Graphite electrode defect detection device

Abstract

The invention relates to the technical field of graphite electrodes, in particular to a graphite electrode defect detection device which comprises a box body, a clamping mechanism is mounted in the box body, a box cover is mounted at the upper end of the box body, a pair of vertical rods is symmetrically mounted on the rear side of the upper end of the box cover, and a top plate is mounted at the top ends of the pair of vertical rods. A horizontal moving mechanism is installed at the lower end of the top plate, a knocking assembly is connected to the horizontal moving mechanism in a driving mode, a protruding plate is arranged on the rear side of the box cover, a pushing assembly is installed at the upper end of the protruding plate, and a plurality of detection assemblies capable of being horizontally adjusted are installed on the pushing assembly. The graphite electrode defect detection device has the advantages that the horizontal position of the knocking assembly is changed through the horizontal moving mechanism, the knocking position of the graphite electrode is adjusted, the horizontal position of the detection assemblies installed at the front end of the fourth sliding block can be adjusted, the sound wave collection position of the graphite electrode is adjusted, and therefore the defect detection quality of the graphite electrode is improved.

Description

Technical Field

[0001] The invention relates to the technical field of graphite electrodes, and in particular to a graphite electrode defect detection device. Background Art

[0002] Graphite electrode refers to a high temperature resistant graphite conductive material made of petroleum coke and asphalt coke as aggregates and coal tar as binder, through raw material calcination, crushing and grinding, batching, kneading, molding, roasting, impregnation, graphitization and mechanical processing. It is called artificial graphite electrode (abbreviated as graphite electrode), to distinguish it from natural graphite electrode made of natural graphite as raw material. Graphite electrode will inevitably have voids, cracks and other conditions in the production process, which will directly affect the use of graphite electrode. Therefore, defect detection of graphite electrode is essential.

[0003] China Publication No.: CN111965256A discloses a graphite electrode defect detection device and method, including a detection table, the right side of the detection table is fixedly connected to a chassis, the top of the chassis is fixedly installed with a control system, the inside of the chassis is fixedly installed with a servo motor, and the output shaft of the servo motor is fixedly connected to a rotating shaft. The invention clamps and fixes the graphite electrode through a pair of clamping plates, and the air pump ventilates the silencer housing. The air pressure drives the sealing piston to drive the hammer head to move downward through the piston rod to knock the graphite electrode. The sound wave signal generated by the hammering is collected by the pickup and transmitted to the control system for processing. The diagnosis of the internal defects of the graphite electrode is completed by analyzing the characteristics of the sound wave signal. However, when the device of the invention is used, the knocking position of the graphite electrode is fixed, and the knocking position cannot be changed according to actual needs. In addition, the position of the pickup is fixed, and only the two ends of the graphite electrode are picked up for detection. The detection of the graphite electrode is not thorough, and detection errors are prone to occur. Summary of the invention

[0004] 1. Solution Technology

[0005] The technical problem to be solved by the present invention is that the existing graphite electrode defect detection device has a fixed striking position for the graphite electrode and a fixed position of the pickup, so the detection of the graphite electrode is not thorough and is prone to detection errors.

[0006] 2. Technical Solution

[0007] In order to solve the above technical problems, the technical solution provided by the present invention is: a graphite electrode defect detection device, comprising a box body, a clamping mechanism is installed in the box body, a box cover is installed on the upper end of the box body, a pair of vertical rods are symmetrically installed on the rear side of the upper end of the box cover, a top plate is installed on the top of the pair of vertical rods, a horizontal moving mechanism is installed at the lower end of the top plate, a knocking component is driven and connected to the horizontal moving mechanism, a protruding plate is provided on the rear side of the box cover, a pushing component is installed on the upper end of the protruding plate, and a number of horizontally adjustable detection components are installed on the pushing component.

[0008] Furthermore, the clamping mechanism includes a threaded rod connected by bearings between two side walls of the box body, a motor driven by the threaded rod is installed on the side wall of the box body, a pair of sliders threadedly connected to the threaded rod are symmetrically arranged in the box body, and the threads on the pair of sliders are in opposite directions, a pair of guide rods slidably connected to the sliders are symmetrically fixed between the two side walls of the box body, a clamping plate passing through the box cover is fixed to the upper end of the slider, and a rubber pad is fixed to the inner side of the clamping plate.

[0009] Furthermore, a pair of rectangular through holes through which the clamping plates pass and are slidably connected are provided in the center of the box cover, a base through which threaded rods and guide rods pass is provided in the center of the box body, and an arc-shaped base passing through the rectangular through holes is provided at the upper end of the base.

[0010] Furthermore, the horizontal moving mechanism includes a box body 2 installed at the lower end of the top plate and with an open front end, a threaded rod 2 is connected to the bearings between the two side walls of the box body 2, a motor 2 driven by the threaded rod 2 is installed on one side wall of the box body 2, a slider 2 threadedly connected to the threaded rod 2 is slidably connected in the box body 2, and the knocking assembly is installed at the front end of the slider 2.

[0011] Furthermore, the knocking assembly includes a support plate installed at the front end of the slider 2, a hydraulic cylinder is installed on the upper end of the support plate, a buffer assembly is connected to the lower end of the hydraulic cylinder through the support plate, and a knocking head is connected to the lower end of the buffer assembly.

[0012] Furthermore, the buffer assembly includes a shell installed at the output end of the lower end of the hydraulic cylinder, a shell cover is installed at the lower end of the shell, a slider three is slidably connected in the shell, a buffer spring is provided between the top wall of the shell and the slider three, and a connecting rod passing through the shell cover is provided at the bottom end of the slider three, and the bottom end of the connecting rod is connected to the knocking head.

[0013] Furthermore, the pushing assembly includes a straight plate installed on the rear side of the upper end of the protruding plate, a hydraulic cylinder 2 is installed at the rear end of the straight plate, the front end output end of the hydraulic cylinder 2 is connected to a box body 3 through the straight plate, the front end of the box body 3 is open and a guide rod 2 is fixed between the two side walls, a plurality of sliders 4 slidably connected to the guide rod 2 are slidably connected in the box body 3, the detection assembly is installed at the front end of the slider 4, and a pair of guide rods 3 passing through the straight plate are symmetrically installed at the rear end of the box body 3.

[0014] Furthermore, the detection component includes a cylinder installed at the front end of the slider four, the front end of the cylinder is set to be open and a pickup is installed inside, and a rubber gasket is fixed to the front end of the cylinder.

[0015] Furthermore, a control panel electrically connected to the clamping mechanism, the horizontal moving mechanism, the pushing component, and the detection component is installed on one side of the front end of the box.

[0016] 3. Beneficial Effects

[0017] The advantages of the present invention compared with the prior art are:

[0018] 1. The horizontal position of the striking component is changed by the horizontal moving mechanism, so that the striking position of the graphite electrode can be adjusted according to actual needs, thereby improving the defect detection quality of the graphite electrode.

[0019] 2. Several detection components are installed at the front end of the slider four, and the slider four can slide horizontally under the guidance of the guide rod two, so as to adjust the horizontal position of several detection components, which is convenient for defect detection of graphite electrodes of different lengths, and is convenient for changing the position on the graphite electrode, adjusting the sound wave collection position of the graphite electrode, and improving the defect detection quality.

[0020] 3. Through the buffer assembly, when the knocking head knocks the graphite electrode, the connecting rod and the slider rise and compress the buffer spring to achieve buffering of the knocking head to prevent the knocking force from being too large and damaging the knocking head or the graphite electrode.

[0021] 4. Push the detection component to contact the graphite electrode through the pushing component, so that the rubber gasket contacts the side wall of the graphite electrode, thereby sealing the cylinder, so that the pickup can more clearly pick up the sound wave signal emitted when the graphite electrode is knocked, thereby improving the detection quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is the overall structural diagram of the present invention.

[0023] Figure 2 It is a structural diagram of the clamping mechanism of the present invention.

[0024] Figure 3 It is a structural diagram of the horizontal moving mechanism and the knocking component of the present invention.

[0025] Figure 4 It is a structural diagram of the buffer component of the present invention.

[0026] Figure 5 It is a structural diagram of the push component of the present invention.

[0027] Figure 6 The present invention Figure 5 A magnified view of the structure in the middle.

[0028] As shown in the figure: 1. Box body; 2. Clamping mechanism; 3. Box cover; 301. Protruding plate; 302. Rectangular through hole; 4. Vertical rod; 5. Top plate; 6. Horizontal moving mechanism; 7. Knocking assembly; 8. Pushing assembly; 9. Detection assembly; 10. Threaded rod; 11. Motor; 12. Slider; 13. Guide rod; 14. Clamping plate; 15. Rubber pad; 16. Base; 1601. Arc base; 17. Box body 2; 18. Threaded rod 2; 19. Motor 2; 20. Slider 2; 21. Support plate; 22. Hydraulic cylinder; 23. Buffer assembly; 24. Knocking head; 25. Shell; 26. Shell cover; 27. Slider 3; 28. Buffer spring; 29. ​​Connecting rod; 30. Straight plate; 31. Hydraulic cylinder 2; 32. Box 3; 3201. Guide rod 3; 33. Guide rod 2; 34. Slider 4; 35. Cylinder; 36. Pickup; 37. Rubber gasket; 38. Control panel. DETAILED DESCRIPTION

[0029] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0030] Embodiment 1

[0031] Combined with Figure 1 A graphite electrode defect detection device comprises a box body 1, a clamping mechanism 2 is installed in the box body 1, a box cover 3 is installed on the upper end of the box body 1, a pair of vertical rods 4 are symmetrically installed on the rear side of the upper end of the box cover 3, a top plate 5 is installed on the top of the pair of vertical rods 4, a horizontal moving mechanism 6 is installed on the lower end of the top plate 5, a knocking component 7 is driven and connected to the horizontal moving mechanism 6, a protruding plate 301 is provided on the rear side of the box cover 3, a pushing component 8 is installed on the upper end of the protruding plate 301, and a plurality of horizontally adjustable detection components 9 are installed on the pushing component 8.

[0032] Combined with Figure 2The clamping mechanism 2 includes a threaded rod 10 connected by bearings between the inner side walls of the box body 1, a motor 11 driven by the threaded rod 10 is installed on the side wall of the box body 1, a pair of sliders 12 threadedly connected to the threaded rod 10 are symmetrically arranged in the box body 1, and the threads on the pair of sliders 12 are in opposite directions, a pair of guide rods 13 slidably connected to the sliders 12 are symmetrically fixed between the inner side walls of the box body 1, a clamping plate 14 passing through the box cover 3 is fixed on the upper end of the slider 12, and a rubber pad 15 is fixed on the inner side of the clamping plate 14.

[0033] In combination with the above structure, the rubber pads 15 fixed inside a pair of clamping plates 14 contact the two ends of the graphite electrode, so that the graphite electrode is clamped stably.

[0034] Combined with Figure 1 A pair of rectangular through holes 302 are provided in the center of the box cover 3, through which the clamping plate 14 passes and is slidably connected. A base 16 is provided in the center of the box body 1, through which the threaded rod 10 and the guide rod 13 pass. An arc-shaped base 1601 is provided at the upper end of the base 16 and passes through the rectangular through hole 302.

[0035] In combination with the above structure, when the clamping mechanism 2 is in use, the graphite electrode is placed on the arc-shaped base 1601, and the threaded rod 10 is driven to rotate by the motor 11, so that a pair of sliders 12 move relative to each other under the action of the guide rod 13, so that a pair of clamping plates 14 clamp the two ends of the graphite electrode, so that the graphite electrode is clamped stably, which is convenient for subsequent defect detection.

[0036] Combined with Figure 3 The horizontal moving mechanism 6 includes a box body 17 with an open front end installed at the lower end of the top plate 5, a threaded rod 18 is connected to the bearings between the two side walls of the box body 17, a motor 19 driven by the threaded rod 18 is installed on one side wall of the box body 17, a slider 20 threadedly connected to the threaded rod 18 is slidably connected in the box body 17, and the knocking component 7 is installed at the front end of the slider 20.

[0037] In combination with the above structure, when the horizontal moving mechanism 6 is used, the motor 19 drives the threaded rod 18 to rotate, so that the slider 20 slides horizontally in the box 17, thereby changing the horizontal position of the knocking component 7, making it easier for the knocking component 7 to knock different positions on the graphite electrode, thereby facilitating defect detection of the graphite electrode.

[0038] Combined with Figure 3 The knocking assembly 7 includes a support plate 21 installed at the front end of the slider 20, a hydraulic cylinder 22 is installed on the upper end of the support plate 21, a buffer assembly 23 is connected to the lower end of the hydraulic cylinder 22 through the support plate 21, and a knocking head 24 is connected to the lower end of the buffer assembly 23.

[0039] In combination with the above structure, when the knocking assembly 7 is in use, the hydraulic cylinder 22 drives the buffer assembly 23 and the knocking head 24 to descend and rise, so that the knocking head 24 knocks the graphite electrode. The buffer assembly 23 buffers the knocking head 24 to prevent excessive knocking force from damaging the knocking head 24 or the graphite electrode.

[0040] Combined with Figure 4 The buffer assembly 23 includes a shell 25 installed at the output end of the lower end of the hydraulic cylinder 22, a shell cover 26 is installed at the lower end of the shell 25, a slider 27 is slidably connected in the shell 25, a buffer spring 28 is provided between the top wall of the shell 25 and the slider 27, and a connecting rod 29 is provided at the bottom end of the slider 27, which passes through the shell cover 26, and the bottom end of the connecting rod 29 is connected to the knocking head 24.

[0041] In combination with the above structure, when the striking head 24 strikes the graphite electrode, the connecting rod 29 and the slider 27 rise and compress the buffer spring 28 to buffer the striking head 24 and prevent the striking force from being too large and damaging the striking head 24 or the graphite electrode.

[0042] Embodiment 2

[0043] Based on the first embodiment, combined with the attached Figure 5 The pushing assembly 8 includes a straight plate 30 installed on the rear side of the upper end of the protruding plate 301, a hydraulic cylinder 2 31 is installed at the rear end of the straight plate 30, and the front end output end of the hydraulic cylinder 2 31 passes through the straight plate 30 and is connected to a box 32, the front end of the box 32 is open and a guide rod 2 33 is fixed between the two side walls, and a plurality of sliders 4 34 slidably connected to the guide rods 2 33 are slidably connected in the box 32, the detection assembly 9 is installed at the front end of the slider 4 34, and a pair of guide rods 3 3201 passing through the straight plate 30 are symmetrically installed at the rear end of the box 3 32.

[0044] In combination with the above structure, when the pushing component 8 is in use, the hydraulic cylinder 2 31 drives the box 3 32 to move forward and backward under the action of the guide rod 3 3201, so that the multiple detection components 9 contact the graphite electrode, which is convenient for collecting the sound wave signal generated by the knocking head 24 knocking the graphite electrode and transmitting it to the control system for processing, and completing the diagnosis of the internal defect of the graphite electrode by analyzing the characteristics of the sound wave signal. The detection component 9 is installed at the front end of the slider 4 34, and the slider 4 34 can slide horizontally under the guidance of the guide rod 2 33, so as to facilitate the adjustment of the horizontal position of the multiple detection components 9, facilitate defect detection of graphite electrodes of different lengths, and facilitate changing the position on the graphite electrode for multiple detections, thereby improving the detection quality.

[0045] Combined with Figure 6The detection component 9 includes a cylinder 35 installed at the front end of a slider 34. The front end of the cylinder 35 is set to be open and a pickup 36 is installed inside. A rubber gasket 37 is fixed to the front end of the cylinder 35.

[0046] In combination with the above structure, the rubber gasket 37 contacts the side wall of the graphite electrode, so that the cylinder 35 is sealed, so that the pickup 36 can more clearly pick up the sound wave signal emitted when the graphite electrode is struck, thereby improving the detection quality.

[0047] Combined with Figure 2 A control panel 38 electrically connected to the clamping mechanism 2, the horizontal moving mechanism 6, the pushing assembly 8, and the detection assembly 9 is installed on one side of the front end of the box body 1. The overall process of the device of the present application is controlled by the control panel 38 to achieve a certain degree of automation and easy use.

[0048] The specific implementation is as follows:

[0049] Place the graphite electrode on the arc-shaped base 1601, start the clamping mechanism 2 through the control panel 38, and clamp the two ends of the graphite electrode through a pair of clamping plates 14 in the clamping mechanism 2, so that the graphite electrode is clamped stably; start the pushing component 8 through the control panel 38, and drive a number of detection components 9 to move forward and contact the graphite electrode through the pushing component 8; start the knocking component 7 through the control panel 38 to knock the graphite electrode, and the generated sound wave signal is collected by the pickup in the detection component 9 and transmitted to the control system for processing, and the diagnosis of the internal defect of the graphite electrode is completed by analyzing the characteristics of the sound wave signal; start the horizontal moving mechanism 6 through the control panel 38, change the horizontal position of the knocking component 7 through the horizontal moving mechanism 6, adjust the knocking position of the graphite electrode, and a number of detection components 9 installed at the front end of the slider 4 34 can adjust the horizontal position, adjust the sound wave collection position of the graphite electrode, thereby improving the defect detection quality of the graphite electrode.

[0050] The present invention and its embodiments are described above, and such description is not restrictive. The drawings show only one embodiment of the present invention, and the actual structure is not limited thereto. In short, if ordinary technicians in the field are inspired by it, without departing from the purpose of the invention, they can design a structure and embodiment similar to the technical solution without creativity, which should belong to the protection scope of the present invention.

Claims

1. A graphite electrode defect detection device, comprising a housing (1), characterized in that: A clamping mechanism (2) is installed in the box body (1); a box cover (3) is installed on the upper end of the box body (1); a pair of vertical rods (4) are symmetrically installed on the rear side of the upper end of the box cover (3); a top plate (5) is installed on the top of the pair of vertical rods (4); a horizontal moving mechanism (6) is installed on the lower end of the top plate (5); a knocking component (7) is connected to the horizontal moving mechanism (6); a protruding plate (301) is provided on the rear side of the box cover (3); a pushing component (8) is installed on the upper end of the protruding plate (301); and a plurality of horizontally adjustable detection components (9) are installed on the pushing component (8).

2. A graphite electrode defect detection device according to claim 1, characterized in that: The clamping mechanism (2) comprises a threaded rod (10) connected by bearings between two side walls inside the box (1); a motor (11) drivingly connected to the threaded rod (10) is installed on the side wall of the box (1); a pair of sliders (12) threadedly connected to the threaded rod (10) are symmetrically arranged inside the box (1); the threads on the pair of sliders (12) are in opposite directions; a pair of guide rods (13) slidably connected to the sliders (12) are symmetrically fixed between the two side walls inside the box (1); a clamping plate (14) passing through the box cover (3) is fixed to the upper end of the slider (12); a rubber pad (15) is fixed inside the clamping plate (14).

3. A graphite electrode defect detection device according to claim 2, characterized in that: A pair of rectangular through holes (302) are provided at the center of the box cover (3) through which the clamping plates (14) pass and are slidably connected; a base (16) is provided at the center of the box body (1) through which the threaded rod (10) and the guide rod (13) pass; and an arc-shaped base (1601) is provided at the upper end of the base (16) through which the rectangular through holes (302) pass.

4. A graphite electrode defect detection device according to claim 1, characterized in that: The horizontal moving mechanism (6) comprises a second box body (17) installed at the lower end of the top plate (5) and having an open front end, a second threaded rod (18) is connected to the bearing between the two side walls of the second box body (17), a second motor (19) drivingly connected to the second threaded rod (18) is installed on one side wall of the second box body (17), a second slider (20) threadedly connected to the second threaded rod (18) is slidably connected in the second box body (17), and the knocking assembly (7) is installed at the front end of the second slider (20).

5. A graphite electrode defect detection device according to claim 4, characterized in that: The knocking assembly (7) comprises a support plate (21) mounted on the front end of the second slide block (20); a hydraulic cylinder (22) is mounted on the upper end of the support plate (21); an output end of the lower end of the hydraulic cylinder (22) passes through the support plate (21) and is connected to a buffer assembly (23); and a knocking head (24) is connected to the lower end of the buffer assembly (23).

6. A graphite electrode defect detection device according to claim 5, characterized in that: The buffer assembly (23) comprises a housing (25) mounted at the output end of the lower end of the hydraulic cylinder (22); a housing cover (26) is mounted at the lower end of the housing (25); a slider (27) is slidably connected in the housing (25); a buffer spring (28) is provided between the top wall of the housing (25) and the slider (27); a connecting rod (29) passing through the housing cover (26) is provided at the bottom end of the slider (27); and the bottom end of the connecting rod (29) is connected to the striking head (24).

7. A graphite electrode defect detection device according to claim 1, characterized in that: The pushing assembly (8) comprises a straight plate (30) mounted on the rear side of the upper end of the protruding plate (301); a hydraulic cylinder 2 (31) is mounted on the rear end of the straight plate (30); a front output end of the hydraulic cylinder 2 (31) passes through the straight plate (30) and is connected to a box body 3 (32); the front end of the box body 3 (32) is open and a guide rod 2 (33) is fixed between the two side walls; a plurality of sliders 4 (34) slidably connected to the guide rods 2 (33) are slidably connected in the box body 3 (32); the detection assembly (9) is mounted on the front end of the slider 4 (34); a pair of guide rods 3 (3201) passing through the straight plate (30) are symmetrically mounted on the rear end of the box body 3 (32).

8. A graphite electrode defect detection device according to claim 7, characterized in that: The detection assembly (9) comprises a cylinder (35) mounted on the front end of a slider (34); the front end of the cylinder (35) is set to be open and a pickup (36) is installed inside; and a rubber gasket (37) is fixed to the front end of the cylinder (35).

9. A graphite electrode defect detection device according to claim 1, characterized in that: A control panel (38) electrically connected to the clamping mechanism (2), the horizontal moving mechanism (6), the pushing component (8), and the detection component (9) is installed on one side of the front end of the box (1).

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