Double-electrode clamping device of magnetic particle flaw detector

Abstract

The utility model relates to the technical field of magnetic particle inspection equipment, in particular to a double-electrode clamping device of a magnetic particle inspection machine, which comprises a machine body, chambers are mounted at the top of the machine body in a mirror image distribution manner, a cylinder I and a cylinder II are respectively and fixedly mounted on one side of each chamber, and a long electrode disc is fixedly mounted at the output end of the cylinder I; a long electrode disc is fixedly installed at the output end of the first air cylinder, a short electrode disc is fixedly installed at the output end of the second air cylinder, fan-shaped notches are formed in the outer portions of the long electrode disc and the short electrode disc, two brackets are rotatably installed in the fan-shaped notches, the two brackets are combined to form a V-shaped frame, and an adjusting piece is arranged on one side of each bracket. The two sets of long electrode discs are used for clamping, a workpiece is transversely clamped, after magnetic suspension liquid is sprayed outside after clamping, the two sets of short electrode discs are used for longitudinally clamping the workpiece, longitudinal and transverse clamping is achieved, when longitudinal and transverse clamping is conducted, the angle of the V-shaped frame is changed through the adjusting piece, and a proper V-shaped frame included angle can be selected according to different workpiece sizes.

Description

Technical Field

[0001] The utility model relates to the technical field of magnetic particle flaw detection equipment, in particular to a double-electrode clamping device for a magnetic particle flaw detection machine. Background Art

[0002] The dual-electrode magnetic particle detector uses a magnetic suspension to spray onto the workpiece. The two electrodes inside the coil then generate an alternating magnetic field, which interacts with the magnetic powder to guide the magnetic powder to gather near the defect. Under appropriate lighting conditions, the defect location and shape are revealed. The design and spacing of the electrodes can be adjusted to suit different workpiece shapes and materials.

[0003] In the prior art, for example, the patent with the publication number of utility model CN220983190U discloses a special clamping device for a magnetic particle flaw detector, comprising a machine base and a fixed frame, wherein a fixed frame is fixed to the top of the machine base, a fixed seat is fixed to one side of the bottom of the fixed frame, a first box body is fixed to the top of the fixed seat, an electric control box is provided at the top of the first box body, a rotating seat is provided on one side inside the first box body, one end of the rotating seat extends to the outside of the first box body and is fixed to a first disc, an adjustment structure is provided on one side of the fixed seat inside the fixed frame, and a fixing structure is provided on one side of the first disc and the rotating structure.

[0004] The above structure increases the friction between the pressure plate and the workpiece through a fixed structure. However, workpieces of different sizes need to be clamped inside the dual-electrode magnetic particle inspection machine, and the workpiece cannot be clamped and magnetized longitudinally and transversely, which limits its scope of application. Utility Model Content

[0005] In view of this, the purpose of the present invention is to propose a dual-electrode clamping device for a magnetic particle detector to solve the problem that workpieces of different sizes need to be clamped inside the dual-electrode magnetic particle detector, the workpieces cannot be clamped and magnetized longitudinally and transversely, and the scope of application is limited.

[0006] Based on the above purpose, the utility model provides a double-electrode clamping device for a magnetic particle flaw detector, comprising a body, a chamber installed on the top of the body in a mirror-image distribution, a cylinder one and a cylinder two fixedly installed on one side of the chamber, a long electrode disk fixedly installed on the output end of the cylinder one, a short electrode disk fixedly installed on the output end of the cylinder two, the long electrode disk and the short electrode disk both pass through the interior of the chamber, a fan-shaped notch is provided on the outside of the long electrode disk and the short electrode disk, two sets of brackets are rotatably installed inside the fan-shaped notch, the two sets of brackets are combined to form a V-shaped frame, and an adjustment is provided on one side of the bracket. Parts; the adjusting part includes a cavity opened inside the long electrode disk and the short electrode disk, a rotating rod is rotatably installed inside the cavity, a sliding sleeve is sleeved on the outside of the rotating rod, a shift rod is fixedly installed on one side of the sliding sleeve, one end of the shift rod passes through one side of the fan-shaped slot, and the end of the shift rod abuts against the bracket; a waist-shaped groove is opened on one side of the long electrode disk and the short electrode disk, and two groups of long rods are rotatably installed on one side of the long electrode disk and the short electrode disk, the ends of the two adjacent groups of long rods are hinged to each other, and a telescopic sleeve is connected between the two groups of long rods, the other end of the long rod is connected to the sliding sleeve, and the sliding sleeve is slidably installed in the waist-shaped groove.

[0007] Preferably, arc grooves are formed at equal intervals on the outside of the rotating rod, and elastic blocks corresponding to the arc grooves are provided inside the sliding sleeve.

[0008] Preferably, a through pipe is fixedly installed inside the cavity, the top end of the through pipe is fixedly connected to the fan-shaped notch, the bottom end of the through pipe extends to the outside of the long electrode disk and the short electrode disk, and a pipe valve is fixedly installed at the end of the through pipe.

[0009] Preferably, the angle at which the fan-shaped notch is opened is greater than 90°, and a reserved opening is opened at the bottom end of the fan-shaped notch, and the reserved opening is communicated with the fan-shaped notch.

[0010] Preferably, a slot is provided on one side of the bracket, and a spring is connected to the inside of the slot, one end of the spring is connected to the inside of the slot, and the other end of the spring is connected to the inner wall of the fan-shaped slot.

[0011] Preferably, one side of the long electrode disk and the short electrode disk is provided with an angle line corresponding to the long rod, and the long rod and the bracket are arranged parallel to each other.

[0012] The beneficial effects of the present invention are as follows: the workpiece is clamped transversely by two groups of long electrode disks, and after clamping, magnetic suspension liquid is sprayed externally, and then the workpiece is clamped longitudinally by two groups of short electrode disks. At the same time, the bottom bracket is made to contact the workpiece inside the fan-shaped notch between adjacent long electrode disks and short electrode disks, thereby realizing the operation mode of longitudinal and transverse clamping and magnetization. When performing longitudinal and transverse clamping, it is necessary to adjust the angle of the V-frame formed by the bracket combination, and the two groups of long rods are driven to rotate by moving the telescopic sleeve, and the long rod drives the sliding sleeve to move outside the rotating rod. The lever on one side of the sliding sleeve pushes the bracket to move to change the angle of the V-frame, thereby realizing the longitudinal and transverse clamping mode as a whole and being able to select the appropriate V-frame angle according to different workpiece sizes. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the technical solutions in the present invention or the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only for the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0014] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the overall structure of the utility model from above;

[0016] Figure 3 This is a schematic structural diagram of the clamping member of the utility model;

[0017] Figure 4 This is a schematic diagram of the internal structure of the clamping member of the present utility model.

[0018] The markings in the figure are: 1. Body; 3. Chamber; 4. Cylinder 1; 5. Cylinder 2; 6. Long electrode disk; 7. Short electrode disk; 8. Fan-shaped notch; 9. Adjustment part; 10. Bracket; 11. Cavity; 12. Through pipe; 13. Rotating rod; 14. Sliding sleeve; 15. Arc groove; 16. Elastic block; 17. Push rod; 18. Waist-shaped groove; 19. Long rod; 20. Telescopic sleeve; 21. Slot; 22. Spring; 23. Pipe valve. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with specific embodiments.

[0020] like Figure 1 、 Figure 2 、 Figure 3 and Figure 4As shown, a double-electrode clamping device for a magnetic particle flaw detector includes a body 1, a chamber 3 is installed on the top of the body 1 in a mirror-image distribution, a cylinder 1 4 and a cylinder 2 5 are fixedly installed on one side of the chamber 3, a long electrode disk 6 is fixedly installed on the output end of the cylinder 1 4, and a short electrode disk 7 is fixedly installed on the output end of the cylinder 2 5. The long electrode disk 6 and the short electrode disk 7 both pass through the interior of the chamber 3, and a fan-shaped notch 8 is opened on the outside of the long electrode disk 6 and the short electrode disk 7. Two sets of brackets 10 are rotatably installed inside the fan-shaped notch 8. The two sets of brackets 10 are combined to form a V-shaped frame, and an adjusting member 9 is provided on one side of the bracket 10; the adjusting member 9 includes a long electrode disk 6 and a short electrode disk 7. A cavity 11 is opened inside the disk 7, and a rotating rod 13 is rotatably installed inside the cavity 11. A sliding sleeve 14 is sleeved on the outside of the rotating rod 13, and a shift rod 17 is fixedly installed on one side of the sliding sleeve 14. One end of the shift rod 17 passes through one side of the fan-shaped slot 8, and the end of the shift rod 17 abuts against the bracket 10; a waist-shaped groove 18 is opened on one side of the long electrode disk 6 and the short electrode disk 7, and two groups of long rods 19 are rotatably installed on one side of the long electrode disk 6 and the short electrode disk 7. The ends of the two adjacent groups of long rods 19 are hinged to each other, and a telescopic sleeve 20 is connected between the two groups of long rods 19. The other end of the long rod 19 is connected to the sliding sleeve 14, and the sliding sleeve 14 is slidably installed in the waist-shaped groove 18.

[0021] In this embodiment, the workpiece is placed horizontally inside the fan-shaped notch 8 between adjacent long electrode disks 6 so that the bottom brackets 10 collide and the workpiece is clamped by the two groups of long electrode disks 6. After clamping, the magnetic suspension liquid is sprayed on the outside, and then the workpiece is placed longitudinally inside the fan-shaped notch 8 between adjacent short electrode disks 7 so that the bottom brackets 10 collide and the workpiece is clamped by the two groups of short electrode disks 7, thereby realizing the operation mode of longitudinal and transverse clamping and magnetization. When the sizes of the workpieces to be inspected are different, it is necessary to adjust the angle of the V-frame formed by the combination of the brackets 10 when performing longitudinal and transverse clamping. The telescopic sleeve 20 is driven to rotate the two groups of long rods 19. The long rod 19 rotates at its own end and drives the sliding sleeve 14 to move outside the rotating rod 13. The lever 17 on one side of the sliding sleeve 14 pushes the bracket 10 to move, thereby changing the angle of the V-frame. While realizing the overall longitudinal and transverse clamping mode, the appropriate V-frame angle can be selected according to different workpiece sizes to provide effective clamping force and stability.

[0022] As an implementation method, Figure 3 and Figure 4 As shown, arc grooves 15 are equidistantly formed on the outside of the rotating rod 13 , and elastic blocks 16 corresponding to the arc grooves 15 are provided inside the sliding sleeve 14 .

[0023] In this embodiment, after the V-shaped frame angle formed between two adjacent groups of brackets 10 is determined, the elastic block 16 in the sliding sleeve 14 is clamped into the arc groove 15 in the rotating rod 13 for limiting, so as to prevent the V-shaped frame from shaking too much and affecting the effect of spraying the magnetic suspension liquid.

[0024] As an implementation method, Figure 4 As shown, a through pipe 12 is fixedly installed inside the cavity 11, the top end of the through pipe 12 is fixedly connected to the fan-shaped slot 8, the bottom end of the through pipe 12 extends to the outside of the long electrode disk 6 and the short electrode disk 7, and a pipe valve 23 is fixedly installed at the end of the through pipe 12.

[0025] The angle of the fan-shaped notch 8 is greater than 90°, and a reserved opening is provided at the bottom end of the fan-shaped notch 8 , which is communicated with the fan-shaped notch 8 .

[0026] In this embodiment, before spraying the magnetic suspension liquid, the through pipe 12 is connected to the outside and the pipe valve 23 is opened. Since the two groups of brackets 10 can rotate between the fan-shaped slots 8, the magnetic suspension liquid flows into the through pipe 12 through the bottom end of the fan-shaped slots 8 and is collected.

[0027] As an implementation method, Figure 3 and Figure 4 As shown, a slot 21 is provided on one side of the bracket 10 , and a spring 22 is connected to the inside of the slot 21 . One end of the spring 22 is connected to the inside of the slot 21 , and the other end of the spring 22 is connected to the inner wall of the fan-shaped notch 8 .

[0028] In this embodiment, when the adjusting member 9 adjusts the angle between two adjacent groups of brackets 10, different workpieces can be clamped between the brackets 10 and between the brackets 10 and the fan-shaped slots 8, thereby meeting the purpose of clamping different workpieces at one time.

[0029] As an implementation method, Figure 3 As shown, one side of the long electrode disk 6 and the short electrode disk 7 is provided with an angle line corresponding to the long rod 19 , and the long rod 19 and the bracket 10 are arranged parallel to each other.

[0030] In this embodiment, since the long rod 19 is parallel to the bracket 10, the angle of the long rod 19 changes when the telescopic sleeve 20 is extended or retracted. The angle line is used to observe the V-shaped frame angle formed between two adjacent groups of brackets 10. The appropriate angle is selected according to different workpieces to achieve a better balance and provide effective clamping force and stability.

[0031] Working principle: When in use, the long electrode disk 6 is extended by the cylinder 1 4, and the workpiece is placed horizontally inside the fan-shaped notch 8 between adjacent long electrode disks 6, so that the bottom bracket 10 is in conflict, and it is clamped by two groups of long electrode disks 6. After clamping, the magnetic suspension liquid is sprayed externally, and the short electrode disk 7 is extended by the cylinder 2 5. Then the workpiece is placed longitudinally inside the fan-shaped notch 8 between adjacent short electrode disks 7, so that the bottom bracket 10 is in conflict, and it is clamped by two groups of short electrode disks 7, thereby realizing the longitudinal and transverse clamping and magnetization operation mode; when the sizes of the workpieces to be inspected are different, When performing longitudinal and transverse clamping, it is necessary to adjust the angle of the V-frame formed by the combination of the brackets 10. The two sets of long rods 19 are driven to rotate by moving the telescopic sleeve 20. The long rods 19 rotate at their own ends. The long rods 19 drive the sliding sleeve 14 to move outside the rotating rod 13. The lever 17 on one side of the sliding sleeve 14 pushes the bracket 10 to move, thereby changing the angle of the V-frame. According to the different sizes of workpieces, the appropriate V-frame angle is selected. A small angle makes the clamping force more concentrated at the high point of the workpiece contact surface, increasing the friction at the clamping position. A large angle achieves a better balance and provides effective clamping force and stability.

[0032] Those skilled in the art should understand that the discussion of any of the above embodiments is merely illustrative and is not intended to imply that the scope of the present invention (including the claims) is limited to these examples. Within the scope of the present invention, the technical features in the above embodiments or different embodiments may be combined, the steps may be implemented in any order, and there are many other variations of the different aspects of the present invention as described above, which are not provided in detail for the sake of simplicity.

[0033] The present invention is intended to cover all such substitutions, modifications and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the scope of protection of the present invention.

Claims

1. A double-electrode clamping device for a magnetic particle flaw detector, comprising a body (1), wherein a chamber (3) is mounted on the top of the body (1) in a mirror-image distribution, a cylinder 1 (4) and a cylinder 2 (5) are fixedly mounted on one side of the chamber (3), a long electrode disk (6) is fixedly mounted on the output end of the cylinder 1 (4), and a short electrode disk (7) is fixedly mounted on the output end of the cylinder 2 (5), and both the long electrode disk (6) and the short electrode disk (7) pass through the interior of the chamber (3), characterized in that: The long electrode disk (6) and the short electrode disk (7) are provided with fan-shaped notches (8) on the outside, and two groups of brackets (10) are rotatably mounted inside the fan-shaped notches (8). The two groups of brackets (10) are combined to form a V-shaped frame, and an adjustment member (9) is provided on one side of the bracket (10); the adjustment member (9) includes a cavity (11) provided inside the long electrode disk (6) and the short electrode disk (7), and a rotating rod (13) is rotatably mounted inside the cavity (11). The rotating rod (13) is sleeved with a sliding sleeve (14) on the outside, and a shifting rod (13) is fixedly mounted on one side of the sliding sleeve (14). 7), one end of the shifting rod (17) passes through one side of the fan-shaped notch (8), and the end of the shifting rod (17) abuts against the bracket (10); a waist-shaped groove (18) is provided on one side of the long electrode disk (6) and the short electrode disk (7), and two groups of long rods (19) are rotatably installed on one side of the long electrode disk (6) and the short electrode disk (7), the ends of the two adjacent groups of long rods (19) are hinged to each other, and a telescopic sleeve (20) is connected between the two groups of long rods (19), and the other end of the long rod (19) is connected to the sliding sleeve (14), and the sliding sleeve (14) is slidably installed in the waist-shaped groove (18).

2. A double-electrode clamping device for a magnetic particle detector according to claim 1, characterized in that: Arc grooves (15) are equidistantly formed on the outside of the rotating rod (13), and elastic blocks (16) corresponding to the arc grooves (15) are provided inside the sliding sleeve (14).

3. The double-electrode clamping device for magnetic particle inspection according to claim 1, characterized in that: A through pipe (12) is fixedly installed inside the cavity (11), the top end of the through pipe (12) is fixedly connected to the fan-shaped notch (8), the bottom end of the through pipe (12) extends to the outside of the long electrode disk (6) and the short electrode disk (7), and a pipe valve (23) is fixedly installed at the end of the through pipe (12).

4. A double-electrode clamping device for a magnetic particle detector according to claim 1, characterized in that: The angle of the fan-shaped notch (8) is greater than 90°, and a reserved opening is provided at the bottom end of the fan-shaped notch (8), and the reserved opening is communicated with the fan-shaped notch (8).

5. The double-electrode clamping device for magnetic particle inspection machine according to claim 1, characterized in that: A slot (21) is provided on one side of the bracket (10), and a spring (22) is connected to the inside of the slot (21). One end of the spring (22) is connected to the inside of the slot (21), and the other end of the spring (22) is connected to the inner wall of the fan-shaped notch (8).

6. The double-electrode clamping device for magnetic particle inspection according to claim 1, characterized in that: An angle line corresponding to the long rod (19) is provided on one side of the long electrode disk (6) and the short electrode disk (7), and the long rod (19) and the bracket (10) are arranged parallel to each other.

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