A probe fixing device of a magnetic particle flaw detector

Abstract

The utility model relates to magnetic particle flaw detector technical field especially is a kind of probe fixing device of magnetic particle flaw detector, including flaw detection platform, the top of flaw detection platform is fixedly connected with vertical rod, the top of vertical rod is fixedly connected with top frame, the front and rear ends of top frame are all fixedly connected with limiting guide rail, the inside rotation of limiting guide rail is connected with positive and negative toothed lead screw, in the utility model, by setting up vertical rod, top frame, limiting guide rail, left traction sliding block, rear protruding block, limiting branch, flaw detection probe body, positive and negative toothed lead screw, right traction sliding block, side clamping plate and driving motor, will be convenient the probe fixing device of this magnetic particle flaw detector can be in the process of flaw detection operation, utilize overhead screw drive structure, to cooperate flaw detection probe body smoothly realize movement and self-locking fixation, avoid too much magnetic suspension liquid to remain on screw drive assembly, increase the resistance of probe movement, ensure that probe moves smoothly and carries out self-locking fixation operation.

Description

Technical Field

[0001] This utility model relates to the field of magnetic particle flaw detector technology, specifically to a probe fixing device for a magnetic particle flaw detector. Background Technology

[0002] When manufacturing and processing metal workpieces such as bearings, magnetic particle flaw detectors are non-destructive testing equipment specifically designed to detect surface and subsurface defects in metal structures. Furthermore, the mobility of the probe during operation allows operators to adjust the position and angle of the probe as needed to obtain the best flaw detection results and ensure the accuracy and reliability of the flaw detection results.

[0003] Currently, the probes of existing magnetic particle flaw detectors are mainly moved and self-locked by a lead screw drive assembly installed below the probe. However, considering that the equipment needs to spray magnetic suspending liquid or ferromagnetic powder onto the workpiece from top to bottom during actual operation, the lower placement of the lead screw drive assembly can easily lead to excessive magnetic suspending liquid or ferromagnetic powder residue on the lead screw drive assembly. This may increase the resistance to probe movement, affecting the smooth movement of the probe and the subsequent self-locking operation of the equipment, and is also not conducive to the normal operation of the entire inspection work. Therefore, to address the above problems, a probe fixing device for a magnetic particle flaw detector is proposed. Utility Model Content

[0004] The purpose of this utility model is to provide a probe fixing device for a magnetic particle flaw detector, so as to solve the problem mentioned in the background art that the probe of the existing magnetic particle flaw detector may not move smoothly during use, and it is inconvenient for the equipment to perform self-locking fixing operations later.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A probe fixing device for a magnetic particle flaw detector includes a flaw detection platform. A vertical rod is fixedly connected to the top of the flaw detection platform, and a top frame is fixedly connected to the top of the vertical rod. Both ends of the top frame are fixedly connected to limiting guide rails. A positive and negative threaded rod is rotatably connected inside the limiting guide rails. A left traction slider is threaded to the left side of the positive and negative threaded rods, and a right traction slider is threaded to the right side of the positive and negative threaded rods. A limiting support rod is fixedly connected to the bottom of both the right and left traction sliders. A flaw detection probe body is fixedly connected to the bottom end of the limiting support rod. A rear protrusion is fixedly connected to one end of both the right and left traction sliders facing the interior depth of the limiting guide rails. Side clamping plates are fixedly connected to both the left and right ends of the limiting guide rails. A drive motor is fixedly connected to one side of the side clamping plate located on the left side of the limiting guide rails.

[0007] Preferably, every two of the vertical rods are grouped into two groups. On the opposite sides of the left and right vertical rods, fixed bases fixedly installed on the flaw detection platform are adjacent. On the opposite sides of the two fixed bases, rotary heads are rotatably connected. In the middle position inside the rotary head, an electric push rod is fixedly installed, and the movable end of the electric push rod is fixedly connected with a fixed chuck.

[0008] Preferably, a square groove structure is provided in the middle position of the top frame's top end surface, and the top frame has a "return" - shaped structure.

[0009] Preferably, the top frame and the rear convex blocks are slidably connected, and there are two groups of rear convex blocks in total, front and back.

[0010] Preferably, the output end of the drive motor passes through the side clamping plate and is fixedly connected to one side end of the left - right threaded rod. The flaw detection probe body is arranged between the left and right groups of vertical rods, and the left traction slider and the right traction slider are respectively arranged inside the limiting guide rail.

[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0012] In the present utility model, through the setting of the vertical rods, top frame, limiting guide rail, left traction slider, rear convex blocks, limiting support rods, flaw detection probe body, left - right threaded rod, right traction slider, side clamping plate, and drive motor, it is convenient for the probe fixing device of this magnetic particle flaw detector to use two movable flaw detection probe bodies to perform flaw detection operations on workpieces such as bearings. Under the connection and limitation of the flaw detection platform, an overhead type screw rod transmission structure composed of vertical rods, top frame, limiting guide rail, left traction slider, rear convex blocks, limiting support rods, flaw detection probe body, left - right threaded rod, right traction slider, side clamping plate, and drive motor is utilized to smoothly move and self - lock and fix in cooperation with the flaw detection probe body. Different from the arrangement of the transmission components in the prior art on the待测工件 (it should be "workpieces to be measured"), the setting of the overhead type screw rod transmission structure can directly prevent the magnetic suspension liquid from splashing onto the screw rod components and also prevent too much magnetic suspension liquid from remaining on the screw rod transmission components, increasing the resistance of the probe movement, and ensuring the smooth movement of the probe and the subsequent normal self - locking and fixing operation of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the present utility model;

[0014] Figure 2 It is a schematic diagram of the top frame structure of the present utility model;

[0015] Figure 3 It is a schematic diagram of the internal sectional structure of the limiting guide rail of the present utility model.

[0016] In the figure: 1. Flaw detection platform; 2. Vertical rod; 3. Top frame; 4. Limiting guide rail; 5. Left traction slider; 6. Rear convex block; 7. Limiting support rod; 8. Flaw detection probe body; 9. Positive and reverse thread screw rod; 10. Right traction slider; 11. Side clamping plate; 12. Driving motor; 13. Fixed base; 14. Rotating head; 15. Electric push rod; 16. Fixed chuck. Specific implementation mode

[0017] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

[0018] Please refer to Figure 1-3 , the present invention provides a technical solution:

[0019] A probe fixing device for a magnetic particle flaw detector, including a flaw detection platform 1, a vertical rod 2 is fixedly connected to the top end of the flaw detection platform 1, a top frame 3 is fixedly connected to the top end of the vertical rod 2, limiting guide rails 4 are fixedly connected to both the front and rear ends of the top frame 3, a positive and reverse thread screw rod 9 is rotatably connected inside the limiting guide rail 4, a left traction slider 5 is threadedly connected to the left side of the positive and reverse thread screw rod 9, a right traction slider 10 is threadedly connected to the right side of the positive and reverse thread screw rod 9, limiting support rods 7 are fixedly connected to the bottoms of the right traction slider 10 and the left traction slider 5, a flaw detection probe body 8 is fixedly connected to the bottom end of the limiting support rod 7, rear convex blocks 6 are fixedly connected to one ends of the right traction slider 10 and the left traction slider 5 facing the deep inside of the limiting guide rail 4, side clamping plates 11 are fixedly connected to both the left and right ends of the limiting guide rail 4, and a driving motor 12 is fixedly connected to one side of the side clamping plate 11 located on the left side of the limiting guide rail 4.

[0020] As Figure 1 and Figure 2 shown, there are two groups of two vertical rods 2 each, and fixed bases 13 fixedly installed on the flaw detection platform 1 are adjacent to the opposite sides of the left and right two vertical rods 2. Rotating heads 14 are rotatably connected to the opposite sides of the two fixed bases 13. An electric push rod 15 is fixedly installed at the middle position inside the rotating head 14. A fixed chuck 16 is fixedly connected to the movable end of the electric push rod 15. Before using the device, the device can fix the workpiece to be tested through the two fixed chucks 16; a square groove structure is provided at the middle position of the top end surface of the top frame 3, and the outer shape of the top frame 3 is a "return" - shaped structure. The setting of the reserved square groove structure on the top end surface of the top frame 3 is conducive to the penetration of the magnetic suspension liquid spray pipe to perform liquid spraying treatment on the workpiece to be tested.

[0021] As Figure 1 , Figure 2 and Figure 3 As shown, the top frame 3 and the rear protrusion 6 are slidably connected. There are two sets of rear protrusions 6. When the left traction slider 5 and the right traction slider 10 move in the same or opposite direction along the interior of the limiting guide rail 4, the sliding connection between the top frame 3 and the rear protrusion 6 mainly plays a guiding and auxiliary limiting role. The output end of the drive motor 12 passes through the side plate 11 and is fixedly connected to one side of the positive and negative threaded rod 9. The flaw detection probe body 8 is set between the left and right sets of uprights 2. The left traction slider 5 and the right traction slider 10 are respectively set inside the limiting guide rail 4. When the screw assembly is running, the two drive motors 12 at the front and rear are mainly used to provide driving force.

[0022] Workflow: The electrical energy required for the equipment to start and run in this utility model comes from an external power source. During use, the rotating head 14 is mainly driven by a rotating motor installed inside the fixed base 13. Before flaw detection of metal workpieces such as bearings, after ensuring that the two flaw detection probe bodies 8 move to their furthest positions in opposite directions, the workpiece to be inspected is placed on the V-shaped clamps on the two fixed clamps 16. The bolts are then tightened for secure fixation. After placement, the magnetic levitation liquid spray pipe passes through the pre-reserved square groove in the middle of the top of the top frame 3, spraying the magnetic levitation liquid from top to bottom onto the surface of the workpiece. The rotating motor installed inside the fixed base 13 can achieve low-speed rotation of the workpiece through the electric push rod 15 and the fixed clamps 16. At the same time, the top frame 3, the limiting guide rail 4, and the side clamps... Under the connection limitation of 11, the start drive motor 12 drives the positive and negative threaded screw 9 to rotate. The left traction slider 5 and the right traction slider 10 will move in the same direction along the interior of the limited guide rail 4, carrying the rear protrusion 6 and the flaw detection probe body 8. This facilitates the flaw detection probe body 8 in the power-on state to perform flaw detection on the workpiece surface. During the entire flaw detection process, since the two flaw detection probe bodies 8 mainly cooperate with the screw assembly set above the flaw detection platform 1, after the entire detection work is completed, the equipment can use the self-locking function of the screw assembly to lock the position of the flaw detection probe body 8 after the movement detection work is completed. In addition, the screw assembly is supported by the upright 2 and the top frame 3 and is set to be suspended upwards, which can also prevent magnetic levitation liquid from splashing onto the screw assembly, affecting the smooth movement of the probe and the subsequent normal self-locking and fixing operation of the equipment.

[0023] 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 probe fixing device for a magnetic particle flaw detector, comprising a flaw detection platform (1), characterized in that: At the top of the flaw detection platform (1), there is a vertical rod (2) fixedly connected. At the top of the vertical rod (2), there is a top frame (3) fixedly connected. At both the front and rear ends of the top frame (3), there are limiting guide rails (4) fixedly connected. Inside the limiting guide rail (4), there is a left - right thread screw rod (9) rotatably connected. On the left side of the left - right thread screw rod (9), there is a left traction slider (5) thread - connected. On the right side of the left - right thread screw rod (9), there is a right traction slider (10) thread - connected. At the bottom of both the right traction slider (10) and the left traction slider (5), there are limiting support rods (7) fixedly connected. At the bottom end of the limiting support rod (7), there is a flaw detection probe body (8) fixedly connected. At one end of the right traction slider (10) and the left traction slider (5) facing the deep inside of the limiting guide rail (4), there are rear convex blocks (6) fixedly connected. At both the left and right ends of the limiting guide rail (4), there are side clamping plates (11) fixedly connected. On one side of the side clamping plate (11) located on the left side of the limiting guide rail (4), there is a driving motor (12) fixedly connected.

2. The probe fixing device for a magnetic particle flaw detector according to claim 1, characterized in that: Every 2 of the vertical rods (2) form a group, and there are two groups in total. On the opposite sides of the left and right vertical rods (2), there are fixed bases (13) fixedly installed on the flaw detection platform (1) adjacent to each other. On the opposite sides of the two fixed bases (13), there are rotary heads ( 3. The probe fixing device for a magnetic particle flaw detector according to claim 1, characterized in that: ​ 4. The probe fixing device for a magnetic particle flaw detector according to claim 1, characterized in that: ​ 5. The probe fixing device for a magnetic particle flaw detector according to claim 1, characterized in that: ​

Images