Novel reaming device and method for manufacturing magnetic pole of electromagnetic yoke

Abstract

The invention relates to the technical field of reaming, in particular to a novel electromagnetic yoke magnetic pole manufacturing reaming device and method.The novel electromagnetic yoke magnetic pole manufacturing reaming device comprises a bottom plate, a reaming cutter mechanism is installed above the bottom plate through a multi-axial moving mechanism, base plates are fixedly installed on the two sides of the upper surface of the bottom plate correspondingly, and three lifting bases are fixedly connected to the upper surfaces of the base plates; the three lifting seats on each side form two gaps, a concave block is arranged in the front gap, an adjustable plate is arranged in the rear gap, a lifting plate is connected to the middle of the upper surface of the bottom plate through a lifting mechanism, and the lifting plate is connected with the concave blocks and the adjustable plate through distance adjusting mechanisms. A first damping shaft and a second damping shaft are rotatably mounted on the two sides of the upper surface of the adjustable plate correspondingly, and a first arc-shaped shell is fixedly connected to the outer surface of the first damping shaft, the effect of sealing the joint position is achieved, chippings in a reaming hole can be effectively prevented from entering a rotating gap, and convenience is brought to follow-up cleaning treatment.

Description

Technical Field

[0001] This invention relates to the field of reaming technology, and in particular to a novel electromagnetic yoke pole fabrication device and method for reaming. Background Technology

[0002] The electromagnetic yoke poles of the flaw detector, featuring a concave design and adjustable angle, are an innovative structure designed for the inspection of complex curved surfaces and fillet welds. Their core advantage lies in adapting the concave working surface to convex or other curved workpieces, reducing air magnetic resistance to improve fit and detection sensitivity. Some models also utilize high-quality materials such as DT4C to optimize magnetic field performance. Furthermore, the design incorporates movable joints and electric adjustment switches to achieve flexible adjustment of the pole angle, adapting to fillet welds with angles ranging from 60° to 130°. Some models even allow for precise angle adjustments. Some products also feature adjustable pole spacing and water cooling. Widely used in pressure vessels, shipbuilding, and aerospace for flaw detection of planar, curved, and various weld seams, these products significantly improve inspection adaptability, accuracy, and ease of operation.

[0003] The electromagnetic yoke is a crucial component of a flaw detector. In its production, the reaming process after stacking the electromagnetic yoke is a key step in machining positioning holes for its multi-sheet silicon steel lamination structure. This typically requires CNC cutting tools. Reaming is performed after the silicon steel sheets are stacked as a whole to ensure hole position accuracy and coaxiality of the laminations, thus meeting subsequent assembly requirements. However, during the reaming process, the electromagnetic yoke has rotatable joints with corresponding rotational clearances. Even with CNC cutting tools, debris can easily enter these clearances, causing difficulties for subsequent cleaning. Therefore, a novel reaming device and method for fabricating electromagnetic yoke poles are proposed. Summary of the Invention

[0004] The purpose of this invention is to address the shortcomings of the prior art by proposing a novel electromagnetic yoke pole reaming device.

[0005] To achieve the above objectives, the technical solution adopted by the present invention is as follows: a novel electromagnetic yoke pole making reaming device, comprising a base plate, a reaming tool mechanism mounted on the top of the base plate via a multi-axial moving mechanism, pads fixedly mounted on both sides of the upper surface of the base plate, three support seats fixedly connected to the upper surface of the pads, the three support seats on each side forming two gaps, a concave block provided in the front gap, and an adjustable plate provided in the rear gap, a lifting plate connected to the middle of the upper surface of the base plate via a lifting mechanism, the lifting plate being connected to the concave block and the adjustable plate via an adjusting mechanism, a first damping shaft and a second damping shaft rotatably mounted on both sides of the upper surface of the adjustable plate, a first arc-shaped shell fixedly connected to the outer surface of the first damping shaft, a second arc-shaped shell fixedly connected to the outer surface of the second damping shaft, and a first sealing gasket and a second sealing gasket fixedly embedded on the side of the first arc-shaped shell and the side of the second arc-shaped shell that are close to each other; After the corner of the magnetic yoke is limited by the first damping shaft and the second damping shaft, the first damping shaft and the second damping shaft are rotated respectively, so that the first sealing pad and the second sealing pad cover the rotation gap respectively.

[0006] Preferably, a base platform is fixedly installed on the lower surface of the base plate, and a processing table is fixedly installed at the lower end of the base platform.

[0007] Preferably, the multi-axis moving mechanism includes an X-axis moving stage mounted on the outside of the base via an X-axis servo axis, a Y-axis moving stage mounted on the upper end of the front surface of the X-axis moving stage via a Y-axis servo axis, a Z-axis moving stage mounted on the front surface of the Y-axis moving stage via a Z-axis servo axis, and a reaming tool mechanism fixedly embedded in the front surface of the Z-axis moving stage.

[0008] Preferably, the adjusting mechanism includes guide seats fixedly installed at the front and rear ends of the upper surface of the lifting plate, an adjusting cylinder fixedly embedded in the inner side of the guide seat, a movable plate fixedly installed at the telescopic end of the adjusting cylinder, a first connecting plate and a second connecting plate fixedly connected to the upper ends of the front and rear movable plates, the lower surface of the concave block fixedly installed on the upper surface of the first connecting plate, and the lower surface of the adjustable plate fixedly installed on the upper surface of the second connecting plate.

[0009] Preferably, a sealing plate is fixedly embedded at the upper end of the guide seat, and a guide groove is provided on the inner wall of the guide seat. The front and rear ends of the movable plate are respectively slidably inserted into the inner side of the guide groove.

[0010] Preferably, the lifting mechanism includes a lifting cylinder and a guide cylinder fixedly installed on the upper surface of the base plate. A guide rod is slidably inserted into the upper end of the guide cylinder, and the upper end of the guide rod and the telescopic end of the lifting cylinder are both fixedly installed on the lower surface of the lifting plate.

[0011] Preferably, a support plate is fixedly installed at the rear end of the upper surface of the base plate, and a support platform is fixedly installed at the upper end of the support plate.

[0012] Preferably, the front surface of the lifting platform has a through-hole, a sliding plate slides through the inner side of the through-hole, the front end of the sliding plate is fixedly connected to the rear of the lifting plate, the rear end of the sliding plate is fixedly connected to a rear baffle, the front two sides of the lifting plate are respectively fixedly connected to bending plates, and the side ends of the bending plates are fixedly connected to a front baffle.

[0013] A novel method for fabricating reaming holes using an electromagnetic yoke pole is also proposed, employing the aforementioned reaming device and comprising the following steps: S1. Arrange the magnetic yoke, placing the corner between the first and second damping axes, with concave blocks at both ends for positioning. S2. Rotate the first damping shaft and the second damping shaft respectively, so that the first sealing gasket and the second sealing gasket cover the rotation gap respectively; S3. Reaming is performed using a reaming tool mechanism.

[0014] Compared with the prior art, the present invention has the following beneficial effects: The magnetic yoke of the present invention, after being stacked, is placed on the surface of the support seat and the support platform. The two front ends of the magnetic yoke are respectively clamped inside the concave block, which seals both sides of the rotation gap. The corner of the magnetic yoke is limited by the first damping shaft and the second damping shaft. Before reaming, by rotating the first damping shaft and the second damping shaft respectively, the first sealing pad and the second sealing pad cover the rotation gap respectively, thereby sealing the joint. This can effectively prevent debris from entering the rotation gap during reaming and facilitate subsequent cleaning.

[0015] After the magnetic yoke is positioned, before reaming, the invention controls the retraction of the lifting cylinder to lower the lifting plate. The upper end of the concave block, the first damping shaft, the second damping shaft, the front baffle, and the upper surface of the lifting platform are kept as flush as possible with the upper surface of the magnetic yoke. This effectively avoids interference with the reaming tool head during subsequent reaming and facilitates smooth reaming.

[0016] The front baffle and lifting platform in this invention can guide the rapid arrangement of the magnetic yoke. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of a novel electromagnetic yoke pole fabrication reamer device according to the present invention; Figure 2 This is a schematic diagram of the base plate of a novel electromagnetic yoke pole fabrication hinge hole device according to the present invention. Figure 3 This is a cross-sectional view of the lifting plate of a novel electromagnetic yoke pole making hinge hole device of the present invention. Figure 4This invention provides a novel device for fabricating reaming holes using electromagnetic yoke poles. Figure 3 Enlarged view of point A in the middle; Figure 5 This invention provides a novel device for fabricating reaming holes using electromagnetic yoke poles. Figure 3 Enlarged view at point B in the middle; Figure 6 This is a partial cross-sectional view of the first and second arc-shaped shells of the novel electromagnetic yoke pole fabrication reamer device of the present invention. Figure 7 This is a schematic diagram of the magnetic yoke arrangement in the novel electromagnetic yoke pole fabrication hinge hole device of the present invention; Figure 8 This is a schematic diagram of the magnetic yoke component of a novel electromagnetic yoke pole fabrication and reaming device according to the present invention; Figure 9 This invention provides a novel device for fabricating reaming holes using electromagnetic yoke poles. Figure 8 Enlarged view of point C in the middle.

[0018] The components are as follows: 1. Base plate; 2. Pad plate; 3. Lifting seat; 4. Lifting plate; 5. Guide cylinder; 6. Guide rod; 7. Lifting cylinder; 8. Guide seat; 9. Adjustable cylinder; 10. Guide groove; 11. Moving plate; 12. First connecting plate; 13. Second connecting plate; 14. Sealing plate; 15. Concave block; 16. Adjustable plate; 17. First damping shaft; 18. First arc-shaped shell; 19. First sealing gasket; 20. Second damping shaft; 21. Second arc-shaped shell; 22. Second sealing gasket; 23. Lifting plate; 24. Lifting platform; 25. Sliding mouth; 26. Slide plate; 27. Rear baffle; 29. ​​Bending plate; 30. Front baffle; 31. Base platform; 32. Machining table; 33. X-axis moving table; 34. Y-axis moving table; 35. Z-axis moving table; 36. Reaming tool mechanism; 37. Magnetic yoke; 38. Rotation clearance. Detailed Implementation

[0019] The following description is intended to disclose the invention and enable those skilled in the art to implement it. The preferred embodiments described below are merely examples, and other obvious variations will occur to those skilled in the art.

[0020] like Figures 1-9The novel electromagnetic yoke pole making reaming device shown includes a base plate 1. A reaming tool mechanism 36 is installed on the top of the base plate 1 via a multi-axial moving mechanism. Pads 2 are fixedly installed on both sides of the upper surface of the base plate 1. Three support seats 3 are fixedly connected to the upper surface of the pads 2. The three support seats 3 on each side form two gaps. A concave block 15 is provided in the front gap and an adjustable plate 16 is provided in the rear gap. A lifting plate 4 is connected to the middle of the upper surface of the base plate 1 via a lifting mechanism. The lifting plate 4 is connected to the concave block 15 and the adjustable plate 16 via a distance adjustment mechanism. A first damping shaft 17 and a second damping shaft 20 are rotatably installed on both sides of the upper surface of the adjustable plate 16. A first arc-shaped shell 18 is fixedly connected to the outer surface of the first damping shaft 17 and a second arc-shaped shell 21 is fixedly connected to the outer surface of the second damping shaft 20. A first sealing gasket 19 and a second sealing gasket 22 are fixedly embedded on the side of the first arc-shaped shell 18 and the second arc-shaped shell 21 that are close to each other. After the corner of the magnetic yoke 37 is limited by the first damping shaft 17 and the second damping shaft 20, the first damping shaft 17 and the second damping shaft 20 are rotated respectively, so that the first sealing pad 19 and the second sealing pad 22 cover the rotation gap 38 respectively.

[0021] like Figure 1 As shown, a base platform 31 is fixedly installed on the lower surface of the base plate 1, and a processing table 32 is fixedly installed at the lower end of the base platform 31. The processing table 32 can provide sufficient height to facilitate the arrangement and removal of the magnetic yoke 37, thus bringing convenience to the operation.

[0022] like Figure 1 As shown, the multi-axis moving mechanism includes an X-axis moving stage 33 mounted on the outside of the base 31 via an X-axis servo axis. A Y-axis moving stage 34 is mounted on the upper surface of the front surface of the X-axis moving stage 33 via a Y-axis servo axis. A Z-axis moving stage 35 is mounted on the front surface of the Y-axis moving stage 34 via a Z-axis servo axis. A reaming tool mechanism 36 is fixedly embedded in the front surface of the Z-axis moving stage 35. The X-axis moving stage 33, Y-axis moving stage 34, and Z-axis moving stage 35 move in three directions respectively. The mechanism is mainly composed of three core components: a servo motor (drive device), a ball screw or rack and pinion (transmission mechanism), and a linear guide (guide assembly). It is also equipped with auxiliary parts such as support seats and couplings to achieve precision movement. This is a relatively mature existing technology and will not be described in detail.

[0023] The reaming mechanism 36 mainly consists of a motor, a reaming component, and a guide support component. It is the core execution component that can drive the reaming head to rotate according to the set CNC parameters to achieve precision machining of the workpiece hole wall. It will not be described in detail here.

[0024] like Figure 2 , Figure 3 , Figure 4 , Figure 5As shown, the adjusting mechanism includes guide seats 8 fixedly installed at the front and rear ends of the upper surface of the lifting plate 4. An adjusting cylinder 9 is fixedly embedded inside the guide seat 8. A movable plate 11 is fixedly installed at the telescopic end of the adjusting cylinder 9. A first connecting plate 12 and a second connecting plate 13 are fixedly connected to the upper ends of the front and rear movable plates 11, respectively. The lower surface of the concave block 15 is fixedly installed on the upper surface of the first connecting plate 12, and the lower surface of the adjustable plate 16 is fixedly installed on the upper surface of the second connecting plate 13. When the adjusting cylinder 9 extends or retracts, it drives the movable plate 11 to move, thereby changing the position of the first connecting plate 12 or the second connecting plate 13 to ensure the lateral position of the concave block 15 and the adjustable plate 16, ensuring precise positioning of the magnetic yoke 37.

[0025] It should be noted that bolts are fixedly connected to the lower surface of the adjustable plate 16 and the lower surface of the concave block 15 respectively. The two bolts slide through the first connecting plate 12 and the second connecting plate 13 respectively, and the nuts are tightened at the lower end, so that the adjustable plate 16 and the concave block 15 can rotate to change the angle. After tightening the nuts, the position can be fixed, so that the angle of the concave block 15 and the adjustable plate 16 can be adjusted, and the positioning is more flexible.

[0026] A sealing plate 14 is fixedly embedded in the upper end of the guide seat 8, and a guide groove 10 is formed on the inner wall of the guide seat 8. The front and rear ends of the moving plate 11 are respectively slidably inserted into the inner side of the guide groove 10. During the movement of the moving plate 11, the front and rear edges of the moving plate 11 slide along the inner side of the guide groove 10, which improves the stability during movement. The sealing plate 14 plays a covering role, preventing debris from entering the reaming hole and causing damage.

[0027] like Figure 3 , Figure 4 As shown, the lifting mechanism includes a lifting cylinder 7 and a guide cylinder 5 fixedly installed on the upper surface of the base plate 1. A guide rod 6 is slidably inserted into the upper end of the guide cylinder 5. The upper end of the guide rod 6 and the telescopic end of the lifting cylinder 7 are both fixedly installed on the lower surface of the lifting plate 4. When the lifting cylinder 7 extends or retracts, it can drive the lifting plate 4 to move up and down. The guide rod 6 will slide up and down along the guide cylinder 5, playing a limiting and guiding role to ensure that the lifting plate 4 moves smoothly vertically.

[0028] like Figure 3 , Figure 5 As shown, a support plate 23 is fixedly installed at the rear end of the upper surface of the base plate 1, and a support platform 24 is fixedly installed at the upper end of the support plate 23. The support platform 24 contacts the lower surface of the magnetic yoke 37 to improve the stability of the magnetic yoke 37 when it is placed.

[0029] like Figure 3 , Figure 5As shown, a sliding opening 25 is provided through the front surface of the lifting platform 24. A sliding plate 26 slides through the inner side of the sliding opening 25. The front end of the sliding plate 26 is fixedly connected to the rear side of the lifting plate 4, and the rear end of the sliding plate 26 is fixedly connected to a rear baffle 27. Bending plates 29 are fixedly connected to both sides of the front side of the lifting plate 4, and a front baffle 30 is fixedly connected to the side end of the bending plate 29. The front baffle 30 is used to limit the two front end positions of the magnetic yoke 37, and the rear baffle 27 is used to limit the rear surface position of the magnetic yoke 37 and also guide the magnetic yoke 37 to quickly and accurately enter the hole. Before boring, the lifting plate 4 moves down, and the rear baffle 27 and the front baffle 30 move down synchronously to prevent the upper end from protruding too high and interfering with the boring process.

[0030] Magnetic yoke 37 Figure 8 , Figure 9 As shown, it is made of stacked silicon steel sheets, and the rotatable joint has a rotation gap of 38.

[0031] A novel method for fabricating reaming holes using an electromagnetic yoke pole is also proposed, employing the aforementioned reaming device and comprising the following steps: S1. Arrange the magnetic yoke 37, with the corner positioned between the first damping shaft 17 and the second damping shaft 20, and the two ends respectively limited by concave blocks 15. S2. Rotate the first damping shaft 17 and the second damping shaft 20 respectively, so that the first sealing pad 19 and the second sealing pad 22 respectively cover the rotation gap 38. S3. Reaming is performed using the reaming tool mechanism 36.

[0032] During processing and use, the stacked magnetic yoke 37 is placed on the surfaces of the support seat 3 and the support platform 24, as shown in the image. Figure 7 As shown, the two front ends of the magnetic yoke 37 are respectively fitted into the inner side of the concave block 15. The concave block 15 seals both sides of the rotation gap 38. The corner of the magnetic yoke 37 is limited by the first damping shaft 17 and the second damping shaft 20. During the reaming process, by rotating the first damping shaft 17 and the second damping shaft 20 respectively, the first sealing pad 19 and the second sealing pad 22 cover the rotation gap 38 respectively, thereby sealing the joint and effectively preventing debris in the reaming hole from entering the rotation gap 38, which facilitates subsequent cleaning.

[0033] After the magnetic yoke 37 is positioned, before reaming, the lifting cylinder 7 is retracted to lower the lifting plate 4. The upper end of the concave block 15, the first damping shaft 17, the second damping shaft 20, the front baffle 30, and the upper surface of the lifting platform 24 are kept as flush as possible with the upper surface of the magnetic yoke 37. This can effectively avoid interference with the cutting head of the reaming tool mechanism 36 during the subsequent reaming process and facilitates the smooth reaming.

[0034] The front baffle 30 and the lifting platform 24 can guide the magnetic yoke 37 to be quickly arranged. The X-axis moving platform 33 moves in the front-back direction to change the position of the reaming tool mechanism 36 in the front-back direction. The Y-axis moving platform 34 can adjust the position of the reaming tool mechanism 36 in the horizontal direction. The Z-axis moving platform 35 can adjust the position of the reaming tool mechanism 36 in the vertical direction. Therefore, the reaming position of the reaming tool mechanism 36 can be flexibly adjusted in three degrees of freedom to ensure that the reaming is performed on the surface of the magnetic yoke 37.

[0035] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely principles of the invention. Various changes and modifications can be made to the invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed invention. The scope of protection claimed by the appended claims and their equivalents is defined.

Claims

1. A novel electromagnetic yoke pole fabrication and boring device, comprising a base plate (1), characterized in that: A reaming mechanism (36) is installed above the base plate (1) via a multi-axial moving mechanism. Pads (2) are fixedly installed on both sides of the upper surface of the base plate (1). Three support seats (3) are fixedly connected to the upper surface of the pads (2). The three support seats (3) on each side form two gaps. A concave block (15) is provided in the front gap, and an adjustable plate (16) is provided in the rear gap. A lifting plate (4) is connected to the middle of the upper surface of the base plate (1) via a lifting mechanism. The lifting plate (4) and the concave block (15) are connected... 5) and the adjustable plate (16) are connected by an adjustment mechanism. The upper surface of the adjustable plate (16) is rotatably mounted with a first damping shaft (17) and a second damping shaft (20) on both sides. The outer surface of the first damping shaft (17) is fixedly connected with a first arc-shaped shell (18), and the outer surface of the second damping shaft (20) is fixedly connected with a second arc-shaped shell (21). The first arc-shaped shell (18) and the second arc-shaped shell (21) are respectively fixedly embedded with a first sealing gasket (19) and a second sealing gasket (22) on the side of the first arc-shaped shell (18) and the second arc-shaped shell (21) that are close to each other. After the corner of the magnetic yoke (37) is limited by the first damping shaft (17) and the second damping shaft (20), the first damping shaft (17) and the second damping shaft (20) are rotated respectively, so that the first cover pad (19) and the second cover pad (22) cover the rotation gap (38) respectively.

2. The novel electromagnetic yoke pole reamer device according to claim 1, characterized in that: A base platform (31) is fixedly installed on the lower surface of the base plate (1), and a processing table (32) is fixedly installed at the lower end of the base platform (31).

3. The novel electromagnetic yoke pole reamer device according to claim 2, characterized in that: The multi-axis moving mechanism includes an X-axis moving stage (33) mounted on the outside of the base (31) via an X-axis servo axis, a Y-axis moving stage (34) mounted on the upper end of the front surface of the X-axis moving stage (33) via a Y-axis servo axis, a Z-axis moving stage (35) mounted on the front surface of the Y-axis moving stage (34) via a Z-axis servo axis, and a reaming tool mechanism (36) fixedly embedded in the front surface of the Z-axis moving stage (35).

4. The novel electromagnetic yoke pole reamer device according to claim 1, characterized in that: The adjusting mechanism includes guide seats (8) fixedly installed at the front and rear ends of the upper surface of the lifting plate (4). An adjusting cylinder (9) is fixedly embedded in the inner side of the guide seat (8). A moving plate (11) is fixedly installed at the telescopic end of the adjusting cylinder (9). A first connecting plate (12) and a second connecting plate (13) are fixedly connected to the upper ends of the moving plate (11) at the front and rear ends, respectively. The lower surface of the concave block (15) is fixedly installed on the upper surface of the first connecting plate (12), and the lower surface of the adjustable plate (16) is fixedly installed on the upper surface of the second connecting plate (13).

5. The novel electromagnetic yoke pole reamer device according to claim 4, characterized in that: The upper end of the guide seat (8) is fixedly fitted with a sealing plate (14), and the inner wall of the guide seat (8) is provided with a guide groove (10). The front and rear ends of the moving plate (11) are respectively slidably inserted into the inner side of the guide groove (10).

6. The novel electromagnetic yoke pole reamer device according to claim 1, characterized in that: The lifting mechanism includes a lifting cylinder (7) and a guide cylinder (5) fixedly installed on the upper surface of the base plate (1). A guide rod (6) is slidably inserted into the upper end of the guide cylinder (5). The upper end of the guide rod (6) and the telescopic end of the lifting cylinder (7) are both fixedly installed on the lower surface of the lifting plate (4).

7. The novel electromagnetic yoke pole reamer device according to claim 1, characterized in that: A lifting plate (23) is fixedly installed at the rear end of the upper surface of the base plate (1), and a lifting platform (24) is fixedly installed at the upper end of the lifting plate (23).

8. The novel electromagnetic yoke pole reamer device according to claim 7, characterized in that: The front surface of the lifting platform (24) is provided with a sliding opening (25), and a sliding plate (26) slides through the inner side of the sliding opening (25). The front end of the sliding plate (26) is fixedly connected to the rear side of the lifting plate (4), and the rear end of the sliding plate (26) is fixedly connected to a rear baffle (27). The two sides of the front side of the lifting plate (4) are respectively fixedly connected to bending plates (29), and the side ends of the bending plates (29) are fixedly connected to a front baffle (30).

9. A novel method for fabricating reaming holes using an electromagnetic yoke pole, employing the reaming apparatus as described in any one of claims 1-8, characterized in that: Includes the following steps: S1. Arrange the magnetic yoke (37), and place the corner between the first damping shaft (17) and the second damping shaft (20), with the two ends respectively limited by concave blocks (15); S2. Rotate the first damping shaft (17) and the second damping shaft (20) respectively, so that the first sealing pad (19) and the second sealing pad (22) cover the rotation gap (38) respectively. S3. Reaming is performed using the reaming tool mechanism (36).

Images