A slotted core processing apparatus

Abstract

The application relates to the technical field of magnetic core processing equipment, and discloses a slotted magnetic core processing equipment which comprises an operating table and a controller, a fixed stand is fixed to the top of the operating table, a first motor is fixed in the fixed stand, an inner supporting triangular turntable is fixed to the outer portion of the output shaft of the first motor, a first electric telescopic rod is fixed in the inner supporting triangular turntable, and an inner grinding rod is fixed to the output end of the first electric telescopic rod. The slotted magnetic core processing equipment controls the return stroke of the first electric telescopic rod, the inner grinding rod supports, tops and positions the inner wall of the annular magnetic core during the return stroke, controls the first cylinder to eject, the movable stand drives the second electric telescopic rod to move towards the direction of the annular magnetic core, then controls the second electric telescopic rod to eject, so that the outer grinding rod is clamped on the outer wall of the annular magnetic core, then the first motor and the second motor are started in sequence, and then the inner grinding rod and the outer grinding rod sequentially polish the inner wall and the outer wall of the annular magnetic core.

Description

Technical Field

[0001] This invention relates to the field of magnetic core processing equipment technology, specifically to a slotted magnetic core processing equipment. Background Technology

[0002] A magnetic core is a sintered magnetic metal oxide composed of various iron oxide mixtures. Manganese-zinc ferrite and nickel-zinc ferrite are typical core materials. Manganese-zinc ferrite has high permeability and high magnetic flux density, as well as low loss. Nickel-zinc ferrite has extremely high impedance and low permeability of less than a few hundred. Ferrite cores are used in coils and transformers of various electronic devices. Slotted cores, on the other hand, have transverse or longitudinal slots cut into them. The slots on slotted cores can improve the performance and stability of components to a certain extent.

[0003] During production, slotted magnetic cores can be processed into can-shaped magnetic cores or toroidal magnetic cores. When the magnetic core is completed, its surface generally needs to be polished. For example, toroidal magnetic cores or can-shaped magnetic cores also need to have their inner and outer walls polished. When polishing slotted magnetic cores, a clamping structure is generally used to fix the slotted magnetic core, and then it is polished by a grinding wheel or other polishing tools.

[0004] However, when using a clamping structure to hold and fix slotted magnetic cores, the clamping area can become a dead angle. Therefore, it is necessary to repeatedly adjust the clamping position to ensure thorough grinding. Moreover, the grinding of slotted magnetic cores is generally done on one side only. That is, after grinding one side, the clamping position is adjusted before grinding the remaining sides. Considering the time required to replace the clamping dead angle and the time required to replace the grinding surface, the grinding efficiency of slotted magnetic cores still needs to be improved. Summary of the Invention

[0005] To address the shortcomings of existing technologies, this invention provides a slotted magnetic core processing device, which solves the problems mentioned in the background section.

[0006] The present invention provides the following technical solution: a slotted magnetic core processing equipment, including an operating table and a controller, a protective cover is fixed at the top edge of the operating table, sealing doors are hinged on both sides of the protective cover, a moving groove is opened inside the top of the operating table, and a fixed column is fixed on the top of the operating table;

[0007] The fixed column has a first motor fixed inside, which is controlled by a controller. An inner support triangular turntable is fixed outside the output shaft of the first motor. A first electric telescopic rod is fixed inside each of the three corners of the inner support triangular turntable. The first electric telescopic rod is controlled by a controller. An inner grinding rod is fixed at the output end of the first electric telescopic rod, and the inner grinding rod is slidably connected to the inner support triangular turntable. A first screw is rotatably connected inside the inner grinding rod. A grinding plate is spirally driven outside the first screw, and the grinding plate is slidably connected to the inner grinding rod. A ring-shaped magnetic core is snapped onto the outside of the inner grinding rod.

[0008] The movable slot is equipped with a grinding component, which is used to grind the annular magnetic core.

[0009] Optionally, the grinding assembly includes a first cylinder controlled by a controller. One end of the first cylinder is fixed to the inner wall of the moving groove. A movable column is fixed to the outside of the output end of the first cylinder. A second motor is fixed inside the movable column near the fixed column. The second motor is controlled by a controller. An external clamping triangular turntable is fixed to the outside of the output shaft of the second motor. Second electric telescopic rods are fixed inside the three corners of the external clamping triangular turntable. The second electric telescopic rods are controlled by a controller.

[0010] An external grinding rod is fixed to the outside of the output shaft of the second electric telescopic rod. The bottom of the external grinding rod abuts against the outer wall of the annular magnetic core. The external grinding rod is slidably connected to the external clamping triangular turntable. An adjusting plate is slidably connected inside the external grinding rod. A first locking screw is fixed to the top of the adjusting plate. Extension frames are symmetrically fixed to the outside of both sides of the adjusting plate. The extension frames are slidably connected to the external grinding rod. First bolts are threaded inside both ends of the extension frames. A lifting frame is slidably connected inside one of the extension frames on the side away from the adjusting plate, and the lifting frame abuts against the first bolt. A first inner lining grinding plate is slidably connected inside the lifting frame.

[0011] Optionally, the lifting frame is internally threaded with a second screw, one end of which is rotatably connected to the first inner lining grinding plate.

[0012] Optionally, the grinding plate is internally slidably connected to an adjusting frame, a second bolt is internally threaded to one side of the grinding plate, a third screw is internally threaded to the adjusting frame, and a second inner lining grinding plate is externally rotatably connected to one end of the third screw, with the second inner lining grinding plate slidably connected to the grinding plate.

[0013] Optionally, a support plate is fixed to the outside of the grinding plate, and a first chamfering grinding plate is slidably connected inside the support plate. A third bolt is threaded inside the support plate on the side near the first motor, and the third bolt abuts against the first chamfering grinding plate. An extension plate is fixed to the outside of the support plate at the end away from the first screw. A movable rod is slidably connected inside the extension plate. A second chamfering grinding plate is fixed to the top of one end of the movable rod, and a fourth bolt is threaded inside the top of the extension plate.

[0014] Optionally, a lifting plate is slidably connected to the interior of another extension frame at the end away from the outer grinding rod. A third chamfering grinding plate is fixed to the exterior of the lifting plate on the side away from the first cylinder. A cross groove is formed inside the lifting plate on the side away from the third chamfering grinding plate. A cross slider is slidably connected inside the cross groove. A second locking screw is fixed to the exterior of the cross slider on the side away from the third chamfering grinding plate, and the second locking screw is slidably connected to the cross groove. A chamfering grinding rod is slidably connected inside the cross slider. A fifth bolt is threadedly connected to the top of the cross slider on the side near the first cylinder.

[0015] Optionally, the protective cover has an embedded groove on the side near the first cylinder. A second cylinder is fixed inside the embedded groove at the end away from the sealing door. The second cylinder is controlled by a controller. A sliding support block is fixed outside the output end of the second cylinder. A connecting plate is fixed outside the sliding support block on the side near the first cylinder. A curved plate is fixed at the end of the connecting plate near the first cylinder. A grinding machine is fixed at the end of the curved plate near the first cylinder. The grinding machine is controlled by a controller.

[0016] Optionally, the curved plate is arranged in a concave shape, and the length of the inner width of the curved plate is greater than the sum of the lengths of the first cylinder and the outer grinding rod.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] 1. The slotted magnetic core processing equipment first places the annular magnetic core onto the outside of the inner grinding rod. Then, the first electric telescopic rod is controlled to drive the inner grinding rod back. During the return stroke, the inner grinding rod supports and positions the inner wall of the annular magnetic core. Then, the first cylinder is controlled to drive the movable column to push out. The movable column drives the second motor, the outer clamping triangular turntable, and the second electric telescopic rod to move towards the annular magnetic core. Then, the second electric telescopic rod is controlled to push out, so that the second electric telescopic rod drives the outer grinding rod to clamp the outer wall of the annular magnetic core. Then, the first motor and the second motor are started in sequence, so that the inner grinding rod and the outer grinding rod grind the inner and outer walls of the annular magnetic core in sequence.

[0019] 2. In the process of clamping the annular magnetic core, the slotted magnetic core processing equipment adjusts the positions of the first chamfering grinding plate, the second chamfering grinding plate, the third chamfering grinding plate and the chamfering grinding rod so that the first chamfering grinding plate, the second chamfering grinding plate, the third chamfering grinding plate and the chamfering grinding rod respectively abut against the four edges on the two chamfers on both sides of the inner wall of the annular magnetic core. Then, as the first motor and the second motor rotate in sequence, the grinding of the chamfers on the inner wall of the annular magnetic core is completed synchronously. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the structure of the present invention;

[0021] Figure 2 This is an internal view of the structure of the present invention;

[0022] Figure 3 This is a schematic diagram showing the positional relationship between the fixed column, the first motor, and the inner support triangular turntable of the present invention.

[0023] Figure 4 This is a schematic diagram showing the positional relationship between the inner grinding rod and the support plate of the present invention;

[0024] Figure 5 This is a cross-sectional view of the internal grinding rod of the present invention;

[0025] Figure 6 This is a schematic diagram showing the positional relationship between the movable column, the second motor, and the external clamping triangular turntable of the present invention.

[0026] Figure 7 This is a schematic diagram of the structure of the adjustment plate and extension frame of the present invention;

[0027] Figure 8 This is a schematic diagram of the cross slider of the present invention;

[0028] Figure 9 This is a structural cross-sectional view of the lifting frame of the present invention;

[0029] Figure 10 This is a schematic diagram showing the positional relationship between the inner grinding rod, grinding plate, and annular magnetic core of the present invention;

[0030] Figure 11 This is a schematic diagram showing the positional relationship between the outer grinding rod, the lifting plate, and the annular magnetic core of the present invention;

[0031] Figure 12 for Figure 10 A magnified view of a section at point A in the middle;

[0032] Figure 13 for Figure 11 A magnified view of a section at point B.

[0033] In the diagram: 1. Operating table; 11. Protective cover; 12. Sealing door; 13. Moving slot; 2. Fixed column; 21. First motor; 22. Inner support triangular turntable; 23. First electric telescopic rod; 24. Inner grinding rod; 25. First screw; 26. Grinding plate; 3. Ring magnetic core; 4. First cylinder; 41. Movable column; 42. Second motor; 43. Outer clamping triangular turntable; 44. Second electric telescopic rod; 45. Outer grinding rod; 46. Adjusting plate; 461. First locking screw; 47. Extension frame; 471. First bolt; 48. Lifting frame; 49. First inner lining grinding plate; 5. Second screw; 6. Adjusting bracket; 61. Second bolt; 62. Third screw; 63. Second inner lining grinding plate; 7. Support plate; 71. First chamfering grinding plate; 72. Third bolt; 73. Extension plate; 74. Movable rod; 75. Second chamfering grinding plate; 76. Fourth bolt; 8. Lifting plate; 81. Third chamfering grinding plate; 82. Cross groove; 83. Cross slider; 84. Second locking screw; 85. Chamfering grinding rod; 86. Fifth bolt; 9. Embedded groove; 91. Second cylinder; 92. Sliding support block; 93. Connecting plate; 94. Curved plate; 95. Grinding machine. Detailed Implementation

[0034] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention. Example

[0035] Please see Figure 1-13 A slotted magnetic core processing device includes an operating table 1 and a controller. A protective cover 11 is fixed to the edge of the top of the operating table 1. Sealing doors 12 are hinged to both sides of the protective cover 11. A moving groove 13 is opened inside the top of the operating table 1. A fixed column 2 is fixed to the top of the operating table 1. A first motor 21 is fixed inside the fixed column 2. The first motor 21 is controlled by the controller. An internal support triangular turntable 22 is fixed to the outside of the output shaft of the first motor 21. The first motor 21 is fixed to the interior of each of the three corners of the internal support triangular turntable 22. Telescopic rod 23, the first electric telescopic rod 23 is controlled by a controller, the output end of the first electric telescopic rod 23 is fixed with an inner grinding rod 24, and the inner grinding rod 24 is slidably connected to the inner support triangular turntable 22. The inner grinding rod 24 is rotatably connected with a first screw 25, and the outer side of the first screw 25 is screw-driven with a grinding plate 26, and the grinding plate 26 is slidably connected to the inner grinding rod 24. The outer side of the inner grinding rod 24 is snapped with an annular magnetic core 3. The inside of the moving groove 13 is provided with a grinding assembly, which is used to grind the annular magnetic core 3.

[0036] The grinding assembly includes a first cylinder 4, which is controlled by a controller. One end of the first cylinder 4 is fixed to the inner wall of the moving groove 13. A movable column 41 is fixed to the outside of the output end of the first cylinder 4. A second motor 42 is fixed inside the movable column 41 on the side near the fixed column 2. The second motor 42 is controlled by a controller. An external clamping triangular turntable 43 is fixed to the outside of the output shaft of the second motor 42. A second electric telescopic rod 44 is fixed inside the three corners of the external clamping triangular turntable 43. The second electric telescopic rod 44 is controlled by a controller.

[0037] An outer grinding rod 45 is fixed to the outside of the output shaft of the second electric telescopic rod 44. The bottom of the outer grinding rod 45 abuts against the outer wall of the annular magnetic core 3. The outer grinding rod 45 is slidably connected to the outer clamping triangular turntable 43. An adjusting plate 46 is slidably connected inside the outer grinding rod 45. A first locking screw 461 is fixed to the top of the adjusting plate 46. Extension frames 47 are symmetrically fixed to the outside of both sides of the adjusting plate 46. The extension frames 47 are slidably connected to the outer grinding rod 45. A first bolt 471 is threaded inside both ends of the extension frames 47. A lifting frame 48 is slidably connected inside one of the extension frames 47 on the side away from the adjusting plate 46. The lifting frame 48 abuts against the first bolt 471. A first inner lining grinding plate 49 is slidably connected inside the lifting frame 48.

[0038] In the specific operation process, firstly, according to the thickness of the annular magnetic core 3, each first screw 25 is adjusted so that the first screw 25 drives the grinding plate 26 to slide outside the inner grinding rod 24 until the distance between the grinding plate 26 and the port of the inner grinding rod 24 is equal to the thickness of the annular magnetic core 3. Then, the controller controls the first electric telescopic rods 23 in the three corners of the inner support triangular turntable 22 to push out, so that the output shafts of the three first electric telescopic rods 23 are close to each other. The first electric telescopic rods 23 drive each inner grinding rod 24 to be close to each other. Then, the annular magnetic core 3 is sleeved on the outside of the inner grinding rod 24. At this time, due to the influence of gravity, the inner wall of the annular magnetic core 3 contacts the uppermost inner grinding rod 24, and one side of the annular magnetic core 3 abuts against the grinding plate 26, while the other side is flush with the port of the inner grinding rod 24.

[0039] Next, the controller controls the return of each first electric telescopic rod 23. During the return process, the first electric telescopic rod 23 removes one inner grinding rod 24 that has already contacted the annular magnetic core 3. The remaining two first electric telescopic rods 23 drive the remaining inner grinding rods 24 to contact the two sides of the inner ring of the annular magnetic core 3 respectively. As the first electric telescopic rods 23 continue to return, the three inner grinding rods 24 support the annular magnetic core 3 from the inside of the annular magnetic core 3, and fix the annular magnetic core 3 in the designated position. At this time, the center of the annular magnetic core 3 is at the same height as the center of the output shaft of the first motor 21.

[0040] Next, based on the thickness of the annular magnetic core 3, adjust the position of the adjusting plate 46 within the outer grinding rod 45. During the adjustment process, the adjusting plate 46 drives the extension frame 47 to move synchronously. The extension frame 47 then drives the lifting frame 48 and the first inner lining grinding plate 49 to move synchronously until the distance between the first inner lining grinding plate 49 and the port of the outer grinding rod 45 is equal to the thickness of the annular magnetic core 3. At this point, rotate the first locking screw 461 to lock the position of the adjusting plate 46. Then, start the first cylinder 4 through the controller. The ejection of the first cylinder 4 drives the movable column 41 and the second motor 42 to move toward the annular magnetic core 3. This causes the second motor 42 to drive the outer clamping triangular turntable 43 to move toward the annular magnetic core 3. The outer clamping triangular turntable 43 then drives the second electric telescopic rod 44 and the outer grinding rod 45 to move synchronously. This causes the outer grinding rod 45 to drive the adjusting plate 46 and the extension frame 47 to move synchronously. This causes the extension frame 47 to drive the lifting frame 48 and the first inner lining grinding plate 49 to move synchronously toward the annular magnetic core 3.

[0041] During the movement, the first inner lining grinding plate 49 gradually approaches the annular magnetic core 3 until the first inner lining grinding plate 49 contacts the other side of the annular magnetic core 3. Then, the controller controls the second electric telescopic rods 44 in the three corners of the outer clamping triangular turntable 43 to push out. The second electric telescopic rods 44 drive the outer grinding rods 45 to push out synchronously, so that the outer grinding rods 45 drive the adjusting plate 46 to push out synchronously, so that the adjusting plate 46 drives the extension frame 47, the lifting frame 48 and the first inner lining grinding plate 49 to push out synchronously, until the bottom of each outer grinding rod 45 contacts the outer wall of the annular magnetic core 3.

[0042] Specifically, when the toroidal magnetic core 3 needs to be fully polished, the first motor 21 is started by the controller. The first motor 21 drives the inner support triangular turntable 22 to rotate. The inner support triangular turntable 22 drives the first electric telescopic rod 23 and the inner grinding rod 24 to rotate synchronously. When the inner grinding rod 24 is rotating, the controller controls the second electric telescopic rod 44 to continuously push out. This causes the second electric telescopic rod 44 to drive the outer grinding rod 45 to increase the pressure on the outer wall of the toroidal magnetic core 3. As a result, the pressure of the second electric telescopic rod 44 and the outer grinding rod 45 on the toroidal magnetic core 3 is greater than the pressure of the first electric telescopic rod 23 and the inner grinding rod 24 on the toroidal magnetic core 3. This causes the three outer grinding rods 45 to clamp the toroidal magnetic core 3.

[0043] At this time, the annular magnetic core 3 and the outer grinding rod 45 are stationary, while the inner grinding rod 24 rotates against the inner wall of the annular magnetic core 3. When the inner grinding rod 24 rotates, it can perform grinding operations on the inner wall of the annular magnetic core 3. At the same time, since one side of the annular magnetic core 3 is in contact with the grinding plate 26, the inner grinding rod 24 can simultaneously grind the inner wall and one side surface of the annular magnetic core 3 during rotation. By simultaneously grinding two surfaces, the overall grinding efficiency of the annular magnetic core 3 is improved.

[0044] Furthermore, after the inner wall of the annular magnetic core 3 and the surface near the fixed column 2 are polished, the controller controls the first electric telescopic rod 23 to continuously push out, causing the first electric telescopic rod 23 to drive the inner grinding rod 24 to gradually increase the pressure applied to the inner wall of the annular magnetic core 3. At the same time, the controller reduces the pressure applied to the outer wall of the annular magnetic core 3 by the second electric telescopic rod 44 and the outer grinding rod 45, that is, the inner grinding rod 24 replaces the outer grinding rod 45 to continue to fix and clamp the annular magnetic core 3, so that the inner grinding rod 24 and the annular magnetic core 3 are in a stationary state. Then, the controller controls... The second motor 42 is started, which drives the outer clamping triangular turntable 43 and the second electric telescopic rod 44 to rotate. The second electric telescopic rod 44 drives the outer grinding rod 45 and the adjusting plate 46 to rotate. The adjusting plate 46 drives the extension frame 47 and the lifting frame 48 to rotate. The lifting frame 48 drives the first inner lining grinding plate 49 to rotate. That is, the second motor 42 drives the outer grinding rod 45 and the first inner lining grinding plate 49 to rotate. During the rotation, the outer grinding rod 45 performs a grinding operation on the inner wall of the annular magnetic core 3. At the same time, the first inner lining grinding plate 49 grinds the other side of the annular magnetic core 3.

[0045] Since the toroidal magnetic core 3 is circular, all surfaces of the toroidal magnetic core 3, namely the inner wall, outer wall and two sides of the toroidal magnetic core 3, can be polished. Thus, by rotating the first motor 21 and the second motor 42 in sequence, the toroidal magnetic core 3 can be fully polished. During the polishing process, there is no need to adjust the clamping position or flip the toroidal magnetic core 3 for adjustment. There are no dead corners in the clamping during the polishing process, which improves the polishing efficiency of the toroidal magnetic core 3.

[0046] It should be noted that the end of the first screw 25 is coplanar with the port of the inner grinding rod 24, thereby ensuring that the inner grinding rod 24 and the first screw 25 will not contact the extension frame 47 and the first inner grinding plate 49 during rotation. Furthermore, the end of the first screw 25 is provided with an internal hexagonal socket, which can be used to adjust the rotation of the first screw 25 with a hexagonal wrench.

[0047] The inner supporting triangular turntable 22 and the outer clamping triangular turntable 43 are each provided with three corners. The three corners of the inner supporting triangular turntable 22 are each fixed with a first electric telescopic rod 23, and the three corners of the outer clamping triangular turntable 43 are each fixed with a second electric telescopic rod 44. That is, there are three inner grinding rods 24 and three outer grinding rods 45, and the included angles of the three corners of the inner supporting triangular turntable 22 and the outer clamping triangular turntable 43 are equal. Example

[0048] The lifting frame 48 is internally threaded with a second screw 5. One end of the second screw 5 is rotatably connected to the first inner lining grinding plate 49. The grinding plate 26 is internally slidably connected with an adjusting frame 6. One side of the grinding plate 26 is internally threaded with a second bolt 61. The adjusting frame 6 is internally threaded with a third screw 62. One end of the third screw 62 is externally rotatably connected to a second inner lining grinding plate 63. The second inner lining grinding plate 63 is slidably connected to the grinding plate 26.

[0049] Specifically, based on Embodiment 1, when it is necessary to grind annular magnetic cores 3 of different sizes, that is, when both the outer and inner diameters of the annular magnetic core 3 change, the locking of the adjusting frame 6 can be released by rotating the second bolt 61. Then, according to the straight distance from the outer wall to the inner wall of the annular magnetic core 3, the adjusting frame 6 can be pulled out from the inside of the grinding plate 26, so that the adjusting frame 6 drives the second inner lining grinding plate 63 to be pulled out synchronously, so that the length of the grinding plate 26 can be extended, thereby ensuring that the grinding plate 26 and the second inner lining grinding plate 63 can be in complete contact with the entire surface of one side of the annular magnetic core 3 during rotation, thereby improving the applicability of the present invention.

[0050] After the grinding plate 26 and the adjusting frame 6 are adjusted, the first bolt 471 near the lifting frame 48 is rotated to release the locking of the lifting frame 48. Then, the lifting frame 48 is slidably adjusted inside the extension frame 47 to ensure that when the lifting frame 48 drives the first inner lining grinding plate 49 to rotate, the first inner lining grinding plate 49 contacts the entire surface of the annular magnetic core 3 near the first cylinder 4, which further improves the comprehensiveness of the grinding of the annular magnetic core 3 near the first cylinder 4 by the first inner lining grinding plate 49. Example

[0051] A support plate 7 is fixed to the outside of the grinding plate 26. A first chamfering grinding plate 71 is slidably connected inside the support plate 7. A third bolt 72 is threadedly connected inside the support plate 7 on the side near the first motor 21, and the third bolt 72 abuts against the first chamfering grinding plate 71. An extension plate 73 is fixed to the outside of the support plate 7 at the end away from the first screw 25. A movable rod 74 is slidably connected inside the extension plate 73. A second chamfering grinding plate 75 is fixed to the top of one end of the movable rod 74. A fourth bolt 76 is threadedly connected inside the top of the extension plate 73.

[0052] Another extension frame 47 has a lifting plate 8 slidably connected to the end away from the outer grinding rod 45. The lifting plate 8 has a third chamfering grinding plate 81 fixed to the outside of the side away from the first cylinder 4. A cross groove 82 is opened inside the lifting plate 8 on the side away from the third chamfering grinding plate 81. A cross slider 83 is slidably connected inside the cross groove 82. A second locking screw 84 is fixed to the outside of the cross slider 83 on the side away from the third chamfering grinding plate 81, and the second locking screw 84 is slidably connected to the cross groove 82. A chamfering grinding rod 85 is slidably connected inside the cross slider 83. A fifth bolt 86 is threadedly connected to the top of the cross slider 83 on the side near the first cylinder 4.

[0053] The protective cover 11 has an embedded groove 9 on the side near the first cylinder 4. A second cylinder 91 is fixed inside the embedded groove 9 at the end away from the sealing door 12. The second cylinder 91 is controlled by a controller. A sliding support block 92 is fixed outside the output end of the second cylinder 91. A connecting plate 93 is fixed outside the sliding support block 92 on the side near the first cylinder 4. A curved plate 94 is fixed at the end of the connecting plate 93 near the first cylinder 4. A grinder 95 is fixed at the end of the curved plate 94 near the first cylinder 4. The grinder 95 is controlled by a controller. The curved plate 94 is U-shaped. The length of the inner width of the curved plate 94 is greater than the sum of the lengths of the first cylinder 4 and the outer grinding rod 45.

[0054] Based on Embodiment 1, when the inner walls of the annular magnetic core 3 have chamfers on both sides, during the aforementioned clamping process of the annular magnetic core 3, i.e., by controlling the first electric telescopic rod 23 to drive the inner grinding rod 24 back through the controller, after the inner wall of the annular magnetic core 3 is clamped and supported, the locking of the first chamfering grinding plate 71 is released by rotating the third bolt 72. Then, the first chamfering grinding plate 71 is slidably adjusted so that the edge of the inner wall of the annular magnetic core 3 on the side close to the fixed column 2, on the side close to the grinding plate 26, aligns with the first chamfering grinding plate 71. The arc surfaces of plates 71 abut against each other. Then, the fourth bolt 76 is rotated to release the lock on the movable rod 74. Then, the position of the movable rod 74 is adjusted laterally. The movable rod 74 drives the second chamfering grinding plate 75 to move toward the annular magnetic core 3, so that the edge of the annular magnetic core 3 on the inner wall near the fixed column 2 and the edge away from the grinding plate 26 contacts the arc surface of the second chamfering grinding plate 75. That is, the two chamfered edges of the inner wall near the fixed column 2 of the annular magnetic core 3 contact the first chamfering grinding plate 71 and the second chamfering grinding plate 75 respectively.

[0055] Next, rotate the first bolt 471 to release the lock on the lifting plate 8, allowing the lifting plate 8 to slide and adjust. During the adjustment process, the lifting plate 8 drives the third chamfering grinding plate 81 to move towards the chamfer on the inner wall of the annular magnetic core 3 near the lifting plate 8, so that the third chamfering grinding plate 81 abuts against the edge of the inner wall of the annular magnetic core 3 near the lifting plate 8. Then, rotate the second locking screw 84 to release the lock on the cross slider 83, allowing the cross slider 83 to slide and adjust inside the cross groove 82, so that the cross slider 8... 3. Move the chamfering rod 85 toward the inner wall of the annular magnetic core 3 near the lifting plate 8, away from the edge of the lifting plate 8. Then rotate the fifth bolt 86 to release the lock on the chamfering rod 85, so that the chamfering rod 85 can slide and adjust inside the cross slider 83, so that the arc surface of the cross slider 83 is toward the inner wall of the annular magnetic core 3 near the lifting plate 8, away from the edge of the lifting plate 8, until they abut. At this time, the two edges of the chamfer on the inner wall of the annular magnetic core 3 near the lifting plate 8 abut against the arc surfaces of the third chamfering plate 81 and the chamfering rod 85, respectively.

[0056] This causes the four corners on both sides of the inner wall of the annular magnetic core 3 to abut against the arc surfaces of the first chamfering grinding plate 71, the second chamfering grinding plate 75, the third chamfering grinding plate 81, and the chamfering grinding rod 85, respectively. Then, the grinding operation in Embodiment 1 can be repeated. That is, when the pressure of the second electric telescopic rod 44 and the outer grinding rod 45 clamping the outer wall of the annular magnetic core 3 is greater than the pressure of the first electric telescopic rod 23 and the inner grinding rod 24 supporting the inner wall of the annular magnetic core 3, the outer grinding rod 45 and the annular magnetic core 3 are stationary. Then, the controller starts the first motor 21, which drives the inner support triangular turntable 22 to rotate. The inner support triangular turntable 22 drives the first electric telescopic rod 23 and the inner grinding rod 24 to rotate, and the inner grinding rod 24 drives the grinding plate 26... The surface of the toroidal magnetic core 3 near the fixed column 2 is polished, while the inner grinding rod 24 polishes the inner wall of the toroidal magnetic core 3. During the same process, as the inner grinding rod 24 rotates, it drives the support plate 7 and the extension plate 73 to rotate synchronously around the inner wall of the toroidal magnetic core 3. That is, the support plate 7 drives the first chamfering grinding plate 71, and the extension plate 73 drives the second chamfering grinding plate 75 to simultaneously polish the two edges of the chamfer on the inner wall of the toroidal magnetic core 3 near the fixed column 2. This makes the originally sharp edges of the inner wall of the toroidal magnetic core 3 polished into arc shape, thereby reducing the wear of the coil when the toroidal magnetic core 3 is wound into the coil later, and thus improving the safety of the toroidal magnetic core 3 when assembling the coil later.

[0057] Similarly, in the above process, when the pressure exerted by the first electric telescopic rod 23 and the inner grinding rod 24 on the inner wall of the annular magnetic core 3 is greater than the pressure exerted by the second electric telescopic rod 44 and the outer grinding rod 45 on the outer wall of the annular magnetic core 3, the inner grinding rod 24 and the annular magnetic core 3 are at rest. Then, the second motor 42 is started, driving the outer clamping triangular turntable 43 to rotate. The outer clamping triangular turntable 43 drives the second electric telescopic rod 44 and the outer grinding rod 45 to rotate. During the rotation of the outer grinding rod 45, the adjusting plate 46 and the extension frame 47 rotate. The extension frame 47 drives the lifting frame 48 and the first inner lining grinding plate 49 to rotate, and thus... The surface of the annular magnetic core 3 near the lifting plate 8 is polished. At the same time, the outer grinding rod 45 polishes the outer wall of the annular magnetic core 3. During the rotation of the extension frame 47, the extension frame 47 drives the lifting plate 8 to rotate synchronously. The lifting plate 8 drives the third chamfering grinding plate 81 and the chamfering grinding rod 85 to rotate around the outer wall of the annular magnetic core 3. During the rotation, the third chamfering grinding plate 81 and the chamfering grinding rod 85 polish the two chamfered edges of the inner wall of the annular magnetic core 3 near the lifting plate 8, polishing the sharp edges into an arc shape, thereby ensuring the safety of coil winding when the annular magnetic core 3 is wound into coil later.

[0058] Furthermore, after the inner wall, outer wall, chamfer, and both sides of the annular magnetic core 3 have been polished, the second cylinder 91 is activated by control. The second cylinder 91 drives the sliding support block 92 to push out towards the sealing door 12, causing the sliding support block 92 to move the connecting plate 93 synchronously. The connecting plate 93 then drives the curved plate 94 to move synchronously, and the curved plate 94 drives the polishing machine 95 to move synchronously. Then, the first electric telescopic rod 23 is controlled to return, and the first electric telescopic rod 23 drives the inner grinding rod 24 to return. At this time, the inner wall of the annular magnetic core 3... The wall loses its support and is only clamped by the outer grinding rod 45. Then, the first cylinder 4 is controlled to return. The first cylinder 4 drives the movable column 41 and the second motor 42 to return. The second motor 42 drives the outer clamping triangular turntable 43 to return towards the second cylinder 91. The outer clamping triangular turntable 43 drives the second electric telescopic rod 44 and the outer grinding rod 45 to return towards the second cylinder 91. The outer grinding rod 45 drives the annular magnetic core 3 to return towards the second cylinder 91, which in turn causes the outer grinding rod 45 to drive the annular magnetic core 3 to move towards the grinding machine 95.

[0059] As the annular magnetic core 3 moves toward the grinder 95, the second motor 42 is controlled to rotate. By controlling the speed and rotation angle of the second motor 42, the second motor 42 drives the outer clamping triangular turntable 43 and the second electric telescopic rod 44 to rotate. The second electric telescopic rod 44 drives the outer grinding rod 45 to rotate, and the outer grinding rod 45 drives the annular magnetic core 3 to rotate. During the rotation, the groove in the outer wall of the annular magnetic core 3 is aligned with the grinding tool of the grinder 95 until the first cylinder 4 moves to the concave part of the curved plate 94. Then, the second cylinder 91 is controlled to return, which in turn causes the second cylinder 91 to link with the grinder 95 to return. During the return stroke, the grinding tool of the grinder 95 is engaged in the groove of the annular magnetic core 3. At this time, the first cylinder 4 is controlled to repeatedly push out and return, so that the groove of the annular magnetic core 3 moves repeatedly outside the grinding tool of the grinder 95, thereby achieving the function of grinding the groove of the annular magnetic core 3.

[0060] Once one groove is polished, the distance between the polishing machine 95 and the annular magnetic core 3 can be adjusted, while controlling the annular magnetic core 3 to continue rotating, so that the next groove rotates to be flush with the grinding blade of the polishing machine 95. Then, continue polishing the grooves of the annular magnetic core 3. Once all the grooves of the annular magnetic core 3 have been polished, the annular magnetic core 3 can be removed.

[0061] It should be noted that the grinding blade of the grinding machine 95 can be optionally installed so that the thickness of the grinding blade of the grinding machine 95 corresponds to the width of the groove of the annular magnetic core 3. That is, within the same batch, the grinding blade of the grinding machine 95 can perform grinding operations on the surface of all the grooves of the annular magnetic core 3.

[0062] Among them, the first chamfering grinding plate 71, the second chamfering grinding plate 75, the third chamfering grinding plate 81 and the chamfering grinding rod 85 are all arranged with an arc surface at one end near the side of the annular magnetic core 3.

[0063] Although embodiments of the 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 invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A slotted core processing apparatus comprising an operating table (1) and a controller, characterized in that: The edge of the top of the operating platform (1) is fixed with a protective cover (11), both sides of the protective cover (11) are hinged with a sealing door (12), the inside of the top end of the operating platform (1) is provided with a moving groove (13), and the top of the operating platform (1) is fixed with a fixed stand (2); The inside of the fixed stand (2) is fixed with a first motor (21), the first motor (21) is controlled by a controller, the output shaft of the first motor (21) is fixed outside with an inner supporting triangular turntable (22), the inside of three corners of the inner supporting triangular turntable (22) is fixed with a first electric telescopic rod (23), the first electric telescopic rod (23) is controlled by a controller, the output end of the first electric telescopic rod (23) is fixed with an inner grinding rod (24), and the inner grinding rod (24) is slidably connected with the inner supporting triangular turntable (22), the inside of the inner grinding rod (24) is rotatably connected with a first screw rod (25), the outside of the first screw rod (25) is spirally driven with a grinding plate (26), and the grinding plate (26) is slidably connected with the inner grinding rod (24), and the outside of the inner grinding rod (24) is clamped with a ring-shaped magnetic core (3); The inside of the moving groove (13) is provided with a polishing assembly, and the polishing assembly is used for polishing the ring-shaped magnetic core (3); The polishing assembly comprises a first air cylinder (4), the first air cylinder (4) is controlled by a controller, one end of the first air cylinder (4) is fixed with the inner wall of the moving groove (13), the outside of the output end of the first air cylinder (4) is fixed with a movable stand (41), the inside of the movable stand (41) close to one side of the fixed stand (2) is fixed with a second motor (42), the second motor (42) is controlled by a controller, the outside of the output shaft of the second motor (42) is fixed with an outer clamping triangular turntable (43), the inside of three corners of the outer clamping triangular turntable (43) is fixed with a second electric telescopic rod (44), and the second electric telescopic rod (44) is controlled by a controller; The output shaft of the second electric telescopic rod (44) is fixed outside with an outer grinding rod (45), the bottom of the outer grinding rod (45) abuts against the outer wall of the ring-shaped magnetic core (3), the outer grinding rod (45) is slidably connected with the outer clamping triangular turntable (43), the inside of the outer grinding rod (45) is slidably connected with an adjusting plate (46), the top of the adjusting plate (46) is fixed with a first locking screw rod (461), the outside of both sides of the adjusting plate (46) is fixed with an extension frame (47) in a symmetrical manner, the extension frame (47) is slidably connected with the outer grinding rod (45), the inside of both ends of the extension frame (47) is threadedly connected with a first bolt (471), the inside of one side of the extension frame (47) away from the adjusting plate (46) is slidably connected with a lifting frame (48), and the lifting frame (48) abuts against the first bolt (471), and the inside of the lifting frame (48) is slidably connected with a first inner lining grinding plate (49); The inside of the lifting frame (48) is threadedly connected with a second screw rod (5), and one end of the second screw rod (5) is rotatably connected with the first inner lining grinding plate (49). The inner side of the grinding plate (26) is slidably connected with an adjusting frame (6), the inner side of one side of the grinding plate (26) is threadedly connected with a second bolt (61), the inner side of the adjusting frame (6) is threadedly connected with a third screw rod (62), the outer end of the third screw rod (62) is rotatably connected with a second inner lining grinding plate (63), and the second inner lining grinding plate (63) is slidably connected with the grinding plate (26).

2. A slotted core processing apparatus according to claim 1, characterized in that: The outer side of the grinding plate (26) is fixedly connected with a support plate (7), the inner side of the support plate (7) is slidably connected with a first chamfered grinding plate (71), the inner side of the side of the support plate (7) close to the first motor (21) is threadedly connected with a third bolt (72), and the third bolt (72) abuts against the first chamfered grinding plate (71), the outer end of the side of the support plate (7) away from the first screw rod (25) is fixedly connected with an extension plate (73), the inner side of the extension plate (73) is slidably connected with a movable rod (74), the top of the end of the movable rod (74) is fixedly connected with a second chamfered grinding plate (75), and the inner side of the top of the extension plate (73) is threadedly connected with a fourth bolt (76).

3. A slotted core processing apparatus according to claim 2, wherein: The inner side of the other end of the extension frame (47) away from the outer grinding rod (45) is slidably connected with a lifting plate (8), the outer side of the side of the lifting plate (8) away from the first air cylinder (4) is fixedly connected with a third chamfered grinding plate (81), the inner side of the side of the lifting plate (8) below and away from the third chamfered grinding plate (81) is provided with a cross groove (82), the inner side of the cross groove (82) is slidably connected with a cross slider (83), the outer side of the side of the cross slider (83) away from the third chamfered grinding plate (81) is fixedly connected with a second locking screw rod (84), and the second locking screw rod (84) is slidably connected with the cross groove (82), the inner side of the cross slider (83) is slidably connected with a chamfered grinding rod (85), and the inner side of the top of the cross slider (83) close to the side of the first air cylinder (4) is threadedly connected with a fifth bolt (86).

4. A slotted core processing apparatus according to claim 3, wherein: The inner side of the side of the protective cover (11) close to the first air cylinder (4) is provided with an embedded groove (9), the inner side of the end of the embedded groove (9) away from the door seal (12) is fixedly connected with a second air cylinder (91), the second air cylinder (91) is controlled by a controller, the outer side of the output end of the second air cylinder (91) is fixedly connected with a sliding support block (92), the outer side of the side of the sliding support block (92) close to the first air cylinder (4) is fixedly connected with a connecting plate (93), one end of the side of the connecting plate (93) close to the first air cylinder (4) is fixedly connected with a curved plate (94), one end of the side of the curved plate (94) close to the first air cylinder (4) is fixedly connected with a sander (95), and the sander (95) is controlled by a controller.

5. A slotted core processing apparatus according to claim 4, wherein: The curved plate (94) is arranged in a concave shape, and the length of the inner width of the curved plate (94) is greater than the sum of the lengths of the first air cylinder (4) and the outer grinding rod (45).

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