Magnetic shoe profiling device inlaid with non magnet-conductible material
A technology of magnetically conductive materials and magnetizing devices, which is applied in ceramic molding machines, inductance/transformer/magnet manufacturing, circuits, etc., and can solve the problems of reducing magnetic tile density, air holes, etc.
Pending Publication Date: 2017-12-01
ANHUI SINOMAG TECH
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Problems solved by technology
The magnetic tiles pressed by this mosaic method, after magnetization, the magnetic lines of force diverge from a central point, and there is a difference between the magnetic flux of the inner arc surface and the outer arc surface. Although it can meet the use of the motor, the formed magnetic flux Air holes appear on the outer arc surface of the tile, and the density of the magnetic tile is reduced
Method used
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[0022] see figure 1 , a magnetic tile pressing device inlaid with non-magnetic materials, including an upper die 1, a middle die 2 and two punches 3. The upper die 1 is located above the middle die 2, the middle die 2 is provided with two guide holes of the same size, and two punches 3 are inserted upward into the guide holes.
[0023] see figure 2 , The upper end of the punch 3 is provided with a concave block 31 made of non-magnetic material, the upper side of the concave block 31 is a concave arc surface, and the lower side of the concave block 31 is a flat surface. The non-magnetic material adopts the steel plate material of grade 70Mn. The thickness of the concave block 31 is 2 mm at the lowest position of the concave arc surface.
[0024] see image 3 , the lower side of the upper mold 1 is provided with two convex blocks 11 made of non-magnetic material, the lower side of the convex block 11 is provided with a convex arc surface, and the non-magnetic material adop...
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Abstract
The invention discloses a magnetic shoe profiling device inlaid with a non magnet-conductible material. The magnetic shoe profiling device comprises an upper die, a middle die and two punches; two convex blocks made of the non magnet-conductible material are arranged on the lower side surface of the upper die, the lower side surfaces of the convex blocks are convex arc surfaces, concave blocks made of the non magnet-conductible material are arranged at the upper ends of the punches, the upper side surfaces of the concave blocks are concave arc surfaces, and the curvature radiuses of the concave arc surfaces and the convex arc surfaces of the lower side surfaces of the convex blocks are the same; and magnetic shoe slurries are placed at the upper ends of the punches, the punches move upwards, the magnetic shoe slurries are pressed into tile shapes with arc surfaces, a magnetizing device is arranged, and magnetic shoe blanks are magnetized by the magnetizing device at the same time. The magnetic shoe profiling device has the advantages that after the upper die and the punches are added with embedding blocks of the non magnet-conductible material, the arrangement of original magnetic flux and magnetic force lines is kept, an air hole is not generated in a formed magnetic shoe, and meanwhile the density of the magnetic shoe is increased.
Description
technical field [0001] The invention belongs to the technical field of equipment design on a permanent magnet ferrite magnetic tile processing production line, in particular, it relates to a magnetic tile pressing device embedded with non-magnetic materials. Background technique [0002] Magnetic tiles are mainly used in permanent magnet DC motors. Unlike electromagnetic motors that generate magnetic potential sources through excitation coils, permanent magnet motors use permanent magnet materials to generate constant magnetic potential sources. Permanent magnetic tiles instead of electric excitation have many advantages, such as simple structure, convenient maintenance, light weight, small size, reliable use, less copper consumption, low copper consumption, and low energy consumption. Magnetic tiles are usually made of three materials: ferrite, NdFeB, and AlNiCo. In the pre-production process, the magnetic tile slurry is pressed and magnetized in the pressing device, and th...
Claims
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Patent Timeline
Login to View More IPC IPC(8): B28B7/00H01F41/02
CPCH01F41/0266B28B7/0097
Inventor 李春生
Owner ANHUI SINOMAG TECH