CN217728191U

CN217728191U - Two-sided continuous grinding machanism of magnetic shoe

Info

Publication number: CN217728191U
Application number: CN202220651508.8U
Authority: CN
Inventors: 董远林
Original assignee: MIANYANG DONGCHEN MAGNETIC MATERIAL CO Ltd
Current assignee: MIANYANG DONGCHEN MAGNETIC MATERIAL CO Ltd
Priority date: 2022-03-23
Filing date: 2022-03-23
Publication date: 2022-11-04
Anticipated expiration: 2032-03-23

Abstract

The utility model discloses a two-sided continuous grinding machanism of magnetic shoe, including the case of polishing, the incasement level of polishing is provided with the platform of polishing, feed inlet and discharge gate have been seted up on the case of polishing of the platform left and right sides respectively, the rectangle spout has been seted up on the platform of polishing, the one end and the feed inlet intercommunication of rectangle spout, the other end and the discharge gate intercommunication of rectangle spout, the spaced apart two holes that are equipped with in the rectangle spout, two hole departments are provided with first thin grinding subassembly and the second thin grinding subassembly respectively, still be provided with the propulsion subassembly on the platform of polishing, it needs to grind the processing at sintering shaping and after magnetism detects to have solved the magnetic shoe, the burr of concave surface about the magnetic shoe is polished, and current flat grinder only can the single face polish at every turn, not only the step is loaded down with trivial details but also reduced production efficiency scheduling problem.

Description

Two-sided continuous grinding machanism of magnetic shoe

Technical Field

The utility model relates to a ferrite magnetic shoe production field specifically is a two-sided continuous grinding machanism of magnetic shoe.

Background

The magnetic performance of the ferrite magnetic shoe is represented by higher magnetic conductivity at high frequency. Therefore, ferrite has become a nonmetal magnetic material with wide application in the fields of high frequency and weak current. Because the magnetic energy stored in the unit volume of ferrite is lower and the saturation magnetization is also lower (usually only 1/3-1/5 of pure iron), the application of the ferrite in the fields of frequency generation strong electricity and high power requiring higher magnetic energy density is limited, the production process of the sintered ferrite magnetic tile is mainly divided into wet-pressure anisotropy, dry-pressure isotropy and dry-pressure anisotropy, the difference between the anisotropy and the isotropy is whether an oriented magnetic field exists during press molding, and the process flow mainly comprises the following steps: proportioning, smelting and casting ingot, crushing, pulverizing, pressing, sintering and tempering, magnetic detection, grinding, machining, electroplating, magnetizing and packaging. The neodymium iron boron magnet production tool has: smelting furnace, jaw crusher, ball mill, jet mill, press forming machine, vacuum packaging machine, isostatic press, sintering furnace, heat treatment vacuum furnace, magnetic performance tester and gauss meter. The neodymium iron boron magnet processing worker has: special slicing machine, linear cutting machine, flat grinding machine, double-sided machine, perforating machine, chamfering machine and electroplating equipment.

The magnetic shoe needs to be ground after being sintered and molded and subjected to magnetic detection, burrs of the upper concave surface and the lower concave surface of the magnetic shoe are ground, the existing flat grinding machine can only grind a single surface at each time, steps are complicated, and production efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art not enough, provide a two-sided continuous grinding machanism of magnetic shoe, solved the problem mentioned in the background art.

The purpose of the utility model is realized through the following technical scheme: a magnetic shoe double-side continuous polishing mechanism comprises a polishing box, wherein a polishing platform is horizontally arranged in the polishing box, a feeding hole and a discharging hole are respectively formed in the polishing box on the left side and the right side of the polishing platform, a rectangular sliding groove is formed in the polishing platform, one end of the rectangular sliding groove is communicated with the feeding hole, the other end of the rectangular sliding groove is communicated with the discharging hole, two holes are formed in the rectangular sliding groove at intervals, a first fine polishing assembly and a second fine polishing assembly are respectively arranged at the positions of the two holes, and a propelling assembly is further arranged on the polishing platform;

the first fine grinding assembly comprises a first water grinding wheel, the first water grinding wheel is arranged in a hole in the middle of the rectangular sliding groove, the axis of the first water grinding wheel is parallel to the rectangular sliding groove, a perforated plate is arranged in the grinding box and located below the grinding platform, a first push rod motor is arranged on the perforated plate, the telescopic end of the first push rod motor is rotated and provided with a first hub motor, the first water grinding wheel is connected to the output end of the first hub motor, the top of the inner side of the grinding box is provided with a second push rod motor, the second push rod motor is arranged downwards, the telescopic end of the second push rod motor is provided with a U-shaped groove downwards, and the U-shaped groove is located above the first water grinding wheel.

Further, the second fine grinding assembly comprises a second water grinding wheel and a metal box, the metal box is located the first water grinding wheel and in the hole between the discharge ports, an arc cover is arranged at the top of the metal box in a sealing mode, a plurality of through holes are formed in the arc cover, the metal box is communicated with a vacuum pump through a gas pipe, a third push rod motor is further arranged on the porous plate, and the telescopic end of the third push rod motor is connected with the metal box.

Further, the top of the inner side of the polishing box is further provided with a fourth push rod motor, a machine base of the fourth push rod motor is hinged to the polishing box, a telescopic end of the fourth push rod motor rotates to be provided with a second hub motor, the second hub motor is sleeved with a second water grinding wheel, an arc-shaped groove is formed in the middle of the second water grinding wheel, the arc-shaped groove is matched with the arc-shaped cover, the polishing box is close to the inner side of the discharge port, a fifth push rod motor is arranged on the side wall of one side of the discharge port, the machine base of the fifth push rod motor is hinged to the polishing box, and the telescopic end of the fifth push rod motor is hinged to the fourth push rod motor.

The polishing platform comprises a speed reducer, the bottom of the polishing platform is provided with the speed reducer, the output end of the speed reducer penetrates through the polishing platform and is provided with a low-speed gear, the upper surface of the polishing platform is fixedly provided with a first sliding sleeve, a second sliding sleeve and a large rectangular frame in a sliding mode, two ends of the large rectangular frame are respectively provided with a first sliding rod and a second sliding rod, the first sliding rod and the second sliding rod respectively slide and penetrate through the first sliding sleeve and the second sliding sleeve, a small rectangular frame is arranged in the large rectangular frame in a sliding mode, the sliding direction of the small rectangular frame is perpendicular to the sliding direction of the large rectangular frame, an inner toothed rail is arranged on the inner wall of the small rectangular frame in a surrounding mode, the low-speed gear is meshed with the inner toothed rail, a push plate is arranged on one side wall of the small rectangular frame in the sliding direction, a first sliding hole is formed in the side wall of the large rectangular frame in a penetrating mode, the push plate slides and is arranged in the first sliding hole, one side of the large rectangular frame far away from the first sliding hole is provided with a second sliding hole, a limiting block is arranged on the side wall of the rectangular frame, and a long-strip-shaped limiting block is arranged on which the rectangular frame and extends out of the limiting block, and a limiting block is arranged on which is abutted to be parallel to the side wall of the rectangular frame.

Further, the limiting rod is sleeved with a bearing, and the bearing is abutted to the long-strip-shaped limiting block.

Furthermore, one end, far away from the small rectangular frame, of the push plates is conical, and the push plates are used for pushing the magnetic shoes.

Furthermore, still be provided with first plastic universal pipe on the incasement wall of polishing, first plastic universal pipe is used for right first terrazzo washs and cools down.

Furthermore, still be provided with the universal pipe of second plastics on the incasement wall of polishing, the universal pipe of second plastics is used for wasing and cooling the second water grinding wheel.

The beneficial effects of the utility model are that:

1. the second push rod motor starts, pushes down the U-shaped groove, and then makes the outer cambered surface of magnetic shoe and the laminating of U-shaped groove recess, makes the magnetic shoe tightly paste on the rectangle slide rail simultaneously, prevents that the magnetic shoe from sliding, and first push rod motor starts simultaneously, makes first in-wheel motor and first water emery wheel and magnetic shoe indent laminating and polish.

2. The third push rod motor promotes the metal cassette and up moves, makes the interior concave surface of magnetic shoe and the laminating of arc lid on the metal cassette, and the vacuum pump starts simultaneously, makes the interior negative pressure that produces of metal cassette, and then makes the magnetic shoe tightly adsorb on the metal cassette, and at this moment the fourth push rod motor starts, makes the outer cambered surface of second water grinding wheel on the second in-wheel motor press close to the magnetic shoe, finally makes the outer cambered surface of magnetic shoe and the laminating of the arc recess of second water grinding wheel and polish.

3. The speed reducer drives the low-speed gear to rotate, the low-speed gear is in transmission connection with the inner tooth rail on the inner wall of the small rectangular frame, the small rectangular frame is limited by the limiting rod and the long-strip-shaped limiting block, the inner tooth rail is always meshed with the low-speed gear and runs circularly, and finally the small rectangular frame drives the large rectangular frame and the push plate to circularly alternate, move, shrink and return to the original position, so that the magnetic tiles are conveyed.

Drawings

FIG. 1 is a schematic view of a double-sided continuous polishing mechanism for magnetic shoes of the present invention;

FIG. 2 is a top view of a propulsion assembly of a magnetic shoe double-sided continuous grinding mechanism of the present invention;

FIG. 3 is a left side view of the first water-buff wheel and the U-shaped groove of the double-side continuous polishing mechanism for magnetic shoes of the present invention;

FIG. 4 is a left side view of the second water-cooled grinding wheel and the metal box of the double-side continuous grinding mechanism for magnetic shoes of the present invention;

in the figure, 1, a polishing box, 2, a polishing platform, 3, a feeding port, 4, a discharging port, 5, a rectangular sliding chute, 6, a first water grinding wheel, 7, a porous plate, 8, a first push rod motor, 9, a first hub motor, 10, a second push rod motor, 11, a U-shaped groove, 12, a second water grinding wheel, 13, a metal box, 14, an arc-shaped cover, 15, an air pipe, 16, a vacuum pump, 17, a third push rod motor, 18, a fourth push rod motor, 19, a second hub motor, 20, an arc-shaped groove, 21, a fifth push rod motor, 31, a speed reducer, 32, a low-speed gear, 33, a first sliding sleeve, 34, a second sliding sleeve, 35, a first sliding rod, 36, a second sliding rod, 37, a large rectangular frame, 38, a small rectangular frame, 39, a push plate, 40, a first sliding hole, 41, a second sliding hole, 42, a connecting rod, 43, a limiting rod, 44, a long-strip-shaped limiting block, 45, a bearing, 46, a first plastic pipe, 47, a second plastic pipe, a universal gear, and a universal gear.

Detailed Description

The technical solution of the present invention will be described in further detail with reference to the accompanying drawings, but the protection scope of the present invention is not limited to the following description, and the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "connected" and "disposed" are to be interpreted broadly, and may be, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed; the utility model discloses in provide only supply the reference with the model of electrical apparatus. For those skilled in the art, different types of electrical appliances with the same function can be replaced according to actual use conditions, and for those skilled in the art, the specific meaning of the above terms in the present invention can be understood in specific situations.

Referring to fig. 1 to 4, the present invention provides a technical solution: as shown in fig. 1, a magnetic shoe double-sided continuous polishing mechanism comprises a polishing box 1, wherein a polishing platform 2 is horizontally arranged in the polishing box 1, a feed port 3 and a discharge port 4 are respectively arranged on the polishing box 1 on the left side and the right side of the polishing platform 2, a rectangular chute 5 is arranged on the polishing platform 2, one end of the rectangular chute 5 is communicated with the feed port 3, the other end of the rectangular chute 5 is communicated with the discharge port 4, two holes are arranged in the rectangular chute 5 at intervals, a first fine grinding assembly and a second fine grinding assembly are respectively arranged at the two holes, and a propelling assembly is also arranged on the polishing platform 2;

the first fine grinding assembly comprises a first water grinding wheel 6, the first water grinding wheel 6 is arranged in a hole in the middle of the rectangular sliding groove 5, the axis of the first water grinding wheel 6 is parallel to the rectangular sliding groove 5, a porous plate 7 is arranged in the grinding box 1, the porous plate 7 is positioned below the grinding platform 2, a first push rod motor 8 is arranged on the porous plate 7, a first hub motor 9 is rotatably arranged at the telescopic end of the first push rod motor 8, the first water grinding wheel 6 is connected to the output end of the first hub motor 9, a second push rod motor 10 is arranged at the top of the inner side of the grinding box 1, the second push rod motor 10 is arranged downwards, a U-shaped groove 11 is downwards arranged at the telescopic end of the second push rod motor 10, and the U-shaped groove 11 is positioned above the first water grinding wheel 6; as shown in fig. 1-3, in the specific implementation, the magnetic shoe enters the rectangular sliding groove 5 on the polishing platform 2 from the feeding port 3, the magnetic shoe is polished by the first fine grinding assembly and the second fine grinding assembly respectively under the pushing of the pushing assembly, and is finally conveyed to the discharging port 4, when the magnetic shoe reaches the first fine grinding assembly, the second push rod motor 10 is started to push the U-shaped groove 11 downwards, so that the outer arc surface of the magnetic shoe is attached to the groove of the U-shaped groove 11, and the magnetic shoe is tightly attached to the rectangular sliding rail 5 to prevent the magnetic shoe from sliding, and meanwhile, the first push rod motor 8 is started to attach the first hub motor 9 and the first water grinding wheel 6 to the inner concave surface of the magnetic shoe, and finely polish the inner concave surface of the magnetic shoe.

The second fine grinding assembly comprises a second water grinding wheel 12 and a metal box 13, the metal box 13 is located in a hole between the first water grinding wheel 6 and the discharge hole 4, the top of the metal box 13 is sealed and provided with an arc cover 14, a plurality of through holes are formed in the arc cover 14, the metal box 13 is communicated with a vacuum pump 16 through a gas pipe 15, a third push rod motor 17 is further arranged on the porous plate 7, and the telescopic end of the third push rod motor 17 is connected with the metal box 13.

A fourth push rod motor 18 is further arranged at the top of the inner side of the polishing box 1, a base of the fourth push rod motor 18 is hinged with the polishing box 1, a telescopic end of the fourth push rod motor 18 is rotatably provided with a second hub motor 19, a second water grinding wheel 12 is sleeved on the second hub motor 19, an arc-shaped groove 20 is formed in the middle of the second water grinding wheel 12, the arc-shaped groove 20 is matched with an arc-shaped cover 14, a fifth push rod motor 21 is arranged on the side wall of one side, close to the discharge port 4, in the polishing box 1, a base of the fifth push rod motor 21 is hinged with the polishing box 1, and a telescopic end of the fifth push rod motor 21 is hinged with the fourth push rod motor 18; as shown in fig. 1 and 4, in specific implementation, when the magnetic shoe reaches the second fine grinding assembly, the arc-shaped groove 20 of the second water grinding wheel 12 can be directly attached to the magnetic shoe, the magnetic shoe is finely ground on the outer arc surface of the magnetic shoe in the moving process, when the magnetic shoe is not closely arranged or easily slides in the rectangular sliding groove 5, the third push rod motor 17 can push the metal box 13 to move upwards, so that the inner concave surface of the magnetic shoe is attached to the arc-shaped cover 14 on the metal box 13, and the vacuum pump 16 is started to generate negative pressure in the metal box 13, so that the magnetic shoe is tightly attached to the metal box 13, at this time, the fourth push rod motor 18 is started, the second hub motor 19 and the second water grinding wheel 12 are close to the outer arc surface of the magnetic shoe, and finally, the outer arc surface of the magnetic shoe is attached to the arc-shaped groove 20 of the second water grinding wheel 12, so that the outer arc surface of the magnetic shoe is finely ground.

The propelling component comprises a speed reducer 31, the bottom of the polishing platform 2 is provided with the speed reducer 31, the output end of the speed reducer 31 penetrates through the polishing platform 2 and is provided with a low-speed gear 32, the upper surface of the polishing platform 2 is fixedly provided with a first sliding sleeve 33, a second sliding sleeve 34 and a large rectangular frame 37 in a sliding manner, two ends of the large rectangular frame 37 are respectively provided with a first sliding rod 35 and a second sliding rod 36, the first sliding rod 35 and the second sliding rod 36 are respectively arranged on the first sliding sleeve 33 and the second sliding sleeve 34 in a sliding manner, the large rectangular frame 37 is internally provided with a small rectangular frame 38 in a sliding manner, the sliding direction of the small rectangular frame 38 is vertical to the sliding direction of the large rectangular frame 37, the inner wall of the small rectangular frame 38 is provided with an inner toothed rail 48 in a surrounding manner, and the low-speed gear 32 is meshed with the inner toothed rail 48, a push plate 39 is arranged on one side wall of the small rectangular frame 38 along the sliding direction, a first sliding hole 40 is formed in the side wall of the large rectangular frame 37 in a penetrating mode, the push plate 39 is arranged in the first sliding hole 40 in a sliding mode, a second sliding hole 41 is arranged on one side, away from the first sliding hole 40, of the large rectangular frame 37, a connecting rod 42 is arranged on one side, away from the push plate 39, of the small rectangular frame 38, the connecting rod 42 is arranged in the second sliding hole 41 in a sliding mode, a limiting rod 43 extends out of the large rectangular frame 37 and is arranged at one end, away from the small rectangular frame 38, of the connecting rod 42, the limiting rod 43 is perpendicular to the connecting rod 42, a long-strip-shaped limiting block 44 is further arranged on the polishing platform 2, the long-strip-shaped limiting block 44 is parallel to the large rectangular frame 37, and the limiting rod 43 abuts against the side wall of the long-strip-shaped limiting block 44 and slides around the long-strip-shaped limiting block 44;

the limiting rod 43 is sleeved with a bearing 45, and the bearing 45 is abutted to the elongated limiting block 44.

One end of the push plate 39, which is far away from the small rectangular frame 38, is set to be conical, and the push plate 39 is used for pushing the magnetic shoes; as shown in fig. 1 and 2, in specific implementation, a row of magnetic shoes is arranged in the rectangular chute 5, the speed reducer 31 drives the low-speed gear 32 to rotate, the low-speed gear 32 is in transmission connection with the inner rack rail 48 on the inner wall of the small rectangular frame 38, the small rectangular frame 38 is limited by the limiting rod 43 and the elongated limiting block 44, so that the inner rack rail 48 is always engaged with the low-speed gear 32, when the magnetic shoes need to be pushed, the lower left corner of the inner rack rail 48 is engaged with the low-speed gear 32, the limiting rod 43 is in sliding abutment with the upper right corner of the elongated limiting block, the low-speed gear 32 rotates counterclockwise, the inner rack rail 48 is transferred from the lower left corner to the upper left corner to be engaged with the low-speed gear, the limiting rod 43 is transferred from the upper right corner of the elongated limiting block to the lower right corner, simultaneously, the whole small rectangular frame 38 is transferred from the side close to the rectangular sliding rail 5 side in the large rectangular frame 37, and the push plate 39 is inserted between two adjacent magnetic shoes between the first fine grinding assembly and the feed inlet, then the low-speed gear 32 continues to drive the small rectangular frame 38 to move to the left, meanwhile, the limiting rod 43 abuts against one side of the elongated limiting block, which is close to the large rectangular frame 37, and moves to the left, meanwhile, the whole large rectangular frame 37 is pushed to the left by the small rectangular frame 28, further, the push plate 39 pushes the whole row of magnetic shoes to move to the left, the sliding distance of the large rectangular frame 37 is a little greater than the length of the magnetic shoes, so that the insertion of the push plate 39 is facilitated, the push plate 39 pushes the whole row of magnetic shoes in the rectangular chute 5 to move, namely, the magnetic shoes at the first fine grinding assembly are moved out, the magnetic shoes between two holes enter the second fine grinding assembly, meanwhile, the magnetic shoes at the second fine grinding assembly are moved out to the discharge port 4, at this time, the low-speed gear 32 reaches the upper right corner of the inner rack 48 and moves to the lower right corner, at this time, the limiting rod 43 moves from the lower left corner of the elongated limiting block to the upper left corner, at this time, the small rectangular frame 38 moves towards the side close to the long strip-shaped limiting block on the large rectangular frame 37, meanwhile, the push plates 39 retract and leave the magnetic shoe which is just pushed, then the low-speed gear 32 continues to move to the position where the long strip-shaped limiting block 44 returns to the beginning from the lower right corner to the lower left corner of the internal gear rail 48, at this time, the limiting rod 43 is abutted to the side, away from the large rectangular frame 37, of the long strip-shaped limiting block 44 and moves to the position where the long strip-shaped limiting block returns to the beginning from the upper left corner to the upper right corner, it is guaranteed that the low-speed gear 32 is meshed with the internal gear rail 48, meanwhile, the small rectangular frame 38 drives the large rectangular frame 37 and the push plates 39 to move to the right and return to the initial position, the push plates 39 move back and forth along with the large rectangular frame 37 to push a piece of magnetic shoe once, and the push plates 39 are in the process of resetting to the initial position, namely, the stage of polishing of the magnetic shoe by the first fine polishing assembly and the second fine polishing assembly.

The inner wall of the grinding box 1 is further provided with a first plastic universal pipe 46, and the first plastic universal pipe 46 is used for cleaning and cooling the first water grinding wheel 6.

The inner wall of the grinding box 1 is also provided with a second plastic universal pipe 47, and the second plastic universal pipe 47 is used for cleaning and cooling the second water-grinding wheel 12.

The foregoing is illustrative of the preferred embodiments of the present invention, and it is to be understood that the invention is not limited to the precise forms disclosed herein, and that various other combinations, modifications, and environments may be resorted to, falling within the scope of the invention as defined by the appended claims. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.

Claims

1. The magnetic shoe double-side continuous grinding mechanism is characterized by comprising a grinding box (1), wherein a grinding platform (2) is horizontally arranged in the grinding box (1), a feeding hole (3) and a discharging hole (4) are respectively formed in the grinding box (1) on the left side and the right side of the grinding platform (2), a rectangular sliding groove (5) is formed in the grinding platform (2), one end of the rectangular sliding groove (5) is communicated with the feeding hole (3), the other end of the rectangular sliding groove (5) is communicated with the discharging hole (4), two holes are formed in the rectangular sliding groove (5) at intervals, a first fine grinding assembly and a second fine grinding assembly are respectively arranged at the two holes, and a propelling assembly is further arranged on the grinding platform (2);

the first fine grinding assembly comprises a first water grinding wheel (6), the first water grinding wheel (6) is arranged in a hole in the middle of a rectangular sliding groove (5), the axis of the first water grinding wheel (6) is parallel to the rectangular sliding groove (5), a perforated plate (7) is arranged in a grinding box (1), the perforated plate (7) is located below a grinding platform (2), a first push rod motor (8) is arranged on the perforated plate (7), the telescopic end of the first push rod motor (8) is rotatably provided with a first hub motor (9), the first water grinding wheel (6) is connected to the output end of the first hub motor (9), the inner side top of the grinding box (1) is provided with a second push rod motor (10), the second push rod motor (10) is arranged downwards, the telescopic end of the second push rod motor (10) is provided with a U-shaped groove (11) downwards, and the U-shaped groove (11) is located above the first water grinding wheel (6).

2. The double-sided continuous grinding mechanism for the magnetic tiles according to claim 1, wherein the second fine grinding assembly comprises a second water grinding wheel (12) and a metal box (13), the metal box (13) is located in a hole between the first water grinding wheel (6) and the discharge hole (4), an arc cover (14) is arranged at the top of the metal box (13) in a sealing mode, a plurality of through holes are formed in the arc cover (14), the metal box (13) is communicated with a vacuum pump (16) through an air pipe (15), a third push rod motor (17) is further arranged on the porous plate (7), and a telescopic end of the third push rod motor (17) is connected with the metal box (13).

3. The two-sided continuous grinding mechanism of a magnetic shoe according to claim 2, characterized in that a fourth push rod motor (18) is further arranged at the top of the inner side of the grinding box (1), a base of the fourth push rod motor (18) is hinged to the grinding box (1), a telescopic end of the fourth push rod motor (18) is rotatably provided with a second hub motor (19), the second hub motor (19) is sleeved with the second water grinding wheel (12), an arc-shaped groove (20) is formed in the middle of the second water grinding wheel (12), the arc-shaped groove (20) is matched with the arc-shaped cover (14), a fifth push rod motor (21) is arranged on the side wall of one side of the discharge port (4) close to the grinding box (1), the base of the fifth push rod motor (21) is hinged to the grinding box (1), and the telescopic end of the fifth push rod motor (21) is hinged to the fourth push rod motor (18).

4. The double-sided continuous polishing mechanism for the magnetic tiles according to claim 1, wherein the propelling assembly comprises a speed reducer (31), the bottom of the polishing platform (2) is provided with the speed reducer (31), the output end of the speed reducer (31) penetrates through the polishing platform (2) and is provided with a low-speed gear (32), the upper surface of the polishing platform (2) is fixedly provided with a first sliding sleeve (33), a second sliding sleeve (34) and is provided with a large rectangular frame (37) in a sliding manner, two ends of the large rectangular frame (37) are respectively provided with a first sliding rod (35) and a second sliding rod (36), the first sliding rod (35) and the second sliding rod (36) are respectively arranged on the first sliding sleeve (33) and the second sliding sleeve (34) in a sliding manner, the large rectangular frame (37) is internally provided with a small rectangular frame (38) in a sliding manner, the sliding direction of the small rectangular frame (38) is perpendicular to the sliding direction of the large rectangular frame (37), an inner rack (48) is arranged on the inner wall of the small rectangular frame (38) in a winding manner, the low-speed gear (32) is engaged with the inner rack (48), a sliding hole is formed in the sliding direction of the small rectangular frame (38), a first sliding plate (39) is arranged on the sliding plate (40), and a side wall of the large rectangular frame (37), and a first sliding plate (39) is arranged on the sliding plate (39), big rectangle frame (37) are kept away from one side of first slide opening (40) is provided with second slide opening (41), little rectangle frame (38) are kept away from one side of push pedal (39) is provided with connecting rod (42), connecting rod (42) slide and set up in second slide opening (41), connecting rod (42) are kept away from the one end of little rectangle frame (38) extends big rectangle frame (37) and is provided with gag lever post (43), gag lever post (43) with connecting rod (42) are perpendicular, still be provided with rectangular shape stopper (44) on polishing platform (2), rectangular shape stopper (44) with big rectangle frame (37) are parallel, gag lever post (43) with rectangular shape stopper (44) lateral wall butt encircles rectangular shape stopper (44) slides.

5. A magnetic shoe double-sided continuous grinding mechanism according to claim 4, characterized in that a bearing (45) is sleeved on the limiting rod (43), and the bearing (45) is abutted to the elongated limiting block (44).

6. A mechanism for grinding two sides of a magnetic shoe continuously as claimed in claim 5 wherein, one end of a plurality of said push plates (39) far from said small rectangular frame (38) is arranged to be conical, said push plates (39) are used for pushing the magnetic shoe.

7. A magnetic shoe double-sided continuous grinding mechanism according to claim 1, characterized in that a first plastic universal pipe (46) is further arranged on the inner wall of the grinding box (1), and the first plastic universal pipe (46) is used for cleaning and cooling the first water grinding wheel (6).

8. A magnetic shoe double-sided continuous grinding mechanism according to claim 2, characterized in that a second plastic universal pipe (47) is further arranged on the inner wall of the grinding box (1), and the second plastic universal pipe (47) is used for cleaning and cooling the second water grinding wheel (12).