CN214723357U

CN214723357U - Feeding mechanism of magnetic steel grinding machine

Info

Publication number: CN214723357U
Application number: CN202121531134.8U
Authority: CN
Inventors: 何建; 杨慧
Original assignee: Tonglu Hengsheng Magnetic Industry Co ltd
Current assignee: Tonglu Hengsheng Magnetic Industry Co ltd
Priority date: 2021-07-06
Filing date: 2021-07-06
Publication date: 2021-11-16
Anticipated expiration: 2031-07-06

Abstract

The utility model belongs to the technical field of magnet steel grinding machine and specifically relates to a magnet steel grinding machine feed mechanism is related to, and on it was applied to the magnet steel grinding machine, the magnet steel grinding machine included the feed table and the case of polishing, and feed table fixed connection was in one side of case of polishing, fixedly connected with limiting plate on the feed table. Feed mechanism includes spacing subassembly and lifting unit, and spacing subassembly includes fixed block, lead screw, sliding block, stopper and first knob, and the fixed block links to each other with lifting unit, and the fixed block is located the top of limiting plate, has seted up the sliding tray on the fixed block, and the lead screw rotates to set up in the sliding tray, and first knob links to each other with the lead screw is fixed, and sliding block threaded connection is on the lead screw, and sliding block sliding connection is in the sliding tray, and the stopper links to each other with the sliding block is fixed. This application can laminate the magnet steel strip on the limiting plate through the setting of spacing subassembly for the staff need not to fix the magnet steel strip with the hand, thereby has alleviateed staff's work burden, has improved work efficiency.

Description

Feeding mechanism of magnetic steel grinding machine

Technical Field

The application relates to the field of magnetic steel grinding machines, in particular to a feeding mechanism of a magnetic steel grinding machine.

Background

The magnetic steel grinding machine is a machine tool for grinding the surface of magnetic steel by using a grinding tool, and most of the magnetic steel grinding machines grind the magnetic steel by using a grinding wheel rotating at a high speed.

Referring to fig. 1, the main structure of the present magnetic steel grinding machine includes a grinding box 82, a feeding table 81 and a material receiving table 83, wherein the feeding table 81 is fixedly connected to one side of the grinding box 82, and the material receiving table 83 is fixedly connected to the other side of the grinding box 82. The feeding table 81 is vertically and fixedly connected with a limiting plate 84, the limiting plate 84 is used for being attached to a magnetic steel bar 85 used in cooperation with the magnetic steel grinding machine, and the limiting plate 84 is perpendicular to the side wall of one side, close to the feeding table 81, of the grinding box 82. A polishing channel 94 is arranged in the polishing box 82 along the polishing box 82 towards the material receiving platform 83, two sides of the polishing channel 94 are vertically and fixedly connected with limit strips, and a gap for the magnetic steel strip 85 to pass through is reserved between the two limit strips.

When the magnetic steel bar 85 needs to be ground, a worker needs to attach the magnetic steel bar 85 to the limiting plate 84 by hand, push the magnetic steel bar 85 into the grinding passage 94, and grind the magnetic steel bar 85 in the grinding passage 94.

To the correlation technique among the above-mentioned, the inventor thinks that the magnet steel grinding machine of correlation technique is at the during operation, needs the staff constantly to laminate the magnet steel strip on the limiting plate with the hand to push into the passageway of polishing with the magnet steel strip and polish, this kind of feeding mode need be very big to staff's burden, and work efficiency is not high.

SUMMERY OF THE UTILITY MODEL

In order to alleviate staff's work burden, improve work efficiency, this application provides a magnet steel grinding machine feed mechanism.

The application provides a magnet steel grinding machine feed mechanism adopts following technical scheme:

the utility model provides a magnet steel grinding machine feed mechanism, is applied to on the magnet steel grinding machine, its characterized in that: the feeding mechanism comprises a plurality of limiting assemblies used for attaching the magnetic steel strips to the limiting plates and a lifting assembly used for lifting the limiting assemblies, the lifting assembly is used for being connected with a feeding table matched with the magnetic steel grinding machine for use, the limiting plates used for guiding the magnetic steel strips are vertically connected to the feeding table, the limiting assemblies are arranged on the limiting plates, the distance between every two adjacent limiting assemblies is smaller than the length of the magnetic steel strips, each limiting assembly comprises a fixing block, a first lead screw, a sliding block, a limiting block and a first knob, the fixing block is connected with the lifting assembly and is positioned above the limiting plates, a sliding groove is formed in the side wall, close to the feeding table, of the fixing block, the length direction of the sliding groove is perpendicular to the length direction of the limiting plates, the first lead screw is arranged in the sliding groove along the length direction of the sliding groove, and the two ends of the first lead screw are respectively connected with the end faces of the two ends of the sliding groove in a rotating manner, first knob rotates and sets up on the one end terminal surface of fixed block, first knob and first lead screw are fixed to be linked to each other, sliding block threaded connection is on first lead screw, sliding block and sliding tray sliding fit, the stopper links to each other with the sliding block is fixed.

Through adopting above-mentioned technical scheme, rotatory first knob, first knob can drive first lead screw and rotate, and first lead screw drives the sliding block and slides, and the sliding block drives the stopper and laminates the magnet steel strip on the limiting plate. The setting of spacing subassembly can be with the laminating of magnet steel strip on the limiting plate to make the staff need not to laminate the magnet steel strip on the limiting plate with the hand, alleviateed staff's work burden, improved work efficiency.

Optionally, the side wall of one side of the limiting block close to the limiting plate is an arc-shaped curved surface.

Through adopting above-mentioned technical scheme, the stopper is close to one side lateral wall of magnet billet and establishes to the arc curved surface can reduce the dead possibility of card between magnet billet and the stopper.

Optionally, the feeding table is vertically and fixedly connected with a first fixing strip, the first fixing strip is located on one side of the limiting plate, a cavity is formed in the first fixing strip, a lifting groove is formed in the side wall, close to the limiting plate, of one side of the first fixing strip along the height direction of the first fixing strip, the lifting groove is communicated with the cavity, the lifting assembly comprises a motor, a gear and a first rack, the motor is arranged outside the first fixing strip, the gear is rotatably installed in the cavity, an output shaft of the motor penetrates through the side wall of the first fixing strip and is connected with the gear in a key manner, the first rack is in sliding fit with the lifting groove, the first rack is meshed with the gear, a second fixing strip is fixedly connected to the end face, close to the limiting assembly, of the first rack, the fixing blocks are all fixedly connected to the second fixing strip, and a locking assembly is further arranged on the first fixing strip, the locking assembly is connected to the gear.

Through adopting above-mentioned technical scheme, when the height of magnet steel strip is higher than spacing subassembly, starter motor, motor can drive gear and rotate, and the gear drives first rack and slides in the lift inslot, and first rack drives the fixed strip rebound of second, and the fixed strip of second drives spacing subassembly and shifts up to can adjust the height of spacing subassembly, and then make spacing subassembly can be applicable to the magnet steel strip of co-altitude.

Optionally, the locking assembly includes a second rack and a first cylinder for pushing the second rack, the first cylinder is disposed outside the first fixing strip, the second rack is slidably disposed in the cavity, and a piston rod of the first cylinder passes through a side wall of the first fixing strip and is fixedly connected to the second rack.

Through adopting above-mentioned technical scheme, when needs carry on spacingly to the gear, start first cylinder, first cylinder can push the second rack to the gear, until with gear engagement to carry on spacingly to the gear. The arrangement of the locking assembly can reduce the possibility that the first rack abnormally slides in the lifting groove due to gravity.

Optionally, one side of feed table is connected with the case of polishing, the incasement of polishing is equipped with the passageway of polishing along the length direction of limiting plate, the last length direction who follows the limiting plate of feed table offers and is used for keeping away from one side of first fixed strip with magnet steel strip sliding fit, first recess is located the limiting plate, the diapire of first recess and the diapire of the passageway of polishing are on same horizontal plane.

Through adopting above-mentioned technical scheme, first recess can keep away from one side of spacing subassembly to the magnet steel strip and carry on spacingly to further laminate the magnet steel strip on the limiting plate.

Optionally, a feed chute is formed in the feed table, the feed chute is located on one side, away from the limiting plate, of the first groove, and the bottom wall of the feed chute is inclined downwards from the direction close to the limiting plate to the direction away from the limiting plate.

Through adopting above-mentioned technical scheme, when needs put into first recess with the magnet steel strip, can slide the magnet steel strip in the first recess from the diapire of chute feeder to the convenience in putting into first recess with the magnet steel strip has been improved.

Optionally, a second cylinder used for pushing the magnetic steel bar is arranged on the feeding table, and the second cylinder is located at one end, far away from the grinding box, of the limiting plate.

Through adopting above-mentioned technical scheme, when needs push the magnet steel strip into the incasement of polishing and polish, start the second cylinder, the second cylinder can promote the magnet steel strip and get into the incasement of polishing, and the setting up of second cylinder makes the staff need not manual push magnet steel strip to staff's work burden has been alleviateed.

Optionally, one side of the polishing channel is fixedly connected with a first limit strip, the other side of the polishing channel is slidably connected with a second limit strip, a gap for the magnetic steel strip to pass through is reserved between the first limiting strip and the second limiting strip, a second groove is arranged on the bottom wall of the polishing channel along the width direction of the polishing channel, an adjusting component used for adjusting the position of the second limiting strip is arranged in the second groove and comprises a second screw rod and a second knob, the second screw rod is arranged in the second groove along the length direction of the second groove, two ends of the second screw rod are respectively and rotationally connected to the end surfaces of two ends of the second groove, the second knob is rotatably arranged outside the grinding box and is fixedly connected with the second screw rod, and the second screw rod is in threaded connection with a moving block, and the top wall of the moving block is fixedly connected with the bottom wall of the second limiting strip.

Through adopting above-mentioned technical scheme, when the clearance between first spacing and the second spacing needs to be adjusted, rotatory second knob, the second knob can drive the second lead screw and rotate, and the second lead screw can drive the movable block and remove, and the movable block drives the second spacing and slides to can adjust the clearance between first spacing and the second spacing. The setting of adjusting part can make the staff adjust the clearance between first spacing and the second spacing according to the thickness of magnetic steel strip for the case of polishing can polish the magnetic steel strip of different thickness.

Optionally, a supporting plate is further fixedly connected to the side wall of the second groove, the supporting plate is located between the first limiting strip and the second limiting strip, and the top wall of the supporting plate and the bottom wall of the polishing channel are located on the same horizontal plane.

Through adopting above-mentioned technical scheme, when the magnet steel strip passes through the top of second recess, can pass through the second recess through the backup pad, the reducible magnet steel strip of backup pad card is in the possibility of second recess.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the magnetic steel bar can be abutted against the limiting plate by rotating the first knob, so that workers do not need to fix the magnetic steel bar, and the workload of the workers is reduced;

2. the arrangement of the second groove further improves the stability of the magnetic steel strip on the limiting plate;

3. the cylinder can replace the staff and push the magnet steel strip into the case of polishing, has further alleviateed staff's work burden.

Drawings

FIG. 1 is a schematic structural diagram of a magnet steel grinding machine in the related art;

FIG. 2 is a schematic structural diagram of a magnetic steel grinding machine with a feeding mechanism installed in the embodiment of the application;

FIG. 3 is a schematic view of a partial structure of a magnetic steel grinding machine in an embodiment of the present application, which is used for showing a connection relationship between each component on a feeding table and the feeding table;

FIG. 4 is a cross-sectional view of the lift assembly and locking assembly of the feed mechanism in an embodiment of the present application;

FIG. 5 is an exploded view of a stop assembly of the feed mechanism in an embodiment of the present application;

FIG. 6 is a semi-sectional view of a grinding box of the magnet steel grinding machine in an embodiment of the present application;

fig. 7 is an enlarged view of a portion a in fig. 6.

Description of reference numerals: 1. a limiting component; 11. a fixed block; 12. a first lead screw; 13. a slider; 14. a limiting block; 15. a first knob; 2. a first fixing strip; 3. a lifting assembly; 31. a motor; 32. a gear; 33. a first rack; 4. a locking assembly; 41. a first cylinder; 42. a second rack; 5. a second fixing strip; 6. a second cylinder; 7. an adjustment assembly; 71. a second lead screw; 72. a second knob; 73. a moving block; 81. a feeding table; 82. grinding a box; 821. a first limit strip; 822. a second limit strip; 83. a material receiving platform; 84. a limiting plate; 85. a magnetic steel strip; 86. a support plate; 87. a first drive shaft; 88. mounting blocks; 89. a second drive shaft; 91. a sliding groove; 92. a cavity; 93. a lifting groove; 94. polishing the channel; 95. a first groove; 96. a feed chute; 97. a second groove.

Detailed Description

The present application is described in further detail below with reference to figures 2-7.

The embodiment of the application discloses magnet steel grinding machine feed mechanism. Referring to fig. 2, the magnetic steel grinding machine includes a feeding table 81, a grinding box 82 and a material receiving table 83, the feeding table 81 is fixedly connected to one side of the grinding box 82, and the material receiving table 83 is fixedly connected to the other side of the grinding box 82. A grinding channel 94 is arranged in the grinding box 82 from the feeding table 81 to the receiving table 83, and a first limiting strip 821 is fixedly connected to one side of the grinding channel 94 in a vertical mode. A limiting plate 84 is vertically and fixedly connected to the feeding table 81 along the length direction of the first limiting strip 821.

Referring to fig. 3, a first groove 95 for sliding fit with the magnetic steel bar 85 is formed in the feeding table 81 along the length direction of the limiting plate 84, and the first groove 95 is located on one side of the limiting plate 84. First recess 95 is linked together with the passageway 94 of polishing, offers the chute feeder 96 that is linked together with first recess 95 on the feed table 81, and chute feeder 96 is located one side that first recess 95 keeps away from limiting plate 84, and one side that first recess 95 was kept away from to chute feeder 96 is close to one side slope downwardly setting of first recess 95 from chute feeder 96 to chute feeder 96.

Referring to fig. 3 and 4, the feeding mechanism includes a first fixing strip 2 vertically and fixedly connected to the feeding table 81, and the first fixing strip 2 is located on one side of the limiting plate 84 away from the first groove 95. A cavity 92 is formed in the first fixing strip 2 along the height direction of the first fixing strip 2, a lifting groove 93 is formed in the side wall, close to the limiting plate 84, of the first fixing strip 2 along the height direction of the first fixing strip 2, and the lifting groove 93 is communicated with the cavity 92.

Referring to fig. 3 and 4, the lifting assembly 3 includes a motor 31, a gear 32 and a first rack 33, the motor 31 is fixedly connected to the outer side wall of the first fixing strip 2 through a bolt, the gear 32 is rotatably disposed in the cavity 92, and an output shaft of the motor 31 is connected with the gear 32 through the side wall of the first fixing strip 2. The first rack 33 is slidably engaged with the lifting groove 93, and the first rack 33 is engaged with the gear 32. Equal fixedly connected with third spacing on the both sides lateral wall of first rack 33, the spacing groove has all been seted up along the length direction of lift groove 93 on the both sides lateral wall of lift groove 93, third spacing and spacing groove sliding fit. The first rack 33 extends out of the slide groove 91 away from the end engaged with the gear 32. One side of the first rack 33 outside the sliding groove 91 is provided with a second fixing strip 5, and the top wall of the second fixing strip 5 is fixedly connected with the bottom wall of the first rack 33. The bottom wall of the second fixing strip 5 is provided with a limiting component 1 for attaching the magnetic steel strip 85 to the limiting plate 84.

Referring to fig. 3 and 4, a locking assembly 4 for locking the gear 32 is arranged on the second fixing bar 5, the locking assembly 4 includes a second rack 42 and a first cylinder 41 for pushing the second rack 12, the first cylinder 41 is fixedly connected to a side wall of the first fixing bar 2 far away from the first rack 33 through a bolt, the second rack 42 is slidably arranged in the cavity 92, and a piston rod of the first cylinder 41 passes through the side wall of the first fixing bar 2 and is fixedly connected with the second rack 42.

Referring to fig. 3 and 4, when the height of the limiting assembly 1 needs to be adjusted, the motor 31 is started, the motor 31 drives the gear 32 to rotate, the gear 32 drives the first rack 33 to slide in the lifting groove 93, the first rack 33 drives the second fixing strip 5 to lift, and the second fixing strip 5 can drive the limiting assembly 1 to lift; when the position limiting assembly 1 needs to be fixed, the motor 31 is turned off, the first cylinder 41 is turned on, the first cylinder 41 pushes the second rack 42 to move towards the direction of the gear 32 until the second rack is meshed with the gear 32, when the second rack 42 is meshed with the gear 32, the gear 32 can be locked by the second rack 42, and the position of the position limiting assembly 1 is fixed.

Referring to fig. 3 and 5, the position limiting assembly 1 is located above the position limiting plate 84, and 4 position limiting assemblies 1 are equidistantly arranged along the length direction of the second fixing strip 5. Spacing subassembly 1 includes fixed block 11, first lead screw 12, sliding block 13, first knob 15 and stopper 14, and fixed block 11 links to each other with the diapire of second fixed strip 5 is fixed, and fixed block 11 is located the top of limiting plate 84, has seted up sliding tray 91 on the fixed block 11 one side lateral wall that is close to feed table 81, and the length direction of sliding tray 91 is perpendicular with the length direction of limiting plate 84. The first screw rod 12 is installed in the sliding groove 91, and two ends of the first screw rod 12 are respectively connected with two end faces of the sliding groove 91 through rotating bearings in a rotating manner. A first transmission shaft 87 is arranged between the first knob 15 and the first screw rod 12, the first transmission shaft 87 penetrates through the fixed block 11, the first transmission shaft 87 is rotatably connected with the fixed block 11 through a rotating bearing, one end of the first transmission shaft 87 is fixedly connected with one end of the first screw rod 12, and the other end of the first transmission shaft 87 is fixedly connected with the first knob 15. A first threaded connection hole is formed in the sliding block 13, the first screw rod 12 is in threaded fit with the first threaded connection hole, the top wall of the limiting block 14 is fixedly connected with the bottom wall of the sliding block 13, and the side wall, close to the limiting plate 84, of the limiting block 14 is an arc-shaped curved surface. The distance between adjacent stoppers 14 is smaller than the length of the magnetic steel bar 85.

Referring to fig. 3 and 5, when the magnet steel strip 85 needs to be attached to the limiting plate 84, the first knob 15 is rotated, the first knob 15 drives the first transmission shaft 87 to rotate, the first transmission shaft 87 drives the first lead screw 12 to rotate, the first lead screw 12 drives the sliding block 13 to slide in the direction close to the magnet steel strip 85, and the sliding block 13 drives the limiting block 14 to attach the magnet steel strip 85 to the limiting plate 84.

Referring to fig. 3, a mounting block 88 is fixedly connected to the feeding table 81 in a vertical manner, the mounting block 88 is located at one end of the limiting plate 84 far away from the grinding box 82, and one side of the mounting block 88 far away from the limiting plate 84 is fixedly connected with a second cylinder 6 for pushing the magnet steel bar 85 through a bolt. When the magnetic steel bar 85 needs to be sent into the grinding box 82, the second cylinder 6 is started, and the second cylinder 6 can push the magnetic steel bar 85 into the grinding box 82.

Referring to fig. 6 and 7, the grinding box 82 is provided with an adjusting assembly 7, the adjusting assembly 7 includes a second lead screw 71, a second knob 72 and a moving block 73, and a second groove 97 is formed in the bottom wall of the grinding channel 94 along the width direction of the grinding channel 94. The second screw rod 71 is installed in the second groove 97, and two ends of the second screw rod 71 are respectively connected with two end faces of the second groove 97 through rotating bearings in a rotating manner. A second transmission shaft 89 is arranged between the second knob 72 and the second screw rod 71, the second transmission shaft 89 penetrates through the polishing box 82, the second transmission shaft 89 is rotatably connected with the polishing box 82 through a rotating bearing, one end of the second transmission shaft 89 is fixedly connected with one end of the second screw rod 71, and the other end of the second transmission shaft 89 is fixedly connected with the second knob 72. A second threaded connecting hole is formed in the moving block 73, the second lead screw 71 is in threaded fit with the second threaded connecting hole, the moving block 73 is in sliding fit with the second groove 97, and a second limiting strip 822 is fixedly connected to the top wall of the moving block 73. The second stop bar 822 is located on the side of the sharpening passage 94 remote from the first stop bar 821, and the second stop bar 822 is in sliding fit with the bottom wall of the sharpening passage 94.

Referring to fig. 6 and 7, when the gap between the first limit bar 821 and the second limit bar 822 needs to be adjusted, the second knob 72 is rotated, the second knob 72 drives the second transmission shaft 89 to rotate, the second transmission shaft 89 drives the second lead screw 71 to rotate, the second lead screw 71 drives the moving block 73 to slide, the moving block 73 drives the second limit bar 822 to slide, and therefore the gap between the first limit bar 821 and the second limit bar 822 can be adjusted through control.

Referring to fig. 3 and 7, a supporting plate 86 is horizontally and fixedly connected to a side wall of the second groove 97, the supporting plate 86 is located between the first limiting strip 821 and the second limiting strip 822, a top wall of the supporting plate 86 and a bottom wall of the polishing channel 94 are located on the same horizontal plane, a width of the supporting plate 86 is the same as a width of the second groove 97, and a length of the supporting plate 86 is the same as a length between the first limiting strip 821 and the second limiting strip 822.

The implementation principle of a magnetic steel grinding machine feeding mechanism in the embodiment of the application is as follows: when the magnet billet 85 is sent into the case 82 of polishing as required, earlier push magnet billet 85 in first recess 95 from chute feeder 96, rotatory first knob 15, first knob 15 drives first transmission shaft 87 and rotates, first transmission shaft 87 drives first lead screw 12 and rotates, first lead screw 12 drives sliding block 13 and slides, sliding block 13 drives stopper 14 and laminates magnet billet 85 on limiting plate 84, all transfer the back with four positions of stopper 14, start second cylinder 6, the piston rod of second cylinder 6 can push magnet billet 85 and get into and polish in the case 82 of polishing.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a magnet steel grinding machine feed mechanism, is applied to on the magnet steel grinding machine, its characterized in that: the feeding mechanism comprises a plurality of limiting assemblies (1) used for attaching magnetic steel bars (85) to limiting plates (84) and lifting assemblies (3) used for lifting the limiting assemblies (1), the lifting assemblies (3) are used for connecting feeding tables (81) used in cooperation with a magnetic steel grinding machine, the feeding tables (81) are vertically connected with limiting plates (84) used for guiding the magnetic steel bars (85), the limiting assemblies (1) are arranged on the limiting plates (84), the distance between the limiting assemblies (1) is smaller than the length of the magnetic steel bars (85), each limiting assembly (1) comprises a fixing block (11), a first lead screw (12), a sliding block (13), a limiting block (14) and a first knob (15), the fixing block (11) is connected with the lifting assemblies (3), the fixing block (11) is located above the limiting plates (84), a sliding groove (91) is formed in one side wall, close to the feeding tables (81), of the fixing block (11), the length direction of sliding tray (91) is perpendicular with the length direction of limiting plate (84), the length direction of sliding tray (91) is followed in sliding tray (91) in first lead screw (12), the both ends of first lead screw (12) rotate with the both ends terminal surface of sliding tray (91) respectively and link to each other, first knob (15) rotate and set up on the one end terminal surface of fixed block (11), first knob (15) are fixed continuous with first lead screw (12), sliding block (13) threaded connection is on first lead screw (12), sliding block (13) and sliding tray (91) sliding fit, stopper (14) are fixed continuous with sliding block (13).

2. The magnetic steel grinding machine feeding mechanism of claim 1, characterized in that: the side wall of one side of the limiting block (14) close to the limiting plate (84) is an arc-shaped curved surface.

3. The magnetic steel grinding machine feeding mechanism of claim 1, characterized in that: the feeding table (81) is vertically and fixedly connected with a first fixing strip (2), the first fixing strip (2) is located on one side of the limiting plate (84), a cavity (92) is formed in the first fixing strip (2), the first fixing strip (2) is close to one side wall of the limiting plate (84), a lifting groove (93) is formed in the height direction of the first fixing strip (2) and communicated with the cavity (92), the lifting assembly (3) comprises a motor (31), a gear (32) and a first rack (33), the motor (31) is arranged outside the first fixing strip (2), the gear (32) is rotatably installed in the cavity (92), an output shaft of the motor (31) penetrates through the side wall of the first fixing strip (2) and is in key connection with the gear (32), and the first rack (33) is in sliding fit with the lifting groove (93), first rack (33) and gear (32) meshing, fixedly connected with second fixed strip (5) on first rack (33) is close to the one end terminal surface of spacing subassembly (1), the equal fixed connection of fixed block (11) is on second fixed strip (5), still be provided with locking Assembly (4) on first fixed strip (2), locking Assembly (4) link to each other with gear (32).

4. The magnetic steel grinding machine feeding mechanism of claim 3, characterized in that: the locking assembly (4) comprises a second rack (42) and a first air cylinder (41) used for pushing the second rack (42), the first air cylinder (41) is arranged outside the first fixing strip (2), the second rack (42) is arranged in the cavity (92) in a sliding mode, and a piston rod of the first air cylinder (41) penetrates through the side wall of the first fixing strip (2) to be fixedly connected with the second rack (42).

5. The magnetic steel grinding machine feeding mechanism of claim 1, characterized in that: one side of feed table (81) is connected with case (82) of polishing, it is equipped with passageway (94) of polishing along the length direction of limiting plate (84) in case (82) to polish, the length direction who follows limiting plate (84) on feed table (81) offers and is used for first recess (95) with magnet steel strip (85) sliding fit, one side of first fixed strip (2) is kept away from in limiting plate (84) first recess (95), the diapire of first recess (95) and the diapire of passageway (94) of polishing are on same horizontal plane.

6. The magnetic steel grinding machine feeding mechanism of claim 5, characterized in that: the feeding table (81) is provided with a feeding groove (96), the feeding groove (96) is positioned on one side, away from the limiting plate (84), of the first groove (95), and the bottom wall of the feeding groove (96) is arranged in a downward inclined mode from the direction close to the limiting plate (84) to the direction away from the limiting plate (84).

7. The magnetic steel grinding machine feeding mechanism of claim 1, characterized in that: the feeding table (81) is provided with a second cylinder (6) used for pushing the magnetic steel bar (85), and the second cylinder (6) is located at one end, away from the grinding box (82), of the limiting plate (84).

8. The magnetic steel grinding machine feeding mechanism of claim 5, characterized in that: one side of the polishing channel (94) is fixedly connected with a first limiting strip (821), the other side of the polishing channel (94) is connected with a second limiting strip (822) in a sliding mode, a gap for a magnetic steel strip (85) to pass through is reserved between the first limiting strip (821) and the second limiting strip (822), a second groove (97) is formed in the bottom wall of the polishing channel (94) along the width direction of the polishing channel (94), an adjusting component (7) used for adjusting the position of the second limiting strip (822) is arranged in the second groove (97), the adjusting component (7) comprises a second screw rod (71) and a second knob (72), the second screw rod (71) is arranged in the second groove (97) along the length direction of the second groove (97), two ends of the second screw rod (71) are respectively connected to the end faces of two ends of the second groove (97) in a rotating mode, the second knob (72) is rotatably arranged outside the grinding box (82), the second knob (72) is fixedly connected with a second lead screw (71), a moving block (73) is connected to the second lead screw (71) in a threaded manner, and the top wall of the moving block (73) is fixedly connected with the bottom wall of a second limiting strip (822).

9. The magnetic steel grinding machine feeding mechanism of claim 8, characterized in that: the side wall of the second groove (97) is also fixedly connected with a supporting plate (86), the supporting plate (86) is positioned between the first limiting strip (821) and the second limiting strip (822), and the top wall of the supporting plate (86) and the bottom wall of the grinding channel (94) are on the same horizontal plane.