CN112355801A

CN112355801A - Grinding device for hardware machining

Info

Publication number: CN112355801A
Application number: CN202011259460.8A
Authority: CN
Inventors: 王再德; 王胜得; 王琼; 王印
Original assignee: Hunan Jingzhuan Automation Technology Co ltd
Current assignee: Hunan Jingzhuan Automation Technology Co ltd
Priority date: 2020-11-12
Filing date: 2020-11-12
Publication date: 2021-02-12

Abstract

The invention discloses a polishing device for hardware processing, which comprises a force transmission box, wherein a driving roller is rotatably connected between the inner walls of the force transmission box, a first servo motor is fixedly installed at one end, close to the driving roller, of the outer side of the force transmission box, the output end of the first servo motor extends into the force transmission box and is fixedly connected with the driving roller, and a driven roller is rotatably connected between the inner walls of the force transmission box and one end, far away from the driving roller, of the force transmission box, the polishing device has the beneficial effects that: the automatic grinding machine is compact in structure, simple and convenient to operate and high in practicability, the conveying belt and the supporting plate are arranged to be matched to drive the clamping box to move, the third servo motor and the first connecting block are arranged to be matched to limit a workpiece, the grinding assembly is arranged to grind two sides of the workpiece, the limiting groove and the limiting block are arranged to be matched to be beneficial to improving the stability of grinding operation, dust generated by operation is adsorbed by the dust sucking assembly, and the operation quality and the use efficiency are greatly improved compared with those of a traditional device.

Description

Grinding device for hardware machining

Technical Field

The invention belongs to the field of polishing devices, and particularly relates to a polishing device for hardware machining.

Background

In the existing life, the hardware industry plays an immeasurable role in the national economic development, hardware products also become an indispensable industrial link for industrial manufacturing, and only a small part of daily hardware products are tool type consumer products necessary for people's life as matching products, semi-finished products, tools used in the production process and the like of the industrial manufacturing, and the manufacturing industry is the third-class industry in the national economic industry classification of the State statistical Bureau. Which comprises the following steps: production and manufacture of life data, for example: agricultural and sideline products, food and beverage, tobacco, textile and clothing leather, wood and furniture, printing and cultural and literature articles, medicine manufacturing and the like; production data, for example: petrochemical industry, chemical fiber, rubber plastics, non-metal product manufacturing, metal smelting and processing, metal product manufacturing, general equipment manufacturing, industry special equipment manufacturing, transportation equipment manufacturing, electrical equipment, communication electronics and the like, related products in the categories of metal products in the manufacturing industry, general parts in the general equipment manufacturing and the like form small hardware in the general meaning, the small hardware and the manufacturing industry are inseparable whole bodies which are mutually interwoven, workpieces are often required to be polished in the processing process of hardware tools, the traditional polishing device for painting hardware processing has complex processing steps in the using process, cannot uniformly polish the workpieces, and is difficult to meet the requirements of modern life and production.

The invention content is as follows:

the present invention is directed to a grinding device for hardware processing, which solves the above problems.

In order to solve the above problems, the present invention provides a technical solution:

a polishing device for hardware processing comprises a force transmission box, wherein a driving roller is rotatably connected between the inner walls of the force transmission box, a first servo motor is fixedly installed at one end, close to the driving roller, of the outer side of the force transmission box, the output end of the first servo motor extends into the force transmission box and is fixedly connected with the driving roller, a driven roller is rotatably connected between the inner walls of the force transmission box and one end, far away from the driving roller, of the force transmission box, the driving roller is connected with the driven roller through a conveyor belt in a transmission manner, a supporting plate is fixedly installed at the top of the conveyor belt, a clamping box is fixedly installed at the top of the supporting plate, a bidirectional lead screw is rotatably connected between the inner walls of the clamping box, a first connecting block is in threaded connection with one end of the outer side of the bidirectional lead screw, a second connecting block is in threaded connection with one end of the outer side of the bidirectional lead, a mounting groove is formed in one side of the clamping box, a second fixing plate is connected to the inside of the mounting groove in a sliding manner, the second fixing plate is fixedly connected with a first connecting block, a first protection box is fixedly mounted at the top of the second fixing plate, a second servo motor is fixedly mounted between the inner walls of the first protection box, the output end of the second servo motor extends to the bottom of the second fixing plate, a second clamping plate is fixedly mounted at the bottom of the second fixing plate, the second clamping plate is rotatably connected with the second fixing plate, a first fixing plate is slidably connected to the inside of the mounting groove and is positioned below the second fixing plate, the first fixing plate is fixedly connected with a second connecting block, a rotating block is fixedly mounted at one end of the top of the first fixing plate, a first clamping plate is rotatably connected to the top of the rotating block, and a second mounting plate is fixedly mounted at one side of the, the top of second mounting panel is equipped with inhales grey subassembly, pass power box top and keep away from the one end of backup pad and be equipped with the subassembly of polishing.

As preferred, inhale grey subassembly including the drawer, inhale grey groove, filter screen, air outlet, mounting box, ash storage box, fan and handle, the top fixed mounting of second mounting panel has ash storage box, ash storage box's inside sliding connection has the drawer, the outside fixed mounting of drawer has the handle, ash storage box inner wall's top fixed mounting has the mounting box, the air outlet has been seted up to one side of mounting box, the inside fixed mounting of air outlet has the filter screen, the inside fixed mounting of mounting box has the fan, the output of fan extends to the outside of ash storage box, ash storage box keeps away from one side equidistance of mounting box and has seted up and inhale grey groove.

Preferably, the polishing assembly comprises a first lead screw, a third connecting block, a second fixing block, a fifth servo motor, a fourth protective box, a sixth servo motor, a polishing wheel, a connecting plate, a second lead screw, a third fixing block, a polishing box, a third protective box, a fourth servo motor, a positioning plate, a first positioning groove, a control panel and a second positioning groove, the polishing box is fixedly mounted at the top of the force transmission box and at one end far away from the supporting plate, the first positioning groove is formed in one side, close to the clamping box, of the polishing box, the control panel is fixedly mounted on the outer side of the polishing box, the positioning plate is fixedly mounted between the inner walls of the polishing box, the second positioning groove is formed in the positioning plate, the connecting plate is connected to the inner portion of the second positioning groove in a sliding manner, the third connecting block is fixedly mounted at the top of the connecting plate, and the top of the third connecting block is connected with the polishing, a first lead screw is rotatably connected between the inner walls of the grinding box and above the positioning plate, a third protection box is fixedly mounted at one end, close to the first lead screw, of the outer side of the grinding box, a fourth servo motor is fixedly mounted inside the third protection box, the output end of the fourth servo motor extends into the grinding box and is fixedly connected with the first lead screw, the outer side of the first lead screw is in threaded connection with a third connecting block, a second fixing block is fixedly mounted at the top of the outer side of the connecting plate, a third fixing block is fixedly mounted at one end, far away from the second fixing block, of the outer side of the connecting plate, a second lead screw is rotatably connected between one sides, close to the second fixing block and the third fixing block, a fourth protection box is in threaded connection with the outer side of the second lead screw, the outer side of the fourth protection box is in sliding connection with the connecting plate, and a sixth servo motor is fixedly connected inside the fourth protection box, and the output end of the sixth servo motor extends to the outer side of the fourth protection box and is fixedly provided with a grinding wheel.

As preferred, one side fixed mounting of centre gripping box has first mounting panel, one side fixed mounting that the centre gripping box was kept away from to first mounting panel has first fixed block, one side fixed mounting that first mounting panel was kept away from to first fixed block has the bracing piece, the bottom and the backup pad fixed connection of bracing piece.

Preferably, a second anti-skid pad is fixedly mounted on one side, close to the first clamping plate, of the second clamping plate.

Preferably, the heat dissipation seams are formed in the outer sides of the first protection box, the second protection box, the third protection box and the fourth protection box at equal intervals.

Preferably, four corners of the bottom of the force transmission box are fixedly provided with supporting legs, and the bottoms of the four supporting legs are fixedly provided with first anti-skid pads.

Preferably, the bottom of the grinding box is provided with a limiting groove, the inside of the limiting groove is connected with a limiting block in a sliding mode, and the top of the limiting block is fixedly connected with the connecting plate.

Preferably, the first servo motor, the second servo motor, the third servo motor, the fan, the fourth servo motor, the fifth servo motor and the sixth servo motor are all electrically connected with the control panel.

The invention has the beneficial effects that: the automatic grinding machine is compact in structure, simple and convenient to operate and high in practicability, the conveying belt and the supporting plate are arranged to be matched to drive the clamping box to move, the third servo motor and the first connecting block are arranged to be matched to limit a workpiece, the grinding assembly is arranged to grind two sides of the workpiece, the limiting groove and the limiting block are arranged to be matched to be beneficial to improving the stability of grinding operation, dust generated by operation is adsorbed by the dust sucking assembly, and the operation quality and the use efficiency are greatly improved compared with those of a traditional device.

Description of the drawings:

for ease of illustration, the invention is described in detail by the following detailed description and the accompanying drawings.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is a schematic view of the internal structure of the ash storage box of the present invention;

FIG. 4 is a schematic side view of the ash storage box of the present invention;

FIG. 5 is a schematic view of the internal structure of the grinding box of the present invention;

fig. 6 is a schematic side view of the grinding box of the present invention.

In the figure: 1. a first connection block; 2. mounting grooves; 3. a first mounting plate; 4. a first fixed block; 5. a support bar; 6. a support plate; 7. a conveyor belt; 8. a drive roll; 9. a first servo motor; 10. a force transfer box; 11. supporting legs; 12. a first non-slip mat; 13. a clamping box; 14. a bidirectional screw rod; 15. a second connecting block; 16. a first fixing plate; 17. rotating the block; 18. a first clamping plate; 19. a second non-slip mat; 20. a driven roller; 21. a drawer; 22. a control panel; 23. grinding a box; 24. a dust suction assembly; 25. an ash absorption groove; 26. a dust storage box; 27. a second clamping plate; 28. a second fixing plate; 29. a second servo motor; 30. a first protective case; 31. a second protective case; 32. a third servo motor; 33. heat dissipation seams; 34. a fan; 35. polishing the assembly; 36. a second mounting plate; 37. a filter screen; 38. an air outlet; 39. mounting a box; 40. a handle; 41. a first positioning groove; 42. a third protection box; 43. a fourth servo motor; 44. positioning a plate; 45. a first lead screw; 46. a third connecting block; 47. a second fixed block; 48. a fifth servo motor; 49. a fourth protective case; 50. a sixth servo motor; 51. grinding the wheel; 52. a connecting plate; 53. a limiting block; 54. a second lead screw; 55. a third fixed block; 56. a limiting groove; 57. a second positioning groove.

The specific implementation mode is as follows:

as shown in fig. 1 to 6, the following technical solutions are adopted in the specific embodiment of the present invention:

example (b):

a polishing device for hardware processing comprises a force transmission box 10, a driving roller 8 is rotatably connected between the inner walls of the force transmission box 10, a first servo motor 9 is fixedly installed at one end, close to the driving roller 8, of the outer side of the force transmission box 10, the output end of the first servo motor 9 extends into the force transmission box 10 and is fixedly connected with the driving roller 8, a driven roller 20 is rotatably connected between the inner walls of the force transmission box 10 and is far away from the driving roller 8, the driving roller 8 is in transmission connection with the driven roller 20 through a conveyor belt 7, a support plate 6 is fixedly installed at the top of the conveyor belt 7, a clamping box 13 is fixedly installed at the top of the support plate 6, a bidirectional screw rod 14 is rotatably connected between the inner walls of the clamping box 13, a first connecting block 1 is in threaded connection with one end of the outer side of the bidirectional screw rod 14, a second connecting block 15 is in threaded connection with one end of the outer side of the bidirectional screw rod, one side of the clamping box 13 is provided with a mounting groove 2, the inside of the mounting groove 2 is connected with a second fixing plate 28 in a sliding manner, the second fixing plate 28 is fixedly connected with a first connecting block 1, the top of the second fixing plate 28 is fixedly provided with a first protection box 30, a second servo motor 29 is fixedly arranged between the inner walls of the first protection box 30, the output end of the second servo motor 29 extends to the bottom of the second fixing plate 28 and is fixedly provided with a second clamping plate 27, the second clamping plate 27 is rotatably connected with the second fixing plate 28, the inside of the mounting groove 2 is connected with a first fixing plate 16 below the second fixing plate 28 in a sliding manner, the first fixing plate 16 is fixedly connected with a second connecting block 15, one end of the top of the first fixing plate 16 is fixedly provided with a rotating block 17, the top of the rotating block 17 is rotatably connected with a first clamping plate 18, one side of the top of the force transmission box, the top of the second mounting plate 36 is provided with the dust sucking assembly 24, and the end of the top of the force transmission box 10 far away from the support plate 6 is provided with the grinding assembly 35.

Wherein, inhale grey subassembly 24 including drawer 21, inhale grey groove 25, filter screen 37, air outlet 38, mounting box 39, ash storage box 26, fan 34 and handle 40, the top fixed mounting of second mounting panel 36 has ash storage box 26, ash storage box 26's inside sliding connection has drawer 21, drawer 21's outside fixed mounting has handle 40, the top fixed mounting of ash storage box 26 inner wall has mounting box 39, air outlet 38 has been seted up to one side of mounting box 39, the inside fixed mounting of air outlet 38 has filter screen 37, mounting box 39's inside fixed mounting has fan 34, fan 34's output extends to ash storage box 26's the outside, ash storage box 26 keeps away from one side equidistance of mounting box 39 and has seted up and has inhaled grey groove 25.

Wherein, the polishing component 35 comprises a first screw rod 45, a third connecting block 46, a second fixing block 47, a fifth servo motor 48, a fourth protection box 49, a sixth servo motor 50, a polishing wheel 51, a connecting plate 52, a second screw rod 54, a third fixing block 55, a polishing box 23, a third protection box 42, a fourth servo motor 43, a positioning plate 44, a first positioning groove 41, a control panel 22 and a second positioning groove 57, one end of the top of the force transmission box 10 far away from the supporting plate 6 is fixedly provided with the polishing box 23, one side of the polishing box 23 near the clamping box 13 is provided with the first positioning groove 41, the outer side of the polishing box 23 is fixedly provided with the control panel 22, the positioning plate 44 is fixedly arranged between the inner walls of the polishing box 23, the inside of the positioning plate 44 is provided with the second positioning groove 57, the inside of the second positioning groove 57 is slidably connected with the connecting plate 52, the top of the connecting plate 52 is fixedly provided with the, the top of the third connecting block 46 is connected with the polishing box 23 in a sliding manner, a first screw rod 45 is rotatably connected between the inner walls of the polishing box 23 and above the positioning plate 44, a third protection box 42 is fixedly installed at one end, close to the first screw rod 45, of the outer side of the polishing box 23, a fourth servo motor 43 is fixedly installed inside the third protection box 42, the output end of the fourth servo motor 43 extends into the polishing box 23 and is fixedly connected with the first screw rod 45, the outer side of the first screw rod 45 is connected with the third connecting block 46 in a threaded manner, a second fixing block 47 is fixedly installed at the top of the outer side of the connecting plate 52, a third fixing block 55 is fixedly installed at one end, far away from the second fixing block 47, of the outer side of the connecting plate 52, a second screw rod 54 is rotatably connected between the sides, close to the second screw rod 47 and the third fixing block 55, a fourth protection box 49 is connected with the outer side of the second screw rod 54, and the, the inside fixedly connected with sixth servo motor 50 of fourth protection box 49, the output of sixth servo motor 50 extend to the outside of fourth protection box 49 and fixed mounting has the wheel 51 of polishing.

Wherein, one side fixed mounting of centre gripping box 13 has first mounting panel 3, and one side fixed mounting that centre gripping box 13 was kept away from to first mounting panel 3 has first fixed block 4, and one side fixed mounting that first mounting panel 3 was kept away from to first fixed block 4 has bracing piece 5, the bottom and the backup pad 6 fixed connection of bracing piece 5.

Wherein, a second antiskid pad 19 is fixedly arranged on one side of the second clamping plate 27 close to the first clamping plate 18.

Wherein, the heat dissipation seams 33 are equally spaced outside the first protection box 30, the second protection box 31, the third protection box 42 and the fourth protection box 49.

Wherein, the equal fixed mounting in four corners of biography power box 10 bottom has supporting leg 11, and the equal fixed mounting in bottom of four supporting legs 11 has first slipmat 12.

Wherein, spacing groove 56 has been seted up to the bottom of case 23 of polishing, and the inside sliding connection of spacing groove 56 has stopper 53, stopper 53's top and connecting plate 52 fixed connection.

The first servo motor 9, the second servo motor 29, the third servo motor 32, the fan 34, the fourth servo motor 43, the fifth servo motor 48 and the sixth servo motor 50 are electrically connected to the control panel 22.

Specifically, when the device is used, the device is powered on, the bottom of a workpiece to be processed is placed at the top of the first clamping plate 18, the control panel 22 controls the third servo motor 32 to be started to drive the second clamping plate 27 to move downwards to limit the workpiece, the arrangement of the two second anti-slip pads 19 is beneficial to improving the clamping efficiency of the workpiece, the arrangement of the support rod 5 is beneficial to improving the overall stability of the device, after the workpiece is clamped, the control panel 22 controls the first servo motor 9 to be started to drive the conveyor belt 7 to move, so that the workpiece is driven to move to the inside of the grinding box 23, then the sixth servo motor 50 is started to drive the grinding wheel 51 to rotate to grind the surface of the workpiece, the fourth servo motor 43 is matched with the first lead screw 45 to drive the grinding wheel 51 to move in the horizontal direction, the fifth servo motor 48 is matched with the second lead screw 54 to drive the grinding wheel 51 to move in, the work piece of polishing operation that can be better, after the work piece single face was polished and is accomplished, second servo motor 29 drove second grip block 27 and work piece upset to polish the work piece two-sided, fan 34 is collected the dust that the operation produced to drawer 21 through inhaling ash chute 25 simultaneously, very big improvement operating quality and availability factor than traditional device.

While there have been shown and described what are at present considered to be the fundamental principles of the invention and its essential features and advantages, it will be understood by those skilled in the art that the invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.

Claims

1. The grinding device for hardware processing comprises a force transmission box (10) and is characterized in that a driving roller (8) is connected between the inner walls of the force transmission box (10) in a rotating mode, a first servo motor (9) is fixedly installed at one end, close to the driving roller (8), of the outer side of the force transmission box (10), the output end of the first servo motor (9) extends to the inside of the force transmission box (10) and is fixedly connected with the driving roller (8), a driven roller (20) is rotatably connected with one end, far away from the driving roller (8), of the inner walls of the force transmission box (10), the driving roller (8) and the driven roller (20) are connected through a conveying belt (7) in a transmission mode, a supporting plate (6) is fixedly installed at the top of the conveying belt (7), a clamping box (13) is fixedly installed at the top of the supporting plate (6), and a bidirectional screw rod (14) is rotatably connected between the, the outer side of the bidirectional screw rod (14) is in threaded connection with a first connecting block (1), the outer side of the bidirectional screw rod (14) is far away from the first connecting block (1), one end of the bidirectional screw rod (14) is in threaded connection with a second connecting block (15), the outer sides of the first connecting block (1) and the second connecting block (15) are in sliding connection with a clamping box (13), one side of the clamping box (13) is provided with a mounting groove (2), the inside of the mounting groove (2) is in sliding connection with a second fixing plate (28), the second fixing plate (28) is fixedly connected with the first connecting block (1), the top of the second fixing plate (28) is fixedly provided with a first protective box (30), a second servo motor (29) is fixedly arranged between the inner walls of the first protective box (30), the output end of the second servo motor (29) extends to the bottom of the second fixing plate (28) and is fixedly provided with a second clamping plate (27), second grip block (27) rotate with second fixed plate (28) to be connected, the inside below sliding connection that just is located second fixed plate (28) of mounting groove (2) has first fixed plate (16), first fixed plate (16) and second connecting block (15) fixed connection, the one end fixed mounting at first fixed plate (16) top has turning block (17), the top of turning block (17) is rotated and is connected with first grip block (18), one side fixed mounting at biography power box (10) top has second mounting panel (36), the top of second mounting panel (36) is equipped with inhales grey subassembly (24), the one end that passes power box (10) top and keep away from backup pad (6) is equipped with polishing assembly (35).

2. The grinding device for hardware processing as claimed in claim 1, wherein the dust suction assembly (24) comprises a drawer (21), a dust suction groove (25), a filter screen (37), an air outlet (38), a mounting box (39), a dust storage box (26), a fan (34) and a handle (40), the dust storage box (26) is fixedly mounted at the top of the second mounting plate (36), the drawer (21) is slidably connected to the inside of the dust storage box (26), the handle (40) is fixedly mounted at the outer side of the drawer (21), the mounting box (39) is fixedly mounted at the top of the inner wall of the dust storage box (26), the air outlet (38) is formed in one side of the mounting box (39), the filter screen (37) is fixedly mounted inside the air outlet (38), the fan (34) is fixedly mounted inside the mounting box (39), and the output end of the fan (34) extends to the outer side of the dust storage box (26), and dust absorption grooves (25) are formed in one side, far away from the mounting box (39), of the dust storage box (26) at equal intervals.

3. The grinding device for hardware processing according to claim 2, wherein the grinding component (35) comprises a first screw rod (45), a third connecting block (46), a second fixing block (47), a fifth servo motor (48), a fourth protection box (49), a sixth servo motor (50), a grinding wheel (51), a connecting plate (52), a second screw rod (54), a third fixing block (55), a grinding box (23), a third protection box (42), a fourth servo motor (43), a positioning plate (44), a first positioning groove (41), a control panel (22) and a second positioning groove (57), the grinding box (23) is fixedly installed at the top of the force transmission box (10) and at one end far away from the supporting plate (6), the first positioning groove (41) is installed at one side of the grinding box (23) close to the clamping box (13), and the control panel (22) is fixedly installed at the outer side of the grinding box (23), a positioning plate (44) is fixedly mounted between the inner walls of the grinding box (23), a second positioning groove (57) is formed in the positioning plate (44), a connecting plate (52) is connected to the inner portion of the second positioning groove (57) in a sliding manner, a third connecting block (46) is fixedly mounted at the top of the connecting plate (52), the top of the third connecting block (46) is connected with the grinding box (23) in a sliding manner, a first lead screw (45) is rotatably connected between the inner walls of the grinding box (23) and above the positioning plate (44), a third protection box (42) is fixedly mounted at one end, close to the first lead screw (45), of the outer side of the grinding box (23), a fourth servo motor (43) is fixedly mounted inside the third protection box (42), and the output end of the fourth servo motor (43) extends to the inner portion of the grinding box (23) and is fixedly connected with the first lead screw (45), the outside and the third connecting block (46) threaded connection of first lead screw (45), the top fixed mounting in connecting plate (52) outside has second fixed block (47), the one end fixed mounting that just keeps away from second fixed block (47) in connecting plate (52) outside has third fixed block (55), rotate between the one side that second fixed block (47) and third fixed block (55) are close to mutually and be connected with second lead screw (54), the outside threaded connection of second lead screw (54) has fourth protection box (49), the outside and the connecting plate (52) sliding connection of fourth protection box (49), the inside fixedly connected with sixth servo motor (50) of fourth protection box (49), the output of sixth servo motor (50) extends to the fourth protection box (49) outside and fixed mounting has polishing wheel (51).

4. The grinding device for hardware processing according to claim 1, characterized in that one side fixed mounting of centre gripping box (13) has first mounting panel (3), one side fixed mounting that centre gripping box (13) was kept away from in first mounting panel (3) has first fixed block (4), one side fixed mounting that first mounting panel (3) was kept away from in first fixed block (4) has bracing piece (5), the bottom and backup pad (6) fixed connection of bracing piece (5).

5. The grinding device for hardware processing as claimed in claim 1, characterized in that a second anti-skid pad (19) is fixedly mounted on one side of the second clamping plate (27) close to the first clamping plate (18).

6. The grinding device for hardware processing as claimed in claim 3, wherein the first protection box (30), the second protection box (31), the third protection box (42) and the fourth protection box (49) are provided with heat dissipation seams (33) at equal intervals on the outer sides.

7. The grinding device for hardware processing as claimed in claim 1, characterized in that four corners of the bottom of the force transmission box (10) are fixedly provided with supporting legs (11), and the bottoms of the four supporting legs (11) are fixedly provided with first anti-skid pads (12).

8. The grinding device for hardware processing as claimed in claim 3, wherein a limiting groove (56) is formed in the bottom of the grinding box (23), a limiting block (53) is slidably connected to the inside of the limiting groove (56), and the top of the limiting block (53) is fixedly connected with the connecting plate (52).

9. The grinding device for hardware processing as claimed in claim 3, wherein the first servo motor (9), the second servo motor (29), the third servo motor (32), the fan (34), the fourth servo motor (43), the fifth servo motor (48) and the sixth servo motor (50) are all electrically connected with the control panel (22).