CN221211144U

CN221211144U - Accurate grinding cutting edge equipment for upper cutter of flat head buttonholing machine

Info

Publication number: CN221211144U
Application number: CN202323263160.9U
Authority: CN
Inventors: 邱少君; 高魏; 徐松涛; 韩伟泽; 张学忠
Original assignee: Strong H Machinery Technology Co ltd
Current assignee: Strong H Machinery Technology Co ltd
Priority date: 2023-12-01
Filing date: 2023-12-01
Publication date: 2024-06-25
Anticipated expiration: 2033-12-01

Abstract

The utility model relates to the technical field of blade processing, in particular to a fine grinding cutting edge device for an upper blade of a flat-head buttonholing machine, which comprises a processing unit, wherein the processing unit comprises a rotary workbench, three knife sharpening beds are arranged on a machine body of the rotary workbench, and at least four blade clamps are uniformly distributed on a turntable of the rotary workbench; the three knife sharpening beds sequentially process the blades on the blade clamp in different procedures; the blade clamp comprises a positioning block, a support and a compacting plate, a right-angle boss for limiting the blade is arranged at the top end of the positioning block, and the compacting plate is hinged to the top of the support; one end of the pressing plate is used for pressing the blade, the other end of the pressing plate is hinged with a pressing rod, the pressing rod vertically penetrates through the rotary table in a sliding mode, and a compression spring is arranged between the top of the pressing rod and the rotary table. The improved blade clamp is convenient for clamping the blade once, the position is accurate, and meanwhile, the three sharpening beds are adopted to finish the processing of a plurality of people simultaneously, so that the production efficiency is improved.

Description

Accurate grinding cutting edge equipment for upper cutter of flat head buttonholing machine

Technical Field

The utility model relates to the technical field of blade processing, in particular to a fine grinding cutting edge device for an upper blade of a flat buttonholing machine.

Background

As shown in fig. 1 and 2, the upper blade used in the existing flat buttonholing machine comprises a shifting fork part and a blade part, wherein the blade part is provided with a 13-degree inclined plane, a 45-degree blade, a front tip, a side blade and a rear tip, the 13-degree inclined plane is called an inclined plane for short, the 45-degree blade is called a front blade for short, and the root part where the inclined plane, the front blade and the side surface of the front tip intersect needs back chipping treatment. The machining process of the upper blade is divided into 6 steps, and sequentially comprises an inclined plane process, a front blade process, a back chipping process, a front tip process, a side blade process and a rear tip process, 6 sharpening beds are occupied, 6 workers operate and machine, and each step needs to clamp and position the upper blade by using a clamp. Finally, the machined upper blade is transferred to a deburring workshop, a deburring machine is operated by a worker, and manual deburring is performed through a rotating disc brush. The whole processing process occupies more personnel and has low processing efficiency. In order to reduce the labor cost and improve the production efficiency, special machine improvement is required for the processing procedure.

Disclosure of utility model

The utility model aims to overcome the defects and shortcomings in the prior art, and provides a fine grinding cutting edge device for an upper cutter of a flat head buttonholing machine, which can improve the production efficiency of a blade and reduce the production cost.

In order to achieve the above purpose, the utility model provides a fine grinding cutting edge device for an upper cutter of a flat head buttonholing machine, which comprises a processing unit, wherein the processing unit comprises a rotary workbench, three knife sharpening beds are arranged on a machine body of the rotary workbench, and at least four blade clamps are uniformly distributed on a turntable of the rotary workbench; the three knife sharpening beds sequentially process the blades on the blade clamp in different procedures;

The blade clamp comprises a positioning block, a support and a compacting plate, wherein a right-angle boss for limiting the blade is arranged at the top end of the positioning block, and the compacting plate is hinged to the top of the support; one end of the pressing plate is used for pressing the blade, the other end of the pressing plate is hinged with a pressing rod, the pressing rod vertically penetrates through the rotary table in a sliding mode, and a compression spring is arranged between the top of the pressing rod and the rotary table.

Further, the processing unit further comprises a manipulator A and a manipulator B which are arranged on the machine body and used for clamping the blade; one side of each of the manipulator A and the manipulator B is provided with a loosening assembly; the loosening assembly comprises a bracket A, a loosening rod hinged to the top of the bracket A and a vertical air cylinder driving the loosening rod to rotate, wherein the cylinder body of the vertical air cylinder is hinged to the bracket A, and the push rod of the vertical air cylinder is hinged to the loosening rod; one end of the loosening rod is connected with a push rod in a threaded manner, and the push rod is used for pressing the compacting plate and enabling the blade to be in a loosening state.

Further, the number of the processing units is two, and a belt conveyor A for conveying the blades is connected between the two processing units; two of the processing units are used for completing the processing of the blade.

Further, the fine grinding cutting edge device also comprises a deburring mechanism and a vibration disc for feeding; the deburring mechanism comprises a fixed seat, wherein a manipulator C, a manipulator D and a vertical seat are arranged on the fixed seat, and a discharging table A and a discharging table B are respectively arranged at two ends of the vertical seat; the polishing device comprises a vertical seat, a polishing disc, a driving assembly and a motor A, wherein the vertical seat is rotationally connected with the polishing disc, the two polishing discs are driven to rotate through the driving assembly, the driving assembly comprises a mounting seat, two meshed gears are rotationally connected to the mounting seat, the gears and the corresponding polishing discs are in belt transmission, and one gear is driven through the motor A; the outer side of the manipulator D is provided with a belt conveyor B; the manipulator C is used for clamping the blade on the discharging platform A and placing the blade on the discharging platform B after passing through the two polishing discs; the manipulator D is used for clamping the blade on the discharging table B and placing the blade on the belt conveyor B.

Further, manipulator A includes the stand, be equipped with the straight line cylinder that is used for driving vertical biax cylinder A lateral shifting on the stand, biax cylinder A's output is equipped with fore-and-aft biax cylinder B, biax cylinder B's output is equipped with horizontal revolving cylinder A, revolving cylinder A's output is equipped with two vacuum suction nozzles.

Further, the manipulator D and the manipulator B both comprise a support B, a double-shaft cylinder C for driving the rotary cylinder B to vertically move is arranged on the support B, a swing arm is arranged on the rotary cylinder B, a finger cylinder is arranged on the swing arm, and a clamping jaw A for clamping the blade is arranged on the finger cylinder.

Further, the belt conveyor B and the belt conveyor A both comprise a cross beam with supporting legs, two ends of the cross beam are rotatably connected with belt wheels A driven by a synchronous belt A, and a motor B for driving one belt wheel A to rotate is further arranged on the cross beam.

Further, the manipulator C comprises a sliding seat A driven longitudinally by a synchronous belt mechanism A, and a sliding seat B driven transversely by a synchronous belt mechanism B is arranged on the sliding seat A; the sliding seat B is provided with a rotary table driven to rotate by a synchronous belt mechanism C, the rotary table is provided with a clamping seat, the clamping seat is hinged with two clamping handles which are opened and closed by a pushing cylinder, and a connecting rod is hinged between the clamping handles and a push rod of the pushing cylinder; the synchronous belt mechanism A and the synchronous belt mechanism B both comprise belt wheels B which are rotatably connected at two ends of the seat body and are driven by the synchronous belt B, and one belt wheel B is driven to rotate by a motor C; the sliding seat A and the sliding seat B are fixedly connected with the corresponding synchronous belt B through synchronous belt clamps; the sliding seat A and the sliding seat B are respectively provided with a sliding block, the sliding blocks are provided with matched linear guide rails, and the linear guide rails are fixed in the corresponding seats; the synchronous belt mechanism C comprises two belt pulleys C driven by the synchronous belt C, one belt pulley C is coaxially connected with the turntable, and the other belt pulley C is coaxially connected with a motor D arranged on the sliding seat B.

Further, one side of manipulator A still is equipped with spacing subassembly, spacing subassembly is including setting up biax cylinder D at support C top, biax cylinder D's output is equipped with the liftout board, the liftout board is used for making the blade paste and lean on the inboard of right angle boss.

Further, the input end of the synchronous belt A is provided with a photoelectric sensor for detecting the blade, the output end of the synchronous belt A is provided with a limiting plate, a horn mouth is formed in the middle of the limiting plate, a pointed boss is arranged at the root of the horn mouth, and the pointed boss can be embedded into a shifting fork part of the blade.

Compared with the prior art, the utility model has the beneficial effects that: by integrating the existing three knife sharpening beds on the rotary workbench, all working procedures can be processed simultaneously, and the production efficiency is improved; the improved blade clamp can clamp and position at one time, reduces clamping errors and has more stable size; the whole is automatically processed by one device instead of the original multi-man multi-machine processing, so that the labor cost is greatly reduced.

Drawings

Fig. 1 is a schematic diagram of the top structure of a conventional blade.

Fig. 2 is a bottom-end view of fig. 1.

Fig. 3 is a schematic structural view of the present utility model.

Fig. 4 is a schematic view of the structure of the blade holder of fig. 3.

Fig. 5 is a schematic structural diagram of the manipulator B in fig. 3.

Fig. 6 is a schematic view of another structure of the manipulator B in fig. 3.

Fig. 7 is a schematic structural diagram of the manipulator a14 in fig. 3.

Fig. 8 is a partial view of fig. 7.

Fig. 9 is a schematic diagram of the belt conveyor a in fig. 3.

Fig. 10 is a schematic view of the deburring mechanism of fig. 3.

Fig. 11 is a schematic structural view of the manipulator C in fig. 10.

Wherein: 1. a processing unit; 2. a limit component; 3. a vibration plate; 4. a blade clamp; 5. a belt conveyor A; 6. a deburring mechanism; 7. a drive assembly; 11. a body; 12. a turntable; 13. sharpening bed; 14. a manipulator A; 15. a manipulator B; 21. a bracket C; 22. a double-shaft cylinder D; 23. a liftout plate; 41. a positioning block; 42. a right-angle boss; 43. a support; 44. a compacting plate; 45. a compression bar; 46. a compression spring; 47. a pressing part; 51. a cross beam; 52. a synchronous belt A; 53. a belt wheel A; 54. a motor B; 55. support legs; 56. a photoelectric sensor; 57. a limiting plate; 58. a pointed boss; a fixing seat; 62. a manipulator C; 63. a manipulator D; 64. a belt conveyor B; 65. a vertical seat; 66. a discharging table A; 67. a discharging table B; 68. polishing the disc; 71. a mounting base; 72. a gear; 73. a motor A; 74. a rope belt; 141. a column; 142. a straight line cylinder; 143. a double-shaft air cylinder A; 144. a double-shaft cylinder B; 145. a rotary cylinder A; 146. a vacuum suction nozzle; 151. a bracket A; 152. a slack lever; 153. a vertical cylinder; 154. a push rod; 155. a bracket B; 156. a biaxial cylinder C; 157. a rotary cylinder B; 158. swing arms; 159. a finger cylinder; 621. a sliding seat A; 622. a sliding seat B; 623. a turntable; 624. a pushing cylinder; 625. a clamping seat; 626. a connecting rod; 627. clamping handles, 628, linear guide rails; 629. a sliding block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Examples

Referring to fig. 3 to 11, the present utility model provides a fine grinding cutting edge device for an upper cutter of a buttonholing machine, which comprises a processing unit 1, wherein the processing unit 1 comprises a rotary workbench, a machine body 11 of the rotary workbench is provided with three sharpening beds 13, and a turntable 12 of the rotary workbench is uniformly provided with at least four blade clamps 4; the three sharpening beds 13 sequentially process the blades on the blade clamp 4 in different procedures;

The blade clamp 4 comprises a positioning block 41, a support 43 and a pressing plate 44, wherein a right-angle boss 42 for limiting the blade is arranged at the top end of the positioning block 41, and the pressing plate 44 is hinged to the top of the support 43; one end of the pressing plate 44 is used for pressing the blade, the other end is hinged with a pressing rod 45, the pressing rod 45 vertically penetrates through the rotary table 12 in a sliding mode, and a compression spring 46 is arranged between the top of the pressing rod 45 and the rotary table 12.

The right-angle boss 42 can be mounted on the positioning block 41 in a bolt assembly mode; the pressing plate 44 is provided with a pressing portion 47 at one end of the pressing rod 45 to increase a contact area for easy operation.

By the action of the compression spring 46 in the blade clamp 4, the quick feeding and taking of materials by workers are facilitated. The existing three sharpening beds 13 are integrated on the rotary workbench, so that three working procedures can be performed on the blade at one time, and the production efficiency is improved.

As an embodiment of the present utility model, the machining unit 1 further includes a robot arm a14 and a robot arm B15 provided on the machine body 11 for gripping the blade; one side of each of the manipulator A14 and the manipulator B15 is provided with a loosening component; the loosening assembly comprises a bracket A151, a loosening rod 152 hinged to the top of the bracket A151 and a vertical air cylinder 153 for driving the loosening rod 152 to rotate, wherein the cylinder body of the vertical air cylinder 153 is hinged with the bracket A151, and the push rod of the vertical air cylinder 153 is hinged with the loosening rod 152; one end of the loosening rod 152 is threadedly coupled with a push rod 154, and the push rod 154 is used to press the compacting plate 44 and to loosen the blade.

The transfer of the blade is carried out through the manipulator A14 and the manipulator B15, so that the production efficiency is further improved, and the labor cost is reduced.

The robots a14 and B15 may be existing industrial robots.

Specifically, the manipulator a14 includes a column 141, a linear cylinder 142 for driving a vertical double-shaft cylinder a143 to move transversely is disposed on the column 141, a longitudinal double-shaft cylinder B144 is disposed at an output end of the double-shaft cylinder a143, a transverse rotary cylinder a145 is disposed at an output end of the double-shaft cylinder B144, and two vacuum suction nozzles 146 are disposed at an output end of the rotary cylinder a 145.

The manipulator B15 comprises a support B155, a double-shaft air cylinder C156 for driving a rotary air cylinder B157 to vertically move is arranged on the support B155, a swing arm 158 is arranged on the rotary air cylinder B157, a finger air cylinder 159 is arranged on the swing arm 158, and a clamping jaw A for clamping a blade is arranged on the finger air cylinder 159.

As shown in fig. 6, the number of swing arms 158 is two to realize alternate blade removal and improve production efficiency.

As one embodiment of the utility model, the number of the processing units 1 is two, and a belt conveyor A5 for conveying the blades is connected between the two processing units 1; two machining units 1 are used to complete the machining of the blade. Therefore, the automatic production and processing of the blade are realized, and the labor cost is reduced.

As an embodiment of the utility model, on the basis of the two processing units 1 described above, the fine grinding edge device further comprises a deburring mechanism 6 and a vibrating disc 3 for feeding; the deburring mechanism 6 comprises a fixed seat 61, a manipulator C62, a manipulator D63 and a stand 65 are arranged on the fixed seat 61, and a discharging table A66 and a discharging table B67 are respectively arranged at two ends of the stand 65; the vertical seat 65 is rotationally connected with two polishing discs 68 driven to rotate by the driving component 7, and the outer side of the manipulator D63 is provided with a belt conveyor B64; the manipulator C62 is used for clamping the blade on the discharging table A66 and placing the blade on the discharging table B67 after passing through the two polishing discs 68; the robot D63 is used to grip the blade on the discharging table B67 and place it on the belt conveyor B64.

As shown in fig. 10, the driving assembly 7 includes a mounting base 71, two meshed gears 72 are rotatably connected to the mounting base 71, and the gears 72 and the corresponding polishing discs 68 are driven by a rope 74, wherein one gear 72 is driven by a motor a 73.

Realize automatic feeding through vibration dish 3, realize carrying out automatic burring to the blade through deburring mechanism 6, improved holistic production efficiency, practice thrift the cost of labor more.

The robot C62 and the robot D63 may be existing industrial robots.

The manipulator D63 is preferably configured in the same manner as the manipulator B15.

For the manipulator C62, the manipulator C62 comprises a sliding seat A621 longitudinally driven by a synchronous belt mechanism A, and a sliding seat B622 transversely driven by a synchronous belt mechanism B is arranged on the sliding seat A621; the sliding seat B622 is provided with a turntable 623 which is driven to rotate by a synchronous belt mechanism C, the turntable 623 is provided with a clamping seat 625, the clamping seat 625 is hinged with two clamping handles 627 which are opened and closed by a pushing cylinder 624, and a connecting rod 626 is hinged between the clamping handles 627 and a push rod of the pushing cylinder 624; the synchronous belt mechanism A and the synchronous belt mechanism B both comprise belt wheels B which are rotatably connected at two ends of the seat body and are driven by the synchronous belt B, and one belt wheel B is driven to rotate by a motor C; the sliding seat A621 and the sliding seat B622 are fixedly connected with the corresponding synchronous belt B through synchronous belt clamps; sliding seat A621 and sliding seat B622 are respectively provided with a sliding block 629, the sliding blocks 629 are provided with matched linear guide rails 628, and the linear guide rails 628 are fixed in the corresponding seats; the synchronous belt mechanism C comprises two belt wheels C driven by the synchronous belt C, wherein one belt wheel C is coaxially connected with the turntable 623, and the other belt wheel C is coaxially connected with a motor D arranged on the sliding seat B622

As an embodiment of the present utility model, the belt conveyor B64 and the belt conveyor A5 each include a cross beam 51 with supporting legs 55, two ends of the cross beam 51 are rotatably connected with pulleys a53 driven by a synchronous belt a52, and a motor B54 for driving one of the pulleys a53 to rotate is further provided on the cross beam 51.

As shown in fig. 9, for the belt conveyor A5, the input end of the timing belt a52 is provided with a photoelectric sensor 56 for detecting the blade, the output end is provided with a limiting plate 57, a bell mouth is provided in the middle of the limiting plate 57, the root of the bell mouth is provided with a pointed boss 58, and the pointed boss 58 can be embedded into the fork part of the blade.

As one embodiment of the utility model, one side of the manipulator A14 is also provided with a limiting component 2, the limiting component 2 comprises a double-shaft air cylinder D22 arranged at the top of the bracket C21, the output end of the double-shaft air cylinder D22 is provided with a material ejection plate 23, and the material ejection plate 23 is used for enabling a blade to be abutted against the inner side of the right-angle boss 42, so that the accuracy of the clamping position of the blade is ensured.

In summary, the rotary workbench and the sharpening bed 13 are all the existing purchasing equipment, wherein the rotary workbench mainly drives the turntable 12 to rotate through the worm gear and the worm, the sharpening bed 13 mainly comprises a machine body, a driving motor for driving the sharpening disk to rotate is installed on the machine body, the machine body is arranged on a vertical screw nut mechanism A, and a screw nut mechanism B is arranged at the bottom of the screw nut mechanism A, so that the sharpening disk moves vertically and axially, and details are not repeated.

The present utility model may be summarized in other specific forms without departing from the spirit or essential characteristics thereof. The above-described embodiments of the utility model are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims

1. The fine grinding cutting edge equipment for the upper cutter of the flat head buttonholing machine is characterized by comprising a processing unit (1), wherein the processing unit (1) comprises a rotary workbench, three knife grinding beds (13) are arranged on a machine body (11) of the rotary workbench, and at least four blade clamps (4) are uniformly distributed on a turntable (12) of the rotary workbench; the three knife sharpening beds (13) sequentially process the blades on the blade clamp (4) in different procedures;

The blade clamp (4) comprises a positioning block (41), a support (43) and a pressing plate (44), wherein a right-angle boss (42) for limiting the blade is arranged at the top end of the positioning block (41), and the pressing plate (44) is hinged to the top of the support (43); one end of the pressing plate (44) is used for pressing the blade, the other end of the pressing plate is hinged with a pressing rod (45), the pressing rod (45) vertically and slidingly penetrates through the rotary table (12), and a compression spring (46) is arranged between the top of the pressing rod (45) and the rotary table (12).

2. The fine grinding edge device for the upper blade of a buttonholing machine according to claim 1, characterized in that the machining unit (1) further comprises a manipulator a (14) and a manipulator B (15) provided on the machine body (11) for gripping the blade; one side of each of the manipulator A (14) and the manipulator B (15) is provided with a loosening assembly; the loosening assembly comprises a bracket A (151), a loosening rod (152) hinged to the top of the bracket A (151) and a vertical air cylinder (153) for driving the loosening rod (152) to rotate, wherein a cylinder body of the vertical air cylinder (153) is hinged to the bracket A (151), and a push rod of the vertical air cylinder (153) is hinged to the loosening rod (152); one end of the loosening rod (152) is connected with a push rod (154) in a threaded mode, and the push rod (154) is used for pressing the pressing plate (44) and enabling the blade to be in a loosening state.

3. The fine grinding edge device for the upper blade of the buttonholing machine according to claim 2, characterized in that the number of the processing units (1) is two, and a belt conveyor a (5) for conveying blades is connected between the two processing units (1); two of the machining units (1) are used for completing machining of the blade.

4. A fine grinding edge device for a buttonholing machine upper knife according to claim 3, characterized in that it also comprises a deburring mechanism (6) and a vibrating disc (3) for feeding; the deburring mechanism (6) comprises a fixed seat (61), wherein a manipulator C (62), a manipulator D (63) and a vertical seat (65) are arranged on the fixed seat (61), and a discharging table A (66) and a discharging table B (67) are respectively arranged at two ends of the vertical seat (65); two polishing discs (68) driven to rotate by a driving assembly (7) are rotatably connected to the vertical seat (65), the driving assembly (7) comprises a mounting seat (71), two meshed gears (72) are rotatably connected to the mounting seat (71), the gears (72) and the corresponding polishing discs (68) are driven by a rope belt (74), and one gear (72) is driven by a motor A (73); a belt conveyor B (64) is arranged on the outer side of the manipulator D (63); the manipulator C (62) is used for clamping the blade on the discharging table A (66) and placing the blade on the discharging table B (67) after passing through the two polishing discs (68); the manipulator D (63) is used for clamping the blade on the discharging platform B (67) and placing the blade on the belt conveyor B (64).

5. The fine grinding cutting edge device for the upper cutter of the buttonholing machine according to claim 4, wherein the manipulator a (14) comprises a stand column (141), a linear cylinder (142) for driving a vertical double-shaft cylinder a (143) to move transversely is arranged on the stand column (141), a longitudinal double-shaft cylinder B (144) is arranged at the output end of the double-shaft cylinder a (143), a transverse rotary cylinder a (145) is arranged at the output end of the double-shaft cylinder B (144), and two vacuum suction nozzles (146) are arranged at the output end of the rotary cylinder a (145).

6. The fine grinding cutting edge device for the upper cutter of the flat head buttonholing machine according to claim 4, wherein the manipulator D (63) and the manipulator B (15) both comprise a bracket B (155), a double-shaft cylinder C (156) for driving a rotary cylinder B (157) to vertically move is arranged on the bracket B (155), a swing arm (158) is arranged on the rotary cylinder B (157), a finger cylinder (159) is arranged on the swing arm (158), and a clamping jaw a for clamping a blade is arranged on the finger cylinder (159).

7. The fine grinding edge device for an upper knife of a buttonholing machine according to claim 4, characterized in that the belt conveyor B (64) and the belt conveyor a (5) each comprise a cross beam (51) with supporting legs (55), both ends of the cross beam (51) are rotatably connected with pulleys a (53) driven by a synchronous belt a (52), and the cross beam (51) is further provided with a motor B (54) for driving one of the pulleys a (53) to rotate.

8. The fine grinding edge device for an upper blade of a buttonholing machine according to claim 4, characterized in that the manipulator C (62) comprises a sliding seat a (621) driven longitudinally by a synchronous belt mechanism a, and a sliding seat B (622) driven transversely by a synchronous belt mechanism B is provided on the sliding seat a (621); a turntable (623) driven to rotate by a synchronous belt mechanism C is arranged on the sliding seat B (622), a clamping seat (625) is arranged on the turntable (623), two clamping handles (627) which are opened and closed by a pushing cylinder (624) are hinged on the clamping seat (625), and a connecting rod (626) is hinged between the clamping handles (627) and a push rod of the pushing cylinder (624); the synchronous belt mechanism A and the synchronous belt mechanism B both comprise belt wheels B which are rotatably connected at two ends of the seat body and are driven by the synchronous belt B, and one belt wheel B is driven to rotate by a motor C; the sliding seat A (621) and the sliding seat B (622) are fixedly connected with the corresponding synchronous belt B through synchronous belt clamps; the sliding seat A (621) and the sliding seat B (622) are respectively provided with a sliding block (629), the sliding blocks (629) are provided with matched linear guide rails (628), and the linear guide rails (628) are fixed in the corresponding seats; the synchronous belt mechanism C comprises two belt pulleys C driven by the synchronous belt C, one belt pulley C is coaxially connected with the turntable (623), and the other belt pulley C is coaxially connected with a motor D arranged on the sliding seat B (622).

9. The fine grinding cutting edge device for the upper cutter of the flat head buttonholing machine according to claim 5, characterized in that a limit component (2) is further arranged on one side of the manipulator a (14), the limit component (2) comprises a double-shaft air cylinder D (22) arranged at the top of the support C (21), a material ejection plate (23) is arranged at the output end of the double-shaft air cylinder D (22), and the material ejection plate (23) is used for enabling a blade to be abutted against the inner side of the right-angle boss (42).

10. The fine grinding cutting edge device for the upper cutter of the flat buttonholing machine according to claim 7, characterized in that the input end of the synchronous belt a (52) is provided with a photoelectric sensor (56) for detecting a blade, the output end is provided with a limiting plate (57), a horn mouth is arranged in the middle of the limiting plate (57), the root of the horn mouth is provided with a pointed boss (58), and the pointed boss (58) can be embedded into the shifting fork part of the blade.