CN115319207B

CN115319207B - High-precision gear shaping machining device and method

Info

Publication number: CN115319207B
Application number: CN202211261424.4A
Authority: CN
Inventors: 胡云峰; 邬全; 徐海; 朱蕾; 江以晨
Original assignee: Yangzhou Yide Machinery Co ltd
Current assignee: Yangzhou Yide Machinery Co ltd
Priority date: 2022-10-14
Filing date: 2022-10-14
Publication date: 2023-03-24
Anticipated expiration: 2042-10-14
Also published as: CN115319207A

Abstract

The invention relates to the technical field of gear machining, and discloses a high-precision gear shape-modifying machining device and a high-precision gear shape-modifying machining method. Through the fixed subassembly in the backup pad, through rotatory carousel, because utilize threaded connection between threaded rod and the drum, thereby drive the direction removal of the upwards ball of catch bar, the catch bar is when removing the position with the ball contact, utilize the characteristic of the self of catch bar, drive the lifter and outwards stretch out, promote the fixed plate and treat the inner wall contact of processing the gear, be convenient for fix the position of treating processing the gear, because fixed subassembly is fixed to the inner wall of gear, thereby the scope of fixed subassembly fixed gear size has been increased.

Description

High-precision gear shaping machining device and method

Technical Field

The invention relates to the technical field of gear machining, in particular to a high-precision gear shaping machining device and method.

Background

Gear refers to a mechanical element on a rim with gears continuously engaged to transmit motion and power. The application of gear in the transmission has appeared very early, at the end of the 19 th century, the principle of generating the cutting tooth method and the special machine tool and cutter using the principle to cut the tooth appear in succession, along with the development of production, the stability of gear operation is emphasized, although the prior art can realize batch processing in the machining process of gear, and carry out high-precision modification processing, can fix the gear in the gear machining process, most of the applications utilize bolt and nut to fix, overlap the gear on the bolt, utilize the nut to fix, but the gear has big or small, it is limited to lead to current fixing tool to be able to centre gripping gear size, when facing bigger or less gear, need change fixing tool, thereby increase the cost of gear processing.

Disclosure of Invention

The invention aims to provide a high-precision gear shaping and processing device and a high-precision gear shaping and processing method, which are used for solving the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the high-precision gear shaping machining device comprises a base, a machining table is arranged at the top of the base, a shaping structure is arranged on the rear side of the top of the base, a liquid spraying pipe is arranged at the bottom of the shaping structure, a supporting plate is installed on one side of the top of the machining table, a fixing component is connected to the upper portion of the supporting plate through a separation component, a driving component is arranged on the fixing component, and a filtering component is arranged on the rear side of the base.

The utility model provides a preferred improvement mode of high accuracy gear modification processingequipment who provides as this application, fixed subassembly includes drum, threaded rod, catch bar, lifter, ball, fixed plate, spring, carousel and auxiliary rod, the outside of drum is utilized to break away from the subassembly and is connected with the backup pad, the inner chamber threaded connection of drum has the threaded rod, the catch bar that is located the drum inner chamber is installed to the one end of threaded rod, the lifter that has the lift degree of freedom is cup jointed in the outside of drum one side, the fixed plate is installed on the top of lifter, the spring has been cup jointed on the upper portion in the lifter outside, the bottom at the outside of drum and fixed plate is installed respectively at the both ends of spring, the bottom of lifter is rotated and is connected with the ball, the outside contact of ball and catch bar, the other end of threaded rod is connected with the carousel, one side of carousel is connected with the auxiliary rod.

As the preferable improvement mode of the high-precision gear shaping and processing device provided by the application, the whole pushing rod is in a circular truncated cone shape, and the spring is in a stretching state when the outer side of the ball is in contact with the outer side of the pushing rod.

As a preferred improvement mode of the high-precision gear shaping and processing device provided by the application, a plurality of lifting rods and fixing plates which are uniformly distributed along the circumferential direction of the cylinder are arranged on the outer side of the cylinder, and a non-slip mat is arranged at the top of each fixing plate.

The preferred improvement mode who provides a pair of high accuracy gear modification processingequipment as this application, it includes mounting groove, pivot, sleeve, jack, round hole, inserted bar and connecting plate to break away from the subassembly, the mounting groove has been seted up on the upper portion of backup pad, the side all rotates around the mounting groove inner chamber and is connected with the pivot, the sleeve is installed to the one end of pivot, telescopic inner chamber rotates the outside of connecting at the drum, the jack has been seted up at the middle part of pivot, the round hole has been seted up at the top of backup pad, cup joint in round hole and jack on the outside of same inserted bar, the side is equipped with two sets of inserted bars and pivot, two around the backup pad utilize the connecting plate to connect between the top of inserted bar.

As the preferred improvement mode of a high accuracy gear modification processingequipment that this application provided, it still includes accessory plate and spin to break away from the subassembly, the bottom of accessory plate is installed on one side at processing bench top, and is located drive assembly one side, the top that breaks away from the subassembly is ascending inclined plane, the top activity that breaks away from the subassembly has cup jointed the spin, the top of the spin of accessory plate top bottommost and the bottom parallel and level of auxiliary rod.

As a preferred improvement mode of a high accuracy gear modification processingequipment that this application provided, filtering component includes the opening, places mouth, filter screen, handle and drain inclined plane, the opening that is located the processing platform rear side is seted up to the rear side at base top, the mouth has been seted up on the upper portion of opening and has been placed, place the intraoral filter screen of having placed, the handle is installed to one side at filter screen top, the upper portion of placing the mouth has been seted up and has been led the liquid inclined plane.

As the preferred improvement mode that a high accuracy gear modification processingequipment that this application provided, the backplate that is located the filter assembly rear side is installed at the top of base, the backplate wholly is the arc, the row groove has been seted up to the opposite side of processing platform, the bottom of arranging the groove is the inclined plane.

As a preferred improvement mode of the high accuracy gear modification processingequipment that this application provided, including the motor, the motor is installed at the top of processing platform, the output of motor is connected with first gear, the second gear has been cup jointed in the outside of drum, the external tooth of second gear and the external tooth of first gear mesh mutually.

A high-precision gear shaping processing method comprises the following specific processing steps:

s1, sleeving a gear to be machined, which needs to be shaped, on the outer side of a fixed plate on a cylinder, and driving a push rod to move in the direction of an upper ball bearing by rotating a turntable and utilizing threaded connection between a threaded rod and the cylinder;

s2, when the push rod moves to a position contacted with the ball, the lifting rod is driven to extend outwards by utilizing the self characteristic of the push rod, the fixing plate is pushed to be contacted with the inner wall of the gear to be processed and used for fixing the position of the gear to be processed, and when the fixing plate is completely close to the inner wall of the gear to be processed, the rotating disc stops rotating;

s3, grinding the gear to be machined with high precision by utilizing the shape correcting structure, driving the first gear to rotate by taking the motor as a drive, and driving the cylinder on the second gear to rotate due to the meshing between the first gear and the second gear, so as to drive the gear to be machined on the outer side of the cylinder to rotate, and grinding the gear grooves of the gear to be machined;

s4, after polishing, the inserted bar is pulled out from the inserting hole and the round hole by the connecting plate, the other side of the cylinder is inclined downwards under the influence of the gravity of the gear, and the rotating disc rotates in the opposite direction in the S2 to separate the fixed plate from the gear.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the high-precision gear shape-modifying machining device and method, the fixing component on the supporting plate is used, the rotary table is rotated, the threaded rod is in threaded connection with the cylinder, so that the push rod is driven to move towards the upper ball, when the push rod moves to a position in contact with the ball, the lifting rod is driven to extend outwards by using the self characteristic of the push rod, the fixing plate is pushed to be in contact with the inner wall of the gear to be machined, the position of the gear to be machined is convenient to fix, and the fixing component fixes the inner wall of the gear, so that the size range of the gear fixed by the fixing component is enlarged;

2. according to the high-precision gear shape-modifying machining device and method, the cylinder is provided with the disengaging component, the inserted bar is pulled out from the insertion hole and the round hole by using the connecting plate, when the gravity of the gear on the fixing plate is larger than the weight of the second gear, the other side of the cylinder inclines downwards under the influence of the gravity of the gear, as the cylinder is in an inclined state, the gear directly falls off from the cylinder at the moment, the cylinder is convenient to fix the next gear, as the auxiliary plate and the rolling ball are arranged on the other side of the machining table, when the gravity of the gear on the fixing plate is smaller than the weight of the second gear, the threaded rod is rotated to enable the auxiliary rod to be in contact with the rolling ball, and the auxiliary rod is enabled to tilt upwards by using the shape characteristics of the top of the auxiliary plate, so that the machined gear is conveniently disengaged from the cylinder;

3. according to the high-precision gear shape-modifying machining device and method, the protective plate is arranged on the base, and the shape characteristics of the protective plate are utilized, so that the phenomenon that a liquid spray pipe sprays cooling liquid to the gear to be machined is avoided, and the severe environment for gear shape-modifying machining is relieved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of the overall structure of a high-precision gear shaping and processing device according to the present invention;

FIG. 2 is a side view of a high precision gear shaping apparatus of the present invention;

FIG. 3 is a schematic structural view of a motor of the high-precision gear shaping and processing device according to the present invention;

FIG. 4 is a schematic view of a cylinder structure of a high-precision gear shaping apparatus according to the present invention;

FIG. 5 is an exploded view of a cylinder and a threaded rod of a high precision gear shaping apparatus of the present invention;

FIG. 6 is a schematic view of a ball structure of a high-precision gear shaping apparatus according to the present invention;

FIG. 7 is an exploded view of the mounting groove and the rotating shaft of the high-precision gear shaping and processing device of the present invention;

fig. 8 is an exploded view between a port and a filter screen of a high-precision gear shaping and processing device according to the invention.

In the figure: 1. a base; 2. modifying the shape structure; 3. a liquid spraying pipe; 4. a processing table; 5. a support plate; 6. a fixing assembly; 61. a cylinder; 62. a threaded rod; 63. a push rod; 64. a lifting rod; 65. a ball bearing; 66. a fixing plate; 67. a spring; 68. a turntable; 69. an auxiliary lever; 7. a drive assembly; 71. a motor; 72. a first gear; 73. a second gear; 8. a disengaging assembly; 81. mounting grooves; 82. a rotating shaft; 83. a sleeve; 84. a jack; 85. a circular hole; 86. inserting a rod; 87. a connecting plate; 88. an auxiliary plate; 89. rolling a ball; 9. a filter assembly; 91. a port; 92. a placement port; 93. a filter screen; 94. a handle; 95. a drainage slope; 10. a guard plate; 11. and (4) arranging grooves.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-8, the present invention provides a high precision gear shaping processing apparatus, which includes a base 1, a processing table 4 is disposed on the top of the base 1, a shaping structure 2 is disposed on the rear side of the top of the base 1, a liquid spraying pipe 3 is disposed at the bottom of the shaping structure 2, a supporting plate 5 is mounted on one side of the top of the processing table 4, a fixing assembly 6 is connected to the upper portion of the supporting plate 5 by a separating assembly 8, a driving assembly 7 is disposed on the fixing assembly 6, and a filtering assembly 9 is disposed on the rear side of the base 1.

In one embodiment of the present invention, the fixing assembly 6 includes a cylinder 61, a threaded rod 62, a push rod 63, a lifting rod 64, a ball 65, a fixing plate 66, a spring 67, a turntable 68 and an auxiliary rod 69, the outer side of the cylinder 61 is connected to the support plate 5 by the detaching assembly 8, the threaded rod 62 is connected to the inner cavity of the cylinder 61 through a thread, the push rod 63 located in the inner cavity of the cylinder 61 is installed at one end of the threaded rod 62, the lifting rod 64 with a lifting degree of freedom is sleeved on the outer side of one side of the cylinder 61, the fixing plate 66 is installed at the top end of the lifting rod 64, the spring 67 is sleeved on the upper portion of the outer side of the lifting rod 64, two ends of the spring 67 are respectively installed on the outer side of the cylinder 61 and the bottom of the fixing plate 66, the ball 65 is rotatably connected to the bottom of the lifting rod 64, the ball 65 is in contact with the outer side of the push rod 63, the turntable 68 is connected to the other end of the threaded rod 62, and the auxiliary rod 69 is connected to one side of the turntable 68.

Through fixed subassembly 6 on the backup pad 5, through rotatory carousel 68, because utilize threaded connection between threaded rod 62 and the drum 61, thereby drive catch bar 63 and move towards the direction of ball 65, catch bar 63 is when moving the position with ball 65 contact, utilize the characteristic of self of catch bar 63, drive lifter 64 outwards stretches out, promote fixed plate 66 and the inner wall contact of waiting to process the gear, be convenient for fix the position of waiting to process the gear, because fixed subassembly 6 is fixed to the inner wall of gear, thereby the scope of fixed subassembly 6 fixed gear size has been increased.

In one embodiment of the present invention, the push rod 63 has a circular truncated cone shape as a whole, and the spring 67 is in a stretched state when the outer side of the ball 65 contacts the outer side of the push rod 63.

In one embodiment of the present invention, the cylinder 61 is provided at the outer side thereof with a plurality of lifting rods 64 and fixing plates 66 uniformly distributed along the circumferential direction of the cylinder 61, and the top of the fixing plates 66 is provided with a non-slip mat.

The outer side of the cylinder 61 is provided with a plurality of lifting rods 64 and fixing plates 66 which are uniformly distributed along the circumferential direction of the cylinder 61, and the top of each fixing plate 66 is provided with a non-slip pad, so that the gears can be conveniently fixed.

In an embodiment of the present invention, the detaching assembly 8 includes a mounting groove 81, a rotating shaft 82, a sleeve 83, a plug hole 84, a circular hole 85, an insert rod 86 and a connecting plate 87, the mounting groove 81 is formed on the upper portion of the supporting plate 5, the rotating shaft 82 is rotatably connected to both the front and rear sides of the inner cavity of the mounting groove 81, the sleeve 83 is mounted at one end of the rotating shaft 82, the inner cavity of the sleeve 83 is rotatably connected to the outer side of the cylinder 61, the plug hole 84 is formed in the middle of the rotating shaft 82, the circular hole 85 is formed in the top of the supporting plate 5, the circular hole 85 and the plug hole 84 are sleeved on the outer side of the same insert rod 86, two sets of the insert rods 86 and the rotating shaft 82 are arranged on the front and rear sides of the supporting plate 5, and the tops of the two insert rods 86 are connected by the connecting plate 87.

Through being equipped with on drum 61 and breaking away from subassembly 8, utilize connecting plate 87 to pull out inserted bar 86 from jack 84 and round hole 85, when the gear gravity on fixed plate 66 is greater than the weight of second gear 73, the opposite side of drum 61 can receive the influence downward sloping of the gravity of gear, because drum 61 is the tilt state, the gear directly drops from drum 61 this moment, make things convenient for drum 61 to fix next gear, because the opposite side of processing platform 4 is equipped with accessory plate 88 and spin 89, when the gear gravity on fixed plate 66 is less than the weight of second gear 73, rotatory threaded rod 62 makes accessory rod 69 and spin 89 contact, utilize the shape characteristics at accessory plate 88 top, make accessory rod 69 upwards perk, the gear after the convenience was processed breaks away from drum 61.

In one embodiment of the present invention, the detaching assembly 8 further comprises an auxiliary plate 88 and a ball 89, the bottom of the auxiliary plate 88 is mounted on one side of the top of the processing table 4 and is located on one side of the driving assembly 7, the top of the detaching assembly 8 is an upward slope, the ball 89 is movably sleeved on the top of the detaching assembly 8, and the top of the ball 89 at the bottommost part of the top of the auxiliary plate 88 is flush with the bottom of the auxiliary rod 69.

In an embodiment of the present invention, the filtering assembly 9 includes a through opening 91, a placing opening 92, a filtering net 93, a handle 94 and a liquid guiding inclined plane 95, the through opening 91 is disposed at the rear side of the top of the base 1 and located at the rear side of the processing table 4, the placing opening 92 is disposed at the upper portion of the through opening 91, the filtering net 93 is disposed in the placing opening 92, the handle 94 is mounted at one side of the top of the filtering net 93, and the liquid guiding inclined plane 95 is disposed at the upper portion of the placing opening 92.

In one embodiment of the invention, a guard plate 10 is mounted on the top of the base 1 and located at the rear side of the filter assembly 9, the guard plate 10 is integrally arc-shaped, the other side of the processing table 4 is provided with a row groove 11, and the bottom of the row groove 11 is an inclined plane.

Through being equipped with backplate 10 on the base 1, utilize the shape characteristics of backplate 10, avoided spray pipe 3 to this coolant liquid of treating that the gear shaping processing environment is abominable that spouts all around, has slowed down the gear. The other side of the processing table 4 is provided with a row groove 11, the bottom of the row groove 11 is an inclined plane, and the gear can conveniently slide out of the row groove 11.

In one embodiment of the present invention, the driving assembly 7 includes a motor 71, the motor 71 is mounted on the top of the processing table 4, the output end of the motor 71 is connected with a first gear 72, the outer side of the cylinder 61 is sleeved with a second gear 73, and the outer teeth of the second gear 73 are engaged with the outer teeth of the first gear 72. The filtering component 9 is arranged between the processing table 4 and the guard plate 10, so that the cooling liquid can be conveniently filtered and then discharged.

s1, sleeving a gear to be machined, which needs to be modified, on the outer side of a fixing plate 66 on a cylinder 61, and driving a push rod 63 to move in the direction of an upper ball 65 by rotating a rotary disc 68 and utilizing threaded connection between a threaded rod 62 and the cylinder 61;

s2, when the push rod 63 moves to the position contacted with the ball 65, the lifting rod 64 is driven to extend outwards by utilizing the self characteristic of the push rod 63, the fixing plate 66 is pushed to be contacted with the inner wall of the gear to be machined and used for fixing the position of the gear to be machined, and when the fixing plate 66 is completely close to the inner wall of the gear to be machined, the rotating disc 68 stops rotating;

s3, polishing the gear to be processed with high precision by using the shape modification structure 2, driving the first gear 72 to rotate by using the motor 71 as a drive, and driving the cylinder 61 on the second gear 73 to rotate due to the meshing between the first gear 72 and the second gear 73, so as to drive the gear to be processed on the outer side of the cylinder 61 to rotate, so that the tooth grooves of the gear to be processed can be polished;

s4, after polishing, the insertion rod 86 is pulled out from the insertion hole 84 and the round hole 85 through the connecting plate 87, at the moment, the other side of the cylinder 61 is inclined downwards under the influence of the gravity of the gear, at the moment, the rotary disc 68 is rotated in the direction opposite to the direction in S2, so that the fixing plate 66 is separated from the gear, and the gear directly falls off from the cylinder 61 at the moment due to the inclined state of the cylinder 61, so that the cylinder 61 can conveniently fix the next gear.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high accuracy gear modification processingequipment, includes base (1), characterized in that, the top of base (1) is equipped with processing platform (4), the rear side at base (1) top is equipped with repaiies shape structure (2), the bottom of repairing shape structure (2) is equipped with spray pipe (3), backup pad (5) are installed to one side at processing platform (4) top, the upper portion of backup pad (5) utilizes and breaks away from subassembly and is connected with fixed subassembly (6), be equipped with drive assembly (7) on fixed subassembly (6), the rear side of base (1) is equipped with filtering component (9), fixed subassembly (6) are connected with backup pad (5) including drum (61), threaded rod (62), catch bar (63), lifter (64), ball (65), fixed plate (66), spring (67), carousel (68) and auxiliary rod (69), the outside of drum (61) utilizes and breaks away from subassembly (8) and is connected with backup pad (5), the inner chamber threaded connection of drum (61) has screw thread (62), the one end of threaded rod (62) is installed and is located the inner chamber of drum (61), the lifter bar (63) one side of lifter bar (61) is installed, the lifter bar outside of drum (61) has the lifter bar (64), the lifter bar (64) of sleeving connection, the upper part of the outer side of the lifting rod (64) is sleeved with a spring (67), two ends of the spring (67) are respectively installed on the outer side of the cylinder (61) and the bottom of the fixing plate (66), the bottom of the lifting rod (64) is rotatably connected with a ball (65), the ball (65) is in contact with the outer side of the push rod (63), the other end of the threaded rod (62) is connected with a turntable (68), one side of the turntable (68) is connected with an auxiliary rod (69), the whole push rod (63) is in a round table shape, the spring (67) is in a stretching state when the outer side of the ball (65) is in contact with the outer side of the push rod (63), the outer side of the cylinder (61) is provided with a plurality of lifting rods (64) and fixing plates (66) which are uniformly distributed along the circumferential direction of the cylinder (61), the top of the fixing plates (66) is provided with an anti-slip mat, the separation assembly (8) comprises an installation groove (81), a rotating shaft (82), a sleeve (83), a jack (84), a round hole (85), an insertion rod (86) and a connecting plate (87), the upper part (5) is provided with the installation groove (81), and the rotating shaft (82) which is connected with the rotating shaft (82), the inner chamber of sleeve (83) rotates and connects in the outside of drum (61), jack (84) have been seted up at the middle part of pivot (82), round hole (85) have been seted up at the top of backup pad (5), cup joint on the outside of same inserted bar (86) in round hole (85) and jack (84), the front and back side of backup pad (5) is equipped with two sets of inserted bars (86) and pivot (82), two utilize connecting plate (87) to connect between the top of inserted bar (86).

2. A high precision gear shaping processing device according to claim 1, wherein the disengagement assembly further comprises an auxiliary plate (88) and a rolling ball (89), the bottom of the auxiliary plate (88) is installed on one side of the top of the processing table (4) and is located on one side of the driving assembly (7), the top of the disengagement assembly (8) is an upward slope, the rolling ball (89) is movably sleeved on the top of the disengagement assembly (8), and the top of the rolling ball (89) at the bottommost part of the top of the auxiliary plate (88) is flush with the bottom of the auxiliary rod (69).

3. The high-precision gear shaping and processing device according to claim 2, wherein the filter assembly comprises a through opening (91), a placing opening (92), a filter screen (93), a handle (94) and a liquid guiding inclined plane (95), the through opening (91) located at the rear side of the processing table (4) is arranged at the rear side of the top of the base (1), the placing opening (92) is arranged at the upper part of the through opening (91), the filter screen (93) is placed in the placing opening (92), the handle (94) is installed at one side of the top of the filter screen (93), and the liquid guiding inclined plane (95) is arranged at the upper part of the placing opening (92).

4. The high-precision gear reshaping processing device according to claim 3, wherein a guard plate (10) located at the rear side of the filtering component (9) is installed at the top of the base (1), the guard plate (10) is integrally arc-shaped, a row groove (11) is formed in the other side of the processing table (4), and the bottom of the row groove (11) is an inclined plane.

5. The high-precision gear shaping and processing device according to claim 4, wherein the driving assembly (7) comprises a motor (71), the motor (71) is mounted at the top of the processing table (4), a first gear (72) is connected to an output end of the motor (71), a second gear (73) is sleeved on the outer side of the cylinder (61), and the outer teeth of the second gear (73) are meshed with the outer teeth of the first gear (72).

6. The machining method of the high-precision gear shaping machining device according to claim 5 is characterized by comprising the following specific machining method:

s1, sleeving a gear to be machined, which needs to be modified, on the outer side of a fixing plate (66) on a cylinder (61), and driving a push rod (63) to move in the direction of an upper ball (65) by rotating a turntable (68) due to the fact that a threaded rod (62) is in threaded connection with the cylinder (61);

s2, when the push rod (63) moves to a position contacted with the ball (65), the self characteristic of the push rod (63) is utilized to drive the lifting rod (64) to extend outwards, the fixed plate (66) is pushed to be contacted with the inner wall of the gear to be machined and used for fixing the position of the gear to be machined, and when the fixed plate (66) is completely close to the inner wall of the gear to be machined, the rotating disc (68) stops rotating;

s3, grinding the gear to be machined with high precision by using the shape correcting structure (2), driving a first gear (72) to rotate by using a motor (71) as a drive, and driving a cylinder (61) on a second gear (73) to rotate due to the meshing between the first gear (72) and the second gear (73), so as to drive the gear to be machined on the outer side of the cylinder (61) to rotate, and grinding the gear grooves of the gear to be machined;

s4, after polishing, the inserting rod (86) is pulled out from the inserting hole (84) and the round hole (85) through the connecting plate (87), the other side of the cylinder (61) is inclined downwards under the influence of the gravity of the gear, and the rotating disc (68) rotates in the opposite direction in the S2, so that the fixing plate (66) is separated from the gear, the gear directly falls off from the cylinder (61) due to the fact that the cylinder (61) is in an inclined state, and the next gear is conveniently fixed by the cylinder (61).