CN113977421A

CN113977421A - Intelligent surface grinding device for gear machining

Info

Publication number: CN113977421A
Application number: CN202111184579.8A
Authority: CN
Inventors: 不公告发明人
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-10-12
Filing date: 2021-10-12
Publication date: 2022-01-28

Abstract

The invention relates to the technical field of surface smoothing, in particular to an intelligent surface polishing device for gear machining, which comprises a supporting table, a supporting and moving mechanism, a clamping block, a driving motor and a polishing mechanism, wherein the supporting and moving mechanism is arranged at the upper end of the supporting table, the driving motor is arranged on the supporting and moving mechanism, the polishing mechanism is arranged at the lower end of the driving motor, the clamping block is arranged at the upper end of the supporting table and is positioned right below the driving motor, the polishing mechanism comprises a main shaft, a main polishing disc, a fixed box, an auxiliary box, a plug board, a telescopic correcting mechanism and an auxiliary polishing mechanism, the main shaft is arranged at the lower end of the driving motor, the main polishing disc is arranged at the lower end of the main shaft, and the device can polish circular grooves on the surface of a gear without a function-drawing path, is simple to operate and is convenient to polish the gear with the circular grooves on the surface.

Description

Intelligent surface grinding device for gear machining

Technical Field

The invention relates to the technical field of surface smoothing, in particular to an intelligent surface polishing device for gear machining.

Background

In the processing and the production of gear, need polish the surface of gear usually, general mechanical grinding device lets the simple surface of walking the gear of wheel of polishing usually, can polish the surface of gear smoothly, and can polish the gear of equidimension not, but this kind of device only is fit for the smooth gear of surface and polishes, most of gears need reduce cost because processing, the ring groove has been seted up on the surface usually, when polishing to ring inslot portion, need stretch the ring inslot portion and walk the ring groove with miniature wheel of polishing, and the ring groove need the function of drawing to the standard for circular use multiaxis linkage drive arrangement drives the wheel of polishing and walks circular route, it is comparatively troublesome to operate, we have proposed an intelligent surface grinding device that gear machining used for this reason.

Disclosure of Invention

The invention aims to solve the defect that the inside of a circular groove on the surface of a gear is difficult to polish in the prior art, and provides an intelligent surface polishing device for gear machining.

In order to achieve the purpose, the invention adopts the following technical scheme:

an intelligent surface polishing device for gear machining is designed, and comprises a supporting table, a supporting moving mechanism, a clamping block, a driving motor and a polishing mechanism, wherein the supporting moving mechanism is arranged at the upper end of the supporting table;

the grinding mechanism comprises a main shaft, a main grinding disc, a fixed box, an auxiliary box, a plugboard, a telescopic correction mechanism and an auxiliary grinding mechanism, wherein the main shaft is arranged at the lower end of a driving motor, the main grinding disc is arranged at the lower end of the main shaft, the fixed box is arranged at the side surface of the main shaft, the plugboard is arranged at the edge of one end of the fixed box, one end of the plugboard is inserted into the auxiliary box, the fixed box is communicated with the inside of the auxiliary box, the telescopic correction mechanism is arranged inside the fixed box and the auxiliary box, the auxiliary grinding mechanism is arranged at the lower side of one end of the auxiliary box, the auxiliary grinding mechanism further comprises a first gear, a second gear, a main belt wheel, an auxiliary belt wheel and a belt, the first gear is arranged on the main shaft, the second gear is arranged inside the fixed box, the first gear is meshed with the second gear, the main belt wheel is arranged at the upper end of the second gear and is coaxial with the second gear, the auxiliary belt wheel is arranged inside the auxiliary box, the belt is sleeved between the main belt wheel and the auxiliary belt wheel.

Preferably, the telescopic correction mechanism comprises a first rack, a limiting plate, a correction belt wheel, a double-layer gear, a second rack, a limiting block, a fixing block and a first micro motor, the fixed block is arranged in the auxiliary box, the limiting block is arranged in the fixed box, the second rack penetrates through the limiting block, one end of the second rack is arranged with the fixed block, the limit plate is arranged in the fixed box, the first rack penetrates through the limit plate, the first rack is vertical to the second rack, the correcting belt wheel is arranged at one end of the first rack and is close to the belt, the double-layer gear is arranged in the fixed box, the upper layer of the double-layer gear is meshed with the first rack, the lower layer of the double-layer gear is meshed with the second rack, the first micro motor is installed at the lower end of the fixed box and drives the double-layer gear, and the storage battery is installed on the side face of the first micro motor.

Preferably, the T-shaped rod is arranged on the side surface of the first rack and penetrates through the limiting plate, and the other T-shaped rod is arranged on the side surface of the second rack and penetrates through the limiting block.

Preferably, vice grinding machanism includes drum, vice mill, elevator, upper shaft, lower shaft, fixture block, ring strip, rotatory disk and draw-in groove, the drum is installed at auxiliary tank one end downside, the upper shaft is coaxial with vice pulley, the fixture block is installed at the upper shaft lower extreme, the ring strip is installed in the rotatory disk outside, the ring strip card is established inside the elevator, the elevator is near the drum inner wall, the draw-in groove is seted up in rotatory disk upper end, the fixture block is inserted and is established inside the draw-in groove, the lower shaft is installed at rotatory disk lower extreme and is stretched out the drum, vice mill is installed at the lower shaft lower extreme, still includes second micro motor and threaded rod, the threaded rod runs through the elevator, second micro motor install in threaded rod one end and with drum inner wall fixed mounting.

Preferably, the lifting device further comprises a limiting rod and a connecting plate, the limiting rod penetrates through the lifting block, one end of the limiting rod is fixed to the inner upper end of the cylinder, and the limiting rod and the other end of the threaded rod are fixedly installed on the inner wall of the cylinder through the connecting plate.

Preferably, the device also comprises a controller, two side rods and a plurality of distance sensors, wherein the two side rods are arranged on the side face of the cylinder, the two side rods are arranged on the connecting line of the main shaft and the cylinder, the distance sensors are arranged at the lower ends of the side rods, the distance sensors are positioned right above the edge of the auxiliary polishing disc, the controller is arranged at the upper ends of the side rods, and the two ends of the controller are connected between the distance sensors and the first micro motor through wires.

Preferably, still include bar groove, clamp rod, guide rail, sliding block, two-way screw rod, movable block and motor, press from both sides the inside cavity of tight piece, the bar groove is seted up in pressing from both sides tight piece upper end, the motor is installed inside pressing from both sides tight piece, two-way screw rod is installed in motor one side, the movable block cover is established on two-way screw rod, press from both sides tight rod and insert movable block upper end both corners and stretch out the bar groove, the guide rail both ends and press from both sides tight piece inner wall installation, the guide rail is the V type and is located two-way screw rod upper end, the sliding block is installed and is run through by the guide rail at clamp rod middle part and middle part.

The intelligent surface grinding device for gear machining provided by the invention has the beneficial effects that: this intelligent surface smoothing device of gear machining usefulness drives vice grinding machanism through the main shaft and centers on the main shaft rotation, and through the meshing transmission of first gear and second gear, give vice grinding machanism with rotary transmission through the belt, make vice grinding machanism rotation, make the main shaft can drive the main grinding dish gear surface of polishing, and vice grinding machanism also can polish the ring groove of gear indent, make the device only need simple operation, can polish to the gear that has the ring groove, make things convenient for people to use.

Drawings

Fig. 1 is a schematic structural diagram of an intelligent surface grinding device for gear machining according to the present invention.

Fig. 2 is a first schematic structural diagram of a polishing mechanism of an intelligent surface polishing device for gear machining according to the present invention.

Fig. 3 is an enlarged view of a portion a of fig. 2 of the intelligent surface grinding device for gear machining according to the present invention.

Fig. 4 is a schematic structural diagram of a second polishing mechanism of the intelligent surface polishing device for gear processing according to the present invention.

Fig. 5 is a partial schematic view of fig. 4 of an intelligent surface grinding apparatus for gear machining according to the present invention.

Fig. 6 is a sectional view of a lifting block of an intelligent surface grinding apparatus for gear machining according to the present invention.

Fig. 7 is an enlarged schematic structural diagram of a clamping block of the intelligent surface grinding device for gear machining according to the present invention.

Fig. 8 is a schematic structural diagram of the inside of a clamping block of an intelligent surface grinding device for gear machining according to the present invention.

Fig. 9 is a schematic connection diagram of a controller of an intelligent surface grinding device for gear machining according to the present invention.

In the figure: the grinding machine comprises a supporting and moving mechanism 1, a driving motor 2, a grinding mechanism 3, a clamping block 4, a supporting table 5, a main shaft 6, a first gear 7, a second gear 8, a main belt wheel 9, a fixed box 10, an auxiliary box 11, a main grinding disc 12, a cylinder 13, an auxiliary grinding disc 14, a side rod 15, an auxiliary belt wheel 16, a first rack 17, a T-shaped rod 18, a limiting plate 19, a correcting belt wheel 20, a belt 21, an inserting plate 22, a double-layer gear 23, a second rack 24, a limiting block 25, a fixed block 26, a first micro motor 27, a storage battery 28, a distance sensor 29, a lifting block 30, a threaded rod 31, a limiting rod 32, an upper shaft 33, a second micro motor 34, a lower shaft 35, a clamping block 36, a circular ring strip 37, a rotating circular block 38, a clamping groove 39, a strip groove 40, a clamping rod 41, a guide rail 42, a sliding block 43, a bidirectional screw 44, a moving block 45, a motor 46, a connecting plate 47 and a controller 48.

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.

Example 1

Referring to fig. 1-9, an intelligent surface grinding device for gear machining, including supporting table 5, support moving mechanism 1, press from both sides tight piece 4, driving motor 2 and grinding mechanism 3, support moving mechanism 1 and install in supporting table 5 upper end, driving motor 2 installs on supporting moving mechanism 1, support moving mechanism 1 can drive driving motor 2 and go up and down and do simple linear motion on the plane, grinding mechanism 3 installs at driving motor 2 lower extreme, grinding mechanism 3 is used for polishing the gear, press from both sides tight piece 4 and install in supporting table 5 upper end and be located driving motor 2 under, supporting table 5 is used for strutting arrangement.

The grinding mechanism 3 comprises a main shaft 6, a main grinding disc 12, a fixed box 10, an auxiliary box 11, an inserting plate 22, a telescopic correction mechanism and an auxiliary grinding mechanism, wherein the main shaft 6 is arranged at the lower end of a driving motor 2, the main grinding disc 12 is arranged at the lower end of the main shaft 6, the driving motor 2 drives the main shaft 6 and the main grinding disc 12 to rotate, the main grinding disc 12 can grind the surface of a gear, the fixed box 10 is arranged on the side surface of the main shaft 6, the inserting plate 22 is arranged at the edge of one end of the fixed box 10, one end of the inserting plate 22 is inserted into the auxiliary box 11, the fixed box 10 is communicated with the inside of the auxiliary box 11, the auxiliary box 11 and the fixed box 10 can be properly stretched through the inserting plate 22, the telescopic correction mechanism is arranged inside the fixed box 10 and the auxiliary box 11, the telescopic correction mechanism can drive the auxiliary box 11 to be far away from or close to the fixed box 10, the auxiliary grinding mechanism is arranged at the lower side of one end of the auxiliary box 11, and the grinding mechanism also comprises a first gear 7, a second gear 8, a main belt wheel 9, Secondary pulley 16 and belt 21, first gear 7 is installed on main shaft 6, second gear 8 is installed inside fixed case 10, first gear 7 meshes with second gear 8, main shaft 6 is rotatory to drive fixed case 10 rotatory, fixed case 10 is rotatory to drive second gear 8 rotatory through first gear 7 meshing, primary pulley 9 is installed at second gear 8 upper end and coaxial with second gear 8, secondary pulley 16 is installed inside secondary case 11, belt 21 cover is established between primary pulley 9 and secondary pulley 16, belt 21 transmits primary pulley 9 rotation for secondary pulley 16.

The telescopic compensating mechanism comprises a first rack 17, a limiting plate 19, a compensating belt wheel 20, a double-layer gear 23, a second rack 24, a limiting block 25, a fixing block 26 and a first micro motor 27, wherein the fixing block 26 is arranged inside the auxiliary box 11, the limiting block 25 is arranged inside the fixed box 10, the second rack 24 penetrates through the limiting block 25, one end of the second rack is arranged with the fixing block 26, the limiting block 19 is arranged inside the fixed box 10, the first rack 17 penetrates through the limiting block 19, the first rack 17 is vertical to the second rack 24, the compensating belt wheel 20 is arranged at one end of the first rack 17 and is close to the belt 21, the double-layer gear 23 is arranged inside the fixed box 10, the upper layer of the double-layer gear 23 is meshed with the first rack 17, the double-layer gear 23 rotates to drive the first rack 17 to move, the compensating belt wheel 20 can be pressed against the belt 21, the lower layer of the double-layer gear 23 is meshed with the second rack 24, the double-layer gear 23 drives the second rack 24 to move, the distance between the fixed box 10 and the auxiliary box 11 can be adjusted, when the distance between the fixing box 10 and the auxiliary box 11 is changed, the belt 21 is loosened between the main belt wheel 9 and the auxiliary belt wheel 16, the double-layer gear 23 drives the correction belt wheel 20 to press the belt 21 to prevent the belt 21 from slipping, the first micro motor 27 is installed at the lower end of the fixing box 10 and drives the double-layer gear 23, the first micro motor 27 drives the double-layer gear 23 to rotate, the device further comprises a storage battery 28, the storage battery 28 is installed on the side face of the first micro motor 27, and the storage battery 28 is used for supplying power to the first micro motor 27.

When the grinding machine is used, when the surface of a gear needs to be ground, the supporting and moving mechanism 1 and the driving motor 2 are started, the driving motor 2 drives the main grinding disc 12 to rotate, so that the supporting and moving mechanism 1 drives the main grinding disc 12 to walk across the surface of the gear, the surface of the gear can be ground, when the circular groove on the surface of the gear needs to be ground, the first micro motor 27 is started, the first micro motor 27 drives the double-layer gear 23 to rotate, the double-layer gear 23 drives the second rack 24 to move, so that the distance between the fixing box 10 and the auxiliary box 11 is adjusted, the distance between the auxiliary grinding mechanism and the main shaft is proper, the double-layer gear 23 also drives the first rack 17 to move, so that the first rack 17 drives the correcting belt wheel 20 to move, so that the belt wheel 20 compresses the belt 21 to prevent the belt from slipping, then the driving motor 2 is started, the driving motor 2 drives the main shaft 6 to rotate, the main shaft 6 drives the fixing box 10 and the auxiliary box 11 to rotate, make second gear 8 rotate around first gear 7 to make 8 rotations of second gear drive the main band pulley 9 rotatory, the main band pulley 9 drives the band pulley 16 through belt 21 rotatory, thereby make band pulley 16 drive the ring groove that vice polishing mechanism polished the gear surface, the device need not the function and plans the route, just can polish the ring groove on gear surface, easy operation makes things convenient for the surface to have the smooth use of ring groove gear surface.

The T-shaped rod 18 penetrates through the limiting block 25 and the limiting block 19, so that the first rack 17 and the second rack 24 are prevented from shaking in the limiting block 19 and the limiting block 25, and the rack is prevented from being clamped at the penetrating position.

Example 2

According to embodiment 1, embodiment 1 can drive the auxiliary grinding mechanism to rotate and adjust the distance between the auxiliary grinding mechanism and the main shaft, but the first micro motor 27 needs to be manually operated to control, it is difficult to completely align the auxiliary grinding mechanism with the circular grooves on the surface of the gear, and the circular grooves on the surface of the gear have different heights and are difficult to adapt to the circular grooves of various gears, referring to fig. 1-9, as another preferred embodiment of the present invention, on the basis of embodiment 1:

the auxiliary polishing mechanism comprises a cylinder 13, an auxiliary polishing disc 14, a lifting block 30, an upper shaft 33, a lower shaft 35, a fixture block 36, a circular ring strip 37, a rotary circular block 38 and a clamping groove 39, the cylinder 13 is installed at the lower side of one end of the auxiliary box 11, the upper shaft 33 is coaxial with the auxiliary belt wheel 16, the fixture block 36 is installed at the lower end of the upper shaft 33, the circular ring strip 37 is installed at the outer side of the rotary circular block 38, the circular ring strip 37 is clamped in the lifting block 30 to enable the rotary circular block 38 to rotate in the lifting block 30, the lifting block 30 abuts against the inner wall of the cylinder 13, the clamping groove 39 is formed at the upper end of the rotary circular block 38, the fixture block 36 is inserted in the clamping groove 39 to enable the upper shaft 33 to drive the rotary circular block 38 to rotate, the depth of the clamping groove 39 is far larger than the thickness of the fixture block 36 to prevent the fixture block 36 from being separated from the clamping groove 39, the lower shaft 35 is installed at the lower end of the rotary circular block 38 and extends out of the cylinder 13, the auxiliary polishing disc 14 is installed at the lower end of the lower shaft 35, the lower shaft 38 is rotated to drive the lower shaft 35 to rotate, the lower shaft 35 rotates to drive the auxiliary polishing disc 14 to rotate, the polishing device further comprises a second micro motor 34 and a threaded rod 31, the threaded rod 31 penetrates through the lifting block 30, the second micro motor 34 is installed at one end of the threaded rod 31 and fixedly installed on the inner wall of the cylinder 13, the second micro motor 34 drives the threaded rod 31 to rotate, and the threaded rod 31 rotates to drive the lifting block 30 to lift.

Still include gag lever post 32 and connecting plate 47, gag lever post 32 runs through elevator 30, and gag lever post 32 one end is fixed with the inside upper end of drum 13, and gag lever post 32 and threaded rod 31's the other end all through connecting plate 47 and drum 13 inner wall fixed mounting, and gag lever post 32 is used for preventing rocking of elevator 30, and connecting plate 47 is used for fixed gag lever post 32.

The grinding machine further comprises two side rods 15 and a plurality of distance sensors 29, the two side rods 15 are installed on the side face of the cylinder 13, the two side rods 15 are arranged on a connecting line of the main shaft 6 and the cylinder 13, the distance sensors 29 are installed at the lower ends of the side rods 15, the distance sensors 29 are located right above the edge of the auxiliary grinding disc 14, the distance sensors 29 are used for measuring the distance between the distance sensors 29 and the surface of a gear, a controller 48 is installed at the upper ends of the side rods 15, the two ends of the controller 48 are connected between the distance sensors 29 and the first micro motor 27 through conducting wires, and the controller 48 can receive signals of the distance sensors 29 and control the first micro motor 27.

When the auxiliary grinding mechanism is used, when the first micro motor 27 is started to adjust the distance between the auxiliary grinding mechanism and the main shaft, the height of the gear below is sensed through the plurality of distance sensors 29, when the adjacent two distance sensors 29 on one side of the auxiliary grinding disc 14 find that the lower height is different, the distance sensors 29 send signals to the controller 48, the controller 48 controls the first micro motor 27 to stop, namely, the circular groove on the surface of the gear can be accurately positioned, the second micro motor 34 is started to drive the threaded rod 31 to rotate, the threaded rod 31 rotates to drive the lifting block 30 to move, so that the rotating circular block 38 is driven to move, the lower shaft 35 descends to be suitable for the depth of the circular groove on the surface of the gear, then the driving motor 2 is started to grind, after the auxiliary grinding disc 14 finishes grinding for a plurality of circles, when the first micro motor 27 is started to reduce the distance between the grinding mechanism and the main shaft, grinding continues to grind until the distance sensor 29 on the other side senses that the gear is different in height, distance sensor 29 transmission signal makes controller 48 stop first micro motor 27, the round of polishing starting drive motor 2, through the lift of distance sensor 29 response and first micro motor 27 of control and elevator 30, make the device can intelligent select ring groove edge, polish to the ring inslot limit from the ring inslot outside, make the ring groove of the different width of polishing and the different degree of depth that the device can be abundant, the adaptability of device has been improved, make the device application extensive.

The clamping device comprises a clamping block 4, a strip-shaped groove 40, a clamping rod 41, a guide rail 42, a sliding block 43, a bidirectional screw 44, a moving block 45 and a motor 46, wherein the clamping block 4 is hollow, the strip-shaped groove 40 is formed in the upper end of the clamping block 4, the motor 46 is installed in the clamping block 4, the bidirectional screw 44 is installed on one side of the motor 46, the moving block 45 is sleeved on the bidirectional screw 44, the clamping rod 41 is inserted into two corners of the upper end of the moving block 45 and extends out of the strip-shaped groove 40, two ends of the guide rail 42 are installed on the inner wall of the clamping block 4, the guide rail 42 is V-shaped and is located at the upper end of the bidirectional screw 44, the sliding block 43 is installed in the middle of the clamping rod 41, the middle of the sliding block 43 is penetrated by the guide rail 42, the motor 46 is started to drive the bidirectional screw 44 to rotate, the bidirectional screw 44 rotates to separate the moving block 45, the moving block 45 is separated to enable the clamping rod 41 to abut against a fixed gear with the inner diameter of the gear, and when the bidirectional screw 44 rotates to drive the moving block 45 to approach, the sliding block 43 moves on the guide rail 42, so that the sliding block 43 drives the clamping rod 41 to move downwards, and the clamping rod 41 can be retracted into the clamping block 4 when not in use, thereby preventing the clamping rod 41 from being damaged.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The intelligent surface grinding device for gear machining is characterized by comprising a supporting table (5), a supporting and moving mechanism (1), a clamping block (4), a driving motor (2) and a grinding mechanism (3), wherein the supporting and moving mechanism (1) is installed at the upper end of the supporting table (5), the driving motor (2) is installed on the supporting and moving mechanism (1), the grinding mechanism (3) is installed at the lower end of the driving motor (2), and the clamping block (4) is installed at the upper end of the supporting table (5) and is located right below the driving motor (2);

grinding machanism (3) including main shaft (6), main polishing dish (12), fixed case (10), auxiliary tank (11), picture peg (22), flexible mechanism and vice grinding machanism of mending, main shaft (6) are installed at driving motor (2) lower extreme, main polishing dish (12) are installed at main shaft (6) lower extreme, fixed case (10) are installed in main shaft (6) side, picture peg (22) are installed at fixed case (10) one end edge, auxiliary tank (11) are inserted to picture peg (22) one end, fixed case (10) and auxiliary tank (11) inside intercommunication, flexible mechanism of mending is installed inside fixed case (10) and auxiliary tank (11), vice grinding machanism installs at auxiliary tank (11) one end downside, still includes first gear (7), second gear (8), main belt wheel (9), auxiliary belt wheel (16) and belt (21), first gear (7) are installed on main shaft (6), second gear (8) are installed inside fixed case (10), first gear (7) and second gear (8) meshing, install in second gear (8) upper end and coaxial with second gear (8) primary pulley (9), install inside auxiliary tank (11) secondary pulley (16), belt (21) cover is established between primary pulley (9) and secondary pulley (16).

2. The intelligent surface grinding device for gear machining according to claim 1, wherein the telescopic correction mechanism comprises a first rack (17), a limiting plate (19), a correction belt wheel (20), a double-layer gear (23), a second rack (24), a limiting block (25), a fixing block (26) and a first micro motor (27), the fixing block (26) is installed inside the auxiliary box (11), the limiting block (25) is installed inside the fixed box (10), the second rack (24) penetrates through the limiting block (25) and one end of the second rack is installed with the fixing block (26), the limiting plate (19) is installed inside the fixed box (10), the first rack (17) penetrates through the limiting plate (19), the first rack (17) is perpendicular to the second rack (24), the correction belt wheel (20) is installed at one end of the first rack (17) and leans against the belt (21), double-deck gear (23) are installed inside fixed case (10), double-deck gear (23) upper strata and first rack (17) meshing, double-deck gear (23) lower floor and second rack (24) meshing, first micro motor (27) are installed at fixed case (10) lower extreme and are driven double-deck gear (23), still include battery (28), battery (28) are installed in first micro motor (27) side.

3. An intelligent surface grinding device for gear processing according to claim 2, further comprising two T-shaped rods (18), wherein one T-shaped rod (18) is installed on the side of the first rack (17) and penetrates through the limiting plate (19), and the other T-shaped rod (18) is installed on the side of the second rack (24) and penetrates through the limiting block (25).

4. The intelligent surface grinding device for gear processing according to claim 1, wherein the secondary grinding mechanism comprises a cylinder (13), a secondary grinding disc (14), a lifting block (30), an upper shaft (33), a lower shaft (35), a clamping block (36), a circular ring strip (37), a rotary circular block (38) and a clamping groove (39), the cylinder (13) is installed at the lower side of one end of the secondary box (11), the upper shaft (33) is coaxial with the secondary pulley (16), the clamping block (36) is installed at the lower end of the upper shaft (33), the circular ring strip (37) is installed at the outer side of the rotary circular block (38), the circular ring strip (37) is clamped inside the lifting block (30), the lifting block (30) abuts against the inner wall of the cylinder (13), the clamping groove (39) is opened at the upper end of the rotary circular block (38), the clamping block (36) is inserted inside the clamping groove (39), the lower shaft (35) is installed at the lower end of the rotary circular block (38) and extends out of the cylinder (13), the auxiliary polishing disc (14) is installed at the lower end of the lower shaft (35), the auxiliary polishing disc further comprises a second micro motor (34) and a threaded rod (31), the threaded rod (31) penetrates through the lifting block (30), and the second micro motor (34) is installed at one end of the threaded rod (31) and fixedly installed on the inner wall of the cylinder (13).

5. The intelligent surface grinding device for gear machining according to claim 4, further comprising a limiting rod (32) and a connecting plate (47), wherein the limiting rod (32) penetrates through the lifting block (30), one end of the limiting rod (32) is fixed to the upper end inside the cylinder (13), and the other ends of the limiting rod (32) and the threaded rod (31) are fixedly mounted to the inner wall of the cylinder (13) through the connecting plate (47).

6. The intelligent surface grinding device for gear machining is characterized by further comprising a controller (48), two side rods (15) and a plurality of distance sensors (29), wherein the two side rods (15) are arranged on the side face of the cylinder (13), the two side rods (15) are arranged on a connecting line of the main shaft (6) and the cylinder (13), the plurality of distance sensors (29) are arranged at the lower ends of the side rods (15), the distance sensors (29) are positioned right above the edge of the auxiliary grinding disc (14), the controller (48) is arranged at the upper ends of the side rods (15), and the two ends of the controller (48) are connected between the distance sensors (29) and the first micro motor (27) through conducting wires.

7. The intelligent surface grinding device for gear processing according to claim 1, further comprising a strip-shaped groove (40), a clamping rod (41), a guide rail (42), a sliding block (43), a bidirectional screw (44), a moving block (45) and a motor (46), the clamping block (4) is hollow, the strip-shaped groove (40) is arranged at the upper end of the clamping block (4), the motor (46) is arranged inside the clamping block (4), the bidirectional screw (44) is arranged on one side of the motor (46), the moving block (45) is sleeved on the bidirectional screw (44), the clamping rods (41) are inserted into two corners of the upper end of the moving block (45) and extend out of the strip-shaped groove (40), the two ends of the guide rail (42) are arranged on the inner wall of the clamping block (4), the guide rail (42) is V-shaped and is positioned at the upper end of the bidirectional screw rod (44), the sliding block (43) is arranged in the middle of the clamping rod (41), and the middle of the sliding block is penetrated by the guide rail (42).