CN116352189A

CN116352189A - Grinding device for gears

Info

Publication number: CN116352189A
Application number: CN202310335252.9A
Authority: CN
Inventors: 张洁; 王飞庭; 陆晨杰
Original assignee: Suzhou Zhuolwang Precision Machinery Co ltd
Current assignee: Suzhou Zhuolwang Precision Machinery Co ltd
Priority date: 2023-03-31
Filing date: 2023-03-31
Publication date: 2023-06-30

Abstract

The invention belongs to the technical field of gear grinding, in particular to a gear grinding device which comprises a displacement mechanism, wherein a fixing mechanism for fixing a gear is arranged on the displacement mechanism, the displacement mechanism drives the fixing mechanism to reciprocate left and right, an adjusting mechanism is arranged on the displacement mechanism, a grinding mechanism for grinding the gear is arranged on the adjusting mechanism in a lifting manner, the grinding mechanism comprises a grinding wheel, and a collecting assembly for cleaning the grinding wheel and preventing grinding slag from splashing is sleeved on the outer side of the grinding wheel. The cleaning plate on the semicircular cover can scrape and clean the outer side of the grinding wheel, so that metal scraps are prevented from being attached to the grinding wheel all the time, and the grinding effect of the grinding wheel is ensured not to be influenced by the metal scraps; the semicircular cover can collect metal scraps generated in the grinding process, particularly, the metal scraps which splash downwards when the outer side edge of the gear is ground can be collected, and the situation that the metal scraps splash outwards is avoided.

Description

Grinding device for gears

Technical Field

The invention relates to the technical field of gear grinding, in particular to a grinding device for gears.

Background

Gear grinding is performed after the gear is cut and heat treated to high hardness; for parts with hardness above 350HB, grinding is necessary, because cutting becomes very difficult, splash metal chips are generated when grinding the top round surface of gear teeth, some grinding devices at present can collect horizontally splash metal chips, while when grinding the edges of gears, the metal chips are inclined downwards, the existing grinding devices cannot collect the inclined downwards splash metal chips, for grinding devices without protective devices, the splash metal chips easily pollute the production environment and easily hurt people, and grinding wheels used for grinding have metal chips adhered to the metal chips during operation, and the metal chips very affect the grinding effect of the grinding wheels.

Disclosure of Invention

The invention provides a grinding device for gears, which aims to solve the defects in the prior art.

In order to achieve the above purpose, the present invention adopts the following technical scheme: the utility model provides a grinding processingequipment that gear was used, includes displacement mechanism, install the fixed establishment who is used for fixed gear on the displacement mechanism, displacement mechanism drives fixed establishment and advances left and right reciprocating motion, install guiding mechanism on the displacement mechanism, the last grinding mechanism who grinds the gear of installing of guiding mechanism, grinding mechanism includes the emery wheel, the outside cover of emery wheel is equipped with and cleans the emery wheel and prevents the collection subassembly that grinding slag splashes.

Preferably, the displacement mechanism comprises a base, two guide rails and two mounting seats are fixedly arranged at the top of the base, two sliding blocks are sleeved on the guide rails in a sliding mode, the same mounting table is fixedly arranged at the top of each sliding block, the same screw rod is sleeved on the two mounting seats in a rotating mode, a moving block is sleeved on the screw rod in a threaded mode, the bottom of each mounting table is fixedly connected with the top of each moving block, a first motor is fixedly arranged on one mounting seat, and an output shaft of the first motor is fixedly connected with one end of the screw rod.

Preferably, the fixed establishment includes the pedestal of fixed mounting at the mount table top, the spout has been seted up at the pedestal top, two arms of symmetric distribution are slided to the spout, and equal fixed mounting in the top of two arms has the motor III, fixed mounting has splint on the output shaft of motor III, the lead screw is rotationally installed to the spout, the lead screw runs through two arms and is in the same place with two arm threaded connection, be equipped with on the lead screw and revolve two sections screw threads opposite to, two arms respectively with corresponding screw thread looks adaptation that revolves to, one side fixed mounting of pedestal has the motor II, the output shaft of motor II and the one end fixed connection of lead screw.

Preferably, the fixed establishment includes two guide arms of fixed mounting on the base, and the top fixed mounting of two guide arms has same roof, and the slip cap is equipped with same sliding sleeve on two guide arms, the top fixed mounting of roof has the cylinder, the piston rod of cylinder runs through the roof and with roof sliding connection, and the piston rod bottom and the top fixed connection of sliding sleeve of cylinder, grinding mechanism is including motor four and the axle sleeve of fixed mounting in the sliding sleeve both sides, the axle sleeve internal rotation is installed transition axle, the one end of transition axle runs through the sliding sleeve and with the output shaft fixed connection of motor four, the one end that the motor four was kept away from to the transition axle extends outside the axle sleeve and fixed mounting has the emery wheel.

Preferably, the collecting assembly comprises an arc cover and a semicircular cover, the arc cover is rotationally sleeved on the outer side of the semicircular cover, a second circular sleeve is fixedly installed on the semicircular cover, a second circular sleeve is fixedly sleeved on the shaft sleeve, the grinding wheel is located in the semicircular cover, a first circular sleeve is fixedly installed on the arc cover, and the first circular sleeve and the second circular sleeve are coaxially arranged.

Preferably, the outside fixed cover of circle cover one is equipped with the worm wheel, collect the subassembly and still include two pole settings of fixed mounting at the mount table top, the equal fixed mounting in top of two pole settings has the elastic telescopic handle, the equal fixed mounting in top of two elastic telescopic handles has the optical axis, and fixed mounting has same rack on two optical axes, the rack meshes with the worm wheel mutually, collect the subassembly and still establish the sleeve in the axle sleeve outside including fixed cover, telescopic outside symmetry fixed mounting has two xarm that the level set up, has seted up the rectangular hole on two xarm, two optical axes run through respectively and correspond rectangular hole and with the inner wall sliding connection who corresponds the rectangular hole, the outside fixed mounting of optical axis has two annular blocks, the xarm is in between two annular blocks.

Preferably, the arc guide holes are formed in two sides of the semicircular cover, the rollers are rotatably mounted on the inner walls of two sides of the arc cover, and the two rollers are in rolling connection with the inner walls of the corresponding arc guide holes respectively.

Preferably, the chip removal port is fixedly arranged on the inner wall of the top of the semicircular cover, the cleaning plate which is obliquely arranged is fixedly arranged on the inner wall of one side of the chip removal port, and the bottom end of the cleaning plate is in sliding connection with the outer side of the grinding wheel.

Preferably, two arc barrier strips are fixedly installed on the inner wall of the arc cover, a V-shaped arrangement is formed between the two arc barrier strips, two baffles are fixedly installed at the bottom of the arc cover, a chip guide plate which is obliquely arranged is fixedly installed at one side, close to the center of a circle, of the round sleeve, and a chip removal pipe is fixedly installed on the baffles in a penetrating mode.

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

1. according to the invention, gears with various sizes can be fixed through the fixing mechanism, and the distance between the grinding wheel on the grinding mechanism and the fixing mechanism can be adjusted through the adjusting mechanism, so that the grinding wheel can grind the outer sides of the gears with various sizes;

2. the outer side of the grinding wheel can be scraped and cleaned through the cleaning plate on the semicircular cover, so that metal scraps are prevented from being attached to the grinding wheel all the time, and the grinding effect of the grinding wheel is ensured not to be influenced by the metal scraps;

3. the semicircular cover can collect metal scraps generated in the grinding process, particularly, the metal scraps which splash downwards when the outer side edge of the gear is ground can be collected, and the situation that the metal scraps splash outwards is avoided.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a gear grinding device according to the present invention;

FIG. 2 is a schematic view of a shifting mechanism of a gear grinding device according to the present invention;

fig. 3 is a schematic structural view of a fixing mechanism in a gear grinding device according to the present invention;

fig. 4 is a schematic structural view of an adjusting mechanism, a grinding mechanism and a collecting assembly in a gear grinding device according to the present invention;

FIG. 5 is a schematic view of a collection assembly in a gear grinding device according to the present invention;

FIG. 6 is a schematic view of the structure of an arc cover and a semi-circular cover in a gear grinding device according to the present invention;

fig. 7 is a front view and a front sectional view of a half wheel cover in a grinding device for gears according to the present invention;

FIG. 8 is a front cross-sectional view of an arcuate shroud in a gear grinding apparatus in accordance with the present invention;

FIG. 9 is a side cross-sectional view of an arcuate shroud in a gear grinding apparatus in accordance with the present invention;

FIG. 10 is a front view of a grinding wheel and an arc cover and a schematic view of splashing of metal scraps at the center of the outer side of a grinding wheel grinding gear in a gear grinding device;

fig. 11 is a front view of a grinding wheel and an arc cover of a gear grinding device and a schematic view of splashing of metal scraps at the outer side edge of a grinding wheel grinding gear.

In the figure: 1. a displacement mechanism; 11. a base; 12. a guide rail; 13. a slide block; 14. a mounting base; 15. a screw; 16. a mounting table; 17. a first motor; 2. a fixing mechanism; 21. a pedestal; 22. a chute; 23. a screw rod; 24. a second motor; 25. a vertical arm; 26. a third motor; 27. a clamping plate; 3. an adjusting mechanism; 31. a guide rod; 32. a sliding sleeve; 33. a top plate; 34. a cylinder; 4. a grinding mechanism; 41. a fourth motor; 42. a transition shaft; 43. a shaft sleeve; 44. grinding wheel; 5. a collection assembly; 51. a vertical rod; 52. an elastic telescopic rod; 53. an optical axis; 531. an annular block; 54. a rack; 55. a sleeve; 56. a cross arm; 561. a rectangular hole; 57. an arc-shaped cover; 571. a first round sleeve; 572. a baffle; 573. a chip removal tube; 574. a chip guide plate; 575. a roller; 576. an arc-shaped barrier strip; 58. a semi-circular cover; 581. a second round sleeve; 582. a chip removal port; 583. a cleaning plate; 584. arc guide holes; 59. a worm wheel.

Detailed Description

The following description of the embodiments of the present invention will be made more apparent and fully hereinafter with reference to the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1 to 11, the present invention provides a technical solution: the utility model provides a grinding processingequipment that gear was used, includes displacement mechanism 1, installs the fixed establishment 2 that is used for fixed gear on the displacement mechanism 1, and displacement mechanism 1 drives fixed establishment 2 and advances left and right reciprocating motion, installs guiding mechanism 3 on the displacement mechanism 1, and the last over-and-under type of guiding mechanism 3 installs the grinding mechanism 4 that grinds the gear, and grinding mechanism 4 includes emery wheel 44, and the outside cover of emery wheel 44 is equipped with and cleans emery wheel 44 and prevents the collection subassembly 5 that the grinding slag splashes.

The displacement mechanism 1 comprises a base 11, two guide rails 12 and two mounting seats 14 are fixedly arranged at the top of the base 11, two sliding blocks 13 are sleeved on the guide rails 12 in a sliding mode, the same mounting table 16 is fixedly arranged at the top of each sliding block 13, the same screw 15 is sleeved on each mounting seat 14 in a rotating mode, a moving block is sleeved on each screw 15 in a threaded mode, the bottom of each mounting table 16 is fixedly connected with the top of each moving block, a first motor 17 is fixedly arranged on one mounting seat 14, and an output shaft of the first motor 17 is fixedly connected with one end of each screw 15.

The fixing mechanism 2 comprises a pedestal 21 fixedly arranged at the top of the mounting table 16, a sliding groove 22 is formed in the top of the pedestal 21, two vertical arms 25 which are symmetrically distributed are slidably arranged in the sliding groove 22, a motor III 26 is fixedly arranged at the top of each of the two vertical arms 25, a clamping plate 27 is fixedly arranged on an output shaft of the motor III 26, a screw rod 23 is rotatably arranged in the sliding groove 22, the screw rod 23 penetrates through the two vertical arms 25 and is in threaded connection with the two vertical arms 25, two sections of threads which are opposite in rotation direction are arranged on the screw rod 23, the two vertical arms 25 are respectively matched with threads corresponding to the rotation direction, a motor II 24 is fixedly arranged on one side of the pedestal 21, and an output shaft of the motor II 24 is fixedly connected with one end of the screw rod 23.

The fixing mechanism 2 comprises two guide rods 31 fixedly installed on the base 11, the top ends of the two guide rods 31 are fixedly provided with a same top plate 33, the two guide rods 31 are sleeved with a same sliding sleeve 32 in a sliding mode, the top of the top plate 33 is fixedly provided with a cylinder 34, a piston rod of the cylinder 34 penetrates through the top plate 33 and is in sliding connection with the top plate 33, the bottom end of the piston rod of the cylinder 34 is fixedly connected with the top of the sliding sleeve 32, the grinding mechanism 4 comprises a motor IV 41 and a shaft sleeve 43 which are fixedly installed on two sides of the sliding sleeve 32, a transition shaft 42 is rotatably installed in the shaft sleeve 43, one end of the transition shaft 42 penetrates through the sliding sleeve 32 and is fixedly connected with an output shaft of the motor IV 41, and one end of the transition shaft 42, far away from the motor IV 41, extends out of the shaft sleeve 43 and is fixedly provided with a grinding wheel 44.

The collecting assembly 5 comprises an arc-shaped cover 57 and a semicircular cover 58, the arc-shaped cover 57 is rotatably sleeved on the outer side of the semicircular cover 58, a second circular sleeve 581 is fixedly installed on the semicircular cover 58, the second circular sleeve 581 is fixedly sleeved on the shaft sleeve 43, the grinding wheel 44 is located in the semicircular cover 58, a first circular sleeve 571 is fixedly installed on the arc-shaped cover 57, and the first circular sleeve 571 and the second circular sleeve 581 are coaxially arranged.

The outside fixed cover of circle cover one 571 is equipped with worm wheel 59, collection subassembly 5 still includes two pole setting 51 of fixed mounting at the mount table 16 top, the equal fixed mounting in top of two pole setting 51 has flexible telescopic link 52, the equal fixed mounting in top of two flexible telescopic link 52 has optical axis 53, fixed mounting has same rack 54 on two optical axes 53, rack 54 meshes with worm wheel 59, collection subassembly 5 still includes the sleeve 55 of fixed cover in the axle sleeve 43 outside, two horizontal arms 56 of horizontal setting are installed to the outside symmetry of sleeve 55, rectangular hole 561 has been seted up on two horizontal arms 56, two optical axes 53 run through respectively and correspond rectangular hole 561 and with the inner wall sliding connection who corresponds rectangular hole 561, the outside fixed mounting of optical axis 53 has two annular blocks 531, horizontal arm 56 is in between two annular blocks 531.

Further, when the sliding sleeve 32, the shaft sleeve 43 and the sleeve 55 drive the cross arm 56 to move up and down, the cross arm 56 stretches or compresses the elastic telescopic rod 52 through the two annular blocks 531, and in the process, the distance between the rack 54 and the central axis of the worm gear 59 is always unchanged, so that the rack 54 and the worm gear 59 are always in a stable meshed state.

Arc guide holes 584 are formed in two sides of the semicircular cover 58, rollers 575 are rotatably mounted on inner walls of two sides of the arc cover 57, and the two rollers 575 are in rolling connection with inner walls of the corresponding arc guide holes 584 respectively.

Further, by means of the cooperation of the arc guide hole 584 and the roller 575, the rotation range of the arc cover 57 is limited, the arc cover 57 will rotate correspondingly in the process that the grinding wheel 44 moves from the middle of the gear to the end face, and gears suitable for the rotation range of the arc cover 57 can be polished on the outer side of the arc cover 57.

The top inner wall of the semicircular cover 58 is fixedly provided with a chip removal opening 582, one side inner wall of the chip removal opening 582 is fixedly provided with a cleaning plate 583 which is obliquely arranged, and the bottom end of the cleaning plate 583 is in sliding connection with the outer side of the grinding wheel 44.

Further, as shown in fig. 7, for the grinding wheel 44 rotated clockwise, the bottom end of the sweeping plate 583 will sweep the outside of the grinding wheel 44, so that the metal chips adhered to the outside of the grinding wheel 44 can be scraped off, thereby completing the cleaning of the outside of the grinding wheel 44, and the metal chips swept off can pass through the exhaust port 582 along the inclined sweeping plate 583 and out of the semicircular cover 58, and the metal chips discharged from the exhaust port 582 can enter the arc-shaped cover 57.

Two arc barrier strips 576 are fixedly arranged on the inner wall of the arc cover 57, a V-shaped structure is formed between the two arc barrier strips 576, two baffle plates 572 are fixedly arranged at the bottom of the arc cover 57, a chip guide plate 574 which is obliquely arranged is fixedly arranged on one side of the baffle plates 572, which is close to the circle center of the circular sleeve 571, and a chip removal pipe 573 is fixedly arranged on the baffle plates 572 in a penetrating mode.

Further, since the two arcuate ribs 576 are disposed in a V-shape, a wide inlet and narrow outlet channel is formed along which metal debris can easily enter the arcuate cover 57, and metal debris entering the arcuate cover 57 is less likely to leak out of the channel.

In this embodiment: when the grinding device is used, a gear to be ground is placed between the two clamping plates 27, the motor II 24 is started, the motor II 24 rotates and drives the screw rod 23 to rotate, the two vertical arms 25 are driven to be close to each other under the action of the rotation of the screw rod 23, the two clamping plates 27 are close to each other and clamp the gear, and in the process, the axis of the gear is overlapped with the axis of the motor III 26 by adjusting the position of the gear;

then the height of the sliding sleeve 32 is controlled by the expansion and contraction of the air cylinder 34, so that the grinding wheel 44 is positioned right above the gear and is attached to the outer side of the gear, then the motor IV 41 is started to drive the transition shaft 42 to rotate, the transition shaft 42 drives the grinding wheel 44 to rotate, and the rotating grinding wheel 44 can grind the outer side of the gear;

as shown in fig. 10, when the grinding wheel 44 is positioned right above the gear, the arc cover 57 is also positioned in a horizontal state, at this time, the scraps generated by grinding the gear by the grinding wheel 44 will splash horizontally on the scraps guide plate 574, and then the metal scraps strike on the slopes of the two arc-shaped barrier strips 576 along the inclined scraps guide plate 574 and enter the arc cover 57, and the metal scraps entering the arc cover 57 are not easy to leak out due to the wide inlet and narrow outlet between the two arc-shaped barrier strips 576;

the screw 15 can be rotated positively and negatively by controlling the rotation direction of the first motor 17, the screw 15 drives the mounting table 16 to reciprocate left and right through the moving block, the mounting table 16 drives the gear on the fixing mechanism 2 to reciprocate left and right, the grinding wheel 44 completely grinds the outer side of the gear in the process of reciprocating the gear, then the two motors three 26 are controlled to deflect a certain angle, the two clamping plates 27 drive the gear to deflect a certain angle, and then the other part of the outer side of the gear is ground in the process of reciprocating the fixing mechanism 2 left and right again, and the whole outer side of the gear is completely ground after the gear rotates for one circle;

as shown in fig. 11, in the process of the left-right reciprocating movement of the mounting table 16, the rack 54 is driven by the two upright posts 51 and the two optical axes 53 to reciprocate left and right to drive the worm wheel 59 to rotate, the worm wheel 59 drives the arc cover 57 to rotate by the round sleeve 571, the rotating arc cover 57 enables the chip guide plate 574 on one side to be positioned below the top of the gear, at the moment, metal chips generated when the grinding wheel 44 grinds the edge of the gear are scattered downwards obliquely to impact on the chip guide plate 574 positioned at the lower position, and then the metal chips impact on the slopes of the two arc baffle strips 576 along the inclined chip guide plate 574 and enter the arc cover 57, and the metal chips entering the arc cover 57 are not easy to leak out due to the wide inlet and narrow outlet between the two arc baffle strips 576;

as shown in fig. 7, as the grinding wheel 44 within the half-round 58 rotates clockwise, the sweep plate 583 will sweep over the outside of the grinding wheel 44 and metal debris scraped off the outside of the grinding wheel 44 by the sweep plate 583 will follow the inclined sweep plate 583 through the exhaust port 582 and into the arcuate shroud 57 along the slopes of the two arcuate bars 576;

as shown in fig. 6 and 8, when the arc cover 57 is horizontal, the metal chips entering the arc cover 57 will fall onto the two baffles 572 along the two arc-shaped barrier strips 576, and by connecting the two baffles 572 with the external connection pipe, the metal chips in the arc cover 57 can be guided away, and the metal chips are prevented from accumulating in the arc cover 57.

The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.

Claims

1. The utility model provides a grinding device that gear was used, includes displacement mechanism (1), its characterized in that: install fixed establishment (2) that are used for fixed gear on displacement mechanism (1), displacement mechanism (1) drive fixed establishment (2) and advance left and right sides reciprocating motion, install guiding mechanism (3) on displacement mechanism (1), guiding mechanism (3) up-down type installs grinding mechanism (4) to the gear grinding, grinding mechanism (4) include emery wheel (44), the outside cover of emery wheel (44) is equipped with and carries out cleanness to emery wheel (44) and prevents collection subassembly (5) that grinding slag splashes.

2. A gear grinding device according to claim 1, wherein: the displacement mechanism (1) comprises a base (11), two guide rails (12) and two mounting seats (14) are fixedly arranged at the top of the base (11), two sliding blocks (13) are sleeved on the guide rails (12) in a sliding mode, one mounting table (16) is fixedly arranged at the top of each sliding block (13), one screw (15) is sleeved on each mounting seat (14) in a rotating mode, a moving block is sleeved on each screw (15), the bottom of each mounting table (16) is fixedly connected with the top of each moving block, a motor I (17) is fixedly arranged on one mounting seat (14), and an output shaft of the motor I (17) is fixedly connected with one end of each screw (15).

3. A gear grinding device according to claim 2, wherein: the fixing mechanism (2) comprises a pedestal (21) fixedly mounted at the top of the mounting table (16), a sliding groove (22) is formed in the top of the pedestal (21), two vertical arms (25) which are symmetrically distributed are slidably mounted in the sliding groove (22), a motor III (26) is fixedly mounted at the top of each of the two vertical arms (25), a clamping plate (27) is fixedly mounted on an output shaft of the motor III (26), a screw rod (23) is rotatably mounted in the sliding groove (22), the screw rod (23) penetrates through the two vertical arms (25) and is connected with the two vertical arms (25) in a threaded mode, two sections of threads which are opposite in rotation direction are formed in the screw rod (23), the two vertical arms (25) are respectively matched with the threads which are corresponding to the rotation direction, a motor II (24) is fixedly mounted on one side of the pedestal (21), and the output shaft of the motor II (24) is fixedly connected with one end of the screw rod (23).

4. A gear grinding device according to claim 2, wherein: the utility model provides a grinding mechanism (2) is including two guide arms (31) of fixed mounting on base (11), and the top fixed mounting of two guide arms (31) has same roof (33), and the slip cap is equipped with same sliding sleeve (32) on two guide arms (31), the top fixed mounting of roof (33) has cylinder (34), the piston rod of cylinder (34) runs through roof (33) and with roof (33) sliding connection, and the piston rod bottom of cylinder (34) and the top fixed connection of sliding sleeve (32), grinding mechanism (4) include motor IV (41) and axle sleeve (43) of fixed mounting in sliding sleeve (32) both sides, transition axle (42) are installed in axle sleeve (43) internal rotation, the one end of transition axle (42) runs through sliding sleeve (32) and with the output shaft fixed connection of motor IV (41), the one end that motor IV (41) was kept away from to transition axle (42) extends outside axle sleeve (43) and fixed mounting has emery wheel (44).

5. A gear grinding device according to claim 4, wherein: the collecting assembly (5) comprises an arc-shaped cover (57) and a semi-circular cover (58), the arc-shaped cover (57) is rotationally sleeved on the outer side of the semi-circular cover (58), a second circular sleeve (581) is fixedly installed on the semi-circular cover (58), the second circular sleeve (581) is fixedly sleeved on the shaft sleeve (43), the grinding wheel (44) is located in the semi-circular cover (58), a first circular sleeve (571) is fixedly installed on the arc-shaped cover (57), and the first circular sleeve (571) and the second circular sleeve (581) are coaxially arranged.

6. A gear grinding device according to claim 5, wherein: the outside fixed cover of circle cover one (571) is equipped with worm wheel (59), collection subassembly (5) still include two pole settings (51) of fixed mounting at mount table (16) top, and the equal fixed mounting in top of two pole settings (51) has elastic expansion rod (52), and the equal fixed mounting in top of two elastic expansion rods (52) has optical axis (53), and fixed mounting has same rack (54) on two optical axis (53), rack (54) meshes with worm wheel (59), collection subassembly (5) still include fixed cover establish sleeve (55) in the axle sleeve (43) outside, two cross arms (56) of level setting are offered to outside symmetry fixed mounting of sleeve (55), rectangular hole (561) have been seted up on two cross arms (56), and two optical axis (53) run through respectively and correspond rectangular hole (561) and with the inner wall sliding connection of rectangular hole (561), the outside fixed mounting of optical axis (53) has two annular piece (531), cross arm (56) are in between two annular piece (531).

7. A gear grinding device according to claim 5, wherein: arc guide holes (584) are formed in two sides of the semicircular cover (58), rollers (575) are rotatably mounted on inner walls of two sides of the arc cover (57), and the two rollers (575) are in rolling connection with inner walls of the corresponding arc guide holes (584) respectively.

8. A gear grinding device according to claim 5, wherein: the chip removal opening (582) is fixedly mounted on the top inner wall of the semicircular cover (58), the cleaning plate (583) which is obliquely arranged is fixedly mounted on the inner wall of one side of the chip removal opening (582), and the bottom end of the cleaning plate (583) is in sliding connection with the outer side of the grinding wheel (44).

9. A gear grinding device according to claim 5, wherein: two arc blend stops (576) are fixedly mounted on the inner wall of the arc cover (57), a V-shaped structure is formed between the two arc blend stops (576), two baffles (572) are fixedly mounted at the bottom of the arc cover (57), a chip guide plate (574) which is obliquely arranged is fixedly mounted on one side, close to the center of a circle (571), of the baffle (572), and a chip removal pipe (573) is fixedly mounted on the baffle (572) in a penetrating mode.