CN112091790A

CN112091790A - Overturning tool for fine grinding of transmission gear of automobile gearbox

Info

Publication number: CN112091790A
Application number: CN202011094322.9A
Authority: CN
Inventors: 李建和; 孙刚; 刘训合; 毕研雷; 李咏臻; 赵洪胜; 亓官华; 葛敬水
Original assignee: Jinan Jianrong Precision Machinery Co Ltd
Current assignee: Jinan Jianrong Precision Machinery Co Ltd
Priority date: 2020-10-14
Filing date: 2020-10-14
Publication date: 2020-12-18

Abstract

The invention relates to the technical field of transmission gears of automobile transmissions, and discloses an overturning tool for fine grinding of the transmission gears of the automobile transmissions, which comprises a fixed frame plate, wherein an overturning and polishing mechanism is arranged in the fixed frame plate; the overturning polishing mechanism comprises a fixed column, a motor shaft, a first bearing, a connecting rod, a first fixed cylinder, a partition plate, a fixture block and a first spring. According to the invention, the first spring, the first fixing rod, the second bearing and the second fixing blocks are arranged in the first fixing cylinder, so that gears with different sizes can be placed between the two second fixing blocks by using the first spring and the first fixing rod, the gears with different sizes can be clamped and polished, the second fixing blocks can be rotated through the second bearing, the second fixing blocks are turned over, accurate grinding and rough grinding are switched according to polishing requirements, and not only is the side surfaces of the gears polished through the second grinding blocks on the first fixing cylinder.

Description

Overturning tool for fine grinding of transmission gear of automobile gearbox

Technical Field

The invention relates to the technical field of transmission gears of automobile transmissions, in particular to an overturning tool for fine grinding of the transmission gears of the automobile transmissions.

Background

With the continuous improvement of the living standard of people, the automobile holding capacity is continuously improved, the manufacturers of parts for manufacturing automobiles and producing supporting facilities on the market are continuously increased, the gearbox is an important part on the automobile, the transmission ratio can be changed, and the torque and the rotating speed of a driving wheel are enlarged. With the development of modern science and technology, the gearbox has also been upgraded, and it is more and more convenient to control. At present, gasoline engines are widely used on automobiles, the torque and rotating speed change range is small, the requirements of the automobiles on traction force and running speed under various working conditions cannot be met, and a gearbox is required to solve the contradiction. The quality of the performance of the gearbox is the key for measuring the dynamic property, the economical efficiency and the drivability of the engineering machinery.

The patent number CN201920089399.3 discloses a turnover tool for fine grinding of a transmission gear of an automobile gearbox, and aims to solve the problems that the traditional turnover tool is few, has great limitation and is inconvenient to use, and the turnover tool comprises a processing table, a plurality of supporting legs arranged at the lower end of the processing table and a top plate arranged at the upper end of the processing table through two symmetrical mounting plates, and is characterized in that a turnover device is arranged on the inner wall of one mounting plate, a fine grinding device is arranged at the other end of the turnover device and arranged on the side wall of a sliding plate, the two ends of the sliding plate are respectively connected with the upper end of the processing table and the lower end of the top plate in a sliding manner, and a propelling component is arranged at the lower end; the utility model relates to a motor transmission drive gear is upset frock for correct grinding, the meticulous of being particularly useful for automobile gear part is polished, has higher commercial prospect.

However, the existing overturning tool for accurately grinding the transmission gear of the automobile gearbox cannot switch rough grinding and accurate grinding of the gear according to requirements, and can not accurately grind and fix the gears with different sizes, and moreover, the number of the gears accurately ground at one time is small.

Disclosure of Invention

The invention aims to provide an overturning tool for fine grinding of a transmission gear of an automobile gearbox, and solves the problems in the background art.

In order to achieve the purpose, the invention provides the following technical scheme: an overturning tool for fine grinding of a transmission gear of an automobile gearbox comprises a fixed frame plate, wherein an overturning and polishing mechanism is arranged inside the fixed frame plate;

the overturning and polishing mechanism comprises a fixed column, a motor shaft, a first bearing, a connecting rod, a first fixed barrel, a partition plate, a fixture block, a first spring, a first fixed rod, a first fixed block, a second bearing, a rotating rod, a second fixed block, a first grinding block and a second grinding block; a fixed column is fixedly connected in the middle of the bottom end in the fixed frame plate, a motor is fixedly connected at the top of the fixed column, a motor shaft is rotatably connected at the top of the motor shaft, a first bearing is rotatably connected at the top of the motor shaft, one end of a connecting rod is fixedly connected at each of the left side and the right side of the motor shaft, a first fixed cylinder is fixedly connected at the other end of the connecting rod, a partition plate is fixedly connected in the middle of the inner part of the first fixed cylinder, one end of a clamping plate is attached to each of the upper side and the lower side of each partition plate, a first fixed rod is fixedly connected at the other end of the clamping plate, one end of the first fixed rod, which is far away from the clamping block, penetrates through a first spring and the first fixed cylinder to be fixedly connected with a first fixed block, a second bearing, the two ends of the second fixing block are connected with first grinding blocks through bolts, the two first grinding blocks are respectively a fine grinding block and a coarse grinding block, and the right side of the first fixing cylinder is connected with a second grinding block through bolts.

As a preferred embodiment of the invention, the bottom ends of the left side and the right side of the inner wall of the fixed frame plate are fixedly connected with fixed rings, fixed columns penetrate through the fixed rings, the top of each fixed ring is provided with an annular groove, the inner wall of each annular groove is provided with a tooth groove, and the bottom of each connecting rod is connected with a third grinding block through a bolt.

As a preferred embodiment of the present invention, one end of the bottom of the connecting rod is fixedly connected with a second fixing rod, the bottom of the second fixing rod passes through the fixing ring to be rotatably connected with a rotating wheel, and the bottom of the rotating wheel is attached with a fixing frame plate.

As a preferred embodiment of the present invention, an electro-hydraulic push rod is bolted to the middle of the top end inside the fixed frame plate, the bottom of the electro-hydraulic push rod and the top of the first bearing are both fixedly connected with a third fixed block, the left and right sides and the front and rear sides of the third fixed block are both fixedly connected with a second fixed cylinder, a second spring is welded at one end inside the second fixed cylinder, which is close to the third fixed block, a telescopic rod penetrates through the inside of the second fixed cylinder, a second spring is welded at one end of the telescopic rod inside the second fixed cylinder, and a damping block is fixedly connected to the other end of the telescopic rod.

As a preferred embodiment of the present invention, circular holes are formed in both the upper and lower sides of the first fixing cylinder, clamping grooves are formed in both the front and rear sides of the circular hole, clamping blocks are fixedly connected to both the front and rear sides of the first fixing rod, the clamping blocks are located inside the first spring, and the outer sides of the clamping blocks are clamped in the clamping grooves.

As a preferred embodiment of the present invention, the upper end and the lower end of the first fixing block far from the second fixing block are respectively attached with a fixing bolt, one end of the fixing bolt passes through the first fixing block, and the fixing bolt is in threaded connection with a threaded hole on the second fixing block.

As a preferred embodiment of the present invention, the first fixing cylinder, the second fixing cylinder, the first fixing rod, the second fixing rod, the rotating rod, the first fixing block, the second fixing block, the third fixing block, the fixing ring and the telescopic rod are all made of stainless metal.

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

1. according to the invention, the first spring, the first fixed rod, the second bearing and the second fixed blocks are arranged in the first fixed cylinder, so that gears with different sizes can be placed between the two second fixed blocks by using the first spring and the first fixed rod, the gears with different sizes can be clamped and polished, the second fixed blocks can be rotated through the second bearing, the second fixed blocks can be turned over, fine grinding and coarse grinding can be switched according to polishing requirements, and in addition, the side surfaces of the gears can be polished through the second grinding blocks on the first fixed cylinder, so that the turning tool for fine grinding of the transmission gear of the automobile gearbox is more practical.

2. According to the invention, the fixing ring, the annular groove in the fixing ring and the third grinding block on the connecting rod are arranged in the fixing frame plate, so that the third grinding block can be driven to rotate simultaneously in the rotating process of the connecting rod to grind a plurality of gears in the annular groove, and the gears can be limited through the tooth grooves in the annular groove, thereby avoiding the situation that the gears move to influence the grinding effect in the grinding process, and being beneficial to more practically using the overturning tool for accurately grinding the transmission gear of the automobile gearbox.

3. According to the invention, the second fixed cylinder, the second spring and the damping block on the third fixed block can be used for fixing gears with different sizes by using the second spring and the damping block on the third fixed block, so that the overturning tool for fine grinding of the transmission gear of the automobile gearbox is more practically used.

4. According to the invention, the connecting rod is provided with the second fixing rod and the rotating wheel, so that the rotating wheel and the second fixing rod can be used for supporting the connecting rod, the rotation of the connecting rod cannot be influenced, and the overturning tool for fine grinding of the transmission gear of the automobile gearbox is more practical.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic overall structure diagram of an overturning tool for fine grinding of a transmission gear of an automobile gearbox;

FIG. 2 is a schematic diagram of a turnover mechanism of the turnover tool for fine grinding of the transmission gear of the automobile gearbox;

FIG. 3 is a schematic structural diagram of an annular groove of the turnover tool for fine grinding of the transmission gear of the automobile gearbox;

FIG. 4 is a schematic structural view of a clamping groove of the overturning tool for fine grinding of the transmission gear of the automobile gearbox;

fig. 5 is a schematic diagram of the internal structure of a second fixed cylinder of the overturning tool for fine grinding of the transmission gear of the automobile gearbox.

In the figure: 1. fixing the frame plate; 2. fixing a column; 3. a motor; 4. a motor shaft; 5. a first bearing; 6. a connecting rod; 7. a first fixed cylinder; 8. a third grinding block; 9. a damping block; 10. a second fixing bar; 11. a rotating wheel; 12. a fixing ring; 13. an electro-hydraulic push rod; 14. a third fixed block; 15. a partition plate; 16. clamping a plate; 17. a first fixing lever; 18. a first spring; 19. a clamping block; 20. a second grinding block; 21. a first fixed block; 22. a second bearing; 23. rotating the rod; 24. a second fixed block; 25. a first grinding block; 26. fixing the bolt; 27. an annular groove; 28. a circular hole; 29. a card slot; 30. a second fixed cylinder 31, a second spring 32, a telescopic rod 33 and a tooth socket.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention; in the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can, for example, be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-5, the present invention provides a technical solution: an overturning tool for fine grinding of a transmission gear of an automobile gearbox comprises a fixed frame plate 1, wherein an overturning and polishing mechanism is arranged inside the fixed frame plate 1;

the overturning and polishing mechanism comprises a fixed column 2, a motor 3, a motor shaft 4, a first bearing 5, a connecting rod 6, a first fixed cylinder 7, a partition plate 15, a clamping plate 16, a first spring 18, a first fixed rod 17, a first fixed block 21, a second bearing 22, a rotating rod 23, a second fixed block 24, a first grinding block 25 and a second grinding block 20; a fixed column 2 is fixedly connected to the middle of the bottom end inside the fixed frame plate 1, a motor 3 is fixedly connected to the top of the fixed column 2, a motor shaft 4 is rotatably connected to the top of the motor 3, a first bearing 5 is rotatably connected to the top of the motor shaft 4, one end of a connecting rod 6 is fixedly connected to each of the left side and the right side of the motor shaft 4, a first fixed cylinder 7 is fixedly connected to the other end of the connecting rod 6, a partition plate 15 is fixedly connected to the middle inside of the first fixed cylinder 7, one end of a clamping plate 16 is attached to each of the upper side and the lower side of the partition plate 15, a first fixed rod 17 is fixedly connected to the other end of the clamping plate 16, one end of the first fixed rod 17, which is far away from a clamping block 19, penetrates through a first spring 18 and is fixedly connected to a first fixed block 21, a second bearing 22 is fixedly, the welding of the one end that second bearing 22 was kept away from to rotary rod 23 has second fixed block 24, the equal bolted connection in both ends has first abrasive brick 25 about second fixed block 24, and two first abrasive bricks 25 are smart abrasive brick and coarse grinding piece respectively, the bolted connection in first fixed section of thick bamboo 7 right side has second abrasive brick 20.

Referring to fig. 1-5 in the present embodiment, the bottom ends of the left and right sides of the inner wall of the fixed frame plate 1 are fixedly connected with fixed rings 12, the fixed columns 2 penetrate through the fixed rings 12, the top of the fixed rings 12 is provided with an annular groove 27, the inner wall of the annular groove 27 is provided with a tooth space 33, and the bottom of the connecting rod 6 is bolted with a third grinding block 8.

Referring to fig. 1-5 in the present embodiment, one end of the bottom of the connecting rod 6 is fixedly connected with a second fixing rod 10, the bottom of the second fixing rod 10 penetrates through a fixing ring 12 to be rotatably connected with a rotating wheel 11, and the bottom of the rotating wheel 11 is attached to a fixing frame plate 1.

In this embodiment, referring to fig. 1 to 5, an electro-hydraulic push rod 13 is bolted to the middle of the top end inside the fixed frame plate 1, a third fixed block 14 is fixedly connected to the bottom of the electro-hydraulic push rod 13 and the top of the first bearing 5, second fixed cylinders 30 are fixedly connected to the left side, the right side, the front side and the rear side of the third fixed block 14, a second spring 31 is welded to one end, close to the third fixed block 14, inside the second fixed cylinder 30, a telescopic rod 32 penetrates through the inside of the second fixed cylinder 30, a second spring 31 is welded to one end, located inside the second fixed cylinder 30, of the telescopic rod 32, and a damping block 9 is fixedly connected to the other end of the telescopic rod 32.

Referring to fig. 1-5 in the present embodiment, circular holes 28 are formed in the upper and lower sides of the first fixing cylinder 7, clamping grooves 29 are formed in the front and rear sides of the circular hole 28, clamping blocks 19 are fixedly connected to the front and rear sides of the first fixing rod 17, the clamping blocks 19 are located inside the first spring 18, and the outer sides of the clamping blocks 19 are clamped in the clamping grooves 29.

Referring to fig. 1 to 5 in the present embodiment, the upper end and the lower end of the first fixing block 21 away from the second fixing block 24 are both attached with a fixing bolt 26, one end of the fixing bolt 26 passes through the first fixing block 21, and the fixing bolt 26 is in threaded connection with a threaded hole on the second fixing block 24.

Referring to fig. 1 to 5, in the present embodiment, the first fixing cylinder 7, the second fixing cylinder 30, the first fixing rod 17, the second fixing rod 10, the rotating rod 23, the first fixing block 21, the second fixing block 24, the third fixing block 14, the fixing ring 12, and the telescopic rod 32 are made of stainless metal.

When the overturning tool for fine grinding of the transmission gear of the automobile gearbox is used, the overturning tool for fine grinding of the transmission gear of the automobile gearbox needs to be explained, and comprises a frame plate 1 and a fixed frame plate; 2. fixing a column; 3. a motor; 4. a motor shaft; 5. a first bearing; 6. a connecting rod; 7. a first fixed cylinder; 8. a third grinding block; 9. a damping block; 10. a second fixing bar; 11. a rotating wheel; 12. a fixing ring; 13. an electro-hydraulic push rod; 14. a third fixed block; 15. a partition plate; 16. clamping a plate; 17. a first fixing lever; 18. a first spring; 19. a clamping block; 20. a second grinding block; 21. a first fixed block; 22. a second bearing; 23. rotating the rod; 24. a second fixed block; 25. a first grinding block; 26. fixing the bolt; 27. an annular groove; 28. a circular hole; 29. a card slot; 30. the second fixed cylinder 31, the second spring 32, the telescopic rod 33, the tooth socket, and the components are all universal standard components or components known to those skilled in the art, and the structure and principle thereof can be known by technical manuals or by routine experiments.

When the gear fixing device is used, the electro-hydraulic push rod 13 and the motor 3 are electrically connected with an external power supply, the electro-hydraulic push rod 13 and the motor 3 are connected with an external control switch through signals, after the connection is completed, the gear is placed on the third fixing block 14 of the first bearing 5, then the electro-hydraulic push rod 13 is opened, the electro-hydraulic push rod 13 is used for driving the third fixing block 14 to move downwards and penetrate through the central position of the gear, the gear is abutted against the inner wall of the gear through the second spring 31, the telescopic rod 32 and the damping block 9 to be fixed, after the fixation is completed, the gear is abutted against the second fixing block 24, the second fixing block 24 is abutted against the first fixing block 21 and the second fixing block 24 through the first spring 18, so that gears with different sizes are clamped, then the motor 3 is opened, the motor shaft 4 is driven by the motor shaft 4, the connecting rod, first fixed cylinder 7 drives first fixed block 21 and second fixed block 24, utilize first abrasive brick 25 on the second fixed block 24 to polish the gear, second abrasive brick 20 on the first fixed cylinder 7 also can polish the gear side simultaneously, when needs carry out the corase grind to the gear, can rotate fixing bolt 26, make fixing bolt 26 break away from the screw hole on the second fixed block 24, then through the rotatory second fixed block 24 of second bearing 22, make the corase grind piece face to the gear, carry out the corase grind to the gear, at connecting rod 6 pivoted in-process, can drive third abrasive brick 8 and rotate, polish the gear in the ring channel 27, owing to set up second dead lever 10 and runner at connecting rod 6, can utilize runner 11 and second dead lever 10 to support connecting rod 6, and can not influence the rotation of connecting rod 6.

While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a motor transmission drive gear correct grinding is with upset frock, includes fixed deckle board (1), its characterized in that: the fixed frame plate (1) is internally provided with a turnover polishing mechanism;

the overturning and polishing mechanism comprises a fixing column (2), a motor (3), a motor shaft (4), a first bearing (5), a connecting rod (6), a first fixing barrel (7), a partition plate (15), a clamping plate (16), a first spring (18), a first fixing rod (17), a first fixing block (21), a second bearing (22), a rotating rod (23), a second fixing block (24), a first grinding block (25) and a second grinding block (20); a fixed column (2) is fixedly connected to the middle of the bottom end in the fixed frame plate (1), a motor (3) is fixedly connected to the top of the fixed column (2), a motor shaft (4) is rotatably connected to the top of the motor (3), a first bearing (5) is rotatably connected to the top of the motor shaft (4), one end of a connecting rod (6) is fixedly connected to each of the left side and the right side of the motor shaft (4), a first fixed cylinder (7) is fixedly connected to the other end of the connecting rod (6), a partition plate (15) is fixedly connected to the middle in the first fixed cylinder (7), one end of a clamping plate (16) is attached to each of the upper side and the lower side of the partition plate (15), a first fixed rod (17) is fixedly connected to the other end of the clamping plate (16), one end, far away from a clamping block (19), of the first fixed rod (17) penetrates through a first spring, first fixed block (21) one end fixedly connected with second bearing (22), the one end rotation that first fixed block (21) was kept away from in second bearing (22) is connected with rotary rod (23), the one end welding that second bearing (22) was kept away from in rotary rod (23) has second fixed block (24), the equal bolted connection in both ends has first abrasive brick (25) about second fixed block (24), and two first abrasive bricks (25) are smart abrasive brick and coarse grinding piece respectively, first fixed section of thick bamboo (7) right side bolted connection has second abrasive brick (20).

2. The automobile transmission gear fine grinding overturning tool according to claim 1, characterized in that: fixed deckle board (1) inner wall left and right sides bottom equal fixedly connected with solid fixed ring (12), and solid fixed ring (12) inside run through have fixed column (2), ring channel (27) have been seted up at solid fixed ring (12) top, and ring channel (27) inner wall has seted up tooth's socket (33), connecting rod (6) bottom bolted connection has third abrasive brick (8).

3. The automobile transmission gear fine grinding overturning tool according to claim 1, characterized in that: connecting rod (6) bottom one end fixedly connected with second dead lever (10), second dead lever (10) bottom is passed solid fixed ring (12) and is rotated and be connected with runner (11), and runner (11) bottom laminating has fixed deckle board (1).

4. The automobile transmission gear fine grinding overturning tool according to claim 1, characterized in that: the utility model discloses a fixed frame board, including fixed deckle board (1), fixed deckle board (1) inside top intermediate bolt is connected with electric liquid push rod (13), the equal fixedly connected with third fixed block (14) in electric liquid push rod (13) bottom and first bearing (5) top, the fixed section of thick bamboo (30) of the equal fixedly connected with second in third fixed block (14) left and right sides and front and back both sides, the inside one end welding who is close to third fixed block (14) of the fixed section of thick bamboo (30) of second has second spring (31), the fixed section of thick bamboo (30) of second is inside to run through there is telescopic link (32), and the one end welding that is located the fixed section of thick bamboo (30) of second has second spring (31), the other end fixedly connected with damping piece (9).

5. The automobile transmission gear fine grinding overturning tool according to claim 1, characterized in that: round hole (28) have all been seted up to both sides about first fixed cylinder (7), and draw-in groove (29) have all been seted up to both sides around round hole (28), equal fixedly connected with fixture block (19) in both sides around first dead lever (17), and inside fixture block (19) were located first spring (18), the outside block of fixture block (19) is in draw-in groove (29).

6. The automobile transmission gear fine grinding overturning tool according to claim 1, characterized in that: fixing bolt (26) are all laminated at both ends about first fixed block (21) keeps away from the one end of second fixed block (24), first fixed block (21) is passed to fixing bolt (26) one end, and threaded hole threaded connection on fixing bolt (26) and the second fixed block (24).

7. The automobile transmission gear fine grinding overturning tool according to claim 4, characterized in that: the first fixing cylinder (7), the second fixing cylinder (30), the first fixing rod (17), the second fixing rod (10), the rotating rod (23), the first fixing block (21), the second fixing block (24), the third fixing block (14), the fixing ring (12) and the telescopic rod (32) are all made of stainless metal materials.