CN215763176U

CN215763176U - Automatic gearbox gear

Info

Publication number: CN215763176U
Application number: CN202121720358.3U
Authority: CN
Inventors: 王维权
Original assignee: Jinjiang Chengda Gear Co ltd
Current assignee: Jinjiang Chengda Gear Co ltd
Priority date: 2021-07-27
Filing date: 2021-07-27
Publication date: 2022-02-08
Anticipated expiration: 2031-07-27

Abstract

The utility model discloses a gear of an automatic gearbox, and relates to the technical field of gearboxes. The top cover is fixed at the top end of the box body, the driving shaft and the output shaft are sequentially and movably connected to the inner walls of two sides of the box body, a second cylindrical gear is fixed to the shaft body of the output shaft, the second cylindrical gear is meshed with a first cylindrical gear, the first cylindrical gear is fixed to the shaft body of the driving shaft, a circular groove is formed in one side of the first cylindrical gear, and a plurality of first notches are formed in the inner wall of one side of the first cylindrical gear. The lubricating oil is pumped into a hole formed by one end of the circular ring and the circular groove through the oil pump arranged on the oil conveying pipe, passes through the first notch and the second notch, and finally flows out of the small hole, so that the first cylindrical gear and the second cylindrical gear are meshed for transmission and lubricated at the same time, and the lubricating performance is ensured.

Description

Automatic gearbox gear

Technical Field

The utility model relates to the technical field of gearboxes, in particular to a gear of an automatic gearbox.

Background

With the rapid development of the machining industry, the requirements on the machining precision and the surface quality of parts are higher and higher; the numerical control machine tool is used as a main machining device, and the user has higher and higher requirements on various economic and technical indexes of the numerical control machine tool; the boring and milling machine cutting spindle gearbox is used as the most important component of a machine tool, the machining performance, the precision and the like of the boring and milling machine cutting spindle gearbox are important assessment indexes of the machine tool, the machine tool spindle gearbox is mainly composed of parts such as a gearbox body, a transmission shaft, a transmission gear and the like, the change of the rotating speed of an input shaft and an output shaft of the gearbox body is realized by changing different meshing among the transmission gears, and the power and the torque required by a cutter on a part cutting surface during cutting are achieved.

When the automatic gearbox works, gear oil is required to be added, the functions of lubrication, cooling, vibration prevention, sealing and rust prevention are mainly achieved, an oil pool is adopted for lubrication in the prior art, most of the oil on the gear is thrown away when the circular motion speed of the gear is too high, and cannot reach a meshing area, and the oil is stirred too violently, so that the temperature of the oil is increased, the lubricating performance is reduced, and the abrasion of the gear is accelerated.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to an automatic transmission gear that solves the problems set forth above in the background.

In order to achieve the purpose, the utility model provides the following technical scheme: a gear of an automatic gearbox comprises a box body, a top cover, a driving shaft and an output shaft, wherein the top cover is fixed at the top end of the box body, the inner walls of the two sides of the box body are sequentially and movably connected with a driving shaft and an output shaft, a second cylindrical gear is fixed on the shaft body of the output shaft, the second cylindrical gear is engaged with a first cylindrical gear which is fixed with the shaft body of the driving shaft, one side of the first cylindrical gear is provided with a circular groove, the inner wall of one side of the first cylindrical gear is provided with a plurality of first notches, the first notch is communicated with a second notch, the first cylindrical gear comprises a convex tooth, one side of the convex tooth is provided with a plurality of small holes, the small hole is communicated with the second notch, one side of the driving shaft is movably connected with a circular ring, a support frame is fixed at the bottom of the circular ring, a through hole is formed in one side of the circular ring, and an oil conveying pipe is connected to one side of the through hole.

Preferably, one side of the circular ring is positioned in the circular groove, and the length of the circular ring positioned in the circular groove is smaller than the depth of the circular groove.

Preferably, one end of the oil conveying pipe is connected with an oil conveying pool.

Preferably, an oil collecting tank is arranged on the inner wall of the bottom end of the box body, an oil outlet pipe is connected to one side of the box body, one end of the oil outlet pipe is communicated with the oil collecting tank, and one end of the oil outlet pipe is connected with a waste oil pool.

Preferably, oil pipeline and oil outlet pipe one side all are connected with the oil pump.

Compared with the prior art, the utility model has the beneficial effects that:

this automatic transmission gear is provided with ring, circular slot, first notch, second notch and aperture, and lubricating oil is gone into the hole that ring one end and circular slot are constituteed through the oil pump that sets up on the defeated oil pipe in, through first notch second notch back, flows out from the aperture at last to realized first roller gear and second roller gear and lubricated on one side of meshing transmission, thereby guaranteed lubricating property, reduced the wearing and tearing of gear.

Drawings

FIG. 1 is a right side axial view of the present invention;

FIG. 2 is a top view of the present invention with the top cover removed;

FIG. 3 is an axial view of the drive shaft of the present invention;

FIG. 4 is an exploded axial view of the drive shaft of the present invention;

FIG. 5 is an axial view of another side exploded view of the drive shaft of the present invention;

FIG. 6 is a front view of the drive shaft of the present invention;

fig. 7 is an exploded view in the direction of a-a in fig. 6.

In the figure: 1. a box body; 2. a top cover; 3. a drive shaft; 4. an output shaft; 5. a first cylindrical gear; 6. a convex tooth; 7. a small hole; 8. a second cylindrical gear; 9. a circular groove; 10. a first notch; 11. a circular ring; 12. a support frame; 13. a through hole; 14. an oil delivery pipe; 15. an oil sump; 16. an oil outlet pipe; 17. an oil pump; 18. a waste oil tank; 19. an oil conveying pool; 21. a second notch.

Detailed Description

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

It should be noted that in the description of the present invention, the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of description and simplification of description, and do not indicate or imply that the referred device or element must have a specific orientation, be configured in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

Further, it will be appreciated that the dimensions of the various elements shown in the figures are not drawn to scale, for ease of description, and that the thickness or width of some layers may be exaggerated relative to other layers, for example.

It should be noted that like reference numerals and letters refer to like items in the following figures, and thus, once an item is defined or illustrated in one figure, it will not need to be further discussed or illustrated in detail in the description of the following figure.

As shown in fig. 1 to 7, the present invention provides a technical solution: a gear of an automatic gearbox comprises a box body 1, a top cover 2, a driving shaft 3 and an output shaft 4, wherein the top end of the box body 1 is fixedly provided with the top cover 2, the top cover 2 and the box body 1 are fixedly connected in a threaded manner, so that the internal parts of the box body 1 can be conveniently overhauled, the inner walls of two sides of the box body 1 are sequentially and movably connected with the driving shaft 3 and the output shaft 4, a second cylindrical gear 8 is fixedly arranged on the shaft body of the output shaft 4, the second cylindrical gear 8 is meshed with a first cylindrical gear 5, the first cylindrical gear 5 and the driving shaft 3 are fixedly connected, one side of the first cylindrical gear 5 is provided with a circular groove 9, the inner wall of one side of the first cylindrical gear 5 is provided with a plurality of first notches 10, the first notches 10 are uniformly distributed on the inner wall of one side of the first cylindrical gear 5, the first notches 10 are communicated with a second notch 21, the first cylindrical gear 5 comprises convex teeth 6, namely, the convex teeth 6 are a mechanism integrally formed with the first cylindrical gear 5, a plurality of apertures 7 have been seted up to 6 one sides of dogtooth, aperture 7 is along 6 one side evenly distributed of dogtooth, aperture 7 is linked together with

second notch

21, 7 outflow in aperture can be followed to lubricating oil, thereby can realize that first cylindrical gear 5 and second cylindrical gear 8 mesh transmission on one side, lubricate on one side, 3 one side swing joint of driving shaft has

ring

11, and 11 one side of ring is located

circular slot

9, and 11 length of ring that are located circular slot 9 are less than the degree of depth of

circular slot

9, 11 bottoms of ring are fixed with support frame 12, support frame 12 is spacing to ring 11, guarantee that its state is unchangeable, through-hole 13 has been seted up to 11 one side of ring, through-hole 13 one side is connected with defeated oil pipe 14.

As shown in fig. 1-3, one end of an oil delivery pipe 14 is connected with an oil delivery pool 19, an oil collection tank 15 is arranged on the inner wall of the bottom end of a box body 1, one side of the box body 1 is connected with an oil outlet pipe 16, one end of the oil outlet pipe 16 is communicated with the oil collection tank 15, one end of the oil outlet pipe 16 is connected with a waste oil pool 18, oil pumps 17 are respectively connected to one sides of the oil delivery pipe 14 and the oil outlet pipe 16, lubricated lubricating oil enters the oil collection tank 15, and finally the lubricating oil is pumped into the waste oil pool 18 through the oil pump 17 arranged on the oil outlet pipe 16.

The lubricating oil is pumped into the circular groove 9 through the through hole 13 by the oil pump 17 arranged on the oil conveying pipe 14, the first notch 10 is communicated with the second notch 21, and the second notch 21 is communicated with the small hole 7 on the side surface of the convex tooth 6, so the lubricating oil can flow out from the small hole 7, thereby realizing the meshing transmission of the first cylindrical gear 5 and the second cylindrical gear 8 at one side, the lubrication at the other side, the lubricating oil after the lubrication enters the oil collecting tank 15, and finally the lubricating oil is pumped into the waste oil pool 18 through the oil pump 17 arranged on the oil outlet pipe 16.

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

Claims

1. The utility model provides an automatic gearbox gear, includes box (1), top cap (2), driving shaft (3) and output shaft (4), box (1) top is fixed with top cap (2), box (1) both sides inner wall swing joint has driving shaft (3) and output shaft (4), its characterized in that in proper order: a second cylindrical gear (8) is fixed on the shaft body of the output shaft (4), the second cylindrical gear (8) is engaged with the first cylindrical gear (5), the first cylindrical gear (5) is fixed with the shaft body of the driving shaft (3), a circular groove (9) is arranged on one side of the first cylindrical gear (5), a plurality of first notches (10) are arranged on the inner wall of one side of the first cylindrical gear (5), the first notch (10) is communicated with a second notch (21), the first cylindrical gear (5) comprises convex teeth (6), a plurality of small holes (7) are arranged on one side of the convex tooth (6), the small holes (7) are communicated with the second notch (21), one side of the driving shaft (3) is movably connected with a circular ring (11), the bottom of the circular ring (11) is fixed with a supporting frame (12), a through hole (13) is formed in one side of the circular ring (11), and an oil conveying pipe (14) is connected to one side of the through hole (13).

2. An automatic transmission gear according to claim 1, characterised in that: one side of the circular ring (11) is positioned in the circular groove (9), and the length of the circular ring (11) positioned in the circular groove (9) is smaller than the depth of the circular groove (9).

3. An automatic transmission gear according to claim 1, characterised in that: one end of the oil delivery pipe (14) is connected with an oil delivery pool (19).

4. An automatic transmission gear according to claim 1, characterised in that: the oil collecting tank (15) has been seted up to box (1) bottom inner wall, box (1) one side is connected with out oil pipe (16), it is linked together with oil collecting tank (15) to go out oil pipe (16) one end, it is connected with waste oil pond (18) to go out oil pipe (16) one end.

5. An automatic transmission gear according to claim 1, characterised in that: and one sides of the oil delivery pipe (14) and the oil outlet pipe (16) are connected with oil pumps (17).