TWM502118U - Reducer lubricating system - Google Patents

Description

Reducer lubrication system

This creation is related to lubrication, especially a lubricating oil pump that reduces the lubricating oil of the reducer and makes the lubrication effect of the reducer unaffected by the mounting posture.

The reducer is a transmission mechanism that uses the gear set to achieve the purpose of speed conversion. It has the function of reducing the rotation of the output and increasing the torque. Due to the large load of the reducer, sufficient lubrication is to protect the internal parts of the reducer and maintain the normal speed reducer. The key to the operation; the general reducer adopts the oil bath type lubrication mode. The so-called oil bath type lubrication system immerses a part of the reducer in the liquid lubricating oil, and transfers the lubricating oil to the non-immersion by the bite between the gears. The part of the lubricating oil, or the gear immersed in the lubricating oil, uses the centrifugal force of the rotation to splash the lubricating oil to other gears. The oil bath type lubrication form has good cooling effect, sufficient lubricating oil quantity and no need to add lubrication at any time. The advantages of oil, but also the problem that the amount of oil used and the resistance of liquid lubricating oil cause the efficiency of the transmission to decrease. Moreover, the speed reducer using oil bath lubrication is limited by the installation posture, and the upper part of the reducer is often Planetary gears cannot be fully lubricated and damage can occur.

In order to solve the problem that the existing reducer lubricating oil consumption is large, the transmission efficiency is lowered, and the planetary gear is poorly lubricated due to the installation posture, the present invention provides a reducer lubrication system, and a cam is set on the output shaft of the reducer and is decelerating. A cam-driven lubricating oil pump is installed inside the machine to reduce the amount of lubricating oil used, reduce the loss of transmission energy, and limit the lubrication effect of the reducer from the installation posture.

The present invention solves the technical problem of the reduction gear lubrication system, comprising: a reduction gear, comprising an input portion, an output portion, the output portion is provided with a power output shaft; a cam mounted on the output shaft and having at least one convex portion; and a lubricating oil pump including a base, an oil inlet valve group, an oil discharge valve group and a piston group; wherein the base assembly The output part of the reducer includes an oil inlet chamber, an oil discharge chamber, a piston chamber, a connecting portion and an oil pipeline, and the oil inlet chamber extends from the surface of the base to the inside and is provided with an oil inlet. a hole communicating with the inside of the output portion, the oil discharge chamber extending inwardly from a surface of the base, the piston chamber extending inwardly from a surface of the base and provided with two pipes communicating with the oil inlet chamber and the oil outlet a connecting portion is an opening extending inwardly from a surface of the base and communicating with the oil discharge chamber, the oil supply line is connected to the connecting portion and communicates with the input portion; the oil inlet valve group is a check valve is disposed in the oil inlet chamber; the oil discharge valve assembly is a one-way valve and is disposed in the oil discharge chamber; the piston group is mounted on the piston chamber and includes a piston and a spring, One end of the spring abuts against the end of the piston chamber and the other end abuts against the piston, the upper end of the piston The lubricant pump in contact with the at least one protrusion when spraying lubricant.

The gearbox lubrication system, wherein the oil inlet chamber includes an oil inlet valve hole extending inwardly from a surface of the base and a stop chamber connected to the oil inlet valve hole, The oil discharge chamber includes an oil discharge valve hole extending inwardly from a surface of the base and an oil storage chamber connected to the oil discharge valve hole The two pipes provided by the piston chamber communicate with the block chamber and the oil storage chamber.

The reducer lubricating system, wherein the oil inlet valve group comprises an oil inlet valve member, a spring and an oil inlet valve cover, and the oil inlet valve member is installed in the gear chamber The spring and the oil inlet plug cover are disposed in the oil inlet valve hole, and one end of the spring of the oil inlet valve group abuts against the oil inlet valve stopper and the other end abuts against the oil inlet valve plug The oil discharge valve group includes an oil outlet valve member mounted on the oil discharge valve hole, a spring and an oil discharge valve plug cover, and the oil discharge valve stopper is installed at the outlet An oil valve hole, one end of the spring of the oil discharge valve group abuts against the oil discharge valve stopper and the other end abuts against the oil discharge valve plug cover.

In the lubricating system of the reducer, wherein the oil inlet valve hole and the block chamber are circular, and the oil inlet valve member is a ball, and the oil inlet valve cover corresponds to The oil inlet valve hole is disposed in a circular cover shape; the oil discharge valve hole of the oil discharge chamber and the oil storage chamber are disposed in a circular shape, and the oil discharge valve stopper is a sphere, The oil discharge valve plug cover is arranged in a circular cover shape corresponding to the oil discharge valve hole.

The reducer lubricating system, wherein the oil inlet valve hole is provided with a thread on an inner circumferential surface, and the inlet valve plug cover has a corresponding thread on the circumferential surface and a corresponding screwdriver on the top surface. The inner circumferential surface of the oil discharge valve hole is provided with a thread, and the oil discharge valve plug cover is provided with a corresponding thread on the circumferential surface and a groove corresponding to the screwdriver on the top surface.

The reduction gear lubrication system, wherein the piston comprises a cylindrical pressing portion and a cylindrical spring receiving portion, the spring receiving portion is coaxially connected to the lower end of the pressing portion and has a diameter The diameter of the pressing section is large.

The reducer lubrication system, wherein the base is fixed with a cover, the cover includes a cover plate, and the cover plate is provided with an oil adjustment hole, an oil adjustment hole and a piston through hole, The piston through hole is disposed corresponding to the position of the piston chamber, the piston through hole is circular and the diameter matches the diameter of the pressing portion, and the oil adjusting hole and the oil adjusting hole are disposed on both sides of the piston through hole .

In the lubricating system of the reducer, the cover plate is erected with a fixing plate, and the fixing plate is provided with two locking holes for the reducer.

In the lubricating system of the reducer, wherein the convex portion of the cam is provided with two and the convex portions are oppositely disposed.

The enhancements achieved by the technical means of this creation are:

1. This creation sets the cam on the output shaft of the reducer, and installs a lubricant pump driven by the cam inside the reducer to spray the lubricating oil inside the reducer to the planetary gear on the upper part of the reducer, which can reduce the lubricating oil of the existing reducer. The amount of use and the problem of a large amount of lubricating oil forming a resistance during operation cause a decrease in transmission efficiency, and furthermore, the lubrication effect is not limited by the mounting posture of the reducer.

2. The creation is provided with screw thread on the circumferential surface of the oil inlet plug cover and the oil discharge valve plug cover, and the groove on the top surface of the inlet valve plug cover and the outlet valve plug cover is provided with a corresponding screwdriver. The screwdriver can be rotated into the oil valve plug cover and the oil outlet valve cover to adjust the compression degree of the spring to control the flow of lubricating oil into and out of the lubricating oil pump.

10‧‧‧Reducer

11‧‧‧ Input Department

12‧‧‧Output Department

121‧‧‧Output shaft

20‧‧‧ cam

21‧‧‧ convex

30‧‧‧Base

31‧‧‧Into the oil room

311‧‧‧Inlet valve hole

312‧‧ ‧ gear compartment

3121‧‧‧Abutment

3122‧‧‧Inlet hole

32‧‧‧Exporting room

321‧‧‧ oil valve hole

322‧‧‧ Oil storage room

3221‧‧‧Abutment

33‧‧‧Piston room

331‧‧‧ Pipes

34‧‧‧Receipt Department

341‧‧‧ Pipes

35‧‧‧ Oil pipeline

40‧‧‧Intake valve group

41‧‧‧Inlet valve stopper

42‧‧‧ Spring

43‧‧‧Inlet valve plug cover

431‧‧‧ grooves

432‧‧‧Spring accommodating hole

50‧‧‧Outlet valve group

51‧‧‧ Oil valve stopper

52‧‧‧ Spring

53‧‧‧Oil valve plug cover

531‧‧‧ grooves

532‧‧‧Spring accommodating hole

60‧‧‧Piston Group

61‧‧‧Piston

611‧‧‧ Press section

612‧‧‧Spring accommodating section

6121‧‧‧Spring receiving hole

62‧‧‧ Spring

70‧‧‧ Cover

71‧‧‧Intake adjustment hole

72‧‧‧ oil adjustment hole

73‧‧‧Piston through hole

A‧‧‧ oil level

1 is an installation configuration diagram of a preferred embodiment of the present invention.

Fig. 2 is a perspective view showing the appearance of a lubricating oil pump of the preferred embodiment of the present invention.

Figure 3 is an exploded view of the lubricating oil pump of the preferred embodiment of the present invention.

Figure 4 is a view showing the installation position of the lubricating oil pump of the preferred embodiment of the present invention.

Figure 5 is a schematic illustration of the preferred embodiment of the present invention when the cam is pressed against the piston.

Figure 6 is a schematic view of the preferred embodiment of the present invention when the cam is disengaged from the piston.

In order to understand in detail the technical features and practical functions of the present creation, and can be implemented according to the creation content, further detailed embodiments as shown in the figure are as follows: as shown in FIG. 1, FIG. 2 and FIG. The reduction gear lubrication system of the present invention comprises: a reduction gear 10, a cam 20 and a lubricating oil pump; wherein the lubricating oil pump comprises a base 30, an oil inlet valve group 40, an oil discharge valve group 50, a piston set 60 and a cover 70, the oil inlet valve group 40, the oil discharge valve group 50 and the piston group 60 are mounted in the base 30, and the cam 20 and the lubricating oil pump are mounted on the reducer Within 10.

As shown in FIG. 1 , the reducer 10 includes an input portion 11 and an output portion 12 . The input portion 11 is disposed at an upper portion of the reducer 10 and is mounted with a motor. The input portion 11 has a plurality of internal portions. The planetary gear; the output portion 12 is disposed at a lower portion of the reducer 10 and is provided with a power output shaft 121.

As shown in FIG. 1, the cam 20 is mounted on the output shaft 121 of the reducer 10 and has two convex portions 21 disposed opposite each other.

As shown in FIG. 2 and FIG. 3, the base 30 of the lubricating oil pump has a rectangular block shape and has an upper plane, a lower plane and two end faces, and includes an oil inlet chamber 31, an oil discharge chamber 32, and a piston chamber 33. a connecting portion 34 and an oil delivery line 35; wherein the base 30 is provided with four screw holes at four corners of the upper plane, and the oil inlet chamber 31 is disposed near the middle of the base 30, and includes a The oil inlet valve hole 311 and the one-piece housing chamber 312 are circular openings extending downward from the upper plane of the base 30 and are provided with threads on the inner circumferential surface. The chamber 312 is a circular opening connected to the lower end of the oil inlet valve hole 311. The diameter of the blocking chamber 312 is smaller than the diameter of the oil inlet valve hole 311 and a slanting abutting surface 3121 is provided at the lower end. The gear chamber 312 is disposed on the lower surface of the base 30 with an oil inlet hole 3122 communicating with the block chamber 312 and the interior of the reducer 10; the oil discharge chamber 32 is disposed opposite to the oil inlet chamber 31. Adjacent to the middle of the base 30, and including an oil discharge valve hole 321 and an oil storage chamber 322, the oil discharge valve hole 321 is a circle extending downward from the upper plane of the base 30. Opening a hole and providing a thread on the inner circumferential surface, the oil storage chamber 322 is a circular opening connected to the lower end of the oil discharge valve hole 321 , the diameter of the oil storage chamber 322 is smaller than the diameter of the oil discharge valve hole 321 An inclined abutting surface 3221 is provided at a connection with the oil discharge valve hole 321; the piston chamber 33 is a circular opening extending downward from an upper plane of the base 30 and disposed near the lower end There are two opposite pipes 331 which respectively connect the piston chamber 33 with the blocking chamber 312 and the oil storage chamber 322; the connecting portion 34 is directed to the end surface adjacent to the oil discharge chamber 32. A circular opening extending in the direction of the oil outlet chamber 32 is provided. The end of the connecting portion 34 is provided with a pipe 341 communicating with the oil discharge chamber 32. The oil supply pipe 35 is connected to the connecting portion 34 and communicates with the input portion 11.

As shown in FIG. 3, the oil inlet valve group 40 of the lubricating oil pump is installed in the oil inlet chamber 31 and includes an oil inlet valve member 41, a spring 42 and an oil inlet valve cover 43; The oil valve stopper 41 is formed in a spherical shape, and the oil inlet valve member 41 is mounted on the stopper chamber 312 and abuts against the abutting surface 3112 of the stopper chamber 312. The spring 42 is mounted on the abutting surface 3121. The oil inlet valve member 41 is above and has two ends. One end of the spring 42 is in contact with the oil inlet valve member 41. The oil inlet valve cover 43 has a circular cover shape. The oil inlet valve plug The cover 43 is provided with a groove 431 matching the slotted screwdriver on the top surface and a spring receiving hole 432 is formed therein. The circumferential surface of the oil inlet valve cover 43 is provided with a thread matched with the oil inlet valve hole 311. The oil inlet valve cover 43 is screwed to the oil inlet valve hole 311 and the other end of the spring 42 abuts against the spring receiving hole 432. The oil discharge valve group 50 of the lubricating oil pump is installed in the oil discharge chamber 32 and includes an oil discharge valve stopper 51, a spring 52 and an oil discharge valve cover 53; wherein the oil discharge valve member 51 is The oil discharge valve member 51 is disposed in the oil discharge valve hole 321 and abuts against the abutment surface 3221 of the oil storage chamber 322. The spring 52 is mounted on the oil discharge valve stopper 51. The upper end of the spring 52 has two ends, and one end of the spring 52 is in contact with the oil discharge valve stopper 51. The oil discharge valve plug cover 53 has a circular cover shape, and the oil discharge valve plug cover 53 is provided on the top surface. A groove 531 of the slotted screwdriver is disposed, and a spring receiving hole 532 is disposed therein. The circumferential surface of the oil outlet valve cover 53 is provided with a thread matched with the oil outlet valve hole 321 , and the oil outlet valve cover 53 is screwed to the oil discharge valve hole 321 and the other end of the spring 52 abuts against the spring receiving hole 532.

As shown in FIG. 3, the piston assembly 60 of the lubricating oil pump is mounted on the piston chamber 33 and includes a piston 61 and a spring 62. The piston 61 includes a pressing portion 611 and a spring receiving portion 612. The pressing portion 611 is The spring receiving portion 612 is connected to the cylindrical receiving portion 612, and the spring receiving portion 612 is another cylindrical portion having a diameter larger than the diameter of the pressing portion 611, and the axial center position of the end surface of the spring receiving portion 612 is a circular spring receiving hole 6121 is provided, and the spring receiving hole 6121 extends upward from the end surface of the spring receiving portion 612 to the inside of the pressing portion 611; the spring 62 has two ends, the spring 62 has One end abuts against the bottom of the piston chamber 33, and the other end of the spring 62 abuts against the spring receiving hole 6121.

As shown in FIG. 2 and FIG. 3, the cover 70 of the lubricating oil pump is an L-shaped plate member and has a rectangular cover plate and a consolidating plate which is erected on the long side of the cover plate and has a rectangular shape. The cover 70 includes an oil adjustment hole 71, an oil adjustment hole 72, a piston through hole 73, four base lock holes and two reducer lock holes. The oil adjustment hole 71 is circular and opposite. The oil discharge chamber 31 should be disposed in the cover plate, and the oil discharge adjustment hole 72 is also circular and corresponding to the oil discharge chamber 32, and the piston through hole 73 is disposed in the oil inlet adjustment hole 71. The piston through hole 73 is formed in a circular shape and has a diameter matching the diameter of the pressing portion 611. The base locking hole is disposed corresponding to the screw hole of the base 30. In the four corners of the cover plate, the two locker lock holes are spaced apart from the fixed plate.

As shown in FIG. 3, when the lubricating oil pump is installed, the oil inlet valve group 40, the oil discharge valve group 50 and the piston group 60 are sequentially installed in the oil inlet chamber 31, the oil outlet chamber 32, and the piston chamber 33. And screwing the four base locking holes of the cover 70 to the four screw holes of the base 30 to complete the installation of the lubricating oil pump of the present invention, because the piston through hole 73 of the cover 70 is matched The diameter of the pressing section 611 of the piston 61 is set and smaller than the diameter of the spring receiving section 612, so that the piston 61 can be prevented from falling off from the base 30 when the lubricating oil pump operates. As shown in FIG. 1 and FIG. 4, when the gearbox lubrication system of the present invention is installed, the cam 20 is first mounted on the output shaft 121 of the reducer 10, and the two lockers of the cover 70 are locked with a screw. On the inner wall of the reducer 10, the assembled lubricating oil pump is fixed inside the reducer 10, that is, the installation of the lubricating system of the reducer of the present invention is completed.

As shown in FIG. 1 , the inside of the reducer 10 accommodates an appropriate amount of lubricating oil to form an oil level surface A. When the speed reducer 10 operates, the output shaft 121 also drives the cam 20 when the gear is driven. The cam 20 is rotated; as shown in FIG. 5, the convex portion 21 of the cam 20 presses the top surface of the piston 61, so that the lubricating oil filled in the piston chamber 33 is respectively input through the two pipes 331 on both sides of the piston chamber 33. The oil inlet chamber 31 and the oil discharge chamber 32, the lubricating oil squeezed into the oil inlet chamber 31 applies pressure to the oil inlet valve stopper 41 of the oil inlet valve group 40, so that the oil inlet valve stopper 41 abuts against The abutting surface 3121. of the blocking chamber 312 plugs the oil inlet hole 3122 so that the lubricating oil does not flow out through the oil inlet hole 3122, but is squeezed into the oil outlet chamber 32. The lubricating oil applies a thrust to the oil discharge valve stopper 51 from the oil discharge valve stopper 51 of the oil discharge valve group 50, and the oil discharge valve stopper 51 is pushed away from the abutting surface 3221 of the oil storage chamber 322. Then, the pipe 341 of the connecting portion 34 is pushed into the connecting portion 34, and the oil feeding pipe 35 is pushed from the connecting portion 34, is transmitted from the output portion 12 of the reducer to the input portion 11, and is sprayed on the input. On the planetary gear of the portion 11; as shown in FIG. 6, when the cam 20 leaves the piston 61, the piston 61 rebounds by the elastic force of the spring 62 provided by the piston group 60, and the oil inlet chamber 31 and the The lubricating oil of the oil discharge chamber 32 is returned to the piston chamber 33 and the pressure of the oil inlet chamber 31 is smaller than the pressure outside the lubricating oil pump, and the lubricating oil outside the lubricating oil pump passes from the oil inlet hole 3122 to the oil inlet valve stopper 41. The thrust is applied, and after the oil inlet valve member 41 is pushed open, the oil inlet hole 3122 enters the inside of the lubricating oil pump, waiting for the next pressing of the cam 20.

The user can rotate the plug caps 43, 53 with the slotted screws 431, 531 of the plug cover 43 of the oil inlet valve group 40 and the plug cover 53 of the oil discharge valve group 50 to adjust the screw cover 43 and 53. The oil inlet valve group 40 and the two springs 42 and 52 of the oil discharge valve group 50 apply to the oil inlet valve group 40 and the oil inlet valve stopper 43 of the oil discharge valve group 50 and the oil discharge valve stopper 53 The amount of force that controls the flow of lubricant into and out of the lube pump.

10‧‧‧Reducer

11‧‧‧ Input Department

12‧‧‧Output Department

121‧‧‧Output shaft

20‧‧‧ cam

21‧‧‧ convex

30‧‧‧Base

35‧‧‧ Oil pipeline

70‧‧‧ Cover

A‧‧‧ oil level

Claims (9)

A reducer lubrication system includes: a reducer comprising an input portion, an output portion, the output portion is provided with a power output shaft; a cam mounted on the output shaft and having at least one convex portion; and a lubrication The oil pump includes a base, an oil inlet valve group, an oil discharge valve group and a piston group; wherein the base is installed at an output portion of the reducer and includes an oil inlet chamber, an oil outlet chamber, and a a piston chamber, a connecting portion and an oil delivery conduit extending from the surface of the base to the interior and having an oil inlet communicating with the interior of the output portion, the oil outlet chamber being oriented from the surface of the base Internally extending, the piston chamber extends inwardly from the surface of the base and is provided with two pipes communicating with the oil inlet chamber and the oil discharge chamber, the nozzle portion being an opening extending from the surface of the base to the inside and Connected to the oil discharge chamber, the oil delivery pipeline is connected to the connection portion and communicates with the input portion; the oil inlet valve group is a one-way valve and is installed in the oil inlet chamber; the oil discharge valve assembly is a a check valve is disposed in the oil discharge chamber; the piston group is mounted to the piston chamber and includes A piston and a spring, one end of the spring abuts against the end of the piston chamber and the other end of the piston abuts against the upper end of a piston in contact with the convex portion at least when the lubricating oil pump spray lubricant. The gearbox lubrication system of claim 1, wherein the oil inlet chamber comprises an oil inlet valve hole extending inwardly from a surface of the base and a first gear connected to the oil inlet valve hole. a gas chamber, wherein the oil discharge chamber includes an oil discharge valve hole extending inwardly from a surface of the base and is connected to the oil discharge valve hole An oil storage chamber; the two pipes provided by the piston chamber communicate with the gear chamber and the oil storage chamber. The reducer lubricating system of claim 2, wherein the oil inlet valve group comprises an oil inlet valve member, a spring and an oil inlet valve cover, wherein the oil inlet valve member is mounted on the a stopper chamber, the spring and the oil inlet plug cover are disposed in the oil inlet valve hole, and one end of the spring of the oil inlet valve group Abutting against the oil inlet valve member and the other end abutting against the oil inlet valve cover; the oil discharge valve group includes an oil outlet valve member mounted on the oil discharge valve hole, a spring and an oil discharge valve cover, the oil discharge valve stopper is installed in the oil discharge valve hole, and one end of the spring of the oil discharge valve group abuts against the oil discharge valve stopper and the other end abuts against the outlet Oil valve plug cover. The gearbox lubrication system of claim 3, wherein the oil inlet valve hole and the block chamber are circular, and the oil inlet valve member is a ball, and the inlet valve is a ball. The oil valve plug cover is disposed in a circular cover shape corresponding to the oil inlet valve hole; the oil discharge valve hole of the oil discharge chamber and the oil storage chamber are disposed in a circular shape, and the oil discharge valve stopper system is For a sphere, the outlet valve plug cover is disposed in a circular cover shape corresponding to the outlet valve hole. The reducer lubricating system of claim 4, wherein the oil inlet valve hole is provided with a thread on an inner circumferential surface, and the inlet valve plug cover is provided with a corresponding thread on the circumferential surface and is disposed on the top surface. a groove corresponding to the screwdriver; the inner peripheral surface of the oil discharge valve hole is provided with a thread, and the oil discharge valve plug cover is provided with a corresponding thread on the circumferential surface and a corresponding screwdriver on the top surface Groove. The reducer lubrication system of claim 5, wherein the piston comprises a cylindrical pressing portion and a cylindrical spring receiving portion, the spring receiving portion being coaxially connected to the lower end of the pressing portion. And the diameter is larger than the diameter of the pressing section. The reducer lubrication system of claim 6, wherein the base is fixed with a cover, the cover comprises a cover plate, the cover plate is provided with an oil adjustment hole, an oil adjustment hole and a piston a through hole corresponding to a position of the piston chamber, wherein the piston through hole has a circular shape and an aperture matching a diameter of the pressing portion, and the oil adjusting hole and the oil adjusting hole are disposed in the through hole of the piston On both sides. The gearbox lubrication system of claim 7, wherein the cover plate is erected with a consolidation plate, and the consolidation plate is provided with two gearbox locking holes. The reducer lubrication system according to any one of claims 1 to 8, wherein the convex portion of the cam is provided with two and the convex portions are oppositely disposed.