CN216666267U

CN216666267U - Ball spline assembly with lubricating structure

Info

Publication number: CN216666267U
Application number: CN202122876924.6U
Authority: CN
Inventors: 何志峰; 何恒晨
Original assignee: Changzhou Yineng Machinery Co ltd
Current assignee: Changzhou Yineng Machinery Co ltd
Priority date: 2021-11-22
Filing date: 2021-11-22
Publication date: 2022-06-03
Anticipated expiration: 2031-11-22

Abstract

The utility model relates to a ball spline assembly with a lubricating structure, which comprises a spline shaft, wherein a spline housing is arranged on the spline shaft in a sliding manner, end covers are arranged at the upper end and the lower end of the spline housing, the end covers are connected with the spline housing through bolts, a plurality of rolling grooves are formed in the spline shaft, a plurality of circulation channels are formed in the spline housing corresponding to the plurality of rolling grooves, a plurality of backflow channels are formed in one side, close to the spline housing, of each of the two end covers, a lantern ring is arranged at the top of the outer end surface of the spline housing, an oil guide groove is formed in the lantern ring, an oil filling hole is formed in the upper end surface of the lantern ring, a plurality of connection grooves are formed in the bottom end of the inner wall of the oil guide groove corresponding to the plurality of circulation channels, a support seat is arranged at the bottom end of the spline shaft in a connecting manner, a connecting rod is arranged at the right end of the support seat, and a support plate is arranged at the right end of the connecting rod; the design of the lantern ring is convenient for lubrication; the design of the supporting seat facilitates the transportation of parts; the design of baffle, convenient control.

Description

Ball spline assembly with lubricating structure

Technical Field

The utility model relates to the technical field of spline lubrication, in particular to a ball spline assembly with a lubricating structure.

Background

The spline is of a standard structure, and the flat key connection is commonly used for the connection between a gear or a coupler with interference fit and a shaft; usually, spline coupling is adopted, so that the coupling is free from interference, and therefore, the coupled parts need to be axially fixed; the spline is fast and easy to be excellent and has the recording spline connection bearing capacity high, the centering is good, but manufacturing cost is higher, need to use special cutter processing, current patent for example with patent No. 201120297703.7, including ball spline shaft, a plurality of balls and spline sliding sleeve, though the device has improved the hardness of each component part, the vice wearability of ball spline transmission has been strengthened, the fast shortcoming of current spline shaft wearing and tearing has been overcome, but the device lacks suitable lubricating structure when using, lubricated operation is inconvenient to be controlled, and device bottom clamping part can only carry out the centre gripping to single part.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In view of the deficiencies of the prior art, the present invention provides a ball spline assembly having a lubrication feature.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: a ball spline assembly with a lubricating structure comprises a spline shaft, wherein a spline sleeve is arranged on the spline shaft in a sliding manner, end covers are arranged at the upper end and the lower end of the spline sleeve, the end covers and the spline sleeve are connected through bolts, a plurality of rolling grooves are formed in the spline shaft and the spline sleeve, a plurality of circulation channels are formed in the spline sleeve corresponding to the rolling grooves, a plurality of backflow channels are formed in one side, close to the spline sleeve, of each end cover, the rolling grooves, the circulation channels and the backflow channels on the two sides form a loop, a plurality of balls are arranged in the rolling grooves, the circulation channels and the backflow channels on the two sides, a lantern ring is arranged at the top of the outer end face of the spline sleeve, an oil guide groove is formed in the lantern ring, an oil injection hole is formed in the upper end face of the inner wall of the oil guide groove, a plurality of connection grooves are formed in the circulation channels corresponding to the oil guide groove, the integral key shaft bottom is connected and is provided with the supporting seat, the supporting seat right-hand member is provided with the connecting rod, the connecting rod right-hand member is provided with the backup pad.

Preferably in further, it is a plurality of all be provided with the baffle in the spread groove, it is a plurality of the baffle upper end all is provided with the pivot, and is a plurality of the pivot all with the lantern ring rotates to be connected, and is a plurality of the pivot upwards extends and runs through the lantern ring makes things convenient for control lubricating oil to get into.

In further preferred, a plurality of baffle all is provided with the sealing washer all around, guarantees the sealed effect of baffle.

Preferably, a plurality of handles are arranged at the upper ends of the rotating shafts, so that the rotating shafts can be conveniently rotated.

In a further preferred mode, an oil plug is arranged in the oil filling hole, and sealing protection is achieved on the oil filling hole.

Preferably, the support seat is provided with a plurality of first mounting holes, and the spline shaft is provided with a plurality of second mounting holes corresponding to the plurality of first mounting holes, so that the spline shaft is convenient to disassemble and assemble.

Preferably, the support plate is provided with a plurality of mounting grooves, so that the parts can be conveniently mounted.

In a further preferred mode, the upper end of the supporting plate is provided with a plurality of limiting rings corresponding to the plurality of mounting grooves, and limiting protection is achieved on parts in the mounting grooves.

(III) advantageous effects

Compared with the prior art, the utility model provides a ball spline assembly with a lubricating structure, which has the following beneficial effects:

according to the utility model, due to the design of the lantern ring, the oil plug in the oil filling hole is taken out, lubricating oil is added into the oil guide groove, the lubricating oil is stored in the oil guide groove, the lubricating oil flows into the circulating channel along the connecting groove, and when the spline housing moves up and down relative to the spline shaft, a plurality of balls roll in the rolling groove, the circulating channel and the backflow channel, so that the lubrication of the balls is realized, and the lubrication is convenient; the design of the supporting seat is that the supporting seat is correspondingly arranged on the spline shaft, the bolt passes through the first mounting hole and the second mounting hole to be screwed and fixed, the whole device is fixedly arranged with an external transmission device, and a plurality of parts to be transported are correspondingly arranged in the mounting grooves of the supporting plates, so that the transportation of the parts is facilitated; when the design of baffle needs to lubricate equipment such as ball, the pivot of rotation band handle, the pivot drives the baffle rotation in the spread groove, realizes opening of spread groove, convenient control.

Drawings

FIG. 1 is a schematic view of a preferred overall configuration of a ball spline assembly having lubrication features according to the present invention;

FIG. 2 is an exploded view of a preferred embodiment of a ball spline assembly with lubrication features of the present invention without the support base, connecting rod and support plate;

FIG. 3 is a schematic cross-sectional view of a preferred non-oil plug mounted spline housing, guide ring mating arrangement for a ball spline assembly having lubrication features in accordance with the present invention;

fig. 4 is an enlarged view of a portion of a structure in fig. 3.

In the figure: 1. a spline shaft; 2. a spline housing; 3. an end cap; 4. a rolling groove; 5. a circulation channel; 6. a return channel; 7. a collar; 8. an oil guide groove; 9. an oil filler hole; 10. connecting grooves; 11. a supporting seat; 12. a connecting rod; 13. a support plate; 14. a baffle plate; 15. a rotating shaft; 16. a seal ring; 17. a handle; 18. an oil plug; 19. a first mounting hole; 20. a second mounting hole; 21. mounting grooves; 22. a limiting ring; 23. and a ball.

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 obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

The first embodiment is as follows:

referring to fig. 1-4, a ball spline assembly with a lubricating structure includes a spline shaft 1, a spline housing 2 is slidably disposed on the spline shaft 1, end covers 3 are disposed at upper and lower ends of the spline housing 2, the end covers 3 are connected to the spline housing 2 through bolts, a plurality of rolling grooves 4 are correspondingly disposed on the spline shaft 1 and the spline housing 2, a plurality of circulation channels 5 are disposed on the spline housing 2 corresponding to the plurality of rolling grooves 4, a plurality of return channels 6 are disposed on one side of each of the two end covers 3 close to the spline housing 2, the rolling grooves 4, the circulation channels 5 and the return channels 6 on two sides form a loop, a plurality of balls 23 are disposed in the rolling grooves 4, the circulation channels 5 and the return channels 6 on two sides, a sleeve ring 7 is disposed on the top of an outer end surface of the spline housing 2, and an oil guide groove 8 is disposed in the sleeve ring 7, oil filler point 9 has been seted up to 7 up end of lantern ring, it is a plurality of to lead 8 inner walls bottoms of oil groove to correspond circulation channel 5 has seted up a plurality of

spread grooves

10, 1 bottom connection of integral key shaft is provided with supporting

seat

11, 11 right-hand members of supporting seat are provided with connecting

rod

12, 12 right-hand members of connecting rod are provided with backup pad 13.

Referring to fig. 3 and 4, in this embodiment, a plurality of connecting grooves 10 are provided with a baffle 14 therein, the upper ends of the plurality of baffle 14 are provided with rotating shafts 15, the plurality of rotating shafts 15 are rotatably connected to the collar 7, the plurality of rotating shafts 15 extend upward to penetrate through the collar 7, a plurality of sealing rings 16 are provided around the plurality of baffle 14, the upper ends of the plurality of rotating shafts 15 are provided with handles 17, the rotating shafts 15 with the handles 17 are rotated, the rotating shafts 15 drive the baffle 14 in the connecting grooves 10 to rotate, so as to open the connecting grooves 10, and the sealing rings 16 seal the connecting grooves 10.

Referring to fig. 1 and 2, in the present embodiment, an oil plug 18 is disposed in the oil hole 9, and the oil plug 18 is opened to add the lubricating oil into the oil hole 9.

Referring to fig. 1 and fig. 2, in the present embodiment, a plurality of first mounting holes 19 are formed in the support base 11, a plurality of second mounting holes 20 are formed in the spline shaft 1 corresponding to the plurality of first mounting holes 19, the support base 11 is correspondingly mounted on the spline shaft 1, and bolts are screwed and fixed through the first mounting holes 19 and the second mounting holes 20.

Referring to fig. 1 and 2, in the present embodiment, a plurality of mounting grooves 21 are formed on the supporting plate 13, a plurality of limiting rings 22 are disposed at the upper end of the supporting plate 13 corresponding to the plurality of mounting grooves 21, a plurality of components to be transported are correspondingly mounted in the mounting grooves 21 of the supporting plate 13, and the limiting rings 22 on the supporting plate 13 protect the components in the mounting grooves 21.

Example two:

in conclusion, when the device is used, firstly, the end covers 3 are fixedly installed at two ends of the spline housing 2, the balls 23 roll in a loop formed by the rolling grooves 4, the circulation channel 5 and the backflow channel 6, the supporting seat 11 is correspondingly installed on the spline shaft 1, the bolts penetrate through the first installation hole 19 and the second installation hole 20 to be screwed and fixed, after the supporting seat 11 is installed, the whole device and an external transmission device are fixedly installed, a plurality of parts to be transported are correspondingly installed in the installation groove 21 of the supporting plate 13, the limiting ring 22 on the supporting plate 13 protects the parts in the installation groove 21, the external rotating device drives the whole device to rotate to a proper position, the external lifting device lifts the whole device to a proper height, and then the parts in the installation groove 21 are taken out.

Example three:

in summary, when the device is used for a long time, the internal balls 23 need to be lubricated, the oil plug 18 in the oil filling hole 9 is taken out, lubricating oil is added into the oil guide groove 8, the lubricating oil is stored in the oil guide groove 8, when the devices such as the balls 23 need to be lubricated, the rotating shaft 15 with the handle 17 is rotated, the rotating shaft 15 drives the baffle plate 14 in the connecting groove 10 to rotate, the connecting groove 10 is opened, the lubricating oil flows into the circulating channel 5 along the connecting groove 10, when the spline housing 2 moves up and down relative to the spline shaft 1, the balls 23 roll in the rolling groove 4, the circulating channel 5 and the return channel 6, and then the balls 23 are lubricated.

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 ball spline assembly with the lubricating structure comprises a spline shaft (1), wherein a spline housing (2) is arranged on the spline shaft (1) in a sliding manner, end covers (3) are arranged at the upper end and the lower end of the spline housing (2), the end covers (3) are connected with the spline housing (2) through bolts, the ball spline assembly is characterized in that a plurality of rolling grooves (4) are formed in the spline housing (1) and the spline housing (2), a plurality of circulation channels (5) are formed in the spline housing (2) corresponding to the rolling grooves (4), a plurality of backflow channels (6) are formed in one side, close to the spline housing (2), of each end cover (3), a plurality of balls (23) are arranged in the backflow channels (6), the rolling grooves (4), the circulation channels (5) and two sides of the backflow channels (6) form a loop, and the rolling grooves (4), the circulation channels (5) and two sides of the backflow channels (6) are internally provided with a plurality of balls (23), spline housing (2) outer terminal surface top is provided with the lantern ring (7), oil groove (8) have been led to inside having seted up of lantern ring (7), oil filler point (9) have been seted up to lantern ring (7) up end, it corresponds a plurality ofly to lead oil groove (8) inner wall bottom a plurality of spread groove (10) have been seted up in circulation channel (5), integral key shaft (1) bottom is connected and is provided with supporting seat (11), supporting seat (11) right-hand member is provided with connecting rod (12), connecting rod (12) right-hand member is provided with backup pad (13).

2. The ball spline assembly with lubrication structure of claim 1, wherein: it is a plurality of all be provided with baffle (14) in spread groove (10), it is a plurality of baffle (14) upper end all is provided with pivot (15), and is a plurality of pivot (15) all with lantern ring (7) rotate the connection, it is a plurality of pivot (15) upwards extend run through lantern ring (7).

3. The ball spline assembly with lubrication structure according to claim 2, wherein: and sealing rings (16) are arranged around the baffles (14).

4. The ball spline assembly with lubrication structure according to claim 2, wherein: the upper ends of the rotating shafts (15) are provided with handles (17).

5. The ball spline assembly with lubrication structure of claim 1, wherein: an oil plug (18) is arranged in the oil filling hole (9).

6. The ball spline assembly with lubrication structure of claim 1, wherein: a plurality of first mounting holes (19) are formed in the supporting seat (11), and a plurality of second mounting holes (20) are formed in the spline shaft (1) corresponding to the plurality of first mounting holes (19).

7. The ball spline assembly with lubrication structure of claim 1, wherein: the supporting plate (13) is provided with a plurality of mounting grooves (21).

8. The ball spline assembly with lubrication feature of claim 7, wherein: the upper end of the supporting plate (13) is provided with a plurality of limiting rings (22) corresponding to the mounting grooves (21).