CN211449555U

CN211449555U - Lubricating structure of ball linear guide rail reverser

Info

Publication number: CN211449555U
Application number: CN201922483422.XU
Authority: CN
Inventors: 赖军荣; 陈俊伟; 安伟伟
Original assignee: Lma Linear Tech Co ltd
Current assignee: Lma Linear Tech Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-09-08
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses a ball linear guide returns lubricating structure of ware, belong to ball linear guide field, horizontal guiding gutter and return to the groove and all be located one side of returning to the ware end cover, vertical guiding gutter is located the opposite side of returning to the ware end cover, the oiling entry is linked together with horizontal guiding gutter, horizontal guiding gutter is linked together with vertical guiding gutter, vertical guiding gutter communicates with returning to the groove mutually, after lubricating oil got into horizontal guiding gutter from the oiling entry, vertical guiding gutter is flowed through earlier to lubricating oil, get into again and return to the inslot, load the ball that returns to the inslot with the lubrication. The utility model discloses a ball linear guide returns lubricating structure of ware adopts and sets up the horizontal guiding gutter and vertical guiding gutter that are linked together and constitute oiling passageway on the different sides of returning the ware end cover, and the reasonable compactness of oil duct overall arrangement has both been guaranteed to limited space extension oil duct length of make full use of and volume to be applicable to compact structure's the ware that returns, ensure again that the ball can fully lubricate.

Description

Lubricating structure of ball linear guide rail reverser

Technical Field

The utility model relates to a ball linear guide field especially relates to a ball linear guide returns lubricating structure of ware.

Background

The ball in the ball linear guide rail rolls in the slider through the circulation of the return device, and the ball can receive the friction of each contact surface in the motion process, and in order to make the slider operate smoothly and reduce the sliding resistance of the slider, the ball in the slider needs to be fully lubricated, so the oil path channel of the return device needs to be designed reasonably. The existing oil path channel design usually adopts the oil path channel which is long and has large volume intersection and is arranged on the same plane in the reverser so as to ensure the lubricating effect of the ball, and the oil path channel design can increase the volume of the reverser and cannot be applied to the reverser with compact structure.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defect of the prior art, the utility model aims to solve the technical problem that a ball linear guide returns to lubricating structure of ware is proposed, adopts and offers the horizontal guiding gutter and the vertical guiding gutter that are linked together on the different sides of returning to the ware end cover and constitute oiling passageway, and the reasonable compactness of oil duct overall arrangement has both been guaranteed to limited space extension oil duct length and volume to be applicable to compact structure's the ware that returns, ensures again that the ball can fully lubricate.

To achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides a pair of ball linear guide returns lubricating structure of ware, including returning to the ware end cover, it has seted up the oiling entry to return to on the ware end cover, the groove that returns that is used for loading the ball has been seted up respectively to the both sides of oiling entry, the oiling entry passes through the oiling passageway and communicates with returning to the groove mutually, the oiling passageway includes horizontal guiding gutter and two at least vertical guiding gutters, horizontal guiding gutter and return to the groove and all be located one side of returning to the ware end cover, vertical guiding gutter is located the opposite side of returning to the ware end cover, the oiling entry is linked together with horizontal guiding gutter, horizontal guiding gutter is linked together with vertical guiding gutter, vertical guiding gutter communicates with returning to the groove mutually, after lubricating oil gets into horizontal guiding gutter from the oiling entry, vertical guiding gutter is flowed through earlier to lubricating oil, get into again and return to the inslot, load the ball that returns to the inslot with.

The utility model discloses preferred technical scheme lies in, has seted up two at least oiling exports on the horizontal guiding gutter, and horizontal guiding gutter is linked together through oiling export and vertical guiding gutter.

The utility model discloses preferred technical scheme lies in, vertical guiding gutter configuration is to have inclination's slant guiding gutter.

The utility model discloses preferred technical scheme lies in, returns to the groove including returning to the upper trough and returning to the lower trough, returns to the upper trough and is located the top of returning to the lower trough, returns to the upper trough and returns to the lower trough and is linked together with vertical guiding gutter respectively.

The utility model discloses preferred technical scheme lies in, returns to the inner wall of upper trough and has seted up at least one upper trough oiling entry, and vertical guiding gutter is linked together through upper trough oiling entry and returning to the upper trough.

The utility model discloses preferred technical scheme lies in, returns to the inner wall of lower groove and has seted up at least one lower groove oiling entry, and vertical guiding gutter is linked together through lower groove oiling entry and returning to the lower groove.

The utility model discloses preferred technical scheme lies in, returns to the upper trough configuration and is equipped with the upward return inclined groove that has inclination.

The utility model discloses preferred technical scheme lies in, and the configuration of returning to lower groove is to have the lower returning inclined groove of inclination.

The utility model discloses preferred technical scheme lies in, returns to the last groove configuration and is equipped with the upward return inclined groove that has inclination, returns to the lower groove configuration and is equipped with the lower return inclined groove that has inclination, upward returns to the inclined groove and returns to the inclined groove down and personally submit symmetric distribution along the horizontal reference, and upward returns to the one end of inclined groove and the one end that returns to the inclined groove down and is close each other and constitute the acute angle.

The utility model discloses preferred technical scheme lies in, and the outer wall of vertical guiding gutter and the hookup location between the outer wall of returning to the groove are equipped with the strengthening rib that is used for strengthening firm cell body.

The utility model has the advantages that:

the utility model provides a ball linear guide returns lubricating structure to ware, the oiling passageway includes horizontal guiding gutter and two at least vertical guiding gutters, horizontal guiding gutter and return to the groove and all be located one side of returning to the ware end cover, vertical guiding gutter is located the opposite side of returning to the ware end cover, the oiling entry is linked together with horizontal guiding gutter, horizontal guiding gutter is linked together with vertical guiding gutter, vertical guiding gutter and return to the groove and communicate mutually, after lubricating oil gets into horizontal guiding gutter from the oiling entry, vertical guiding gutter is flowed through earlier to lubricating oil, get into again and return to the inslot, load the ball that returns to the inslot with the lubrication. Under the prerequisite that does not change the whole volume of returning to the ware end cover, through offering horizontal guiding gutter in one side of returning to the ware end cover, offer vertical guiding gutter at the opposite side of returning to the ware end cover, will return to the limited space of ware end cover and offer horizontal guiding gutter and vertical guiding gutter, make the space make full use of, extension oil duct length and expansion oil duct volume ensure that the ball has good lubricated effect, and oil duct overall arrangement structure is compacter reasonable, in order to be applicable to compact structure's returning to the ware.

Drawings

Fig. 1 is a first perspective view of a lubrication structure of a ball linear guide rail return device according to an embodiment of the present invention;

fig. 2 is a structural perspective view of a lubrication structure of the ball linear guide rail return device according to the embodiment of the present invention;

fig. 3 is a front view of a lubrication structure of a ball linear guide return device according to an embodiment of the present invention;

fig. 4 is a cross-sectional view of the lubrication structure of the ball linear guide return in the direction a-a of fig. 3.

In the figure:

1. a reverser end cap; 2. an oiling inlet; 3. a return groove; 31. returning to the upper tank; 311. an upper groove oiling inlet; 32. returning to the lower tank; 321. a lower trough oiling inlet; 4. an oil injection channel; 41. a transverse diversion trench; 411. an oil injection outlet; 42. a longitudinal diversion trench; 5. reinforcing ribs; 6. a threaded bore.

Detailed Description

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

As shown in fig. 1 to 4, the lubricating structure of the ball linear guide rail return device provided in this embodiment includes a return device end cover 1, an oil injection inlet 2 is provided on the return device end cover 1, return grooves 3 for loading balls are respectively provided on two sides of the oil injection inlet 2, and the oil injection inlet 2 is communicated with the return grooves 3 through an oil injection passage 4. Returning to ware end cover 1 and opening a plurality of screw hole 6 that establish on returning to ware end cover 1 through the picture in the picture and return to the ware part with others and can dismantle the screw assembly, and after the assembly was accomplished, screw hole 6 was sealed, and lubricating oil enters into oiling passageway 4 from oiling entry 2, and rethread oiling passageway 4 enters into and returns to in the groove 3 to the ball of lubricated loading in returning to groove 3, and lubricated and return to the ball in ware end cover 1 matched with slider part. In order to ensure that the ball in the return groove 3 is fully lubricated on the premise of ensuring the compact structure of the return device. Further, the oil injection passage 4 includes a transverse flow guide groove 41 and at least two longitudinal flow guide grooves 42, the transverse flow guide groove 41 and the return groove 3 are both located on one side of the return device end cover 1, the longitudinal flow guide groove 42 is located on the other side of the return device end cover 1, the oil injection inlet 2 is communicated with the transverse flow guide groove 41, the transverse flow guide groove 41 is communicated with the longitudinal flow guide groove 42, the longitudinal flow guide groove 42 is communicated with the return groove 3, after the lubricating oil enters the transverse flow guide groove 41 from the oil injection inlet 2, the lubricating oil flows through the longitudinal flow guide groove 42 first and then enters the return groove 3 to lubricate the balls loaded in the return groove 3 and lubricate the balls in the slider part matched with the return device end cover 1. Wherein, in order to guarantee to return to groove 3 structural strength and prevent to return to the interior lubricating oil excessive and reduce lubricated effect of groove 3, should not be too much or too big to return to the pore that groove 3 and vertical guiding gutter 42 are linked together, at this moment, in order to guarantee that lubricating oil circulates smoothly and to guarantee that the ball can fully lubricate, need lengthen the oil duct length of oiling passageway 4 and enlarge the oil duct volume. On the premise of not changing the whole volume of the reverser end cover 1, a transverse diversion trench 41 is formed in one side of the reverser end cover 1, a longitudinal diversion trench 42 is formed in the other side of the reverser end cover 1, and the transverse diversion trench 41 and the longitudinal diversion trench 4 are formed in the limited space of the reverser end cover 1, so that the space is fully utilized, the length of an oil duct is prolonged, the volume of the oil duct is enlarged, the ball is ensured to have a good lubricating effect, the layout structure of the oil duct is more compact and reasonable, and the reverser is suitable for being compact in structure. Through the process, the oil filling channel 4 consisting of the transverse diversion grooves 41 and the longitudinal diversion grooves 4 can prolong the length of the oil duct and enlarge the volume of the oil duct, so that the smooth circulation of lubricating oil and the sufficient lubrication of balls returned to the grooves 3 are ensured, and the layout structure of the oil duct is more compact and reasonable so as to be suitable for the return device with compact structure.

Preferably, at least two oil injection outlets 411 are formed in the transverse guiding groove 41, and the transverse guiding groove 41 is communicated with the longitudinal guiding groove 42 through the oil injection outlets 411. By providing the oil injection outlet 411, the lubricating oil can be conveniently introduced into the longitudinal guide grooves 42 from the transverse guide grooves 41 through the oil injection outlet 411.

Preferably, the longitudinal channels 42 are configured as diagonal channels having an oblique angle. The inclined diversion trench has an inclined angle, so that lubricating oil can conveniently flow from top to bottom along the chute wall of the inclined diversion trench and can be injected into the return trench 3, and the balls in the return trench 3 have enough lubricating oil to be lubricated.

Preferably, the return grooves 3 include a return upper groove 31 and a return lower groove 32, the return upper groove 31 is located above the return lower groove 32, and the return upper groove 31 and the return lower groove 32 are respectively communicated with the longitudinal diversion grooves 42. The return upper groove 31 and the return lower groove 32 are loaded with balls, so that the transmission efficiency of the sliding block matched with the end cover 1 of the return device is guaranteed. The longitudinal diversion grooves 42 can synchronously convey lubricating oil to the return upper groove 31 and the return lower groove 32, and ensure that the balls in the return upper groove 31 and the return lower groove 32 are fully lubricated.

Preferably, at least one upper trough oil injection inlet 311 is formed in the inner wall of the return upper trough 31, and the longitudinal diversion trough 42 is communicated with the return upper trough 31 through the upper trough oil injection inlet 311. By providing the upper groove oil injection inlet 311, the lubricating oil can be conveniently introduced into the return upper groove 31 from the longitudinal guide groove 42 through the upper groove oil injection inlet 311.

Preferably, at least one lower trough oil injection inlet 321 is formed in the inner wall of the downward returning trough 32, and the longitudinal guide trough 42 is communicated with the downward returning trough 32 through the lower trough oil injection inlet 321. By providing the lower trough oil injection inlet 321, the entry of lubrication oil from the longitudinal guide troughs 42 into the return lower trough 32 through the lower trough oil injection inlet 321 is facilitated.

Preferably, the return upper groove 31 is configured as an upper return inclined groove having an inclined angle. Go up to return to the inclined groove and have inclination, the chute wall along going up to returning to the inclined groove of being convenient for is from last down flowing, and the circulation is more smooth and easy, improves the lubricated effect to the ball.

Preferably, the return-to-lower slot 32 is configured as a lower return-to-inclined slot having an inclined angle. The downward return inclined groove has an inclination angle, so that lubricating oil can flow downwards along the chute wall of the downward return inclined groove from top to bottom, the circulation is smoother, and the lubricating effect on the balls is improved.

Preferably, the upper returning groove 31 is configured as an upper returning inclined groove having an inclined angle, the lower returning groove 32 is configured as a lower returning inclined groove having an inclined angle, the upper returning inclined groove and the lower returning inclined groove are symmetrically distributed along the horizontal reference plane, and one end of the upper returning inclined groove and one end of the lower returning inclined groove are close to each other and form an acute angle. Go up to return to the inclined groove and all have inclination with returning to the inclined groove down, the chute wall that is convenient for lubricating oil along going up to return to the inclined groove or return to the inclined groove down from last down flowing, and the circulation is more smooth and easy, improves the lubricated effect to the ball. And the upward returning inclined groove and the downward returning inclined groove are symmetrically distributed along the horizontal reference surface, and one end of the upward returning inclined groove and one end of the downward returning inclined groove are close to each other and form an acute angle, so that the upward returning inclined groove and the downward returning inclined groove can avoid the threaded hole 6, and the structure is ensured to be more compact.

Preferably, a reinforcing rib 5 for reinforcing the stable groove body is arranged at the connecting position between the outer wall of the longitudinal diversion groove 42 and the outer wall of the return groove 3. Through setting up strengthening rib 5, can stabilize the strengthening to the cell body of vertical guiding gutter 42 and returning groove 3.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the invention. The present invention is not to be limited by the specific embodiments disclosed herein, and other embodiments that fall within the scope of the claims of the present application are intended to be within the scope of the present invention.

Claims

1. The utility model provides a lubricating structure of ball linear guide returns to ware, is including returning to ware end cover (1), it enters mouth (2) to have seted up the oiling on ware end cover (1), groove (3) that return to that are used for loading the ball are seted up respectively to the both sides of oiling entry (2), oiling entry (2) through oiling passageway (4) with return to groove (3) and be linked together its characterized in that:

the oil injection channel (4) comprises a transverse guide groove (41) and at least two longitudinal guide grooves (42);

the transverse diversion trench (41) and the return trench (3) are both positioned on one side of the end cover (1) of the reverser, and the longitudinal diversion trench (42) is positioned on the other side of the end cover (1) of the reverser;

the oil injection inlet (2) is communicated with the transverse diversion trench (41), the transverse diversion trench (41) is communicated with the longitudinal diversion trench (42), and the longitudinal diversion trench (42) is communicated with the return trench (3);

when the lubricating oil enters the transverse diversion grooves (41) from the oil injection inlet (2), the lubricating oil firstly flows through the longitudinal diversion grooves (42) and then enters the return grooves (3) so as to lubricate the balls loaded in the return grooves (3).

2. The lubrication structure of the ball linear guide return device according to claim 1, wherein:

at least two oil injection outlets (411) are formed in the transverse diversion trench (41);

the transverse diversion trench (41) is communicated with the longitudinal diversion trench (42) through the oil injection outlet (411).

3. The structure of lubricating a ball linear guide return device according to claim 1 or 2, wherein:

the longitudinal flow guide grooves (42) are configured as oblique flow guide grooves with oblique angles.

4. The lubrication structure of the ball linear guide return device according to claim 1, wherein:

the return groove (3) comprises a return upper groove (31) and a return lower groove (32);

the return-up groove (31) is positioned above the return-down groove (32);

the upward returning groove (31) and the downward returning groove (32) are respectively communicated with the longitudinal diversion groove (42).

5. The lubrication structure of the ball linear guide rail return device according to claim 4, wherein:

the inner wall of the return upper groove (31) is provided with at least one upper groove oil injection inlet (311);

the longitudinal diversion trench (42) is communicated with the upper returning trench (31) through the upper trench oil injection inlet (311).

6. The lubrication structure of the ball linear guide rail return device according to claim 4, wherein:

the inner wall of the downward returning groove (32) is provided with at least one lower groove oil injection inlet (321);

the longitudinal diversion trench (42) is communicated with the downward returning trench (32) through the lower trench oil injection inlet (321).

7. The structure of lubricating a ball linear guide return device according to claim 4 or 5, wherein:

the return-to-upper groove (31) is configured as an upward return-to-inclined groove having an inclined angle.

8. The structure of lubricating a ball linear guide return device according to claim 4 or 6, wherein:

the downward returning groove (32) is configured as a downward returning inclined groove having an inclined angle.

9. The lubrication structure of the ball linear guide return device according to any one of claims 4 to 6, wherein:

the return-to-upper groove (31) is configured as an upper return-to-inclined groove having an inclined angle;

the downward returning groove (32) is configured as a downward returning inclined groove with an inclined angle;

the upper return inclined groove and the lower return inclined groove are symmetrically distributed along a horizontal reference surface, and one end of the upper return inclined groove and one end of the lower return inclined groove are close to each other and form an acute angle.

10. The lubrication structure of the ball linear guide return device according to claim 1, wherein:

and reinforcing ribs (5) for reinforcing the stable groove body are arranged at the connecting positions between the outer wall of the longitudinal diversion groove (42) and the outer wall of the return groove (3).