阅读说明：本技术 一种分配器及主轴 (Distributor and main shaft ) 是由 伍曦 张翰乾 汤丽君 汤秀清 于 2020-07-21 设计创作，主要内容包括：本发明公开一种分配器及主轴,该分配器包括：分配器座,其上设有进油口及出油口；旋转轴,其通过一弹性复位件转动安装于分配器座中,旋转轴与分配器座之间限定有环绕旋转轴的油腔,旋转轴上安装有挡块,旋转轴与分配器座之间设有能够限制旋转轴的转动角度的限位机构；以及进油组件,其安装于分配器座上,且周向间隔于挡块设于容纳腔内,挡块及进油组件将油腔分隔成油压腔及储油腔,进油组件内开设有油路,油路的两端分别为进油端及出油端,进油端与进油口连通,出油端与储油腔连通,油路中设有弹簧、阀塞及油路转换器,能够实现进油口泵送高压油时连通油压腔,断开供油时连通储油腔。本发明的有益效果为：能够实现稳定的油体定量输出。(The invention discloses a distributor and a main shaft, wherein the distributor comprises: the distributor base is provided with an oil inlet and an oil outlet; the rotating shaft is rotatably arranged in the distributor base through an elastic reset piece, an oil cavity surrounding the rotating shaft is limited between the rotating shaft and the distributor base, a stop block is arranged on the rotating shaft, and a limiting mechanism capable of limiting the rotating angle of the rotating shaft is arranged between the rotating shaft and the distributor base; the oil inlet assembly is arranged on the distributor base, is circumferentially arranged in the containing cavity at intervals of the stop block, divides the oil cavity into an oil pressure cavity and an oil storage cavity, is internally provided with an oil way, the two ends of the oil way are respectively an oil inlet end and an oil outlet end, the oil inlet end is communicated with the oil inlet, the oil outlet end is communicated with the oil storage cavity, and the oil way is internally provided with a spring, a valve plug and an oil way converter which can realize the communication of the oil pressure cavity when the oil inlet pumps high-pressure oil and the communication of the oil storage cavity when the oil supply is cut off. The invention has the beneficial effects that: can realize stable oil body quantitative output.)

1. A dispenser, comprising:

the distributor base is provided with an oil inlet and an oil outlet, and the oil outlet is provided with a one-way valve only allowing oil to flow out of the oil storage cavity;

the distributor comprises a rotating shaft, a distributor seat, a rotating shaft, a stopper and a limiting mechanism, wherein the rotating shaft is rotatably arranged in the distributor seat through an elastic resetting piece, an oil cavity surrounding the rotating shaft is defined between the rotating shaft and the distributor seat, the rotating shaft is provided with the stopper, the stopper is positioned in the oil cavity, and the limiting mechanism capable of limiting the rotating angle of the rotating shaft is arranged between the rotating shaft and the distributor seat; and

the oil inlet assembly is arranged on the distributor base, is circumferentially arranged in the accommodating cavity at intervals, divides the oil cavity into an oil pressure cavity and an oil storage cavity, is internally provided with an oil way, and has an oil inlet end and an oil outlet end at two ends respectively, the oil inlet end is communicated with the oil inlet, and the oil outlet end is communicated with the oil storage cavity;

wherein, the oil outlet end is provided with a one-way valve which only allows oil body to flow into the oil storage cavity from the oil path, the oil path is sequentially provided with a spring, a valve plug and an oil path converter from front to back, two ends of the elastic piece are respectively connected with the distributor base and the front end of the valve plug, the rear end of the valve plug comprises a sealing surface and an elastic sealing part arranged on the periphery of the sealing surface, the elastic sealing part protrudes outwards in the radial direction from front to back and is matched and sealed with the inner peripheral wall of the oil path, the oil path converter is connected with the distributor base and is provided with a first flow passage and a second flow passage which are not communicated with each other, the sealing surface is matched and sealed at one end of the first flow passage, the other end of the first flow passage is communicated with the oil path, a distribution cavity is limited between the front end of the oil path converter, the position of the rear end of the valve plug relative to the, the second flow passage communicates the distribution chamber and the oil pressure chamber.

2. The dispenser of claim 1, wherein the stop mechanism comprises: the distributor comprises a first limiting part, a second limiting part and a third limiting part, wherein the first limiting part and the second limiting part are circumferentially arranged on the distributor base at intervals, and the third limiting part is arranged on the rotating shaft and is positioned between the first limiting part and the second limiting part.

3. The dispenser of claim 2, wherein the first, second, and third stops are all screws.

4. The dispenser according to claim 2, wherein the mounting position of the first and/or second stopper portion is adjustable in a circumferential direction of the dispenser seat.

5. The distributor of claim 4, wherein the distributor base is provided with a plurality of mounting positions at intervals along the circumferential direction of the distributor base, and the first limiting portion and the second limiting portion are detachably connected to one of the mounting positions respectively.

6. The dispenser according to claim 1, wherein the oil passage switch includes a first body and a second body connected in series from front to back, an outer edge of the second body protrudes from an outer edge of the first body with respect to a portion of the elastic sealing portion, the first flow passage penetrates a front end surface of the first body, and the sealing surface abuts against the front end surface of the first body.

7. The dispenser of claim 6, wherein the resilient abutment is circumferentially disposed about the outer periphery of the sealing surface;

the first body and the second body are coaxial and cylindrical, the outer diameter of the second body is larger than that of the first body, and at least two second runners are uniformly distributed on the second body in the circumferential direction.

8. The distributor according to claim 1, wherein an oil outlet seat is mounted on the distributor seat at the oil outlet, the oil outlet seat is provided with an oil outlet channel communicated with the oil outlet, and the oil outlet seat is further provided with an air inlet channel communicated with the oil outlet channel.

9. The dispenser of claim 1, wherein the dispenser receptacle comprises:

the base body is provided with a first groove and a second groove on two opposite side surfaces respectively, the first groove is communicated with the second groove, and the inner diameter of the second groove is larger than that of the first groove; and

the cover plate is arranged at the opening of the second groove in a covering manner;

one end of the rotating shaft penetrates through the first groove and the second groove respectively and is in sealing and abutting contact with the cover plate, and the outer peripheral wall of the rotating shaft is in sealing and abutting contact with the inner peripheral wall of the first groove.

10. A spindle comprising a bearing and a distributor as claimed in any one of claims 1 to 9, the outlet port being aligned with the bearing.

Technical Field

The invention relates to an oil-gas distributor and a main shaft comprising the same.

Background

The oil-gas lubrication technology is applied to the main shaft, is an efficient lubrication mode which appears after grease lubrication and oil mist lubrication technologies, mainly uses compressed air as power, continuously and accurately provides a trace amount of lubricating oil for the bearing of the main shaft, and can improve the limit rotating speed of the bearing and prolong the service life of the bearing.

The oil-gas distributor is a key part of an oil-gas lubricating device, quantitative distribution is realized by mainly controlling pumping time in the conventional oil-gas distributor, but the pumping oil pressure at each moment is difficult to ensure equal, so that the quantitative delivery of oil bodies in each working period is difficult to realize; in addition, the oil output of each quantitative oil-gas distributor cannot be adjusted, and the requirement of supplying different oil quantities to bearings of different types of main shafts cannot be met.

Disclosure of Invention

It is an object of the present application to provide a dispenser which enables a quantitative output of output oil bodies. It is another object of the present application to provide a spindle comprising the above dispenser.

The purpose of the application is realized by the following technical scheme:

a dispenser, comprising:

the distributor base is provided with an oil inlet and an oil outlet, and the oil outlet is provided with a one-way valve only allowing oil to flow out of the oil storage cavity;

the distributor comprises a rotating shaft, a distributor seat, a rotating shaft, a stopper and a limiting mechanism, wherein the rotating shaft is rotatably arranged in the distributor seat through an elastic resetting piece, an oil cavity surrounding the rotating shaft is defined between the rotating shaft and the distributor seat, the rotating shaft is provided with the stopper, the stopper is positioned in the oil cavity, and the limiting mechanism capable of limiting the rotating angle of the rotating shaft is arranged between the rotating shaft and the distributor seat; and

the oil inlet assembly is arranged on the distributor base, is circumferentially arranged in the accommodating cavity at intervals, divides the oil cavity into an oil pressure cavity and an oil storage cavity, is internally provided with an oil way, and has an oil inlet end and an oil outlet end at two ends respectively, the oil inlet end is communicated with the oil inlet, and the oil outlet end is communicated with the oil storage cavity;

wherein, the oil outlet end is provided with a one-way valve which only allows oil body to flow into the oil storage cavity from the oil path, the oil path is sequentially provided with a spring, a valve plug and an oil path converter from front to back, two ends of the elastic piece are respectively connected with the distributor base and the front end of the valve plug, the rear end of the valve plug comprises a sealing surface and an elastic sealing part arranged on the periphery of the sealing surface, the elastic sealing part protrudes outwards in the radial direction from front to back and is matched and sealed with the inner peripheral wall of the oil path, the oil path converter is connected with the distributor base and is provided with a first flow passage and a second flow passage which are not communicated with each other, the sealing surface is matched and sealed at one end of the first flow passage, the other end of the first flow passage is communicated with the oil path, a distribution cavity is limited between the front end of the oil path converter, the position of the rear end of the valve plug relative to the, the second flow passage communicates the distribution chamber and the oil pressure chamber.

In the above dispenser, optionally, the limiting mechanism includes: the distributor comprises a first limiting part, a second limiting part and a third limiting part, wherein the first limiting part and the second limiting part are circumferentially arranged on the distributor base at intervals, and the third limiting part is arranged on the rotating shaft and is positioned between the first limiting part and the second limiting part.

In the above distributor, optionally, the first limiting portion, the second limiting portion and the third limiting portion are all screws.

In the dispenser described above, optionally, the mounting position of the first stopper portion and/or the second stopper portion may be adjustable along a circumferential direction of the dispenser seat.

In the above distributor, optionally, the distributor seat is provided with a plurality of mounting positions at intervals along a circumferential direction thereof, and the first limiting portion and the second limiting portion are detachably connected to one of the mounting positions respectively.

In the above distributor, optionally, the oil passage converter includes a first body and a second body connected in sequence from front to back, an outer edge of the second body protrudes from an outer edge of the first body relative to a portion of the elastic sealing portion, the first flow passage penetrates through a front end surface of the first body, and the sealing surface abuts against the front end surface of the first body.

In the dispenser described above, optionally, the elastic abutment portion is provided annularly to an outer periphery of the seal surface;

the first body and the second body are coaxial and cylindrical, the outer diameter of the second body is larger than that of the first body, and at least two second runners are uniformly distributed on the second body in the circumferential direction.

In the above distributor, optionally, an oil outlet seat is installed at the oil outlet on the distributor seat, an oil outlet channel communicated with the oil outlet is formed in the oil outlet seat, and an air inlet channel communicated with the oil outlet channel is further formed in the oil outlet seat.

In the above dispenser, optionally, the dispenser seat comprises:

the base body is provided with a first groove and a second groove on two opposite side surfaces respectively, the first groove is communicated with the second groove, and the inner diameter of the second groove is larger than that of the first groove; and

the cover plate is arranged at the opening of the second groove in a covering manner;

one end of the rotating shaft penetrates through the first groove and the second groove respectively and is in sealing and abutting contact with the cover plate, and the outer peripheral wall of the rotating shaft is in sealing and abutting contact with the inner peripheral wall of the first groove.

A main shaft comprising a bearing and a distributor as claimed in any one of the first aspects, the oil outlet being aligned with the bearing.

The distributor comprises a distributor base and a rotating shaft inserted in the distributor through an elastic reset piece in a rotating mode, wherein an oil inlet and an oil outlet are formed in the distributor base, an oil cavity surrounding the rotating shaft is formed between the distributor base and the rotating shaft, an oil inlet assembly and a stop block are arranged in the oil cavity respectively to separate the oil cavity into an oil pressure cavity and an oil storage cavity, an oil way is formed in the oil inlet assembly, the oil inlet end of the oil way is communicated with the oil inlet, the oil outlet end of the oil way is communicated with the oil storage cavity, a valve plug with a special structure and an oil way converter matched with the valve plug are arranged in the oil way, when high-pressure oil is pumped to the oil inlet, the oil body in the oil pressure cavity flows into the oil pressure cavity and does not flow into the oil storage cavity, when the high-pressure oil pumping is stopped, the oil body in the oil pressure cavity enters the oil storage, when the oil body in the oil storage cavity is in a full state and then the high-pressure oil body is pumped, the oil body in the oil storage cavity can push the stop block, and the oil body in the oil storage cavity is output through the one-way valve of the oil outlet after being subjected to the pressure of the stop block; in the application, the limiting mechanism used for limiting the rotation angle of the rotating shaft is arranged between the distributor base and the rotating shaft, and the fixed rotation angle of the rotating shaft can realize the quantitative output of the oil body.

Drawings

The present application is described in further detail below in connection with the accompanying drawings and preferred embodiments, but those skilled in the art will appreciate that the drawings are only drawn for the purpose of explaining the preferred embodiments, and therefore should not be taken as limiting the scope of the present application. Furthermore, unless specifically stated otherwise, the drawings are intended to be conceptual in nature or configuration of the described objects and may contain exaggerated displays and are not necessarily drawn to scale.

FIG. 1 is a perspective view of one embodiment of a dispenser of the present application;

FIG. 2 is a schematic view of the dispenser of FIG. 1 with the cover plate hidden;

FIG. 3 is a schematic view of the dispenser of FIG. 1 from another perspective;

FIG. 4 is a schematic view of the dispenser of FIG. 1 from yet another perspective;

FIG. 5 is a schematic cross-sectional view E-E of FIG. 4;

FIG. 6 is a schematic sectional view F-F of FIG. 4;

FIG. 7 is a schematic sectional view A-A of FIG. 4;

FIG. 8 is a partial cross-sectional view of the dispenser of FIG. 4 with respect to the oil outlet seat thereof;

FIG. 9 is a schematic illustration of a first stage of oil body output for one embodiment of the distributor of the present application;

FIG. 10 is a schematic illustration of a second stage of oil delivery from the dispenser of FIG. 9;

fig. 11 is a schematic illustration of a third stage of oil delivery from the dispenser of fig. 9.

In the figure:

1. a distributor base; 11. an oil inlet; 12. an oil outlet; 13. a first limiting part; 14. an installation position; 15. a second limiting part; 16. an oil outlet seat; 161. an oil outlet channel; 162. an air intake passage; 17. a base body; 171. a first groove; 172. a second groove; 18. a cover plate; 19. an oil inlet joint; 110. a set screw;

2. a rotating shaft; 21. a stopper; 22. a third limiting part;

3. an oil inlet assembly; 31. an oil path; 311. an oil inlet end; 312. an oil outlet end; 32. a spring; 33. a valve plug; 331. a sealing surface; 332. an elastic sealing portion; 34. an oil path converter; 341. a first flow passage; 342. a second flow passage; 343. a first body; 344. a second body; 35. a distribution chamber;

4. an oil chamber; 41. an oil pressure chamber; 42. an oil storage chamber;

5. an elastic reset member;

6. a one-way valve.

Detailed Description

Hereinafter, preferred embodiments of the present application will be described in detail with reference to the accompanying drawings. Those skilled in the art will appreciate that the descriptions are illustrative only, exemplary, and should not be construed as limiting the scope of the application.

First, it should be noted that the orientations of top, bottom, upward, downward, and the like referred to herein are defined with respect to the orientation in the respective drawings, are relative concepts, and thus can be changed according to different positions and different practical states in which they are located. These and other orientations, therefore, should not be used in a limiting sense. In addition, "front" and "rear" in the present embodiment are defined with respect to the upstream and downstream of the oil passage, where the front end is near the upstream end and the rear end is near the downstream end.

It should be noted that the term "comprising" does not exclude other elements or steps and the "a" or "an" does not exclude a plurality.

Furthermore, it should be further noted that any single technical feature described or implied in the embodiments herein, or any single technical feature shown or implied in the figures, can still be combined between these technical features (or their equivalents) to obtain other embodiments of the present application not directly mentioned herein.

It will be further understood that the terms "first," "second," and the like, are used herein to describe various information and should not be limited to these terms, which are used merely to distinguish one type of information from another. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present application.

It should be noted that in different drawings, the same reference numerals indicate the same or substantially the same components.

A first aspect of an embodiment of the present invention provides a dispenser, particularly illustrated in fig. 1-11, comprising: the distributor comprises a distributor base 1, a rotating shaft 2 and an oil inlet assembly 3; an oil inlet 11 and an oil outlet 12 are arranged on the distributor base 1, a one-way valve 6 is arranged at the oil outlet 12, the rotating shaft 2 is rotatably arranged in the distributor base 1 through an elastic reset piece 5, an oil cavity 4 surrounding the rotating shaft 2 is defined between the rotating shaft 2 and the distributor base 1, a stop block 21 is arranged on the rotating shaft 2 and is positioned in the oil cavity 4, a limiting mechanism capable of limiting the rotation angle of the rotating shaft 2 is arranged between the rotating shaft 2 and the distributor base 1, the oil inlet assembly 3 is arranged on the distributor base 1 and is circumferentially spaced in the accommodating cavity from the stop block 21, the oil cavity 4 is divided into an oil pressure cavity 41 and an oil storage cavity 424 by the stop block 21 and the oil inlet assembly 3, an oil way 31 is arranged in the oil inlet assembly 3, the two ends of the oil way 31 are respectively an oil inlet end 311 and an oil outlet end 312; wherein, the oil outlet end 312 is provided with a one-way valve 6 only allowing oil body to flow into the oil storage chamber 424 from the oil path 31, the oil path 31 is provided with a spring 32, a valve plug 33 and an oil path converter 34 from front to back in sequence, two ends of an elastic member are respectively connected with the distributor base 1 and the front end of the valve plug 33, the rear end of the valve plug 33 comprises a sealing surface 331 and an elastic sealing part 332 arranged on the periphery of the sealing surface 331, the elastic sealing part 332 protrudes outwards in radial direction from front to back and is matched and sealed with the inner peripheral wall of the oil path 31, the oil path converter 34 is connected with the distributor base, the sealing surface 331 is sealed at one end of the 341, the other end of the 341 is communicated with the oil path 31, a distribution cavity 35 is defined between the front end of the oil path converter 34, the position of the rear end of the valve plug 33 relative to the elastic sealing part 332 and the inner side wall of the oil path 31, and the second flow passage 342 is communicated with the distribution cavity 35 and the oil pressure cavity 41.

As a specific embodiment, the above-mentioned limit mechanism includes: the distributor base comprises a first limiting part 13, a second limiting part 15 and a third limiting part 22, wherein the first limiting part 13 and the second limiting part 15 are circumferentially arranged on the distributor base 1 at intervals, and the second limiting part 15 is arranged on the rotating shaft 2 and is positioned between the first limiting part 13 and the third limiting part 22.

Generally, when the rotating shaft 2 rotates to the third position-limiting portion 22 to abut against the first position-limiting portion 13, a certain oil pressure space is defined between the stopper 21 and the oil inlet assembly 3, and when the rotating shaft 2 rotates to the third position-limiting portion 22 to abut against the second position-limiting portion 15, the oil pressure space between the stopper 21 and the oil inlet assembly 3 is larger.

In addition, the first limiting portion 13 in the above embodiment may also be omitted, that is, the stopper 21 and the oil inlet assembly 3 are directly utilized for limiting, but it should be ensured that when the stopper 21 abuts against the oil inlet assembly 3, a certain oil inlet space is kept between the stoppers 21 and 341, so that when the high-pressure oil pumped from the liquid inlet flows into the 341, the stopper 21 can be pushed to slide, and the oil can be smoothly input into the oil pressure chamber 41.

The oil body conveying process of the distributor in the technical scheme is as follows:

in the first stage, as shown in fig. 9, after the high-pressure oil body is pumped to the oil inlet 11, the sealing surface 331 of the valve plug 33 is pushed by the force of the spring 32 to close the 341 of the distributor base 1, so that the oil body does not enter the oil storage chamber 424, and at the same time, the elastic sealing portion 332 of the valve plug 33 elastically deforms slightly radially inward, so that the oil body can flow into the distribution chamber 35 through the gap between the elastic sealing portion 332 and the inner peripheral wall of the oil passage 31 (see fig. 5 specifically), and flow into the oil pressure chamber 41 through the second flow passage 342 of the oil passage converter 34, and push the stopper 21, so that the rotating shaft 2 rotates counterclockwise until the third limiting portion 22 is in fit abutment with the second limiting portion 15, and the rotating shaft 2 stops rotating;

at the second stage, at this time, the oil pump does not supply oil any more, that is, the oil inlet 11 cuts off the supply of oil, the rotating shaft 2 starts to rotate clockwise under the action of the elastic restoring member 5, the oil body in the oil pressure chamber 41 returns to the distribution chamber 35 under the pressure action of the stopper 21, the oil body in the distribution chamber 35 pushes the valve plug 33 shown in fig. 5 to slide leftward against the action of the spring 32, at this time, the elastic sealing portion 332 keeps sealed with the inner peripheral wall of the oil passage 31, and the sealing surface 331 of the valve plug 33 moves backward, so that the distribution chambers 35 and 341 are communicated, and the oil body flows to the check valve 6 at the oil outlet 12 and flows into the oil storage chamber 424 through the check valve 6, until the rotating shaft 2 rotates to the third limiting portion 22 to be matched with the first limiting portion 13 for limiting, as shown in fig.;

in the third stage, the last oil supply and oil cut-off is circulated, and when the oil supply and oil cut-off is performed once, a certain amount of oil flows into the oil storage cavity 424, and when the oil in the oil storage cavity 424 is full, high-pressure oil is pumped to the oil inlet 11, and when the oil enters the high-pressure cavity, the stop block 21 can be pushed to rotate clockwise, and the oil in the oil storage cavity 424 is pressurized and then is output from the check valve 6 at the oil outlet 12, which is specifically shown in fig. 11.

Based on the above technical scheme, the angle between the first limiting portion 13 and the second limiting portion 15 along the circumferential direction, that is, the rotation angle of the rotating shaft 2 at each time, when the rotation angle of the rotating shaft 2 at each time is fixed, it can be ensured that the oil amount output from the oil outlet in each period is kept consistent without being influenced by the pumping oil pressure.

As shown in fig. 1-3, in the above embodiment, the first position-limiting portion 13, the second position-limiting portion 15 and the third position-limiting portion 22 are all screws, wherein the first position-limiting portion 13 and the second position-limiting portion 15 are screws screwed on the distributor base 1, and the third position-limiting portion 22 is a screw screwed on the rotating shaft 2.

In addition, the elastic restoring member 5 is a spring member, and a positioning screw 110 is further installed on the dispenser base 1, and one end of the spring member is connected to the positioning screw 110, and the other end is connected to the third limiting portion 22, as shown in fig. 2.

In addition, in order to adjust the oil body output quantity each time, the mounting position 14 of at least one of the first limiting part 13 and the second limiting part 15 can be adjusted along the circumferential direction of the distributor base 1; through adjusting the position of first spacing portion 13 and/or second spacing portion 15 to can adjust the relative position between first spacing portion 13 and the spacing portion 15 of second, and then adjust the rotation angle at every turn of rotation axis 2, with real-time regulation oil body output quantity, with satisfy the different oil volumes of bearing supply to the main shaft of different grade type.

Exemplarily, as shown in fig. 2, a plurality of mounting locations 14 are provided at intervals along the circumferential direction of the distributor base 1, and each mounting location 14 can be used for detachably mounting a first limiting portion 13 and a second limiting portion 15; specifically, since the first stopper portion 13 and the second stopper portion 15 can be both provided as screws, the mounting portion 14 is a screw hole opened in the distributor base 1.

Preferably, as shown in fig. 5, the oil passage converter 34 in this embodiment includes a first body 343 and a second body 344 connected in sequence from front to back, an outer edge of the second body 344 protrudes from an outer edge of the first body 343 with respect to a portion of the elastic sealing portion 332, 341 penetrates through a front end surface of the first body 343, and the sealing surface 331 abuts against the front end surface of the first body 343.

More specifically, in order to achieve a stable and reliable seal between the outer peripheral wall of the valve plug 33 and the oil passage 31, as shown in fig. 5 and fig. 6, the first body 343 and the second body 344 are coaxial and cylindrical, the outer diameter of the second body 344 is larger than that of the first body 343, and at least two second flow passages 342 are uniformly distributed in the circumferential direction on the second body 344, so as to ensure stable circulation of the oil body between the oil passage 31 and the oil pressure chamber 41.

The distributor in the embodiment is generally applied to bearing lubrication of the main shaft, so that auxiliary compressed gas is also needed to be used as power for injecting lubricating oil when oil bodies are output; therefore, the distributor base 1 is provided with the oil outlet base 16 at the oil outlet 12, the oil outlet base 16 is provided with an oil outlet channel 161 communicated with the oil outlet 12, the oil outlet base 16 is further provided with an air inlet channel 162 communicated with the oil outlet channel 161, the air inlet channel 162 is communicated with compressed air, and oil and the compressed air are mixed in the oil outlet channel 161 and then discharged, namely injected into a bearing of the main shaft to lubricate the bearing of the main shaft. For example, for ease of installation, the one-way valve 6 at the oil outlet 12 is installed in the oil outlet channel 161, as shown in particular in fig. 8.

More specifically, the dispenser stand 1 in the present embodiment includes: the seat comprises a seat body 17 and a cover plate 18, wherein two opposite side surfaces of the seat body 17 are respectively provided with a first groove 171 and a second groove 172, the first groove 171 is communicated with the second groove 172, the inner diameter of the second groove 172 is larger than that of the first groove 171, and the cover plate 18 is covered on an opening of the second groove 172; one end of the rotating shaft 2 passes through the first groove 171 and the second groove 172, and is sealed and abutted against the cover plate 18, an outer circumferential wall of the rotating shaft 2 is sealed and abutted against an inner circumferential wall of the first groove 171, and a portion of the second groove 172 located at the outer circumference of the rotating shaft 2 defines the oil chamber 4.

In order to ensure the sealing connection of the components, in the embodiment, sealing rings are arranged between the oil inlet assembly 3 and the rotating shaft 2, between the stop block 21 and the distributor base 1, and between the rotating shaft 2 and the distributor.

For example, an oil inlet joint 19 is mounted at the oil inlet 11 of the distributor base 1 in order to facilitate the connection of the oil pump device.

With the same object, the second aspect of the embodiment of the present invention also proposes a spindle comprising a bearing and a distributor as in any one of the first aspects, the oil outlet 12 of the distributor base 1 being aligned with the bearing, thereby enabling lubrication of the bearing to increase the limit rotation speed of the bearing and increase the operational life of the bearing.

The spindle in this embodiment includes the dispenser according to any one of the first aspect, so that the spindle has all the advantages of the dispenser, and details are not described herein.

To sum up, the main shaft and the distributor thereof of the embodiment of the invention have the advantages that through skillfully arranging the distributor base and the rotating shaft which is rotatably inserted in the distributor through the elastic reset piece, the distributor base is provided with an oil inlet and an oil outlet, an oil cavity which surrounds the rotating shaft is formed between the distributor base and the rotating shaft, the oil cavity is internally provided with the oil inlet assembly and the stop block respectively to separate the oil cavity into the oil pressure cavity and the oil storage cavity, the oil inlet assembly is provided with the oil circuit, the oil inlet end of the oil circuit is communicated with the oil inlet, the oil outlet end of the oil circuit is communicated with the oil storage cavity, the oil circuit is internally provided with the specially-structured valve plug and the oil circuit converter which is matched with the valve plug, when high-pressure oil is pumped to the oil inlet, the oil flows into the oil pressure cavity and does not flow into the oil storage cavity, when the high-pressure oil is, when the oil body in the oil storage cavity is in a full state and then the high-pressure oil body is pumped, the oil body in the oil storage cavity can push the stop block, and the oil body in the oil storage cavity is output through the one-way valve of the oil outlet after being subjected to the pressure of the stop block; in the application, the limiting mechanism used for limiting the rotation angle of the rotating shaft is arranged between the distributor base and the rotating shaft, and the fixed rotation angle of the rotating shaft can realize the quantitative output of the oil body.

This written description discloses the application with reference to the drawings, and also enables one skilled in the art to practice the application, including making and using any devices or systems, using suitable materials, and using any incorporated methods. The scope of the present application is defined by the claims and includes other examples that occur to those skilled in the art. Such other examples are to be considered within the scope of the claims as long as they include structural elements that do not differ from the literal language of the claims, or that they include equivalent structural elements with insubstantial differences from the literal language of the claims.