CN206874796U - A kind of self-lubricated high-speed ball screw pair - Google Patents
A kind of self-lubricated high-speed ball screw pair Download PDFInfo
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- CN206874796U CN206874796U CN201720649619.4U CN201720649619U CN206874796U CN 206874796 U CN206874796 U CN 206874796U CN 201720649619 U CN201720649619 U CN 201720649619U CN 206874796 U CN206874796 U CN 206874796U
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- lubricating oil
- ball screw
- screw pair
- self
- oil
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Abstract
The utility model discloses a kind of self-lubricated high-speed ball screw pair, the lubricating method that it solves ball-screw in the prior art is complex, the abundant lubrication in good time to lead screw pair can not be realized, there is sufficient lubrication, in good time enough lubricant effects, its scheme are as follows automatically：A kind of self-lubricated high-speed ball screw pair, including the lubricating oil housing outside ball screw assembly, lubricating oil oil pocket is formed in lubricating oil housing, perforate is set in lead screw pair so that lubricating oil oil pocket is connected with lead screw shaft, lubricating oil oil pocket is connected by pipeline with the Lubricating oil tank equipped with lubricating oil；Piezo-activator outside lubricating oil oil pocket, piezo-activator action, to cause Lubricating Oil chamber cavity volume to change, and then makes lubricating oil enter Lubricating Oil intracavitary by pipeline.
Description
Technical field
The lubricating area of ball screw assembly, is the utility model is related to, more particularly to a kind of self-lubricated high speed ball wire
Thick stick pair.
Background technology
With the high speed and high precision int of Digit Control Machine Tool, as the ball screw assembly, of crucial transmission parts, its reliability
With the overall performance of the direct decision systems of precision stability.In numerically controlled processing equipment, ball screw assembly, using more and more extensive,
But its revolution at a high speed is because centrifugal force easily causes lack of lubrication, and high speed feed easily makes ball by rolling with high acceleration and deceleration motion
Switch to slide, destroy oil film thickness unstability and cause lubrication inequality to cause aggravation abrasion and temperature rise.In traditional oils lubricating system
In, it can be lubricated using oil dripping, oil bath or injection mode.These modes are that manually or automatically gap oiling device or spraying fill
Put and at regular time and quantity add to fresh oil in ball screw assembly, be used widely in actual production process, but oil lubrication equipment
Cost is higher, and can not cause to lubricate insufficient, shadow according to the automatic enough lubrications in good time of ball screw assembly, friction or vibration characteristics
The compliance that ball moves in screw thread is rung, causes numerical control (NC) Machining Accuracy to decline.
Utility model content
For overcome the deficiencies in the prior art, the utility model provides a kind of self-lubricated high-speed ball screw pair,
By the setting of lubricating oil cavity in the lead screw pair, coordinate the setting of piezo-activator, the change of Lubricating Oil cavity volume can be passed through
Change, be easy to lubricating oil to enter in lead screw pair raceway, lead screw pair is lubricated.
A kind of concrete scheme of self-lubricated high-speed ball screw pair is as follows：
A kind of self-lubricated high-speed ball screw pair, including：
Lubricating oil housing outside ball screw assembly, lubricating oil housing is interior to form lubricating oil oil pocket, in lead screw pair
Perforate is set so that lubricating oil oil pocket is connected with lead screw shaft, lubricating oil oil pocket passes through pipeline and the Lubricating Oil equipped with lubricating oil
Case connects；
Piezo-activator outside lubricating oil oil pocket, piezo-activator action, to cause Lubricating Oil chamber cavity body
Product changes, and then lubricating oil is entered Lubricating Oil intracavitary by pipeline.
In above-mentioned lead screw pair, piezo-activator can be according to the vibration strong or weak degree of ball-screw, when vibrating stronger, piezoelectricity
Micropump compression lubricating oil oil pocket cavity volume is braked, the volume diminishes, and such lubricating oil is inhaled into Lubricating Oil by pipeline
Intracavitary, and entered by perforate in the raceway of ball, it is lubricated, when vibrating weaker, lubricating oil oil pocket becomes big, lubricating oil
Stopping is pumped to.
In order to avoid the influence operated to ball screw assembly, the lubricating oil oil pocket is located at the outside of nut, Lubricating Oil
Cavity is formed by lubricating oil housing, and lubricating oil housing, which can surround, sets a circle or half-turn on the outside of lead screw pair, such perforate can
It is one or more being set perpendicular to lead screw shaft axis direction.
Lubricating Oil intracavitary is entered in order to facilitate lubricating oil, the pipeline is set through nut, the contracting of the TOP mouth of pipe
Footpath, the mouth of pipe of undergauge can raise speed to lubricating oil, ensure the speed of lubricating oil.
The perforate is set with TOP interval setpoint distance, and the perforate is equivalent to lubricating oil outlet.
The distance between the perforate and nut flange are more than the distance between the TOP mouth of pipe and nut flange, so
Setting can shorten in-line distance, under the equal suction of oil pocket, can improve oil inlet quantity.
Nut sets seal felt in the sidepiece of lead screw shaft, and portion sets oil-containing groove under the nut, and lubricating oil is from leading screw spiral roll
Road is flowed out, and oil-containing groove is collected to the lubricating oil flowed out from lead screw shaft, so as to flow back into again in Lubricating oil tank.
In order to avoid being polluted to lubricating oil, the Lubricating Oil box top is setting filtering with seal felt intersection
Part, filtration members are filter paper, and proper time can be changed to filter paper.
In order to realize the control to the change of Lubricating Oil cavity volume, the cavity of the lubricating oil oil pocket is by plastic material system
Into the pumping diaphragm of actuator base is made using monocrystalline silicon piece.
It is as follows the step of the above method using a kind of method of described self-lubricated high-speed ball screw pair：
1) piezo-activator detects the oscillation intensity of high-speed ball screw pair, changes the size of lubricating oil oil pocket with this；
2) for the lubricating oil in Lubricating oil tank in the case where Lubricating Oil cavity volume changes, lubricating oil passes through pipeline
Lubricating Oil intracavitary is entered, lubricating oil is entered in ball screw assembly, raceway by perforate, realizes high-speed ball screw pair
In good time enough lubrications.
Compared with prior art, the beneficial effects of the utility model are：
1) lubricating oil detects oscillation intensity by piezo-activator in the utility model, by the body for changing lubricating oil oil pocket
Product changes to control the entrance of lubricating oil, and reaction speed is fast, can be according to the automatic foot in good time of ball screw assembly, friction or vibration characteristics
Amount lubrication.
2) lubricating oil can be recycled by the setting of seal felt in the utility model, effectively improves energy profit
With rate.
3) apparatus structure is simple in the utility model, and all parts structure setting is rationally and reliable.
Brief description of the drawings
The Figure of description for forming the part of the application is used for providing further understanding of the present application, and the application's shows
Meaning property embodiment and its illustrate be used for explain the application, do not form the improper restriction to the application.
Fig. 1 is structural representation of the present utility model.
In figure, 1, lead screw shaft, 2, pipe joint, 3, nut, 4, lubricating oil inlet, 5, piezo-activator, 6, lubricating oil outlet,
7th, lubricating oil oil pocket, 8, ball, 9, seal felt, 10, filter paper, 11, Lubricating oil tank.
Embodiment
It is noted that described further below is all exemplary, it is intended to provides further instruction to the application.It is unless another
Indicate, all technologies used herein and scientific terminology are with usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in this manual using term "comprising" and/or " bag
Include " when, it indicates existing characteristics, step, operation, device, component and/or combinations thereof.
As background technology is introduced, the deficiencies in the prior art, in order to solve technical problem as above, this Shen
It please propose a kind of self-lubricated high-speed ball screw pair.
In a kind of typical embodiment of the application, as shown in figure 1, a kind of self-lubricated high-speed ball screw pair,
Including the lubricating oil housing outside ball screw assembly, lubricating oil oil pocket 7 is formed in lubricating oil housing, is set in lead screw pair
So that lubricating oil oil pocket is connected with lead screw shaft 1, lubricating oil oil pocket 7 passes through pipeline and the Lubricating oil tank equipped with lubricating oil for perforate
11 connections；
Piezo-activator 5 outside lubricating oil oil pocket 7, piezo-activator 5 act, to cause the chamber of Lubricating Oil chamber 7
Body volume changes, and then lubricating oil is entered by pipeline in lubricating oil oil pocket 7.
In above-mentioned lead screw pair, piezo-activator 5 can be according to the vibration strong or weak degree of ball-screw, when vibrating stronger, pressure
Electric braking Micropump 5 compresses the cavity volume of lubricating oil oil pocket 7, and the volume diminishes, and such lubricating oil is inhaled into lubrication by pipeline
In oil pocket 7, and entered in the raceway of ball 8, be lubricated by perforate, when vibrating weaker, lubricating oil oil pocket 7 becomes
Greatly, lubricating oil stops being pumped to.
In order to avoid the influence operated to ball screw assembly, the lubricating oil oil pocket 7 is located at the outside of nut 3, lubricating oil
Oil cavity is formed by lubricating oil housing, and lubricating oil housing, which can surround, sets a circle or half-turn, such perforate on the outside of lead screw pair
One or more can be set perpendicular to lead screw shaft axis direction.
Being entered in order to facilitate lubricating oil in lubricating oil oil pocket 7, pipeline is set through nut 3, TOP mouth of pipe undergauge,
And the mouth of pipe forms lubricating oil inlet 4, the mouth of pipe of undergauge can raise speed to lubricating oil, ensure the speed of lubricating oil；Or spiral shell
One oilhole is set in mother 3, and oilhole is connected in the side of nut 3 by pipe joint with pipeline, simplifies the setting structure of device.
Perforate is set with TOP interval setpoint distance, and the perforate is equivalent to lubricating oil outlet 6, perforate and nut flange
The distance between be more than the distance between the TOP mouth of pipe and nut flange.
Nut 3 sets seal felt 9 in the sidepiece of lead screw shaft 1, and seal felt is used to strike off the fluid in lead screw shaft,
The bottom of nut 3 sets oil-containing groove, and oil-containing groove is connected with the top of Lubricating oil tank 11, and lubricating oil flows out from leading screw spiral rolling track, connects
Oil groove is collected to the lubricating oil flowed out from lead screw shaft 1, so as to flow back into again in Lubricating oil tank 11.
In order to avoid being polluted to lubricating oil, the top of Lubricating oil tank 11 is setting filtration members with seal felt intersection,
Filtration members are filter paper 10, and proper time can be changed to filter paper 10.
In order to realize the control to the Volume Changes of lubricating oil oil pocket 7, the cavity of lubricating oil oil pocket 7 is made up of plastic material.
It is as follows the step of the above method using a kind of method of described self-lubricated high-speed ball screw pair：
1) piezo-activator detects the oscillation intensity of high-speed ball screw pair, changes the size of lubricating oil oil pocket with this；
2) for the lubricating oil in Lubricating oil tank in the case where Lubricating Oil cavity volume changes, lubricating oil passes through pipeline
Lubricating Oil intracavitary is entered, lubricating oil is entered in ball screw assembly, raceway by perforate, realizes high-speed ball screw pair
In good time enough lubrications.
The preferred embodiment of the application is the foregoing is only, is not limited to the application, for the skill of this area
For art personnel, the application can have various modifications and variations.It is all within spirit herein and principle, made any repair
Change, equivalent substitution, improvement etc., should be included within the protection domain of the application.
Claims (8)
- A kind of 1. self-lubricated high-speed ball screw pair, it is characterised in that including：Lubricating oil housing outside ball screw assembly, lubricating oil housing is interior to form lubricating oil oil pocket, is set in lead screw pair So that lubricating oil oil pocket is connected with lead screw shaft, lubricating oil oil pocket is connected by pipeline and the Lubricating oil tank equipped with lubricating oil for perforate Connect；Piezo-activator outside lubricating oil oil pocket, piezo-activator action, to cause Lubricating Oil chamber cavity volume to send out Changing, and then lubricating oil is entered Lubricating Oil intracavitary by pipeline.
- A kind of 2. self-lubricated high-speed ball screw pair according to claim 1, it is characterised in that the Lubricating Oil Chamber is located at the outside of nut.
- 3. a kind of self-lubricated high-speed ball screw pair according to claim 1, it is characterised in that the pipeline passes through Nut is set, TOP mouth of pipe undergauge.
- 4. a kind of self-lubricated high-speed ball screw pair according to claim 1, it is characterised in that the perforate and pipe Road head clearance setpoint distance is set.
- 5. a kind of self-lubricated high-speed ball screw pair according to claim 3, it is characterised in that the perforate and spiral shell The distance between mother law orchid is more than the distance between the TOP mouth of pipe and nut flange.
- 6. a kind of self-lubricated high-speed ball screw pair according to claim 2, it is characterised in that the nut is in silk The sidepiece of thick stick axle sets seal felt, and oil-containing groove is set in the bottom of nut.
- A kind of 7. self-lubricated high-speed ball screw pair according to claim 1, it is characterised in that the Lubricating Oil Box top is setting filtration members with seal felt intersection.
- A kind of 8. self-lubricated high-speed ball screw pair according to claim 1, it is characterised in that the Lubricating Oil The cavity of chamber is made up of plastic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720649619.4U CN206874796U (en) | 2017-06-06 | 2017-06-06 | A kind of self-lubricated high-speed ball screw pair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720649619.4U CN206874796U (en) | 2017-06-06 | 2017-06-06 | A kind of self-lubricated high-speed ball screw pair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206874796U true CN206874796U (en) | 2018-01-12 |
Family
ID=61338070
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720649619.4U Expired - Fee Related CN206874796U (en) | 2017-06-06 | 2017-06-06 | A kind of self-lubricated high-speed ball screw pair |
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| CN (1) | CN206874796U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113510532A (en) * | 2021-09-14 | 2021-10-19 | 启东市万润机床附件有限公司 | Ball transmission device for machine tool machining |
-
2017
- 2017-06-06 CN CN201720649619.4U patent/CN206874796U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113510532A (en) * | 2021-09-14 | 2021-10-19 | 启东市万润机床附件有限公司 | Ball transmission device for machine tool machining |
| CN113510532B (en) * | 2021-09-14 | 2021-11-19 | 启东市万润机床附件有限公司 | Ball transmission device for machine tool machining |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180112 Termination date: 20200606 |