CN208578945U - A kind of lathe precise ball screw pair - Google Patents
A kind of lathe precise ball screw pair Download PDFInfo
- Publication number
- CN208578945U CN208578945U CN201821203569.8U CN201821203569U CN208578945U CN 208578945 U CN208578945 U CN 208578945U CN 201821203569 U CN201821203569 U CN 201821203569U CN 208578945 U CN208578945 U CN 208578945U
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- Prior art keywords
- ball
- nut
- fixedly connected
- ball screw
- oil storage
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Abstract
The utility model discloses a kind of lathe precise ball screw pairs, including screw rod, nut is threaded in the middle part of screw rod, the two sides of nut interior are fixedly connected to circular ring type circulator, the top and bottom of nut interior offer raceway, in the thread groove of screw rod and it is located at the inside of nut equipped with several balls, the side on nut top offers oil filler point, a kind of lathe precise ball screw pair of the utility model, it can reinforce the stability of ball-recirculation rolling by being equipped with the ring-like circulator of member and raceway, ball is prevented to get stuck at circulator, improve stability when ball-screw secondary motion；Connecting rod, sleeve, spring, permeability plate and the oil trickling hole being equipped with squeeze permeability plate to ball coating lubricating oil when can roll using ball, keep the lubricity of ball, prevent ball rolling from causing to wear, to improve the working efficiency and service life of ball screw assembly,.
Description
Technical field
The utility model relates to ball screw assembly, in particular to a kind of lathe precise ball screw pair belongs to lathe portion
Part technical field.
Background technique
Since 1973 since commercialization, ball screw assembly, has been rolled with its exclusive characteristic, has been gradually replaced traditional
The kind of drive, be widely used in various heavy Combined machining lathes, numerically-controlled machine tool, high-precision electro-spark cutting machine, grinding machine,
In industrial robot or even the machinery of general industry, ball wire bar pair is between lead screw and nut using steel ball as rolling element
Worm drive element, rotary motion can be changed into linear motion by it, or linear motion is changed into rotary motion, therefore roll
Ballscrew pair is both transmission original part, and linear motion mutually converts element with rotary motion.
Ball screw assembly, used at present is all the rotary motion rolled in the rolling using ball by nut and screw rod
It is changed into linear motion, often occurs getting stuck at the circulator of the ball screw assembly, in numerically-controlled machine tool now causing ball-screw
Secondary motion is unstable, and ball rolls the abrasion that will also result in ball for a long time, influence ball screw assembly, working efficiency and
Service life.
Utility model content
The purpose of this utility model is to provide a kind of lathe precise ball screw pairs, to solve in above-mentioned background technique
It gets stuck at the circulator of proposition, causes ball-screw secondary motion unstable, ball rolls for a long time causes ball to wear, shadow
The problem of ringing the working efficiency and service life of ball screw assembly,.
To achieve the above object, the utility model provides the following technical solutions: a kind of lathe precise ball screw pair, packet
Screw rod is included, nut is threaded in the middle part of the screw rod, the two sides of the nut interior are fixedly connected to circular ring type circulation
Device, the top and bottom of the nut interior offer raceway, and the both ends being rolled into are recycled respectively at two circular ring types
The thread groove of the ball outlet of device, the screw rod is interior and is located at the inside of nut equipped with several balls, the nut top
The side at end offers oil filler point, the inside of the nut and top for being located at circular ring type circulator offers oil storage tank, described
The top of oil storage tank is connected to oil filler point, and the bottom end of the oil storage tank is connected to the top of circular ring type circulator, the oil storage tank
Internal top is fixedly connected with the top of connecting rod, the interspersed connection in the bottom end of the connecting rod and the top of sleeve, the set
The bottom end of cylinder is fixedly connected with permeability plate, and the outside of the connecting rod and the outside of sleeve are arranged with spring, the spring
Top is fixedly connected with the top of oil storage tank, and the bottom end of the spring is fixedly connected with the bottom end of permeability plate, the permeability plate
Top offers several oil trickling holes, the inside of the oil storage tank and two sides for being located at connecting rod are equipped with oil storage sponge.
As a kind of optimal technical scheme of the utility model, the side of the nut is arranged with flange, the flange
Side annular offers several threaded holes.
As a kind of optimal technical scheme of the utility model, the bottom end of the permeability plate is fixedly connected with the sponge that oils.
As a kind of optimal technical scheme of the utility model, the two sides of the nut are mounted on sealing ring.
As a kind of optimal technical scheme of the utility model, the top of the oil filler point is interspersed to be connected with stopple, and institute
Stopple is stated to be made of rubber material.
As a kind of optimal technical scheme of the utility model, the both ends of screw rod are fixedly connected to installation part.
Compared with prior art, the utility model has the beneficial effects that a kind of the utility model lathe precise ball silk
Thick stick pair can reinforce the stability of ball-recirculation rolling by being equipped with the ring-like circulator of member and raceway, prevent ball in circulator
Place gets stuck, and improves stability when ball-screw secondary motion；Oil filler point, oil storage tank and the oil storage sponge being equipped with can be convenient for
Lubricating oil is stored, the bothersome laborious of addition lubricating oil is eliminated often；It the connecting rod that is equipped with, sleeve, spring, permeability plate and drains
Hole squeezes permeability plate to ball coating lubricating oil when can roll using ball, keep the lubricity of ball, prevent ball from rolling
It causes to wear, to improve the working efficiency and service life of ball screw assembly,.
Detailed description of the invention
Fig. 1 is the utility model positive structure schematic；
Fig. 2 is the partial structural diagram of the utility model；
Fig. 3 is the side structure schematic diagram of the utility model.
In figure: 1, screw rod；2, nut；3, circular ring type circulator；4, raceway；5, ball；6, flange；7, threaded hole；8, it infuses
Oilhole；9, oil storage tank；10, connecting rod；11, sleeve；12 springs；13, permeability plate；14, oil storage sponge；15, oil sponge；16,
Oil trickling hole；17, sealing ring.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-3 is please referred to, the utility model provides a kind of lathe precise ball screw pair, including screw rod 1, screw rod 1
Middle part be threaded with nut 2, the two sides inside nut 2 are fixedly connected to circular ring type circulator 3, the top inside nut 2
Portion and bottom offer raceway 4, and are rolled into the ball outlet of 4 both ends respectively at two circular ring type circulators 3, screw rod
Inside in 1 thread groove and positioned at nut 2 is equipped with several balls 5, and the side on 2 top of nut offers oil filler point 8, nut
2 inside and be located at circular ring type circulator 3 top offer oil storage tank 9, the top of oil storage tank 9 is connected to oil filler point 8, oil storage
The bottom end of slot 9 is connected to the top of circular ring type circulator 3, and the top inside oil storage tank 9 is fixedly connected with the top of connecting rod 10,
The interspersed connection in the bottom end of connecting rod 10 and the top of sleeve 11, the bottom end of sleeve 11 is fixedly connected with permeability plate 13, connecting rod 10
Outside and the outside of sleeve 11 be arranged with spring 12, the top of spring 12 is fixedly connected with the top of oil storage tank 9, spring 12
Bottom end be fixedly connected with the bottom end of permeability plate 13, the top of permeability plate 13 offers several oil trickling holes 16, oil storage tank 9 it is interior
Portion and be located at connecting rod 10 two sides be equipped with oil storage sponge 14.
Preferably, the side of nut 2 is arranged with flange 6, and the side annular of flange 6 offers several threaded holes 7, is convenient for
It is fixedly connected with the component of lathe, to drive the component on lathe mobile.
Preferably, the bottom end of permeability plate 13 is fixedly connected with the sponge 15 that oils, and prevents lubricating oil from dropping onto raceway circular ring type
In circulator 3, the uniformity to oil to ball 5 is improved.
Preferably, the two sides of nut 2 are mounted on sealing ring 17, prevent external dust from entering inside nut 2, influence ball
5 lubricity reduces the working efficiency of ball screw assembly,.
Preferably, the top of oil filler point 8 is interspersed is connected with stopple, and stopple is made of rubber material, prevents lubricating oil from letting out
Dew, while convenient for directly adding lubricating oil using syringe, do not need disassembly stopple.
Preferably, the both ends of screw rod 1 are fixedly connected to installation part, convenient for screw rod 1 to be mounted on lathe, improve ball
The convenience of lead screw pair installation.
When specifically used, a kind of lathe precise ball screw pair of the utility model, the both ends of screw rod 1 are mounted on lathe
Ball screw assembly, installation place, rotated by motor drives screw mandrel 1, screw rod 1 rotation drive ball 5 screw rod 1 screw thread
Cycle rotation in slot and circular ring type circulator 3 and raceway 4 drives nut 2 to move up in screw rod 1 by the cycle rotation of ball 5
It is dynamic, so that the instrument on lathe be driven to move left and right, when ball screw assembly, does not work, infused using syringe into oil filler point 8
Entering lubricating oil, lubricating oil enters in oil storage tank 9 along oil filler point 8, and it is absorbed and is stored by oil storage sponge 14, ball screw assembly, work
When making, whenever ball 5 is rolled to the bottom end of permeability plate 13, permeability plate 13 is squeezed, the upward sleeve 11 of permeability plate 13,
Sleeve 11 moves up compressed spring 12, to compress to oil storage sponge 14, the lubricating oil in oil storage sponge 14 is into over-voltage
Contracting outflow enters along the oil trickling hole 16 of permeability plate 13 and oils in sponge 15, oils to the surface of ball 5, to guarantee
It can once be oiled after one circulation of every rolling of ball 5, to guarantee the lubricity of ball 5, prevent ball 5 from when rolling
It now wears, improves the working efficiency and service life of ball screw assembly,.
In the description of the present invention, it should be understood that term " coaxial ", " bottom ", " one end ", " top ", " in
The orientation of the instructions such as portion ", " other end ", "upper", " side ", " top ", "inner", " front ", " center ", " both ends " or position are closed
System is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing the present invention and simplifying the description, rather than
The device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot
It is construed as a limitation of the present invention.
In addition, term " first ", " second ", " third ", " the 4th " are used for description purposes only, and should not be understood as instruction or
It implies relative importance or implicitly indicates the quantity of indicated technical characteristic, define " first ", " second ", " the as a result,
Three ", the feature of " the 4th " can explicitly or implicitly include at least one of the features.
In the present invention unless specifically defined or limited otherwise, term " installation ", " setting ", " connection ", " Gu
Calmly ", the terms such as " being screwed on " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；
It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, can also indirectly connected through an intermediary, it can be with
It is the interaction relationship of the connection or two elements inside two elements, unless otherwise restricted clearly, for this field
For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of lathe precise ball screw pair, including screw rod (1), are characterized in that, the middle part of the screw rod (1) is threadedly coupled
Have nut (2), the internal two sides of the nut (2) are fixedly connected to circular ring type circulator (3), nut (2) inside
Top and bottom offer raceway (4), and the both ends for being rolled into (4) are respectively at the ball of two circular ring type circulators (3)
The thread groove of outlet, the screw rod (1) is interior and is located at the inside of nut (2) equipped with several balls (5), the nut
(2) side on top offers oil filler point (8), the inside of the nut (2) and be located at circular ring type circulator (3) top open up
Have oil storage tank (9), the top of the oil storage tank (9) is connected to oil filler point (8), and the bottom end of the oil storage tank (9) is followed with circular ring type
The top of ring device (3) is connected to, and the internal top of the oil storage tank (9) is fixedly connected with the top of connecting rod (10), the connection
The interspersed connection in the bottom end of bar (10) and the top of sleeve (11), the bottom end of the sleeve (11) are fixedly connected with permeability plate (13),
The outside of the connecting rod (10) and the outside of sleeve (11) are arranged with spring (12), the top of the spring (12) and oil storage
The top of slot (9) is fixedly connected, and the bottom end of the spring (12) is fixedly connected with the bottom end of permeability plate (13), the permeability plate
(13) top offers several oil trickling holes (16), the inside of the oil storage tank (9) and the two sides for being located at connecting rod (10) are set
There are oil storage sponge (14).
2. a kind of lathe precise ball screw pair according to claim 1, it is characterised in that: the one of the nut (2)
Side is arranged with flange (6), and the side annular of the flange (6) offers several threaded holes (7).
3. a kind of lathe precise ball screw pair according to claim 1, it is characterised in that: the permeability plate (13)
Bottom end is fixedly connected with the sponge that oils (15).
4. a kind of lathe precise ball screw pair according to claim 1, it is characterised in that: the two of the nut (2)
Side is mounted on sealing ring (17).
5. a kind of lathe precise ball screw pair according to claim 1, it is characterised in that: the oil filler point (8)
Top is interspersed to be connected with stopple, and the stopple is made of rubber material.
6. a kind of lathe precise ball screw pair according to claim 1, it is characterised in that: the both ends of screw rod (1) are equal
It is fixedly connected with installation part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821203569.8U CN208578945U (en) | 2018-07-27 | 2018-07-27 | A kind of lathe precise ball screw pair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821203569.8U CN208578945U (en) | 2018-07-27 | 2018-07-27 | A kind of lathe precise ball screw pair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208578945U true CN208578945U (en) | 2019-03-05 |
Family
ID=65511446
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821203569.8U Expired - Fee Related CN208578945U (en) | 2018-07-27 | 2018-07-27 | A kind of lathe precise ball screw pair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208578945U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113894567A (en) * | 2021-10-25 | 2022-01-07 | 东莞市宝科精密机械有限公司 | High-precision gantry machining equipment |
| CN114161199A (en) * | 2021-12-23 | 2022-03-11 | 樟树市易正机械有限公司 | Roller screw pair for gantry numerical control machine tool |
-
2018
- 2018-07-27 CN CN201821203569.8U patent/CN208578945U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113894567A (en) * | 2021-10-25 | 2022-01-07 | 东莞市宝科精密机械有限公司 | High-precision gantry machining equipment |
| CN114161199A (en) * | 2021-12-23 | 2022-03-11 | 樟树市易正机械有限公司 | Roller screw pair for gantry numerical control machine tool |
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Legal Events
| 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: 20190305 Termination date: 20210727 |