CN210799932U - High-speed stable transmission ball screw - Google Patents
High-speed stable transmission ball screw Download PDFInfo
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- CN210799932U CN210799932U CN201921098052.1U CN201921098052U CN210799932U CN 210799932 U CN210799932 U CN 210799932U CN 201921098052 U CN201921098052 U CN 201921098052U CN 210799932 U CN210799932 U CN 210799932U
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Abstract
The utility model relates to the technical field of automatic equipment, in particular to a high-speed stable transmission ball screw, which comprises a linear screw and a thread bush for transmitting the linear screw, wherein the outer diameter of the linear screw is provided with a thread groove, the inner diameter of the thread bush is provided with a ball groove matched with the thread groove, the ball groove is movably filled with steel balls, and an oil storage tank is arranged in the thread groove; the inner diameter of the linear screw is provided with a through hole, the through hole is provided with an oil guide hole communicated to the oil storage tank, and the diameter of the through hole is 1.0-4.0 mm; the utility model provides a current not enough problem to the linear screw rod lubrication, adopted oil storage and inside to lead oily structure, increase the lubrication of steel ball, it is splendid to result of use in the high-speed stable transmission.
Description
Technical Field
The utility model relates to an automatic equipment technical field especially relates to a high-speed stable transmission ball screw.
Background
The machine (English name: machine) is a generic name of a machine and a mechanism. The machine is a tool device which can help people to reduce work difficulty or save labor, and articles such as chopsticks, brooms and tweezers can be called as the machine, and the machines are simple machines. The complex machine is composed of two or more simple machines. These relatively complex machines are often called machines. From a structural and kinematic point of view, the mechanisms and machines are not distinct and are broadly called machines.
The ball screw is the most commonly used transmission element in tool machinery and precision machinery, and has the main function of converting rotary motion into linear motion or converting torque into axial repeated acting force, and has the characteristics of high precision, reversibility and high efficiency. Ball screws are widely used in various industrial equipments and precision instruments due to their small frictional resistance. The ball screw consists of a screw shaft, a bushing, balls and the like. Its function is to convert the rotary motion into a linear motion, which is a further extension and development of the acme screw, the important meaning of this development is to change the bearing from sliding motion to rolling motion.
The ball screw used on the existing automation equipment still has some defects, the Chinese patent application No. CN201820660383.9 discloses a high-efficiency wear-resistant ball screw, which still has insufficient lubrication in long-time use, resulting in unstable transmission, and particularly in high-speed transmission, the lubrication of the structure needs to be increased to ensure the stability of the transmission.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a solve the lubricated not enough problem of current alignment screw rod, adopted oil storage and inside to lead oily structure, increase the lubrication of steel ball, to the excellent high-speed stable transmission ball screw of result of use among the high-speed stable transmission.
The utility model adopts the technical proposal that: a high-speed stable transmission ball screw comprises a linear screw and a thread sleeve which is transmitted to the linear screw, wherein the outer diameter of the linear screw is provided with a thread groove, the inner diameter of the thread sleeve is provided with a ball groove matched with the thread groove, steel balls are movably filled in the ball groove, and an oil storage tank is arranged in the thread groove; the inner diameter of the linear screw is provided with a through hole, the through hole is provided with an oil guide hole communicated to the oil storage tank, and the diameter of the through hole is 1.0-4.0 mm.
The further improvement of the scheme is that a first arc edge is arranged at the position, close to the edge of the oil storage tank, of the thread groove, and a second arc edge is arranged at the edge of the thread groove.
The further improvement of the scheme is that the thread groove and the oil storage groove are both plated with the aluminum-nitrogen-titanium coating.
The further improvement to the above scheme is that at least two sets of grooves are formed in the outer diameter of the steel ball, a containing cavity is arranged in the hollow inner core of the steel ball, and an oil guide groove is formed between each groove and the containing cavity and communicated with each other.
The further improvement of the scheme is that the outer surface of the steel ball and the groove are both provided with a nitrogen-aluminum-titanium coating.
The utility model has the advantages that:
the linear screw is used for linear transmission guiding, the threaded sleeve is connected, and the linear screw is sleeved with the threaded sleeve to realize linear transmission, so that the transmission effect is good, and the stability and the reliability are strong; the outer diameter of the linear screw is provided with a thread groove, and the thread groove is matched with the ball groove so that the steel ball can roll in the transmission process, and the transmission effect is good; the ball grooves accommodate steel balls for transmission, and particularly in the process of high-speed transmission, the transmission stability is further improved; an oil storage tank is arranged in the thread groove, so that lubricating oil can be stored under the action of the oil storage tank, and the filling of solid lubricating oil is ensured in the transmission process, thereby further ensuring the stability of transmission; the inner diameter of the linear screw is provided with a through hole, the through hole is provided with an oil guide hole and communicated with the oil storage tank, and particularly, in use, solid lubricating oil can be added into the through hole, and can enter the oil storage tank through the oil guide hole under the action of pressure to lubricate steel ball transmission, so that the transmission stability is enhanced; the diameter range of the through hole is 1.0 mm-4.0 mm, the diameter of the through hole is small, the through hole can work stably in order to protect the linear screw, the situation of deformation caused by the large opening is prevented, the through hole is preferably 2.5mm in use generally, the processing and forming are convenient, the structure is reliable, and the through hole is stable and practical.
The utility model discloses in, solved the lubricated not enough problem of current alignment screw rod, adopted oil storage and inside to lead oily structure, increased the lubrication of steel ball, it is splendid to result of use in the high-speed stable transmission.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional view of the thread groove of the present invention;
fig. 3 is a schematic structural diagram of the steel ball of the present invention.
Description of reference numerals: the ball screw 100, the linear screw 110, the thread groove 111, the first arc edge 111a, the second arc edge 111b, the oil storage groove 112, the through hole 113, the oil guide hole 114, the thread bush 120, the ball groove 121, the steel ball 130, the groove 131, the accommodating cavity 132, and the oil guide groove 133.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1 to 3, a high-speed stable transmission ball screw 100 includes a linear screw 110 and a threaded sleeve 120 for transmitting power to the linear screw 110, wherein a threaded groove 111 is formed in an outer diameter of the linear screw 110, a ball groove 121 matched with the threaded groove 111 is formed in an inner diameter of the threaded sleeve 120, a steel ball 130 is movably filled in the ball groove 121, and an oil storage tank 112 is formed in the threaded groove 111; the inner diameter of the linear screw 110 is provided with a through hole 113, the through hole 113 is provided with an oil guide hole 114 communicated to the oil storage tank 112, and the diameter of the through hole 113 is 1.0 mm-4.0 mm.
The inside of the thread groove 111 and the inside of the oil storage groove 112 are both plated with a nitrogen aluminum titanium coating, and the further improvement is that the outside surface of the steel ball 130 and the inside of the groove 131 are both provided with a nitrogen aluminum titanium coating, and the nitrogen aluminum titanium coating is used as a novel cutter coating material, not only has the hardness and the wear resistance of TiN, but also plays the roles of oxidation resistance and diffusion wear resistance in the circulating transmission friction process.
At least two sets of recesses 131 have been seted up to steel ball 130 external diameter, steel ball 130 inner core cavity is equipped with and holds chamber 132, recess 131 with hold and be equipped with between the chamber 132 and lead oil groove 133 intercommunication, set up recess 131 and can guarantee to reduce coefficient of friction at the transmission in-process, set up simultaneously and hold that chamber 132 is inside can hold filling lubricating oil, can further guarantee lubricated effect to guarantee the stability of transmission in-process.
The linear screw 110 is used for linear transmission guiding, the threaded sleeve 120 is connected, and the linear screw 110 is sleeved with the threaded sleeve 120 to realize linear transmission, so that the transmission effect is good, and the stability and the reliability are strong; the outer diameter of the linear screw 110 is provided with a thread groove 111, and the steel ball 130 can roll in the transmission process by the action of the thread groove 111 and the ball groove 121, so that the transmission effect is good; the ball groove 121 is used for accommodating the steel ball 130 for transmission, and the transmission stability is further improved particularly during high-speed transmission; an oil storage tank 112 is arranged in the thread groove 111, lubricating oil is stored under the action of the oil storage tank 112, and solid lubricating oil is filled in the transmission process, so that the transmission stability is further ensured; the inner diameter of the linear screw 110 is provided with a through hole 113, the through hole 113 is provided with an oil guide hole 114 and is communicated with the oil storage tank 112, and in particular, in use, solid lubricating oil can be added into the through hole 113, and under the action of pressure, the solid lubricating oil can enter the oil storage tank 112 through the oil guide hole 114 to lubricate the transmission of the steel ball 130, so that the transmission stability is enhanced; the diameter range of the through hole 113 is 1.0 mm-4.0 mm, the diameter of the through hole is small, the through hole can work stably in order to protect the linear screw 110, the situation of deformation caused by the large opening is prevented, the through hole is preferably 2.5mm in use generally, the processing and forming are convenient, the structure is reliable, and the through hole is stable and practical.
The utility model discloses in, solved the lubricated not enough problem of current alignment screw rod 110, adopted oil storage and inside to lead oily structure, increased the lubrication of steel ball 130, it is splendid to result of use in the high-speed stable transmission.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (5)
1. The utility model provides a high-speed steady transmission ball screw which characterized in that: the screw thread structure comprises a linear screw and a thread sleeve which is driven to the linear screw, wherein a thread groove is formed in the outer diameter of the linear screw, a ball groove matched with the thread groove is formed in the inner diameter of the thread sleeve, steel balls are movably filled in the ball groove, and an oil storage tank is formed in the thread groove; the inner diameter of the linear screw is provided with a through hole, the through hole is provided with an oil guide hole communicated to the oil storage tank, and the diameter of the through hole is 1.0-4.0 mm.
2. The high speed constant drive ball screw of claim 1, wherein: a first arc edge is formed at the position, close to the edge of the oil storage tank, of the thread groove, and a second arc edge is formed at the edge of the thread groove.
3. The high speed constant drive ball screw of claim 2, wherein: and the aluminum-nitrogen-titanium coating is plated in the thread groove and the oil storage groove.
4. The high speed constant drive ball screw of claim 3, wherein: at least two sets of symmetrical grooves are formed in the outer diameter of the steel ball, an accommodating cavity is formed in the inner core of the steel ball in a hollow mode, and an oil guide groove is formed between each groove and the corresponding accommodating cavity and communicated with the corresponding accommodating cavity.
5. The high speed constant drive ball screw of claim 4, wherein: and the outer surface of the steel ball and the groove are both provided with a nitrogen-aluminum-titanium coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921098052.1U CN210799932U (en) | 2019-07-11 | 2019-07-11 | High-speed stable transmission ball screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921098052.1U CN210799932U (en) | 2019-07-11 | 2019-07-11 | High-speed stable transmission ball screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210799932U true CN210799932U (en) | 2020-06-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921098052.1U Active CN210799932U (en) | 2019-07-11 | 2019-07-11 | High-speed stable transmission ball screw |
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| Country | Link |
|---|---|
| CN (1) | CN210799932U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115750711A (en) * | 2022-11-28 | 2023-03-07 | 东莞市科士威传动科技有限公司 | High-precision ball nut and manufacturing process thereof |
-
2019
- 2019-07-11 CN CN201921098052.1U patent/CN210799932U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115750711A (en) * | 2022-11-28 | 2023-03-07 | 东莞市科士威传动科技有限公司 | High-precision ball nut and manufacturing process thereof |
| CN115750711B (en) * | 2022-11-28 | 2023-05-30 | 东莞市科士威传动科技有限公司 | High-precision ball nut and manufacturing process thereof |
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