CN217683104U - High-stability and high-reliability ball screw - Google Patents
High-stability and high-reliability ball screw Download PDFInfo
- Publication number
- CN217683104U CN217683104U CN202221366424.6U CN202221366424U CN217683104U CN 217683104 U CN217683104 U CN 217683104U CN 202221366424 U CN202221366424 U CN 202221366424U CN 217683104 U CN217683104 U CN 217683104U
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- ball
- wall
- guide
- slip table
- connecting plate
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 14
- 239000010959 steel Substances 0.000 claims abstract description 14
- 238000007789 sealing Methods 0.000 claims description 14
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 238000010030 laminating Methods 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 32
- 239000010687 lubricating oil Substances 0.000 description 10
- 230000033001 locomotion Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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Abstract
The utility model relates to a high reliable ball screw of high stability belongs to ball screw technical field, the on-line screen storage device comprises a base, base one side outer wall is fixed with the motor, and the output shaft fixedly connected with screw rod of motor, the outside both sides of screw rod are provided with first guide bar, screw rod outer wall cover is equipped with the slip table, and the inside steel ball mouth of having seted up of slip table, the inside direction mouth of having seted up of slip table, the screw rod is located steel ball mouth inner wall, first guide bar is located the direction mouth inner wall. The beneficial effects of the utility model are that, the fixed plate surface screw thread of slip table outer wall runs through threaded rod, and the connecting plate downstream that threaded rod accessible was rotatory to drive its lower extreme to make the bearing ball of its lower surface tightly laminate in the guide way on base surface, this makes the slip table of removal can further improve its self bearing capacity through bearing the ball, and the connecting plate of liftable formula can guarantee to bear the laminating tightness of ball and guide way, thereby guarantees bearing capacity.
Description
Technical Field
The utility model relates to a ball screw technical field specifically is a high stable high reliable ball screw.
Background
Ball screw is the most commonly used transmission element in tool machinery and precision machinery, its main function is to convert rotary motion into linear motion, or convert torque into axial repeated acting force, and has the characteristics of high precision, reversibility and high efficiency, and because of having very little frictional resistance, ball screw is widely used in various industrial equipment and precision instruments. The ball screw consists of a screw shaft, a bushing, balls and the like.
At present, a ball screw on the market generally depends on two guide rods to guide and support, so that the bearing performance of the ball screw is weaker, the stability of the moving process is poorer, the reliability of the ball screw is lower, and the ball screw with high stability and high reliability is provided for the above situation.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a highly stable highly reliable ball screw to it relies on two guide bars to lead to and supports usually to provide ball screw on the present market in the above-mentioned background art to solve, and this bearing performance that leads to ball screw is weaker, and the stability of removal process is relatively poor, makes ball screw's the lower problem of reliability.
The technical scheme of the utility model is that:
the base, base one side outer wall is fixed with the motor, and the output shaft fixedly connected with screw rod of motor, the outside both sides of screw rod are provided with first guide bar, screw rod outer wall cover is equipped with the slip table, and the inside steel ball mouth of having seted up of slip table, the inside direction mouth of having seted up of slip table, the screw rod is located steel ball mouth inner wall, first guide bar is located the direction mouth inner wall, slip table outer wall both sides are fixed with the fixed plate, and fixed plate surface middle part threaded connection has the threaded rod, the threaded rod lower extreme rotates and is connected with the connecting plate, fixed surface has two second guide bars, two on the connecting plate the second guide bar run through in the fixed plate surface, the ball chamber has been seted up to the connecting plate lower surface, and the inside bearing ball that is provided with of ball chamber, the guide way has been seted up to the base upper surface, it is located the guide way inside to bear the ball.
Furthermore, one side of the connecting plate, which is close to the sliding table, is provided with a sliding block, and the outer wall of the sliding table is provided with a sliding groove in sliding fit with the sliding block.
Furthermore, an oil injection port is formed in the upper end of the second guide rod, an oil cavity is formed in the second guide rod, and the oil cavity is communicated with the ball cavity.
Furthermore, the inner wall of the oil filling port is in threaded connection with a sealing plug, and a sealing ring is arranged between the sealing plug and the oil filling port.
Furthermore, branch oil cavities are formed in the fixing plate and the sliding table, and the branch oil cavities are communicated with the oil cavities, the guide port and the steel ball port.
Furthermore, the size of the outer opening of the bearing ball is matched with the size of the inner opening of the ball cavity.
The utility model discloses an improve and provide a high stable high reliable ball screw here, compare with prior art, have following improvement and advantage:
one is as follows: the utility model discloses, threaded rod is run through to the fixed plate surface screw thread of slip table outer wall, and the connecting plate that threaded rod accessible was rotatory to drive its lower extreme moves down to make the bearing ball of its lower surface tightly laminate in the guide way on base surface, this makes the slip table of removal can further improve its self bearing capacity through bearing the ball, and the connecting plate of liftable formula can guarantee to bear the laminating tightness of ball and guide way, thereby guarantees bearing capacity.
The second step is as follows: the utility model discloses, the oiling mouth of two guide bars upper ends can be used to add lubricating oil, and the inside oil pocket of lubricating oil accessible second guide bar flows in the ball intracavity, thereby lubricate its inside bearing ball, in order to reduce its rolling frictional force, guarantee ball screw's removal precision, and branch's oil pocket can make the lubricating oil circulation of oil intracavity to in guide mouth and the steel ball mouth, thereby improve and the lubricated degree between first guide bar and the screw rod, in order to reduce frictional force between the two, improve ball screw's precision.
Drawings
The invention is further explained below with reference to the figures and examples:
fig. 1 is a schematic view of the structure of the present invention;
FIG. 2 is a schematic view of a side view of the slide table of the present invention;
FIG. 3 is a schematic view of the structure of the sliding table on the shaft side;
fig. 4 is a schematic top view of the present invention.
Description of the reference numerals: 1. a base; 2. a motor; 3. a screw; 4. a first guide bar; 5. a sliding table; 6. a steel bead opening; 7. a guide port; 8. a fixing plate; 9. a threaded rod; 10. a connecting plate; 11. a second guide bar; 12. a sealing plug; 13. an oil chamber; 14. a ball chamber; 15. carrying the ball; 16. a guide groove; 17. and the branch oil cavity.
Detailed Description
The present invention will be described in detail with reference to fig. 1 to 4, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a high-stability and high-reliability ball screw, as shown in figure 1-figure 4, which comprises a base 1, wherein a motor 2 is fixed on the outer wall of one side of the base 1, a screw 3 is fixedly connected with an output shaft of the motor 2, first guide rods 4 are arranged on two sides of the outer part of the screw 3, a sliding table 5 is sleeved on the outer wall of the screw 3, a steel ball port 6 is arranged inside the sliding table 5, a guide port 7 is arranged inside the sliding table 5, the screw 3 is arranged on the inner wall of the steel ball port 6, the first guide rods 4 are arranged on the inner wall of the guide port 7, fixed plates 8 are fixed on two sides of the outer wall of the sliding table 5, a threaded rod 9 is connected with the middle part of the surface of the fixed plate 8 through threads, the lower end of the threaded rod 9 is rotatably connected with a connecting plate 10, two second guide rods 11 are fixed on the upper surface of the connecting plate 10, two second guide rods 11 penetrate through the surface of the fixed plate 8, a ball cavity 14 is arranged on the lower surface of the connecting plate 10, and a bearing ball 15 is arranged inside the ball cavity 14, the upper surface of the base 1 is provided with a guide groove 16, the bearing ball 15 is positioned in the guide groove 16, the arranged motor 2 can drive the screw rod 3 to rotate, so that the sliding table 5 sleeved on the outer wall of the sliding table 5 slides along the first guide rod 4, the threaded rod 9 penetrates through the surface thread of the fixed plate 8 on the outer wall of the sliding table 5, the threaded rod 9 can drive the connecting plate 10 at the lower end of the threaded rod to move downwards through rotation, so that the bearing ball 15 at the lower surface of the threaded rod tightly fits in the guide groove 16 on the surface of the base 1, the movable sliding table 5 can further improve the bearing performance of the movable sliding table 5 through the bearing ball 15, the bearing ball 15 can slide along the guide groove 16 along with the movement of the sliding table 5, so as to reduce the sliding friction force of the sliding table 5, and the liftable connecting plate 10 can ensure the tightness of the fit of the bearing ball 15 and the guide groove 16, thereby ensuring the bearing performance, and the second guide bar 11 provided on the surface of the connecting plate 10 can guide the lifting process of the connecting plate 10 to ensure the lifting stability thereof.
One side that connecting plate 10 is close to slip table 5 is provided with the slider, and 5 outer walls of slip table offer with slider sliding fit's spout, connecting plate 10 is slided from top to bottom at the in-process of going up and down accessible slider and the spout of 5 outer walls of slip table to further improve its stability of going up and down.
An oil filling port is formed in the upper end of the second guide rod 11, an oil cavity 13 is formed in the second guide rod 11, the oil cavity 13 is communicated with the ball cavity 14, the oil filling port in the upper end of the second guide rod 11 can be used for adding lubricating oil, and the lubricating oil can flow into the ball cavity 14 through the oil cavity 13 in the second guide rod 11 so as to lubricate a bearing ball 15 in the second guide rod, so that rolling friction force of the bearing ball is reduced, and moving precision of the ball screw is guaranteed.
The inner wall of the oil filling port is in threaded connection with a sealing plug 12, a sealing ring is arranged between the sealing plug 12 and the oil filling port, the sealing plug 12 can be screwed into the oil filling port, so that the oil filling port is sealed, the sealing ring on the outer wall of the sealing plug 12 can be used for improving the sealing performance of the oil filling port, and the leakage of lubricating oil is prevented.
A branch oil cavity 17 is formed in the fixed plate 8 and the sliding table 5, the branch oil cavity 17 is communicated with the oil cavity 13, the guide opening 7 and the steel ball opening 6, and the branch oil cavity 17 enables lubricating oil in the oil cavity 13 to flow into the guide opening 7 and the steel ball opening 6, so that the lubricating degree between the first guide rod 4 and the screw rod 3 is improved, the friction force between the first guide rod 4 and the screw rod is reduced, and the precision of the ball screw is improved.
The size of the outer opening of the bearing ball 15 is matched with the size of the inner opening of the ball cavity 14, no gap is reserved between the bearing ball 15 and the ball cavity 14, abrasion of the bearing ball 15 and the ball cavity 14 due to the existence of the gap is prevented from being aggravated, the service life of the ball screw is effectively guaranteed, and the structure is more reliable.
The working principle is as follows: firstly, the motor 2 can drive the screw rod 3 to rotate, so that the sliding table 5 sleeved on the outer wall of the sliding table 5 slides along the first guide rod 4, the threaded rod 9 penetrates through the surface thread of the fixing plate 8 on the outer wall of the sliding table 5, the threaded rod 9 can drive the connecting plate 10 at the lower end of the threaded rod 9 to move downwards through rotation, so that the bearing ball 15 at the lower surface of the sliding table is tightly attached to the guide groove 16 on the surface of the base 1, the moving sliding table 5 can further improve the bearing performance of the sliding table by the bearing ball 15, then the bearing ball 15 can slide along the guide groove 16 along with the movement of the sliding table 5, so as to reduce the sliding friction force of the sliding table 5, the oil filling port at the upper end of the second guide rod 11 can be used for adding lubricating oil, the lubricating oil can flow into the ball cavity 14 through the oil cavity 13 inside the second guide rod 11, so as to lubricate the bearing ball 15 inside the sliding ball cavity, so as to reduce the rolling friction force of the sliding table, the moving precision of the ball screw rod is ensured, and finally, the branch oil cavity 17 can enable the lubricating oil in the oil cavity 13 to flow into the guide port 7 and the ball port 6, so as to improve the degree between the first guide rod 4 and the screw rod 3, and the connecting plate, and the bearing performance of the lifting type connecting plate 10, so as to ensure the tight attachment of the bearing groove 16.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (6)
1. The utility model provides a high reliable ball screw of high stability which characterized in that: including base (1), base (1) one side outer wall is fixed with motor (2), and output shaft fixedly connected with screw rod (3) of motor (2), screw rod (3) outside both sides are provided with first guide bar (4), screw rod (3) outer wall cover is equipped with slip table (5), and slip table (5) inside has seted up steel ball mouth (6), slip table (5) inside has seted up guide port (7), screw rod (3) are located steel ball mouth (6) inner wall, first guide bar (4) are located guide port (7) inner wall, slip table (5) outer wall both sides are fixed with fixed plate (8), and fixed plate (8) surface middle part threaded connection has threaded rod (9), threaded rod (9) lower extreme rotates and is connected with connecting plate (10), connecting plate (10) upper surface fixed has two second guide bar (11), two second guide bar (11) run through in fixed plate (8) surface, ball chamber (14) have been seted up to connecting plate (10) lower surface, and bear ball chamber (14) inside and be provided with ball (15), base (1) upper surface fixed has seted up guide way (16), last guide groove (16) are located inside guide way (16).
2. The high-stability high-reliability ball screw according to claim 1, wherein: one side of the connecting plate (10) close to the sliding table (5) is provided with a sliding block, and the outer wall of the sliding table (5) is provided with a sliding groove in sliding fit with the sliding block.
3. The high-stability high-reliability ball screw according to claim 1, wherein: an oil injection port is formed in the upper end of the second guide rod (11), an oil cavity (13) is formed in the second guide rod (11), and the oil cavity (13) is communicated with the ball cavity (14).
4. The high-stability high-reliability ball screw according to claim 3, wherein: the inner wall of the oil filling port is in threaded connection with a sealing plug (12), and a sealing ring is arranged between the sealing plug (12) and the oil filling port.
5. The high-stability high-reliability ball screw according to claim 1, wherein: a branch oil cavity (17) is formed in the fixing plate (8) and the sliding table (5), and the branch oil cavity (17) is communicated with the oil cavity (13), the guide port (7) and the steel ball port (6).
6. The high-stability high-reliability ball screw according to claim 1, wherein: the size of the outer opening of the bearing ball (15) is matched with the size of the inner opening of the ball cavity (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221366424.6U CN217683104U (en) | 2022-06-01 | 2022-06-01 | High-stability and high-reliability ball screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221366424.6U CN217683104U (en) | 2022-06-01 | 2022-06-01 | High-stability and high-reliability ball screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217683104U true CN217683104U (en) | 2022-10-28 |
Family
ID=83705534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221366424.6U Expired - Fee Related CN217683104U (en) | 2022-06-01 | 2022-06-01 | High-stability and high-reliability ball screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217683104U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117889352A (en) * | 2024-01-30 | 2024-04-16 | 南通光合生物技术股份有限公司 | Leak-proof pressure vessel with temperature measuring structure |
-
2022
- 2022-06-01 CN CN202221366424.6U patent/CN217683104U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117889352A (en) * | 2024-01-30 | 2024-04-16 | 南通光合生物技术股份有限公司 | Leak-proof pressure vessel with temperature measuring structure |
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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: 20221028 |