CN220850617U - Mute type precise ball screw - Google Patents
Mute type precise ball screw Download PDFInfo
- Publication number
- CN220850617U CN220850617U CN202322223881.0U CN202322223881U CN220850617U CN 220850617 U CN220850617 U CN 220850617U CN 202322223881 U CN202322223881 U CN 202322223881U CN 220850617 U CN220850617 U CN 220850617U
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- China
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- fixedly connected
- oil
- ball screw
- main body
- nut main
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- 238000009434 installation Methods 0.000 claims abstract description 16
- 239000003921 oil Substances 0.000 description 56
- 230000033001 locomotion Effects 0.000 description 14
- 239000010687 lubricating oil Substances 0.000 description 12
- 230000001050 lubricating effect Effects 0.000 description 11
- 238000005299 abrasion Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 230000009471 action Effects 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 230000006872 improvement Effects 0.000 description 3
- 230000001934 delay Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model particularly relates to a mute precision ball screw which comprises two groups of fixed seats, wherein a limiting rod is fixedly connected between the tops of one sides, which are mutually close, of the two groups of fixed seats, a screw rod main body is rotationally connected between the bottoms of one sides, which are mutually close, of the two groups of fixed seats, a nut main body is connected on the screw rod main body in a threaded manner, a limiting plate is symmetrically and fixedly connected to the tops of the nut main bodies, an installation block is fixedly connected to the tops of the nut main bodies, an oil storage bin is arranged in an inner cavity of the installation block, an oil outlet slot hole communicated with the nut main body is formed in the bottom of the oil storage bin, an annular plate is fixedly connected to the top of the inner edge surface of the oil outlet slot hole, a sliding assembly matched with a groove is slidingly arranged at the tops of the installation block, and a baffle is fixedly connected to the bottoms of the sliding assembly.
Description
Technical Field
The utility model relates to the technical field of ball screws, in particular to a mute precise ball screw.
Background
The ball screw is a transmission element most commonly used on tool machinery and precision machinery, and has the main functions of converting rotary motion into linear motion or converting torque into axial repeated acting force, and meanwhile, the ball screw has the characteristics of high precision, reversibility and high efficiency. In the prior art, after the ball screw is used for a period of time, certain abrasion conditions can occur to parts inside the ball screw, noise can occur to abrasion parts in the subsequent use process, and therefore silence of the ball screw in use is reduced.
Disclosure of utility model
The utility model aims to provide a mute precision ball screw for solving the problems in the prior art.
The technical scheme of the utility model is as follows: the utility model provides a mute precision ball screw, includes two sets of fixing bases, two sets of fixedly connected with gag lever post between the one side top that the fixing bases are close to each other, a plurality of groups of recesses have been seted up to gag lever post bottom equidistant, two sets of rotate between one side bottom that the fixing bases are close to each other and be connected with the lead screw main part, threaded connection has the nut main part on the lead screw main part, nut main part top symmetry fixedly connected with limiting plate, and limiting plate sliding arrangement is on the gag lever post, nut main part top fixedly connected with installation piece, set up the oil storage storehouse in the installation piece inner chamber, the oil outlet slotted hole that is linked together with the nut main part has been seted up to oil storage storehouse bottom, oil outlet slotted hole inner edge face top fixedly connected with annular plate, installation piece top slip is provided with the slip subassembly that mutually support with the recess, and in the slip subassembly bottom extends to oil outlet slotted hole inner chamber, slip subassembly bottom fixedly connected with baffle.
Based on the technical characteristics: when the nut is used, the screw rod main body is rotated to drive the nut main body to do linear motion on the outer side face of the screw rod main body, wherein the arranged sliding component follows the nut main body to do linear motion, when the top of the sliding component slides from a group of grooves to the directions of adjacent grooves, the sliding component can move downwards for a certain distance and then move upwards for a certain distance, in the process of the downward movement of the sliding component, the arranged sliding component can drive the baffle to move downwards, lubricating oil in the oil storage bin can enter the oil outlet slot hole through a gap between the baffle and the annular plate, then the lubricating oil can enter the inner cavity of the nut main body through the oil outlet slot hole, so that the lubricating operation is performed on parts in the inner cavity of the nut main body, the abrasion of the parts is slowed down, after the sliding component moves upwards, the arranged baffle is abutted against the annular plate, the oil in the oil storage bin is isolated to the top of the baffle, and the device drives the baffle to move downwards intermittently, so that the parts in the inner cavity of the nut main body are lubricated, and the abrasion of the parts is slowed down to a certain extent.
Preferably, the sliding component comprises a sliding rod arranged at the top of the installation block in a sliding manner, the top of the sliding rod is a hemispherical surface, a circular plate is fixedly connected to the rod body of the sliding rod, a spring is wound on the rod body of the sliding rod and connected between the bottom of the circular plate and the top of the installation block, and an extension rod is fixedly connected to the bottom of the sliding rod.
Based on the technical characteristics: when the screw rod is used, the screw rod main body can be rotated to drive the nut main body to do linear motion on the outer side face of the screw rod main body, wherein the arranged slide rod follows the nut main body to do linear motion, when the top of the slide rod slides from a group of grooves to the directions of adjacent grooves, the slide rod can move downwards for a certain distance, then move upwards for a certain distance under the action of spring force, in the process of moving the slide rod downwards, the arranged slide rod can drive the extension rod and the baffle to move downwards, lubricating oil in the oil storage bin can enter the oil outlet slot through a gap between the baffle and the annular plate, and then the lubricating oil can enter the inner cavity of the nut main body through the oil outlet slot, so that the lubricating operation is performed on parts in the inner cavity of the nut main body, and the abrasion of the parts is slowed down.
Preferably, the aperture of the oil outlet slot hole is sequentially reduced from top to bottom.
Based on the technical characteristics: the action delays the downward dropping speed of the lubricating liquid in the oil outlet slot hole, and increases the service life of the lubricating liquid in the oil storage bin.
Preferably, the aperture of the through hole in the center of the annular plate is smaller than the diameter of the baffle plate.
Based on the technical characteristics: the sealing performance is better when the baffle is abutted with the annular plate.
Preferably, the top of the mounting block is communicated with an oil filling pipeline, and the oil filling pipeline extends downwards into the inner cavity of the oil storage bin.
Based on the technical characteristics: lubricating oil is added into the oil storage bin through an oil adding pipeline.
Preferably, the top of the oil filling pipe is connected with a top cover in a threaded manner.
Based on the technical characteristics: the top cap that sets up is isolated oil storage storehouse with outside.
The utility model provides a mute precision ball screw through improvement, and compared with the prior art, the mute precision ball screw has the following improvements and advantages:
when the nut is used, the screw rod main body is rotated to drive the nut main body to do linear motion on the outer side face of the screw rod main body, wherein the arranged sliding component follows the nut main body to do linear motion, when the top of the sliding component slides from a group of grooves to the directions of adjacent grooves, the sliding component can move downwards for a certain distance and then move upwards for a certain distance, in the process of the downward movement of the sliding component, the arranged sliding component can drive the baffle to move downwards, lubricating oil in the oil storage bin can enter the oil outlet slot hole through a gap between the baffle and the annular plate, then the lubricating oil can enter the inner cavity of the nut main body through the oil outlet slot hole, so that the lubricating operation is performed on parts in the inner cavity of the nut main body, the abrasion of the parts is slowed down, after the sliding component moves upwards, the arranged baffle is abutted against the annular plate, the oil in the oil storage bin is isolated to the top of the baffle, and the device drives the baffle to move downwards intermittently, so that the parts in the inner cavity of the nut main body are lubricated, and the abrasion of the parts is slowed down to a certain extent.
Drawings
The utility model is further explained below with reference to the drawings and examples:
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic diagram of a groove structure of the present utility model;
FIG. 3 is an enlarged schematic view of the structure of portion A of FIG. 2 in accordance with the present utility model;
FIG. 4 is a schematic view of the internal cavity structure of the mounting block of the present utility model;
fig. 5 is an enlarged schematic view of the B-section structure of fig. 4 in the present utility model.
Reference numerals illustrate:
1. A fixing seat; 2. a limit rod; 3. a groove; 4. a screw main body; 5. a nut body; 6. a limiting plate; 7. a mounting block; 8. an oil storage bin; 9. an oil outlet slot; 10. an annular plate; 11. a sliding assembly; 111. a slide bar; 112. a circular plate; 113. a spring; 114. an extension rod; 12. a baffle; 13. an oil feeding pipeline; 14. and a top cover.
Detailed Description
The following detailed description of the present utility model clearly and fully describes the technical solutions of the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model provides a mute precise ball screw through improvement, which comprises the following technical scheme:
As shown in fig. 1-5, the mute precision ball screw comprises two groups of fixing seats 1, a limiting rod 2 is fixedly connected between the tops of one sides, which are mutually close, of the two groups of fixing seats 1, a plurality of groups of grooves 3 are formed in the bottoms of the limiting rod 2 at equal intervals, a screw rod main body 4 is rotatably connected between the bottoms of one sides, which are mutually close, of the two groups of fixing seats 1, a nut main body 5 is connected to the screw rod main body 4 through threads, a limiting plate 6 is symmetrically and fixedly connected to the tops of the nut main body 5, the limiting plate 6 is slidably arranged on the limiting rod 2, an installation block 7 is fixedly connected to the tops of the nut main body 5, an oil storage bin 8 is formed in an inner cavity of the installation block 7, an oil outlet slot 9 communicated with the nut main body 5 is formed in the bottom of the oil storage bin 8, an annular plate 10 is fixedly connected to the tops of inner edge surfaces of the oil outlet slot 9, a sliding assembly 11 matched with the grooves 3 is slidably arranged at the tops of the installation block 7, the bottoms of the sliding assembly 11 extend into the inner cavity of the oil outlet slot 9, and a baffle 12 is fixedly connected to the bottoms of the sliding assembly 11.
Further, the sliding assembly 11 comprises a sliding rod 111 arranged at the top of the mounting block 7 in a sliding manner, the top of the sliding rod 111 is a hemispherical surface, a circular plate 112 is fixedly connected to the rod body of the sliding rod 111, a spring 113 is wound on the rod body of the sliding rod 111, the spring 113 is connected between the bottom of the circular plate 112 and the top of the mounting block 7, and an extension rod 114 is fixedly connected to the bottom of the sliding rod 111. When the nut is used, the screw rod main body 4 can drive the nut main body 5 to do linear motion on the outer side face of the screw rod main body 4, wherein the arranged slide rod 111 follows the nut main body 5 to do linear motion, when the top of the slide rod 111 slides from one group of grooves 3 to the adjacent grooves 3, the slide rod 111 can move downwards for a certain distance firstly, then move upwards for a certain distance under the action of the elastic force of the spring 113, in the downward moving process of the slide rod 111, the arranged slide rod 111 can drive the extension rod 114 and the baffle 12 to move downwards, lubricating oil in the oil storage bin 8 can enter the oil outlet slot hole 9 through a gap between the baffle 12 and the annular plate 10, then the lubricating oil can enter the inner cavity of the nut main body 5 through the oil outlet slot hole 9, so that the lubricating operation is carried out on parts in the inner cavity of the nut main body 5, the abrasion of the parts is slowed down, after the slide rod 111 moves upwards, the arranged baffle 12 is abutted against the annular plate 10, the oil in the oil storage bin 8 is isolated to the top of the baffle 12, and the lubricating operation is carried out on the parts in the inner cavity of the nut main body 5 by the intermittent mode through the slide rod 111 when the device is used.
Wherein, the aperture of the through hole in the center of the annular plate 10 is smaller than the diameter of the baffle plate 12, and the sealing performance is better when the baffle plate 12 is abutted with the annular plate 10. The aperture of the oil outlet slot hole 9 is sequentially reduced from top to bottom, which delays the downward dropping speed of the lubricating liquid in the oil outlet slot hole 9 and increases the using time of the lubricating liquid in the oil storage bin 8.
In addition, the top of the mounting block 7 is communicated with an oil filling pipeline 13, and the oil filling pipeline 13 extends downwards into the inner cavity of the oil storage bin 8, and lubricating oil is added into the oil storage bin 8 through the oil filling pipeline 13. The top of the oil feeding pipeline 13 is connected with a top cover 14 in a threaded manner, and the top cover 14 isolates the oil storage bin 8 from the outside.
Working principle: when the nut is used, the screw rod main body 4 can drive the nut main body 5 to do linear motion on the outer side face of the screw rod main body 4, wherein the arranged slide rod 111 follows the nut main body 5 to do linear motion, when the top of the slide rod 111 slides from one group of grooves 3 to the adjacent grooves 3, the slide rod 111 can move downwards for a certain distance firstly, then move upwards for a certain distance under the action of the elastic force of the spring 113, in the downward moving process of the slide rod 111, the arranged slide rod 111 can drive the extension rod 114 and the baffle 12 to move downwards, lubricating oil in the oil storage bin 8 can enter the oil outlet slot hole 9 through a gap between the baffle 12 and the annular plate 10, then the lubricating oil can enter the inner cavity of the nut main body 5 through the oil outlet slot hole 9, so that the lubricating operation is carried out on parts in the inner cavity of the nut main body 5, the abrasion of the parts is slowed down, after the slide rod 111 moves upwards, the arranged baffle 12 is abutted against the annular plate 10, the oil in the oil storage bin 8 is isolated to the top of the baffle 12, and the lubricating operation is carried out on the parts in the inner cavity of the nut main body 5 by the intermittent mode through the slide rod 111 when the device is used.
The previous description is provided to enable any person skilled in the art to make or use the present utility model. 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 utility model. Thus, the present utility model 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. Mute type precision ball screw, including two sets of fixing bases (1), its characterized in that: two sets of fixedly connected with gag lever post (2) between one side top that fixing base (1) are close to each other, a plurality of groups of recess (3) have been seted up to gag lever post (2) bottom equidistant, two sets of rotationally connected with lead screw main part (4) between one side bottom that fixing base (1) are close to each other, threaded connection has nut main part (5) on lead screw main part (4), nut main part (5) top symmetry fixedly connected with limiting plate (6), and limiting plate (6) slip sets up on gag lever post (2), nut main part (5) top fixedly connected with installation piece (7), oil storage bin (8) have been seted up in installation piece (7) inner chamber, oil storage bin (8) bottom has been seted up and is linked together with nut main part (5) play oil slotted hole (9), play oil slotted hole (9) inner edge face top fixedly connected with annular plate (10), installation piece (7) top slip is provided with the slip subassembly (11) that mutually support with recess (3), and slip subassembly (11) bottom extends to in oil storage bin (9) inner chamber, bottom fixedly connected with baffle (12).
2. The silent precision ball screw as claimed in claim 1, wherein: the sliding assembly (11) comprises a sliding rod (111) arranged at the top of the installation block (7) in a sliding manner, the top of the sliding rod (111) is hemispherical, a circular plate (112) is fixedly connected to the rod body of the sliding rod (111), a spring (113) is wound on the rod body of the sliding rod (111), the spring (113) is connected between the bottom of the circular plate (112) and the top of the installation block (7), and an extension rod (114) is fixedly connected to the bottom of the sliding rod (111).
3. The silent precision ball screw as claimed in claim 1, wherein: the aperture of the oil outlet slot hole (9) is sequentially reduced from top to bottom.
4. The silent precision ball screw as claimed in claim 1, wherein: the aperture of the through hole in the center of the annular plate (10) is smaller than the diameter of the baffle plate (12).
5. The silent precision ball screw as claimed in claim 1, wherein: the top of the mounting block (7) is communicated with an oil filling pipeline (13), and the oil filling pipeline (13) extends downwards into the inner cavity of the oil storage bin (8).
6. The silent precision ball screw as claimed in claim 5, wherein: the top of the oil filling pipe (13) is connected with a top cover (14) through threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322223881.0U CN220850617U (en) | 2024-01-24 | 2024-01-24 | Mute type precise ball screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322223881.0U CN220850617U (en) | 2024-01-24 | 2024-01-24 | Mute type precise ball screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220850617U true CN220850617U (en) | 2024-04-26 |
Family
ID=90746298
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322223881.0U Active CN220850617U (en) | 2024-01-24 | 2024-01-24 | Mute type precise ball screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220850617U (en) |
-
2024
- 2024-01-24 CN CN202322223881.0U patent/CN220850617U/en active Active
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| GR01 | Patent grant |