CN220540234U - Wear-resistant self-lubricating ball screw - Google Patents
Wear-resistant self-lubricating ball screw Download PDFInfo
- Publication number
- CN220540234U CN220540234U CN202320729175.0U CN202320729175U CN220540234U CN 220540234 U CN220540234 U CN 220540234U CN 202320729175 U CN202320729175 U CN 202320729175U CN 220540234 U CN220540234 U CN 220540234U
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- Prior art keywords
- oiling
- oil
- sleeve
- screw
- lubricating
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- 239000003921 oil Substances 0.000 claims abstract description 86
- 238000002347 injection Methods 0.000 claims abstract description 37
- 239000007924 injection Substances 0.000 claims abstract description 37
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 29
- 239000010959 steel Substances 0.000 claims abstract description 29
- 239000010687 lubricating oil Substances 0.000 claims abstract description 11
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 239000004033 plastic Substances 0.000 claims description 4
- 230000001737 promoting effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 5
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 230000006872 improvement Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 238000005461 lubrication Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000010724 circulating oil Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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- Transmission Devices (AREA)
Abstract
The utility model relates to the technical field of linear transmission, in particular to a wear-resistant self-lubricating ball screw which comprises a screw rod and a shaft sleeve which is slidably connected to the screw rod, wherein a ball support is arranged on the inner diameter of the shaft sleeve, a plurality of steel balls are arranged on the ball support, the plurality of steel balls are slidably arranged on the ball support, a thread groove is formed in the screw rod, the shaft sleeve is movably connected to the thread groove through the steel balls, an oiling component is arranged on one side of the screw rod and used for oiling the steel balls on the ball support, the oiling component comprises an oiling sleeve, an oiling push rod which is slidably connected to the oiling sleeve and an oil guide pipe, and the oiling push rod is provided with a pushing piston which is used for pushing lubricating oil in the oiling sleeve towards the oil guide pipe. According to the utility model, the oil injection push rod is matched with the oil injection sleeve and the oil guide pipe to perform oil injection, so that the oil guide is stable, the self-lubricating effect in the steel balls is ensured, the lubricity is increased, and the wear resistance of the structure is improved.
Description
Technical Field
The utility model relates to the technical field of linear transmission, in particular to a wear-resistant self-lubricating ball screw.
Background
The ball screw is an ideal product for converting rotary motion into linear motion or converting linear motion into rotary motion, is a transmission element most commonly used on tool machinery and precision machinery, has the main functions 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, and the existing ball screw has the defects of poor wear resistance and rust resistance during working; because there is no good lubrication of the ball screw. The existing lubrication is carried out by manually adding lubricating oil, and is complicated.
Disclosure of Invention
In order to solve the problems, the utility model provides the wear-resistant self-lubricating ball screw which adopts the oil injection push rod to be matched with the oil injection sleeve and the oil guide pipe to carry out oil injection, has stable oil guide, ensures the self-lubricating function in the steel balls, increases the lubricity and improves the wear resistance of the structure.
The technical scheme adopted by the utility model is as follows: the utility model provides a wear-resisting self-lubricating ball screw, includes the screw rod and but sliding connection's axle sleeve on the screw rod, but the internal diameter of axle sleeve is equipped with the ball support, be equipped with a plurality of steel balls on the ball support, but a plurality of steel balls slidable mounting is on the ball support, the screw thread groove has been seted up on the screw rod, the axle sleeve passes through steel ball swing joint in the screw thread groove, one side of screw rod is equipped with the oiling subassembly, the oiling subassembly is used for the steel ball oiling on the ball support, the oiling subassembly is including installing oiling sleeve on the axle sleeve, but sliding connection's oiling push rod and oil pipe in oiling sleeve, oiling sleeve passes through oil pipe and ball support connection, the oiling push rod is equipped with the promotion piston, the promotion piston is used for promoting the lubricating oil in the oiling sleeve towards the oil pipe.
A further improvement to the above solution is that the screw is formed by SKD11 material and the thread groove is formed by grooving a U-shaped groove in the outer diameter of the screw.
The scheme is further improved in that an arc chamfer is formed at the notch of the thread groove.
The technical scheme is further improved in that an oil storage tank is arranged in the threaded tank, and the oil storage tank is a U-shaped tank or a V-shaped tank.
The scheme is further improved in that a wear-resistant coating is arranged in the thread groove.
The technical scheme is further improved in that the ball support is a plastic support, a circulating groove is formed in the ball support, and the steel balls are circularly transmitted in the circulating groove.
The further improvement of the scheme is that the oiling sleeve is connected with the circulating groove through an oil guide pipe.
The technical scheme is further improved in that an oil storage cavity is formed in the oil injection sleeve, an oil injection port is formed in one side of the oil injection sleeve, and the oil injection port is used for injecting oil into the oil storage cavity.
The further improvement of the scheme is that the pushing piston is provided with a piston ring, one end of the piston ring is connected with an oiling push rod, and the oiling push rod is used for pushing the piston ring to move in the oil storage cavity.
A further improvement of the scheme is that two ends of the oiling push rod extend to the outside of the shaft sleeve.
The beneficial effects of the utility model are as follows:
compared with the existing ball screw, the oil injection assembly is arranged on the shaft sleeve, the oil injection assembly pushes lubricating oil towards the oil guide pipe under the action of the oil injection sleeve and the oil injection push rod, the lubricating oil is pushed onto the ball support, two ends of the oil injection push rod extend to the outside of the shaft sleeve, when the shaft sleeve slides on the screw rod, the oil injection push rod which is driven to a designated position is pushed when encountering an obstacle, automatic oil guide pushing can be realized, and the two ends can be pushed in a circulating and reciprocating mode, so that circulating oil injection is formed. The problem of current high to ball screw oiling degree of difficulty, complex operation adopts oiling push rod cooperation oiling sleeve and leads oil pipe to carry out the oiling, leads oil stably, has guaranteed to have the effect of self-lubricating in the steel ball, increases lubricity, improves the wearability of structure.
Drawings
FIG. 1 is a schematic perspective view of a wear resistant self-lubricating ball screw of the present utility model;
FIG. 2 is a schematic perspective view of the wear resistant self-lubricating ball screw of FIG. 1 from another perspective;
FIG. 3 is a schematic view of the front view of the self-lubricating ball screw of FIG. 1;
fig. 4 is a cross-sectional view of A-A in fig. 3.
Reference numerals illustrate: screw 1, thread groove 11, circular arc chamfer 111, oil storage groove 112, axle sleeve 2, ball support 21, steel ball 22, oiling subassembly 3, oiling sleeve 31, oil storage chamber 311, oiling mouth 312, oiling push rod 32, lead oil pipe 33, promote piston 34, piston ring 341.
Detailed Description
In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. Preferred embodiments of the present utility model are shown in the drawings. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.
As shown in fig. 1 to 4, in one embodiment of the present utility model, a wear-resistant self-lubricating ball screw is provided, a screw 1 and a shaft sleeve 2 slidably connected to the screw 1 are provided, the inner diameter of the shaft sleeve 2 is provided with a ball support 21, the ball support 21 is provided with a plurality of steel balls 22, the plurality of steel balls 22 are slidably mounted on the ball support 21, the screw 1 is provided with a thread groove 11, the shaft sleeve 2 is movably connected to the thread groove 11 through the steel balls 22, one side of the screw 1 is provided with an oiling assembly 3, the oiling assembly 3 is used for oiling the steel balls 22 on the ball support 21, the oiling assembly 3 comprises an oiling sleeve 31 mounted on the shaft sleeve 2, an oiling push rod 32 slidably connected in the oiling sleeve 31, and an oil guide pipe 33, the oiling sleeve 31 is connected with the ball support 21 through the oil guide pipe 33, the oiling push rod 32 is provided with a pushing piston 34, and the pushing piston 34 is used for pushing the lubricating oil in the oiling sleeve 31 towards the oil guide pipe 33.
Screw rod 1 is formed by SKD11 material processing, thread groove 11 forms the U type groove at screw rod 1 external diameter through the gouging processing, adopts SKD11 material processing procedure's screw rod 1 to through quenching to 58HRC, guarantee structural rigidity, improve the durability, set up the screw thread just into the U type groove simultaneously, convenient cooperation steel ball 22 activity use, simple structure is reliable.
The arc chamfer 111 is formed at the notch of the thread groove 11, and the resistance is reduced in the moving process of the steel ball 22 by adopting the design of the arc chamfer 111, so that the sliding smoothness is improved.
An oil storage tank 112 is arranged in the threaded groove 11, the oil storage tank 112 is a U-shaped tank or a V-shaped tank, the oil storage tank 112 can be used for storing oil in the sliding process of the steel balls 22, and both the U-shaped structure and the V-shaped structure can store lubricating oil.
The wear-resistant coating is arranged in the thread groove 11, and the wear-resistant coating is formed by combining ceramic particles and modified toughening resin, so that the wear-resistant coating has high wear resistance coefficient and good damping effect.
The ball support 21 is a plastic support, a circulation groove is formed in the ball support 21, the steel balls 22 are circularly driven in the circulation groove, the oiling sleeve 31 is connected with the circulation groove through the oil guide pipe 33, the plastic support or the rubber support is used as a support structure of the ball, the steel balls 22 are supported and movable, and stability is good in the moving process.
An oil storage cavity 311 is arranged in the oil injection sleeve 31, an oil injection port 312 is arranged on one side of the oil injection sleeve 31, the oil injection port 312 is used for injecting oil into the oil storage cavity 311, and the further improvement is that a piston ring 341 is arranged on the pushing piston 34, one end of the piston ring 341 is connected with an oil injection push rod 32, and the oil injection push rod 32 is used for pushing the piston 34 to move in the oil storage cavity 311 in a ring manner; the piston 34 is pushed to move in the oil storage cavity 311 by the action of the oil injection push rod 32, lubricating oil is led from the oil guide pipe 33 to the steel balls 22 for lubrication in the moving process, and the oil injection port 312 is used for injecting the lubricating oil, so that the oil injection is convenient.
The two ends of the oiling push rod 32 extend to the outside of the shaft sleeve 2, and the two ends can be extended by arranging limiting baffles at the two ends, and the limiting baffles are used for pushing the oiling push rod 32 at the two ends, so that the piston ring 341 is driven to move.
According to the utility model, the oil injection assembly 3 is arranged on the shaft sleeve 2, the oil injection assembly 3 is provided with the oil injection sleeve 31 and the oil injection push rod 32, lubricating oil is pushed towards the oil guide pipe 33 and is pushed onto the ball support 21, two ends of the oil injection push rod 32 extend to the outside of the shaft sleeve 2, when the shaft sleeve 2 slides on the screw rod 1, the oil injection push rod 32 which is driven to a designated position is pushed when encountering an obstacle, automatic pushing of oil guide can be realized, and two ends can be pushed in a circulating and reciprocating mode, so that circulating oil injection is formed. The problem of current high to ball screw oiling degree of difficulty, complex operation is solved, adopts oiling push rod 32 cooperation oiling sleeve 31 and leads oil pipe 33 to carry out the oiling, leads oil stably, has guaranteed to have the effect of self-lubricating in the steel ball 22, increases lubricity, improves the wearability of structure.
The foregoing examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.
Claims (10)
1. The utility model provides a wear-resisting self-lubricating ball screw which characterized in that: including screw rod and slidable connection axle sleeve on the screw rod, but the internal diameter of axle sleeve is equipped with the ball support, be equipped with a plurality of steel balls on the ball support, but a plurality of steel balls slidable mounting is on the ball support, the screw thread groove has been seted up on the screw rod, the axle sleeve passes through steel ball swing joint in the screw thread groove, one side of screw rod is equipped with the oiling subassembly, the oiling subassembly is used for the steel ball oiling on the ball support, the oiling subassembly is including installing oiling sleeve on the axle sleeve, but the oiling push rod and the oil pipe of sliding connection in oiling sleeve, oiling sleeve passes through oil pipe and ball support connection, oiling push rod is equipped with the promotion piston, the promotion piston is used for promoting the lubricating oil in the oiling sleeve towards the oil pipe.
2. The wear resistant self-lubricating ball screw of claim 1, wherein: the screw is formed by SKD11 material processing, and the thread groove is formed into a U-shaped groove on the outer diameter of the screw through grooving processing.
3. The wear resistant self-lubricating ball screw of claim 1, wherein: and the notch of the thread groove is provided with an arc chamfer.
4. The wear resistant self-lubricating ball screw of claim 1, wherein: an oil storage tank is arranged in the thread groove, and the oil storage tank is a U-shaped tank or a V-shaped tank.
5. The wear resistant self-lubricating ball screw of claim 1, wherein: and a wear-resistant coating is arranged in the thread groove.
6. The wear resistant self-lubricating ball screw of claim 1, wherein: the ball support is a plastic support, a circulating groove is formed in the ball support, and the steel balls are circularly driven in the circulating groove.
7. The wear resistant self-lubricating ball screw as in claim 6, wherein: the oiling sleeve is connected with the circulating groove through an oil guide pipe.
8. The wear resistant self-lubricating ball screw of claim 1, wherein: an oil storage cavity is arranged in the oil injection sleeve, an oil injection port is arranged on one side of the oil injection sleeve, and the oil injection port is used for injecting oil into the oil storage cavity.
9. The wear resistant self-lubricating ball screw of claim 8, wherein: the pushing piston is provided with a piston ring, one end of the piston ring is connected with an oiling push rod, and the oiling push rod is used for pushing the piston ring to move in the oil storage cavity.
10. The wear resistant self-lubricating ball screw of claim 1, wherein: and two ends of the oiling push rod extend to the outside of the shaft sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320729175.0U CN220540234U (en) | 2023-04-03 | 2023-04-03 | Wear-resistant self-lubricating ball screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320729175.0U CN220540234U (en) | 2023-04-03 | 2023-04-03 | Wear-resistant self-lubricating ball screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220540234U true CN220540234U (en) | 2024-02-27 |
Family
ID=89970709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320729175.0U Active CN220540234U (en) | 2023-04-03 | 2023-04-03 | Wear-resistant self-lubricating ball screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220540234U (en) |
-
2023
- 2023-04-03 CN CN202320729175.0U patent/CN220540234U/en active Active
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