CN212003958U - Guide pillar and guide sleeve structure - Google Patents
Guide pillar and guide sleeve structure Download PDFInfo
- Publication number
- CN212003958U CN212003958U CN201922486656.XU CN201922486656U CN212003958U CN 212003958 U CN212003958 U CN 212003958U CN 201922486656 U CN201922486656 U CN 201922486656U CN 212003958 U CN212003958 U CN 212003958U
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- China
- Prior art keywords
- guide
- sleeve
- oil
- oil outlet
- oil storage
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- Expired - Fee Related
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- 239000003921 oil Substances 0.000 claims abstract description 103
- 238000003860 storage Methods 0.000 claims abstract description 45
- 239000010687 lubricating oil Substances 0.000 claims abstract description 26
- 238000005461 lubrication Methods 0.000 claims abstract description 18
- 238000007789 sealing Methods 0.000 claims description 15
- 230000003139 buffering effect Effects 0.000 claims description 9
- 230000017525 heat dissipation Effects 0.000 claims description 5
- 238000013016 damping Methods 0.000 claims description 4
- 230000001050 lubricating effect Effects 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 5
- 239000010410 layer Substances 0.000 description 28
- 230000000694 effects Effects 0.000 description 9
- 239000012790 adhesive layer Substances 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 239000000428 dust Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of the guider technique and specifically relates to indicate a guide pillar and guide pin bushing structure, including the guide pillar, cover ball cover and guide pin bushing, ball cover and guide pillar sliding connection, guide pin bushing and ball cover sliding connection, the ball cover includes sleeve main part and a plurality of ball, a plurality of balls are spiral distribution in the sleeve main part, the both sides of ball are contradicted with guide pillar and guide pin bushing roll respectively, the guide pillar includes first body and second body, this internal oil storage chamber that is equipped with of first body, the second body is equipped with the through hole with oil storage chamber intercommunication, the second body is equipped with oil outlet channel and oil outlet, the second body is equipped with the lubrication groove, oil outlet channel's one end and oil storage chamber intercommunication, oil outlet channel's the other end and the one end of oil outlet intercommunication, the other end and the lubrication groove intercommunication of oil outlet, be equipped with controlling means in the oil storage chamber, first body is. The utility model discloses be convenient for to lubricating oil between guide pillar and the ball cover, the position precision that the guide pin bushing removed is high, long service life.
Description
Technical Field
The utility model belongs to the technical field of guider technique and specifically relates to indicate a guide pillar and guide pin bushing structure.
Background
In the mechanical field, a guide pillar and a guide sleeve are common mechanical accessories, the guide pillar is generally fixedly arranged on a machine body, the guide sleeve is sleeved on the guide pillar and moves up and down along the guide pillar, and a moving part is connected to the outer part of the guide sleeve; however, the guide sleeve often collides with the machine body in the moving process, so that the guide sleeve or the machine body is easily damaged, the service life is short, the guide sleeve needs to be frequently maintained or replaced, and the guide sleeve or the machine body is abraded, so that the position precision of the guide sleeve is not high, and lubricating oil is inconvenient to be added between the guide sleeve and the guide pillar, and the lubricating oil is easily wasted. Therefore, the drawbacks are obvious, and a solution is needed.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, an object of the utility model is to provide a be convenient for to add lubricating oil between guide pillar and the ball cover, the position precision that the guide pin bushing removed is high, long service life's guide pillar and guide pin bushing structure.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a guide post and guide sleeve structure comprises a cylindrical guide post, a ball sleeve sleeved outside the guide post and a guide sleeve sleeved outside the ball sleeve, wherein the ball sleeve is connected with the guide post in a sliding manner, the guide sleeve is connected with the ball sleeve in a sliding manner, the ball sleeve comprises a sleeve main body sleeved outside the guide post and a plurality of balls rotatably arranged on the sleeve main body, the balls are spirally distributed on the sleeve main body, two sides of the balls are respectively in rolling contact with the guide post and the guide sleeve, the guide post comprises a first body and a second body fixedly connected with the first body, an oil storage cavity is arranged in the first body, a through hole communicated with the oil storage cavity is arranged in the middle of the second body, an oil outlet channel and an oil outlet hole are arranged at one end, close to the oil storage cavity, of the second body, a lubricating groove is arranged on the outer side wall of the second body, and one end of the oil outlet channel is communicated with the, the other end of oil outlet channel and the one end intercommunication of oil outlet, the other end and the lubrication groove intercommunication of oil outlet, be provided with the controlling means that control lubricating oil flowed into oil outlet channel in the oil storage intracavity, the top of first body is provided with the spacing ring, the bolster has been installed to the diapire of spacing ring.
Further, controlling means includes ejector pin, closed ring and spring, the ejector pin install in the through hole and stretch out the one end of oil storage chamber is kept away from to the through hole, the closed ring is located the oil storage intracavity is used for opening or the shutoff passageway of producing oil, closed ring and ejector pin fixed connection, the one end and the closed ring of spring are contradicted, and the other end of spring is contradicted with the inner wall in oil storage chamber.
Furthermore, a sealing ring for sealing a gap between the inner wall of the through hole and the ejector rod is arranged in the through hole.
Further, one end of the first body, which is far away from the second body, is provided with an oil inlet hole communicated with the oil storage cavity.
Further, a sealing cover is detachably connected in the oil inlet hole.
Furthermore, a guide rod is arranged on one side, away from the oil outlet channel, of the closed ring, and the spring is sleeved outside the guide rod.
Further, the lubrication groove is spirally arranged along the length direction of the second body.
Further, the first body is in threaded connection with the second body.
Further, the bolster is including connecting in the interior buffer layer of the downside of spacing ring, the outer buffer layer that is used for conflicting the one end of guide pin bushing and setting up the middle buffer layer between interior buffer layer and outer buffer layer, middle buffer layer is including buffering the main part, the both sides of buffering the main part all are provided with a plurality of cushion columns, interior buffer layer and outer buffer layer all are provided with and are used for holding the dashpot of establishing the cushion column, form the air damping chamber between the inner wall of dashpot and the cushion column.
Further, heat dissipation gaps are arranged between the guide pillar and the sleeve main body and between the sleeve main body and the guide sleeve.
The utility model has the advantages that: when the guide sleeve is used in practice, the ball sleeve can slide up and down along the guide post while sliding up and down along the surface of the ball sleeve, so that the ball sleeve can move up and down relative to the guide sleeve, and the guide sleeve can move more stably and smoothly and has high moving efficiency by additionally arranging the ball sleeve; when the top end of the guide sleeve abuts against the buffer piece of the limiting ring, the guide sleeve is proved to move to the upper limit, so that the position precision of the guide sleeve movement is ensured; wherein, the bolster plays the effect of buffering to the guide pin bushing, has avoided guide pin bushing and spacing ring to bump, plays the effect of protection to guide pin bushing and guide pillar, has prolonged the utility model discloses a life. In addition, through set up the oil storage chamber that is used for storing lubricating oil on first guide pillar body, set up the oil outlet passageway with the oil storage chamber intercommunication on the second guide pillar body, and oil outlet passageway passes through oil outlet and second guide pillar body outer wall on the lubrication groove intercommunication, lubricating oil in the oil storage intracavity just can enter into the lubrication groove through oil outlet passageway and oil outlet respectively under controlling means's control like this, realize the lubrication between guide pillar and the ball cover, the friction loss of guide pillar and ball cover has been reduced, the life of guide pillar and ball cover is longer, and sufficient lubricating oil can once be stored in the oil storage chamber, can realize the self-lubricating of guide pillar in long-time, need not frequently to add lubricating oil, workman's intensity of labour has been reduced.
Drawings
Fig. 1 is a schematic view of the exploded structure of the present invention.
Fig. 2 is a cross-sectional view of the guide post of the present invention.
Fig. 3 is a partial cross-sectional view of the buffer member of the present invention.
Description of reference numerals:
1. a guide post; 11. a first body; 12. a second body; 13. an oil storage chamber; 14. a through hole; 15. an oil outlet channel; 16. an oil outlet hole; 17. a lubrication groove; 18. a limiting ring; 19. an oil inlet hole; 2. a ball sleeve; 21. a sleeve body; 22. a ball bearing; 3. a guide sleeve; 4. a control device; 41. a top rod; 42. a closed ring; 43. a spring; 5. a buffer member; 51. an inner buffer layer; 52. an outer buffer layer; 53. an intermediate buffer layer; 54. a buffer body; 55. a buffer column; 56. an air damper chamber; 57. an adhesive layer; 6. a seal ring; 7. sealing the cover; 8. a guide bar; 9. and (4) a sealing ring.
Detailed Description
In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention.
As shown in fig. 1 to 3, the present invention provides a guide pillar and guide sleeve structure, which comprises a cylindrical guide pillar 1, a ball sleeve 2 sleeved on the outer side of the guide pillar 1, and a guide sleeve 3 sleeved on the outer side of the ball sleeve 2, wherein the ball sleeve 2 is slidably connected to the guide pillar 1, the guide sleeve 3 is slidably connected to the ball sleeve 2, the ball sleeve 2 comprises a sleeve main body 21 sleeved on the outer side of the guide pillar 1, and a plurality of balls 22 rotatably disposed on the sleeve main body 21, the plurality of balls 22 are spirally distributed on the sleeve main body 21, two sides of the balls 22 respectively contact with the guide pillar 1 and the guide sleeve 3 in a rolling manner, the guide pillar 1 comprises a first body 11 and a second body 12 fixedly connected to the first body 11, an oil storage cavity 13 is disposed in the first body 11, a through hole 14 communicated with the oil storage cavity 13 is disposed in the middle of the second body 12, an oil outlet channel 15 and an oil outlet 16 are disposed at one end of the second body 12 close to the oil, the lateral wall of second body 12 is provided with lubrication groove 17, the one end and the oil storage chamber 13 intercommunication of oil outlet channel 15, the other end and the one end intercommunication of oil outlet 16 of oil outlet channel 15, the other end and the lubrication groove 17 intercommunication of oil outlet 16, be provided with control lubricating oil inflow oil outlet channel 15's controlling means 4 in the oil storage chamber 13, the top of first body 11 is provided with spacing ring 18, bolster 5 has been installed to the diapire of spacing ring 18.
When the guide sleeve is used in practice, the guide sleeve 3 slides up and down along the surface of the ball sleeve 2, and meanwhile, the ball sleeve 2 also slides up and down along the guide pillar 1, so that the ball sleeve 2 can move up and down relative to the guide sleeve 3, and the guide sleeve 3 can move more stably and smoothly and has high moving efficiency by additionally arranging the ball sleeve 2; when the top end of the guide sleeve 3 butts against the buffer piece 5 of the limit ring 18, the guide sleeve 3 is proved to move to the upper limit, so that the position precision of the guide sleeve 3 is ensured; wherein, bolster 5 plays the effect of buffering to guide pin bushing 3, has avoided guide pin bushing 3 and stop collar 18 to collide, plays the effect of protection to guide pin bushing 3 and guide pillar 1, has prolonged the utility model discloses a life. In addition, an oil storage cavity 13 used for storing lubricating oil is formed in the first guide pillar 1, an oil outlet channel 15 communicated with the oil storage cavity 13 is formed in the second guide pillar 1, and the oil outlet channel 15 is communicated with a lubricating groove 17 formed in the outer wall of the second guide pillar 1 through an oil outlet hole 16, so that the lubricating oil in the oil storage cavity 13 can enter the lubricating groove 17 through the oil outlet channel 15 and the oil outlet hole 16 under the control of the control device 4, lubrication between the guide pillar 1 and the ball sleeve 2 is achieved, friction loss of the guide pillar 1 and the ball sleeve 2 is reduced, the service lives of the guide pillar 1 and the ball sleeve 2 are longer, the oil storage cavity 13 can store enough lubricating oil at one time, operation is convenient, frequent addition of the lubricating oil is not needed, and labor intensity of workers is reduced.
In this embodiment, the control device 4 includes a push rod 41, a closed ring 42 and a spring 43, the push rod 41 is installed in the through hole 14 and extends out one end of the through hole 14 far away from the oil storage cavity 13, the closed ring 42 is located in the oil storage cavity 13 and is used for opening or blocking the oil outlet channel 15, the closed ring 42 is fixedly connected with the push rod 41, one end of the spring 43 is abutted against the closed ring 42, and the other end of the spring 43 is abutted against the inner wall of the oil storage cavity 13.
When not needing to add lubricating oil to guide pillar 1 and ball cover 2, closed ring 42 shutoff oil outlet channel 15 under spring 43's elastic force effect, the unable oil outlet channel 15 that flows into of lubricating oil in the oil storage chamber 13, when needs add lubricating oil to guide pillar 1 and ball cover 2, upwards promote ejector pin 41, make ejector pin 41 shift up and contradict closed ring 42 and shift up, closed ring 42 opens out oil channel 15, lubricating oil in the oil storage chamber 13 flows into oil outlet channel 15, get into lubrication groove 17 through oil outlet 16, realize the lubrication between guide pillar 1 and the ball cover 2, whole lubrication process easy operation, it is convenient, can not cause the waste of lubricating oil.
In this embodiment, the through-hole 14 is provided with a seal ring 6 for sealing a gap between the inner wall of the through-hole 14 and the stem 41. By additionally arranging the sealing ring 6, the lubricating oil in the oil storage cavity 13 can be prevented from leaking from the through hole 14, and the waste of the lubricating oil is avoided.
In this embodiment, an oil inlet 19 communicating with the oil storage chamber 13 is disposed at an end of the first body 11 away from the second body 12. By additionally arranging the oil inlet hole 19, lubricating oil can be conveniently added into the oil storage cavity 13.
In order to ensure the quality of the lubricating oil and prevent sundries (dust and the like) from entering the oil storage cavity 13, the oil inlet hole 19 is internally and detachably connected with a sealing cover 7.
In this embodiment, a guide rod 8 is disposed on a side of the closed ring 42 away from the oil outlet channel 15, and the spring 43 is sleeved outside the guide rod 8. By additionally arranging the guide rod 8, the spring 43 is convenient to mount, and the spring 43 can normally apply elastic force to the closed ring 42.
Specifically, the diameter of the oil inlet hole 19 is smaller than the outer diameter of the spring 43, so that the stability of the spring 43 in the oil storage cavity 13 is improved.
In this embodiment, the lubrication grooves 17 are spirally formed along the length direction of the second body 12, so that the lubrication effect and efficiency are improved.
In this embodiment, the first body 11 and the second body 12 are connected by threads, so that the first body 11 and the second body 12 can be conveniently disassembled, assembled and maintained, the assembly efficiency is improved, and the first body 11 can be stably connected with the second body 12.
Specifically, a sealing ring 9 is disposed between the first body 11 and the second body 12, and the sealing ring 9 is used for sealing a gap between the first body 11 and the second body 12. By additionally arranging the sealing ring 9, the first body 11 and the second body 12 are connected in a sealing manner, and the lubricating oil in the oil storage cavity 13 is prevented from leaking.
In this embodiment, the buffer 5 includes the interior buffer layer 51 of connecting in the downside of spacing ring 18, the outer buffer layer 52 that is used for conflicting one end of guide pin bushing 3 and sets up the middle buffer layer 53 between interior buffer layer 51 and outer buffer layer 52, middle buffer layer 53 includes buffering main part 54, the both sides of buffering main part 54 all are provided with a plurality of cushion columns 55, interior buffer layer 51 and outer buffer layer 52 all are provided with the dashpot that is used for holding and establishes cushion column 55, form air damping chamber 56 between the inner wall of dashpot and the cushion column 55.
In this embodiment, heat dissipation gaps are disposed between the guide pillar 1 and the sleeve main body 21, and between the sleeve main body 21 and the guide sleeve 3. The ball sleeve 2 and the guide sleeve 3 generate heat easily in the sliding process, the heat dissipation clearance accelerates the heat dissipation, the guide sleeve 3, the ball sleeve 2 or the guide pillar 1 is prevented from being heated and expanded, the loss of lubricating oil is also saved, and the production cost is reduced.
Specifically, adhesive layers 57 are disposed between the inner buffer layer 51 and the middle buffer layer 53 and between the middle buffer layer 53 and the outer buffer layer 52, and the adhesive layers 57 stabilize the structure of the buffer member 5, thereby ensuring the buffering effect of the buffer member 5.
All the technical features in the embodiment can be freely combined according to actual needs.
The above-mentioned embodiment is the utility model discloses the implementation scheme of preferred, in addition, the utility model discloses can also realize by other modes, any obvious replacement is all within the protection scope of the utility model under the prerequisite that does not deviate from this technical scheme design.
Claims (10)
1. The utility model provides a guide pillar and guide pin bushing structure which characterized in that: the oil-saving guide post comprises a cylindrical guide post, a ball sleeve sleeved outside the guide post and a guide sleeve sleeved outside the ball sleeve, wherein the ball sleeve is connected with the guide post in a sliding manner, the guide sleeve is connected with the ball sleeve in a sliding manner, the ball sleeve comprises a sleeve main body sleeved outside the guide post and a plurality of balls rotatably arranged on the sleeve main body, the balls are spirally distributed on the sleeve main body, two sides of the balls are respectively in rolling contact with the guide post and the guide sleeve, the guide post comprises a first body and a second body fixedly connected with the first body, an oil storage cavity is arranged in the first body, a through hole communicated with the oil storage cavity is arranged in the middle of the second body, an oil outlet channel and an oil outlet hole are arranged at one end, close to the oil storage cavity, of the second body, a lubricating groove is arranged on the outer side wall of the second body, one end of the oil outlet channel is communicated with the oil storage cavity, and the other, the other end and the lubrication groove intercommunication of oil outlet, be provided with the controlling means that control lubricating oil flowed into oil outlet channel in the oil storage intracavity, the top of first body is provided with the spacing ring, the bolster has been installed to the diapire of spacing ring.
2. The guide post and guide sleeve structure of claim 1, wherein: the control device comprises an ejector rod, a closed ring and a spring, wherein the ejector rod is installed in the through hole and stretches out the through hole, one end of the oil storage cavity is far away from the through hole, the closed ring is located in the oil storage cavity and used for opening or blocking the oil outlet channel, the closed ring is fixedly connected with the ejector rod, one end of the spring is abutted against the closed ring, and the other end of the spring is abutted against the inner wall of the oil storage cavity.
3. The guide post and guide sleeve structure of claim 2, wherein: and a sealing ring for sealing a gap between the inner wall of the through hole and the ejector rod is arranged in the through hole.
4. The guide post and guide sleeve structure of claim 2, wherein: one end of the first body, which is far away from the second body, is provided with an oil inlet hole communicated with the oil storage cavity.
5. The guide post and guide sleeve structure of claim 4, wherein: the seal cover is detachably connected in the oil inlet hole.
6. The guide post and guide sleeve structure of claim 2, wherein: and a guide rod is arranged on one side of the closed ring away from the oil outlet channel, and the spring is sleeved outside the guide rod.
7. The guide post and guide sleeve structure of claim 1, wherein: the lubrication groove is spirally arranged along the length direction of the second body.
8. The guide post and guide sleeve structure of claim 1, wherein: the first body is in threaded connection with the second body.
9. The guide post and guide sleeve structure of claim 1, wherein: the bolster is including connecting in the interior buffer layer of the downside of spacing ring, the outer buffer layer that is used for conflicting the one end of guide pin bushing and setting up the middle buffer layer between interior buffer layer and outer buffer layer, middle buffer layer is including buffering the main part, the both sides of buffering the main part all are provided with a plurality of cushion posts, interior buffer layer all is provided with the dashpot that is used for holding establishing the cushion post with outer buffer layer, form the air damping chamber between the inner wall of dashpot and the cushion post.
10. The guide post and guide sleeve structure of claim 1, wherein: and heat dissipation gaps are arranged between the guide pillar and the sleeve main body and between the sleeve main body and the guide sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922486656.XU CN212003958U (en) | 2019-12-30 | 2019-12-30 | Guide pillar and guide sleeve structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922486656.XU CN212003958U (en) | 2019-12-30 | 2019-12-30 | Guide pillar and guide sleeve structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212003958U true CN212003958U (en) | 2020-11-24 |
Family
ID=73428670
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922486656.XU Expired - Fee Related CN212003958U (en) | 2019-12-30 | 2019-12-30 | Guide pillar and guide sleeve structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212003958U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113103219A (en) * | 2021-04-02 | 2021-07-13 | 清华大学 | Pneumatic driver, robot and robot control method |
-
2019
- 2019-12-30 CN CN201922486656.XU patent/CN212003958U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113103219A (en) * | 2021-04-02 | 2021-07-13 | 清华大学 | Pneumatic driver, robot and robot control method |
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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 |
Granted publication date: 20201124 |