CN104500572A - Sleeve assembly - Google Patents
Sleeve assembly Download PDFInfo
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- CN104500572A CN104500572A CN201410797981.7A CN201410797981A CN104500572A CN 104500572 A CN104500572 A CN 104500572A CN 201410797981 A CN201410797981 A CN 201410797981A CN 104500572 A CN104500572 A CN 104500572A
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- sleeve assembly
- sleeve body
- graphite layer
- groove
- sleeve
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Abstract
The invention discloses a sleeve assembly, which comprises a sleeve body and a core shaft; a through hole through which the core shaft can pass is formed in the middle of the sleeve body; an annular graphite layer is arranged on the inner wall of the through hole; and a groove is formed in the annular graphite layer along the axial direction. According to the sleeve assembly disclosed by the invention, one one hand, the annular graphite layer has the good wear-resistant, lubrication and strength properties and has the good lubrication effect, on the other hand, a lubricating agent/oil is added into the sleeve body and can be stored in the groove for a long time; when the sleeve body and the core shaft are used in a matched manner, the lubrication effect is further enhanced, so that the mutual abrasion is greatly reduced, and the service life is prolonged.
Description
Technical field
The present invention relates to a kind of lathe mating accessory technical field, particularly relate to a kind of sleeve assembly.
Background technique
Along with the development of China's machine tool industry Automation Industry, Machine Tool Industry structure updating and technological progress have achieved larger development, and this new road toward industrialization also accelerating to realize relying on technological progress and sustainable development for China changes.But, machine-tool industry is the important embodiment of the high-end equipment manufacture of China, along with Machine Tool Industry is to the lifting of production precision and efficiency requirements, the current urgent need of China's machine industry is agreed with milling machine numerical control transformation mutually by the machine tool accessory to substantial amounts, machine tool accessory.
Putting before this, the maintenance of lathe, recycling and manufacture development again and just become the most important thing.As the country that lathe recoverable amount is in the world maximum, current China lathe recoverable amount reaches about 8,000,000, and the old lathe of tradition of more than 10 years enlistment age accounts for about 50%.At following 5 ~ 10 years, what these lathes all may form considerable scale reusable edible manufactured potential resource again.A lot of lathe all just needs to change machine tool accessory, machine tool accessory, just can take on an entirely new look.
At present, in use, sleeve body and mandrel wear and tear and compare seriously sleeve assembly each other, cause reduce working life.
Summary of the invention
For the deficiencies in the prior art, the invention provides a kind of sleeve assembly, sleeve assembly of the present invention, high lubricating effect, greatly reduce mutual wearing and tearing, extend working life.
A kind of sleeve assembly, comprises sleeve body and mandrel, and the middle part of sleeve body offers the through hole passed for mandrel, and the inwall of through hole is provided with ring-shaped graphite layer, and ring-shaped graphite layer offers groove vertically.
Graphite have high, the wear-resisting lubrication of intensity, good thermal shock, high temperature resistant, anti-oxidant, corrosion-resistant, be easy to the advantages such as accurate machining, be desirable Inorganic Non-metallic Materials.For the graphite anode, grid etc. of the graphite crucible of processing and fabricating electrical heating elements, structure casting die, smelting high-purity metal crucible boat, single crystal growing furnace heater, electric discharge machining graphite, sintering mold, radio tube anode, metal electroplating, semiconductor technology, transmitter valve, thyratron and mercuryarc rectifier.
Preferably, ring-shaped graphite layer radially offers the annular pass of through-going recess.
Preferably, groove is distributed on the middle part of ring-shaped graphite layer, ring-shaped graphite layer offer pod apertures, pod apertures one end and groove connect, and the other end and sleeve body upper-end surface connect.
Preferably, number of recesses is 4 ~ 6, and the cross section of groove is 2/3 ~ 5/6 circle.
Preferably, the outer side surface of mandrel is provided with silicon carbide layer, and silicon carbide layer thickness is 2 ~ 10mm;
Preferred further, silicon carbide layer thickness is 5mm.
Silicon carbide stable chemical performance, hardness are large, thermal conductivity is high, thermal expansion coefficient is little, wear-resisting property is good, except making abrasive material and using, also have other purposes a lot, such as: the inwall with special process, silicon carbide powder being coated turbine impeller or cylinder block, its wear resistance can be improved and increase the service life 1 ~ 2 times; In order to the high grade refractory made, resistance to thermal shock, volume are little, lightweight and intensity is high, good energy-conserving effect.
Preferably, the outer side surface of sleeve body is provided with annular knurl.
Compared with prior art, the present invention has following beneficial effect: a kind of sleeve assembly comprises sleeve body and mandrel, the middle part of sleeve body offers the through hole passed for mandrel, and the inwall of through hole is provided with ring-shaped graphite layer, and ring-shaped graphite layer offers groove vertically.Sleeve assembly of the present invention, on the one hand ring-shaped graphite layer has good wear-resisting lubrication and strength character, high lubricating effect, wear-resistant; On the other hand add lubricant/oil to sleeve body, lubricant/oil can be preserved for a long time in groove, sleeve body and mandrel with the use of time, strengthen lubrication effect further, greatly reduce mutual wearing and tearing, increase the service life.
Accompanying drawing explanation
Fig. 1 is sleeve assembly structural representation of the present invention;
Fig. 2 is ring-shaped graphite Rotating fields schematic diagram of the present invention.
Accompanying drawing indicates as follows: 11-sleeve body, 12-ring-shaped graphite layer, 13-groove, 14-pod apertures, 15-annular pass, 21-mandrel, 22-silicon carbide layer.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in detail.
See Fig. 1 ~ 2, the sleeve assembly of the present embodiment, comprise sleeve body 11 and mandrel 21, the middle part of sleeve body 11 offers the through hole passed for mandrel 21, the inwall of through hole is provided with ring-shaped graphite layer 12, ring-shaped graphite layer 12 offers groove 13 vertically, and groove 13 quantity is 4 ~ 6, and ring-shaped graphite layer 12 radially offers the annular pass 15 of through-going recess 13.
Graphite has high, the wear-resisting lubrication of intensity, good thermal shock, is easy to the advantages such as accurate machining, is desirable Inorganic Non-metallic Materials.Sleeve assembly of the present invention, on the one hand ring-shaped graphite layer 12 has good wear-resisting lubrication and strength character, high lubricating effect, wear-resistant; On the other hand add lubricant/oil to sleeve body 11, lubricant/oil can be preserved for a long time in groove 13, sleeve body 11 and mandrel 21 with the use of time, further enhancing high lubricating effect, greatly reduce mutual wearing and tearing, increase the service life.Groove 13 is connected by annular pass 15 simultaneously, and lubricant/oil evenly enters in 4 ~ 6 grooves 13, is conducive to even, the comprehensive lubrication of sleeve assembly, and high lubricating effect.
Preferably, groove 13 is distributed on the middle part of ring-shaped graphite layer 12, ring-shaped graphite layer 12 offer pod apertures 14, pod apertures 14 one end and groove 13 connect, and the other end and sleeve body 11 upper-end surface connect, and the cross section of groove 13 is 2/3 ~ 5/6 circle.
Groove 13 is distributed on the middle part of ring-shaped graphite layer 12, be conducive to long-time storage lubricant/oil, and not easily run off, when need add, directly import from pod apertures 14, do not need pulling off sleeves assembly, convenient and swift, the cross section of groove 13 is 2/3 ~ 5/6 bowlder, has both been conducive to the storage of lubricant/oil, does not affect the lubrication to sleeve assembly simultaneously.
Preferably, the outer side surface of mandrel 21 is provided with silicon carbide layer 22, and silicon carbide layer 22 thickness is 2 ~ 10mm.Silicon carbide layer 22 stable chemical performance, hardness is large, wear-resisting property good, can improve mandrel 21 wear resistance, increases the service life 1 ~ 2 times; Meanwhile, resistance to thermal shock, volume are little, lightweight and intensity is high, enhance mandrel 21 intensity, increase the service life further.
Preferred further, silicon carbide layer 22 thickness is 5mm, and the outer side surface of sleeve body 11 is provided with annular knurl.The annular knurl arranged, is conducive to anti-skidding, is convenient to take.
Claimant states, the present invention illustrates detailed construction of the present invention and technique by above-described embodiment, but the present invention is not limited to above-mentioned detailed construction and technique, does not namely mean that the present invention must rely on above-mentioned detailed construction and technique could be implemented.Person of ordinary skill in the field should be understood that any improvement in the present invention, to equivalence replacement and the interpolation of auxiliary element, the concrete way choice etc. of each raw material of product of the present invention, all drops within protection scope of the present invention and open scope.
Claims (8)
1. a sleeve assembly, comprise sleeve body (11) and mandrel (21), it is characterized in that, the middle part of described sleeve body (11) offers the through hole passed for described mandrel (21), the inwall of described through hole is provided with ring-shaped graphite layer (12), and described ring-shaped graphite layer (12) offers groove (13) vertically.
2. sleeve assembly according to claim 1, is characterized in that, described ring-shaped graphite layer (12) radially offers the annular pass (15) running through described groove (13).
3. sleeve assembly according to claim 1, it is characterized in that, described groove (13) is distributed on the middle part of described ring-shaped graphite layer (12), described ring-shaped graphite layer (12) offer pod apertures (14), described pod apertures (14) one end and described groove (13) connect, and the other end and described sleeve body (11) upper-end surface connect.
4. sleeve assembly according to claim 1, is characterized in that, the cross section of described groove (13) is 2/3 ~ 5/6 circle.
5. sleeve assembly according to claim 1, is characterized in that, described groove (13) quantity is 4 ~ 6.
6. sleeve assembly according to claim 1, is characterized in that, the outer side surface of described mandrel (21) is provided with silicon carbide layer (22), and described silicon carbide layer (22) thickness is 2 ~ 10mm.
7. sleeve assembly according to claim 6, is characterized in that, described silicon carbide layer (22) thickness is 5mm.
8. sleeve assembly according to claim 1, is characterized in that, the outer side surface of described sleeve body (11) is provided with annular knurl.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410797981.7A CN104500572A (en) | 2014-12-19 | 2014-12-19 | Sleeve assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410797981.7A CN104500572A (en) | 2014-12-19 | 2014-12-19 | Sleeve assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104500572A true CN104500572A (en) | 2015-04-08 |
Family
ID=52942005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410797981.7A Pending CN104500572A (en) | 2014-12-19 | 2014-12-19 | Sleeve assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104500572A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109780070A (en) * | 2019-03-16 | 2019-05-21 | 杨胜 | A kind of anti skid bearing |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2086787A (en) * | 1934-12-31 | 1937-07-13 | Robert H Whiteley | Self-lubricating bearing |
| JPS5869120U (en) * | 1981-11-04 | 1983-05-11 | 株式会社 小松製作所 | Oil-less metal for high temperature parts |
| JPS63106420A (en) * | 1986-10-22 | 1988-05-11 | Canon Inc | Bearing |
| JPS6457418U (en) * | 1987-10-06 | 1989-04-10 | ||
| DE202005005736U1 (en) * | 2005-04-11 | 2005-09-08 | Chen, Chih Hsin, Sioushuei | Guide bush for use in presses and suchlike has several slots on inner wall and these are filled with graphite by which guide bush can slide without friction along outer face of rod |
| CN201125951Y (en) * | 2007-12-06 | 2008-10-01 | 田维远 | Slide bearing |
| CN204387113U (en) * | 2014-12-19 | 2015-06-10 | 昆山旭祥钣金工业有限公司 | A kind of sleeve assembly |
-
2014
- 2014-12-19 CN CN201410797981.7A patent/CN104500572A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2086787A (en) * | 1934-12-31 | 1937-07-13 | Robert H Whiteley | Self-lubricating bearing |
| JPS5869120U (en) * | 1981-11-04 | 1983-05-11 | 株式会社 小松製作所 | Oil-less metal for high temperature parts |
| JPS63106420A (en) * | 1986-10-22 | 1988-05-11 | Canon Inc | Bearing |
| JPS6457418U (en) * | 1987-10-06 | 1989-04-10 | ||
| DE202005005736U1 (en) * | 2005-04-11 | 2005-09-08 | Chen, Chih Hsin, Sioushuei | Guide bush for use in presses and suchlike has several slots on inner wall and these are filled with graphite by which guide bush can slide without friction along outer face of rod |
| CN201125951Y (en) * | 2007-12-06 | 2008-10-01 | 田维远 | Slide bearing |
| CN204387113U (en) * | 2014-12-19 | 2015-06-10 | 昆山旭祥钣金工业有限公司 | A kind of sleeve assembly |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109780070A (en) * | 2019-03-16 | 2019-05-21 | 杨胜 | A kind of anti skid bearing |
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Application publication date: 20150408 |