CN110552962A - Fascia gun metal bearing and preparation method thereof - Google Patents
Fascia gun metal bearing and preparation method thereof Download PDFInfo
- Publication number
- CN110552962A CN110552962A CN201910841850.7A CN201910841850A CN110552962A CN 110552962 A CN110552962 A CN 110552962A CN 201910841850 A CN201910841850 A CN 201910841850A CN 110552962 A CN110552962 A CN 110552962A
- Authority
- CN
- China
- Prior art keywords
- bearing
- metal bearing
- gun metal
- fascia gun
- honeycomb holes
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
- F16C33/06—Sliding surface mainly made of metal
- F16C33/10—Construction relative to lubrication
- F16C33/1025—Construction relative to lubrication with liquid, e.g. oil, as lubricant
- F16C33/103—Construction relative to lubrication with liquid, e.g. oil, as lubricant retained in or near the bearing
- F16C33/104—Construction relative to lubrication with liquid, e.g. oil, as lubricant retained in or near the bearing in a porous body, e.g. oil impregnated sintered sleeve
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
- F16C33/06—Sliding surface mainly made of metal
- F16C33/14—Special methods of manufacture; Running-in
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Sliding-Contact Bearings (AREA)
Abstract
the invention provides a preparation method of a fascia gun metal bearing, which comprises the following steps: s1, preparing a bearing prefabricated part by high-precision die-casting and molding metal powder, wherein the metal powder is selected from pure copper, pure iron or iron-copper alloy powder; s2, sintering the bearing prefabricated member at 1080-1130 ℃ for 10-60 minutes to obtain a fascia gun metal bearing, wherein the inner wall of the fascia gun metal bearing is provided with a plurality of honeycomb holes; s3, placing the fascia gun metal bearing into a heated oil barrel, vacuumizing, and injecting lubricating oil into a plurality of honeycomb holes in the inner wall of the fascia gun metal bearing. The invention also provides a fascia gun metal bearing obtained by the method.
Description
Technical Field
The invention relates to the technical field of bearings, in particular to a fascia gun metal bearing and a preparation method thereof.
background
The fascia gun is called a muscle fascia relaxation massage gun, and is used for high-frequency secondary impact physiotherapy for fascia relaxation. After body building or exercise, sympathetic nerves are over-excited, so that muscles are still over-stressed in a static state, fascia adhesion is generated, and recovery of growth is influenced.
The fascial gun generates 2000-3000 vibrations per minute, and the gun head impacts the target part of the body to help the relaxation and recovery of muscle and soft tissue and promote blood circulation. Meanwhile, a large amount of creatine generated by fatigue of a human body in sports, work and life is effectively dissipated, and the effect of relieving the fatigue of the human body is very good; the high-frequency oscillation effect can directly penetrate deep skeletal muscles, so that the skeletal muscles are relaxed instantly, and the nerves and blood vessels of the channels and collaterals are instantly unblocked.
the existing fascia gun comprises a push shaft and a bearing, wherein the push shaft reciprocates back and forth in the bearing, the push shaft is subjected to black oxidation treatment by aluminum alloy, and the bearing is made of plastic materials, such as: polyoxymethylene resin, polyketone, polyetheretherketone (POM, POK, PEEK). Due to high-speed friction between the shaft and the bearing, the bearing is abraded, and a gap between the bearing and the shaft is enlarged; and along with the rise of high-speed friction temperature, because the hot physical characteristic that rises of plastics, the clearance grow of bearing and axle leads to product running noise grow, and product stability is poor, seriously shortens product life.
Disclosure of Invention
The invention provides a fascia gun metal bearing and a preparation method thereof, which can effectively solve the problems.
The invention is realized by the following steps:
A preparation method of a fascia gun metal bearing comprises the following steps:
S1, preparing a bearing prefabricated part by high-precision die-casting and molding metal powder, wherein the metal powder is selected from pure copper, pure iron or iron-copper alloy powder;
S2, sintering the bearing prefabricated member at 1080-1130 ℃ for 10-60 minutes to obtain a fascia gun metal bearing, wherein the inner wall of the fascia gun metal bearing is provided with a plurality of honeycomb holes;
s3, placing the fascia gun metal bearing into a heated oil barrel, vacuumizing, and injecting lubricating oil into a plurality of honeycomb holes in the inner wall of the fascia gun metal bearing.
A fascia gun metal bearing is characterized by comprising a sleeving part and a plurality of honeycomb holes formed in the inner wall of each accommodating hole, wherein each sleeving part is provided with an accommodating hole; and lubricating oil is filled in the plurality of honeycomb holes.
The invention has the beneficial effects that: the bearing prefabricated part is sintered at high temperature, so that a plurality of honeycomb holes are formed on the inner wall of the bearing, and lubricating oil is injected into the honeycomb holes on the inner wall of the bearing in a high-temperature and negative-pressure mode, so that the lubricating oil is always stored in the honeycomb holes of the bearing. The shaft does high-speed telescopic reciprocating motion in the bearing, vacuum is formed between the shaft and the bearing, and under the action of air pressure, lubricating oil stored in honeycomb holes in the inner wall of the metal bearing overflows into a gap between the shaft and the bearing, so that a lubricating oil film is formed between the bearing and the shaft, and the friction coefficient between the bearing and the shaft is lowest.
drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a flow chart of a method for manufacturing a fascial gun metal bearing according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a fascial gun metal bearing structure provided by an embodiment of the invention.
fig. 3 is an enlarged view of the inner surface of a fascial gun metal bearing provided by an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Referring to fig. 1, an embodiment of the present invention provides a method for manufacturing a fascial gun metal bearing, including the following steps:
S1, preparing a bearing prefabricated part by high-precision die-casting and molding metal powder, wherein the metal powder is selected from pure copper, pure iron or iron-copper alloy powder;
S2, sintering the bearing prefabricated member at 1080-1130 ℃ for 10-60 minutes to obtain the fascia gun metal bearing 20, wherein the inner wall of the fascia gun metal bearing 20 is provided with a plurality of honeycomb holes;
S3, placing the fascia gun metal bearing into a heated oil barrel, vacuumizing, and injecting lubricating oil into a plurality of honeycomb holes in the inner wall of the fascia gun metal bearing.
In step S2, as a further improvement, the step of sintering the bearing preform in 1080 ℃ to 1130 ℃ comprises: and sintering the bearing prefabricated part at 1090-1110 ℃.
As a further improvement, the step of sintering the bearing preform in 1090 ℃ to 1110 ℃ comprises: the bearing preform was sintered at 1100 ℃.
As a further improvement, the pore diameter of the honeycomb pores is 0.1-1 micron.
In step S3, as a further improvement, the step of placing the fascial gun metal bearing into a heated oil drum and vacuumizing to inject the lubricating oil into a plurality of honeycomb holes in the inner wall of the fascial gun metal bearing comprises:
And putting the fascia gun metal bearing into an oil drum heated to 50-70 ℃, vacuumizing to-0.5 MPA, and injecting lubricating oil into a plurality of honeycomb holes in the inner wall of the fascia gun metal bearing. In one embodiment, the oil is heated to about 60 degrees Celsius and evacuated to-0.5 MPA. It will be appreciated that by drawing a vacuum, air within the honeycomb cells can be rapidly evacuated and lubricating oil can be rapidly introduced into the honeycomb cells.
Preferably, the lubricating oil is selected from ONEUP-G27 special oil for oil-bearing.
Referring to fig. 2 and 3, the fascial gun metal bearing structure 100 generally includes a push shaft 10 and the fascial gun metal bearing 20. The push-out shaft 10 comprises an extending part 101 and an inner hole 102 arranged on the extending part 101; the fascia gun metal bearing 20 comprises a sleeve part 201 and a containing hole 202 formed on the sleeve part 201. The diameter of the extending portion 101 is smaller than or equal to the diameter of the receiving hole 202, so that the pushing shaft 10 is telescopically received in the receiving hole 202, and the diameter of the receiving hole 202 is larger than the diameter of the inner hole 102 of the extending portion 101. The honeycomb holes are disposed on the inner wall of the receiving hole 202.
During the telescopic reciprocating movement of the pushing shaft 10 and the fascial gun metal bearing 20, the lubricating oil can overflow into a gap between the pushing shaft 10 and the fascial gun metal bearing 20 to form a lubricating oil film in the gap between the pushing shaft 10 and the fascial gun metal bearing 2, so as to reduce the friction between the pushing shaft 10 and the fascial gun metal bearing 20.
the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The preparation method of the fascia gun metal bearing is characterized by comprising the following steps:
s1, preparing a bearing prefabricated part by high-precision die-casting and molding metal powder, wherein the metal powder is selected from pure copper, pure iron or iron-copper alloy powder;
S2, sintering the bearing prefabricated member at 1080-1130 ℃ for 10-60 minutes to obtain a fascia gun metal bearing, wherein the inner wall of the fascia gun metal bearing is provided with a plurality of honeycomb holes;
s3, placing the fascia gun metal bearing into a heated oil barrel, vacuumizing, and injecting lubricating oil into a plurality of honeycomb holes in the inner wall of the fascia gun metal bearing.
2. The method for preparing a fascia gun metal bearing according to claim 1, wherein the step of sintering the bearing preform at 1080-1130 ℃ in step S2 comprises: and sintering the bearing prefabricated part at 1090-1110 ℃.
3. the method for preparing a fascia gun metal bearing according to claim 2, wherein the step of sintering the bearing preform at 1090 to 1110 ℃ in step S2 comprises: the bearing preform was sintered at 1100 ℃.
4. The method of manufacturing a fascial gun metal bearing of claim 1, wherein in step S3, the step of placing the fascial gun metal bearing into a heated oil drum and drawing a vacuum to inject a lubricating oil into a plurality of honeycomb holes in an inner wall of the fascial gun metal bearing comprises:
S3, placing the fascia gun metal bearing into an oil drum heated to 50-70 ℃, vacuumizing to-0.5 MPA, and injecting lubricating oil into a plurality of honeycomb holes in the inner wall of the fascia gun metal bearing.
5. the method of manufacturing a fascial gun metal bearing of claim 1, wherein in step S2, the honeycomb holes have a pore size of 0.1 to 1 micron.
6. The method for preparing a fascia gun metal bearing according to claim 1, wherein the lubricating oil is selected from oil special for an ONEUP-G27 oil-bearing.
7. The fascia gun metal bearing is characterized by comprising a sleeving part (201) and a containing hole (202) formed in the sleeving part (201), wherein the inner wall of the containing hole (202) is provided with a plurality of honeycomb holes; and lubricating oil is filled in the plurality of honeycomb holes.
8. The fascial gun metal bearing of claim 7, wherein the honeycomb holes have a pore size of 0.1 to 1 micron.
9. a fascial gun metal bearing, wherein the fascial gun metal bearing is prepared by the method of any one of claims 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910841850.7A CN110552962A (en) | 2019-09-06 | 2019-09-06 | Fascia gun metal bearing and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910841850.7A CN110552962A (en) | 2019-09-06 | 2019-09-06 | Fascia gun metal bearing and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110552962A true CN110552962A (en) | 2019-12-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910841850.7A Pending CN110552962A (en) | 2019-09-06 | 2019-09-06 | Fascia gun metal bearing and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110552962A (en) |
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| CN101219476A (en) * | 2008-01-25 | 2008-07-16 | 四川大学 | Process for producing nano-carbon tube reinforced stephanoporate oil-retaining bearing |
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| CN101775521A (en) * | 2010-03-16 | 2010-07-14 | 海安县鹰球集团有限公司 | Ultrahigh rotating speed oil bearing for powder metallurgy and manufacturing method thereof |
| CN101982261A (en) * | 2010-09-27 | 2011-03-02 | 四川省南充鑫磊冶金科技发展有限公司 | Manufacturing method of oil bearing used at temperature over 250 DEG C |
| CN102689013A (en) * | 2012-06-06 | 2012-09-26 | 海安县鹰球集团有限公司 | High-toughness oil-retaining bearing for iron-base power metallurgy and manufacturing method thereof |
| CN102788090A (en) * | 2012-08-27 | 2012-11-21 | 四川省宏锦泰粉末冶金有限公司 | Thin-wall long-barrel-shaped bearing containing oil and production method thereof |
| CN103071800A (en) * | 2012-11-23 | 2013-05-01 | 东睦(江门)粉末冶金有限公司 | Iron-based oil-containing bearing and manufacturing method thereof |
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| CN109758348A (en) * | 2019-01-15 | 2019-05-17 | 温州职业技术学院 | Fascia rifle and its mounting process |
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2019
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| CN101187396A (en) * | 2007-11-30 | 2008-05-28 | 洛阳轴研科技股份有限公司 | High speed self-lubricating oily bearing made from powder metallurgical material |
| CN101219476A (en) * | 2008-01-25 | 2008-07-16 | 四川大学 | Process for producing nano-carbon tube reinforced stephanoporate oil-retaining bearing |
| CN101433962A (en) * | 2008-11-24 | 2009-05-20 | 苏州环球链传动有限公司 | Powder metallurgy sleeve for chain and production method |
| CN101576072A (en) * | 2009-06-08 | 2009-11-11 | 扬州保来得科技实业有限公司 | Powder metallurgy compressor unloading shaft sleeve and method for preparing same |
| CN101775521A (en) * | 2010-03-16 | 2010-07-14 | 海安县鹰球集团有限公司 | Ultrahigh rotating speed oil bearing for powder metallurgy and manufacturing method thereof |
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| CN102689013A (en) * | 2012-06-06 | 2012-09-26 | 海安县鹰球集团有限公司 | High-toughness oil-retaining bearing for iron-base power metallurgy and manufacturing method thereof |
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| CN103071800A (en) * | 2012-11-23 | 2013-05-01 | 东睦(江门)粉末冶金有限公司 | Iron-based oil-containing bearing and manufacturing method thereof |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191210 |
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| RJ01 | Rejection of invention patent application after publication |