CN110328295A - A kind of steel is to PTFE fabric self-lubricating rod end spherical plain and its manufacturing method - Google Patents
A kind of steel is to PTFE fabric self-lubricating rod end spherical plain and its manufacturing method Download PDFInfo
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- CN110328295A CN110328295A CN201910660294.3A CN201910660294A CN110328295A CN 110328295 A CN110328295 A CN 110328295A CN 201910660294 A CN201910660294 A CN 201910660294A CN 110328295 A CN110328295 A CN 110328295A
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- rod end
- lower die
- spherical plain
- manufacturing
- inner ring
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D53/00—Making other particular articles
- B21D53/10—Making other particular articles parts of bearings; sleeves; valve seats or the like
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Prostheses (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
- Sliding-Contact Bearings (AREA)
Abstract
The invention discloses a kind of steel to PTFE fabric self-lubricating rod end spherical plain and its manufacturing method, the material of PTFE self-lubricating function is used for extrusion pressing type spherical plain bearing rod end, it is squeezed using half extrusion process, the non-maintaining effect of product is able to achieve by the self-lubrication of PTEF fabric, improve the service life of product, it is limited that it is suitable for spaces, assembly and disassembly trouble, and inconvenient replacement, inconvenience lubrication, the occasion that moment requires, it is compared with assembling fashioned iron to PTFE fabric rod end body oscillating bearing, service performance is the same, it is short to fabricate route, cost is lower, it can flexible modulation clearance or torque.
Description
Technical field
The present invention relates to a kind of steel to PTFE fabric self-lubricating rod end spherical plain and its manufacturing method.
Background technique
Existing steel be all to PTFE fabric self-lubricating rod end spherical plain it is packaging, it is shown in Figure 1 comprising squeeze
T-type plain radial bearing 1 ' and rod end body 2 ' squeeze T-type plain radial bearing (including outer ring 3 ', inner ring 4 ' and liner 5 ')
Manufacturing process: 3 ' → outer ring of first vehicle outer ring inner hole blasting treatment → 5 ' blankings of liner → stickup → precuring → extruding is (referring to fig. 2
Shown, being squeezed using one group of extrusion die 6 ') → solidification → rough turn outer circle → clearance pre-processes → removes residue glue → face work
→ fine turning outer circle, end groove → clearance end processing → fine cylindrical, obtain squeezing T-type plain radial bearing.Pass through the one of Fig. 3 again
Group fit mold 7 ' will squeeze T-type plain radial bearing 1 ' and be pressed into the eyelet of rod end body 2 ', finally by one group of riveting die of Fig. 4
8 ' will squeeze T-type plain radial bearing 1 ' is fixedly connected with rod end body 2 '.This kind assembles fashioned iron to PTFE fabric self-lubricating rod end
The installation step of oscillating bearing is cumbersome, at high cost.
Summary of the invention
It is an object of the invention to overcome the deficiency of the prior art, provides a kind of steel to PTFE fabric self-lubricating rod end joint
Bearing and its manufacturing method.
The present invention solves the first technical solution used by its technical problem:
A kind of steel is to the manufacturing method of PTFE fabric self-lubricating rod end spherical plain, and the steel is to PTFE fabric self-lubricating bar
Holding oscillating bearing includes rod end body, PTFE fabric and inner ring, and the rod end body sets rod end eyelet, the centre of the outer wall of rod end eyelet
Equipped with symmetrical step structure, manufacturing step is as follows:
After S1, rod end eyelet carry out blasting treatment, the hole that the PTFE fabric is pasted onto rod end body is intraocular, then passes through baking
Dry machine carries out padding pre- processing of rising；
S2, rod end body and inner ring are placed in extruding lower die, squeeze lower die and inner ring is socketed in and squeezes on mandrel, rod end
Body rod end is fixed, and is inserted in extruding upper mold, the extruding upper mold and the extruding lower die are mutually symmetrical with, the extruding upper mold and extruding
Lower die is respectively provided with interior step surface, way station terrace and outer end face, and the interior step surface corresponds to the outer end face of the inner ring, described
Intermediate step face corresponds to the outer end face of the rod end body, is set as arc transition between the way station terrace and the outer end face
Face；
S3, it squeezes lower die and squeezes upper mold, deform rod end body, up to the extruding upper mold and squeeze the outer of lower die
End face is closed with the between outer land terrace of the rod end eyelet respectively.
Further include step S4, step S3 can be repeated according to the molding situation of a mould.
Further include step S5, be placed on step S3 or S4 obtained spherical plain bearing rod end in clearance processing lower die, inner ring
It is socketed on clearance processing mandrel, rod end body abuts against on the outer arcuate face of clearance processing lower die, is handled and is molded using clearance
Inner ring pushes up the end face of inner ring onto the interior step surface of clearance processing lower die, uses the another of same method processing rod end body
Face.
The step structure of the outer wall of the rod end eyelet forms circumferential protrusion, and the width of the protrusion is that rod end eyelet is wide
The half of size is spent, the width of the two sides of the protrusion is respectively greater than the half of ledge width.
The inner ring carries out heat treatment in advance and spherical surface plates hard chrome, and heat treatment hardness is 58~62HRC.
The present invention solves second of technical solution used by its technical problem:
A kind of steel made from above-mentioned manufacturing method is to PTFE fabric self-lubricating rod end spherical plain.
The beneficial effects of the present invention are: the present invention is that the material of PTFE self-lubricating function is used for extrusion pressing type rod end joint shaft
It holds, is squeezed using half extrusion process, the non-maintaining effect of product is able to achieve by the self-lubrication of PTEF fabric, improve product
Service life, that it is suitable for spaces is limited, assembly and disassembly trouble, and the occasion that inconvenient replacement, inconvenient lubrication, moment require,
Compared with assembling fashioned iron to PTFE fabric rod end body oscillating bearing, service performance is the same, and processing and manufacturing route is short, and cost is lower, can
Flexible modulation clearance or torque.
Invention is further described in detail with reference to the accompanying drawings and embodiments；But steel of the invention to PTFE fabric from
Lubrication spherical plain bearing rod end and its manufacturing method are not limited to the embodiment.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the existing assembling fashioned iron to PTFE fabric self-lubricating rod end spherical plain.
Fig. 2 is extruding outer ring step schematic diagram of the existing assembling fashioned iron to PTFE fabric self-lubricating rod end spherical plain.
Fig. 3 is press-fitting step schematic diagram of the existing assembling fashioned iron to PTFE fabric self-lubricating rod end spherical plain.
Fig. 4 is staking step schematic diagram of the existing assembling fashioned iron to PTFE fabric self-lubricating rod end spherical plain.
Fig. 5 is the bar before the steel of a preferred embodiment of the invention does not squeeze PTFE fabric self-lubricating rod end spherical plain
Hold the structural schematic diagram of body.
Fig. 6 is structure of the steel to the inner ring of PTFE fabric self-lubricating rod end spherical plain of a preferred embodiment of the invention
Schematic diagram.
Fig. 7 is extruding rod end body of the steel to PTFE fabric self-lubricating rod end spherical plain of a preferred embodiment of the invention
The structural schematic diagram of step.
Fig. 8 is clearance processing step of the steel to PTFE fabric self-lubricating rod end spherical plain of a preferred embodiment of the invention
Rapid structural schematic diagram.
Fig. 9 is structural representation of the steel of a preferred embodiment of the invention to PTFE fabric self-lubricating rod end spherical plain
Figure.
Figure 10 is the structural schematic diagram for squeezing the phenomenon that occurs arching upward.
Specific embodiment
Embodiment, referring to shown in Fig. 5, Fig. 6, steel of the invention includes rod end to PTFE fabric self-lubricating rod end spherical plain
Body 1, PTFE fabric 2 and inner ring 3, the rod end body 1 set rod end eyelet 11, and the centre of the outer wall of rod end eyelet 11 is equipped with symmetrical
Step structure 12, the step structure 12 form circumferential protrusion, and raised 12 width C is 11 width A ruler of rod end eyelet
Very little half, the two sides of protrusion 12 are respectively arc, and width B adds 0.1~0.2mm for the half of raised 12 width, in addition
Part may make end face over-voltage some, guarantee its symmetry, and the inner ring 3 carries out heat treatment in advance and spherical surface plates hard chrome, at heat
Reason hardness is 58~62HRC.
Its manufacturing step is as follows:
After S1, rod end eyelet carry out blasting treatment, the PTFE fabric 2 is pasted onto the eyelet 11 of rod end body 1, then is led to
Dryer is crossed to carry out padding pre- processing of rising；
S2, rod end body 1 and inner ring 3 are placed in extruding lower die 4, squeeze lower die 4 and inner ring 3 is socketed in and squeezes mandrel 5
On, 1 rod end 13 of rod end body is fixed, is inserted in and squeezes upper mold 6, the extruding upper mold 6 and the extruding lower die 4 are mutually symmetrical with, described
It squeezes upper mold 6 and squeezes lower die 4 and be respectively provided with interior step surface, way station terrace and outer end face, described in the interior step surface is corresponding
The outer end face of inner ring 3, the intermediate step face correspond to the outer end face of the rod end body 1, the way station terrace and the outer end
Arc-shaped transitional surface is set as between face；
It is S3, shown in Figure 7, upper mold 6 is squeezed by press machine, deforms rod end body, until the extruding upper mold 6
It is closed respectively with the between outer land terrace of the rod end eyelet 1 with the outer end face for squeezing lower die 4.
S4, according to a mold forming situation, repeat step S3；
It is S5, shown in Figure 8, the obtained spherical plain bearing rod end of step S4 is placed in clearance processing lower die 7, inner ring 3
It is socketed on clearance processing mandrel 8, rod end body 1 abuts against on the outer arcuate face of clearance processing lower die 7, handles upper mold using clearance
9 pressure inner rings 3 push up the end face of inner ring 3 onto the interior step surface of clearance processing lower die 7, are closed using same method processing rod end
The another side of bearings can handle the type chamber of lower die by adjusting clearance, handle out desired clearance or torque.
The above method obtains the steel of Fig. 9 to PTFE fabric self-lubricating rod end spherical plain.
Wherein in step S3, when extruding, the free elongation strain in 1 end face of rod end body so that close to the place not being extruded at
Type is preferable, is not in that centre is arched upward phenomenon (intermediate arched part 9 ' shown in Figure 10), rod end body 1 may make to exist in this way
Contact surface when work between 3 spherical outside surface of inner ring and rod end body 1 increases, even wearing, improves the service life.This is for big cornerite bearing
Performance it is particularly evident, cornerite is bigger, when molding among be not pressed onto that part is easier to arch upward, form the bad influence service life, and lead to
Pressing method of the invention is crossed, can not only eliminate to arch upward can also make molding more preferable, the phenomenon that improving or eliminate axial float,
Achieve the effect that cost greatly reduces as assembling self-lubricating type.
Above-described embodiment is only used to further illustrate a kind of steel of the invention to PTFE fabric self-lubricating rod end spherical plain
And its manufacturing method, but the invention is not limited to embodiments, according to the technical essence of the invention to above embodiments institute
Any simple modification, equivalent change and modification of work, fall within the scope of protection of technical solution of the present invention.
Claims (7)
1. a kind of steel is to the manufacturing method of PTFE fabric self-lubricating rod end spherical plain, it is characterised in that: the steel knits PTFE
Object self-lubricating rod end spherical plain includes rod end body, PTFE fabric and inner ring, and the rod end body sets rod end eyelet, rod end eyelet
The centre of outer wall is equipped with symmetrical step structure, and manufacturing step is as follows:
After S1, rod end eyelet carry out blasting treatment, the hole that the PTFE fabric is pasted onto rod end body is intraocular, then passes through dryer
It carries out padding pre- processing of rising；
S2, rod end body and inner ring are placed in extruding lower die, squeeze lower die and inner ring is socketed in and squeezes on mandrel, rod end body rod
End is fixed, and extruding upper mold is inserted in, and the extruding upper mold and the extruding lower die are mutually symmetrical with, the extruding upper mold and extruding lower die
It is respectively provided with interior step surface, way station terrace and outer end face, the interior step surface corresponds to the outer end face of the inner ring, the centre
Step surface corresponds to the outer end face of the rod end body, is set as arc-shaped transitional surface between the way station terrace and the outer end face；
S3, lower die and extruding upper mold are squeezed, deforms rod end body, until the outer end face of the extruding upper mold and extruding lower die
It is closed respectively with the between outer land terrace of the rod end eyelet.
2. a kind of manufacturing method of the steel according to claim 1 to PTFE fabric self-lubricating rod end spherical plain, feature
It is: further includes step S4, step S3 can be repeated according to the molding situation of a mould.
3. a kind of manufacturing method of the steel according to claim 1 to PTFE fabric self-lubricating rod end spherical plain, feature
It is: further includes step S5, is placed on step S3 obtained spherical plain bearing rod end in clearance processing lower die, inner ring is socketed in trip
Gap is handled on mandrel, and rod end body abuts against on the outer arcuate face of clearance processing lower die, is handled using clearance and is molded inner ring, is made interior
On the end face top of circle to the interior step surface of clearance processing lower die, the another side of same method processing rod end body is used.
4. a kind of manufacturing method of the steel according to claim 2 to PTFE fabric self-lubricating rod end spherical plain, feature
It is: further includes step S5, is placed on step S4 obtained spherical plain bearing rod end in clearance processing lower die, inner ring is socketed in trip
Gap is handled on mandrel, and rod end body abuts against on the outer arcuate face of clearance processing lower die, is handled using clearance and is molded inner ring, is made interior
On the end face top of circle to the interior step surface of clearance processing lower die, the another side of same method processing rod end body is used.
5. a kind of manufacturing method of the steel according to claim 1 to PTFE fabric self-lubricating rod end spherical plain, feature
Be: the step structure of the outer wall of the rod end eyelet forms circumferential protrusion, and the width of the protrusion is rod end eyelet width
The width of the half of size, the two sides of the protrusion is respectively greater than the half of ledge width.
6. a kind of manufacturing method of the steel according to claim 1 to PTFE fabric self-lubricating rod end spherical plain, feature
Be: the inner ring carries out heat treatment in advance and spherical surface plates hard chrome, and heat treatment hardness is 58~62HRC.
7. according to claim 1 to a kind of steel made from 6 any manufacturing methods to PTFE fabric self-lubricating rod end spherical plain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910660294.3A CN110328295B (en) | 2019-07-22 | 2019-07-22 | Steel-to-PTFE fabric self-lubricating rod end joint bearing and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910660294.3A CN110328295B (en) | 2019-07-22 | 2019-07-22 | Steel-to-PTFE fabric self-lubricating rod end joint bearing and manufacturing method thereof |
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| Publication Number | Publication Date |
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| CN110328295A true CN110328295A (en) | 2019-10-15 |
| CN110328295B CN110328295B (en) | 2020-10-20 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110732598A (en) * | 2019-11-29 | 2020-01-31 | 江苏希西维轴承有限公司 | extrusion joint bearing compression molding device and method |
| CN111618222A (en) * | 2020-06-04 | 2020-09-04 | 福建龙溪轴承(集团)股份有限公司 | Integral joint bearing precision forging forming device with flange and forming method thereof |
| CN112303133A (en) * | 2020-10-20 | 2021-02-02 | 八环科技集团股份有限公司 | Assembling process of self-lubricating joint bearing |
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| US3583050A (en) * | 1968-07-19 | 1971-06-08 | Nippon Thompson Co Ltd | Method of the manufacture of a spherical bearing |
| EP1114940A2 (en) * | 2000-01-05 | 2001-07-11 | Minebea Co., Ltd. | A spherical bearing and a manufacturing method thereof |
| CN202185496U (en) * | 2011-06-15 | 2012-04-11 | 中国南方航空工业(集团)有限公司 | Joint bearing flanging device |
| CN202371007U (en) * | 2011-12-23 | 2012-08-08 | 天津市宝坻区东亚光大地毯厂 | High-speed rod end joint bearing |
| CN206216600U (en) * | 2016-10-19 | 2017-06-06 | 中航飞机股份有限公司西安飞机分公司 | A kind of oscillating bearing installation mold |
| CN107498303A (en) * | 2017-07-31 | 2017-12-22 | 成都飞机工业（集团）有限责任公司 | A kind of oscillating bearing assembling guide-localization riveting device and assembly method |
| CN208997175U (en) * | 2018-10-31 | 2019-06-18 | 福建龙溪轴承(集团)股份有限公司 | A kind of aluminium alloy oscillating bearing and self-lubricating knuckle bearing |
| CN209006993U (en) * | 2018-11-23 | 2019-06-21 | 大连交通大学 | Monoblock type oscillating bearing extrusion forming device |
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2019
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3583050A (en) * | 1968-07-19 | 1971-06-08 | Nippon Thompson Co Ltd | Method of the manufacture of a spherical bearing |
| EP1114940A2 (en) * | 2000-01-05 | 2001-07-11 | Minebea Co., Ltd. | A spherical bearing and a manufacturing method thereof |
| CN202185496U (en) * | 2011-06-15 | 2012-04-11 | 中国南方航空工业(集团)有限公司 | Joint bearing flanging device |
| CN202371007U (en) * | 2011-12-23 | 2012-08-08 | 天津市宝坻区东亚光大地毯厂 | High-speed rod end joint bearing |
| CN206216600U (en) * | 2016-10-19 | 2017-06-06 | 中航飞机股份有限公司西安飞机分公司 | A kind of oscillating bearing installation mold |
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| CN209006993U (en) * | 2018-11-23 | 2019-06-21 | 大连交通大学 | Monoblock type oscillating bearing extrusion forming device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110732598A (en) * | 2019-11-29 | 2020-01-31 | 江苏希西维轴承有限公司 | extrusion joint bearing compression molding device and method |
| CN111618222A (en) * | 2020-06-04 | 2020-09-04 | 福建龙溪轴承(集团)股份有限公司 | Integral joint bearing precision forging forming device with flange and forming method thereof |
| CN112303133A (en) * | 2020-10-20 | 2021-02-02 | 八环科技集团股份有限公司 | Assembling process of self-lubricating joint bearing |
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