CN109505871B - Bearing seat retainer - Google Patents
Bearing seat retainer Download PDFInfo
- Publication number
- CN109505871B CN109505871B CN201811517060.5A CN201811517060A CN109505871B CN 109505871 B CN109505871 B CN 109505871B CN 201811517060 A CN201811517060 A CN 201811517060A CN 109505871 B CN109505871 B CN 109505871B
- Authority
- CN
- China
- Prior art keywords
- guard ring
- hole
- ring body
- retainer
- bearing seat
- 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.)
- Active
Links
- 238000000227 grinding Methods 0.000 claims abstract description 15
- 238000005266 casting Methods 0.000 claims abstract description 5
- 238000003801 milling Methods 0.000 claims abstract description 5
- 238000003754 machining Methods 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims description 4
- 238000012797 qualification Methods 0.000 abstract description 5
- 230000001681 protective effect Effects 0.000 description 10
- 230000007547 defect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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
- F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- 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
- F16C2220/00—Shaping
- F16C2220/02—Shaping by casting
-
- 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
- F16C2220/00—Shaping
- F16C2220/60—Shaping by removing material, e.g. machining
- F16C2220/62—Shaping by removing material, e.g. machining by turning, boring, drilling
-
- 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
- F16C2220/00—Shaping
- F16C2220/60—Shaping by removing material, e.g. machining
- F16C2220/66—Shaping by removing material, e.g. machining by milling
-
- 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
- F16C2220/00—Shaping
- F16C2220/60—Shaping by removing material, e.g. machining
- F16C2220/70—Shaping by removing material, e.g. machining by grinding
Abstract
The invention relates to a bearing seat guard ring, which comprises a ring-shaped guard ring body, wherein 20 degrees+/-2 degrees of flaring are arranged at openings at two ends of a central hole of the guard ring body, an inward circle of groove is arranged on the central line of an outer ring of the guard ring body, and four V-shaped grooves which are arranged in a cross manner are arranged on one surface of the guard ring body; the processing flow of the bearing seat retainer is as follows: step one: casting; step two: rough turning the front surface; step three: rough turning the back surface; step four: rough grinding of an outer circle; step five: finish turning and forming; step six: milling; step seven: and grinding the end face. The bearing seat retainer has the advantages of higher machining efficiency and higher qualification rate of parts.
Description
Technical Field
The invention relates to a bearing seat retainer, which is mainly applied to engineering hydraulic equipment.
Background
The main function of the bearing seat retainer is as follows: the bearing is used for enabling the shaft to run along the circumference and supporting the shaft, the conventional usage is two bearings or more than two bearings, the function is to enable the shaft to run normally, the bearing seat guard ring is used for supporting the outer ring of the bearing, only the inner ring rotates, the outer ring keeps motionless and keeps consistent with the driving direction (such as the running direction of a motor) all the time, and keeps balance, the bearing is an important part in the modern engineering hydraulic equipment, the function is to support the mechanical rotating body, the friction coefficient in the movement process is reduced, the rotation precision is ensured, and the function is required to be realized through the bearing seat guard ring, so the bearing seat guard ring is an important part of the engineering hydraulic equipment.
The bearing seat guard ring is required to have the actual functions of parts, has the advantages of convenient installation, smooth lubrication and the like, and has particularly high precision requirement.
The traditional processing flow is as follows:
step one: casting
Step two: one end of rough turning
Step three: rough turning the other end
Step four: rough grinding of outer circle
Step five: finish turning one end
Step six: finish turning the other end
Step seven: milling process
Step eight: grinding end face
Step nine: and (5) grinding an outer circle.
The grinding wheel is required to be repaired into the outline structure of the bearing seat guard ring, and the large excircle, the bevel edge and the round angle are ground and formed together during grinding.
Therefore, the traditional bearing seat retainer has the defect of lower machining efficiency and lower qualification rate of parts.
Disclosure of Invention
The invention aims to overcome the defects and provide the bearing seat retainer with higher processing efficiency and qualification rate of parts.
The purpose of the invention is realized in the following way:
a bearing seat guard ring comprises a ring-shaped guard ring body, wherein the openings at two ends of a central hole of the guard ring body are provided with 20 degrees+/-2 degrees of flares, the central line of an outer ring of the guard ring body is provided with an inward ring of grooves,
four V-shaped grooves which are arranged in a cross manner are formed in one surface of the guard ring body;
the novel protective ring comprises a protective ring body, and is characterized in that a first through hole is formed in the groove at the top of the protective ring body inwards to the inner wall of the protective ring body, a second through hole is formed in the front upper section of the protective ring body towards the back, the second through hole is communicated to the first through hole, a third through hole is formed in the front upper right section of the protective ring body towards the back, a sunken step is formed in the protective ring body at the front end of the third through hole, a fourth through hole is formed in the front lower left section of the protective ring body towards the back, and a fifth through hole is formed in the groove at the right lower part of the protective ring body inwards to the inner wall of the protective ring body.
As one preferable, the depth of the V-shaped groove is 0.48.+ -. 0.28mm, and the width of the V-shaped groove is 4.7.+ -. 1.14mm.
Preferably, the outer diameter of the retainer body isThe inner diameter of the inner hole of the guard ring body is +.>
Preferably, the retainer body has a thickness of 36.3±0.02.
Preferably, the inner diameter of the opening at the two ends of the central hole of the retainer body is
Preferably, the width of the groove 102 is 30mm, and the outer diameter of the deepest groove is
As a preferred embodiment, a bearing housing retainer is manufactured as follows:
step one: casting
Step two: rough turning front
Step three: rough turning back
Step four: rough grinding of outer circle
Step five: finish turning forming
The process requires the use of a precision chuck, and during machining, an inner hole, an outer circle and a bevel edge on the outer circle are directly finish-turned in place, the rotating speed of a finish-turned V-shaped groove workpiece is 2400 revolutions per minute, f=220 mm per minute of feeding is performed, and the service life of a cutter is 180 pieces per handle; finish turning the excircle workpiece at a rotating speed of 2000 revolutions per minute, feeding f=120 mm per minute, and prolonging the service life of 180 pieces per handle; finish turning an inner hole workpiece, wherein the rotating speed of the inner hole workpiece is 2200 rpm, the feeding f=200 mm/min, and the service life of the cutter is 180 pieces/handle;
step six: milling process
Step seven: and grinding the end face.
Compared with the prior art, the invention has the beneficial effects that:
1. the inner hole and the outer circle are formed by one-step processing, so that the position degree of the outer circle to the inner hole is guaranteed to be 0.008, the qualification rate of parts is improved, and scrapping is reduced by about 20%;
2. the processing flow is reduced, the original 9 steps are shortened to 7 steps, and the processing efficiency is improved by about 20%;
3. the grinding wheel is replaced by turning, so that the waste of the grinding wheel is avoided, and the production cost is reduced by about 5%.
Therefore, the bearing seat retainer has the advantages of higher processing efficiency and higher qualification rate of parts.
Drawings
Fig. 1 is a perspective view of a bearing housing retainer.
Fig. 2 is a front view of a bearing housing retainer.
Fig. 3 is a top view of a bearing retainer.
Fig. 4 is a cross-sectional view A-A of fig. 2.
Wherein:
the retainer body 101, the groove 102, the V-shaped groove 103, the second through hole 104, the third through hole 105, the fourth through hole 106, the fifth through hole 107, the first through hole 108, and the step 109.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-4, the present invention relates to a bearing seat retainer, which comprises a ring-shaped retainer body 101, wherein the outer diameter of the retainer body 101 isThe inner diameter of the inner hole of the retainer body 101 isThe retainer body 101 has a thickness of 36.3 + 0.02,
the inner diameter of the opening at the two ends of the central hole of the retainer body 101 isThe two ends of the central hole of the guard ring body 101 are provided with 20 degrees plus or minus 2 degrees of flaring, the central line of the outer ring of the guard ring body 101 is provided with an inward ring of grooves 102, the width of the grooves 102 is 30mm, and the outer diameter of the deepest part of the grooves 102 is
Four V-shaped grooves 103 are arranged in a cross shape on one surface of the retainer body 101, the depth of the V-shaped grooves 103 is 0.48+/-0.28 mm, and the width of the V-shaped grooves 103 is 4.7+/-1.14 mm.
The groove 102 at the top of the retainer body 101 is internally provided with a first through hole 108 to the inner wall of the retainer body 101, the front upper section of the retainer body 101 is provided with a second through hole 104 to the back, the second through hole 104 is communicated to the first through hole 108, the front right upper section of the retainer body 101 is provided with a third through hole 105 to the back, the retainer body 101 at the front end of the third through hole 105 is provided with a concave step 109, the front left lower section of the retainer body is provided with a fourth through hole 106 to the back, and the groove 102 at the right lower part of the retainer body 101 is internally provided with a fifth through hole 107 to the inner wall of the retainer body 101.
The processing flow of the bearing seat retainer is as follows:
step one: casting
Step two: rough turning front
Step three: rough turning back
Step four: rough grinding of outer circle
Step five: finish turning forming
The process requires the use of precision chucks, which directly machine the inner bore, outer circle and beveled edges on the outer circle. Finish turning the round corners in place, finish turning the workpiece with the V-shaped groove at the rotating speed of 2400 revolutions per minute, feeding f=220 mm per minute, and prolonging the service life of 180 parts per handle; finish turning the excircle workpiece at a rotating speed of 2000 revolutions per minute, feeding f=120 mm per minute, and prolonging the service life of 180 pieces per handle; finish turning the inner hole workpiece at a rotating speed of 2200 rpm, feeding f=200mm/min and prolonging the service life of 180 pieces/handle.
Step six: milling process
Step seven: and grinding the end face.
The foregoing is merely a specific application example of the present invention, and the protection scope of the present invention is not limited in any way. All technical schemes formed by equivalent transformation or equivalent substitution fall within the protection scope of the invention.
Claims (6)
1. A bearing seat guard ring is characterized by comprising a ring-shaped guard ring body, wherein the openings at two ends of a central hole of the guard ring body are provided with 20 degrees+/-2 degrees of flaring, the central line of an outer ring of the guard ring body is provided with an inward ring of groove,
four V-shaped grooves which are arranged in a cross manner are formed in one surface of the guard ring body;
the groove at the top of the guard ring body is internally provided with a first through hole to the inner wall of the guard ring body, the front upper section of the guard ring body is provided with a second through hole to the back, the second through hole is communicated with the first through hole, the front upper right section of the guard ring body is provided with a third through hole to the back, the guard ring body at the front end of the third through hole is provided with a sunken step, the front lower left section of the guard ring body is provided with a fourth through hole to the back, and the groove at the right lower part of the guard ring body is internally provided with a fifth through hole to the inner wall of the guard ring body;
the processing flow of the bearing seat retainer is as follows:
step one: casting
Step two: rough turning front
Step three: rough turning back
Step four: rough grinding of outer circle
Step five: finish turning forming
The process requires the use of a precision chuck, and during machining, an inner hole, an outer circle and a bevel edge on the outer circle are directly finish-turned in place, the rotating speed of a finish-turned V-shaped groove workpiece is 2400 revolutions per minute, f=220 mm per minute of feeding is performed, and the service life of a cutter is 180 pieces per handle; finish turning the excircle workpiece at a rotating speed of 2000 revolutions per minute, feeding f=120 mm per minute, and prolonging the service life of 180 pieces per handle; finish turning an inner hole workpiece, wherein the rotating speed of the inner hole workpiece is 2200 rpm, the feeding f=200 mm/min, and the service life of the cutter is 180 pieces/handle;
step six: milling process
Step seven: and grinding the end face.
2. A bearing seat retainer as claimed in claim 1 wherein the V-groove has a depth of 0.48 ± 0.28mm and a width of 4.7 ± 1.14mm.
3. A bearing housing retainer according to claim 1, wherein the outer diameter of the retainer body is ∅ 93.411 ±0.01mm and the inner diameter of the inner bore of the retainer body is ∅ 69.044 ±0.015mm.
4. A bearing seat retainer as defined in claim 1, wherein said retainer body has a thickness of 36.3±0.02mm.
5. A bearing seat retainer as defined in claim 1, wherein said retainer body has an inner diameter of ∅ 69.484 ±0.1mm at openings at both ends of said center hole.
6. A bearing seat retainer as claimed in claim 1 wherein the groove has a width of 30mm and an outer diameter of ∅ 91.3.91.3±0.15mm at the deepest part of the groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811517060.5A CN109505871B (en) | 2018-12-12 | 2018-12-12 | Bearing seat retainer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811517060.5A CN109505871B (en) | 2018-12-12 | 2018-12-12 | Bearing seat retainer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109505871A CN109505871A (en) | 2019-03-22 |
| CN109505871B true CN109505871B (en) | 2023-10-31 |
Family
ID=65752414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811517060.5A Active CN109505871B (en) | 2018-12-12 | 2018-12-12 | Bearing seat retainer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109505871B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003095855A1 (en) * | 2002-05-14 | 2003-11-20 | Koyo Seiko Co., Ltd. | Method of producing bearing raceway member |
| CN104493444A (en) * | 2014-12-25 | 2015-04-08 | 苏州敏喆机械有限公司 | Manufacturing process of jacket in PA66 (polyamide 66) component of spinning box body |
| CN104999225A (en) * | 2015-06-30 | 2015-10-28 | 柳州市邕达工配厂 | Bearing bush machining process |
| CN105269274A (en) * | 2015-12-07 | 2016-01-27 | 衡阳风顺车桥有限公司 | Automobile bearing retainer production technology |
| CN106624645A (en) * | 2016-12-21 | 2017-05-10 | 无锡易通精密机械股份有限公司 | Machining technology for bearing ring |
| CN106826117A (en) * | 2017-01-22 | 2017-06-13 | 常州轻工职业技术学院 | A kind of processing method of precision bearing seat |
| CN107116347A (en) * | 2017-07-05 | 2017-09-01 | 泰州市东方传动技术有限公司 | A kind of processing technology of insertion axle |
-
2018
- 2018-12-12 CN CN201811517060.5A patent/CN109505871B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003095855A1 (en) * | 2002-05-14 | 2003-11-20 | Koyo Seiko Co., Ltd. | Method of producing bearing raceway member |
| CN104493444A (en) * | 2014-12-25 | 2015-04-08 | 苏州敏喆机械有限公司 | Manufacturing process of jacket in PA66 (polyamide 66) component of spinning box body |
| CN104999225A (en) * | 2015-06-30 | 2015-10-28 | 柳州市邕达工配厂 | Bearing bush machining process |
| CN105269274A (en) * | 2015-12-07 | 2016-01-27 | 衡阳风顺车桥有限公司 | Automobile bearing retainer production technology |
| CN106624645A (en) * | 2016-12-21 | 2017-05-10 | 无锡易通精密机械股份有限公司 | Machining technology for bearing ring |
| CN106826117A (en) * | 2017-01-22 | 2017-06-13 | 常州轻工职业技术学院 | A kind of processing method of precision bearing seat |
| CN107116347A (en) * | 2017-07-05 | 2017-09-01 | 泰州市东方传动技术有限公司 | A kind of processing technology of insertion axle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109505871A (en) | 2019-03-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 214416 Jiangsu city of Wuxi province Jiangyin City Wenlin Zhutang Town Ring Road No. 11 Applicant after: Wuxi Yingbei Precision Hydraulic Co.,Ltd. Address before: 214416 Jiangsu city of Wuxi province Jiangyin City Wenlin Zhutang Town Ring Road No. 11 Applicant before: WUXI YINGBEI PRECISION BEARING Co.,Ltd. |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |