CN114857180A - Ball bearing with locating sleeve structure and manufacturing method thereof - Google Patents

Ball bearing with locating sleeve structure and manufacturing method thereof Download PDF

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Publication number
CN114857180A
CN114857180A CN202210466689.1A CN202210466689A CN114857180A CN 114857180 A CN114857180 A CN 114857180A CN 202210466689 A CN202210466689 A CN 202210466689A CN 114857180 A CN114857180 A CN 114857180A
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CN
China
Prior art keywords
ball
outer ring
bearing
ring body
sleeve
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Pending
Application number
CN202210466689.1A
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Chinese (zh)
Inventor
黄加传
黄加盛
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Shenzhen Kaleson Precision Mechanical Co ltd
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Shenzhen Kaleson Precision Mechanical Co ltd
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Priority to CN202210466689.1A priority Critical patent/CN114857180A/en
Publication of CN114857180A publication Critical patent/CN114857180A/en
Pending legal-status Critical Current

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    • 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
    • F16C43/00—Assembling bearings
    • F16C43/04—Assembling rolling-contact bearings
    • F16C43/06—Placing rolling bodies in cages or bearings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/02—Compacting only
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/10—Sintering only
    • B22F3/1003—Use of special medium during sintering, e.g. sintering aid
    • B22F3/1007—Atmosphere
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/24—After-treatment of workpieces or articles
    • B22F3/26—Impregnating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
    • B22F5/10—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of articles with cavities or holes, not otherwise provided for in the preceding subgroups
    • 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
    • B23P15/003—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass bearings
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/16—Ferrous alloys, e.g. steel alloys containing copper
    • 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
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/32—Balls
    • 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
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/38—Ball cages
    • F16C33/41—Ball cages comb-shaped
    • F16C33/412—Massive or moulded comb cages, e.g. snap ball cages
    • F16C33/414—Massive or moulded comb cages, e.g. snap ball cages formed as one-piece cages, i.e. monoblock comb cages
    • 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
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/38—Ball cages
    • F16C33/44—Selection of substances
    • 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
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/58—Raceways; Race rings
    • F16C33/62—Selection of substances
    • 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
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/58—Raceways; Race rings
    • F16C33/64—Special methods of manufacture
    • 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
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/66—Special parts or details in view of lubrication
    • F16C33/6603—Special parts or details in view of lubrication with grease as lubricant
    • F16C33/6629—Details of distribution or circulation inside the bearing, e.g. grooves on the cage or passages in the rolling elements
    • 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
    • F16C33/72—Sealings
    • F16C33/76—Sealings of ball or roller bearings
    • F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
    • F16C33/7803—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members suited for particular types of rolling bearings
    • F16C33/7806—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members suited for particular types of rolling bearings for spherical roller bearings
    • 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
    • F16C37/00—Cooling of bearings
    • F16C37/007—Cooling of bearings of rolling bearings

Abstract

The invention discloses a ball bearing with a locating sleeve structure and a manufacturing method thereof, the ball bearing comprises a bearing outer ring, a locating sleeve, a bearing inner ring and ball bodies, a ball retainer is fixedly arranged in a mounting groove, a plurality of ball hole sites are arranged on the surface of the ball retainer, the plurality of ball hole sites are movably connected with the corresponding ball bodies, a limiting sleeve is jointed and connected with the inner part of the bearing inner ring, a plurality of annularly distributed limiting convex strips are fixedly arranged at the inner ring of the limiting sleeve, annularly distributed connecting locating grooves are fixedly arranged on the surface of the locating sleeve, the bearing outer ring consists of a first outer ring body and a second outer ring body, and the first outer ring body and the second outer ring body are welded and connected The structures such as the key slot, the limiting sleeve and the limiting convex strip are assembled, so that the positioning sleeve is convenient to assemble and disassemble, and the stability is ensured.

Description

Ball bearing with locating sleeve structure and manufacturing method thereof
Technical Field
The invention relates to a ball bearing, in particular to a ball bearing with a locating sleeve structure and a manufacturing method thereof, and belongs to the technical field of ball bearings.
Background
The ball bearing is one kind of rolling bearing, and has spherical alloy steel balls installed between the inner steel ring and the outer steel ring to reduce friction force and raise the mechanical power transmission efficiency. Ball bearings cannot withstand large heavy loads and are common in light industrial machinery. Ball bearings, also known as ball bearings, are commonly used in low load mechanical transmission equipment. Because the bearing area of the ball bearing is small, serious mechanical damage is easy to occur under the condition of high-speed operation, a roller pin type bearing is often adopted in heavy-load mechanical transmission to enlarge the bearing surface, improve the mechanical transmission efficiency and reduce the mechanical damage.
The existing ball bearing is short of a locating sleeve, cannot meet the requirements for installation of different output shafts, and reduces the application range of the ball bearing.
Disclosure of Invention
The present invention is directed to a ball bearing with a retainer structure and a method for manufacturing the same, which solves the above problems.
In order to achieve the purpose, the invention provides the following technical scheme: a ball bearing with a locating sleeve structure comprises a bearing outer ring, a locating sleeve, a bearing inner ring and a ball body, wherein a ball movable track is fixedly arranged at the inner ring of the bearing outer ring, a mounting groove is fixedly arranged at the middle part of the bearing inner ring, a ball retainer is fixedly arranged inside the mounting groove, a plurality of ball hole sites are formed in the surface of the ball retainer and are movably connected with the corresponding ball body, a limiting sleeve is connected to the inner part of the bearing inner ring in an attaching mode, a plurality of limiting convex strips distributed in an annular mode are fixedly arranged at the inner ring of the limiting sleeve, connecting locating grooves distributed in an annular mode are fixedly formed in the surface of the locating sleeve and correspond to the limiting convex strips, the bearing outer ring is composed of a first outer ring body and a second outer ring body, and the first outer ring body and the second outer ring body are welded and connected with each other, the water-cooling type aluminum alloy outer ring comprises a first outer ring body, a second outer ring body and a water storage channel, wherein water-cooling flow channels are formed in the surface of the first outer ring body and the surface of the second outer ring body, semi-sealed ports are formed in the tops and the bottoms of the two water-cooling flow channels, hollow aluminum rings are fixedly arranged at the welding joints of the first outer ring body and the second outer ring body, a water inlet port and a water outlet port are respectively arranged at the tops and the bottoms of the hollow aluminum rings, the liquid storage channel is formed in the hollow aluminum rings, and the liquid storage channel is communicated with the water-cooling flow channels through the corresponding semi-sealed ports.
According to a preferable technical scheme of the invention, two ends of the bearing inner ring are fixedly provided with limiting clamp rings, and a left sealing cover and a right sealing cover are respectively assembled at clamping grooves of the two limiting clamp rings.
According to a preferable technical scheme of the invention, annular oil grooves are formed in the inner surface of the left sealing cover and the inner surface of the right sealing cover, four straight flow grooves distributed annularly are formed in the middle of the left sealing cover and the middle of the right sealing cover, and the four straight flow grooves are communicated with one corresponding annular oil groove.
As a preferable technical scheme of the invention, the surfaces of the two annular oil grooves are movably connected with oil-proof films.
As a preferable technical scheme of the invention, one end of the limiting sleeve is fixedly provided with two symmetrical assembling key slots, the top and the bottom of the positioning sleeve are both provided with flat-head keys, and the flat-head keys correspond to the assembling key slots.
In a preferred embodiment of the present invention, a ratio of the width of the first outer ring body to the width of the second outer ring body is 3.5: 6.5.
As a preferred technical scheme of the invention, two corresponding semi-sealed ports are combined into a corresponding sealed port, the two sealed ports are respectively communicated with a liquid storage channel, the two water-cooled runners are combined into an annular runner, and the annular runner is communicated with the sealed port.
As a preferred technical scheme of the invention, the positioning sleeve comprises the following components in percentage by weight:
93.5-95.0% of iron element powder, 0.2-1.5% of carbon element powder, 1.0-4.0% of copper element powder, 0.2-0.8% of manganese sulfide element powder and 0.9-1.8% of silicon element powder.
As a preferred aspect of the present invention, a method for manufacturing a ball bearing having a cage structure, includes the steps of:
s1: respectively pouring a first outer ring body, a second outer ring body, a bearing inner ring, a ball movable track, a ball retainer and a ball body by the conventional metal pouring process;
s2: mixing iron element powder, carbon element powder, copper element powder, manganese sulfide element powder and silicon element powder to obtain mixed powder; putting the mixed powder into a die for compression molding to obtain a pressed blank; sintering the pressed blank in an N reducing atmosphere, cooling to obtain an alloy sintered body, and pressing and shaping the alloy sintered body by using a pressing die to obtain a pressing piece; putting the pressing piece into a vacuum oil immersion machine for oil immersion treatment to obtain a positioning sleeve;
s3: the ball retainer is provided with a ball hole position, the ball body is polished smoothly and assembled and is connected with the mounting groove of the bearing inner ring, and the limiting clamp rings at the two ends of the bearing inner ring are respectively provided with a left sealing cover and a right sealing cover; lubricating grease is respectively stored in the annular oil grooves of the left sealing cover and the right sealing cover and is sealed through an oil-proof film;
s4: the surfaces of the first outer ring body and the second outer ring body are provided with a water cooling flow channel and a semi-sealed port communicated with the water cooling flow channel, the first outer ring body and the second outer ring body are welded in a combined mode, a welding seam is shielded by a hollow aluminum ring, a liquid storage channel is communicated with a sealed port formed by the semi-sealed port in a combined mode, the inner ring of the bearing is communicated with the ball body through a ball movable track, and therefore assembly of the ball bearing can be completed.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the ball bearing with the locating sleeve structure and the manufacturing method thereof, the locating sleeve matched with the output assembly can be selected according to actual requirements through the locating sleeve, the connecting locating groove, the flat-end key, the assembling key groove, the limiting sleeve and the limiting convex strip, the installation of different output shafts can be met, the application range of the ball bearing can be enlarged, the structures of the connecting locating groove, the flat-end key, the assembling key groove, the limiting sleeve, the limiting convex strip and the like are adopted, the assembling and the disassembling of the locating sleeve are convenient, and the stability is ensured.
2. According to the ball bearing with the locating sleeve structure and the manufacturing method thereof, the bearing outer ring is divided into the first outer ring body and the second outer ring body to be welded and assembled, the water-cooling flow channel and the semi-sealing port are formed and communicated with the liquid storage channel of the hollow aluminum ring, so that continuously flowing cooling liquid can be conveniently introduced in the using process, the cooling effect is guaranteed, heat is rapidly and effectively dissipated, and the practicability is high.
3. According to the ball bearing with the locating sleeve structure and the manufacturing method thereof, a certain amount of lubricating grease can be stored through the oil-proof film, the annular oil groove and the straight flow groove, so that the lubricating effect is ensured, and the service life of the ball bearing is prolonged.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an exploded plan view of FIG. 1 in accordance with the present invention;
FIG. 3 is a schematic view of the butt joint of the locating sleeve and the bearing inner ring of the present invention;
FIG. 4 is an exploded view of the outer race of the bearing of the present invention;
FIG. 5 is a schematic structural view of a hollow aluminum ring according to the present invention;
fig. 6 is a schematic view of the right sealing cap according to the present invention.
In the figure: 1. a bearing outer race; 2. a right side sealing cover; 3. a positioning sleeve; 4. a hollow aluminum ring; 5. a water inlet port; 6. a bearing inner race; 7. mounting grooves; 8. a limiting clamp ring; 9. a first outer ring body; 10. a second outer ring body; 11. a ball moving track; 12. a ball retainer; 13. a ball hole position; 14. a left side sealing cover; 15. a ball body; 16. a water-cooling flow channel; 17. a semi-sealed port; 18. an oil-repellent film; 19. an annular oil groove; 20. a straight flow groove; 21. connecting the positioning groove; 22. a flat key; 23. assembling a key groove; 24. a limiting sleeve; 25. limiting convex strips; 26. a liquid storage channel; 27. and a water outlet port.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a ball bearing with a locating sleeve structure and a manufacturing method thereof, wherein the ball bearing comprises:
according to the drawings of fig. 1-6, the bearing outer ring comprises a bearing outer ring 1, a positioning sleeve 3, a bearing inner ring 6 and ball bodies 15, wherein a ball movable track 11 is fixedly arranged at the inner ring of the bearing outer ring 1, a mounting groove 7 is fixedly arranged at the middle part of the bearing inner ring 6, a ball retainer 12 is fixedly arranged inside the mounting groove 7, a plurality of ball hole sites 13 are arranged on the surface of the ball retainer 12, the plurality of ball hole sites 13 are movably connected with the corresponding ball bodies 15, a limiting sleeve 24 is attached and connected at the inner part of the bearing inner ring 6, a plurality of limiting convex strips 25 distributed in an annular shape are fixedly arranged at the inner ring of the limiting sleeve 24, a connecting positioning groove 21 distributed in an annular shape is fixedly arranged on the surface of the positioning sleeve 3, the connecting positioning groove 21 corresponds to the limiting convex strips 25, the bearing outer ring 1 comprises a first outer ring body 9 and a second outer ring body 10, the first outer ring body 9 and the second outer ring body 10 are welded and connected, the surface of first outer ring 9 and the surface of second outer ring body 10 have all seted up water-cooling runner 16, the top and the bottom of two water-cooling runners 16 all are equipped with semi-tight port 17, first outer ring 9 and the fixed hollow aluminium ring 4 that is equipped with in second outer ring body 10 weld joint department, water inlet port 5 and water outlet port 27 are installed respectively to the top and the bottom of hollow aluminium ring 4, stock solution passageway 26 has been seted up to the inside of hollow aluminium ring 4, stock solution passageway 26 communicates with water-cooling runner 16 through the semi-tight port 17 that corresponds.
The two ends of the bearing inner ring 6 are fixedly provided with limiting clamp rings 8, the clamping grooves of the two limiting clamp rings 8 are respectively provided with a left sealing cover 14 and a right sealing cover 2, the inner surface of the left sealing cover 14 and the inner surface of the right sealing cover 2 are respectively provided with an annular oil groove 19, the middle part of the left sealing cover 14 and the middle part of the right sealing cover 2 are respectively provided with four direct current grooves 20 distributed annularly, the four direct current grooves 20 are communicated with the corresponding annular oil groove 19, the surfaces of the two annular oil grooves 19 are respectively movably connected with an oil-proof film 18 which can store a certain amount of lubricating grease, the lubricating effect is ensured, the service life of the ball bearing is prolonged, meanwhile, the left sealing cover 14 and the right sealing cover 2 play a role in sealing, one end of a limiting sleeve 24 is fixedly provided with two symmetrical assembling key grooves 23, the top and the bottom of a positioning sleeve 3 are respectively provided with a flat key 22, the flat key 22 corresponds to the assembling key grooves 23, the ratio of the width of the first outer ring body 9 to the width of the second outer ring body 10 is 3.5:6.5, matching is facilitated according to actual size parameters, two corresponding semi-sealing ports 17 are combined into corresponding sealing ports which are respectively communicated with the liquid storage channel 26, the two water-cooling channels 16 are combined into an annular channel, and the annular channel is communicated with the sealing ports, so that the flowing sealing performance of cooling liquid is guaranteed.
The positioning sleeve 3 comprises the following components in percentage by weight:
93.5-95.0% of iron element powder, 0.2-1.5% of carbon element powder, 1.0-4.0% of copper element powder, 0.2-0.8% of manganese sulfide element powder and 0.9-1.8% of silicon element powder, and has good wear resistance, tensile precision and strong practicability.
A manufacturing method of a ball bearing with a locating sleeve structure comprises the following steps:
s1: respectively casting a first outer ring body 9, a second outer ring body 10, a bearing inner ring 6, a ball movable track 11, a ball retainer 12 and a ball body 15 by the existing metal casting process;
s2: mixing iron element powder, carbon element powder, copper element powder, manganese sulfide element powder and silicon element powder to obtain mixed powder; putting the mixed powder into a die for compression molding to obtain a pressed blank; sintering the pressed blank in an N reducing atmosphere, cooling to obtain an alloy sintered body, and pressing and shaping the alloy sintered body by using a pressing die to obtain a pressing piece; putting the pressing piece into a vacuum oil immersion machine for oil immersion treatment to obtain a positioning sleeve 3;
s3: the ball retainer 12 is provided with a ball hole position 13, the ball body 15 is polished smoothly and assembled and is connected with the mounting groove 7 of the bearing inner ring 6, and the limiting clamp rings 8 at the two ends of the bearing inner ring 6 are respectively provided with a left sealing cover 14 and a right sealing cover 2; lubricating grease is respectively stored in annular oil grooves 19 of the left sealing cover 14 and the right sealing cover 2 and is sealed through an oil-proof film 18;
s4: the surfaces of the first outer ring body 9 and the second outer ring body 10 are provided with a water cooling flow channel 16 and a semi-sealed port 17 communicated with the water cooling flow channel 16, the first outer ring body 9 and the second outer ring body 10 are welded in a combined mode, a welding seam is shielded by utilizing the hollow aluminum ring 4, a sealed opening formed by combining the liquid storage channel 26 and the semi-sealed port 17 is communicated, the bearing inner ring 6 is communicated with the ball body 15 through the ball movable track 11, and then the assembly of the ball bearing can be completed.
When the ball bearing with the locating sleeve structure is used, the first outer ring body 9, the second outer ring body 10, the bearing inner ring 6, the ball movable track 11, the ball retainer 12 and the ball body 15 are respectively poured through the existing metal pouring process; mixing iron element powder, carbon element powder, copper element powder, manganese sulfide element powder and silicon element powder to obtain mixed powder; putting the mixed powder into a die for compression molding to obtain a pressed blank; sintering the pressed blank in an N reducing atmosphere, cooling to obtain an alloy sintered body, and pressing and shaping the alloy sintered body by using a pressing die to obtain a pressing piece; putting the pressing piece into a vacuum oil immersion machine for oil immersion treatment to obtain a positioning sleeve 3; the ball retainer 12 is provided with a ball hole position 13, the ball body 15 is polished smoothly and assembled and is connected with the mounting groove 7 of the bearing inner ring 6, and the limiting clamp rings 8 at the two ends of the bearing inner ring 6 are respectively provided with a left sealing cover 14 and a right sealing cover 2; lubricating grease is respectively stored in annular oil grooves 19 of the left sealing cover 14 and the right sealing cover 2 and is sealed through an oil-proof film 18; the surfaces of the first outer ring body 9 and the second outer ring body 10 are provided with a water cooling flow channel 16 and a semi-sealed port 17 communicated with the water cooling flow channel 16, the first outer ring body 9 and the second outer ring body 10 are welded in a combined mode, a welding seam is shielded by utilizing the hollow aluminum ring 4, a sealed opening formed by combining the liquid storage channel 26 and the semi-sealed port 17 is communicated, the bearing inner ring 6 is communicated with the ball body 15 through the ball movable track 11, and then the assembly of the ball bearing can be completed.
In the description of the present invention, it is to be understood that the indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings and are only for convenience in describing the present invention and simplifying the description, but are not intended to indicate or imply that the indicated devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the present invention.
In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly attached, detachably attached, or integrated; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (9)

1. The ball bearing with the locating sleeve structure comprises a bearing outer ring (1), a locating sleeve (3), a bearing inner ring (6) and ball bodies (15), and is characterized in that a ball movable track (11) is fixedly arranged at the inner ring of the bearing outer ring (1), a mounting groove (7) is fixedly arranged at the middle part of the bearing inner ring (6), a ball retainer (12) is fixedly arranged inside the mounting groove (7), a plurality of ball hole sites (13) are formed in the surface of the ball retainer (12), the ball hole sites (13) are movably connected with the corresponding ball bodies (15), a limiting sleeve (24) is connected to the inner part of the bearing inner ring (6) in a laminating manner, a plurality of limiting convex strips (25) distributed in an annular manner are fixedly arranged at the inner ring of the limiting sleeve (24), and a connecting locating groove (21) distributed in an annular manner is fixedly arranged on the surface of the locating sleeve (3), the connecting positioning groove (21) corresponds to the limiting convex strip (25), the bearing outer ring (1) consists of a first outer ring body (9) and a second outer ring body (10), the first outer ring body (9) is connected with the second outer ring body (10) in a welding mode, water-cooling flow channels (16) are formed in the surface of the first outer ring body (9) and the surface of the second outer ring body (10), semi-sealing ports (17) are formed in the top and the bottom of the two water-cooling flow channels (16), a hollow aluminum ring (4) is fixedly arranged at the welding seam of the first outer ring body (9) and the second outer ring body (10), the top and the bottom of the hollow aluminum ring (4) are respectively provided with a water inlet port (5) and a water outlet port (27), a liquid storage channel (26) is formed in the hollow aluminum ring (4), and the liquid storage channel (26) is communicated with the water-cooling flow channel (16) through a corresponding semi-sealing port (17).
2. A ball bearing having a cage structure as set forth in claim 1, wherein: the bearing inner race (6) is provided with limiting clamping rings (8) at two ends, and the clamping grooves of the limiting clamping rings (8) are respectively provided with a left sealing cover (14) and a right sealing cover (2).
3. A ball bearing having a cage structure as set forth in claim 2, wherein: annular oil grooves (19) have all been seted up to the internal surface of the sealed lid of left side (14) and the internal surface of the sealed lid of right side (2), four annular distribution's straight flow groove (20) have all been seted up at the middle part of the sealed lid of left side (14) and the middle part of the sealed lid of right side (2), four straight flow groove (20) communicate with an annular oil groove (19) that corresponds.
4. A ball bearing having a cage structure as set forth in claim 3, wherein: the surfaces of the two annular oil grooves (19) are movably connected with oil-proof films (18).
5. A ball bearing having a cage structure as set forth in claim 1, wherein: the locating sleeve is characterized in that two symmetrical assembling key grooves (23) are fixedly formed in one end of the limiting sleeve (24), flat-head keys (22) are mounted at the top and the bottom of the locating sleeve (3), and the flat-head keys (22) correspond to the assembling key grooves (23).
6. A ball bearing having a cage structure as set forth in claim 1, wherein: the ratio of the width of the first outer ring body (9) to the width of the second outer ring body (10) is 3.5: 6.5.
7. A ball bearing having a cage structure as set forth in claim 1, wherein: two correspond semi-tight port (17) make up into corresponding seal port, two the seal port communicates with stock solution passageway (26) respectively, two water-cooling runner (16) make up and encircle the runner, annular runner and seal port intercommunication.
8. A ball bearing having a cage structure as set forth in claim 1, wherein: the positioning sleeve (3) comprises the following components in percentage by weight:
93.5-95.0% of iron element powder, 0.2-1.5% of carbon element powder, 1.0-4.0% of copper element powder, 0.2-0.8% of manganese sulfide element powder and 0.9-1.8% of silicon element powder.
9. A manufacturing method of a ball bearing with a locating sleeve structure is characterized in that: the method comprises the following steps:
s1: respectively casting a first outer ring body (9), a second outer ring body (10), a bearing inner ring (6), a ball movable track (11), a ball retainer (12) and a ball body (15) by the existing metal casting process;
s2: mixing iron element powder, carbon element powder, copper element powder, manganese sulfide element powder and silicon element powder to obtain mixed powder; putting the mixed powder into a die for compression molding to obtain a pressed blank; sintering the pressed blank in an N reducing atmosphere, cooling to obtain an alloy sintered body, and pressing and shaping the alloy sintered body by using a pressing die to obtain a pressing piece; putting the pressing piece into a vacuum oil immersion machine for oil immersion treatment to obtain a positioning sleeve (3);
s3: a ball hole (13) is formed in the ball retainer (12), the ball body (15) is polished smoothly and assembled and is connected with the mounting groove (7) of the bearing inner ring (6), and the limiting clamp rings (8) at the two ends of the bearing inner ring (6) are respectively provided with a left sealing cover (14) and a right sealing cover (2); lubricating grease is respectively stored in annular oil grooves (19) of the left sealing cover (14) and the right sealing cover (2) and is sealed through an oil-proof film (18);
s4: the surface of the first outer ring body (9) and the surface of the second outer ring body (10) are provided with a water cooling flow channel (16) and a semi-sealing port (17) communicated with the water cooling flow channel (16), the first outer ring body (9) and the second outer ring body (10) are combined and welded, a welding seam is shielded by using a hollow aluminum ring (4), a sealing opening formed by combining a liquid storage channel (26) and the semi-sealing port (17) is communicated, a bearing inner ring (6) is communicated with a ball body (15) through a ball movable track (11) for assembly, and then the assembly of the ball bearing can be completed.
CN202210466689.1A 2022-04-29 2022-04-29 Ball bearing with locating sleeve structure and manufacturing method thereof Pending CN114857180A (en)

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Cited By (1)

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Publication number Priority date Publication date Assignee Title
CN116517953A (en) * 2023-06-26 2023-08-01 德耐尔节能科技（上海）股份有限公司 Centrifugal machine rolling bearing device capable of being controlled at constant temperature

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JP2003094139A (en) * 2001-09-19 2003-04-02 Samtec Kk Method for forging bearing lace and apparatus for separating bearing lace
CN205446424U (en) * 2015-12-31 2016-08-10 上海电气凯士比核电泵阀有限公司 Cooling structure of electronic auxiliary feed water pump thrust bearing lubricating oil
CN106195008A (en) * 2016-07-01 2016-12-07 江苏鹰球集团有限公司 Positioning sleeve and manufacture method thereof for ball bearing
CN213685006U (en) * 2020-09-23 2021-07-13 河南省荥阳市海通纺织机械有限公司 Stable ball bearing seat
CN214304845U (en) * 2020-12-25 2021-09-28 扬州利凯机械制造有限公司 Angular contact ball bearing
CN113606247A (en) * 2021-08-13 2021-11-05 丽水市天泽精密科技有限公司 Ball bearing assembly

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Publication number Priority date Publication date Assignee Title
US6309109B1 (en) * 1999-11-29 2001-10-30 William Chuang Bearing assembly
JP2003094139A (en) * 2001-09-19 2003-04-02 Samtec Kk Method for forging bearing lace and apparatus for separating bearing lace
CN205446424U (en) * 2015-12-31 2016-08-10 上海电气凯士比核电泵阀有限公司 Cooling structure of electronic auxiliary feed water pump thrust bearing lubricating oil
CN106195008A (en) * 2016-07-01 2016-12-07 江苏鹰球集团有限公司 Positioning sleeve and manufacture method thereof for ball bearing
CN213685006U (en) * 2020-09-23 2021-07-13 河南省荥阳市海通纺织机械有限公司 Stable ball bearing seat
CN214304845U (en) * 2020-12-25 2021-09-28 扬州利凯机械制造有限公司 Angular contact ball bearing
CN113606247A (en) * 2021-08-13 2021-11-05 丽水市天泽精密科技有限公司 Ball bearing assembly

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116517953A (en) * 2023-06-26 2023-08-01 德耐尔节能科技（上海）股份有限公司 Centrifugal machine rolling bearing device capable of being controlled at constant temperature
CN116517953B (en) * 2023-06-26 2023-08-29 德耐尔节能科技（上海）股份有限公司 Centrifugal machine rolling bearing device capable of being controlled at constant temperature

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