CN106351962B - A kind of bearing block structure and its processing technology - Google Patents
A kind of bearing block structure and its processing technology Download PDFInfo
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- CN106351962B CN106351962B CN201610807176.7A CN201610807176A CN106351962B CN 106351962 B CN106351962 B CN 106351962B CN 201610807176 A CN201610807176 A CN 201610807176A CN 106351962 B CN106351962 B CN 106351962B
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- ontology
- bearing block
- gland
- pedestal
- boss
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Classifications
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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
- F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
- F16C35/04—Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Sliding-Contact Bearings (AREA)
- Sealing Devices (AREA)
Abstract
The invention discloses a kind of bearing block structure, including bearing block ontology and with the matching used bearing block gland of bearing block ontology, bearing block ontology includes ontology pedestal and ontology boss, and ontology pedestal and ontology boss are an integral molding structure；Ontology pedestal includes ontology bottom face disposed in parallel and ontology upper surface, and for connecting with bearing block gland, ontology upper surface and ontology boss are integrally formed ontology bottom face；The center of bearing block ontology is provided with shaft hole A；Step surface is provided on the ontology bottom face of ontology pedestal, step surface is arranged around shaft hole A；Also disclose a kind of processing technology of bearing block structure, including this body processing technology of bearing block and bearing block gland processing technology；Present invention decreases the abrasions of bearing block, extend the service life of bearing block.The present invention is suppressed using powder metallurgy, and manufacture craft is simple, raw metal is greatly saved, saves a large amount of labours, reduces the production cost of product.
Description
Technical field
The invention belongs to bearing block technical fields, and in particular to a kind of bearing block structure and its processing technology.
Background technique
There is the place of bearing that there will be supporting point, the inner support point of bearing is shaft, and outer support is exactly the bearing block often said.
Since a bearing can select different bearing blocks, and a bearing block can select different types of bearing simultaneously, because
This, brings the various types of bearing block.
The problem most commonly seen as bearing block is worn, carrier wear phenomenon also occurs often.Slow down the mill of bearing block
Damage, extending bearing block service life is particularly important；Meanwhile currently, the production technology of bearing block is complex, need to carry out
A large amount of machining, takes time and effort, needs a large amount of labours.
Patent No. CN201310553246.7 discloses bearing block structure, good seal performance, and bearing lubrication is filled
Divide, long service life.It includes bearing block, is equipped with bearing in bearing block, it is characterised in that: bearing block includes bearing block master
Body, capping, gland and sealing ring, bearing block main body are tubular structure, and capping and gland are installed on bearing block axial sides, are sealed
The end face that lid, gland are connected with bearing block is equipped with flange, and covers, the both sides of the face of the flange of gland difference pressing bearing,
Sealing ring includes sealing ring one, sealing ring two and sealing ring three, and the center of gland is equipped with perforation, and perforation inner wall is embedded with sealing ring
One, it covers, the radial outside of the flange of gland is embedded with sealing ring two, sealing ring three respectively.The bearing block master of this bearing block
It can be seriously worn in the long-term use between body and gland, need constantly to go to repair, shortened the use of bearing block
Service life.It can be seen that needing the wear problem in view of bearing block in the design process of bearing block structure, repaired with reduction,
Extend the service life of bearing block.
Summary of the invention
In view of the above-mentioned deficiencies in the prior art, it is an object of the present invention to now provide a kind of bearing block structure and its processing work
Skill, to solve the problems, such as that carrier wear, service life are short, while also be able to solve production bearing block during technique be responsible for,
It needs largely to be machined, the process issues of waste metal.
In order to solve the above technical problems, the technical solution adopted by the present invention are as follows: a kind of bearing block structure, including bearing block sheet
Body and with the matching used bearing block gland of bearing block ontology, innovative point is:
The bearing block ontology includes ontology pedestal and ontology boss, and the ontology pedestal and ontology boss are integrally formed
Structure；The ontology pedestal includes ontology bottom face disposed in parallel and ontology upper surface, and ontology bottom face is used for and bearing block
Gland connection, ontology upper surface and ontology boss are integrally formed；The center of the bearing block ontology is provided with shaft hole A；
Step surface is provided on the ontology bottom face of the ontology pedestal, the step surface is arranged around shaft hole A；
The bearing block gland includes gland pedestal and gland level-one boss, and the gland pedestal and gland level-one boss are
Integrated formed structure；The gland pedestal includes gland upper surface and gland lower end surface disposed in parallel, and gland upper surface is used for
The connection of bearing block ontology is connected, and is integrally formed with gland level-one boss；The center of the bearing block gland, which is provided with, to be turned
Axis hole B；Gland second level boss, the gland second level boss are additionally provided with gland level-one boss junction on the gland pedestal
End face it is consistent with the end surface shape of step surface on bearing block ontology, and when matching, contact with each other.
Further, the ontology pedestal is set as square structure, and four square apex angles are disposed as the circle of evagination
Arc；Four apex angle inner annulars of the ontology pedestal are evenly equipped with four body through-holes；Also ring-type is evenly equipped with 4 on the ontology pedestal
A threaded hole；The shaft hole A includes level-one shaft hole and second level shaft hole, and the aperture of level-one shaft hole is greater than second level shaft hole
Aperture；The outboard end of bearing block boss is arranged in the second level shaft hole.
Further, the gland pedestal is set as square structure, and four square apex angles are disposed as the circle of evagination
Arc, and with ontology base shape and in the same size；Four apex angle inner annulars of the gland pedestal are evenly equipped with four gland through-holes；
Also ring-type is evenly equipped with 4 step through-holes on the gland pedestal；The step through-hole includes the consistent macropore of hole axle and aperture, greatly
Hole is connected with aperture, and in gland lower end surface, the other end of aperture is arranged in gland upper surface for the other end setting of macropore.
Further, fluted A is arranged in the ontology pedestal and ontology boss junction；The gland level-one boss and pressure
Fluted B is arranged in lid second level boss junction.
A kind of a kind of technical solution that the present invention also uses are as follows: processing technology of bearing block structure, innovative point are: packet
Include this body processing technology of bearing block and bearing block gland processing technology；
Described this body processing technology of bearing block, comprising the following steps:
(1) bearing block ontology blank shapes: selecting the powder of stainless steel material of SS410, density >=6.8g/cm of powder materials3；
Powder materials are placed in pressing mold and are suppressed, bearing block ontology blank is formed；The bearing block ontology blank has been pressed into
The shape and size of ontology pedestal, ontology boss, shaft hole A and body through-holes；
(2) bearing block ontology is sintered: bearing block ontology blank is placed in sintering furnace and carries out continuous sintering, sintering furnace packet
Include dewaxing, pre-sintering, sintering and each function section of refrigeration；And the surface of sintered blank is processed by shot blasting；
(3) bearing block ontology machines: drilling on ontology pedestal, tapping is carried out after drilling, form threaded hole；Clamp this
Body boss carries out smart car to ontology pedestal and shaft hole A using lathe；Ontology pedestal is clamped, end face to ontology boss and outer
Diameter carries out smart car；Smart car goes out the chamfering between step surface and step surface and ontology pedestal, forms bearing block ontology semi-finished product；
(4) bearing block ontology blacks: it is blunt to bearing block ontology semi-finished product progress wedge angle, remove flash removed；Finally, being steamed
Gas blackening process forms bearing block ontology finished product；
The bearing block gland processing technology, comprising the following steps:
(5) bearing block gland blank shapes: selecting the powder of stainless steel material of SS410, density >=6.8g/cm of powder materials3；
Powder materials are placed in pressing mold and be pressed into bearing block gland blank；The bearing block gland blank has been pressed into gland
The shape and size of pedestal, gland level-one boss, gland through-hole, shaft hole B and diameter and the consistent small through hole of small aperture；
(6) bearing block gland is sintered: bearing block gland blank is placed in sintering furnace and carries out continuous sintering, sintering furnace packet
Include dewaxing, pre-sintering, sintering and each function section of refrigeration；And the surface of sintered blank is processed by shot blasting；
(7) bearing block gland machines: carrying out reaming, shape with big nose end of the milling cutter to the small through hole in the step (5)
At the step through-hole of drawing requirement；Clamp gland pedestal, the end face of smart car gland level-one boss and the shaft hole of bearing block gland
B；Chamfering between smart car gland second level boss and gland second level boss and gland pedestal forms bearing block gland semi-finished product；
(8) bearing block gland blacks: it is blunt to bearing block gland semi-finished product progress wedge angle, remove flash removed；Finally, being steamed
Gas blackening process forms bearing block gland finished product.
Further, the pressing pressure in the step (1) and step (5) is 5-7t/cm2。
Further, the sintering temperature of the sintering functional section in the step (2) and step (6) is 1100-1400 DEG C, is burnt
The knot time is 5Min.
Beneficial effects of the present invention are as follows:
1. the present invention is by being provided with step surface on the ontology pedestal of bearing block ontology, at the gland bottom of bearing block gland
It is provided with gland second level boss on seat, and the end surface shape of gland second level boss is consistent with the end surface shape of step surface, is assembling
With the use of when, step surface contacts with each other with gland second level boss, reduces the abrasion of bearing block, extends the use of bearing block
Service life.
2. the present invention is suppressed by using powder metallurgy, bearing block gland blank and bearing block ontology blank are formed,
With most of final size, it is only necessary to seldom subsequent machining is carried out, bearing block gland and bearing block ontology can be completed,
Manufacture craft is simple, raw metal is greatly saved, saves a large amount of labours, reduces the production cost of product.
Detailed description of the invention
Fig. 1 is the side view of a kind of bearing block structure of the present invention and its processing technology bottom bracket ontology.
Fig. 2 is the top view of a kind of bearing block structure of the present invention and its processing technology bottom bracket ontology.
Fig. 3 is the side view of a kind of bearing block structure of the present invention and its processing technology bottom bracket gland.
Fig. 4 is the top view of a kind of bearing block structure of the present invention and its processing technology bottom bracket gland.
Fig. 5 is that a kind of bearing block structure of the present invention and its processing technology bottom bracket ontology and the assembly of bearing block gland use
Schematic diagram.
Specific embodiment
Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this explanation
Content disclosed by book is understood other advantages and efficacy of the present invention easily.
A kind of bearing block structure, including bearing block ontology 2 and with the matching used bearing block gland 2 of bearing block ontology 1,
As depicted in figs. 1 and 2, bearing block ontology 1 includes ontology pedestal 3 and ontology boss 4, and ontology pedestal 3 and ontology are convex
Platform 4 is an integral molding structure；Ontology pedestal 3 includes ontology bottom face and 3 ontology upper surfaces, and ontology bottom face is used for and bearing block
Gland connection, ontology upper surface and ontology boss are integrally formed；The center of bearing block ontology 1 is provided with shaft hole A5；This
Step surface 6 is provided on the ontology bottom face of body pedestal 1, step surface 6 is arranged around shaft hole A5；The end face of ontology pedestal 3 is set
It is set to square structure, four square apex angles are disposed as the arc-shaped of evagination；The ontology bottom face and pedestal of ontology pedestal 3
Upper surface is arranged in parallel；Four apex angle inner annulars of ontology pedestal 3 are evenly equipped with four body through-holes 7；It is also cyclic annular equal on ontology pedestal 3
It is furnished with 4 threaded holes 8；Shaft hole A5 includes level-one shaft hole and second level shaft hole, and the aperture of level-one shaft hole turns greater than second level
The aperture of axis hole；The outboard end of shaft seat boss is arranged in second level shaft hole.Ontology pedestal 3 and 4 junction of ontology boss are arranged
Fluted A.
As shown in Figure 3 and Figure 4, bearing block gland 2 includes gland pedestal 9 and gland level-one boss 10, gland pedestal 9 and pressure
Lid level-one boss 10 is an integral molding structure；Gland pedestal 9 includes gland upper surface and gland lower end surface, and gland upper surface is used for
It connects bearing block ontology 1 to connect, and is integrally formed with gland level-one boss 10；The center of bearing block gland 2, which is provided with, to be turned
Axis hole B11；Gland second level boss 12, gland second level boss 12 are additionally provided with 9 junction of gland level-one boss on gland pedestal 9
End face it is consistent with the end surface shape of step surface 6 on bearing block ontology 1, and when matching, contact with each other.Gland pedestal 9
End face be set as square structure, four square apex angles are disposed as the arc-shaped of evagination, and with 1 shape of ontology pedestal and
It is in the same size；The gland upper surface and gland lower end surface of gland pedestal 9 are arranged in parallel；Four apex angle inner annulars of gland pedestal 9
It is evenly equipped with four gland through-holes 13；Also ring-type is evenly equipped with 4 step through-holes 14 on gland pedestal 9；Step through-hole 14 includes hole axle one
The macropore and aperture of cause, hole axle are connected perpendicular to gland lower end surface or gland upper surface, macropore with aperture, the other end of macropore
Setting is arranged in gland lower end surface, the other end of aperture in gland upper surface.Gland level-one boss is connect with gland second level boss
Fluted B is arranged in place.
Bearing block ontology 1 and bearing block gland 2 are assembled together, when matching, each apex angle and pressure of ontology pedestal 3
Each apex angle of cover base 9 is overlapped；Body through-holes 7 and gland through-hole 13 are on the same axis；Step through-hole 14 is with threaded hole 8 same
On one axis.
The present invention on the ontology pedestal 3 of bearing block ontology 1 by being provided with step surface 6, in the gland of bearing block gland 2
Gland second level boss 12, and the end surface shape one of the end surface shape of gland second level boss 12 and step surface 6 are provided on pedestal 9
It causes, when assembly is used cooperatively, step surface 6 contacts with each other with gland second level boss 12, reduces the abrasion of bearing block, extends
The service life of bearing block.
A kind of processing technology of bearing block structure, including 1 processing technology of bearing block ontology and bearing block gland 2 process work
Skill；
1 processing technology of bearing block ontology, comprising the following steps:
(1) 1 blank of bearing block ontology shapes: selecting the powder of stainless steel material of SS410, density >=6.8g/ of powder materials
cm3；Powder materials are placed in pressing mold and are suppressed, bearing block ontology blank is formed；1 blank of bearing block ontology has been pressed into
8 shapes and size of ontology pedestal 3, ontology boss 4, shaft hole A5 and body through-holes；Pressing pressure is 5-7t/cm2。
(2) bearing block ontology 1 is sintered: 1 blank of bearing block ontology is placed in sintering furnace and carries out continuous sintering, sintering furnace
Including dewaxing, pre-sintering, sintering and each function section of refrigeration；And the surface of sintered blank is processed by shot blasting；Sintering
The sintering temperature of functional section is 1100-1400 DEG C, sintering time 5Min.
(3) bearing block ontology 1 machines: drilling on ontology pedestal 1, tapping is carried out after drilling, form threaded hole 8；Folder
Firmly ontology boss 12 carries out smart car to ontology pedestal 3 and shaft hole A5 using lathe；Ontology pedestal 3 is clamped, to ontology boss 4
End face and outer diameter carry out smart car；Smart car goes out the chamfering between step surface 6 and step surface 6 and ontology pedestal 3, forms bearing block sheet
1 semi-finished product of body；
(4) bearing block ontology 1 blacks: it is blunt to 1 semi-finished product of bearing block ontology progress wedge angle, remove flash removed；Finally, carrying out
Steam blackening process forms 1 finished product of bearing block ontology；
2 processing technology of bearing block gland, comprising the following steps:
(5) 2 blank of bearing block gland shapes: selecting the powder of stainless steel material of SS410, density >=6.8g/ of powder materials
cm3；Powder materials are placed in pressing mold and be pressed into 2 blank of bearing block gland；2 blank of bearing block gland has been pressed into pressure
The shape of cover base 9, gland level-one boss 10, shaft hole B11, gland through-hole 13 and diameter and the consistent small through hole of small aperture
And size；Pressing pressure is 5-7t/cm2。
(6) bearing block gland 2 is sintered: 2 blank of bearing block gland is placed in sintering furnace and carries out continuous sintering, sintering furnace
Including dewaxing, pre-sintering, sintering and each function section of refrigeration；And the surface of sintered blank is processed by shot blasting；Sintering
The sintering temperature of functional section is 1100-1400 DEG C, sintering time 5Min.
(7) bearing block gland 2 machines: carrying out reaming, shape with big nose end of the milling cutter to the small through hole in the step (5)
At the step through-hole 14 of drawing requirement；Clamp gland pedestal 9, the end face of smart car gland level-one boss 10 and bearing block gland 2
Shaft hole B11；Smart car gland second level boss 12 and the chamfering between gland second level boss 12 and gland pedestal 9 form bearing block
2 semi-finished product of gland；
(8) bearing block gland 2 blacks: it is blunt to 2 semi-finished product of bearing block gland progress wedge angle, remove flash removed；Finally, carrying out
Steam blackening process forms 2 finished product of bearing block gland.
The present invention is suppressed by using powder metallurgy, forms 2 blank of bearing block gland and 1 blank of bearing block ontology,
With most of final size, it is only necessary to carry out seldom subsequent machining, bearing block gland 2 and bearing block ontology can be completed
1, manufacture craft is simple, raw metal is greatly saved, saves a large amount of labours, reduces the production cost of product.
Working principle: bearing block ontology 1 and bearing block gland 2 are assembled together, when matching, ontology pedestal 3
Each apex angle is overlapped with each apex angle of gland pedestal 9；Body through-holes 7 and gland through-hole 13 are on the same axis；Step through-hole 14 with
Threaded hole 8 is on the same axis；It by thinking that the screw of adaptation is passed through from step through-hole 14, and is locked by threaded hole 8, by bearing
Seat ontology 1 is assembled together with bearing block gland 2, forms bearing block structure.
Above-described embodiment is presently preferred embodiments of the present invention, is not a limitation on the technical scheme of the present invention, as long as
Without the technical solution that creative work can be realized on the basis of the above embodiments, it is regarded as falling into the invention patent
Rights protection scope in.
Claims (4)
1. a kind of bearing block structure, including bearing block ontology and with the matching used bearing block gland of bearing block ontology, feature
It is:
The bearing block ontology includes ontology pedestal and ontology boss, and the ontology pedestal and ontology boss are integrally formed knot
Structure；The ontology pedestal includes ontology bottom face disposed in parallel and ontology upper surface, and ontology bottom face is used for and bearing block pressure
Lid connection, ontology upper surface and ontology boss are integrally formed；The center of the bearing block ontology is provided with shaft hole A；Institute
It states and is provided with step surface on the ontology bottom face of ontology pedestal, the step surface is arranged around shaft hole A；
The bearing block gland includes gland pedestal and gland level-one boss, and the gland pedestal and gland level-one boss are integrated
Molding structure；The gland pedestal includes gland upper surface and gland lower end surface disposed in parallel, and gland upper surface is for connecting
The connection of bearing block ontology, and be integrally formed with gland level-one boss；The center of the bearing block gland is provided with shaft hole
B；Gland second level boss, the end of the gland second level boss are additionally provided with gland level-one boss junction on the gland pedestal
Face is consistent with the end surface shape of step surface on bearing block ontology, and when matching, contacts with each other.
2. a kind of bearing block structure according to claim 1, including bearing block ontology and matched with bearing block ontology
Bearing block gland, it is characterised in that: the ontology pedestal is set as square structure, and four square apex angles are disposed as outer
Convex is arc-shaped；Four apex angle inner annulars of the ontology pedestal are evenly equipped with four body through-holes；It is also cyclic annular on the ontology pedestal
It is evenly equipped with 4 threaded holes；The shaft hole A includes level-one shaft hole and second level shaft hole, and the aperture of level-one shaft hole is greater than two
The aperture of grade shaft hole；The outboard end of bearing block boss is arranged in the second level shaft hole.
3. a kind of bearing block structure according to claim 1 or 2, including bearing block ontology and with bearing block ontology is mating makes
Bearing block gland, it is characterised in that: the gland pedestal is set as square structure, and four square apex angles are disposed as
Evagination it is arc-shaped, and with ontology base shape and in the same size；Four apex angle inner annulars of the gland pedestal are evenly equipped with four
Gland through-hole；Also ring-type is evenly equipped with 4 step through-holes on the gland pedestal；The step through-hole includes the consistent macropore of hole axle
And aperture, macropore are connected with aperture, in gland lower end surface, the other end of aperture is arranged on gland for the other end setting of macropore
End face.
4. a kind of bearing block structure according to claim 1, including bearing block ontology and matched with bearing block ontology
Bearing block gland, it is characterised in that: fluted A is arranged in the ontology pedestal and ontology boss junction；The gland level-one
Fluted B is arranged in boss and gland second level boss junction.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610807176.7A CN106351962B (en) | 2016-09-07 | 2016-09-07 | A kind of bearing block structure and its processing technology |
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| CN201610807176.7A CN106351962B (en) | 2016-09-07 | 2016-09-07 | A kind of bearing block structure and its processing technology |
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| CN106351962B true CN106351962B (en) | 2019-04-16 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107061512A (en) * | 2017-06-04 | 2017-08-18 | 无锡市锡东金属磁材厂 | Hot-air rotary furnace roller support bearing |
| CN108145383B (en) * | 2017-12-22 | 2019-11-22 | 沈阳透平机械股份有限公司 | Tapping method of the BCL bearing with end cover area conjunction screw hole |
| CN110081072A (en) * | 2019-04-26 | 2019-08-02 | 江苏万达特种轴承有限公司 | Thin-wall bearing and its processing technology |
| CN110541888A (en) * | 2019-07-09 | 2019-12-06 | 嘉兴孚瑞精密五金科技有限公司 | Oil-cooled bearing seat and machining method thereof |
| CN111069859B (en) * | 2019-12-30 | 2020-12-01 | 武昌船舶重工集团有限公司 | Processing method of annular base |
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| US4776193A (en) * | 1981-11-14 | 1988-10-11 | Karl J. Groten | Method for making flange half shells, as well as flanges formed by two flange half shells |
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| Publication number | Publication date |
|---|---|
| CN106351962A (en) | 2017-01-25 |
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