CN109681529A - Sleeve assembly and its production method and flame-proof electric equipment and axle sleeve processing unit (plant) - Google Patents
Sleeve assembly and its production method and flame-proof electric equipment and axle sleeve processing unit (plant) Download PDFInfo
- Publication number
- CN109681529A CN109681529A CN201811647563.4A CN201811647563A CN109681529A CN 109681529 A CN109681529 A CN 109681529A CN 201811647563 A CN201811647563 A CN 201811647563A CN 109681529 A CN109681529 A CN 109681529A
- Authority
- CN
- China
- Prior art keywords
- bushing
- sleeve body
- sleeve
- sleeve assembly
- assembly
- 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.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
- F16C33/06—Sliding surface mainly made of metal
-
- 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
- B21D19/00—Flanging or other edge treatment, e.g. of tubes
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Standing Axle, Rod, Or Tube Structures Coupled By Welding, Adhesion, Or Deposition (AREA)
- Automatic Assembly (AREA)
Abstract
The invention discloses a kind of sleeve assembly and its production method and flame-proof electric equipments and axle sleeve processing unit (plant), sleeve assembly, it include: sleeve body, bushing, sleeve body is fixed on welded unit by welding manner, lining is set in the inner cavity of sleeve body, bushing is the material of expanded by heating and the diminution that is cooled, and bushing is mounted in advance in the inner cavity of sleeve body, and the expansion clearance for reserving when sleeve body and welded unit are weldingly connected for bushing is preset between sleeve body and bushing.By the way that first bushing is mounted in sleeve body in advance, and the expansion clearance reserved between sleeve body and bushing, when sleeve body is weldingly fixed on welded unit, bushing effect of being expanded with heat and contract with cold is fitted closely with sleeve body, it solves in the prior art when axle sleeve needs to be fixed on the biggish components of other volumes by welding, there is the problem that its assembly efficiency of the axle sleeve of bushing is low and yield rate is low.
Description
Technical field
The present invention relates to axle sleeves to produce and process technical field, and in particular to a kind of sleeve assembly and its production method and flame proof
Electrical equipment and axle sleeve processing unit (plant).
Background technique
It generally requires to fix copper bushing in the inner cavity of axle sleeve, copper bushing is connected with rotation axis cooperation, can be effectively
The wearability and corrosion resistance for improving axle sleeve, improve the use reliability of axle sleeve.But bushing is easy the effect hair that expanded with heat and contract with cold
Change shape, when axle sleeve needs to be fixed on the biggish components of other volumes by welding, axle sleeve and components welding
When will cause the interference connection that formation is interference fitted between bushing and axle sleeve so that the problem of bushing fails.For example,
The flameproof enclosure of flame-proof mine electrical equipment, the inner hole of affiliated axle sleeve should assemble copper bushing.
The installation method of flameproof enclosure in the prior art and affiliated axle sleeve is as follows: as shown in figure 12, flameproof enclosure and institute
Belong to axle sleeve 101, be welded together by arc welding group, forms welded steel component；Copper bush 102 is used into " artificial hammering method " again
It is assemblied among axle sleeve 101；Finally use definite value cutter: hand reamer 103, manually to 102 internal diameter of copper bush and its
Deviation, surface roughness ream machining to required value.In the prior art, when being welded in order to avoid axle sleeve 101 and flameproof enclosure
The copper bush 102 being mounted in axle sleeve 101 is influenced by the high temperature of welding point, and copper bush 102 is sent out by thermal expansion and cold events
Raw deformation, causes that interference fit forms axle sleeve 101 and copper bush 102 becomes clearance fit, thus need first by flameproof enclosure with
Axle sleeve 101 is fixed together installs copper bush 102 again.In above-mentioned technical proposal, the entity object that copper bush 102 is assembled is body
The larger and more heavy weight flameproof enclosure of product needs that above-mentioned installment work could be completed by lifting or mechanical handing, seriously
Influence assembly efficiency.Also, also as assembly difficulty height causes flameproof enclosure low with the assembly yield rate of affiliated axle sleeve the two
The problem of.
Summary of the invention
Therefore, the present invention is intended to provide a kind of sleeve assembly and its production method and the processing of flame-proof electric equipment and axle sleeve fill
Set, technical problem to be solved be in the prior art when axle sleeve need to be fixed on other volumes by welding it is larger
Components when, there is its assembly efficiency of the axle sleeve of bushing is low and yield rate is low problem.For this purpose, the present invention provides a kind of axis
Cover component, comprising: sleeve body, bushing,
The sleeve body is fixed on welded unit by welding manner, and the lining is set on the sleeve body
In inner cavity, the bushing is the material of expanded by heating and the diminution that is cooled, and the bushing is mounted in advance in the inner cavity of the sleeve body,
It is preset between the sleeve body and the bushing for being when the sleeve body and the welded unit are weldingly connected
The reserved expansion clearance of the bushing.
The expansion clearance is 0.05mm to 0.1mm.
The bushing is connected by way of flaring press fitting with sleeve body assembly, is located at the sleeve body wherein
The opening of one or both ends, open edge position are equipped with the inclined surface for limiting to the bushing.
The plunger tip taper of its opening of the sleeve body is 45 degree to 60 degree, and the inclined surface depth is 2mm.
The positioning for preventing the bushing from rotating along the sleeve body circumferential direction is provided on the sleeve body
When structure, the sleeve body and the welded unit are weldingly connected, the bushing expanded by heating and when the bushing is cooling
The shrinkage stress effect of generation is lower to be fitted closely with the location structure.
Its circumferential direction that is open of the sleeve body end is equipped with the inclined surface for limiting to the bushing, described
Location structure includes at least one limiting slot being arranged in the inclined surface circumferential direction.
The limiting slot is the groove of the V-shaped structure in cross section.
The depth of the limiting slot is 0.5mm to 1mm.
The location structure includes the bending seamed edge being arranged on the inner cavity of the sleeve body, and the bending seamed edge prevents
The bushing is rotated along the sleeve body circumferential direction.
A kind of flame-proof electric equipment, comprising:
Welded unit, the welded unit are flameproof enclosure；
Above-mentioned sleeve assembly, the sleeve body and the flameproof enclosure are fixedly linked by welding manner.
The production method of sleeve assembly, comprising the following steps:
Step S1 produces the sleeve body and the bushing；
The bushing is assemblied in the sleeve body by step S2, forms sleeve assembly；
The sleeve body is fixed on the welded unit by step S3 by welding manner.
The step S1, the step of producing the sleeve body include: to add at the open-ended edge of the sleeve body
Work is used for the inclined surface limited to the bushing；
The step that the bushing is assemblied in the sleeve body is included: the side by flaring press fitting by the step S2
The bushing is assemblied in the sleeve body by formula, and the gasket end fits with the inclined surface.
The step S1, the step of producing the sleeve body include: processed in the circumferential direction of the inclined surface it is fixed
Bit architecture.
It further include step S2-1 between step S2 and step S3, the step S2-1 includes:
Check whether the gasket end opening has crackle, having crackle, then sleeve assembly is unqualified；
Torsion test is carried out to the bushing in the sleeve body, whether detects the bushing relative to the axle sleeve
Ontology rotates, and the then sleeve assembly that rotates is unqualified；
Hydraulic pressure test is carried out to the sleeve assembly, detects and whether is sent out on the joint face of the sleeve body and the bushing
Raw infiltration phenomenon, infiltration occurs, and then sleeve assembly is unqualified.
A kind of axle sleeve processing unit (plant), for processing sleeve body comprising:
Lower die, sleeve body are fixed in the lower die；
Upper mold, be driven towards the lower die direction close to or far from being provided with pressure head, the pressure head in the lower die
Towards in the lower die moving process, inclined surface and use of the processing for being limited to the bushing on the sleeve body
In the location structure for preventing the bushing from rotating along the sleeve body circumferential direction.
The location structure is the limiting slot for being arranged in its open edge position of the sleeve body, is had on the pressure head
The convex ribs protruded towards its internal chamber wall of the sleeve body.
Technical solution of the present invention has the advantages that
1. sleeve assembly provided by the invention, the sleeve body is fixed on welded unit by welding manner, described
Lining is set in the inner cavity of the sleeve body, and the bushing is the material of expanded by heating and the diminution that is cooled, and the bushing is pre-
In the inner cavity of the sleeve body, be preset between the sleeve body and the bushing in the sleeve body and
The expansion clearance reserved when the welded unit is weldingly connected for the bushing.By the way that first bushing is mounted in sleeve body in advance,
And the above-mentioned expansion clearance reserved between sleeve body and bushing, when sleeve body is weldingly fixed on welded unit,
Bushing effect of being expanded with heat and contract with cold is fitted closely with sleeve body, is solved and is needed first to be welded on sleeve body in the prior art
On welded unit, then bushing is passed through into " artificial hammering method " and is assemblied among sleeve body, it is also necessary to manually to brass
The internal diameter of set its deviation, surface roughness ream machining to required value, above-mentioned procedure of processing cause to need through lifting or machine
The problem of tool carrying could complete above-mentioned installment work, seriously affect assembly efficiency.The application not only overcomes existing axle sleeve group
The high problem of part assembly difficulty, and keep bushing and sleeve body further solid and reliablely fixed by expanding with heat and contract with cold for bushing
Together, the assembly efficiency and assembly yield rate of bushing and sleeve body are improved.
2. sleeve assembly provided by the invention, bushing is connected by way of flaring press fitting with sleeve body assembly,
Opening positioned at the sleeve body wherein one or both ends, open edge position are equipped with for inclining to the bushing limit
Bushing is assemblied on sleeve body by inclined-plane by flaring press-loading apparatus, not only effective relative to existing " artificial hammering method "
Ground improves the assembly efficiency of sleeve assembly, and the compression bar for being flared press-loading apparatus can also be complete together completely into bushing inner cavity
The final extrusion molding of pairs of bushing inner diameter, thus to sleeve surface burnishing-in, make sleeve surface burnishing-in to roughness Ra≤
6.3um improves product quality while promoting assembly efficiency.
3. sleeve assembly provided by the invention, the plunger tip taper of its opening of sleeve body is 45 degree to 60 degree, the inclination
Face depth be 2mm, above-mentioned inclined surface be circular cone surface chamfer, effectively contain bushing flaring, press and formed Plastic Flow and
With synthesis type, the connection dependability between the flaring of bushing and sleeve body is ensured.
4. sleeve assembly provided by the invention, it is provided on the sleeve body for preventing the bushing along the axle sleeve
The location structure of ontology circumferential direction rotation.When bushing is connected by way of flaring press fitting with sleeve body assembly, lining
Set is connected with above-mentioned location structure, and location structure can play the position-limiting action to bushing.Moreover, in the sleeve body and institute
When stating welded unit and being weldingly connected, under the bushing expanded by heating and the shrinkage stress generated when the bushing is cooling effect with
The location structure fits closely, and further improves the connection reliability of sleeve body and bushing.
5. sleeve assembly provided by the invention, its circumferential direction of the opening of the sleeve body end is equipped with for institute
The inclined surface of bushing limit is stated, the location structure includes at least one limit being arranged in the inclined surface circumferential direction
Slot, when bushing is connected by way of flaring press fitting with sleeve body assembly, the end edge position insertion of bushing is above-mentioned
Limiting slot, the position-limiting action that limiting slot plays bushing.Moreover, when the sleeve body and the welded unit are weldingly connected,
It is completely embedded into limiting slot under the bushing expanded by heating and the shrinkage stress generated when the bushing is cooling effect, further
Ride over bushing tightly on the inclined surface of sleeve body, it can be effectively in flaring press fitting and axle sleeve sheet by above-mentioned limiting slot
Bushing is fitted tightly on sleeve body in body welding sequence, prevents the bushing along the sleeve body week by limiting slot
It is rotated to direction.
6. sleeve assembly provided by the invention, the limiting slot is the groove of the V-shaped structure in cross section, and gasket end is embedding
In the limiting slot for entering above-mentioned " V " shape structure, the limiting slot of " V " shape structure can make what bushing was bonded with sleeve body more to step up
It is close, effectively prevent the bushing from rotating along the sleeve body circumferential direction.
7. flame-proof electric equipment provided by the invention is first filled bushing by way of flaring press fitting with the sleeve body
With being connected, the end edge position of bushing is embedded in above-mentioned limiting slot, the position-limiting action that limiting slot plays bushing, in sleeve body
Expansion clearance is reserved between bushing, and the sleeve assembly being made of bushing and sleeve body is welded on flameproof enclosure, is being welded
Bushing effect of being expanded with heat and contract with cold is fitted closely with sleeve body in termination process, and the end of bushing is inlaid in limiting slot completely.
Compared with the existing technology it is not necessary that above-mentioned installment work can be completed by lifting or mechanical handing.Moreover, without " people is used
Hammer striking " and hand reamer process bushing, effectively improve the assembly efficiency and assembly yield rate of bushing and sleeve body.
8. axle sleeve processing unit (plant) provided by the invention, comprising: lower die, sleeve body are fixed in the lower die；Upper mold, by
Drivingly towards the lower die direction close to or far from, pressure head is provided in the lower die, be provided on the pressure head for
The forming part of location structure is processed on the sleeve body.It can be effectively on sleeve body by above-mentioned axle sleeve processing unit (plant)
Machine-shaping location structure
8. axle sleeve processing unit (plant) provided by the invention, axle sleeve processing unit (plant) can the effectively machine-shaping on sleeve body
Inclined surface for being limited to the bushing and for preventing the bushing from determining along what the sleeve body circumferential direction rotated
Bit architecture.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the assembling schematic diagram of conversion axle sleeve and bushing provided by the invention；
Fig. 2 is conversion axle sleeve cross-sectional view provided by the invention；
Fig. 3 is bushing cross-sectional view provided by the invention；
Fig. 4 is the assembling schematic diagram of button axle sleeve and bushing provided by the invention；
Fig. 5 is button axle sleeve cross-sectional view provided by the invention；
Fig. 6 is the button axle sleeve cross-sectional view provided by the invention with limiting slot；
Fig. 7 is button axle sleeve partial enlargement diagram shown in fig. 6；
Fig. 8 is the assembling schematic diagram of push-button socket provided by the invention and bushing；
Fig. 9 is the structural schematic diagram of axle sleeve processing unit (plant) provided by the invention；
Figure 10 is the assembling schematic diagram of flame-proof electric equipment provided by the invention its flameproof enclosure and sleeve assembly；
Figure 11 is the structural schematic diagram of axle sleeve processing unit (plant) provided by the invention；
Figure 12 is the assembling schematic diagram of flameproof enclosure and the axle sleeve with copper bush in the prior art.
Description of symbols:
1- sleeve body；2- bushing；3- welded unit；The inclined surface 4-；5- location structure；6- lower die；7- upper mold；8- pressure
Head；9- axle sleeve；10- copper bush；11- reamer；12- bends seamed edge；101- axle sleeve；102- copper bush；103- hand reamer.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
As long as in addition, the non-structure each other of technical characteristic involved in invention described below different embodiments
It can be combined with each other at conflict.
Embodiment 1
The present embodiment provides a kind of flame-proof electric equipments, as shown in Figure 10, including flameproof enclosure and sleeve assembly, institute
It states sleeve body 1 and the flameproof enclosure is fixedly linked by welding manner.The sleeve body 1 is as shown in Figures 4 to 7
Button axle sleeve comprising: sleeve body 1, bushing 2, the sleeve body 1 are fixed on welded unit 3 by welding manner, institute
It states bushing 2 to be arranged in the inner cavity of the sleeve body 1, the bushing 2 is the copper product of expanded by heating and the diminution that is cooled, described
Bushing 2 in the inner cavity of the sleeve body 1, is preset between the sleeve body 1 and the bushing 2 for described in advance
The expansion clearance reserved when sleeve body 1 and the welded unit 3 are weldingly connected for the bushing 2.In view of copper bushing 2
" the cooling meat amount " after " elastic recovery amount ", the welding of sleeve assembly flameproof enclosure after internal diameter extruding, between the expansion
Gap is 0.1mm.By the way that first bushing is mounted in sleeve body in advance, and between the above-mentioned expansion reserved between sleeve body and bushing
Gap, when sleeve body to be weldingly fixed on welded unit, bushing effect of being expanded with heat and contract with cold is fitted closely with sleeve body,
It solves and needs that first sleeve body 1 is welded on welded unit 3 in the prior art, then bushing 2 is passed through into " artificial hammering method "
It is assemblied among sleeve body 1, it is also necessary to the internal diameter of copper bush 102 its deviation, surface roughness ream be added manually
Work is to required value, and above-mentioned procedure of processing causes to need that above-mentioned installment work could be completed by lifting or mechanical handing, seriously
The problem of influencing assembly efficiency.The application not only overcomes the high problem of existing sleeve assembly assembly difficulty, and passes through bushing 2
Expand with heat and contract with cold bushing 2 and sleeve body 1 made further to be fixed together solid and reliablely, improve bushing 2 and sleeve body 1
Assembly efficiency and assembly yield rate.
In the technical scheme, the bushing 2 is connected by way of flaring press fitting with the sleeve body 1 assembly, position
Opening in 1 both ends of sleeve body, the circumferential direction of open edge position are equipped with for limiting to the bushing 2
Bushing 2 is assemblied on sleeve body 1, not only relative to existing " artificial hammering method " by inclined surface 4 by flaring press-loading apparatus
Effectively improve the assembly efficiency of sleeve assembly, and being flared the compression bar of press-loading apparatus can be with completely into 2 inner cavity of bushing
The final extrusion molding to 2 internal diameter of bushing is completed together, to make 2 surface burnishing-in of bushing to roughness 2 surface burnishing-in of bushing
Ra≤6.3um improves product quality while promoting assembly efficiency.The sleeve body 1 its opening plunger tip taper β be
60 degree, 4 depth of inclined surface is 2mm.Its plunger tip taper of the sleeve body 1 is 60 °, and flaring amount is 30%；According to GB/
T16866-2006 " copper and copper alloy seamless pipe material outer dimension and tolerance ", outer diameter tolerance grade: IT9, IT10, surface
Roughness Ra≤1.6um.Copper sheathing port can be flared 60 ° of taper as a result, and can limit copper product bushing 2 its it is circumferentially mobile from
By spending.Above-mentioned inclined surface 4 is circular cone surface chamfer, and bushing 2 forms the joint face that plunger tip taper α is 60 degree by flaring, effectively
Contain the flaring of bushing 2, the Plastic Flow for pressing and being formed and match synthesis type, between the flaring and sleeve body 1 for ensureing bushing 2
Connection dependability.
In the technical scheme, as shown in Figure 6 and Figure 7, it is provided on the sleeve body 1 for preventing the bushing 2
Along the location structure 5 of 1 circumferential direction of sleeve body rotation, including four be arranged in 4 circumferential direction of inclined surface
Limiting slot, the limiting slot are the groove of the V-shaped structure in cross section, and the depth of limiting slot is 1mm.Bushing 2 passes through flaring pressure
When the mode of dress is connected with the sleeve body 1 assembly, the end edge position of bushing 2 is embedded in above-mentioned limiting slot, limiting slot pair
The position-limiting action that bushing 2 plays.Moreover, the bushing 2 is heated when the sleeve body 1 and the welded unit 3 are weldingly connected
It is completely embedded into limiting slot under expansion and the shrinkage stress generated when the bushing 2 is cooling effect, further makes bushing 2 tightly
It rides on the inclined surface 4 of sleeve body 1, can effectively be welded in flaring press fitting and sleeve body 1 by above-mentioned limiting slot
It is fitted tightly over bushing 2 on sleeve body 1, prevents the bushing 2 circumferential along the sleeve body 1 by limiting slot
Direction rotation.It is even closer that the limiting slot of " V " shape structure can be such that bushing 2 is bonded with sleeve body 1, effectively described in prevention
Bushing 2 is rotated along 1 circumferential direction of sleeve body.
First bushing 2 is connected by way of flaring press fitting with the sleeve body 1 assembly in the application, the end of bushing 2
Portion's marginal position is embedded in above-mentioned limiting slot, and the position-limiting action that limiting slot plays bushing 2 is reserved between sleeve body and bushing
The sleeve assembly being made of bushing 2 and sleeve body 1 is welded on flameproof enclosure, in the welding process bushing 2 by expansion clearance
Effect of being expanded with heat and contract with cold is fitted closely with sleeve body 1, and the end of bushing 2 is inlaid in limiting slot completely.Relative to existing
Technology is not necessarily to that above-mentioned installment work can be completed by lifting or mechanical handing.Moreover, without " artificial hammering method " is used
Bushing 2 is processed with hand reamer, effectively improves the assembly efficiency and assembly yield rate of bushing 2 and sleeve body 1.
Certainly, the present patent application is and 4 depth of inclined surface does not do specific limit to plunger tip taper of sleeve body 1 its opening
System, in other embodiments, the plunger tip taper of its opening of sleeve body 1 are 45, and 4 depth of inclined surface is 2mm.
Certainly, the present patent application is not particularly limited the size of expansion clearance, in other embodiments, between the expansion
Gap is 0.05mm or 0.08mm.
A kind of axle sleeve processing unit (plant), for processing above-mentioned sleeve body 1, as shown in figure 11 comprising:
Lower die 6, sleeve body 1 are fixed in the lower die 6；
Upper mold 7, be driven towards 6 direction of lower die close to or far from, pressure head 8 is provided in the lower die 6, it is described
Pressure head 8 is towards in 6 moving process of lower die, inclination of the processing for limiting to the bushing 2 on the sleeve body 1
Face 4 and location structure 5 for preventing the bushing 2 from rotating along 1 circumferential direction of sleeve body, the location structure 5
For the limiting slot for being arranged in its open edge position of sleeve body 1, have on the pressure head 8 towards the sleeve body 1
The convex ribs of its internal chamber wall protrusion.
The production method of the sleeve assembly, comprising the following steps:
Step S1 produces the sleeve body 1 and the bushing 2, by above-mentioned axle sleeve processing unit (plant) in the sleeve body
1 open-ended edge processes inclined surface 4 for limiting to the bushing 2 and for preventing the bushing 2 along the axis
Cover the location structure 5 of 1 circumferential direction of ontology rotation；
The bushing 2 is assemblied in the sleeve body 1 by step S2, forms sleeve assembly, and bushing 2 passes through flaring press fitting
Mode be assemblied in the sleeve body 1,2 end of bushing fits with the inclined surface 4；
Whether step S3 checks that the bushing 2 is open-ended has crackle, and having crackle, then sleeve assembly is unqualified, on the contrary then close
Lattice；
Torsion test is carried out to the bushing 2 in the sleeve body 1, whether detects the bushing 2 relative to described
Sleeve body 1 rotates, and the then sleeve assembly that rotates is unqualified, on the contrary then qualified；
Hydraulic pressure test is carried out to the sleeve assembly, detect on the joint face of the sleeve body 1 and the bushing 2 whether
It has water leakage, infiltration occurs, and then sleeve assembly is unqualified, on the contrary then qualified；
The sleeve body 1 is fixed on the welded unit 3 by step S4 by welding manner.
Embodiment 2
The present embodiment the difference from embodiment 1 is that, the present embodiment provides a kind of flame-proof electric equipments, as shown in Figure 10,
Including flameproof enclosure and sleeve assembly, the sleeve body 1 and the flameproof enclosure are fixedly linked by welding manner.Institute
Stating sleeve body 1 is conversion axle sleeve as shown in Figure 1 to Figure 3, and the location structure 5 includes that the sleeve body 1 is arranged in
Bending seamed edge 12 on inner cavity, the bushing 2 are connected by way of flaring press fitting with the sleeve body 1 assembly, and length is formed
Cube structure, the bending seamed edge 12 prevent the bushing 2 from rotating along 1 circumferential direction of sleeve body.The sleeve body 1
For rectangular parallelepiped structure, above-mentioned bending seamed edge 12 is the bending part of 1 its side wall of sleeve body of rectangular parallelepiped structure.The sleeve body
1 and the welded unit 3 when being weldingly connected, 2 expanded by heating of bushing and the shrinkage stress generated when the bushing 2 is cooling
It is bonded and is connected with sleeve body 1 its side wall completely under effect, the bushing 2 of copper material forms identical and complete as 1 shape of sleeve body
The cuboid being bonded entirely prevents the bushing 2 from rotating along 1 circumferential direction of sleeve body.
Certainly, the present patent application is not particularly limited the shape of sleeve body 1, in other embodiments, sleeve body 1
It can also be triangle or other irregular shapes.
Certainly, the present patent application is not particularly limited the set-up mode of sleeve body 1, in other embodiments, such as Fig. 8
With push-button socket shown in Fig. 9, multiple cavities for being equipped with copper bushing 2 are provided on push-button socket.
The production method of the sleeve assembly, comprising the following steps:
Step S1 produces the sleeve body 1 and bushing 2 of rectangular parallelepiped structure, by above-mentioned axle sleeve processing unit (plant) in the axle sleeve
The open-ended edge of ontology 1 processes the inclined surface 4 for limiting to the bushing 2；
The bushing 2 is assemblied in the sleeve body 1 by step S2, forms sleeve assembly, and bushing 2 passes through flaring press fitting
Mode be assemblied in the sleeve body 1,2 end of bushing fits with the inclined surface 4；
Whether step S3 checks that the bushing 2 is open-ended has crackle, and having crackle, then sleeve assembly is unqualified, on the contrary then close
Lattice；
Torsion test is carried out to the bushing 2 in the sleeve body 1, whether detects the bushing 2 relative to described
Sleeve body 1 rotates, and the then sleeve assembly that rotates is unqualified, on the contrary then qualified；
Hydraulic pressure test is carried out to the sleeve assembly, detect on the joint face of the sleeve body 1 and the bushing 2 whether
It has water leakage, infiltration occurs, and then sleeve assembly is unqualified, on the contrary then qualified；
The sleeve body 1 is fixed on the welded unit 3 by step S4 by welding manner.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes still within the protection scope of the invention.
Claims (16)
1. a kind of sleeve assembly, comprising: sleeve body (1), bushing (2), which is characterized in that
The sleeve body (1) is fixed on welded unit (3) by welding manner, and the bushing (2) is arranged in the axle sleeve
In the inner cavity of ontology (1), the bushing (2) is the material of expanded by heating and the diminution that is cooled, and the bushing (2) is mounted in the axis in advance
In the inner cavity for covering ontology (1), it is preset between the sleeve body (1) and the bushing (2) in the sleeve body (1)
The expansion clearance reserved when being weldingly connected with the welded unit (3) for the bushing (2).
2. sleeve assembly according to claim 1, which is characterized in that the expansion clearance is 0.05mm to 0.1mm.
3. sleeve assembly according to claim 1 or 2, which is characterized in that the bushing (2) is by way of flaring press fitting
Be connected with the sleeve body (1) assembly, the opening positioned at the sleeve body (1) wherein one or both ends, open edge
Position is equipped with the inclined surface (4) for limiting to the bushing (2).
4. sleeve assembly according to claim 3, which is characterized in that the plunger tip taper of its opening of the sleeve body (1)
It is 45 degree to 60 degree, inclined surface (4) depth is 2mm.
5. sleeve assembly according to any one of claim 1 to 4, which is characterized in that be arranged on the sleeve body (1)
There are the location structure (5) for preventing the bushing (2) from rotating along the sleeve body (1) circumferential direction, the sleeve body
(1) when and the welded unit (3) is weldingly connected, bushing (2) expanded by heating is simultaneously generated when the bushing (2) are cooling
Shrinkage stress effect is lower to be fitted closely with the location structure (5).
6. sleeve assembly according to claim 5, which is characterized in that its circumferential direction of the opening of sleeve body (1) end
Direction is equipped with the inclined surface (4) for limiting to the bushing (2), and the location structure (5) includes being arranged in the inclination
At least one limiting slot in face (4) circumferential direction.
7. sleeve assembly according to claim 6, which is characterized in that the limiting slot is the V-shaped structure in cross section
Groove.
8. sleeve assembly according to claim 7, which is characterized in that the depth of the limiting slot is 0.5mm to 1mm.
9. sleeve assembly according to claim 5, which is characterized in that the location structure (5) includes being arranged in the axis
The bending seamed edge (12) on the inner cavity of ontology (1) is covered, the bending seamed edge (12) prevents the bushing (2) along the sleeve body
(1) circumferential direction rotates.
10. a kind of flame-proof electric equipment characterized by comprising
Welded unit (3), the welded unit (3) are flameproof enclosure；
Sleeve assembly described in any claim in claim 1-9, the sleeve body (1) and the flameproof enclosure pass through
Welding manner is fixedly linked.
11. a kind of production method of sleeve assembly of any of claims 1-9, which is characterized in that including following step
It is rapid:
Step S1 produces the sleeve body (1) and the bushing (2)；
The bushing (2) is assemblied in the sleeve body (1) by step S2, forms sleeve assembly；
The sleeve body (1) is fixed on the welded unit (3) by step S3 by welding manner.
12. the production method of sleeve assembly according to claim 11, which is characterized in that
The step S1, the step of producing the sleeve body (1) include: at the open-ended edge of the sleeve body (1)
Process the inclined surface (4) for limiting to the bushing (2)；
The step that the bushing (2) is assemblied in the sleeve body (1) is included: by flaring press fitting by the step S2
The bushing (2) is assemblied in the sleeve body (1) by mode, and bushing (2) end is affixed with the inclined surface (4)
It closes.
13. the production method of sleeve assembly according to claim 12, which is characterized in that the step S1, described in production
The step of sleeve body (1) includes: processing location structure (5) in the circumferential direction of the inclined surface (4).
14. the production method of sleeve assembly according to claim 11, which is characterized in that
It further include step S2-1 between step S2 and step S3, the step S2-1 includes:
Whether have crackle, having crackle, then sleeve assembly is unqualified if checking that the bushing (2) is open-ended；
Torsion test is carried out to the bushing (2) in the sleeve body (1), whether detects the bushing (2) relative to institute
It states sleeve body (1) to rotate, the then sleeve assembly that rotates is unqualified；
Hydraulic pressure test is carried out to the sleeve assembly, detect on the joint face of the sleeve body (1) and the bushing (2) whether
It has water leakage, infiltration occurs, and then sleeve assembly is unqualified.
15. a kind of axle sleeve processing unit (plant), which is characterized in that for processing axis described in any claim in claim 1-9
It covers ontology (1) comprising:
Lower die (6), sleeve body (1) are fixed on the lower die (6)；
Upper mold (7), be driven towards the lower die (6) direction close to or far from, be provided with pressure head (8) on the lower die (6),
The pressure head (8) is towards in the lower die (6) moving process, and processing is for the bushing on the sleeve body (1)
(2) inclined surface (4) limited and the positioning for preventing the bushing (2) from rotating along the sleeve body (1) circumferential direction
Structure (5).
16. axle sleeve processing unit (plant) according to claim 15, which is characterized in that the location structure (5) is is arranged in
It states the limiting slot of sleeve body (1) its open edge position, has on the pressure head (8) towards the sleeve body (1) in it
The convex ribs of cavity wall protrusion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811647563.4A CN109681529B (en) | 2018-12-29 | 2018-12-29 | Shaft sleeve assembly and production method thereof, and explosion-proof electrical equipment and shaft sleeve processing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811647563.4A CN109681529B (en) | 2018-12-29 | 2018-12-29 | Shaft sleeve assembly and production method thereof, and explosion-proof electrical equipment and shaft sleeve processing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109681529A true CN109681529A (en) | 2019-04-26 |
| CN109681529B CN109681529B (en) | 2020-08-28 |
Family
ID=66191663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811647563.4A Active CN109681529B (en) | 2018-12-29 | 2018-12-29 | Shaft sleeve assembly and production method thereof, and explosion-proof electrical equipment and shaft sleeve processing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109681529B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1185794B (en) * | 1985-03-15 | 1987-11-18 | Trione & C Spa G | BUSH WITH THRUST BEARING AND PROCEDURE FOR ITS MANUFACTURE |
| CN1826478A (en) * | 2003-06-11 | 2006-08-30 | 石川岛播磨重工业株式会社 | Rotating member, housing, bearing, gearbox, rotating machine, shaft structure, and surface treatment method |
| CN1837629A (en) * | 2006-04-20 | 2006-09-27 | 浙江双飞无油轴承有限公司 | Method for manufacturing bimetal shaft sleeve with flange |
| CN2888164Y (en) * | 2006-04-29 | 2007-04-11 | 浙江双飞无油轴承有限公司 | Seamless double-metal sliding bearing |
| CN200996411Y (en) * | 2006-12-29 | 2007-12-26 | 石鹏 | Axle sleeve |
| CN202971579U (en) * | 2012-11-16 | 2013-06-05 | 诸暨市中天工业有限公司 | Steel-copper composite shaft sleeve |
| CN204222834U (en) * | 2014-11-17 | 2015-03-25 | 安徽江淮汽车股份有限公司 | A kind of auto pedal assembly and automobile |
| CN104948586A (en) * | 2014-03-25 | 2015-09-30 | 杨洪彬 | Bimetal compound wear-proof cover |
-
2018
- 2018-12-29 CN CN201811647563.4A patent/CN109681529B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1185794B (en) * | 1985-03-15 | 1987-11-18 | Trione & C Spa G | BUSH WITH THRUST BEARING AND PROCEDURE FOR ITS MANUFACTURE |
| CN1826478A (en) * | 2003-06-11 | 2006-08-30 | 石川岛播磨重工业株式会社 | Rotating member, housing, bearing, gearbox, rotating machine, shaft structure, and surface treatment method |
| CN1837629A (en) * | 2006-04-20 | 2006-09-27 | 浙江双飞无油轴承有限公司 | Method for manufacturing bimetal shaft sleeve with flange |
| CN2888164Y (en) * | 2006-04-29 | 2007-04-11 | 浙江双飞无油轴承有限公司 | Seamless double-metal sliding bearing |
| CN200996411Y (en) * | 2006-12-29 | 2007-12-26 | 石鹏 | Axle sleeve |
| CN202971579U (en) * | 2012-11-16 | 2013-06-05 | 诸暨市中天工业有限公司 | Steel-copper composite shaft sleeve |
| CN104948586A (en) * | 2014-03-25 | 2015-09-30 | 杨洪彬 | Bimetal compound wear-proof cover |
| CN204222834U (en) * | 2014-11-17 | 2015-03-25 | 安徽江淮汽车股份有限公司 | A kind of auto pedal assembly and automobile |
Non-Patent Citations (1)
| Title |
|---|
| 宋功业: "《混凝土结构工程施工》", 31 August 2016 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109681529B (en) | 2020-08-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105195680A (en) | Graphite mold core for titanium alloy casting, casting mold and casting method | |
| CN103381441A (en) | Hot stamping formation processing method for thin-walled titanium alloy sealing head | |
| KR101487215B1 (en) | Bonding method for cooling line of die-casting mold using explosive welding and, die-casting mold manufactured by the same | |
| CN111054870B (en) | Ultra-long upsetting device for large-wall-thickness seamless steel pipe and using method thereof | |
| CN103733450B (en) | Spark plug | |
| CA2441472A1 (en) | Drum commutator and method for producing the same | |
| US6470958B1 (en) | Method of Producing a cooling plate for iron and steel-making furnaces | |
| CN109681529A (en) | Sleeve assembly and its production method and flame-proof electric equipment and axle sleeve processing unit (plant) | |
| CN101946129B (en) | Glow tube for a sheathed-type glow plug and method for the production thereof | |
| CN209385500U (en) | Sleeve assembly and flame-proof electric equipment and axle sleeve processing unit (plant) | |
| CN102168930A (en) | Heat pipe and manufacturing method thereof | |
| CN209407366U (en) | A kind of dissection type water jacket for the high pulling rate crystallizer of continuous small-billet casting | |
| CN105300138A (en) | Heat exchanger arrangement, especially for a vehicle heater | |
| CN109513891A (en) | A kind of dissection type water jacket for the high pulling rate crystallizer of continuous small-billet casting | |
| CN110732595B (en) | Mould for hot forming and/or press hardening of sheet metal and method for producing cooling tool section | |
| CN102025060A (en) | Electrical contact element for high-current plug connectors and manufacturing method | |
| CN102369131B (en) | Steering rack housing comprising cross-sectional contractions | |
| CN101071052A (en) | Steel-made radiating fin, radiator with same and its manufacturing method | |
| CN206247305U (en) | The protection sleeve pipe and high temperature waste hot boiler of waste heat boiler | |
| CN205614030U (en) | Engine cylinder cover centrifugal cast mould | |
| US20110079068A1 (en) | Method for manufacturing a cooling plate for a metallurgical furnace | |
| CN219663629U (en) | Polycrystalline compact composite assembly block | |
| CN218972083U (en) | Tubular part and ingot for manufacturing tubular part | |
| JP2013505393A (en) | Screw spindle machine and manufacturing method thereof | |
| CN201596752U (en) | Novel centrifugal casting furnace tube model |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |