CN109532370A - A kind of band lip block hollow sphere pin shaft and manufacturing method - Google Patents
A kind of band lip block hollow sphere pin shaft and manufacturing method Download PDFInfo
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- CN109532370A CN109532370A CN201811650794.0A CN201811650794A CN109532370A CN 109532370 A CN109532370 A CN 109532370A CN 201811650794 A CN201811650794 A CN 201811650794A CN 109532370 A CN109532370 A CN 109532370A
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- hollow sphere
- cushion block
- sphere pin
- block
- pin shaft
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 27
- 238000009987 spinning Methods 0.000 claims abstract description 10
- 230000006835 compression Effects 0.000 claims abstract description 8
- 238000007906 compression Methods 0.000 claims abstract description 8
- 239000002994 raw material Substances 0.000 claims abstract description 7
- 238000007373 indentation Methods 0.000 claims abstract description 6
- 238000007493 shaping process Methods 0.000 claims abstract description 5
- 125000004122 cyclic group Chemical group 0.000 claims description 34
- 238000004080 punching Methods 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 7
- 238000005553 drilling Methods 0.000 claims description 6
- 238000003754 machining Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 19
- 230000008569 process Effects 0.000 abstract description 13
- 238000010438 heat treatment Methods 0.000 abstract description 9
- 239000000725 suspension Substances 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 5
- 239000002184 metal Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 241000973497 Siphonognathus argyrophanes Species 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 229920003225 polyurethane elastomer Polymers 0.000 description 2
- 230000036316 preload Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000005496 tempering Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000013536 elastomeric material Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G7/00—Pivoted suspension arms; Accessories thereof
- B60G7/005—Ball joints
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2206/00—Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
- B60G2206/01—Constructional features of suspension elements, e.g. arms, dampers, springs
- B60G2206/80—Manufacturing procedures
- B60G2206/81—Shaping
- B60G2206/8102—Shaping by stamping
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2206/00—Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
- B60G2206/01—Constructional features of suspension elements, e.g. arms, dampers, springs
- B60G2206/80—Manufacturing procedures
- B60G2206/81—Shaping
- B60G2206/8105—Shaping by extrusion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2206/00—Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
- B60G2206/01—Constructional features of suspension elements, e.g. arms, dampers, springs
- B60G2206/80—Manufacturing procedures
- B60G2206/81—Shaping
- B60G2206/8106—Shaping by thermal treatment, e.g. curing hardening, vulcanisation
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pivots And Pivotal Connections (AREA)
Abstract
The invention discloses a kind of band lip block hollow sphere pin shaft and manufacturing methods, especially automotive suspension distance rod ball pin axis, it is characterized in that ball pin axis is via hollow structure, respectively press-fitting has an Apertured cushion block inside the spindle nose of both ends, the cushion block is rectangular block shape circular or with holes, cooperate with the hollow oral area of ball pin both ends spindle nose, to bear the bolt pretightening when installation of distance rod ball pin axis, hollow spindle nose is prevented to be crushed.The present invention provides a kind of manufacturing methods with lip block hollow sphere pin shaft, it is characterized in that hollow sphere pin shaft uses seamless tubular goods for raw material, preform-shaft end oral area indentation cushion block-is flattened by spinning or axial compression necking tube reducing-shaft end to rush the crowded shaping shaft end mounting hole-heat treatment series of processes of shaft end mounting hole-expansion in advance and complete, it is short with production procedure, product light weight effect is good, the high effect of comprehensive performance.
Description
Technical field
The present invention relates to the metal ball pin shafts of automotive suspension flexural pivot, in particular to commercial vehicle equalizing type of suspension distance rod ball pin
Axis.
Background technique
Various flexural pivots are largely used on automotive suspension, the component that flexural pivot is linked allows to have a certain range of torsionoscillation.
Such as automotive track bar flexural pivot, on all kinds of commercial vehicles, engineering truck and the special-purpose vehicle with equalizing type of suspension.Distance rod is about
Two power bars of beam vehicle bridge and vehicle frame extreme position play a part of guaranteeing that wheel is on correct track when vehicle driving.Distance rod
It is made of shaft, head and the thrust rod ball hinge or propulsion rod joint being press-fitted to inside head.Thrust rod ball hinge connects
Head is made of the end cap of intermediate metal ball pin shaft and the elastomeric material and two sides that are wrapped in outside.It can be generally divided into:
The connector class flexural pivot of joint bearing type flexural pivot and package rubber or polyurethane elastomer class, the former leans on the spherical surface of ball pin and bowl-shape pass
Bearings cooperate and allow to be freely rotated in a certain range, flexible deformation of the latter by rubber or polyurethane elastomer class material
Allow certain to rock rotation.Metal ball pin shaft inside thrust rod ball hinge or connector and it is wrapped in bullet on ball pin axis or ball bowl
The intensity and fatigue performance of property body.Traditional ball pin production method of shaft generally forges, and is solid overall structure, it is difficult to meet
Higher and higher automotive light weight technology requirement, higher cost big using bulk heat treatmet energy consumption.
Summary of the invention
The invention discloses a kind of band lip block hollow sphere pin shaft and manufacturing methods, guarantee hollow sphere pin shaft both ends spindle nose
Bonding strength at lateral bolt mounting holes reaches while promote vehicle light-weighted purpose, simplifies part manufacturing process.
A kind of technical solution with lip block hollow sphere pin shaft of the present invention are as follows: by the hollow sphere pin body of via hollow
It is constituted with Apertured cushion block, Apertured cushion block is press-fitted to ball pin axis both ends spindle nose oral area, the oral area at closure ball pin body both ends；It is with holes
Cushion block is the cyclic annular cushion block with pre-manufactured hole or the rectangular block shape cushion block with pre-manufactured hole, and Apertured cushion block can bear ball pin axis peace
Bolt fixed preload when dress, the bolt conquassation for preventing the both ends spindle nose hollow parts of hollow sphere pin shaft from being fastened.
Further, the cyclic annular cushion block with pre-manufactured hole or the rectangular block shape cushion block with pre-manufactured hole and hollow sphere pin shaft sheet
The approximate rectangular inner hole of body both ends spindle nose oral area is interference fitted；The prefabricated bore dia is equal to or more than hollow sphere pin body two
The lateral bolt mounting holes diameter for holding spindle nose to require.
Further, the cyclic annular cushion block with pre-manufactured hole runs through the lateral circular hole interference of hollow sphere pin body both ends processing
Cooperation, the pre-manufactured hole of cyclic annular cushion block is the lateral bolt mounting holes of hollow sphere pin body both ends spindle nose requirement.
Further, the prefabricated axially bored line and hollow sphere pin body two end axles of the cyclic annular cushion block or rectangular block shape cushion block
The lateral bolt mounting holes axis of head mounting surface is concentric.
Further, the hardness and strength of the cyclic annular cushion block or rectangular block shape cushion block are all larger than hollow sphere pin body material
Material can bear stamping press when punching or bear the fastening force of installation bolt.
Further, the inner hole inner edge of the lateral bolt mounting holes of both ends spindle nose of the hollow sphere pin body has inside to turn over
Side, the flange constraint cyclic annular cushion block or rectangular block shape cushion block cannot be deviate from.
A kind of above-mentioned manufacturing method with lip block hollow sphere pin shaft, steps are as follows:
(1) cyclic annular cushion block of the processing with pre-manufactured hole or the rectangular block shape cushion block with pre-manufactured hole；
(2) hollow sphere pin shaft is processed
(2.1) it uses seamless tubular goods for raw material, deutostoma is shaped by spinning or axial compression necking tube reducing, shaft end press flat forming
Portion section is near rectangular shape, obtains the hollow sphere pin body of via hollow；
(2.2) the cyclic annular cushion block that hollow sphere pin body both ends spindle nose oral area inner hole indentation step (1) of sky obtains in through-holes
Or rectangular block shape cushion block cushion block；The lateral bolt mounting holes that punching press or drilling processing hollow sphere pin body both ends spindle nose require.
(3) band lip block hollow sphere pin shaft is heat-treated, reaches scheduled hardness and strength.
In a kind of above-mentioned manufacturing method with lip block hollow sphere pin shaft, processing hollow sphere pin body both ends
The lateral bolt mounting holes that spindle nose requires include 2 steps:
A. pre- punching forming or the lateral bolt mounting holes of drilling, reserve machining allowance；
B. expand and squeeze the lateral bolt mounting holes of shaping, inner hole inner edge forms inside port blockage, and constraint cushion block cannot be deviate from.
A kind of above-mentioned another manufacturing method with lip block hollow sphere pin shaft, steps are as follows:
(1) processing has the cyclic annular cushion block of pre-manufactured hole, and the pre-manufactured hole of cyclic annular cushion block is the spindle nose requirement of hollow sphere pin body both ends
Lateral bolt mounting holes；
(2) hollow sphere pin shaft is processed
(2.1) it uses seamless tubular goods for raw material, deutostoma is shaped by spinning or axial compression necking tube reducing, shaft end press flat forming
Portion section is near rectangular shape, obtains the hollow sphere pin body of via hollow；
(2.2) loop pads are installed in the lateral bolt mounting holes position processing required according to hollow sphere pin body both ends spindle nose
The lateral circular hole of block；
(2.3) cyclic annular cushion block interference fit is pressed into lateral circular hole.
(3) band lip block hollow sphere pin shaft is heat-treated, reaches scheduled hardness and strength.
The utility model has the advantages that band lip block hollow sphere pin shaft provided by the invention has preferable light weight effect, pad with holes
Block can bear the bolt fixed preload when installation of ball pin axis, prevent the both ends spindle nose hollow parts of hollow sphere pin shaft from being fastened
Bolt conquassation, it is ensured that ball pin axis both ends spindle nose have preferable intensity, be able to bear bigger load；Apertured cushion block
Increase, the inner hole of both ends spindle nose can be closed, internal corrosion problem caused by avoiding inner hole coating bad；Band provided by the invention
The manufacturing method of lip block hollow sphere pin shaft using the lateral bolt mounting holes of processing inside cushion block support hollow shaft head, and is adopted
It is squeezed with preprocessing and expansion and is shaped twice, kept cushion block closer in hollow shaft head internal engagement, improve the efficiency of processing, while can
To obtain hole and the chamfer dimesion of higher precision, the manufacturing process of ball pin axis is shortened, processing method is simple and easy.
Detailed description of the invention
Fig. 1 show the schematic cross-sectional view of the invention with lip block hollow sphere pin shaft embodiment 1.
Fig. 2 show the schematic cross-sectional view of the invention with lip block hollow sphere pin shaft embodiment 2.
Fig. 3 show another schematic cross-sectional view of the invention with lip block hollow sphere pin shaft embodiment 1.
Fig. 4 show the schematic cross-sectional view of the invention with lip block hollow sphere pin shaft embodiment 3.
Fig. 5 show the schematic cross-sectional view of the invention with lip block hollow sphere pin shaft embodiment 4.
Fig. 6 is a kind of process flow diagram of manufacturing method of the invention with lip block hollow sphere pin shaft.
Fig. 7 product structural form between a kind of process of manufacturing method of the invention with lip block hollow sphere pin shaft
Change schematic diagram.
Fig. 8 is pre-punched hole and secondary squeezed hole in a kind of manufacturing method of the invention with lip block hollow sphere pin shaft
Schematic diagram.
It is as shown in the figure: 1, hollow sphere pin body, 2, cyclic annular cushion block, 3, rectangle cushion block, 4, passing punch, 5, secondary
Squeeze hole-expansion punch, 6, punched scrap.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing to the present invention make into
It is described in detail to one step, it is clear that the described embodiments are only some of the embodiments of the present invention, rather than whole implementation
Example.Based on the embodiments of the present invention, obtained by those of ordinary skill in the art without making creative efforts
All other embodiment, shall fall within the protection scope of the present invention.
It is as shown in Figure 1, Figure 3 to there is one to have pre-manufactured hole at 1 bolts at two ends fixation hole of hollow sphere pin body respectively
Cyclic annular cushion block 2, the ring-type cushion block is from the oral area of 1 both ends spindle nose of hollow sphere pin body along the axial interference of hollow sphere pin body 1
Cooperation indentation.
Be illustrated in figure 2 at 1 bolts at two ends fixation hole of hollow sphere pin body has a rectangular pad for having pre-manufactured hole respectively
Block 3, the cushion block are axially forced to be interference fitted from the oral area of 1 both ends spindle nose of hollow sphere pin body along hollow sphere pin body 1.
The pre-manufactured hole or the pre-manufactured hole on rectangle cushion block 3 of the ring-type cushion block 2 can open up chamfering or rounding.
1 two end axles head of hollow sphere pin body generally has side plane for fixation, for installing the bolt of fastening, the side
It can be obtained to bolt mounting holes using drilling or using formed punch punching press, and pre-manufactured hole or rectangle cushion block 3 with cyclic annular cushion block 2
Pre-manufactured hole it is concentric.
As shown in figure 4, the prefabricated bore dia of annular cushion block 2 is greater than the lateral bolt of 1 both ends spindle nose of hollow sphere pin body
Mounting hole；The lateral bolt mounting holes in 1 both ends of hollow sphere pin body can be expanded by plastic deformation and squeeze out flange, to constrain
Cyclic annular cushion block 2 will not be deviate from from hollow sphere pin body 1；Similarly suitable prefabricated bore dia is greater than 1 liang of hollow sphere pin body
The rectangle cushion block 3 for holding the lateral bolt mounting holes of spindle nose also can be used turnup structure constraint rectangle cushion block 3, prevent its abjection.
As shown in figure 5, can be by annular cushion block 2 along the side of the bolt mounting holes of 1 both ends spindle nose of hollow sphere pin body
To indentation, and run through the side plane of 1 both ends spindle nose of hollow sphere pin body, prevents cyclic annular cushion block 2 de- by being interference fitted constraint
Out.
Due to having cyclic annular cushion block 2 or rectangle cushion block 3 inside 1 both ends spindle nose of hollow sphere pin body, bolt is being installed simultaneously
When tightening, it will not be crushed or flatten there is a situation where 1 both ends spindle nose oral area of hollow sphere pin body, improve hollow ball pin
Reliability.
It is close for cooperation between cyclic annular cushion block 2 or rectangle cushion block 3 and hollow sphere pin body 1, it can be by hollow sphere pin shaft
The oral area at 1 both ends of ontology is closed, and cavity and atmospheric environment inside ball pin are kept apart.
When necessary, it can further be sealed using applying sealant or painting class airtight and watertight padding, completely enclose hollow sphere pin shaft
Cavity inside ontology 1 is not connected to ambient atmosphere, can prevent occurring corrosion problem inside hollow sphere pin body 1.
Hollow sphere pin body 1 can will usually be carried out necessary pre- using 45 steel, the tubing of 40Cr or 42CrMo material
Heat treatment, such as spheroidising make it have good plasticity, are conducive to the forming of hollow sphere pin body 1.
The forming of hollow sphere pin body 1 can be using spinning or axial compression forming.
Cyclic annular cushion block 2 or rectangle cushion block 3 can use quenched 45 steel, 40Cr or 42CrMo material, to guarantee that it has
Higher intensity and hardness.
When 1 both ends spindle nose side plane hole of hollow sphere pin body uses punch process, cyclic annular cushion block 2 or rectangle cushion block 3 are risen
To the supporting role of interior cavity plate.
The process flow for being illustrated in figure 6 a kind of manufacturing method provided by the invention with lip block hollow sphere pin shaft is shown
It is intended to, Fig. 7 product structural form between a kind of process of manufacturing method of the invention with lip block hollow sphere pin shaft changes
Schematic diagram further illustrates band lip block hollow sphere pin shaft manufacturing method provided by the invention now in conjunction with Fig. 6, Fig. 7:
(1) raw material selection seamless tubular goods is shaped by spinning or axial compression, is carried out necking tube reducing to tubing both ends, is obtained
Thicker spherical is expanded for axisymmetric centre, and the lesser original shape of both ends diameter；
(2) hollow sphere pin body both ends spindle nose is flattened into preform in mold, is configured to both ends oral area approximate rectangular
Section needs to fill in the contour mold of the Apertured cushion block to be filled in subsequent handling in the oral area of both ends spindle nose in advance when necessary
There is indent wave when flattening, avoid the Apertured cushion block of subsequent handling that from can not being pressed into cushion block, prevention round tube mouth；Obviously, the process
It is required that round tube mouth inner circumferential length is approximately equal to the subsequent handling cushion block perimeter to be pressed into, or it is slightly less than what subsequent handling to be pressed into
The Apertured cushion block and hollow sphere pin shaft both ends spindle nose inner tight that cushion block perimeter, in this way guarantee subsequent handling are pressed into cooperate；
(3) (cyclic annular or rectangular block shape) Apertured cushion block is pressed into the hole of hollow sphere pin shaft both ends spindle nose oral area, formation is closely matched
It closes；Obviously, procedure calls indentation is along hollow sphere pin body axis direction；
(4) formed punch punching hollow ball pin axis spindle nose side plane is used, lateral bolt mounting holes is formed, reserves machining allowance；It can be with
The pre-manufactured hole for going out two opposite side planes simultaneously using two sides formed punch, can also repeatedly go out the pre-manufactured hole in each face respectively；
(5) expanded again using the formed punch with the guiding conical surface and squeeze lateral bolt mounting holes and reach predetermined size, and form aperture
Chamfering or rounding；The technique can also use same stepped punch with previous process, primary to complete punching and expand to squeeze hole process；
(6) heat treatment of ball pin axis is carried out, scheduled hardness and strength are reached；Heat treatment can be quenched using bulk heat treatmet or surface
Burning hot processing, generally requires tempering destressing, improves the fatigue durability of ball pin axis.
The above-mentioned manufacturing method with lip block hollow sphere pin shaft, drop simpler than traditional solid solid forging process
The low consumption of material, more reduces the cost of heat treatment.
Fig. 8 is that pre-punched hole and secondary squeezed hole show in a kind of manufacturing method of the invention with lip block hollow sphere pin shaft
It is intended to；Left side is the schematic diagram of pre-punched hole in figure, and passing punch 3 is pressed into hollow sphere pin body 1, and cushion block 2 is used as cavity plate, is produced
Raw punched scrap 5 temporarily stay in hollow sphere pin body 1 (formed punch be pressed into both ends spindle nose mounting surface when, cushion block inner hole make
It is supported inside the spindle nose of hollow sphere pin shaft both ends for punching concave die)；Right side is the secondary signal expanded and squeeze shaping shaft end mounting hole in figure
Figure, the inclined-plane of secondary crowded hole-expansion punch 4 expands pre-punched hole, and forms in-flanges and block cushion block 2, and punched scrap 5 can be from
Another secondary institute's hole punched discharge of hollow sphere pin body 1；Hole is squeezed by pre-punched hole and secondary expand, bright high quality can be obtained
Via hole, and the fillet of nature transition is formed in hole edge, deburring and chamfering process after eliminating machining drilling；When
So, pre-manufactured hole can also be processed using traditional boring method, the method device to hole for then reusing punching press carries out expanding crowded shaping, together
Sample can obtain the mounting hole of high quality.
Manufacturing method shown in fig. 5 with lip block hollow sphere pin shaft, specific steps are as follows:
(1) raw material selection seamless tubular goods is shaped by spinning or axial compression, is carried out necking tube reducing to tubing both ends, is obtained
Thicker spherical is expanded for axisymmetric centre, and the lesser original shape of both ends diameter；
(2) hollow sphere pin body both ends spindle nose is flattened into preform in mold, is configured to both ends oral area approximate rectangular
Section；
(3) the lateral bolt mounting holes position processing installation required according to hollow sphere pin body both ends spindle nose the cyclic annular cushion block
Lateral circular hole；
(4) cyclic annular cushion block interference fit is pressed into lateral circular hole；
(5) heat treatment of ball pin axis is carried out, scheduled hardness and strength are reached；Heat treatment can be quenched using bulk heat treatmet or surface
Burning hot processing, generally requires tempering destressing, improves the fatigue durability of ball pin axis.
A kind of band lip block hollow sphere pin shaft and manufacturing method is presented above, it will be appreciated by those skilled in the art that
It is that the processes such as spinning, extruding and mould punching, heat treatment are conventional manufacturing methods, spinning can heat when squeezing
It can not also heat, can integrally heat can also be provided to meet the needs of forming, the skill of this professional domain with local heating
Art personnel can take corresponding technological means without creative exploitation, therefore the specific embodiment of the invention can not be right
This all enumerate, and specific implementing process and parameter have no effect on the realization of the embodiment of the present invention, therefore the present invention
Embodiment not limits this, and the citing of the above preferred implementation also should not be construed as the uniqueness limit to the embodiment of the present invention
It is fixed.
Claims (9)
1. a kind of band lip block hollow sphere pin shaft, it is characterized in that:
It is made of the hollow sphere pin body and Apertured cushion block of via hollow, Apertured cushion block is press-fitted to ball pin axis both ends spindle nose mouth
Portion, the oral area at closure ball pin body both ends；Apertured cushion block is the cyclic annular cushion block with pre-manufactured hole or the rectangle with pre-manufactured hole
Blocky cushion block.
2. a kind of band lip block hollow sphere pin shaft as described in claim 1, it is characterized in that: having the cyclic annular cushion block of pre-manufactured hole
Or the approximate rectangular inner hole interference fit of the rectangular block shape cushion block with pre-manufactured hole and hollow sphere pin body both ends spindle nose oral area；
The prefabricated bore dia is equal to or more than the lateral bolt mounting holes diameter that hollow sphere pin body both ends spindle nose requires.
3. a kind of band lip block hollow sphere pin shaft as described in claim 1, it is characterized in that: having the cyclic annular cushion block of pre-manufactured hole
Lateral circular hole interference fit through the processing of hollow sphere pin body both ends is lateral.
4. a kind of band lip block hollow sphere pin shaft as claimed in claim 2, it is characterized in that: the ring-type cushion block or rectangular block
The prefabricated axially bored line of shape cushion block and the lateral bolt mounting holes axis of hollow sphere pin body both ends spindle nose mounting surface are concentric.
5. a kind of band lip block hollow sphere pin shaft as described in claims 1 or 2 or 3, it is characterized in that: the ring-type cushion block or
The hardness and strength of rectangular block shape cushion block are all larger than hollow sphere pin body material, can bear stamping press when punching or bear peace
Fill the fastening force of bolt.
6. a kind of band lip block hollow sphere pin shaft as claimed in claim 2, it is characterized in that: the hollow sphere pin body
There is internal flange in the inner hole inner edge of the lateral bolt mounting holes of both ends spindle nose, the flange constraint cyclic annular cushion block or rectangular block shape pad
Block cannot be deviate from.
7. a kind of manufacturing method with lip block hollow sphere pin shaft as claimed in claim 2, characterized in that specific steps are as follows:
(1) cyclic annular cushion block of the processing with pre-manufactured hole or the rectangular block shape cushion block with pre-manufactured hole；
(2) processing band lip block hollow sphere pin shaft
(2.1) it uses seamless tubular goods for raw material, deutostoma is shaped by spinning or axial compression necking tube reducing, shaft end press flat forming
Portion section is near rectangular shape, obtains the hollow sphere pin body of via hollow；
(2.2) the cyclic annular cushion block that hollow sphere pin body both ends spindle nose oral area inner hole indentation step (1) of sky obtains in through-holes
Or rectangular block shape cushion block；The lateral bolt mounting holes that punching press or drilling processing hollow sphere pin body both ends spindle nose require；
(3) band lip block hollow sphere pin shaft is heat-treated, reaches scheduled hardness and strength.
8. a kind of manufacturing method with lip block hollow sphere pin shaft as claimed in claim 7, characterized in that in step (2.2)
The lateral bolt mounting holes that the processing hollow sphere pin body both ends spindle nose requires include 2 steps:
A. pre- punching forming or the lateral bolt mounting holes of drilling, reserve machining allowance；
B. expand and squeeze the lateral bolt mounting holes of shaping, inner hole inner edge forms inside port blockage, and constraint cushion block cannot be deviate from.
9. a kind of manufacturing method with lip block hollow sphere pin shaft as claimed in claim 3, characterized in that specific steps are as follows:
(1) processing has the cyclic annular cushion block of pre-manufactured hole, and the pre-manufactured hole of cyclic annular cushion block is the spindle nose requirement of hollow sphere pin body both ends
Lateral bolt mounting holes；
(2) hollow sphere pin shaft is processed
(2.1) it uses seamless tubular goods for raw material, deutostoma is shaped by spinning or axial compression necking tube reducing, shaft end press flat forming
Portion section is near rectangular shape, obtains the hollow sphere pin body of via hollow；
(2.2) the cyclic annular cushion block is installed according to the lateral bolt mounting holes position that hollow sphere pin body both ends spindle nose requires
Lateral circular hole；
(2.3) cyclic annular cushion block interference fit is pressed into lateral circular hole；
(3) band lip block hollow sphere pin shaft is heat-treated, reaches scheduled hardness and strength.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811650794.0A CN109532370A (en) | 2018-12-31 | 2018-12-31 | A kind of band lip block hollow sphere pin shaft and manufacturing method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811650794.0A CN109532370A (en) | 2018-12-31 | 2018-12-31 | A kind of band lip block hollow sphere pin shaft and manufacturing method |
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| CN109532370A true CN109532370A (en) | 2019-03-29 |
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| CN201811650794.0A Pending CN109532370A (en) | 2018-12-31 | 2018-12-31 | A kind of band lip block hollow sphere pin shaft and manufacturing method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113904491A (en) * | 2021-09-26 | 2022-01-07 | 常熟希那基汽车零件有限公司 | New energy blind hole hollow motor shaft and processing method thereof |
| CN114406069A (en) * | 2021-12-27 | 2022-04-29 | 铭昊汽车金属零部件(广州)有限公司 | Pin rod and manufacturing method thereof |
| CN115479077A (en) * | 2022-09-22 | 2022-12-16 | 大连安达汽车零部件有限公司 | Method for processing hollow ball head of automobile action rod |
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| CN209634201U (en) * | 2018-12-31 | 2019-11-15 | 湖北汽车工业学院 | A kind of band lip block hollow sphere pin shaft |
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| CN113904491A (en) * | 2021-09-26 | 2022-01-07 | 常熟希那基汽车零件有限公司 | New energy blind hole hollow motor shaft and processing method thereof |
| CN114406069A (en) * | 2021-12-27 | 2022-04-29 | 铭昊汽车金属零部件(广州)有限公司 | Pin rod and manufacturing method thereof |
| CN114406069B (en) * | 2021-12-27 | 2023-06-02 | 铭昊汽车金属零部件(广州)有限公司 | Pin rod and manufacturing method thereof |
| CN115479077A (en) * | 2022-09-22 | 2022-12-16 | 大连安达汽车零部件有限公司 | Method for processing hollow ball head of automobile action rod |
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Application publication date: 20190329 |