CN107584705A - Damping layer fill method, location structure and the wheel noise reduction block of wheel noise reduction block - Google Patents
Damping layer fill method, location structure and the wheel noise reduction block of wheel noise reduction block Download PDFInfo
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- CN107584705A CN107584705A CN201710981813.7A CN201710981813A CN107584705A CN 107584705 A CN107584705 A CN 107584705A CN 201710981813 A CN201710981813 A CN 201710981813A CN 107584705 A CN107584705 A CN 107584705A
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- noise reduction
- locating piece
- damping
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- 238000013016 damping Methods 0.000 title claims abstract description 86
- 230000009467 reduction Effects 0.000 title claims abstract description 63
- 238000000034 method Methods 0.000 title claims abstract description 31
- 239000011800 void material Substances 0.000 claims abstract description 68
- 238000004073 vulcanization Methods 0.000 claims abstract description 49
- 238000005486 sulfidation Methods 0.000 claims abstract description 16
- 239000000463 material Substances 0.000 claims abstract description 10
- 238000000465 moulding Methods 0.000 claims abstract description 10
- 239000010410 layer Substances 0.000 claims description 250
- 238000005266 casting Methods 0.000 claims description 9
- 239000011229 interlayer Substances 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000003780 insertion Methods 0.000 claims 1
- 230000037431 insertion Effects 0.000 claims 1
- -1 strip(22) Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 9
- 239000000543 intermediate Substances 0.000 description 12
- 238000004519 manufacturing process Methods 0.000 description 9
- 238000003466 welding Methods 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 8
- 239000000725 suspension Substances 0.000 description 7
- 230000008569 process Effects 0.000 description 6
- 230000008859 change Effects 0.000 description 4
- 238000007493 shaping process Methods 0.000 description 4
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 3
- 239000005864 Sulphur Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 230000001680 brushing effect Effects 0.000 description 3
- 238000005238 degreasing Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000005488 sandblasting Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000011982 device technology Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
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- Vehicle Body Suspensions (AREA)
- Laminated Bodies (AREA)
Abstract
A kind of damping layer fill method of wheel noise reduction block, damping material is filled into the void layer of the sandwich of wheel noise reduction block by the way of bonding by Vulcanization and forms damping layer, and the restraint layer of sandwich is positioned to avoid it from being deformed in sulfidation using locating piece in bonding by Vulcanization；During vulcanization, the part at edge and locating piece that locating piece is located at sandwich is stretched into inside void layer provides support positioning for restraint layer, avoids the sandwich in sulfidation from deforming.The present invention uses sulfidization molding mode, it ensure that the adhesion strength between damping layer and sandwich, and the uniformity coefficient and aesthetic measure of damping layer, and location control is carried out to the restraint layer of sandwich using locating piece when vulcanizing filling, avoid restraint layer and installing plate in sulfidation caused by the end free degree is big problem on deformation and make damping layer in uneven thickness, so as to ensure that the workmanship of wheel noise reduction block and dimensional discrepancy, and effect of vibration and noise reduction can be improved.
Description
Technical field
The present invention relates to a kind of the damping layer fill method of wheel noise reduction block, location structure and wheel noise reduction block, belong to rail
Road Vehicle damper noise reduction technology field.
Background technology
In train driving, wheel rolls in orbit, because surface roughness and wheel track tread are uneven, excites car
Mode vibratory response is taken turns, produces judder and construct noise, and air borne is radiated through wheel surface, both influences rider
Comfort level also bring huge noise pollution to around railway.If a kind of denoising structure or material are arranged on wheel,
By suppressing vibration noise source energy, the purpose for reducing wheel noise radiation levels can reach.Current wheel noise reduction prior art
Mainly there is following four：Wheel damping device, wheel noise reduction plate, wheel noise reduction ring and elastic wheel, all it is to increase bullet on wheel
The structure of property damping vibration attenuation or part reduce radiated noise.
Through retrieval, there is similar patent application the country, and application number CN201620760079.2, entitled " wheel is hindered with multilayer
The utility model patent and application number CN201610568521.6 of Buddhist nun's device ", entitled " wheel multilayer damper and damping side
The application for a patent for invention of method ", its technical scheme and architectural feature are：A kind of wheel multilayer damper, its structure composition include
Installing plate, restraint layer, pad and damping rubber, installing plate, restraint layer, pad and damping rubber composition damper, damper lead to
That crosses bolt even structure annular in shape is arranged on wheel（8）On dovetail groove in, restraint layer and pad are alternatively formed sandwich,
Upper arcuate end face and the installing plate of sandwich are welded, and caused space is filled out with damping rubber in sandwich
Fill, damping rubber bonds together with restraint layer.Wherein every layer of steel plate thickness difference of restraint layer, and pad and damping rubber
Thickness all same, each thickness degree of damper and the number of plies determine according to the intrinsic frequency of wheel.Damper is arranged in wheel tread
Inner side, and the damper number installed is even number.Damper uses dynamic vibration absorber principle, and each restraint layer has different firm
Degree and quality, the effect of damping rubber can be played to greatest extent during unsteadiness of wheels, while the damper passes through
Bolt is arranged on the inside of wheel tread, and the radial vibration of wheel can be greatly reduced in the case where not influenceing traffic safety, from
And reduce radiated noise.
The problem of above-mentioned wheel damping device technology is present and shortcoming are as follows：
1）Sandwich upper arcuate end face described in prior art is welded with installing plate, caused sky in sandwich
Gap is filled with damping rubber, thus there will be the problem of or shortcoming be：For long but also thin constraint Rotating fields and installation not only
It can also cause two under pressure when harden structure, problem on deformation can be caused in the case where welding high temperature action, and fill damping rubber
Secondary problem on deformation, and these deformations are random and irregular, and the rubber thickness between restraint layer and installing plate can be caused uneven, and
Influence damper vibration damping anti-acoustic capability and outward appearance；
2）Sandwich space described in prior art is filled with damping rubber, and damping rubber is bonded in one with restraint layer
Rise, but how to fill and how to be bonded and do not propose feasible or enforceable method, and many fill methods are in engineering
It is upper infeasible or be difficult to reach the technique effect that damper should possess（Effect of vibration and noise reduction, reliability and stability etc.）.
Accordingly, it is desirable to provide the damping layer fill method and structure of a kind of reliable wheel noise reduction block and being obtained with it
Wheel noise reduction block.
The content of the invention
The present invention is easily deformed to solve restraint layer present in current wheel damping device technology and installing plate, restraint layer and
The problem of rubber thickness between installing plate is uneven, it is proposed that a kind of damping layer fill method of wheel noise reduction block, positioning knot
Structure and wheel noise reduction block, to prevent that flow of metal and rubber thickness are uneven in process, and reduce technology
Difficulty and cost.
The present invention is that technological means is used by solving the above problems：A kind of damping layer filling side of wheel noise reduction block
Method, the elastic damping material of rubber or other classifications is filled to the sandwich of wheel noise reduction block by the way of bonding by Vulcanization
Void layer in form damping layer, and the restraint layer of sandwich is positioned to avoid using locating piece in bonding by Vulcanization
It is deformed in sulfidation；During vulcanization, the part at edge and locating piece that locating piece is located at sandwich stretches into void layer
It is internal to provide support positioning for restraint layer, avoid the sandwich in sulfidation from deforming.
Further, bonding by Vulcanization specifically includes according to wheel noise reduction block profile arrangement and processes sulfurizing mould and determine
Position block, sandwich cooperation locating piece is put into sulfurizing mould and the sulfidization molding of damping layer is carried out on vulcanizer,
The wheel noise reduction block for being had been filled with and having been bonded.
Further, locating piece includes boss and support block, and during vulcanization, locating piece is leaned against to the edge of void layer, and fixed
The boss of position block is stretched into inside void layer, is fitted close with installing plate or restraint layer, restraint layer is positioned, avoid its
Deformed in sulfidation.
Further, after locating piece leans against void layer edge during vulcanization, each void layer has one or more than one
Boss stretches into.
Further, required locating piece when determining that each sandwich vulcanizes according to the molding mode of sandwich
Quantity and each locating piece are located at the particular location at void layer edge.
Further, the quantity of locating piece required during each sandwich vulcanization is two or more.
Further, during vulcanization, locating piece is arranged on the end position or lateral location of sandwich；Specifically, two
Individual locating piece is respectively provided at the both ends of void layer；Or four locating pieces are uniformly located at two sides of void layer respectively, often
Individual side is respectively provided with two, and locating piece from be less than with a distance from sandwich end locating piece from sandwich centre position away from
From；Or two both sides being respectively provided among sandwich in four locating pieces, two other is respectively provided at void layer
Both ends；Or two both sides being respectively provided among sandwich in six locating pieces, four additional are uniformly located at sky respectively
Two sides of gap layer, each side are respectively provided with two, and locating piece is from being less than locating piece from folder with a distance from sandwich end
The distance in Rotating fields centre position.
Further, surface pretreatment is carried out to sandwich before sandwich is put into sulfurizing mould, including
Degreasing, phosphatization, sandblasting, brushing adhesive, and mould is preheated on vulcanizer.
A kind of location structure of the damping layer filling of wheel noise reduction block, including the interlayer knot of locating piece and wheel noise reduction block
Structure, locating piece include boss and support block, and boss is located at a side of support block；At both ends between every two layers of sandwich
There is void layer；Locating piece is arranged on the edge of sandwich, and boss gos deep into inside the void layer of sandwich so that after vulcanization
The end face of damping layer and/or side form detent.
Further, the boss height H1 for inserting each void layer is equal to the height H2 of each corresponding void layer.
Further, sandwich includes restraint layer, intermediate and the installing plate of strip, installing plate（21）And restraint layer
Pass through intermediate（24）Connection forms an entirety, and installing plate is one piece, and restraint layer is one or more, correspondingly, void layer
For one or more, when void layer is multiple, the boss of support block side is located at also to be multiple, the corresponding space of each boss
The distance between layer, each two boss S1 is equal to the height S2 of corresponding restraint layer.
Further, it is concordant with the base of support block positioned at the boss base of support block side bottom.
Further, the plane that boss is square or boss is relative with support block side is arc along its length.
A kind of wheel noise reduction block, including sandwich and damping layer, and had time at the both ends between every two layers of sandwich
Gap layer, damping layer are located in the void layer of sandwich, fixed with sandwich bonding by Vulcanization, the end face of damping layer and/or
There is detent side.
Further, sandwich is integrated the rigid layer of casting, including the restraint layer of strip, intermediate and peace
Loading board, installing plate and restraint layer connect to form an entirety by intermediate, and installing plate is one piece, positioned at the most lower of sandwich
Side, restraint layer is one or more, and damping layer mutually should be one or more, and damping layer replaces with restraint layer located at the upper of installing plate
Side.
Further, the centre of intermediate is provided with the mounting hole one run through up and down, and the both ends of installing plate are provided with mounting hole two.
The beneficial effects of the invention are as follows：
1. the present invention uses sulfidization molding mode, the adhesion strength between damping layer and sandwich, and damping layer ensure that
Uniformity coefficient and aesthetic measure, and location control carried out to the restraint layer of sandwich using locating piece when vulcanizing and filling,
Avoid restraint layer and installing plate in sulfidation caused by the end free degree is big problem on deformation and make damping layer thickness
It is uneven, so as to ensure that the workmanship of wheel noise reduction block and dimensional discrepancy, and effect of vibration and noise reduction can be improved.
2. the sandwich of product of the present invention uses integrally casting shaping mode, welding procedure both it had been avoided that and had avoided
Welding deformation problem, technology difficulty and manufacturing cost can be also reduced, improve production efficiency, technology stability and appearance consistency.
Brief description of the drawings
Fig. 1 is locating piece schematic perspective view of the present invention；
Fig. 2 is locating piece schematic side view of the present invention；
Fig. 3 is the location structure schematic diagram when damping layer of embodiment one is filled；
Fig. 4 is the wheel noise reduction block schematic perspective view of embodiment one；
Fig. 5 is the wheel noise reduction block of embodiment one along mounting hole axial direction schematic cross-sectional view；
Fig. 6 is the sandwich schematic front view of embodiment one；
Fig. 7 is the sandwich schematic front view of embodiment two；
Fig. 8 is the wheel noise reduction block of embodiment three along mounting hole axial direction schematic cross-sectional view；
Fig. 9 is partial schematic sectional view of the example IV wheel noise reduction block along mandrel axial direction；
Figure 10 is schematic cross-sectional view of the wheel noise reduction block of embodiment five along mandrel axial direction；
Wherein：1. locating piece, 11. support blocks, 12. boss, 2. sandwiches, 21. installing plates, 22. restraint layers, outside 221. first
Restraint layer, restraint layer in 222. suspensions, 223. second outer restraint layers, 23. void layers, 24. intermediates, 25. mounting holes one,
26. mounting hole two, 27. pads, 28. mandrels, 281. packing rings, 3. damping layers, 31. detents.
Embodiment
The present invention is further described below in conjunction with the accompanying drawings.
A kind of damping layer fill method of wheel noise reduction block, is filled damping material to wheel by the way of bonding by Vulcanization
Damping layer 3 is formed in the void layer 23 of the sandwich 2 of noise reduction block, and locating piece 1 is utilized to sandwich in bonding by Vulcanization
Restraint layer 22 positioned to avoid it from being deformed in sulfidation；During vulcanization, locating piece 1 is located at the edge of sandwich 2
And a part for locating piece 1 stretches into the inside of void layer 23 and provides support positioning for restraint layer 22, avoids the interlayer in sulfidation
Structure 2 deforms.
Bonding by Vulcanization specifically includes according to wheel noise reduction block profile arrangement and processes sulfurizing mould and locating piece 1, will
Sandwich 2 coordinates locating piece 1 to be put into sulfurizing mould and the sulfidization molding of damping layer is carried out on vulcanizer, obtains
Filling and the wheel noise reduction block bonded.
Sulfurizing mould is determined according to the position of locating piece 1 when appearance and size and the vulcanization of wheel noise reduction block with conventional method
Dimensional structure and be processed, during vulcanizations, sandwich 2 and locating piece 1 are put into sulfurizing mould and form closing together
Vulcanize space.
Locating piece 1 includes boss 12 and support block 11, during vulcanization, locating piece 1 is leaned against to the edge of void layer 23, and position
The boss 12 of block 1 is stretched into inside void layer 23, is fitted close with installing plate 21 or restraint layer 22, and restraint layer 22 is determined
Position, avoids it from being deformed in sulfidation.
Because the installing plate 21 and restraint layer 22 of sandwich 2 are elongated elongate configuration, only connected by middle part
Connect and be fixed together, and be void layer 23 between every two block lengths plate on both sides, thus the both sides of restraint layer 22 be all it is overhead,
Cause the free degree at installing plate 21 and the both ends of restraint layer 22 big, be easily bent deformation, if filled out carrying out vulcanization to void layer 23
Only the periphery of sandwich 2 is closed when filling to obtain vulcanization space, then when the damping material of vulcanization inserts void layer 23,
It can apply squeezing action power, and different void layers to restraint layer 22 because damping material is flowed into and filled under sulfide stress effect
Fill rate and pressure it is different, and the both ends of restraint layer 22 are free end, can be towards pressure when two sides is by different pressures load
Less void layer 23 significantly deforms；Boss 12 is stretched into inside void layer 23 using locating piece 1, closely connect with restraint layer 22
Touch and coordinate, the edge of restraint layer 22 is fixed by positioning by boss 12, when restraint layer 22 is extruded by vulcanization damping layer
During active force, boss 12 is the support force that restraint layer 22 provides an opposite direction, avoids restraint layer 22 curved in sulfidation
Song deformation, so as to ensure that wheel noise reduction block workmanship and dimensional discrepancy, improves the effect of vibration and noise reduction of wheel noise reduction block.
The quantity of the boss 12 of each locating piece 1 often holds the quantity of void layer 23 no less than sandwich 2, and locating piece 1 leans on
Behind the edge of void layer 23, each boss 12 stretches into a void layer 23.Each Inner of void layer 23 have one or one with
On boss 12 stretch into.Each boss 12 corresponds with each void layer 23, and each boss 12 is that a restraint layer 22 provides
Support, ensure that the damping material thickness of each void layer 23 of sandwich 2 is uniform, the position of each restraint layer 22 is constant.
When determining that each sandwich 2 vulcanizes according to the molding mode of sandwich 2 quantity of required locating piece 1 and
Each locating piece 1 is located at the particular location at the edge of void layer 23.Constrained because the molding mode of sandwich 2 is different, during vulcanization
Layer 22 is also differed by deflection caused by the squeezing action power from damping material, therefore required offer positioning
Support force it is different, it is necessary to locating piece 1 quantity and the position that sets of each locating piece 1 also differ.
The quantity of each sandwich 2 locating piece 1 required when vulcanizing is two or more.When sandwich 2
When the stability of itself is preferable, it is necessary to locating piece 1 quantity it is also few；And during the less stable of itself, it is necessary to locating piece 1
Quantity it is also more.
During vulcanization, two locating pieces 1 are respectively provided at the both ends of void layer 23；Or four locating pieces 1 are uniformly set respectively
In two sides of void layer 23, each side is respectively provided with two, and locating piece 1 is fixed from being less than with a distance from the end of sandwich 2
Position block 1 from the centre position of sandwich 2 with a distance from；Or two in four locating pieces 1 are respectively provided among sandwich 2
Both sides, two other is respectively provided at the both ends of void layer 23；Or two in six locating pieces 1 are respectively provided at sandwich 2
Middle both sides, four additional are uniformly located at two sides of void layer 23 respectively, and each side is respectively provided with two, and locating piece
1 from a distance from the end of sandwich 2 be less than locating piece 1 from the centre position of sandwich 2 with a distance from.According to sandwich 2 into
Type mode and the stability of itself, when locating piece 1 is set in place to ensure to vulcanize restraint layer 22 can well by
Support positioning, avoids deforming.
Surface pretreatment, including degreasing, phosphorus are carried out to sandwich 2 before sandwich 2 is put into sulfurizing mould
Change, sandblasting, brushing adhesive, and mould is preheated on vulcanizer.Surface pretreatment is carried out to sandwich 2, so that
Damping layer 3 closely bonding by Vulcanization in void layer 23.
The location structure of the damping layer filling of the wheel noise reduction block that uses is also related in a kind of above method in the method,
Sandwich 2 including locating piece 1 and wheel noise reduction block, as depicted in figs. 1 and 2, locating piece 1 include boss 12 and support block
11, support block 11 is cylinder, and boss 12 is located at a side of support block 11；Have at both ends between every two layers of sandwich 2
Void layer 23；Locating piece 1 is arranged on the edge of sandwich 2, and boss 12 gos deep into inside void layer 23 so that is damped after vulcanization
The end face and/or side of layer form detent 31.
Support block 11 is cuboid, and the height H1 of boss 12 is equal to the height H2 of void layer 23.
Sandwich 2 includes installing plate 21 and restraint layer 22, sandwich（2）Restraint layer including strip（22）, in
Mesosome（24）And installing plate（21）, installing plate（21）Pass through intermediate with restraint layer（24）Connection forms an entirety, installing plate
21 be one piece, and restraint layer 22 is one or more, and correspondingly, void layer 23 is one or more, when void layer 23 is multiple, if
The side of support block 11 boss 12 also to be multiple, the corresponding void layer 23 of each boss 12, between each two boss 12
Distance S1 is equal to the height S2 of corresponding restraint layer 22.
Each size of locating piece 1 is identical with each correspondingly-sized that sandwich 2 is engaged place, to be located at sky when locating piece 1
It during 23 edge of gap layer, can be fitted close between locating piece 1 and sandwich 2, be supported with providing positioning well for restraint layer 22,
Avoid its deformation.
During vulcanization, locating piece 1 is leaned against to the edge of sandwich 2, each boss 12 is respectively protruding into each void layer 23,
Two surfaces up and down of boss 12 are fitted close with restraint layer 22 or installing plate 21 respectively, support block 11 and the end of restraint layer 22
Face is fitted close, and the edge of restraint layer 22 is fixed into positioning by boss 12, avoids the pact of the strip in sulfidation
Beam layer 22 is due to the flexural deformation greatly of the end free degree.
It is concordant with the base of support block 11 positioned at the base of boss 12 of the side bottom of support block 11.Set when by locating piece 1
At the both ends of sandwich 2, the bottom of support block 11 and bottom boss 12 is respectively positioned on top and the installing plate of installing plate 21
21 are fitted close, therefore the base of boss 12 of bottom must be concordant with the base of support block 11.
It is less than or flushes in the top margin of support block 11 positioned at the top margin of the boss 12 of the side the top of support block 11.Work as positioning
When block 1 abuts the edge of sandwich 2, boss 12 is stretched into inside void layer 23, and the side that support block 11 is located at boss 12 exceeds
The part of boss 12 abuts the restraint layer 22 of the top of sandwich 2, and is fitted close with restraint layer 22 to be positioned to it.
The plane that boss 12 is square or boss 12 is relative with the side of support block 11 is arc along its length.
Embodiment one
As shown in figures 3 to 6, this wheel noise reduction block includes sandwich 2 and damping layer 3, and sandwich 2 includes the pact of strip
Beam layer 22, intermediate 24 and installing plate 21, sandwich 2 are integrated the rigid layer of casting, restraint layer 22 and installing plate 21
One entirety is connected into by the intermediate 24 of centre, has void layer 23, damping layer at the both ends between every two layers of sandwich 2
3 are located in the void layer 23 of sandwich 2, are fixed with the bonding by Vulcanization of sandwich 2, and the end face and/or side of damping layer 3 have
Detent 31.
In order to solve the problems, such as flow of metal that restraint layer 22 and installing plate 21 occur in welding process, and sandwich
The problem of 2 manufacturing process are complicated, difficulty is big, uniformity is poor and cost is high, processes interlayer knot by the way of integrally casting shaping
Structure 2, first according to the size of sandwich 2, design and process casting mould；Then integral casting process is used, by corresponding material
Steel high melt into liquid and be poured into mould, sandwich 2 is removed from the molds after cooling；Finally to metal surface
Suitably polishing, polishing and deburring processing are carried out, that is, obtains required sandwich 2.This integrally formed sandwich 2 was both avoided that
Welding procedure and avoid welding deformation problem, moreover it is possible to reduce the manufacturing cost of sandwich 2, simplify technique, improve production effect
Rate.
Installing plate 21 is one piece, positioned at the bottom of sandwich 2, restraint layer be 22 one or more, damping layer 3 is corresponding
For one or more, damping layer 3 replaces with restraint layer 22 located at the top of installing plate, when damping layer 3 is polylith, every piece of damping
The thickness of layer 3 is equal.
The quantity of restraint layer 22 and damping layer 3 is determined according to Vehicle damper demand, when the frequency number of required noise reduction is more,
It is general to require that the required number of plies designed is more.
The centre of intermediate 24 is provided with the mounting hole 1 run through up and down, and the both ends of installing plate are provided with mounting hole 2 26.It is logical
Cross mounting hole 1 and noise reduction block is fixed on wheel by mounting hole 2 26.
The locating piece 1 used during vulcanization is two, is respectively provided at the both ends of sandwich 2, is arranged on installing plate 21, fixed
The bottom of position block 1 and the upper surface of installing plate 21, each boss 12 is each to go deep into a void layer 23, boss 12 and boss 12
Between the end face of surface and restraint layer 22 of support block 11 be in close contact.
The dimensional structure of sulfurizing mould determines according to the appearance and size of wheel noise reduction block sandwich 2, and sulfurizing mould
There is the cavity matched with the size of locating piece 1 at matching with the both ends of sandwich 2.
During vulcanization, pre-treatment, including degreasing, phosphatization, sandblasting, brushing adhesive first are carried out to the surface of sandwich 2, and
Mould is preheated on vulcanizer.Sulfurizing mould is put into after locating piece 1 is located at into the both ends of sandwich 2, is installed to sulphur
Vulcanization processing is carried out on change machine.
Embodiment two
The present embodiment is identical with above-described embodiment basic skills and principle, and difference is：As shown in fig. 7, sandwich 2
Intermediate is pad 27, and restraint layer 22 and pad 27 are that one piece or the equal polylith of quantity, installing plate 21 are located at least significant end, padded
Piece 27 is disposed alternately at the top of installing plate with restraint layer 22, and undermost pad 27 contacts with installing plate 21, the length of pad 27
Degree is less than the length of restraint layer 22, and installing plate 21, restraint layer 22 and pad 27 are integral by being rigidly connected, restraint layer 22 and peace
There is equidistant sky between loading board 21 or between restraint layer 22 and installing plate 21 and between restraint layer 22 and restraint layer 22
Gap layer 23, and the interposition of installing plate 21 after entirety is formed, restraint layer 22 and pad 27 is equipped with the mounting hole of up/down perforation
One 25, there is mounting hole 2 26 at the both ends of installing plate, and damping layer 3 is located at 23 in void layer, fixed with the bonding by Vulcanization of sandwich 2,
At end position by there is detent 31 both ends of damping layer 3 or two sides.
The locating piece 1 used during vulcanization is two, is respectively provided at the both ends of sandwich 2；Or locating piece 1 is four,
Respectively symmetrically be located at the position at two lateral deviation both ends of sandwich 2 two-by-two, and each locating piece 1 from the end of restraint layer 22 with a distance from
Less than locating piece 1 from a distance among sandwich 2.The opening position that sulfurizing mould matches with the both ends of sandwich 2 or both sides
It is correspondingly provided with the cavity matched with the size of locating piece 1.
Embodiment three
The present embodiment is identical with above-described embodiment basic skills and principle, and difference is：As shown in figure 8, sandwich 2 is wrapped
21 and first outer restraint layer 221 of installing plate is included, intermediate is mandrel 28, is set between 21 and first outer restraint layer 221 of installing plate
Restraint layer 222 in the suspension put, hollow mandrel 28 pass through one end and installing plate of restraint layer 222 and mandrel 28 in suspension
21 contacts, the other end of mandrel 28 are in contact with the first outer restraint layer 221, and restraint layer 222 passes through the sulphur of damping layer 3 in suspension
Change is bonded between 21 and first outer restraint layer 221 of installing plate, and wherein mandrel 28 is one, the interposition of sandwich establishment structure 2
Put, the interposition of sandwich 2 is equipped with the mounting hole 1 of up/down perforation, and there is mounting hole 2 26 at the both ends of installing plate 21, damping
There is detent 31 at the both ends and both sides of layer 3 by position in the middle.
The locating piece 1 used during vulcanization is four or six, there is two both ends for being respectively provided at sandwich 2, in addition two
Centre position is leaned in the individual left and right sides for being located at the front or back of sandwich 2, or four positive and negative is symmetrically arranged at respectively two-by-two
The both sides of sandwich 2 by middle position, and all locating pieces 1 with 21 first outer restraint layer 221 of installing plate and suspension
Restraint layer 222 is in close contact in shape.Sulfurizing mould is correspondingly provided with determining with the opening position that the both ends of sandwich 2 and both sides match
The cavity of the position size of block 1 matching.
Example IV
The present embodiment and the basic skills of embodiment three are identical with principle, and difference is：As shown in figure 9, the first outer restraint layer
One or more layers the second outer restraint layer 223 is additionally provided with 221 side；One or more layers second outer restraint layer 223 passes through one
Individual or multiple packing rings 281 are superimposed with the first outer restraint layer 221, between the first outer 221 and second outer restraint layer 223 of restraint layer or
Sulphur in void layer 23 between first outer 221 and second outer restraint layer 223 of restraint layer and between each second outer restraint layer 223
Change is bonded with damping layer 3.
The locating piece 1 used during vulcanization is four or six, there is two both ends for being respectively provided at sandwich 2, in addition two
Centre position is leaned in the individual left and right sides for being located at the front or back of sandwich 2, or four positive and negative is symmetrically arranged at respectively two-by-two
The both sides of sandwich 2 by middle position, and all locating pieces 1 with 21 first outer restraint layer 221 of installing plate, suspension
The second outer restraint layer 223 is in close contact restraint layer 222.The position that sulfurizing mould matches with the both ends of sandwich 2 and both sides
The place of putting is correspondingly provided with the cavity matched with the size of locating piece 1.
Embodiment five
The present embodiment is with embodiment three or example IV, difference substantially：As shown in Figure 10, sandwich 2 is along length
Two mandrels 28 are arranged with direction, further to improve reliability during product installation.The locating piece 1 used during vulcanization is
Three or more than three, two both ends for being respectively provided at sandwich 2, another or multiple sandwiches 2 that are respectively provided at
At middle or it is arranged symmetrically in both sides and provides support, sulfurizing mould and interlayer at mandrel for restraint layer 222 in suspension
The corresponding position that structure 2 matches is provided with the cavity matched with each size of locating piece 1.
The location structure used during the vulcanization formation method and sulfidization molding that are used in the present invention both can be used for casting
The manufacture of the wheel noise reduction block of type is caused, can be used for the manufacture of the wheel noise reduction block of welding or other method shaping.
It can be seen from above-described embodiment that the present invention also has the advantages that：
1. the present invention uses sulfidization molding mode, the adhesion strength between damping layer and sandwich, and damping layer ensure that
Uniformity coefficient and aesthetic measure, and location control carried out to the restraint layer of sandwich using locating piece when vulcanizing and filling,
Avoid restraint layer and installing plate in sulfidation caused by the end free degree is big problem on deformation and make damping layer thickness
It is uneven, so as to ensure that the workmanship of wheel noise reduction block and dimensional discrepancy, and effect of vibration and noise reduction can be improved.
2. the sandwich of product of the present invention uses integrally casting shaping mode, welding procedure both it had been avoided that and had avoided
Welding deformation problem, technology difficulty and manufacturing cost can be also reduced, improve production efficiency, technology stability and appearance consistency.
Above example is used for illustrative purposes only, rather than limitation of the present invention, the technology people about technical field
Member without departing from the spirit and scope of the present invention, can also make a variety of changes or convert, therefore all equivalent
Technical scheme should also belong to protection scope of the present invention, and protection scope of the present invention should be limited by each claim.
Claims (10)
- A kind of 1. damping layer fill method of wheel noise reduction block, it is characterised in that：By damping material by the way of bonding by Vulcanization Fill to the sandwich of wheel noise reduction block（2）Void layer（23）Middle formation damping layer（3）, and in bonding by Vulcanization using fixed Position block（1）To the restraint layer of sandwich（22）Positioned to avoid it from being deformed in sulfidation；During vulcanization, locating piece （1）It is located at sandwich（2）Edge and locating piece（1）A part stretch into the void layer of sandwich（23）Inside is constraint Layer（22）Support positioning is provided, avoids the sandwich in sulfidation（2）Deformation.
- 2. the damping layer fill method of wheel noise reduction block as claimed in claim 1, it is characterised in that：The locating piece（1）Bag Include boss（12）And support block（11）, during vulcanization, by locating piece（1）Lean against void layer（23）Edge, and locating piece（1）It is convex Platform（12）Stretch into void layer（23）Inside, with installing plate（21）Or restraint layer（22）It is fitted close, to restraint layer（22）Carry out Positioning, avoids it from being deformed in sulfidation.
- 3. the damping layer fill method of wheel noise reduction block as claimed in claim 2, it is characterised in that：Locating piece during vulcanization（1） Lean against void layer（23）Behind edge, each void layer（23）There are one or more than one boss（12）Stretch into.
- 4. the damping layer fill method of wheel noise reduction block as claimed in claim 1, it is characterised in that：According to sandwich（2） Molding mode determine each sandwich（2）Required locating piece during vulcanization（1）Quantity and each locating piece（1）It is located at Void layer（23）The particular location at edge.
- 5. the damping layer fill method of wheel noise reduction block as claimed in claim 4, it is characterised in that：It is required during vulcanization to determine Position block（1）Quantity be two or more；During vulcanization, locating piece（1）It is arranged on sandwich（2）End position or Lateral location.
- A kind of 6. location structure of the damping layer filling of wheel noise reduction block, it is characterised in that：Including locating piece（1）And wheel noise reduction The sandwich of block, locating piece include boss（12）And support block（11）, boss（12）Positioned at support block（11）A side； Locating piece（1）It is arranged on sandwich（2）Edge, and boss（12）Go deep into the void layer of sandwich（23）It is internal so that The end face of damping layer and/or side form detent after vulcanization.
- 7. the location structure of the damping layer filling of wheel noise reduction block as claimed in claim 6, it is characterised in that：Insertion is each empty Gap layer（23）Boss（12）Height H1 is equal to each void layer（23）Height H2.
- 8. the location structure of the damping layer filling of wheel noise reduction block as claimed in claim 6, it is characterised in that：Sandwich （2）Restraint layer including strip（22）, intermediate（24）And installing plate（21）, installing plate（21）Pass through intermediate with restraint layer （24）Connection forms an entirety, installing plate（21）For one piece, restraint layer（22）For one or more, correspondingly, void layer （23）For one or more, void layer（23）For it is multiple when, be located at each support block（11）The boss of side（12）Also to be multiple, Each boss（12）A corresponding void layer（23）, each two boss（12）The distance between S1 be equal to corresponding restraint layer（22） Height S2.
- 9. a kind of wheel noise reduction block, including sandwich（2）And damping layer（3）, it is characterised in that：Damping layer（3）It is located at interlayer Structure（2）Void layer（23）Interior and sandwich（2）Bonding by Vulcanization is fixed, damping layer（3）End face and/or side have Detent（31）.
- 10. wheel noise reduction block as claimed in claim 9, it is characterised in that：The sandwich（2）It is integrated casting Rigid layer, include the restraint layer of strip（22）, intermediate（24）And installing plate（21）, installing plate（21）With restraint layer in Mesosome（24）Connection forms an entirety, installing plate（21）For one piece, positioned at sandwich（2）Bottom, restraint layer（22） For one or more, damping layer（3）One or more is mutually should be, damping layer（3）With restraint layer（22）Alternating is located at installing plate （21）Top；Intermediate（24）Centre be provided with the mounting hole one that runs through up and down（25）, installing plate（21）Both ends be provided with mounting hole two （26）.
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| CN201710981813.7A CN107584705B (en) | 2017-10-20 | 2017-10-20 | Damping layer filling method and positioning structure of wheel noise reduction block and wheel noise reduction block |
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| CN201710981813.7A CN107584705B (en) | 2017-10-20 | 2017-10-20 | Damping layer filling method and positioning structure of wheel noise reduction block and wheel noise reduction block |
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| CN107584705B CN107584705B (en) | 2023-11-03 |
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| US5330165A (en) * | 1990-02-07 | 1994-07-19 | Willy Van Goubergen | Vibration damper |
| CN102171484A (en) * | 2008-09-30 | 2011-08-31 | 东海橡胶工业株式会社 | Vibration-damping rubber member and process for producing same |
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| CN106004229A (en) * | 2016-07-19 | 2016-10-12 | 哈尔滨通达工业环保自动化有限公司 | Multilayered damper for wheel and damping method |
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2017
- 2017-10-20 CN CN201710981813.7A patent/CN107584705B/en active Active
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| US5330165A (en) * | 1990-02-07 | 1994-07-19 | Willy Van Goubergen | Vibration damper |
| CN102171484A (en) * | 2008-09-30 | 2011-08-31 | 东海橡胶工业株式会社 | Vibration-damping rubber member and process for producing same |
| CN203496177U (en) * | 2013-08-08 | 2014-03-26 | 山东豪迈机械科技股份有限公司 | Split type pore-free tyre segmented mould pattern block and positioning structure thereof |
| CN106004229A (en) * | 2016-07-19 | 2016-10-12 | 哈尔滨通达工业环保自动化有限公司 | Multilayered damper for wheel and damping method |
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| CN107584705B (en) | 2023-11-03 |
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