CN205780272U - Polyurethane high-mechanic roller - Google Patents
Polyurethane high-mechanic roller Download PDFInfo
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- CN205780272U CN205780272U CN201620654987.3U CN201620654987U CN205780272U CN 205780272 U CN205780272 U CN 205780272U CN 201620654987 U CN201620654987 U CN 201620654987U CN 205780272 U CN205780272 U CN 205780272U
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- wheel hub
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Abstract
This utility model provides a kind of polyurethane high-mechanic roller, and it includes wheel hub, is positioned at the bearing inside wheel hub and the polyurethane tyre bead layer being made up of the performed polymer containing low-free TDI；Described wheel hub is provided with annular wall and is positioned at the through hole inside annular wall, described annular wall is provided with annular inner wall face, annular outer wall face and connects internal face and two sides of outside wall surface, described annular outer wall face is provided with a pair annular groove, and described polyurethane tyre bead layer is coated on the annular outer wall face of described annular wall and fills up described groove.Compared with prior art, this utility model optimizes the structure design of wheel hub, and has selected the tyre bead layer being made up of the performed polymer containing low-free TDI so that the dynamic property of whole roller is optimized, and in the case of ensureing the life-span, load capacity is greatly improved.
Description
Technical field
This utility model relates to roller manufacturing technology, particularly relates to a kind of polyurethane high-mechanic roller.
Background technology
Polyurethane has the combination property that intensity height, good toughness, wear-resisting, oil resistant etc. are excellent, is widely used in roller
Produce.And traditional polyurethane material endogenous heat is relatively big, under pressure carrying, when running up, heat gathers quickly, material temperature
Raising, polyurethane material under high temperature and continuous effect, causes fatigue wear even to be degraded, occurs that polyurethane roller is opened
The phenomenon such as split, material wears away bits, roller tyre bead comes off.Trace it to its cause, be in the raw material performed polymer of conventional urethane material
Containing a large amount of free unreacted TDI(Toluene-2,4-diisocyanate, toluene di-isocyanate(TDI)) monomer, it is in advance
There is autohemagglutination and the water a small amount of with in system reaction in aggressiveness curing reaction, generates low molecule during generating polyurethane material
The urea of amount and carbamate, the urea of these low-molecular-weights and carbamate heat amount are big, easily lose efficacy, and cause polyurethane material
The phenomenon such as generating material thawing, cracking when high capacity runs.And the structure design comparison of traditional roller is complicated, cause carrying
Property, reliability are poor, and it cannot carry bigger load, is also the major reason affecting roller quality.
Utility model content
This utility model is solved the technical problem that to be to provide a kind of polyurethane high-mechanic roller.
For solving above-mentioned technical problem, this utility model uses a kind of polyurethane high-mechanic roller, and it includes wheel hub, is positioned at
Bearing inside wheel hub and the polyurethane tyre bead layer being made up of the performed polymer containing low-free TDI；Described wheel hub is provided with annular wall
And it being positioned at the through hole inside annular wall, described annular wall is provided with annular inner wall face, annular outer wall face and connects internal face and outer wall
Two sides in face, described annular outer wall face is provided with a pair annular groove, and described polyurethane tyre bead layer is coated on described annular
On the annular outer wall face of wall and fill up described groove.
Further, described polyurethane tyre bead layer is trapezoidal, and it is provided with the inclined-plane that pair of angled is arranged, described inclined-plane and institute
The angle of the side stating annular wall is 15-20 °.
Further, described annular inner wall face is around the surrounding of described through hole, and annular inner wall face is joined with described bearing
Splice grafting touches and is provided with the location division inwardly protruded out.
Further, described location division is kept out in the side of described bearing, and described bearing is relative to location division additionally
Side is provided with jump ring, and described jump ring is fastened on described annular inner wall face.
Further, described side is positioned at the both sides of described polyurethane tyre bead layer, described through hole through said two side,
And it is equipped with, on two sides of described annular wall, the recess caved inward.
Compared with prior art, this utility model optimizes the structure design of wheel hub, and has selected by containing low-free TDI
The tyre bead layer that performed polymer is made so that the dynamic property of whole roller is optimized, load capacity in the case of ensureing the life-span
It is greatly improved.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of polyurethane high-mechanic roller described in the utility model.
Detailed description of the invention
Referring to shown in Fig. 1, this utility model provides a kind of polyurethane high-mechanic roller, including wheel hub 10, is positioned at wheel hub
Bearing 20 inside 10 and the polyurethane tyre bead layer 30 being covered on wheel hub 10.
Wherein, described wheel hub 10 is rounded, and it is provided with annular wall 11 and is positioned at the through hole 12 inside annular wall 11, described ring
Shape wall 11 is provided with annular inner wall face 13, annular outer wall face 14 and connects two sides 15 of inside and outside wall 14, described annular inner wall
Face 13 is around the surrounding of described through hole 12, and annular inner wall face 13 and described bearing 20 coordinate and contact, and is provided with and inwardly protrudes out
The location division 16 gone out, described location division 16 protrudes in described through hole 12, and keeps out in the side of described bearing 20, can prevent axle
Hold 20 to detach in described through hole 12 to side；Described annular outer wall face 14 is provided with a pair annular groove 17, and described annular is recessed
Groove 17 is wide outside and narrow inside, and it inwardly becomes narrow gradually from the notch of groove 17；Described side 15 is positioned at the both sides of described groove 17, described
Through hole 12 through said two side 15, and on two sides 15 of described annular wall, it is equipped with the recess 18 caved inward.
Wherein, described polyurethane tyre bead layer 30 is coated on the annular outer wall face 14 of described annular wall 11, and fills up described
Groove 17, and described polyurethane tyre bead layer 30 is trapezoidal, it is provided with the inclined-plane 31 that pair of angled is arranged, and described inclined-plane 31 is with described
The included angle A of side 15 is 15-20 °.
Wherein, described bearing 20 is installed in the through hole 12 inside described wheel hub 10, and the side of bearing 20 is by described
The effect of location division 16 and spacing, described bearing 20 includes internal ring 21, outer shroud 22 and the rolling between internal ring 21 and outer shroud 22
Pearl 23, described outer shroud 22 is connected on the internal face 13 of described wheel hub 10, and described ball 23 is between internal ring 21 and outer shroud 22
Realize relatively rotating of inner and outer rings 22.In order to increase the effect of stationary positioned, in this utility model preferred embodiment, described
Bearing 20 is being provided with jump ring 24 relative to the other side of location division 16, and described jump ring 24 is fastened on annular inner wall face 13, from
And from opposite side, bearing 20 is carried out spacing, and under the common cooperation by location division 16 and jump ring 24, a left side for complete matched bearings 20
Right limit.
It is noted that wheel hub 10 described in the utility model uses cast iron materials to make, its annular outer wall face 14 is passed through
After binding agent spray treatment, through activated at binding agent, then put it in mould, then pour into a mould low-free TDI (toluene two
Isocyanates) base polyurethane prepolymer for use as, pyroreaction solidification after, described polyurethane tyre bead layer 30 will be combined closely at wheel hub 10
In outside wall surface 14.
It addition, this utility model also provides for the manufacture method of a kind of polyurethane high-mechanic roller, it comprises the steps:
Cast iron materials is used to make wheel hub；
Outer round surface spraying binder to wheel hub, and cross activated at binding agent；
Hub member is placed in mould, and pours into a mould the base polyurethane prepolymer for use as of low-free TDI, after pyroreaction solidifies,
The outer round surface of wheel hub forms polyurethane tyre bead layer；
Wheel hub is put into 80-100 DEG C of baking oven and carries out solidification 16-18 hour, be cooled to room temperature；
Utilize hydraulic press to be pressed in described wheel hub by bearing, obtain roller；
Pair roller cylindrical, width, chamfering machine, to improve the dimensional accuracy of roller.
Polyurethane high-mechanic roller structure described in the utility model design is simple, and reliability and steadiness are excellent, and institute
The setting stating polyurethane tyre bead layer 30 makes roller have more preferable load, and service life is the most longer, and polyurethane tyre bead
Containing TDI free monomer, the most more conducively environmental protection in the performed polymer of layer 30, the performance of product is the most stable.And, polyurethane bullet
Gonosome has the anti-wear performance of excellence, hardness range width, and percentage elongation is high, mechanical load intensity is big, tearing strength is high, with metal etc.
Material bonding force is strong and oil resistivity, weather-resistant, low temperature resistant, energy-absorbing damping performance advantages of higher.Due to above-mentioned characteristic,
Polyurethane elastomer is relatively other elastomeric materials application in high-mechanic fields such as transportation, automobile making, logistics transportation, elevators
The most extensive, advantage becomes apparent from.
The above, be only most preferred embodiment of the present utility model, not this utility model is made any in form
Restriction, any those of ordinary skill in the art, without departing under technical solutions of the utility model ambit, utilize above-mentioned
Technical solutions of the utility model are made many possible variations and modification by the method content disclosed, and belong to claims and protect
The scope protected.
Claims (5)
1. a polyurethane high-mechanic roller, it is characterised in that include wheel hub, be positioned at the bearing inside wheel hub and by containing low
The polyurethane tyre bead layer that the performed polymer of free TDI is made；Described wheel hub is provided with annular wall and is positioned at the through hole inside annular wall, institute
State annular wall be provided with annular inner wall face, annular outer wall face and connect internal face and two sides of outside wall surface, described annular outer wall
Face is provided with a pair annular groove, and described polyurethane tyre bead layer is coated on the annular outer wall face of described annular wall and fills up described
Groove.
Polyurethane high-mechanic roller the most according to claim 1, it is characterised in that: described polyurethane tyre bead layer is trapezoidal,
It is provided with the inclined-plane that pair of angled is arranged, and described inclined-plane is 15-20 ° with the angle of the side of described annular wall.
Polyurethane high-mechanic roller the most according to claim 2, it is characterised in that: described annular inner wall face is around described
The surrounding of through hole, and annular inner wall face contacts and is provided with, with described bearing fit, the location division inwardly protruded out.
Polyurethane high-mechanic roller the most according to claim 3, it is characterised in that: described location division is kept out in described bearing
Side, described bearing is being provided with jump ring relative to the other side of location division, and described jump ring is fastened in described annular inner wall face
On.
Polyurethane high-mechanic roller the most according to claim 4, it is characterised in that: described side is positioned at described polyurethane tire
The both sides of ring layer, described through hole through said two side, and be equipped with on two sides of described annular wall and to cave inward
Recess.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620654987.3U CN205780272U (en) | 2016-06-28 | 2016-06-28 | Polyurethane high-mechanic roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620654987.3U CN205780272U (en) | 2016-06-28 | 2016-06-28 | Polyurethane high-mechanic roller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205780272U true CN205780272U (en) | 2016-12-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620654987.3U Active CN205780272U (en) | 2016-06-28 | 2016-06-28 | Polyurethane high-mechanic roller |
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| Country | Link |
|---|---|
| CN (1) | CN205780272U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105972068A (en) * | 2016-06-28 | 2016-09-28 | 依合斯工程塑胶（上海）有限公司 | High-load-bearing polyurethane roller and production method thereof |
| CN106542403A (en) * | 2017-01-10 | 2017-03-29 | 依合斯工程塑胶（上海）有限公司 | Elevator guide shoe wheel and its manufacture method |
| CN109595255A (en) * | 2019-01-27 | 2019-04-09 | 苏州飞格立工程塑料有限公司 | A kind of idler wheel |
-
2016
- 2016-06-28 CN CN201620654987.3U patent/CN205780272U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105972068A (en) * | 2016-06-28 | 2016-09-28 | 依合斯工程塑胶（上海）有限公司 | High-load-bearing polyurethane roller and production method thereof |
| CN106542403A (en) * | 2017-01-10 | 2017-03-29 | 依合斯工程塑胶（上海）有限公司 | Elevator guide shoe wheel and its manufacture method |
| CN109595255A (en) * | 2019-01-27 | 2019-04-09 | 苏州飞格立工程塑料有限公司 | A kind of idler wheel |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |