CN206262978U - Cemented carbide composite roll collar and cemented carbide composite roll collar group - Google Patents
Cemented carbide composite roll collar and cemented carbide composite roll collar group Download PDFInfo
- Publication number
- CN206262978U CN206262978U CN201621267367.0U CN201621267367U CN206262978U CN 206262978 U CN206262978 U CN 206262978U CN 201621267367 U CN201621267367 U CN 201621267367U CN 206262978 U CN206262978 U CN 206262978U
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- China
- Prior art keywords
- hard alloy
- steel inner
- lug boss
- base portion
- alloy overcoat
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Abstract
The utility model embodiment discloses a kind of cemented carbide composite roll collar and cemented carbide composite roll collar group, and cemented carbide composite roll collar includes：Two steel inner sleeves and hard alloy overcoat；Steel inner sleeve includes base portion and lug boss, and base portion and lug boss be integrally formed, and base portion and lug boss are in respectively hollow cylindrical, base portion and lug boss is coaxial and internal diameter is equal, the external diameter of the external diameter more than lug boss of base portion；Hard alloy overcoat is in hollow cylindrical, and the external diameter of the internal diameter more than lug boss of hard alloy overcoat, the axial width of hard alloy overcoat is less than two axial width sums of lug boss in two steel inner sleeves, and the external diameter of hard alloy overcoat is equal with the external diameter of base portion；Binder course is filled with gap between hard alloy overcoat and two steel inner sleeves, the end face of steel inner sleeve is provided with the material filling hole being connected with gap；By the design to steel inner sleeve and hard alloy overcoat, the bond strength between steel inner sleeve and hard alloy overcoat is significantly enhanced.
Description
Technical field
The utility model is related to metal working technical area, more particularly to a kind of cemented carbide composite roll collar and hard alloy
Composite roll ring group.
Background technology
Roll is a kind of conventional equipment component in metallurgical and mechanical processing industry, is also a kind of industrial material of easy loss
Material, carbide roll ring compared to other traditional materials collars, with hardness it is high, compression strength is big, wearability good, corrosion resistant
Corrosion is good, coefficient of friction is small, pyroconductivity is low, long service life, rolling Product Precision it is high, the advantages of quality is good, be usually used in
High speed wire rolling, but carbide roll ring weight is big simultaneously, difficulty of processing is big, percent defective is high, alloy resource waste is big, price is high,
Shock resistance and poor seismic behavior, in the case of by mill speed higher, draught pressure and thermal shock load, are also easy to produce and split
Line simultaneously extends rapidly, causes surface to peel off the generation with broken roller phenomenon.
In order to reduce the price of carbide roll ring, improve the machinability and shock resistance of carbide roll ring, industry
Interior cemented carbide composite roll collar, the i.e. outer layer of commonly using at present uses hard alloy, internal layer to use the preferable high strength steel of toughness,
Formed using adhesive bond between ectonexine, can largely save the usage amount of hard alloy, so as to reduce production cost.
But, in current cemented carbide composite roll collar, between the hard alloy of outer layer and the high strength steel of internal layer, generally
There is a problem of that bond strength is low.
Utility model content
The purpose of this utility model is to provide a kind of cemented carbide composite roll collar and cemented carbide composite roll collar group, to solve
The low problem of certainly existing cemented carbide composite roll collar bond strength.
According to the first aspect of embodiment of the present utility model, there is provided a kind of cemented carbide composite roll collar, including：Symmetrically
The two steel inner sleeves for setting and the hard alloy overcoat for being sheathed on described two steel outside of inner cover；
The steel inner sleeve includes base portion, and is arranged at the lug boss in the base portion, the base portion and described
Lug boss is integrally formed, and the base portion and the lug boss are in respectively hollow cylindrical, the base portion and the lug boss
It is coaxial and internal diameter is equal, the external diameter of the external diameter more than the lug boss of the base portion；
The hard alloy overcoat is in hollow cylindrical, and the internal diameter of the hard alloy overcoat is outer more than the lug boss
Footpath, the axial width of the hard alloy overcoat is less than two axial width sums of lug boss, institute in described two steel inner sleeves
The external diameter for stating hard alloy overcoat is equal with the external diameter of the base portion；
The end face of two lug bosses in described two steel inner sleeves is in contact, and the hard alloy overcoat is sheathed on institute
State the outside of lug boss；
Binder course is filled with gap between the hard alloy overcoat and described two steel inner sleeves, the steel inner sleeve
End face is provided with the material filling hole being connected with the gap.
The radial thickness of the hard alloy overcoat is 20mm~30mm.
The radial thickness of the base portion is 10mm~30mm, and the radial thickness of the lug boss is 10mm~20mm.
The binder course is 0.5mm~1mm in the thickness radially of the hard alloy overcoat, and the binder course is in institute
It is 0.5mm~1mm to state the thickness in the axial direction of hard alloy overcoat.
According to the second aspect of embodiment of the present utility model, there is provided a kind of cemented carbide composite roll collar group, by several
Above-mentioned cemented carbide composite roll collar, forms, two adjacent steel inner sleeves one along the axial direction stacking of the hard alloy overcoat
It is body formed.
The cemented carbide composite roll collar and hard alloy provided from above technical scheme, the utility model embodiment are multiple
Collars group is closed, cemented carbide composite roll collar includes：Symmetrically arranged two steel inner sleeves and it is sheathed on two steel outside of inner cover
Hard alloy overcoat；Steel inner sleeve includes base portion, and is arranged at the lug boss in base portion, base portion and lug boss one into
Type, base portion and lug boss are in respectively hollow cylindrical, base portion and lug boss is coaxial and internal diameter is equal, and the external diameter of base portion is big
In the external diameter of lug boss；Hard alloy overcoat is in hollow cylindrical, and the internal diameter of hard alloy overcoat is more than the external diameter of lug boss, firmly
The axial width of matter alloy overcoat is less than two axial width sums of lug boss in two steel inner sleeves, outside hard alloy overcoat
Footpath is equal with the external diameter of base portion；The end face of two lug bosses in two steel inner sleeves is in contact, and hard alloy overcoat is sheathed on
The outside of lug boss；Binder course is filled with gap between hard alloy overcoat and two steel inner sleeves, the end face of steel inner sleeve sets
It is equipped with the material filling hole being connected with gap；By the structure design to steel inner sleeve and hard alloy overcoat, and steel inner sleeve with
And binder course is filled in the gap of hard alloy overcoat, the combination significantly enhanced between steel inner sleeve and hard alloy overcoat is strong
Degree, while power transmission, damping can be played a part of；Additionally, it is hard that the combination of multiple cemented carbide composite roll collars is bonded together into composition
Matter alloy composite roll ring group, saves Hardmetal materials, so that cost is greatly lowered to greatest extent.
Brief description of the drawings
In order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art, below will be to embodiment
Needed for the accompanying drawing to be used be briefly described, it should be apparent that, drawings in the following description are only of the present utility model
Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to this
A little accompanying drawings obtain other accompanying drawings.
The sectional view of the cemented carbide composite roll collar that Fig. 1 is provided for the utility model embodiment；
The structural decomposition diagram of the cemented carbide composite roll collar that Fig. 2 is provided for the utility model embodiment；
The sectional view of the cemented carbide composite roll collar group that Fig. 3 is provided for the utility model embodiment.
In figure, 10- steel inner sleeves；20- hard alloy overcoats；30- binder courses；90- material fillings hole；91- base portions；92- is raised
Portion.
Specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clear, complete description, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of the utility model protection.
Fig. 1 to Fig. 2 is referred to, according to the first aspect of the utility model embodiment, there is provided a kind of hard alloy composite roll
Ring, including：Symmetrically arranged two steel inner sleeves 10 and the hard alloy overcoat 20 being sheathed on outside two steel inner sleeves 10.
Wherein, steel inner sleeve 10 includes base portion 91, and is arranged at the lug boss 92 in base portion 91, base portion 91 and convex
Play portion 92 to be integrally formed, base portion 91 and lug boss 92 are in respectively hollow cylindrical, and base portion 91 and lug boss 92 are coaxial and interior
Footpath is equal, the external diameter of the external diameter more than lug boss 92 of base portion 91.
Hard alloy overcoat 20 is in hollow cylindrical, and the internal diameter of hard alloy overcoat 20 is more than the external diameter of lug boss 92, firmly
The axial width of matter alloy overcoat 20 is less than two axial width sums of lug boss 92 in two steel inner sleeves 10, outside hard alloy
The external diameter of set 20 is equal with the external diameter of base portion 91.
The end face of two lug bosses 92 in two steel inner sleeves 10 is in contact, and hard alloy overcoat 20 is sheathed on lug boss 92
Outside.Steel inner sleeve 10 is made two, can convenient for assembly and processing.
Binder course 30, two steel inner sleeves 10 are filled with gap between hard alloy overcoat 20 and two steel inner sleeves 10
In, the end face of at least one steel inner sleeve 10 is provided with the material filling hole 90 being connected with gap, and binder course 30 is easy in material filling hole 90
The addition of the binding material of material.
The internal diameter of base portion 91 and lug boss 92 can carry out corresponding size according to the purposes of cemented carbide composite roll collar
Design, such as 120mm, 300mm.
Preferably, the radial thickness of hard alloy overcoat 20 is 20mm~30mm, and no less than default roll abrasion loss.
The part contacted with reinforcing bar when groove is rolling concrete steel bar, namely key wear working portion.The width of hard alloy overcoat 20
More than the width of groove, it is therefore an objective to make Cemented Carbide Hardness high, wear-resisting so that the reinforcing bar of rolling has preferable outward appearance.
Preferably, the radial thickness of base portion 91 is 10mm~30mm, and the radial thickness of lug boss 92 is 10mm~20mm.
Binder course 30 is 0.5mm~1mm in the thickness radially of hard alloy overcoat 20, and binder course 30 is in hard alloy overcoat 20
Thickness on axial direction is 0.5mm~1mm.
Preferably, the material of binder course 30 is zinc-copper powder.Zinc-copper powder can use the trades mark such as H65, H68, H70, H75.
The cemented carbide composite roll collar provided from above technical scheme, the utility model embodiment, including：Symmetrically set
The two steel inner sleeves 10 put and the hard alloy overcoat 20 being sheathed on outside two steel inner sleeves 10.Steel inner sleeve 10 includes base portion
91, and be arranged at the lug boss 92 in base portion 91, base portion 91 and lug boss 92 are integrally formed, base portion 91 and lug boss
92 is in respectively hollow cylindrical, and base portion 91 is coaxial with lug boss 92 and internal diameter is equal, and the external diameter of base portion 91 is more than lug boss
92 external diameter.Hard alloy overcoat 20 is in hollow cylindrical, and the internal diameter of hard alloy overcoat 20 is more than the external diameter of lug boss 92, firmly
The axial width of matter alloy overcoat 20 is less than two axial width sums of lug boss 92 in two steel inner sleeves 10, outside hard alloy
The external diameter of set 20 is equal with the external diameter of base portion 91.The end face of two lug bosses 92 in two steel inner sleeves 10 is in contact, hard
Alloy overcoat 20 is sheathed on the outside of lug boss 92.It is filled with gap between hard alloy overcoat 20 and two steel inner sleeves 10
Binder course 30, in two steel inner sleeves 10, the end face of at least one steel inner sleeve 10 is provided with the material filling hole 90 being connected with gap；It is logical
Cross setting steel inner sleeve 10 and hard alloy overcoat 20 and be oppositely arranged two steel inner sleeves 10 in assembling, hard alloy overcoat
20 are sheathed on outside two steel inner sleeves 10, and binder course is filled with the gap between hard alloy overcoat 20 and two steel inner sleeves 10
30, two steel inner sleeves 10 and hard alloy overcoat 20 are combined together, by steel inner sleeve 10 and hard alloy overcoat 20
Structure design, and in the gap of steel inner sleeve 10 and hard alloy overcoat 20 fill binder course 30, significantly enhance in steel
Bond strength between set 10 and hard alloy overcoat 20, while power transmission, damping can be played a part of.
Fig. 3 is referred to, according to the second aspect of the utility model embodiment, there is provided a kind of cemented carbide composite roll collar group,
By several above-mentioned cemented carbide composite roll collars, formed along the axial direction stacking of hard alloy overcoat 20, in two adjacent steel
Set 10 is integrally formed.
The cemented carbide composite roll collar group provided from above technical scheme, the utility model embodiment, on several
Cemented carbide composite roll collar is stated, is formed along the axial direction stacking of hard alloy overcoat 20, ensureing steel inner sleeve 10 with hard conjunction
While there is bond strength higher between golden overcoat 20, Hardmetal materials are saved to greatest extent, so that cost is big
Amplitude reduction.
Those skilled in the art will readily occur to this practicality after considering specification and putting into practice utility model disclosed herein
Other new embodiments.The application is intended to any modification of the present utility model, purposes or adaptations, these
Modification, purposes or adaptations follow general principle of the present utility model and including undocumented skill of the utility model
Common knowledge or conventional techniques in art field.Description and embodiments be considered only as it is exemplary, it is of the present utility model
True scope and spirit are pointed out by following claim.
It should be appreciated that the utility model is not limited to the accurate knot for being described above and being shown in the drawings
Structure, and can without departing from the scope carry out various modifications and changes.Scope of the present utility model only will by appended right
Ask to limit.
Claims (5)
1. a kind of cemented carbide composite roll collar, it is characterised in that including：Symmetrically arranged two steel inner sleeves (10) and it is sheathed on
The outside hard alloy overcoat (20) of described two steel inner sleeves (10)；
The steel inner sleeve (10) includes base portion (91), and is arranged at the lug boss (92) in the base portion (91), described
Base portion (91) and the lug boss (92) are integrally formed, and the base portion (91) and the lug boss (92) are in respectively hollow circle
Column, the base portion (91) and the lug boss (92) are coaxial and internal diameter is equal, and the external diameter of the base portion (91) is more than institute
State the external diameter of lug boss (92)；
The hard alloy overcoat (20) is more than the lug boss in hollow cylindrical, the internal diameter of the hard alloy overcoat (20)
(92) external diameter, the axial width of the hard alloy overcoat (20) is less than two lug bosses in described two steel inner sleeves (10)
(92) axial width sum, the external diameter of the hard alloy overcoat (20) is equal with the external diameter of the base portion (91)；
The end face of two lug bosses (92) in described two steel inner sleeves (10) is in contact, the hard alloy overcoat (20)
It is sheathed on the outside of the lug boss (92)；
Binder course (30) is filled with gap between the hard alloy overcoat (20) and described two steel inner sleeves (10), it is described
In two steel inner sleeves (10), the end face of at least one steel inner sleeve (10) is provided with the material filling hole (90) being connected with the gap.
2. cemented carbide composite roll collar according to claim 1, it is characterised in that the footpath of the hard alloy overcoat (20)
It is 20mm~30mm to thickness.
3. cemented carbide composite roll collar according to claim 1, it is characterised in that the radial thickness of the base portion (91)
It is 10mm~30mm, the radial thickness of the lug boss (92) is 10mm~20mm.
4. cemented carbide composite roll collar according to claim 1, it is characterised in that the binder course (30) is in the hard
The thickness radially of alloy overcoat (20) is 0.5mm~1mm, and the binder course (30) is in the hard alloy overcoat (20)
Thickness on axial direction is 0.5mm~1mm.
5. a kind of cemented carbide composite roll collar group, it is characterised in that as several hard as described in any one of Claims 1 to 4
Alloy composite ring, forms, adjacent two steel inner sleeves (10) along the axial direction stacking of the hard alloy overcoat (20)
It is body formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621267367.0U CN206262978U (en) | 2016-11-22 | 2016-11-22 | Cemented carbide composite roll collar and cemented carbide composite roll collar group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621267367.0U CN206262978U (en) | 2016-11-22 | 2016-11-22 | Cemented carbide composite roll collar and cemented carbide composite roll collar group |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206262978U true CN206262978U (en) | 2017-06-20 |
Family
ID=59039980
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621267367.0U Withdrawn - After Issue CN206262978U (en) | 2016-11-22 | 2016-11-22 | Cemented carbide composite roll collar and cemented carbide composite roll collar group |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206262978U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106345815A (en) * | 2016-11-22 | 2017-01-25 | 湖南三泰新材料股份有限公司 | Cemented carbide composite roll collar and preparing method thereof |
-
2016
- 2016-11-22 CN CN201621267367.0U patent/CN206262978U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106345815A (en) * | 2016-11-22 | 2017-01-25 | 湖南三泰新材料股份有限公司 | Cemented carbide composite roll collar and preparing method thereof |
| CN106345815B (en) * | 2016-11-22 | 2018-04-03 | 湖南三泰新材料股份有限公司 | Cemented carbide composite roll collar, composite roll ring group and composite ring preparation method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170620 Effective date of abandoning: 20180403 |
|
| AV01 | Patent right actively abandoned |