CN209458324U - A kind of bimetallic complex spring - Google Patents
A kind of bimetallic complex spring Download PDFInfo
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- CN209458324U CN209458324U CN201821837620.0U CN201821837620U CN209458324U CN 209458324 U CN209458324 U CN 209458324U CN 201821837620 U CN201821837620 U CN 201821837620U CN 209458324 U CN209458324 U CN 209458324U
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- spring
- bimetallic complex
- steel bar
- carbon steel
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Abstract
The utility model belongs to technical field of composite materials, the utility model discloses a kind of bimetallic complex springs, it is in advance bonded by preparing raw material, preparing alloy cream, cold rolling, using after pickling by techniques such as wire drawing, quenching and tempering treatment, coiling molding, annealing heat-treatments, obtain bimetallic complex spring system, the spring is multilayered structure, is followed successively by corrosion-resistant alloy layer, prealloy layer and carbon steel bar layer from outside to inside.The bimetallic complex spring prepared using the present processes can save a large amount of precious metals, reduce engineering cost, and have many advantages, such as that intensity is high, corrosion resistance is good, increase significantly for the service life of spring.
Description
Technical field
The utility model belongs to technical field of composite materials more particularly to a kind of bimetallic complex spring.
Background technique
For spring as the very important part of machinery industry, main function is the connector as two main components,
Mechanical energy or kinetic energy are changed into deformation energy when generating during two main components are in power transfer and restoring deformation, in work
The effects of cushioning balance, storage energy, automatic control, return positioning are played during making.Spring can occur in use
Corrosion phenomenon easily corrodes especially under the rugged environments such as ocean.It can be using stainless steel etc. in important structure
Corrosion resistant alloy material, although can satisfy corrosion proof requirement, corrosion resistant alloy price is more expensive, and intensity is not high, to limit
The application of corrosion resistant alloy in the spring.
Summary of the invention
In view of this, the utility model proposes a kind of bimetallic complex spring, the bimetallic prepared by the above method
Complex spring has good mechanical performance, comprehensive mechanical property, and this method has technique preparation simple, and production cost is low and can
The advantage of continuous production.In order to which some aspects of the embodiment to disclosure have a basic understanding, it is shown below simple
Summary.The summarized section is not extensive overview, nor to determine key/critical component or describe these embodiments
Protection scope.Its sole purpose is that some concepts are presented with simple form, in this, as the preamble of following detailed description.
A kind of bimetallic complex spring, the spring are multilayered structure, are followed successively by corrosion-resistant alloy layer, prealloy layer from outside to inside
And carbon steel bar layer.
Wherein, the material of corrosion-resistant alloy layer is one of stainless steel, nickel-base alloy, titanium alloy.
Wherein, prealloy layer material is nickel-base alloy powder or acid bronze alloy powder.
Wherein, carbon steel bar layer is one of 65Mn steel, 60Si2Mn steel.
The utility model has the following beneficial effects: the bimetallic complex spring prepared using the present processes, it can be with
A large amount of precious metals are saved, engineering cost is reduced, and have many advantages, such as that intensity is high, corrosion resistance is good, the longevity is used for spring
Life increases significantly.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 be in Fig. 1 A-A to schematic cross-section.
Specific embodiment
The following description and drawings fully show the specific embodiment of the utility model, so that those skilled in the art
Them can be practiced.Other embodiments may include structure, logic, it is electrical, process and other change.It is real
It applies example and only represents possible variation.Unless explicitly requested, otherwise individual components and functionality is sequence that is optional, and operating
It can change.The part of some embodiments and feature can be included in or replace part and the feature of other embodiments.
As shown in Figs. 1-2, the utility model provides a kind of preparation method of bimetallic complex spring, is prepared by this method
And the spring gone out is multilayered structure, is followed successively by corrosion-resistant alloy layer, prealloy layer and carbon steel bar layer from outside to inside.
Specific preparation method is made of following steps:
S1: taking corrosion resistant alloy pipe, carbon steel bar and alloyed powder spare, and the internal diameter of corrosion resistant alloy pipe is greater than outside carbon steel bar
Diameter.The compo pipes such as corrosion resistant alloy Guan Kewei stainless steel, nickel-base alloy or titanium alloy.
Carbon steel Surface of Rod Bar is subjected to cleaning oil removing；The step of carbon steel bar surface clean oil removing are as follows:
S101: place before the sodium hydroxide solution for the use of mass fraction being 10% carries out the outer surface of the carbon steel bar
Reason；
S102: under 70 DEG C of water temperatures, the outer surface greasy dirt of the carbon steel bar is cleaned；Soaking time be 10~
20min；
S103: the HCL aqueous solution etch 20min at normal temperature for the use of mass fraction being 10%；
S014: being rinsed and dried using deionized water, and the carbon steel bar that deoils is obtained；
S2: alloyed powder and water are mixed into paste in proportion, obtain alloy cream；The volume ratio that alloyed powder is mixed with water is 3:
1~5:1.Alloyed powder is nickel-base alloy powder or acid bronze alloy powder.The partial size of nickel-base alloy powder or acid bronze alloy powder is 400-800
Mesh.
S3: by the alloy cream, it is uniformly covered in the surface for the carbon steel bar that deoils by spray equipment, forms prealloy
Layer, the thickness < 0.2mm of prealloy layer obtain pre-alloyed carbon steel bar；Cold spraying is selected in spraying.
S4: pre-alloyed carbon steel bar is packed into corrosion resistant alloy pipe, compound embryo material is obtained；Specifically: spray equipment
Position is fixed, by pushing carbon steel bar mobile, so that carbon steel bar after by spray equipment, will enter one and lead position
Pipe, then can accurately penetrate in corrosion resistant alloy pipe, obtain compound embryo material.The diminishing pipeline of Guan Weiyi hole diameter is led,
The numerical value of middle minimum-value aperture is identical as the internal diameter of corrosion resistant alloy pipe, so that corrosion resistant alloy pipe, which can pass through, leads position pipe.
S5: compound embryo material, which enters in drying box, to be dried；
S6: the compound embryo material after dry is bonded in advance using the cold rolling that pony rougher group carries out 2-6 passage；Wherein, using with it is multiple
The corresponding concave roll of embryo material cross-sectional shape is closed, the duo mill cold rolling 2-6 passage of horizontally and vertically alternative placement is carried out, so that in advance
Compound embryo material cross-sectional area after fitting reduces 5%~20%.Corrosion resistant alloy pipe, carbon steel bar are fitted closely, eliminate two
Gap between person is conducive to fixing internal alloyed powder, while reducing oxidation of the air to metal in gap.
S7: the compound embryo material after pre- fitting is put into heating furnace, is warming up to 1050-1200 DEG C, heat preservation；Embryo material after heating
Method hot rolling is carried out, the compound round steel of bimetallic is obtained；
S8: acid pickling and rust removing pickling: is carried out to the compound round steel surface of bimetallic；
S9: wire drawing: to the compound round steel cold-drawn wire drawing of bimetallic after pickling, bimetallic composite steel wire is obtained；
S10: it quenches, tempering heat treatment: being quenched bimetallic composite steel wire, tempering heat treatment；
S11: coiling molding: using torsion machine by bimetallic composite steel wire around being rolled into spring；
S12: it heat treatment: anneals to spring in S11, obtains finished product spring.
As shown in Figs. 1-2, a kind of bimetallic complex spring, is prepared by above-mentioned preparation method.Wherein, which is more
Layer structure, is followed successively by corrosion-resistant alloy layer 1, prealloy layer 2 and carbon steel bar layer 3 from outside to inside.
Wherein, the material of corrosion-resistant alloy layer is one of stainless steel, nickel-base alloy, titanium alloy.
Wherein, prealloy layer material is nickel-base alloy powder or acid bronze alloy powder.
Wherein, carbon steel bar layer is one of 65Mn steel, 60Si2Mn steel.
Embodiment one:
Corrosion resistant alloy pipe selects 304 stainless steels, and carbon steel bar selects 65Mn steel, the outer surface of 65Mn steel bar is carried out clear
It washes, oil removing.Nickel-base alloy powder and distilled water are mixed into alloy cream, the volumetric mixture ratio of nickel-base alloy powder and distilled water is 4:1,
Prealloy layer with a thickness of 0.08mm.The nickel-base alloy powder partial size is 400 mesh.Using rotary spraying device by nickel-base alloy powder
While with solution mixture cold spraying to the steel bar surface 65Mn, carbon steel bar is constantly pushed into anti-corrosion conjunction by automatic pipe lining machine
Jin Guan, combination form compound embryo material, then dry in drying box.
Compound embryo material after drying is used into concave roll corresponding with compound embryo material cross-sectional shape, carries out flat grade separation
For 4 passage of duo mill cold rolling of placement.The cross-sectional area of compound embryo material after pre- fitting reduces 10%.By answering after cold rolling
It closes embryo material to be put into heating furnace, is warming up to 1100 DEG C, keep the temperature 1h.Then embryo material uses method hot rolling after heating, and obtains double gold
Belong to compound round steel.Then step S8-S12 is successively executed, to obtain finished product spring.
Embodiment two:
Corrosion resistant alloy pipe selects Hastelloy pipe, and carbon steel bar selects 60Si2Mn steel, by the appearance of 60Si2Mn steel bar
Face cleaned, oil removing.Nickel-base alloy powder and distilled water are mixed into alloy cream, the volume mixture of nickel-base alloy powder and distilled water
Than for 4:1, prealloy layer with a thickness of 0.08mm.The nickel-base alloy powder partial size is 400 mesh.Using rotary spraying device by nickel
Based alloy powder and while solution mixture cold spraying to the steel bar surface 60Si2Mn, automatic pipe lining machine by carbon steel bar not
Disconnected push-in Hastelloy pipe, combination form compound embryo material, then dry in drying box.
Compound embryo material after drying is used into concave roll corresponding with compound embryo material cross-sectional shape, carries out flat grade separation
For 4 passage of duo mill cold rolling of placement.The cross-sectional area of compound embryo material after pre- fitting reduces 10%.By answering after cold rolling
It closes embryo material to be put into heating furnace, is warming up to 1100 DEG C, keep the temperature 1h.Then embryo material uses method hot rolling after heating, and obtains double gold
Belong to compound round steel.Then step S8-S12 is successively executed, to obtain finished product spring.
Embodiment three:
Corrosion resistant alloy pipe selects titanium alloy tube, and carbon steel bar selects 60Si2Mn steel, by the outer surface of 60Si2Mn steel bar
It is cleaned, oil removing.Nickel-base alloy powder and distilled water are mixed into alloy cream, the volumetric mixture ratio of nickel-base alloy powder and distilled water
For 4:1, prealloy layer with a thickness of 0.08mm.The nickel-base alloy powder partial size is 400 mesh.It will be Ni-based using rotary spraying device
While alloyed powder and solution mixture cold spraying to the steel bar surface 60Si2Mn, automatic pipe lining machine is continuous by carbon steel bar
It is pushed into Hastelloy pipe, combination forms compound embryo material, then dry in drying box.
Compound embryo material after drying is used into concave roll corresponding with compound embryo material cross-sectional shape, carries out flat grade separation
For 4 passage of duo mill cold rolling of placement.The cross-sectional area of compound embryo material after pre- fitting reduces 10%.By answering after cold rolling
It closes embryo material to be put into heating furnace, is warming up to 1100 DEG C, keep the temperature 1h.Then embryo material uses method hot rolling after heating, and obtains double gold
Belong to compound round steel.Then step S8-S12 is successively executed, to obtain finished product spring.
It should also be appreciated by one skilled in the art that various illustrative logical boxs, mould in conjunction with the embodiments herein description
Electronic hardware, computer software or combinations thereof may be implemented into block, circuit and algorithm steps.In order to clearly demonstrate hardware and
Interchangeability between software surrounds its function to various illustrative components, frame, module, circuit and step above and carries out
It is generally described.Hardware is implemented as this function and is also implemented as software, depends on specific application and to entire
The design constraint that system is applied.Those skilled in the art can be directed to each specific application, be realized in a manner of flexible
Described function, still, this realization decision should not be construed as a departure from the scope of protection of this disclosure.
Claims (4)
1. a kind of bimetallic complex spring, which is characterized in that the spring is multilayered structure, is followed successively by corrosion resistant alloy from outside to inside
Layer, prealloy layer and carbon steel bar layer.
2. a kind of bimetallic complex spring according to claim 1, which is characterized in that the material of corrosion-resistant alloy layer is stainless
One of steel, nickel-base alloy, titanium alloy.
3. a kind of bimetallic complex spring according to claim 2, which is characterized in that prealloy layer material is nickel-base alloy
Powder or acid bronze alloy powder.
4. a kind of bimetallic complex spring according to claim 3, which is characterized in that carbon steel bar layer be 65Mn steel,
One of 60Si2Mn steel.
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| CN201821837620.0U CN209458324U (en) | 2018-11-08 | 2018-11-08 | A kind of bimetallic complex spring |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821837620.0U CN209458324U (en) | 2018-11-08 | 2018-11-08 | A kind of bimetallic complex spring |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114523104A (en) * | 2021-01-05 | 2022-05-24 | 南京工业大学 | Surface nickel-phosphorus-plated graphene reinforced titanium-based composite material and preparation method thereof |
-
2018
- 2018-11-08 CN CN201821837620.0U patent/CN209458324U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114523104A (en) * | 2021-01-05 | 2022-05-24 | 南京工业大学 | Surface nickel-phosphorus-plated graphene reinforced titanium-based composite material and preparation method thereof |
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Effective date of registration: 20210309 Address after: 223800 south of 3325 provincial road and east of Lijiang Road, high tech Industrial Development Zone, Suqian City, Jiangsu Province Patentee after: Jiangsu Ruiying new material technology development Co.,Ltd. Address before: 211816 Puzhu South Road, Pukou District, Nanjing, Jiangsu Province, No. 30 Patentee before: NANJING TECH University |