CN107303127B - A kind of cooking pot tool and its manufacturing method - Google Patents
A kind of cooking pot tool and its manufacturing method Download PDFInfo
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- CN107303127B CN107303127B CN201610260473.4A CN201610260473A CN107303127B CN 107303127 B CN107303127 B CN 107303127B CN 201610260473 A CN201610260473 A CN 201610260473A CN 107303127 B CN107303127 B CN 107303127B
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- magnetic conduction
- coating
- cooking pot
- stainless steel
- wearing layer
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Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/002—Construction of cooking-vessels; Methods or processes of manufacturing specially adapted for cooking-vessels
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J36/00—Parts, details or accessories of cooking-vessels
- A47J36/02—Selection of specific materials, e.g. heavy bottoms with copper inlay or with insulating inlay
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/12—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by mechanical means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/14—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/50—Multilayers
- B05D7/52—Two layers
- B05D7/54—No clear coat specified
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2202/00—Metallic substrate
- B05D2202/10—Metallic substrate based on Fe
- B05D2202/15—Stainless steel
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Cookers (AREA)
Abstract
The present invention relates to a kind of cooking pot tool and its manufacturing methods, the cooking pot tool includes stainless steel pot body, magnetic conduction coating and antirust wearing layer, the magnetic conduction coating is located on the lateral surface of the bottom wall of the stainless steel pot body, and the porosity of the magnetic conduction coating porosity is 10% to 15%；The antirust wearing layer is attached on the magnetic conduction coating.Magnetic conduction coating of the present invention due to being equipped with the porosity with 10% to 15% on the bottom wall of the stainless steel pot body, it can be absorbed by the concussion of air in magnetic conduction coat inside hole and consume the energy of partial noise, significantly reduce noise of cookware during electromagnetic heating；And antirust wearing layer is externally provided in magnetic conduction coating long-term (1~2 year) the rustless purpose of magnetic conduction coating can be effectively protected.
Description
Technical field
The present invention relates to the manufacturing methods of a kind of cooking pot tool and cooking pot tool, belong to culinary cuisine fixture field.
Background technique
In culinary cuisine device in the prior art, the larger noise that stainless steel cookware can generate on electromagnetic heating apparatus,
To artificial at puzzlement.Chinese patent 201520555609.5 discloses a kind of cooking apparatus, including stainless steel pot body, pot cover and
It is set to for discharging the sound-absorbing box of steam on pot cover, sound-absorbing box includes: block, is arranged close to stainless steel pot body；Case lid, Gai He
In on block and far from stainless steel pot body；Sound absorbing layer is set between block and case lid and is made of flexible sound-absorbing material, sound-absorbing
Layer includes that partition wall, partition wall and block or/and case lid surround steam channel jointly, which causes stainless steel pan structure multiple
Miscellaneous and manufacturing cost is high, it is inconvenient to install in production.
Summary of the invention
The present invention is to provide a kind of cooking pot tool and its manufacturing method in order to solve the above technical problems, overcomes existing skill
In art stainless steel cookware noise during electromagnetic heating it is larger or it is existing by increase Attraction structure cause stainless steel pot body
Manufacturing process complexity and the biggish defect of cost.
The technical scheme to solve the above technical problems is that a kind of cooking pot tool, which is characterized in that including stainless
Steel pot body, magnetic conduction coating and antirust wearing layer, the magnetic conduction coating are located on the lateral surface of the bottom wall of the stainless steel pot body, institute
The porosity for stating magnetic conduction coating porosity is 10% to 15%；The antirust wearing layer is attached on the magnetic conduction coating.
The structure magnetic conduction coating porosity is smaller lead to electromagnetic heating stainless steel pot body during, noise reduction effect is unknown
Aobvious, the excessive structural behaviour that will affect pot body of porosity, the present invention show that in porosity be 10% to 15% by many experiments
The noise during electromagnetic heating can be reduced and significantly to guarantee that pot body has good structural behaviour.
The beneficial effects of the present invention are: the present invention due on the bottom wall of the stainless steel pot body be equipped with have 10% to
The magnetic conduction coating of 15% porosity can absorb by the concussion of air in magnetic conduction coat inside hole and consume partial noise
Energy significantly reduces noise of cookware during electromagnetic heating；And be externally provided with antirust wearing layer in magnetic conduction coating can be effective
Long-term (1~2 year) the rustless purpose of protection magnetic conduction coating.
Based on the above technical solution, the present invention can also be improved as follows.
A kind of present invention cooking pot tool as described above, further, particularly preferably, the magnetic conduction coating is that martensite is stainless
Steel coating, ferrite stainless steel coating, mild steel or ferrosilicon coating.
It is using above-mentioned further beneficial effect: using martensite stainless steel material, ferrite stainless steel material, low-carbon
Steel material or ferrosilicon material can obtain the magnetic conduction coating of 10% to 15% porosity by certain technique,
Reduce the noise generated during electromagnetic heating.
A kind of present invention cooking pot tool as described above, further, the magnetic conduction coating layer thickness be 50 μm extremely
500μm。
A kind of present invention cooking pot tool as described above, further, the antirust wearing layer are 30 μm to 50 μm.
A kind of present invention cooking pot tool as described above, further, the antirust wearing layer are aluminium alloy covered or stainless
Steel coating.
It is using above-mentioned further beneficial effect: improves the etch-proof performance of pot body.Preferably, stainless steel coating is
304 stainless steel coatings.Due to being provided with aluminium alloy covered or stainless steel coating can achieve that ferromagnetism coating is effectively protected is long
Phase rustless purpose.
A kind of present invention cooking pot tool as described above, further, the outer surface roughness range of the antirust wearing layer is 1
μm to 3 μm.
A kind of present invention cooking pot tool as described above, further, the porosity of hole is less than in the antirust wearing layer
5%.
Be using above-mentioned further beneficial effect: the antirust wearing layer is finer and close, can effectively prevent corrosive medium
Intrusion guarantees that entire coating has preferable anticorrosion effect.
The present invention also provides a kind of spraying methods of cooking pot tool, comprising the following steps:
Step 1) cleans the bottom wall of stainless steel pot body, carries out blasting treatment to area to be sprayed；
Step 2) preheats area to be sprayed, and the magnetic conduction coating of melting is attached to institute in a manner of metallurgy spraying
On the bottom wall for stating stainless steel pot body, to form the magnetic conduction coating with 10% to 15% porosity；
Step 3) by antirust wearing layer with mechanical bond on the outside of the magnetic conduction coating, or by antirust wear-resistant material with metallurgy
The mode of spraying, which is incorporated on the outside of the magnetic conduction coating, forms antirust wearing layer.
Double coating cooking pot bottoms of the method for the present invention preparation due in intermediate magnetic conduction coating with 10% to 15% porosity, can be with
The energy of partial noise is absorbed and consumed by the concussion of the air in the hole of the magnetic conduction coating of the porosity ranges, it is significant to drop
Noise of low cookware during electromagnetic heating.
A kind of present invention spraying method of cooking pot tool as described above, further, step 2) and step 3) the metallurgy spray
Painting is all made of arc spray process and is sprayed.
A kind of present invention spraying method of cooking pot tool as described above, it is further, described to area to be sprayed in step 1)
Carrying out blasting treatment includes: to be carried out using bottom wall surface of the sand-blasting machine to the stainless steel pot body of area to be sprayed to area to be sprayed
Blasting treatment, so that area to be sprayed roughness is 60 to 80 μm.Surface (the Ra 60 of rougher degree is formed on surface to be sprayed
To 80 μm), which can improve the bottom wall of stainless steel pot body and the binding force of ferromagnetism coating.
Above-mentioned stainless steel pot body can be 430 stainless steel pot bodys, can be used with subtle iron sand particle to 430 stainless steel pot bodys
Sand-blasting machine carries out blasting treatment to the bottom wall surface of the stainless steel pot body of area to be sprayed, and the position for being not required to spraying is carried out with fixture
Block processing.
A kind of spraying method of cooking pot tool further in step 2), carries out area to be sprayed the present invention as described above
Preheating specifically includes: carrying out the bottom wall of stainless steel pot body surface to be sprayed to be heated to 100 DEG C to 150 DEG C with oxy-acetylene flame.
2 are preferably preheated in the step to 3min.The step is further, and the magnetic conduction coating can be ferrous alloy silk
Material is specifically first treated sprayed surface using oxy-acetylene flame and is preheated 2 to 3 minutes, and preheating temperature control is 100 to 150
DEG C, immediately using electric arc spraying by ferrous alloy silk material high-temperature fusion after preheating, molten melt drop is high under the auxiliary of high-speed flow
Speed sprays to the bottom wall of the stainless steel pot body of stainless-steel pan to be sprayed, obtains the ferromagnetism coating formed with a thickness of 50 to 500 μm,
Using containing the less ferroalloy silk material of other alloying elements, cost is relatively low in detailed process, magnetic property is preferable, although it is in heat
It can partially be oxidized to the oxide (for example, ferromagnetic ferrite) of iron in spraying process, enhance the electromagnetic induction energy of cookware
Power, and then effectively increase the electromagnetic heating efficiency of cookware.
A kind of spraying method of cooking pot tool further includes further that step 4) is resistance to the antirust to the present invention as described above
It grinds layer and carries out sanding and polishing, guarantee that its surface roughness is 1 to 3 μm.
A kind of present invention spraying method of cooking pot tool as described above, further, the technological parameter of step 2) electric arc spraying
Are as follows: spray voltage is 32 to 34V；Spraying current is 160 to 180A；Compressed air pressure is 0.6 to 0.7Mpa, spray angle model
Enclosing is 70 ° to 85 °, and spray distance range is 300mm to 500mm.
It is using further beneficial effect: can be by magnetic layer using the technological parameter of the electric arc spraying within the scope of this
Porosity is in 10% to 15% range.In the parameter of above-mentioned influence electric arc spraying process, it is however generally that, spray voltage and spraying
The power factor (PF) of electric current arcing spraying, spray power is bigger, and coating can be closer, and porosity is lower, and spray power is too small,
Porosity is higher, but too small power will affect spray efficiency, so that the magnetic conduction number of particles for reaching area to be sprayed is reduced.Spray
Painting angle is bigger, and the porosity of magnetic conduction coating is smaller, and spray angle is smaller, and the porosity of magnetic conduction coating is bigger, but too small spray
Applying angle influences spray efficiency.Spray distance is bigger, and the porosity of magnetic conduction coating is higher, and spray distance is smaller, magnetic conduction coating
Porosity is smaller, but excessive spray distance influences spray efficiency.
A kind of present invention spraying method of cooking pot tool as described above, further, the technological parameter of step 3) electric arc spraying
It is 34 to 36V for spray voltage；Spraying current is 180 to 200A；Air pressure is 0.7 to 0.8MPa, and spray angle range is
87 ° to 90 °, spray distance range is 250mm to 400mm.
Beneficial effect using above-mentioned further scheme is: can easier realize antirust wearing layer thickness control 30
In to 50 μ ms and lower porosity is very low, porosity < 5%, which guarantees that entire coating structure is finer and close, can have
Effect prevents the intrusion of corrosive medium, has preferable anticorrosion effect.
Preferably, the magnetic conduction coating, the antirust wearing layer are sequentially arranged in the bottom of the stainless steel pot body to the present invention
On the outside of wall.There is stainless steel pot body of the present invention the magnetic conduction coating of 10% to 15% porosity and anticorrosion antiwear layer can not only reduce
The electromagnetic noise of stainless steel cookware improves the electromagnetic heating power transfer efficiency of stainless steel cookware, can also keep long-term non-corrosive
Effect.
Porosity (Porosity) refers in non-coherent material stacking volume, the voidage between particle is of the total volume
Ratio.The hole of coating refers to coating surface up to the tiny duct of parent metal.Plating layer porosity reflects coating surface
Compactness extent, porosity size directly affect the protective capacities of protective coating.Porosity measurement is also extremely important, it is to measure plating
The important indicator of layer quality.The method that standard GB/T 5935 defines measurement coating hole has patch filter paper method, applies cream method, dipping
Method, anode electricity, which are situated between, surveys coating porosimetry, gas phase test method(s) etc..It is electroplated in professional latest national standards, the mark of ferroxyl test
It is quasi- are as follows: 1999 metal cladding ferroxyl test of GB/Tl7721-: ferron test, GB/T l8179--2000 metal covering
Layer porosity test: moist sulphur (vulcanization) test.
Detailed description of the invention
Fig. 1 is a kind of cooking pot tool structural schematic diagram of the present invention；
Fig. 2 is a kind of the bottom of a pan wall partial enlargement diagram of cooking pot tool of the present invention.
In attached drawing, parts list represented by the reference numerals are as follows:
1, stainless steel pot body, 2, magnetic conduction coating, 3, antirust wearing layer, 11, bottom wall.
Specific embodiment
The principle and features of the present invention will be described below with reference to the accompanying drawings, and the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the invention.
As shown in Figure 1, cooking pot tool, including stainless steel pot body 1, magnetic conduction coating 2 and antirust wearing layer 3, magnetic conduction coating 2
In on the bottom wall 11 of the stainless steel pot body 1, having hole thereon, the porosity of hole is 10% to 15% in magnetic conduction coating 2；
Antirust wearing layer 3 is attached on magnetic conduction coating 2.The structure cooking pot tool can achieve the effect that noise is effectively reduced, some
In specific example, the porosity in antirust wearing layer 3 is less than 5%, to improve the corrosion resistance of cooking pot tool.
In other specific embodiments, the magnetic conduction coating 2 is with a thickness of 50 to 500 μm；It is described in some specific examples
Magnetic conduction coating 2 is with a thickness of 200 to 400 μm；The antirust wearing layer 3 is 30 to 50 μm.
For the present invention in a specific example, the bottom wall 11 of the stainless steel pot body 1 is 430 stainless steels, and the magnetic conduction applies
Layer 2 is ferromagnetism coating；The antirust wearing layer 3 is 304 stainless steel coatings.Due to rough porous ferromagnetism coating easily with
The solution of water, acid or alkali reacts and causes coating surface to corrode and generate iron rust, coating shedding then occurs or function is lost
Effect, therefore the thickness of antirust wearing layer and compactness play a crucial role it.
The specific method that following embodiment of the present invention tests average sound power value (i.e. noise test) is: using when test
The electromagnetic oven of RT2148 beauty, 2L to boil water, pot top add glass cover, 30 to 90 DEG C of test temperature section to boil water, the heating to boil water of electromagnetism rate
Power is 2100W, tests audio range 20 to 17kHz, each test experiments 5 times are averaged.
In the embodiment of the present invention, the porosity of magnetic conduction coating and antirust wearing layer be can be through patch filter paper method measurement, tool
Body is that the wetting filter paper for being soaked with test solution is affixed on pretreated tested sample surface, and the corresponding test solution on filter paper penetrates into plating
It is acted in layer hole with intermediate deposit or parent metal, generating, there is the spot of characteristic color to show on filter paper.Then with filter
The number of coloured speckle evaluates plating layer porosity on paper.
Embodiment 1
Cooking pot tool, outside using the bottom wall of stainless steel pot body made of 430 stainless steels and the bottom wall of stainless steel pot body
End face successively sprays the 304 stainless steel rust-proof coatings that magnetic conduction coating 2 and outer layer is made as the ferromagnetism coating of middle layer and is made
Antirust wearing layer 3, magnetic conduction coating 2 is with a thickness of 200 μm, porosity 12%, and the antirust wearing layer 3 is 30 μm, this pair painting
The noise that stainless steel cookware generates during electromagnetic heating is effectively reduced in layer stainless-steel pan physical efficiency, and can guarantee that cookware surface is gathered around
There are good rustless property and abrasion resistance properties；430 stainless steel slaughterhouses of 1 cooking pot tool of embodiment and iron-free magnetisable coating and
The aluminium alloy of iron-free magnetisable coating answers the result of noise test such as following table during electromagnetic heating of the 430 stainless steel slaughterhouses at bottom
1。
The aluminium of 1. embodiment of the present invention of table, 1 cooking pot tool and 430 uncoated stainless steel slaughterhouses and iron-free magnetisable coating closes
Noise testing result during electromagnetic heating of the 430 stainless steel slaughterhouses at the multiple bottom of gold
Ferromagnetism coating and 304 stainless steels are disposed in 430 stainless steel slaughterhouse the bottom of a pan outer end faces as can be seen from Table 1
The pot body of double coatings, makes it during electromagnetic heating made of rust-proof coating, and the generation of electromagnetic heating process can be effectively reduced
Noise, improve the electromagnetic heating efficiency of cookware, moreover it is possible to reach effective rust-proofing and it is corrosion-resistant the purpose of.
Embodiment 2
A kind of spraying method of cooking pot tool of the present invention, comprising the following steps: step 1), using alcohol to be sprayed stainless
Steel cookware matrix surface is cleaned, and the greasy dirt and moisture on surface to be sprayed are removed with oxy-acetylene flame stream, then to be sprayed
Surface carries out blasting treatment, and the roughness for obtaining matrix surface is about Ra60 μm；Step 2) is using oxy-acetylene flame stream to be sprayed
Surface is preheated, and preheating temperature is 100 DEG C, preheats 2min, prepares ferromagnetism coating using arc spray process in pot bottom,
Sprayed on material is the low-carbon alloy steel wire material of Φ 3mm, and the ferromagnetism coating layer thickness of acquisition is 200 μm, porosity 10%.Electric arc
The main technologic parameters of spraying are as follows:
Step 3) prepares stainless steel alloy coating, sprayed on material Φ using electric arc spraying in ferromagnetism coating surface again
The 304 stainless steel silk materials of 3mm obtain 30 μm of antirust wearing layer thickness, electric arc spraying process parameter are as follows:
Step 4) carries out grinding and buffing processing to the antirust wearing layer of outer layer, and acquisition porosity is 10% iron magnetic conduction coating
With the double structure coating cookware of antirust wearing layer made of 304 stainless steels.
The cooking pot tool prepared by electromagnetic heating embodiment 2, by the above-mentioned cooking pot tool of electromagnetic heating, using electromagnetism
Furnace 2L to boil water to the cooking pot tool, pot top add glass cover, 30 to 90 DEG C of test temperature section to boil water, electromagnetism rate heating power to boil water
For 2100W, audio range 20 is tested to 17kHz, each test experiments 5 times seek noise testing result average value: average acoustical power
Value 58.6 (dB), the 430 stainless steel slaughterhouses that the aluminium alloy of opposite iron-free magnetisable coating answers bottom reduce 8.01dB.
Embodiment 3
A kind of spraying method of cooking pot tool of the present invention, comprising the following steps: step 1), using alcohol to be sprayed stainless
Steel cookware matrix surface is cleaned, and the greasy dirt and moisture on surface to be sprayed are removed with oxy-acetylene flame stream, then to be sprayed
Surface carries out blasting treatment, and the roughness for obtaining matrix surface is about Ra80 μm；Step 2) is using oxy-acetylene flame stream to be sprayed
Surface is preheated, and preheating temperature is 150 DEG C, preheats 3min, prepares ferromagnetism coating using arc spray process in pot bottom,
Sprayed on material is the FeSi of Φ 3mm3Alloy wire, the ferromagnetism coating layer thickness of acquisition are 400 μm, porosity 15%.Electric arc
The main technologic parameters of spraying are as follows:
Step 3) prepares stainless steel alloy coating, sprayed on material Φ using electric arc spraying in ferromagnetism coating surface again
The 304 stainless steel silk materials of 3mm obtain 50 μm of antirust wearing layer thickness, electric arc spraying process parameter are as follows:
Step 4) carries out grinding and buffing processing to the antirust wearing layer of outer layer, obtains iron magnetic conduction coating and 304 stainless steels
The double structure coating cookware of manufactured antirust wearing layer.
The cooking pot tool prepared by electromagnetic heating embodiment 3, using electromagnetic oven 2L to boil water to the cooking pot tool, pot top adds
Glass cover, 30 to 90 DEG C of test temperature section to boil water, electromagnetism rate heating power to boil water be 2100W, test audio range 20 to
17kHz, each test experiments 5 times seek noise testing result average value: average sound power value 56.61 (dB), with respect to no ferromagnetism
The 430 stainless steel slaughterhouses that the aluminium alloy of coating answers bottom reduce 10.00dB.
Embodiment 4
A kind of spraying method of cooking pot tool of the present invention, comprising the following steps: step 1), using acetone to be sprayed stainless
Steel cookware matrix surface is cleaned, and the greasy dirt and moisture on surface to be sprayed are removed with oxy-acetylene flame stream, then to be sprayed
Surface carries out blasting treatment, and the roughness for obtaining matrix surface is about Ra80 μm；Step 2) is using oxy-acetylene flame stream to be sprayed
Surface is preheated, and preheating temperature is 120 DEG C, preheats 3min, prepares ferromagnetism coating using arc spray process in pot bottom,
Sprayed on material is the ferrite stainless steel material of Φ 3mm, and the ferromagnetism coating layer thickness of acquisition is 300 μm, porosity 14%；Electricity
The main technologic parameters of arc spraying are as follows:
Step 3) prepares stainless steel alloy coating, sprayed on material Φ using electric arc spraying in ferromagnetism coating surface again
The 304 stainless steel silk materials of 3mm obtain 40 μm of antirust wearing layer thickness, electric arc spraying process parameter are as follows:
Step 4) carries out grinding and buffing processing to the antirust wearing layer of outer layer, obtains iron magnetic conduction coating and 304 stainless steels
The double structure coating cookware of manufactured antirust wearing layer.
The cooking pot tool prepared by electromagnetic heating embodiment 3, using electromagnetic oven 2L to boil water to the cooking pot tool, pot top adds
Glass cover, 30 to 90 DEG C of test temperature section to boil water, electromagnetism rate heating power to boil water be 2100W, test audio range 20 to
17kHz, each test experiments 5 times seek noise testing result average value: average sound power value 56.81 (dB), with respect to no ferromagnetism
The 430 stainless steel slaughterhouses that the aluminium alloy of coating answers bottom reduce 9.8dB, and antirust wearing layer made of 304 stainless steels is protected to effective
The long-term non-corrosive of break iron magnetisable coating.
Implement comparative example 1
A kind of spraying method of cooking pot tool of the present invention, comprising the following steps: step 1), using alcohol to be sprayed stainless
Steel cookware matrix surface is cleaned, and the greasy dirt and moisture on surface to be sprayed are removed with oxy-acetylene flame stream, then to be sprayed
Surface carries out blasting treatment, and the roughness for obtaining matrix surface is about Ra80 μm；Step 2) is using oxy-acetylene flame stream to be sprayed
Surface is preheated, and preheating temperature is 150 DEG C, preheats 3min, prepares ferromagnetism coating using arc spray process in pot bottom,
Sprayed on material is the low-carbon alloy steel wire material of Φ 3mm, and the ferromagnetism coating layer thickness of acquisition is 400 μm, porosity 8%.Electric arc
The main technologic parameters of spraying are as follows:
Step 3) prepares stainless steel alloy coating, sprayed on material Φ using electric arc spraying in ferromagnetism coating surface again
The 304 stainless steel silk materials of 3mm obtain 30 μm of antirust wearing layer thickness, electric arc spraying process parameter are as follows:
Step 4) carries out grinding and buffing processing to the antirust wearing layer of outer layer, obtains iron magnetic conduction coating and 304 stainless steels
The double structure coating cookware of manufactured antirust wearing layer.
Spray a kind of cooking pot tool to be formed using 1 spraying method of comparative example is implemented, noise testing the result is that: average sound function
Rate value 64.01 (dB), the 430 stainless steel slaughterhouses that the opposite aluminium alloy with iron-free magnetisable coating answers bottom reduce 2.6dB, and 304 are not
Antirust wearing layer made of rust steel is to being effectively protected ferromagnetism coating rustless purpose for a long time.
The present invention, which implements comparative example, to obtain iron due to the different of the main technologic parameters of ferromagnetism coating electric arc spraying
Magnetisable coating porosity is only 8%, and noise reduction effect is slightly lower relative to embodiment 2 to 4.
In the description of the present invention, it is to be understood that, term "inner", "outside", etc. the orientation or positional relationships of instructions be
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, therefore should not be understood as
Limitation of the present invention.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiment or examples.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
In the present invention, embodiment only has chosen specific design parameter and illustrates the structure and method and can obtain
Effect.For the ordinary skill in the art, can the particular content according to disclosed in specification understand the method for the present invention
In design parameter range.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (14)
1. a kind of cooking pot tool, which is characterized in that including stainless steel pot body, magnetic conduction coating and antirust wearing layer, the magnetic conduction is applied
Layer is at least attached on the bottom wall of the stainless steel pot body, and the porosity of the magnetic conduction coating porosity is 10% to 15%；It is described
Antirust wearing layer is attached on the magnetic conduction coating.
2. cooking pot tool according to claim 1, which is characterized in that the magnetic conduction coating be martensitic stain less steel coating,
Ferrite stainless steel coating, mild steel or ferrosilicon coating.
3. cooking pot tool according to claim 2, which is characterized in that the magnetic conduction coating layer thickness is 50 μm to 500 μm.
4. cooking pot tool according to any one of claims 1 to 3, which is characterized in that the antirust wearing layer be 30 μm extremely
50μm。
5. cooking pot tool according to claim 4, which is characterized in that the antirust wearing layer is for aluminium alloy covered or not
Become rusty steel coating.
6. cooking pot tool according to claim 4, which is characterized in that the outer surface roughness range of the antirust wearing layer
It is 1 μm to 3 μm.
7. cooking pot tool according to claim 4, which is characterized in that the porosity of hole is less than in the antirust wearing layer
5%.
8. a kind of manufacturing method of the described in any item cooking pot tools of claim 1 to 7, which comprises the following steps:
Step 1) cleans the bottom wall of stainless steel pot body, carries out blasting treatment to area to be sprayed；
Step 2) preheats area to be sprayed, the magnetic conduction coating of melting is attached in a manner of metallurgy spraying it is described not
On the bottom wall for steel pot body of becoming rusty, to form the magnetic conduction coating with 10% to 15% porosity；
Step 3) sprays antirust wearing layer on the outside of the magnetic conduction coating, or by antirust wear-resistant material with mechanical bond with metallurgy
Mode be incorporated on the outside of the magnetic conduction coating and form antirust wearing layer.
9. the manufacturing method of cooking pot tool according to claim 8, which is characterized in that step 2) and the step 3) metallurgy
Spraying is all made of arc spray process and is sprayed.
10. the manufacturing method of cooking pot tool according to claim 9, which is characterized in that described to be sprayed in step 1)
It includes: to be carried out at sandblasting using area to be sprayed of the sand-blasting machine to the bottom wall surface of stainless steel pot body that region, which carries out blasting treatment,
Reason, so that the roughness of area to be sprayed is 60 μm to 80 μm.
11. the manufacturing method of cooking pot tool according to claim 8, which is characterized in that in step 2), to area to be sprayed
It carries out preheating to specifically include: the bottom wall of stainless steel pot body surface to be sprayed be heated to 100 DEG C extremely with oxy-acetylene flame
150℃。
12. the manufacturing method of cooking pot tool according to any one of claims 8 to 11, which is characterized in that further include step
4) sanding and polishing, is carried out to the antirust wearing layer, the surface roughness after sanding and polishing is 1 μm to 3 μm.
13. according to the manufacturing method of the described in any item cooking pot tools of claim 9 to 11, which is characterized in that step 2) formation
The technological parameter of the electric arc spraying of magnetic conduction coating are as follows: spray voltage is 32V to 34V；Spraying current is 160A to 180A；Compression is empty
It is 70 ° to 85 ° that atmospheric pressure, which is 0.6Mpa to 0.7Mpa spray angle range, and spray distance range is 300mm to 500mm.
14. the manufacturing method of cooking pot tool according to claim 13, which is characterized in that step 3) forms antirust wearing layer
The technological parameter of electric arc spraying be spray voltage be 34V to 36V；Spraying current is 180A to 200A；Air pressure is
0.7Mpa to 0.8MPa, spray angle range are 87 ° to 90 °, and spray distance range is 250mm to 400mm.
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| CN111772462B (en) * | 2019-04-04 | 2022-02-25 | 佛山市顺德区美的电热电器制造有限公司 | Pot and manufacturing method thereof |
| CN113116118B (en) * | 2019-12-31 | 2022-12-02 | 佛山市顺德区美的电热电器制造有限公司 | Container and cooking utensil |
| CN114794841A (en) * | 2021-12-28 | 2022-07-29 | 浙江绍兴苏泊尔生活电器有限公司 | Composite layer for pot, preparation method of composite layer, pot and cooking utensil |
| CN115156003A (en) * | 2022-06-29 | 2022-10-11 | 武汉苏泊尔炊具有限公司 | Method for manufacturing magnetic conduction layer by utilizing magnetic conduction material |
| CN115029617B (en) * | 2022-06-29 | 2023-04-07 | 武汉苏泊尔炊具有限公司 | Magnetic conductive material, preparation method thereof and cooker comprising magnetic conductive material |
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| CN101348911A (en) * | 2008-09-02 | 2009-01-21 | 尹春久 | Wearing layer inlay coating sintering process |
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