CN108078362A - The preparation method of cookware, cooking apparatus and cookware - Google Patents

The preparation method of cookware, cooking apparatus and cookware Download PDF

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Publication number
CN108078362A
CN108078362A CN201611046545.1A CN201611046545A CN108078362A CN 108078362 A CN108078362 A CN 108078362A CN 201611046545 A CN201611046545 A CN 201611046545A CN 108078362 A CN108078362 A CN 108078362A
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CN
China
Prior art keywords
cookware
matrix
cookware matrix
internal face
wall surface
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201611046545.1A
Other languages
Chinese (zh)
Inventor
李兴航
曹达华
李康
杨玲
李洪伟
李宁
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Midea Group Co Ltd
Foshan Shunde Midea Electrical Heating Appliances Manufacturing Co Ltd
Original Assignee
Midea Group Co Ltd
Foshan Shunde Midea Electrical Heating Appliances Manufacturing Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Midea Group Co Ltd, Foshan Shunde Midea Electrical Heating Appliances Manufacturing Co Ltd filed Critical Midea Group Co Ltd
Priority to CN201611046545.1A priority Critical patent/CN108078362A/en
Publication of CN108078362A publication Critical patent/CN108078362A/en
Pending legal-status Critical Current

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Classifications

    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47JKITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J27/00Cooking-vessels
    • A47J27/002Construction of cooking-vessels; Methods or processes of manufacturing specially adapted for cooking-vessels
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47JKITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J27/00Cooking-vessels
    • A47J27/004Cooking-vessels with integral electrical heating means
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47JKITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J27/00Cooking-vessels
    • A47J27/08Pressure-cookers; Lids or locking devices specially adapted therefor
    • A47J27/086Pressure-cookers; Lids or locking devices specially adapted therefor with built-in heating means
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47JKITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J36/00Parts, details or accessories of cooking-vessels
    • A47J36/02Selection of specific materials, e.g. heavy bottoms with copper inlay or with insulating inlay
    • A47J36/025Vessels with non-stick features, e.g. coatings
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47JKITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J36/00Parts, details or accessories of cooking-vessels
    • A47J36/02Selection of specific materials, e.g. heavy bottoms with copper inlay or with insulating inlay
    • A47J36/04Selection of specific materials, e.g. heavy bottoms with copper inlay or with insulating inlay the materials being non-metallic

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Manufacturing & Machinery (AREA)
  • Cookers (AREA)

Abstract

The present invention provides the preparation method of a kind of cookware, cooking apparatus and cookware, wherein, which includes:Using cookware matrix made of ingot iron;Non-sticking lining is arranged on the internal face of the cookware matrix;Nitration case is arranged in the outside wall surface of the cookware matrix;Wherein, the cookware matrix is passed through to being stamped and formed out using substrate made of the ingot iron.By the technical solution, the features such as not only reducing the production cost of the cookware, simplify the process step of cookware making, also effectively increase magnetic conductivity, hardness, wearability and the non-stick of cookware, so as to improve the service life of cookware.

Description

The preparation method of cookware, cooking apparatus and cookware
Technical field
The present invention relates to household electrical appliance technical fields, more specifically, are related to the system of a kind of cookware, cooking apparatus and cookware Preparation Method.
Background technology
Cookware species is various in the market, in terms of differentiation is mainly reflected in material, and the materials cookware such as aluminium alloy, stainless steel Because the features such as technology maturation, easy processing has been widely used, but there is also many shortcomings, if stainless steel is expensive, lead Magnetic property is poor, Al-alloy products are without magnetic conductivity, can be only applied in the rice cooker of low side chassis mode of heating, in addition, aluminum products Human body may be caused some diseases etc. by being contacted for a long time with food.And iron is good magnetic conductive material, and Chinese have The custom that long-time service iron pan is cooked, ferro element can generate human body many advantageous effects, for example iron pan can mend iron, enhance people Body hematopoietic potential improves immunity, boosts metabolism.As a result, using ironwork manufacture cookware just become one have very much before The developing direction of scape.
There is the grill pan using ironwork manufacture to have currently on the market, mainly electromagnetic heating technique can be used in purpose, separately Ironwork cookware is beneficial to human body, to replace aluminum products cookware common in the market.But it mainly has two classes:One kind is using normal The cast iron of rule is base material, then carries out other processing such as spraying.Because the casting process complex process of cast iron and the modeling of cast iron The problems such as toughness is very poor, and ductility is not strong, easy cracked failure.Second be on aluminium, other base materials, using thermal spraying, The technologies such as plating prepare iron coating, and this scheme cost is higher, and complex process, and yields is low, and general coating is relatively thin, makes pot The magnetic property of tool is weaker.In addition, the magnetic conduction coating of spraying also needs to add erosion resistant coating again, otherwise coating can corrode and fail, so Also just it has been further added by the process of product.
The content of the invention
It is contemplated that at least solve one of technical problem in the prior art.
For this purpose, one aspect of the present invention is designed to provide a kind of cookware.
Another aspect of the present invention is designed to provide a kind of cooking apparatus for including above-mentioned cookware.
Another aspect of the invention is designed to provide a kind of preparation method for the cookware for being used to prepare above-mentioned cookware.
To achieve the above object, the embodiment of the first aspect of the invention provides a kind of cookware, including:Using industry Cookware matrix made of pure iron;Non-sticking lining is arranged on the internal face of the cookware matrix;Nitration case is arranged on the pot In the outside wall surface for having matrix;Wherein, the cookware matrix passes through to carrying out punching press shape using substrate made of the ingot iron Into.
The cookware that the above embodiment of the present invention provides, the cookware matrix be by using substrate made of ingot iron into Row is stamped and formed out, and the inside and outside wall surface of the cookware matrix is correspondingly arranged on non-sticking lining, nitration case.By the technical solution, Not only reduce the production cost of the cookware, simplify cookware making process step, also effectively increase cookware magnetic conductivity, The features such as hardness, wearability and non-stick, so as to improve the service life of cookware.Specifically, since ingot iron has height Magnetic conductivity and magnetic induction intensity, therefore, the cookware prepared using the ingot iron then have very high magnetic conductivity, so that should All it is far above other irony cookwares with the heating power of the cooking apparatus using electromagnetic heating technique of the cookware, and due to work Industry pure iron is cheap, the good easy processing of plasticity, therefore, can effectively reduce the production cost of cookware and reduce the processing of cookware Difficulty, and ferro element can also generate very institute's beneficial effect, such as can mend iron to human body.Wherein, by cookware base The internal face of body sets non-sticking lining so that the cookware has the characteristics that good non-stick, improves user experience.Its In, nitration case is set by the outside wall surface cookware in cookware matrix, cookware matrix surface can be effectively improved.
In addition, the cookware that the above embodiment of the present invention provides also has following additional technical feature:
In the above-mentioned technical solutions, it is preferable that the thickness of the cookware matrix is in the range of 5mm~7mm.
In the technical scheme, by the thickness control of cookware matrix in the range of 5mm~7mm, that is, it can guarantee cookware base Body have high magnetic property and good heat insulation function, and be avoided that cookware matrix thickness it is excessive cause cookware into Originally it is raised to happen, it is effectively saved cost.
In any of the above-described technical solution, it is preferable that the non-sticking lining is ceramic non-stick coating, and the ceramic non-stick applies The thickness of layer is in the range of 25 μm~35 μm.
In the technical scheme, the internal face in pure iron cookware matrix (using cookware matrix made of ingot iron) is passed through Ceramic non-stick coating is set, not only so that the cookware matrix is provided with good non-stick, but also also solves pure iron cookware base Body hardness is relatively low, it is perishable the problem of, improve the corrosion resistance of cookware matrix so that cookware service life increases substantially, And it also avoids food to be cooked to contact directly with pure iron cookware matrix, influences happening for cooking food mouthfeel, improve User experience.Wherein, the thickness control of ceramic non-stick coating can not only be avoided in the range of 25 μm to 35 μm There is and improves ceramic non-stick in the poor situation of combination that thickness is too small to be caused between ceramic non-stick coating and cookware matrix The service life of coating;And being avoided that ceramic non-stick coating layer thickness is excessive again causes external adhesive force poor and cookware cost The problem of rise.
What deserves to be explained is the ceramic non-stick coating is the internal face by the way that aqueous ceramic coating to be sprayed on to cookware matrix Upper formation, wherein, the main chemical compositions of the aqueous ceramic coating are Si (silicon), O (oxygen), Al (aluminium), C (carbon) etc., are added in Different fillers has the substances such as Fe (iron), Ti (titanium), and by dissolving gel, hydrolysis at low temperature cures, and forms similar ceramics With the paint film of glass, which fundamentally solves pollution of the solvent to environment, nothing in coating using water as medium The problems such as VOC (volatile organic compounds, volatile organic compounds) monomer endangers, and with high temperature resistant, High rigidity, it is environment-protecting and non-poisonous, application is easy many advantages, such as, particularly, the aqueous ceramic coating have good non-stick, and The hardness of coating is up to 4H to 9H made of the aqueous ceramic coating, far above general teflon non-stick coating, by Using the internal face of cookware matrix made of ingot iron spray the aqueous ceramic coating not only solve cookware matrix India compared with The problem of low, perishable, and the cookware matrix is caused to be provided with good non-stick.
In any of the above-described technical solution, it is preferable that the ceramic non-stick coating includes base oil layer knead dough oil reservoir, the bottom Oil reservoir is sprayed on the internal face of the cookware matrix, and the face oil reservoir is sprayed on the base oil layer.
In the technical scheme, it is necessary to be sprayed twice, spraying for the first time during ceramic non-stick coating is prepared It is the surface formation base oil layer that aqueous ceramic coating is sprayed on to cookware matrix, second of spraying is to spray aqueous ceramic coating The forming face oil reservoir on base oil layer, wherein, base oil layer knead dough oil reservoir is formed on the surface of cookware matrix successively by spraying twice, So that ceramic non-stick coating combined with cookware matrix more securely, improve the knot between ceramic non-stick coating and cookware matrix With joint efforts.
What deserves to be explained is after first time sprays, the cookware matrix for being formed with base oil layer is first placed in temperature as 30 DEG C~50 DEG C of baking channel in toast 5min~10min after, then carry out second of spraying, can not only so eliminate base oil layer Internal stress, base oil layer is avoided the situation in crack occur, but also the combination power of base oil layer and face oil reservoir can be improved, wherein, After being sprayed second, it is necessary to by be formed with face oil into cookware matrix be placed in the sintered channels that temperature is 260 DEG C~280 DEG C Sintering 15min~25min can form ceramic non-stick coating, it should be noted that, it is necessary to will first be formed with before being sintered Face oil into cookware matrix to be placed in temperature be that 8min~10min is kept the temperature in 70 DEG C~100 DEG C of heat preservation channel, then burnt in heating Knot, can so eliminate the internal stress of face oil reservoir, the situation in crack occurs in the face oil reservoir of avoiding, and can also improve face oil reservoir Bond strength and the service life for improving face oil reservoir.
In the above-mentioned technical solutions, it is preferable that the thickness of the base oil layer is in the range of 15 μm~20 μm, the face oil The thickness of layer is in the range of 10 μm~15 μm.
In the technical scheme, the thickness control of base oil layer can not only be avoided into thickness in the range of 15 μm~20 μm The poor situation of the small combination caused between ceramic non-stick coating and cookware matrix is spent to occur;And base oil thickness is avoided that again Spend big the problem of causing face oil reservoir adhesive force poor.Similarly, by the thickness control of face oil reservoir in the range of 10 μm~15 μm, The situation that the too small combination that causes between face oil reservoir and base oil layer of thickness can not only be avoided poor occurs;And face is avoided that again The problem of core intersection is excessive to cause external (part away from base oil layer) adhesive force poor.
In any of the above-described technical solution, it is preferable that the nitration case is formed in the cookware by gas nitriding technology In the outside wall surface of matrix.
In the above-mentioned technical solutions, it is preferable that the thickness of the nitration case is in the range of 200 μm to 500 μm.
In the technical scheme, by gas nitriding technology can the outside wall surface of cookware matrix formed nitration case, while to Diffusion in the wall of cookware matrix so that this by ingot iron cookware of Nitrizing Treatment have good wearability, fatigue durability, Corrosion resistance and heat-resisting quantity etc.;Specifically, gas nitriding is carried out to the outer surface of cookware matrix, nitriding temperature is maintained at 500 DEG C~700 DEG C, soaking time is 2.5h~3.5h, and ammonia dissociation rate is 50%~70% so that the appearance of cookware matrix after nitriding Face forms the high nitration case of chemical stability.Wherein, the thickness of the nitration case is in the range of 200 μm to 500 μm, by nitration case Thickness in the range of 200 μm to 500 μm, the too small situation for causing anti-corrosion effects difference of thickness can not only be avoided to occur, And nitride thickness excessive the problem of processing difficulties and cookware cost is caused to raise is avoided that again.
In any of the above-described technical solution, it is preferable that the non-sticking lining is sprayed on institute by air pressure spraying process On the internal face for stating cookware matrix.
In the technical scheme, non-adhesive material is sprayed on the internal face of cookware matrix by air pressure spraying process Non-sticking lining is formed, specifically, using the air-flow of compressed air, spray tip hole is flowed through and forms negative pressure, negative pressure makes non-adhesive material It is sucked from suction pipe, sprays and be atomized through nozzle, the non-adhesive material after atomization is ejected on the internal face of cookware matrix and is formed uniformly Non-sticking lining, wherein it is preferred to, the spray parameters of air pressure spraying process include:Nozzle diameter is 0.5 millimeter~1.8 millis Rice, air pressure are 0.3Mpa~0.5Mpa, and it is 25cm~35cm to spray away from (distance of spray gun and the inner surface of cookware matrix), is sprayed It is 60 °~90 ° to apply angle, is sprayed by the parameter so that forms non-sticking lining more on the internal face of the cookware matrix Add uniformly, and the non-sticking lining is combined more secured with the internal face of cookware matrix, avoids non-sticking lining out of cookware matrix Wall surface comes off, and improves the service life of non-sticking lining.
The embodiment of second aspect of the present invention provides a kind of cooking apparatus, including:As appointed in above-mentioned first aspect embodiment Cookware described in one.
Cooking apparatus according to an embodiment of the invention has the cookware described in any of the above embodiment, therefore, the present invention Cooking apparatus have any of the above embodiment cookware all advantageous effects, do not repeat one by one herein.
In the above-mentioned technical solutions, it is preferable that the cooking apparatus is the electric cooker or electric pressure cooking saucepan using electromagnetic heating.
The embodiment of third aspect present invention provides a kind of preparation method of cookware, is used to prepare above-mentioned first aspect and implements Cookware any one of example, the preparation method of the cookware include:To carrying out punching press using substrate made of ingot iron, To form cookware matrix;Non-viscous paint is sprayed on the internal face of the cookware matrix and forms non-sticking lining;To the cookware The outside wall surface of matrix carries out Nitrizing Treatment, to form nitration case in the outside wall surface of the cookware matrix.
The preparation method for the cookware that the above embodiment of the present invention provides, by being carried out using substrate made of ingot iron Cookware matrix is stamped and formed out, and the inside and outside wall surface of the cookware matrix is correspondingly arranged on non-sticking lining, nitration case.Pass through the skill Art scheme not only reduces the production cost of the cookware, simplifies the process step of cookware making, also effectively increases cookware The features such as magnetic conductivity, hardness, wearability and non-stick, so as to improve the service life of cookware.Specifically, due to ingot iron With high magnetic permeability and magnetic induction intensity, therefore, the cookware prepared using the ingot iron then has very high magnetic conductivity, from And make the heating power using the cooking apparatus using electromagnetic heating technique of the cookware all far above other irony cookwares, and Since ingot iron is cheap, the good easy processing of plasticity, it can effectively reduce the production cost of cookware and reduce cookware Difficulty of processing, and ferro element can also to human body generate very beneficial effect, such as iron can be mended.Wherein, by pot The internal face for having matrix sets non-sticking lining so that the cookware has the characteristics that good non-stick, improves user experience. Wherein, nitration case is set by the outside wall surface cookware in cookware matrix, cookware matrix surface can be effectively improved.
In the above-mentioned technical solutions, it is preferable that spray non-viscous paint and to institute in the internal face to the cookware matrix Before the outside wall surface progress Nitrizing Treatment for stating cookware matrix, internal face and outside wall surface to the cookware matrix are carried out at sandblasting Reason.
In the technical scheme, the internal face and outside wall surface of cookware matrix are carried out at sandblasting by using automatic sand-blasting machine Reason can not only remove the internal face of cookware matrix and the oxide-film of outside wall surface and form pressure in the pars intramuralis of cookware matrix Stress, but also can make to form rough structure on the internal face and outside wall surface of cookware matrix, can so it increase not Contact area between the outside wall surface of the internal face of adhesive coating layer and cookware matrix, nitration case and cookware matrix, and then increase and do not glue Combination power between coating, nitration case and cookware matrix, so as to reduce further the probability that non-sticking lining and nitration case come off; Preferably, after blasting treatment, the subtle sand that is adhered to the internal face of the cookware matrix after blasting treatment and outside wall surface using air-flow Gravel is blown clean, and ensures the internal face of cookware matrix and the cleaning of outside wall surface, in order to the attachment of non-sticking lining and nitration case.
Preferably, after blasting treatment, the internal face of cookware matrix and the roughness of outside wall surface are 60 μm~80 μm, so not It can only avoid roughness too small and weaken the combination power between non-sticking lining and nitration case and cookware matrix;And it can avoid Roughness is excessive to cause what cookware matrix strength seriously reduced to happen.
In the above-mentioned technical solutions, it is preferable that before blasting treatment, internal face and outside wall surface to the cookware matrix into The processing of row degreasing degreasing.
In the technical scheme, before blasting treatment, internal face and outside wall surface to cookware matrix are carried out at degreasing degreasing Reason removes the impurity such as internal face and the greasy dirt of outside wall surface, improves the cleannes of internal face.
In the above-mentioned technical solutions, it is preferable that spray non-viscous paint and to institute in the internal face to the cookware matrix State cookware matrix outside wall surface carry out Nitrizing Treatment before and after blasting treatment, further include:The cookware matrix is carried out The pre-heat treatment, wherein, the treatment temperature of the pre-heat treatment is 40 DEG C~70 DEG C, and handling duration is 1min~4min.
What deserves to be explained is carrying out the pre-heat treatment to the internal face of cookware matrix, it can not only reduce and prepare not snearing The thermal stress generated in layer and nitration case improves non-sticking lining and the combination power of nitration case and cookware matrix, but also can rise To cleaning action, specifically so that water vapour that may be present, organic matter etc. are disposed on cookware matrix.
Certainly, it will be understood by those of skill in the art that the roughness of cookware matrix after blasting treatment, cookware matrix it is pre- Hot temperature, preheating duration are not limited to above-mentioned occurrence, can be adjusted as needed in the actual production process.
In any of the above-described technical solution, it is preferable that be sprayed on non-viscous paint by air pressure spraying process described Non-sticking lining is formed on the internal face of cookware matrix, the spray parameters of the air pressure spraying process include:Nozzle diameter is 0.5 millimeter~1.8 millimeters, air pressure is 0.3Mpa~0.5Mpa, is sprayed away from for 25cm~35cm, spray angle for 60 °~ 90°。
In the technical scheme, non-adhesive material is sprayed on the internal face of cookware matrix by air pressure spraying process Non-sticking lining is formed, specifically, using the air-flow of compressed air, spray tip hole is flowed through and forms negative pressure, negative pressure makes non-adhesive material It is sucked from suction pipe, sprays and be atomized through nozzle, the non-adhesive material after atomization is ejected on the internal face of cookware matrix and is formed uniformly Non-sticking lining, wherein it is preferred to, the spray parameters of air pressure spraying process include:Nozzle diameter is 0.5 millimeter~1.8 millis Rice, air pressure are 0.3Mpa~0.5Mpa, and it is 25cm~35cm to spray away from (distance of spray gun and the inner surface of cookware matrix), is sprayed It is 60 °~90 ° to apply angle, is sprayed by the parameter so that forms non-sticking lining more on the internal face of the cookware matrix Add uniformly, and the non-sticking lining is combined more secured with the internal face of cookware matrix, avoids non-sticking lining out of cookware matrix Wall surface comes off, and improves the service life of non-sticking lining.
In the above-mentioned technical solutions, it is preferable that the spraying carries out at twice, is sprayed non-viscous paint by first time spraying It is coated on the internal face of the cookware matrix and forms base oil, non-viscous paint is sprayed on by shape in the base oil by second of spraying Into face oil;Wherein, the non-viscous paint is aqueous ceramic coating, and the non-sticking lining is ceramic non-stick coating, and the ceramics are not Adhesive coating layer includes the base oil and face oil.
In the technical scheme, it is necessary to be sprayed twice, spraying for the first time during ceramic non-stick coating is prepared It is the surface formation base oil layer that aqueous ceramic coating is sprayed on to cookware matrix, second of spraying is to spray aqueous ceramic coating The forming face oil reservoir on base oil layer, wherein, base oil layer knead dough oil reservoir is formed on the surface of cookware matrix successively by spraying twice, So that ceramic non-stick coating combined with cookware matrix more securely, improve the knot between ceramic non-stick coating and cookware matrix With joint efforts.
In the above-mentioned technical solutions, it is preferable that after first time sprays, before second sprays, the cookware matrix is put 5min~10min is toasted in the baking channel for being 30 DEG C~50 DEG C in temperature;After second sprays, the cookware matrix is put 15min~25min is sintered in the sintered channels for being 260 DEG C~280 DEG C in temperature, is formed with the internal face in the cookware matrix The ceramic non-stick coating.
In the above-mentioned technical solutions, it is preferable that after second sprays, before sintering, the cookware matrix is placed in temperature To keep the temperature 8min~10min in 70 DEG C~100 DEG C of heat preservation channels.
In the technical scheme, after first time sprays, the cookware matrix for being formed with base oil layer first is placed in temperature is After toasting 5min~10min in 30 DEG C~50 DEG C of baking channel, then second of spraying is carried out, can not only so eliminate base oil The internal stress of layer, avoids base oil layer from the situation in crack occur, but also can improve the combination power of base oil layer and face oil reservoir, In, after being sprayed second, it is necessary to by be formed with face oil into cookware matrix be placed in the sintering that temperature is 260 DEG C~280 DEG C and lead to 15min~25min is sintered in road can form ceramic non-stick coating, it should be noted that before being sintered, it is necessary to first by shape Into have face oil into cookware matrix to be placed in temperature be that 8min~10min is kept the temperature in 70 DEG C~100 DEG C of heat preservation channel, then rising Temperature sintering can so eliminate the internal stress of face oil reservoir, and the situation in crack occurs in the face oil reservoir of avoiding, and can also improve face oil The bond strength of layer and the service life for improving face oil reservoir.
In any of the above-described technical solution, it is preferable that by gas nitriding technology in the outside wall surface of the cookware matrix The nitration case is formed, the parameter of the gas nitriding technology includes:Temperature be 500 DEG C~700 DEG C, the time for 2.5h~ 3.5h, ammonia dissociation rate are 50%~70%.
In the technical scheme, by gas nitriding technology can the outside wall surface of cookware matrix formed nitration case, while to Diffusion in the wall of cookware matrix so that this by ingot iron cookware of Nitrizing Treatment have good wearability, fatigue durability, Corrosion resistance and heat-resisting quantity etc.;Specifically, gas nitriding is carried out to the outer surface of cookware matrix, nitriding temperature is maintained at 500 DEG C~700 DEG C, soaking time is 2.5h~3.5h, and ammonia dissociation rate is 50%~70% so that the appearance of cookware matrix after nitriding Face forms the high nitration case of chemical stability.Wherein, the thickness of the nitration case is in the range of 200 μm to 500 μm, by nitration case Thickness in the range of 200 μm to 500 μm, the too small situation for causing anti-corrosion effects difference of thickness can not only be avoided to occur, And nitride thickness excessive the problem of processing difficulties and cookware cost is caused to raise is avoided that again.
In any of the above-described technical solution, it is preferable that the content of iron is 99.6%~99.8% in the ingot iron.
In the technical scheme, the content of iron is 99.6%~99.8% in ingot iron, with high magnetic permeability and magnetic strength Intensity is answered, therefore, the cookware prepared using the ingot iron then has very high magnetic conductivity, so that adopting using the cookware All it is far above other cooking apparatus with the heating power of the cooking apparatus of electromagnetic heating technique.
The additional aspect and advantage of the present invention will become practice apparent or by the present invention in following description section Recognize.
Description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become in the description from combination accompanying drawings below to embodiment Substantially and it is readily appreciated that, wherein:
Fig. 1 is the schematic cross-sectional view of the cookware described in the embodiment of the present invention;
Fig. 2 is the enlarged structure schematic diagram in A portions in Fig. 1;
Fig. 3 is the flow chart of the preparation method of the cookware described in the embodiment of the present invention one;
Fig. 4 is the flow chart of the preparation method of the cookware described in the embodiment of the present invention two.
Wherein, the correspondence in Fig. 1 and Fig. 2 between reference numeral and component names is:
1 cookware, 10 cookware matrixes, 20 non-sticking linings, 202 base oil layers, 204 face oil reservoirs, 30 nitration cases.
Specific embodiment
It is to better understand the objects, features and advantages of the present invention, below in conjunction with the accompanying drawings and specific real Mode is applied the present invention is further described in detail.It should be noted that in the case where there is no conflict, the implementation of the application Feature in example and embodiment can be mutually combined.
Many details are elaborated in the following description to facilitate a thorough understanding of the present invention, still, the present invention may be used also By using other different from implementing in a manner of described here, therefore, protection scope of the present invention and from following public tool The limitation of body embodiment.
Cookware according to some embodiments of the invention and preparation method thereof is described with reference to the accompanying drawings.
As depicted in figs. 1 and 2, the embodiment of the first aspect of the invention provides a kind of cookware 1, including:Using work Cookware matrix 10 made of industry pure iron;Non-sticking lining 20 is arranged on the internal face of cookware matrix 10;Nitration case 30, is arranged on In the outside wall surface of cookware matrix 10;Wherein, cookware matrix 10 is passed through to being stamped and formed out using substrate made of ingot iron.
The cookware 1 that the above embodiment of the present invention provides, the cookware matrix 10 are by using base made of ingot iron Plate is stamped and formed out, and the inside and outside wall surface of the cookware matrix 10 is correspondingly arranged on non-sticking lining 20, nitration case 30.Pass through The technical solution not only reduces the production cost of the cookware 1, simplifies the process step of the making of cookware 1, also effectively increases The features such as magnetic conductivity of cookware 1, hardness, wearability and non-stick, so as to improve the service life of cookware 1.Specifically, due to Ingot iron has high magnetic permeability and magnetic induction intensity, and therefore, the cookware 1 prepared using the ingot iron then has very high Magnetic conductivity, so that being all far above other iron using the heating power of the cooking apparatus using electromagnetic heating technique of the cookware 1 Matter cookware 1, and since ingot iron is cheap, the good easy processing of plasticity, it can effectively reduce being produced into for cookware 1 Sheet and the difficulty of processing for reducing cookware 1, and ferro element can also generate very institute's beneficial effect, such as can mend to human body Iron.Wherein, non-sticking lining 20 is set by the internal face in cookware matrix 10 so that the cookware 1 has good non-stick spy Point, improves user experience.Wherein, nitration case 30 is set by the outside wall surface cookware 1 in cookware matrix 10, it can be effective Improve 10 surface of cookware matrix.
In addition, the cookware 1 that the above embodiment of the present invention provides also has following additional technical feature:
In the above-mentioned technical solutions, it is preferable that the thickness of cookware matrix 10 is in the range of 5mm~7mm.
In the technical scheme, the thickness control of cookware matrix 10 be can guarantee into cookware in the range of 5mm~7mm Matrix 10 has high magnetic property and good heat insulation function, and is avoided that 10 thickness of cookware matrix is excessive and causes pot The cost of tool 1 is raised to be happened, and is effectively saved cost.
In any of the above-described technical solution, it is preferable that non-sticking lining 20 be ceramic non-stick coating 20, ceramic non-stick coating 20 Thickness in the range of 25 μm~35 μm.
In the technical scheme, by the interior of pure iron cookware matrix 10 (using cookware matrix 10 made of ingot iron) Wall surface sets ceramic non-stick coating 20, not only so that the cookware matrix 10 is provided with good non-stick, but also also solves pure Iron pan tool 10 hardness of matrix is relatively low, it is perishable the problem of, improve the corrosion resistance of cookware matrix 10 so that cookware 1 uses the longevity Life increases substantially, and also avoids food to be cooked and contacted directly with pure iron cookware matrix 10, influences cooking food mouthfeel Happen, improve user experience.Wherein, by model of the thickness control of ceramic non-stick coating 20 at 25 μm to 35 μm In enclosing, the situation that the too small combination that causes between ceramic non-stick coating 20 and cookware matrix 10 of thickness can not only be avoided poor goes out Service life that is existing and improving ceramic non-stick coating 20;And it is avoided that 20 thickness of ceramic non-stick coating is excessive again and causes The problem of external adhesive force is poor and 1 cost of cookware raises.
What deserves to be explained is the ceramic non-stick coating 20 is by the way that aqueous ceramic coating is sprayed in cookware matrix 10 It is formed on wall surface, wherein, the main chemical compositions of the aqueous ceramic coating are Si (silicon), O (oxygen), Al (aluminium), C (carbon) etc., Different fillers is added in, has the substances such as Fe (iron), Ti (titanium), by dissolving gel, hydrolysis at low temperature cures, and is formed similar The paint film of ceramics and glass, the aqueous ceramic coating fundamentally solve dirt of the solvent to environment in coating using water as medium The problems such as dye, VOC free (volatile organic compounds, volatile organic compounds) monomer endangers, and with resistance to High temperature, high rigidity, it is environment-protecting and non-poisonous, application is easy many advantages, such as, particularly, which, which has, good does not glue Property, and made of the aqueous ceramic coating coating hardness up to 4H to 9H, far above general teflon non-stick coating 20, not only solve cookware by spraying the aqueous ceramic coating in the internal face using cookware matrix 10 made of ingot iron The problem of 10 India of matrix is relatively low, perishable, and the cookware matrix 10 is caused to be provided with good non-stick.
Further, ceramic non-stick coating 20 includes 202 knead dough oil reservoir 204 of base oil layer, and base oil layer 202 is sprayed on cookware base On the internal face of body 10, face oil reservoir 204 is sprayed on base oil layer 202.
In the technical scheme, it is necessary to be sprayed twice, spray for the first time during ceramic non-stick coating 20 is prepared Painting is that aqueous ceramic coating is sprayed on to the surface formation base oil layer 202 of cookware matrix 10, and second of spraying is by aqueous ceramic Coating is sprayed on forming face oil reservoir 204 on base oil layer 202, wherein, by spraying twice successively in the surface shape of cookware matrix 10 Into 202 knead dough oil reservoir 204 of base oil layer so that ceramic non-stick coating 20 is combined more secured with cookware matrix 10, improves pottery Combination power between porcelain non-sticking lining 20 and cookware matrix 10.
What deserves to be explained is after first time sprays, the cookware matrix 10 for being formed with base oil layer 202 is first placed in temperature After toasting 5min~10min in 30 DEG C~50 DEG C of baking channels, then second of spraying is carried out, can not only so eliminate bottom The internal stress of oil reservoir 202 avoids base oil layer 202 from the situation in crack occur, but also can improve base oil layer 202 and face oil reservoir 204 combination power, wherein, after being sprayed second, it is necessary to by be formed with face oil into cookware matrix 10 be placed in temperature as 260 DEG C 15min~25min is sintered in~280 DEG C of sintered channels can form ceramic non-stick coating 20, it should be noted that carry out Before sintering, it is necessary to first by be formed with face oil into cookware matrix 10 to be placed in temperature be to be kept the temperature in 70 DEG C~100 DEG C of heat preservation channel Then 8min~10min is sintered in heating, can so eliminate the internal stress of face oil reservoir 204, face oil reservoir 204 is avoided to split The situation of seam, and the bond strength of face oil reservoir 204 can also be improved and improve the service life of face oil reservoir 204.
Further, the thickness of base oil layer 202 is in the range of 15 μm~20 μm, the thickness of face oil reservoir 204 10 μm~ In the range of 15 μm.
In the technical scheme, the thickness control of base oil layer 202 can not only be avoided in the range of 15 μm~20 μm The poor situation of combination that thickness is too small to be caused between ceramic non-stick coating 20 and cookware matrix 10 occurs;And bottom is avoided that again 202 thickness of oil reservoir excessive the problem of causing oil reservoir 204 adhesive force in face poor.Similarly, by the thickness control of face oil reservoir 204 at 10 μm In the range of~15 μm, feelings that the too small combination that causes between face oil reservoir 204 and base oil layer 202 of thickness can not only be avoided poor Condition occurs;And being avoided that oil reservoir 204 thickness in face is excessive again causes external (part away from base oil layer 202) adhesive force poor Problem.
In any of the above-described technical solution, it is preferable that nitration case 30 is formed in cookware matrix 10 by gas nitriding technology Outside wall surface on.
In the above-mentioned technical solutions, it is preferable that the thickness of nitration case 30 is in the range of 200 μm to 500 μm.
In the technical scheme, nitration case 30 can be formed in the outside wall surface of cookware matrix 10 by gas nitriding technology, together When spread into the wall of cookware matrix 10 so that this has good wearability, resistance to by ingot iron cookware 1 of Nitrizing Treatment Fatigability, corrosion resistance and heat-resisting quantity etc.;Specifically, gas nitriding, nitriding temperature are carried out to the outer surface of cookware matrix 10 500 DEG C~700 DEG C are maintained at, soaking time is 2.5h~3.5h, and ammonia dissociation rate is 50%~70% so that cookware base after nitriding The outer surface of body 10 forms the high nitration case 30 of chemical stability.Wherein, the thickness of the nitration case 30 is at 200 μm to 500 μm In the range of, by the thickness of nitration case 30 in the range of 200 μm to 500 μm, can not only avoid thickness it is too small cause it is anticorrosive The situation of effect difference occurs, and being avoided that 30 thickness of nitration case is excessive again causes processing difficulties and 1 cost of cookware raised Problem.
In any of the above-described technical solution, it is preferable that non-sticking lining 20 is sprayed on cookware by air pressure spraying process On the internal face of matrix 10.
In the technical scheme, non-adhesive material is sprayed on to the internal face of cookware matrix 10 by air pressure spraying process Upper formation non-sticking lining 20 specifically, using the air-flow of compressed air, flows through spray tip hole and forms negative pressure, negative pressure makes not glue Material is sucked from suction pipe, is sprayed and is atomized through nozzle, and the non-adhesive material after atomization is ejected on the internal face of cookware matrix 10 and is formed Uniform non-sticking lining 20, wherein it is preferred to, the spray parameters of air pressure spraying process include:Nozzle diameter is 0.5 millimeter ~1.8 millimeters, air pressure is 0.3Mpa~0.5Mpa, and it is 25cm to spray away from (distance of spray gun and the inner surface of cookware matrix 10) ~35cm, spray angle are 60 °~90 °, are sprayed by the parameter so that formed not on the internal face of the cookware matrix 10 Adhesive coating layer 20 more uniformly, and the non-sticking lining 20 is combined more secured with the internal face of cookware matrix 10, avoids not snearing Layer 20 comes off from the internal face of cookware matrix 10, improves the service life of non-sticking lining 20.
The embodiment of second aspect of the present invention provides a kind of cooking apparatus (not shown), including:Such as above-mentioned first party The cookware 1 of any one of face embodiment.
Cooking apparatus according to an embodiment of the invention has the cookware 1 of any of the above embodiment, therefore, of the invention Cooking apparatus has all advantageous effects of the cookware 1 of any of the above embodiment, does not repeat one by one herein.
In the above-mentioned technical solutions, it is preferable that cooking apparatus is the electric cooker or electric pressure cooking saucepan using electromagnetic heating.
The embodiment of third aspect present invention provides a kind of preparation method of cookware, is used to prepare above-mentioned first aspect and appoints The cookware of one embodiment, with reference to the preparation method of some specific embodiments description present invention.
Embodiment one:
As shown in figure 3, the preparation method of cookware includes:
Step 302, to carrying out punching press using substrate made of ingot iron, to form cookware matrix;
Step 304, non-viscous paint is sprayed on the internal face of cookware matrix and forms non-sticking lining;
Step 306, Nitrizing Treatment is carried out to the outside wall surface of cookware matrix, is nitrogenized with being formed in the outside wall surface of cookware matrix Layer.
The preparation method for the cookware that above-described embodiment provides, by carrying out punching press shape using substrate made of ingot iron Into cookware matrix, and the inside and outside wall surface of the cookware matrix is correspondingly arranged on non-sticking lining, nitration case.By the technical solution, Not only reduce the production cost of the cookware, simplify cookware making process step, also effectively increase cookware magnetic conductivity, The features such as hardness, wearability and non-stick, so as to improve the service life of cookware.Specifically, since ingot iron has height Magnetic conductivity and magnetic induction intensity, therefore, the cookware prepared using the ingot iron then have very high magnetic conductivity, so that should All it is far above other irony cookwares with the heating power of the cooking apparatus using electromagnetic heating technique of the cookware, and due to work Industry pure iron is cheap, the good easy processing of plasticity, therefore, can effectively reduce the production cost of cookware and reduce the processing of cookware Difficulty, and ferro element can also generate very beneficial effect, such as can mend iron to human body.Wherein, by cookware matrix Internal face set non-sticking lining so that the cookware has the characteristics that good non-stick, improves user experience.Wherein, Nitration case is set by the outside wall surface cookware in cookware matrix, cookware matrix surface can be effectively improved.
What deserves to be explained is step 304 and step 306 can be carried out at the same time or step 306 is before step 304 It carries out.
Embodiment two:
As shown in figure 4, the preparation method of cookware includes:
Step 402, to carrying out punching press using substrate made of ingot iron, to form cookware matrix;
Step 404, the internal face to cookware matrix and outside wall surface carry out degreasing degreasing processing;
Step 406, the internal face to cookware matrix and outside wall surface carry out blasting treatment;
Step 408, the pre-heat treatment is carried out to cookware matrix, wherein, the treatment temperature of the pre-heat treatment is 40 DEG C~70 DEG C, place A length of 1min~4min during reason;
Step 410, non-viscous paint is sprayed on the internal face of cookware matrix and forms non-sticking lining;
Step 412, Nitrizing Treatment is carried out to the outside wall surface of cookware matrix, is nitrogenized with being formed in the outside wall surface of cookware matrix Layer.
In the technical scheme, after the advantageous effect with embodiment one, also have the advantages that:
1) degreasing degreasing processing is carried out by the internal face to cookware matrix and outside wall surface, eliminates internal face and outside wall surface The impurity such as greasy dirt, improve the cleannes of internal face;
2) blasting treatment is carried out to the internal face and outside wall surface of cookware matrix by using automatic sand-blasting machine, can not only gone Compression is formed except the internal face of cookware matrix and the oxide-film of outside wall surface and in the pars intramuralis of cookware matrix, and can also Enough make to form rough structure on the internal face and outside wall surface of cookware matrix, can so increase non-sticking lining and cookware base Contact area between the outside wall surface of the internal face of body, nitration case and cookware matrix, and then increase non-sticking lining, nitration case and pot Has the combination power between matrix, so as to reduce further the probability that non-sticking lining and nitration case come off;Preferably, blasting treatment Afterwards, the subtle grit that the internal face of the cookware matrix after blasting treatment and outside wall surface adhere to is blown clean using air-flow, ensures pot Have the internal face of matrix and the cleaning of outside wall surface, in order to the attachment of non-sticking lining and nitration case;
3) the pre-heat treatment is carried out by the internal face to cookware matrix, can not only reduces and prepare non-sticking lining and nitridation The thermal stress generated in layer improves non-sticking lining and the combination power of nitration case and cookware matrix, but also can play cleaning and make With specifically so that water vapour that may be present, organic matter etc. are disposed on cookware matrix.
Preferably, after blasting treatment, the internal face of cookware matrix and the roughness of outside wall surface are 60 μm~80 μm, so not It can only avoid roughness too small and weaken the combination power between non-sticking lining and nitration case and cookware matrix;And it can avoid Roughness is excessive to cause what cookware matrix strength seriously reduced to happen.In embodiment two, except step S402, step 410 And outside step 412, it is convenient to omit other one or more steps obtain other embodiments.
Wherein, in any of the above-described embodiment, it is preferable that non-viscous paint is sprayed on pot by air pressure spraying process Have and form non-sticking lining on the internal face of matrix, the spray parameters of air pressure spraying process include:Nozzle diameter is 0.5 millimeter ~1.8 millimeters, air pressure is 0.3Mpa~0.5Mpa, is sprayed away from for 25cm~35cm, spray angle is 60 °~90 °.
In the technical scheme, non-adhesive material is sprayed on the internal face of cookware matrix by air pressure spraying process Non-sticking lining is formed, specifically, using the air-flow of compressed air, spray tip hole is flowed through and forms negative pressure, negative pressure makes non-adhesive material It is sucked from suction pipe, sprays and be atomized through nozzle, the non-adhesive material after atomization is ejected on the internal face of cookware matrix and is formed uniformly Non-sticking lining, wherein it is preferred to, the spray parameters of air pressure spraying process include:Nozzle diameter is 0.5 millimeter~1.8 millis Rice, air pressure are 0.3Mpa~0.5Mpa, and it is 25cm~35cm to spray away from (distance of spray gun and the inner surface of cookware matrix), is sprayed It is 60 °~90 ° to apply angle, is sprayed by the parameter so that forms non-sticking lining more on the internal face of the cookware matrix Add uniformly, and the non-sticking lining is combined more secured with the internal face of cookware matrix, avoids non-sticking lining out of cookware matrix Wall surface comes off, and improves the service life of non-sticking lining.
In the above embodiment, it is preferable that spraying carries out at twice, non-viscous paint is sprayed on by pot by first time spraying Have and form base oil on the internal face of matrix, non-viscous paint is sprayed on by forming face oil in base oil by second of spraying;Wherein, no Stick coating is aqueous ceramic coating, and non-sticking lining is ceramic non-stick coating, and ceramic non-stick coating includes base oil knead dough oil.
In the technical scheme, it is necessary to be sprayed twice, spraying for the first time during ceramic non-stick coating is prepared It is the surface formation base oil layer that aqueous ceramic coating is sprayed on to cookware matrix, second of spraying is to spray aqueous ceramic coating The forming face oil reservoir on base oil layer, wherein, base oil layer knead dough oil reservoir is formed on the surface of cookware matrix successively by spraying twice, So that ceramic non-stick coating combined with cookware matrix more securely, improve the knot between ceramic non-stick coating and cookware matrix With joint efforts.
In the above embodiment, it is preferable that after first time sprays, before second sprays, cookware matrix is placed in temperature To toast 5min~10min in 30 DEG C~50 DEG C of baking channels;After second sprays, cookware matrix is placed in temperature is 15min~25min is sintered in 260 DEG C~280 DEG C of sintered channels, is applied with forming ceramic non-stick in the internal face of cookware matrix Layer.
In the above embodiment, it is preferable that after second sprays, before sintering, cookware matrix is placed in temperature as 70 DEG C 8min~10min is kept the temperature in~100 DEG C of heat preservation channel.
In the technical scheme, after first time sprays, the cookware matrix for being formed with base oil layer first is placed in temperature is After toasting 5min~10min in 30 DEG C~50 DEG C of baking channel, then second of spraying is carried out, can not only so eliminate base oil The internal stress of layer, avoids base oil layer from the situation in crack occur, but also can improve the combination power of base oil layer and face oil reservoir, In, after being sprayed second, it is necessary to by be formed with face oil into cookware matrix be placed in the sintering that temperature is 260 DEG C~280 DEG C and lead to 15min~25min is sintered in road can form ceramic non-stick coating, it should be noted that before being sintered, it is necessary to first by shape Into have face oil into cookware matrix to be placed in temperature be that 8min~10min is kept the temperature in 70 DEG C~100 DEG C of heat preservation channel, then rising Temperature sintering can so eliminate the internal stress of face oil reservoir, and the situation in crack occurs in the face oil reservoir of avoiding, and can also improve face oil The bond strength of layer and the service life for improving face oil reservoir.
In any of the above-described embodiment, it is preferable that form nitrogen in the outside wall surface of cookware matrix by gas nitriding technology Change layer, the parameter of gas nitriding technology includes:Temperature is 500 DEG C~700 DEG C, and the time is 2.5h~3.5h, and ammonia dissociation rate is 50%~70%.
In the technical scheme, by gas nitriding technology can the outside wall surface of cookware matrix formed nitration case, while to Diffusion in the wall of cookware matrix so that this by ingot iron cookware of Nitrizing Treatment have good wearability, fatigue durability, Corrosion resistance and heat-resisting quantity etc.;Specifically, gas nitriding is carried out to the outer surface of cookware matrix, nitriding temperature is maintained at 500 DEG C~700 DEG C, soaking time is 2.5h~3.5h, and ammonia dissociation rate is 50%~70% so that the appearance of cookware matrix after nitriding Face forms the high nitration case of chemical stability.Wherein, the thickness of the nitration case is in the range of 200 μm to 500 μm, by nitration case Thickness in the range of 200 μm to 500 μm, the too small situation for causing anti-corrosion effects difference of thickness can not only be avoided to occur, And nitride thickness excessive the problem of processing difficulties and cookware cost is caused to raise is avoided that again.
In any of the above-described embodiment, it is preferable that the content of iron is 99.6%~99.8% in ingot iron.
In the technical scheme, the content of iron is 99.6%~99.8% in ingot iron, with high magnetic permeability and magnetic strength Intensity is answered, therefore, the cookware prepared using the ingot iron then has very high magnetic conductivity, so that adopting using the cookware All it is far above other cooking apparatus with the heating power of the cooking apparatus of electromagnetic heating technique.
In first specific implementation case of the present invention, the preparation method of cookware includes:Purity is used as 99.6% Pure iron plate (iron plate made of ingot iron) is prepared into cookware matrix by punching press, grinding, which is 5mm;To cookware Carry out degreasing, oil removing, sanding (sandblasting) processing;Cookware is preheated, about 45 DEG C of temperature, skill is then sprayed using air pressure Art is in the ceramic coated non-sticking lining of internal face of cookware matrix.Wherein, then base oil spraying 15um toasts 35 DEG C of heat preservation 7min, Then face oil spraying, coating thickness 10um, 70 DEG C of heat preservations 10min, 260 DEG C of heat preservation 15min after the completion of spraying are carried out;To cookware Outside carries out gas nitriding, and nitriding temperature is maintained at 550~600 DEG C, keeps the temperature 3h, ammonia dissociation rate 50%, cookware base after nitriding The outside wall surface of body can obtain the high nitration case of chemical stability.
In second specific implementation case of the present invention, the preparation method of cookware includes:Purity is used as 99.8% Pure iron plate (iron plate made of ingot iron) is prepared into cookware matrix by punching press, grinding, which is 6mm;To cookware Carry out degreasing, oil removing, sanding (sandblasting) processing;Cookware is preheated, about 50 DEG C of temperature, skill is then sprayed using air pressure Art is in the ceramic coated non-sticking lining of internal face of cookware matrix.Wherein, then base oil spraying 20um toasts 40 DEG C of heat preservation 5min, Then face oil spraying, coating thickness 15um, 80 DEG C of heat preservations 10min, 280 DEG C of heat preservation 15min after the completion of spraying are carried out;To cookware Outside carries out gas nitriding, and nitriding temperature is maintained at 600~700 DEG C, keeps the temperature 3h, ammonia dissociation rate 70%, cookware base after nitriding The outside wall surface of body can obtain the high nitration case of chemical stability.
Case is embodied by above-mentioned two, most obtains that there is high magnetic conduction, high heat preservation performance at last, non-sticky property is well simultaneously And the pure iron cookware corrosion-resistant, case hardness is higher.
In the description of the present invention, unless otherwise clearly defined and limited, term " multiple " refer to two or two with On;Unless otherwise prescribed or illustrate, term " connection ", " fixation " etc. should all be interpreted broadly, for example, " connection " can be fixed It connects or is detachably connected or is integrally connected or be electrically connected;It can be directly connected, intermediate matchmaker can also be passed through Jie is indirectly connected.For the ordinary skill in the art, above-mentioned term can be understood in the present invention as the case may be In concrete meaning.
In the description of this specification, it is to be understood that the instructions such as term " on ", " under ", "front", "rear", "left", "right" Orientation or position relationship be based on orientation shown in the drawings or position relationship, be for only for ease of the description present invention and simplification retouched It states rather than indicates or imply signified device or unit must have specific direction, with specific azimuth configuration and operation, It is thus impossible to it is interpreted as limitation of the present invention.
In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc. Mean to combine at least one reality that the particular features, structures, materials, or characteristics that the embodiment or example describe are contained in the present invention It applies in example or example.In the present specification, schematic expression of the above terms is not necessarily referring to identical embodiment or reality Example.Moreover, description particular features, structures, materials, or characteristics can in any one or more embodiments or example with Suitable mode combines.
It these are only the preferred embodiment of the present invention, be not intended to limit the invention, for those skilled in the art For member, the invention may be variously modified and varied.Any modification within the spirit and principles of the invention, being made, Equivalent substitution, improvement etc., should all be included in the protection scope of the present invention.

Claims (20)

1. a kind of cookware, which is characterized in that including:
Using cookware matrix made of ingot iron;
Non-sticking lining is arranged on the internal face of the cookware matrix;
Nitration case is arranged in the outside wall surface of the cookware matrix;
Wherein, the cookware matrix is passed through to being stamped and formed out using substrate made of the ingot iron.
2. cookware according to claim 1, which is characterized in that
The thickness of the cookware matrix is in the range of 5mm~7mm.
3. cookware according to claim 1, which is characterized in that
The non-sticking lining is ceramic non-stick coating, and the thickness of the ceramic non-stick coating is in the range of 25 μm to 35 μm.
4. cookware according to claim 3, which is characterized in that
The ceramic non-stick coating includes base oil layer knead dough oil reservoir, and the base oil layer is sprayed on the internal face of the cookware matrix On, the face oil reservoir is sprayed on the base oil layer.
5. cookware according to claim 4, which is characterized in that
The thickness of the base oil layer is in the range of 15 μm~20 μm, the scope of the thickness of the face oil reservoir at 10 μm~15 μm It is interior.
6. cookware according to any one of claim 1 to 5, which is characterized in that
The nitration case is formed in by gas nitriding technology in the outside wall surface of the cookware matrix.
7. cookware according to claim 6, which is characterized in that
The thickness of the nitration case is in the range of 200 μm~500 μm.
8. cookware according to any one of claim 1 to 5, which is characterized in that
The non-sticking lining is sprayed on by air pressure spraying process on the internal face of the cookware matrix.
9. a kind of cooking apparatus, which is characterized in that including:Such as above-mentioned cookware described in any item of the claim 1 to 8.
10. cooking apparatus according to claim 9, which is characterized in that
The cooking apparatus is the electric cooker or electric pressure cooking saucepan using electromagnetic heating.
It 11. a kind of preparation method of cookware, is used to prepare such as cookware described in any item of the claim 1 to 8, feature exists In, including:
To carrying out punching press using substrate made of ingot iron, to form cookware matrix;
Non-viscous paint is sprayed on the internal face of the cookware matrix and forms non-sticking lining;
Nitrizing Treatment is carried out to the outside wall surface of the cookware matrix, to form nitration case in the outside wall surface of the cookware matrix.
12. the preparation method of cookware according to claim 11, which is characterized in that
Non-viscous paint is sprayed in the internal face to the cookware matrix and the outside wall surface of the cookware matrix is carried out at nitriding Before reason, internal face and outside wall surface to the cookware matrix carry out blasting treatment.
13. the preparation method of cookware according to claim 12, which is characterized in that
Before blasting treatment, internal face and outside wall surface to the cookware matrix carry out degreasing degreasing processing.
14. the preparation method of cookware according to claim 12, which is characterized in that in the internal face to the cookware matrix Spray non-viscous paint and to before the outside wall surface progress Nitrizing Treatment of the cookware matrix and after blasting treatment, also wrapping It includes:
The pre-heat treatment is carried out to the cookware matrix, wherein, the treatment temperature of the pre-heat treatment is 40 DEG C~70 DEG C, during processing A length of 1min~4min.
15. the preparation method of the cookware according to any one of claim 11 to 14, which is characterized in that
Non-viscous paint is sprayed on the internal face of the cookware matrix by air pressure spraying process and forms non-sticking lining, institute Stating the spray parameters of air pressure spraying process includes:Nozzle diameter is 0.5 millimeter~1.8 millimeters, air pressure 0.3Mpa ~0.5Mpa is sprayed away from for 25cm~35cm, and spray angle is 60 °~90 °.
16. the preparation method of cookware according to claim 15, which is characterized in that
The spraying carries out at twice, and non-viscous paint is sprayed on shape on the internal face of the cookware matrix by first time spraying Into base oil, non-viscous paint is sprayed on by forming face oil in the base oil by second of spraying;
Wherein, the non-viscous paint is aqueous ceramic coating, and the non-sticking lining is ceramic non-stick coating, and the ceramic non-stick applies Layer includes the base oil and face oil.
17. the preparation method of cookware according to claim 16, which is characterized in that
After first time sprays, before second sprays, the cookware matrix is placed in the baking channel that temperature is 30 DEG C~50 DEG C Middle baking 5min~10min;
After second sprays, the cookware matrix is placed in the sintered channels that temperature is 260 DEG C~280 DEG C and is sintered 15min ~25min forms the ceramic non-stick coating with the internal face in the cookware matrix.
18. the preparation method of cookware according to claim 17, which is characterized in that
After second sprays, before sintering, the cookware matrix is placed in the heat preservation channel that temperature is 70 DEG C~100 DEG C and is kept the temperature 8min~10min.
19. the preparation method of the cookware according to any one of claim 11 to 14, which is characterized in that
The nitration case is formed in the outside wall surface of the cookware matrix by gas nitriding technology, the gas nitriding technology Parameter includes:Temperature is 500 DEG C~700 DEG C, and the time is 2.5h~3.5h, and ammonia dissociation rate is 50%~70%.
20. the preparation method of the cookware according to any one of claim 11 to 14, which is characterized in that
The content of iron is 99.6%~99.8% in the ingot iron.
CN201611046545.1A 2016-11-23 2016-11-23 The preparation method of cookware, cooking apparatus and cookware Pending CN108078362A (en)

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CN111139419A (en) * 2018-11-02 2020-05-12 佛山市顺德区美的电热电器制造有限公司 Container, preparation method thereof and cooking equipment
CN111802900A (en) * 2020-06-01 2020-10-23 江门市伊尔乐厨卫电器有限公司 Production method of stainless steel pot with internal and external spraying
CN111975294A (en) * 2020-07-30 2020-11-24 江门市伊尔乐厨卫电器有限公司 Iron pressure cooker production process and iron pressure cooker cover production process
CN114568954A (en) * 2022-03-02 2022-06-03 爱仕达股份有限公司 Cooking utensil and preparation method thereof
CN116024571A (en) * 2022-12-09 2023-04-28 浙江新唐实业有限公司 Rust-proof non-stick appliance formed by nitriding inner surface of air fryer and preparation method

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