CN109549445A - A kind of fume-less cooker tool and preparation method thereof - Google Patents

A kind of fume-less cooker tool and preparation method thereof Download PDF

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Publication number
CN109549445A
CN109549445A CN201710872815.2A CN201710872815A CN109549445A CN 109549445 A CN109549445 A CN 109549445A CN 201710872815 A CN201710872815 A CN 201710872815A CN 109549445 A CN109549445 A CN 109549445A
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CN
China
Prior art keywords
pot body
multiple bottom
fume
less cooker
cooker tool
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Granted
Application number
CN201710872815.2A
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Chinese (zh)
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CN109549445B (en
Inventor
李明
李志猛
黄宇华
熊君
赵国尧
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Foshan Shunde Midea Electrical Heating Appliances Manufacturing Co Ltd
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Foshan Shunde Midea Electrical Heating Appliances Manufacturing Co Ltd
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Priority to CN201710872815.2A priority Critical patent/CN109549445B/en
Publication of CN109549445A publication Critical patent/CN109549445A/en
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    • 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
    • A47J36/00Parts, details or accessories of cooking-vessels
    • A47J36/02Selection of specific materials, e.g. heavy bottoms with copper inlay or with insulating inlay

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

Abstract

The present invention relates to cooking apparatus field, a kind of fume-less cooker tool and preparation method thereof is disclosed.Fume-less cooker tool includes pot body (2) and the multiple bottom (6) for being formed in pot body (2) inside and or outside, multiple bottom (6) weld together with the pot body (2), sealing structure is formed, the surface of multiple bottom (6) is covered with nitride layer.Fume-less cooker of the present invention tool can prevent in use process the infiltration of nitriding liquid when cookware unitary fluid nitriding in the infiltration and manufacturing process of water.

Description

A kind of fume-less cooker tool and preparation method thereof
Technical field
The present invention relates to cooking apparatus fields, more particularly to a kind of fume-less cooker tool and preparation method thereof.
Background technique
Traditional iron pan, pot body material are the pig iron or wrought iron, and heat transfer efficiency is not high, and local height is easy to produce in heating process Temperature, when culinary art, are easy to produce oil smoke.Part iron pan can the bottom of a pan be arranged the even thermosphere that is made into of one layer of higher material of thermal conductivity and The multiple bottom that one layer of magnetic conductive metal is constituted, the problem of being also easy to produce oil smoke so as to improve iron pan.But irony pot body usually require into Row nitriding antirust treatment makes pot body be not easy to get rusty to promote pot body antirust ability.In nitriding process, because temperature is relatively high, Even thermosphere is easy expanded by heating and even melts, and multiple bottom is caused to be deformed, influence using.
Summary of the invention
The purpose of the invention is to overcome in existing iron pan due to endless hermetically sealed between multiple bottom and pot body and infiltration Problem caused by multiple bottom is easily-deformable in nitrogen treatment process provides a kind of fume-less cooker tool and preparation method thereof.
To achieve the goals above, one aspect of the present invention provides a kind of fume-less cooker tool, and fume-less cooker tool includes pot body With the multiple bottom for being formed in pot body inside and or outside, the multiple bottom welds together with the pot body, forms sealing knot The surface of structure, the multiple bottom is covered with nitride layer.
Preferably, the multiple bottom forms sealing structure by laser welding with the pot body.
Preferably, the fume-less cooker tool further includes even thermosphere, and the even thermosphere is located at the multiple bottom and the pot body Between inside/outside surface.
Preferably, the structure type that the multiple bottom and the bottom of pot body are formed is outer flat indent, outer Ping Neiping, evagination It is put down in concave or convex.
Preferably, the multiple bottom is located at the bottom of pot body, and the multiple bottom and/or the bottom of pot body are provided with Reinforcing rib.
Preferably, the pot body includes the base formed by smart iron or cast iron and the nitrided iron that is covered in the substrate surface Layer.
Preferably, the nitridation that the multiple bottom includes the base formed by smart iron or cast iron and is covered in the substrate surface Iron layer.
Preferably, the material of the even thermosphere is aluminium and/or copper.
Second aspect of the present invention provides a kind of preparation method of fume-less cooker tool, this method comprises: multiple bottom is seeped Nitrogen processing, and by the obtained multiple backing weld by Nitrizing Treatment pot body inside and or outside, make the multiple bottom with Sealing structure is formed between the pot body.
Preferably, the method also includes: before it will answer bottom and pot body welding, the edge vehicle of the multiple bottom is fallen Then a part is welded with removing nitride layer.
Preferably, the process of the welding is laser welding.
Preferably, the method also includes: between the multiple bottom and the inner surface of pot body form even thermosphere.
Have according to fume-less cooker of the present invention, pot body and multiple bottom form sealing structure, so as to prevent using In the process in the infiltration and manufacturing process of water when cookware unitary fluid nitriding nitriding liquid infiltration, and multiple bottom have it is higher Intensity, can prevent multiple bottom from deforming during Nitrizing Treatment.
In the preferred case, the welding manner between multiple bottom and pot body is laser welding.Compared with common welding manner, It can accomplish to be fully sealed by the way of laser welding, even if so that the sealing structure between multiple bottom and pot body is seeped in high temperature When stretcher strain occurs for bottom and pot body again during nitrogen, still it will not crack at soldering opening, so as to prevent from making The infiltration of cookware nitriding liquid enters from soldering opening during making, while being also possible to prevent the aluminium of melting during high temperature nitriding (because of high temperature nitriding, the fusing point of aluminium is relatively low) leaks out from soldering opening.Moreover, to be formed by welding surface welding trace equal for laser welding Even, the molten region of hurting of welding is small, without apparent crator, preferable appearance can be obtained after welding, following process is not needed to welding position Do specially treated.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the embodiment for the fume-less cooker tool that multiple bottom is formed on the outside of pot body;
Fig. 2 is the structural schematic diagram of the another embodiment for the fume-less cooker tool that multiple bottom is formed on the outside of pot body;
Fig. 3 is the structural schematic diagram of the another embodiment for the fume-less cooker tool that multiple bottom is formed on the outside of pot body;
Fig. 4 is the structural schematic diagram of the another embodiment for the fume-less cooker tool that multiple bottom is formed on the outside of pot body.
Fig. 5 is a kind of structural schematic diagram of the embodiment for the fume-less cooker tool that multiple bottom is formed on the inside of pot body;
Fig. 6 is the structural schematic diagram of the another embodiment for the fume-less cooker tool that multiple bottom is formed on the inside of pot body;
Fig. 7 is the structural schematic diagram of the another embodiment for the fume-less cooker tool that multiple bottom is formed on the inside of pot body;
Fig. 8 is the structural schematic diagram of the another embodiment for the fume-less cooker tool that multiple bottom is formed on the inside of pot body.
Fig. 9 is the top view for the fume-less cooker tool that multiple bottom is formed on the inside of pot body.
Description of symbols
2 pot bodys 6 answer bottom
5 even thermospheres
Specific embodiment
Below in conjunction with attached drawing, detailed description of the preferred embodiments.It should be understood that this place is retouched The specific embodiment stated is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
In the present invention, in the absence of explanation to the contrary, the noun of locality used such as " upper and lower " is typically referred to reference to attached It is upper and lower shown in figure;" inside and outside " refers to the inside and outside of the profile relative to each component itself.
As shown in figs 1-9, fume-less cooker tool of the present invention includes pot body 2 and is formed in 2 inside and or outside of pot body Multiple bottom 6, the multiple bottom 6 welds together with the pot body 2, forms sealing structure, the surface covering of the multiple bottom 6 There is nitride layer.
In fume-less cooker of the present invention tool, multiple bottom 6 forms sealing structure by welding with pot body 2.The weldering As long as the mode connect, which can be realized, is capable of forming sealing structure.Under preferable case, the multiple bottom 6 and the pot body 2 are logical It crosses laser welding and forms sealing structure.When the mode of the welding is laser welding, it on the one hand can ensure multiple bottom 6 and pot It combines closely between body 2, forms complete sealing, another aspect welding surface welding trace is uniform, and the molten region of hurting of welding is small, without apparent Crator, can be obtained preferable appearance after welding, following process does not need to do specially treated to welding position.
In a preferred embodiment, the fume-less cooker tool further includes even thermosphere 5, and the even thermosphere 5 is located at described Between multiple 2 inner surface of bottom 6 and the pot body.Due to the presence of even thermosphere 5, the temperature of multiple bottom 6 will not very high and heated ratio It is more uniform, it is not easy to fall off heating repeatedly and cooling thermal impact, can be further improved cookware service life.
In the present invention, when the multiple bottom 6 is formed in 2 outside (as shown in Figs 1-4) of pot body, it is preferable that described even Thermosphere 5 and the multiple bottom 6 are fixed together by butt-joint.Under the preferable case, the preparation process of the fume-less cooker tool In, first even thermosphere 5 and multiple bottom 6 can be fixed together by butt-joint, then implement the Welder of multiple bottom 6 and pot body 2 Sequence.
In the present invention, when the multiple bottom 6 is formed in 2 inside (as shown in figures 5-9) of pot body, multiple bottom 6 is in pot body Inside, will not directly be contacted with heating source, be not easy to fall off even if heating and cooling thermal impact repeatedly, pot can be improved Has service life.
In the present invention, when the multiple bottom 6 is formed in 2 inside of pot body, it is preferable that the 2 outwardly convex shape of pot body At groove (as viewed in figures 5-8), the even thermosphere 5 is located in the groove, the thickness edge of the multiple bottom 6 and the groove Wall surface interference fit (facilitate welding position), the upper surface of the multiple bottom 6 and the smooth interior surfaces transition of the pot body 2.
In the present invention, the structure type that the multiple bottom 6 and 2 bottom of the pot body are formed can be this field routine Selection, for example, can for outer flat indent (as described in figures 1 and 5), outer Ping Neiping (as seen in figs), evagination indent (such as Fig. 3 and Shown in 7) or evagination in put down (as shown in figures 4 and 8).It, can due to when the pot body 2 or the multiple bottom 6 have certain radian To disperse expansive force, so as to prevent multiple bottom 6 and pot body 2 from deforming during nitriding, therefore, the multiple bottom 6 and 2 bottom of the pot body formed the preferably outer flat indent (i.e. pot body 2 has certain radian) of structure type, evagination indent (i.e. Pot body 2 and multiple bottom 6 all have certain radian) or evagination in put down (answering bottom 6 has certain radian).
In fume-less cooker of the present invention tool, the multiple bottom 6 is preferably placed at the bottom of the pot body 2.In one kind In preferred embodiment, in order to reinforce multiple bottom 6 and pot body 2, prevent multiple bottom 6 and pot body 2 during nitriding It deforms, reinforcing rib is set in the multiple bottom 6 and/or 2 bottom of the pot body.It is highly preferred that in the multiple bottom 6 and institute It states 2 bottom of pot body and is respectively provided with reinforcing rib.The reinforcing rib can be the concavo-convex knot being formed on 2 surface of multiple bottom 6 and pot body Structure specifically, such as can be continuous or interval triangle, arc-shaped or trapezoidal prismatic shapes composition concave-convex knot Structure.
In the present invention, the material of the pot body 2 can be the conventional selection of this field, such as can be smart iron or casting Iron.In one embodiment, the pot body 2 includes the base formed by smart iron or cast iron and is covered in the substrate surface Nitrogenize iron layer.
In the present invention, the material of the even thermosphere 5 can be the high thermal conductivity materials of this field routine, such as can be Aluminium and/or copper.
In the present invention, the material of the multiple bottom 6 can be the conventional selection of this field, such as can be smart iron or casting Iron.In one embodiment, the multiple bottom 6 includes the base formed by smart iron or cast iron and is covered in the substrate surface Nitridation iron layer.
In the present invention, the material selection of the pot body 2 and the multiple bottom 6 can be identical or different, preferably identical.
In fume-less cooker of the present invention tool, the pot body 2 can be single or multi-layer structure.The pot body 2 Thickness can be 0.8~3 millimeter.
In fume-less cooker of the present invention tool, the thickness of the multiple bottom 6 can be 0.8~3 millimeter.
In fume-less cooker of the present invention tool, the even thermosphere 5 can be the layer structure of uniform thickness, or There is the layer structure of gradually progressive thickness from the bottom of a pan center to surrounding.The minimum thickness of the even thermosphere 5 can be 1.2~5 millis Rice.
The method of the present invention for preparing fume-less cooker tool includes: multiple bottom to be carried out Nitrizing Treatment, and will obtain The inside of pot body 2 and/or outer is welded on by the multiple bottom 6 (i.e. surface be covered with nitride layer multiple bottom) of Nitrizing Treatment Side makes to form sealing structure between the multiple bottom 6 and the pot body 2.
In method of the present invention, thickness, material and the structure of pot body 2, even thermosphere 5 and multiple bottom 6 are and above It describes identical.
In the preferred case, the multiple bottom 6 is linked together with the pot body 2 by laser welding.
In the present invention, the method for preparing fume-less cooker tool it is also preferable to include: in the multiple bottom 6 and the pot body Even thermosphere 5 is formed between 2 inner surfaces.
In the present invention, when the multiple bottom 6 is welded on outside (as shown in Figs 1-4) of pot body 2, fume-less cooker tool Preparation process is preferred are as follows: first even thermosphere 5 and multiple bottom 6 is connected and fixed by butt-joint, then apply certain pressure to make The outer edge of multiple bottom 6 is bonded with the outer surface of pot body 2, then welds together the multiple bottom 6 with the pot body 2.
In the present invention, when the multiple bottom 6 is welded on the inside (as shown in figures 5-9) of pot body 2, fume-less cooker tool Preparation process is preferred are as follows: first even thermosphere 5 is formed on the inner surface of pot body 2, then applying certain pressure makes multiple bottom 6 Outer edge is bonded with the inner surface of pot body 2, then welds together the multiple bottom 6 with the pot body 2.
In the present invention, the surface of the multiple bottom 6 will form one layer of stable nitrogen iron compound, will affect multiple bottom Welded connecting between 6 and pot body 2, therefore the edge vehicle of multiple bottom 6 is first preferably fallen into a part, to remove around welding position Nitride layer (such as nitridation iron layer), then implements welding.Also, it by above-mentioned preferred operation, is more advantageous to surface and is covered with Complete sealing structure is formed between the multiple bottom and pot body of nitride layer, so that the two is in conjunction with stronger.
In the present invention, when the material of the pot body 2 is smart iron or cast iron, the preparation method of the fume-less cooker tool is excellent Choosing further include: after welding multiple bottom 6, Nitrizing Treatment is integrally carried out to cookware, so that gained fume-less cooker tool is with preferable Rust-proof effect.Moreover, the fume-less cooker tool prepared according to the method described in the present invention, due to shape between multiple bottom 6 and pot body 2 At sealing structure, thus nitriding liquid does not penetrate into the space between multiple bottom 6 and pot body 2 during Nitrizing Treatment.
The preferred embodiment of the present invention has been described above in detail, and still, the present invention is not limited thereto.In skill of the invention In art conception range, can with various simple variants of the technical solution of the present invention are made, including each technical characteristic with it is any its Its suitable method is combined, and it should also be regarded as the disclosure of the present invention for these simple variants and combination, is belonged to Protection scope of the present invention.

Claims (11)

1. a kind of fume-less cooker tool, which is characterized in that fume-less cooker tool include pot body (2) and be formed on the inside of pot body (2) with/ Or the multiple bottom (6) in outside, multiple bottom (6) weld together with the pot body (2), form sealing structure, the multiple bottom The surface of layer (6) is covered with nitride layer.
2. fume-less cooker tool according to claim 1, which is characterized in that multiple bottom (6) pass through with the pot body (2) Laser welding forms sealing structure.
3. fume-less cooker tool according to claim 1 or 2, which is characterized in that the fume-less cooker tool further includes even thermosphere (5), the even thermosphere (5) is located between described multiple bottom (6) and the pot body (2) surface.
4. fume-less cooker tool according to claim 1 or 2, which is characterized in that multiple bottom (6) and the pot body (2) The structure type that bottom is formed is outer flat indent, puts down in outer Ping Neiping, evagination concave or convex.
5. fume-less cooker tool according to claim 1 or 2, which is characterized in that described multiple bottom (6) are located at the pot body (2) bottom, and described multiple bottom (6) and/or the pot body (2) bottom is provided with reinforcing rib.
6. fume-less cooker tool according to claim 1 or 2, which is characterized in that the pot body (2) includes by smart iron or cast iron The base of formation and the nitridation iron layer being covered in the substrate surface;
Preferably, the nitridation that multiple bottom (6) include the base formed by smart iron or cast iron and are covered in the substrate surface Iron layer.
7. fume-less cooker according to claim 3 tool, which is characterized in that the material of the even thermosphere (5) be aluminium and/or Copper.
8. a kind of preparation method of fume-less cooker tool, this method comprises: multiple bottom is carried out Nitrizing Treatment, and the process that will be obtained The multiple bottom (6) of Nitrizing Treatment is welded on the inside and or outside of pot body (2), makes multiple bottom (6) and the pot body (2) Between form sealing structure.
9. according to the method described in claim 8, wherein, the method also includes: it is welded bottom (6) and pot body (2) will be being answered Before, the edge vehicle of multiple bottom (6) is fallen into a part to remove nitride layer, is then welded.
10. method according to claim 8 or claim 9, wherein the process of the welding is laser welding.
11. method according to claim 8 or claim 9, wherein the method also includes: in multiple bottom (6) and the pot Even thermosphere (5) are formed between body (2) surface.
CN201710872815.2A 2017-09-25 2017-09-25 Lampblack-free pot and preparation method thereof Active CN109549445B (en)

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CN109549445B CN109549445B (en) 2021-10-15

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2492154Y (en) * 2001-09-24 2002-05-22 南京昶旭电气有限公司 Stainless steel frying pan with double-bottom
JP2004142968A (en) * 2002-10-22 2004-05-20 Tohi Ceramics:Kk Ceramic vessel for electromagnetic induction heating cooker
CN2897083Y (en) * 2006-02-27 2007-05-09 汤国卫 Lining of electric cooker
CN101649377A (en) * 2009-08-25 2010-02-17 济南二机床集团有限公司 Hardness control method in steel roller welding process of steel coil decoiler
CN202283192U (en) * 2011-10-22 2012-06-27 周和平 Composite pot adopting dual-layer welding mode
CN202891559U (en) * 2012-07-30 2013-04-24 刘玉 Riveting and welding combined multiple-bottom electric food warmer
CN203018398U (en) * 2012-11-22 2013-06-26 沈阳黎明航空发动机(集团)有限责任公司 Multifunctional cleaning device
US20140299218A1 (en) * 2013-04-09 2014-10-09 BOA Balg-Und Kompensatoren-Technologie GmbH Process for manufacturing a bellows and/or bellows
US20150014703A1 (en) * 2010-02-16 2015-01-15 International Rectifier Corporation III-NITRIDE Device with Solderable Front Metal
CN105433764A (en) * 2015-12-03 2016-03-30 九阳股份有限公司 Multipurpose frying pan
CN205433273U (en) * 2015-11-27 2016-08-10 刘允龙 Pot container of compound end and tool
CN106637056A (en) * 2017-01-16 2017-05-10 苏州诺迅汽车零部件有限公司 Process for nitriding nozzle ring weld assemblies

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2492154Y (en) * 2001-09-24 2002-05-22 南京昶旭电气有限公司 Stainless steel frying pan with double-bottom
JP2004142968A (en) * 2002-10-22 2004-05-20 Tohi Ceramics:Kk Ceramic vessel for electromagnetic induction heating cooker
CN2897083Y (en) * 2006-02-27 2007-05-09 汤国卫 Lining of electric cooker
CN101649377A (en) * 2009-08-25 2010-02-17 济南二机床集团有限公司 Hardness control method in steel roller welding process of steel coil decoiler
US20150014703A1 (en) * 2010-02-16 2015-01-15 International Rectifier Corporation III-NITRIDE Device with Solderable Front Metal
CN202283192U (en) * 2011-10-22 2012-06-27 周和平 Composite pot adopting dual-layer welding mode
CN202891559U (en) * 2012-07-30 2013-04-24 刘玉 Riveting and welding combined multiple-bottom electric food warmer
CN203018398U (en) * 2012-11-22 2013-06-26 沈阳黎明航空发动机(集团)有限责任公司 Multifunctional cleaning device
US20140299218A1 (en) * 2013-04-09 2014-10-09 BOA Balg-Und Kompensatoren-Technologie GmbH Process for manufacturing a bellows and/or bellows
CN205433273U (en) * 2015-11-27 2016-08-10 刘允龙 Pot container of compound end and tool
CN105433764A (en) * 2015-12-03 2016-03-30 九阳股份有限公司 Multipurpose frying pan
CN106637056A (en) * 2017-01-16 2017-05-10 苏州诺迅汽车零部件有限公司 Process for nitriding nozzle ring weld assemblies

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