CN103300738A - Composite pot bottom preparation method and composite pot bottom - Google Patents
Composite pot bottom preparation method and composite pot bottom Download PDFInfo
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- CN103300738A CN103300738A CN2012100721519A CN201210072151A CN103300738A CN 103300738 A CN103300738 A CN 103300738A CN 2012100721519 A CN2012100721519 A CN 2012100721519A CN 201210072151 A CN201210072151 A CN 201210072151A CN 103300738 A CN103300738 A CN 103300738A
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Abstract
The invention discloses a composite pot bottom preparation method and a composite pot bottom, wherein the inner and outer layers of the composite pot bottom are made from aluminum alloy and the middle layer of the composite pot bottom is made of a stainless steel plate in a composite pot bottom preparation process, the composite pot bottom is manufactured sequentially through technologies including stretching, pot bottom machining, composite bottom piece spot welding, thermally and repeatedly striking, rotationally pressing or extruding for reprocessing and pot bottom outmost layer machining and the like; in the thermally and repeatedly striking process, the inner and outer aluminum alloys are heated and re-struck to fuse the re-striking layer and the pot body integrally so that the middle layer is coated; the middle layer and the inner and outer aluminum alloys are heated and re-struck to be firmly connected, so that the three layers are of an integral structure; and finally a part of outer layer is machined to expose a stainless steel plate after the composite pot bottom is reprocessed, so that the pot is suitable for a plurality of cookers such as an induction cooker. According to the preparation method, the composite pot bottom is firmer by heating and re-striking the inner and outer aluminum alloys to completely coat the stainless steel plate of the middle layer, so that phenomenon of layering and falling off in use can be substantially eliminated, and the intensity of the pot bottom can be improved.
Description
Technical field
The present invention relates to a kind of cooker manufacturing technology, especially a kind of composite pan bottom preparation method and this composite pan bottom that uses up and down two-layer aluminum alloy heat strike-on coating corrosion resistant plate.
Background technology
Adopting composite metal plate is a large technological innovation of cooker manufacturing as pot material.It utilizes the metal composite technology, with the metal composite that has stronger complementation on the performance together, makes composite metal plate.The cooker of being made by composite metal plate, overcome single metal material, the scarce of combination property aspect such as the existing heat conductivity of cooker of making such as stainless steel, aluminium, iron etc., case hardness, pot body rigidity, corrosion resistance, electromagnetic induction are shaken, thereby greatly improved the overall performance of cooker, liked by consumers in general because its advantage highlights gradually.
Along with the domestic economy development, the improvement of people's living condition and the raising of the level of consumption, household electromagnetic cooker is with its unique advantage, as the flames of anger, ash-free, not oxygen consumption, do not produce pernicious gas, do not produce dangerous ray, non-thermal radiation, efficient energy conversion.Can heat, can steam again, fry, boil, explode, be incubated, function is various.Not only make things convenient for but also energy-conservation in the use, thereby day by day be subject to domestic consumers in general's welcome.
Abroad some developed country and area, the popularity rate of household electromagnetic cooker reaches more than 70%.And at present for the composite metal plate cooker of electromagnetic stove, the outermost metal of pot is to have adopted the 1Cr17 stainless steel.Usually, during as the appearance of pot, its surface generally can only adopt mirror finish or sanding to process, difficult other surface treatment method that adopts with stainless steel.So just so that the pan appearance luster seems comparatively single, give a kind of grave and stern sensation of people on the tone, rich and varied not, can not satisfy the different consumer groups to the diversified demand of cooker appearance color, need to improve and development.
Application number is that the Chinese patent of CN201010209585.X discloses a kind of machining technology of redriving aluminum alloy pan, comprises step: 1) stretch for the first time; 2) compound redriving piece on the bottom of a pan; 3) stretch for the second time; 4) subsequent treatment; Described step 2) comprises step in: 2.1) just weld redriving piece: get redriving piece, first redriving piece spot welding is fixed on a pot body bottom surface, again following table facing sand hair and the sandblast of redriving piece; 2.2) the strike-on process: first bottom of pot body up left-hand thread be positioned on the high frequency heater, startup high frequency heater makes redriving piece and bottom of pot body temperature rise to 450～550 ℃, the duration is 5～60 seconds; Again bottom of pot body up left-hand thread be positioned on the strike-on machine, carry out strike-on; Make redriving piece and pot body strong bonded.Compared with prior art, this processing technology is not high to equipment requirement, its utilize aluminium alloy in strike-on technique with the binding characteristic of stainless steel or stainless iron, the strike-on process, redriving piece (stainless steel or stainless iron) and aluminum alloy pan bear building-up are combined, be still in fact bilevel structure, in disclosing in this patent working example, skin is stainless iron or stainless steel, between must add one deck aluminium alloy, this aluminium alloy is similar to bonding medium as the intermediate medium of the combination of ectonexine, is combined with aluminium alloy at the bottom of stainless iron or the stainless-steel pan, aluminium alloy closes fixing with outer field stainless iron or stainless-steel pan bear building-up again, though realized three-layer composite structure, but remain hierarchy between three layers, service time, long or fierce collision also can come off at the bottom of redriving piece and the aluminum alloy pan, affect service life, and higher to the strike-on technological requirement.
In view of this special proposition the present invention.
Summary of the invention
The technical problem to be solved in the present invention is to overcome the deficiencies in the prior art, provides a kind of and saves cost, improves the quality of products, intensity and the composite pan bottom preparation method in service life.
Another object of the present invention is to provide firmly composite pan bottom of this combination.
For solving the problems of the technologies described above, the present invention adopts the basic conception of technical scheme to be: a kind of composite pan bottom preparation method, it is corrosion resistant plate for aluminium alloy, intermediate layer that this composite pan bottom preparation process adopts inside and outside layer, the inside and outside two-layer intermediate layer that envelopes, outer car falls the subregion to expose corrosion resistant plate, and the preparation method mainly comprises the steps:
1) stretch, pot body body is stretched to certain altitude, height is relevant with the design model;
2) machined the bottom of a pan step removes the bottom of a pan car to certain thickness, and shape and size and compound bottom sheet are complementary, and compound bottom sheet comprises stainless steel layer and aluminium alloy, and the thickness that car goes is relevant with the design model;
3) the compound bottom sheet point being welded in step 2) on the position gone of car, the aluminum alloy pan copy for the record or for reproduction body after car gone is as internal layer, and stainless steel layer and aluminium alloy are respectively as intermediate layer and skin, and three layers of spot welding are with the location;
4) hot strike-on, inside and outside aluminium alloy combines together in the periphery in intermediate layer by heating, strike-on, and the intermediate layer is enveloped, and the intermediate layer firmly is connected with inside and outside layer aluminium alloy heating strike-on, so that three layers is an overall structure;
5) the pot body is reprocessed, and the pot integrated machine is worked into the size of design by similar techniques such as extruding or spinning;
6) according to the bottom of a pan behind the above-mentioned hot strike-on of designing requirement machined skin to expose the corrosion resistant plate in intermediate layer.
Further scheme, step 2) thickness of compound bottom sheet aluminium alloy satisfies in step 4 in) can extend in the hot strike-on process to merge with aluminum alloy pan copy for the record or for reproduction body and envelope the intermediate layer.
Perhaps, step 4) method by heating in, the part at the multiple end of needs is heated to 400～450 ℃, so that the aluminium alloy of inside and outside layer all is softening fusion state, the intermediate layer corrosion resistant plate is coated in the aluminium alloy that is clamped in inside and outside layer fully, carry out strike-on with 1000T with pressurizing machine again, make three layers to be combined into one securely.
Again or, step 6) in the subregion in the outer corresponding intermediate layer fallen of car, the corrosion resistant plate in the middle of satisfying is still by outer remainder and internal layer the bottom of a pan coating itself.
The further scheme of such scheme is, adopts shape of threads or the outer field aluminium alloy in the ring-type machined the bottom of a pan, and the corrosion resistant plate that exposes core is with as magnetic layer.
Further, above-mentioned composite pan bottom structure is: the trade mark of described inside and outside layer aluminium alloy is F3003 or 3004, and the trade mark of intermediate layer corrosion resistant plate is SUS430 or 409.
After adopting technique scheme, the present invention compared with prior art has following beneficial effect.
The intermediate layer corrosion resistant plate being coated fully by ectonexine aluminum alloy heat strike-on by preparation method of the present invention can be so that composite pan bottom be more firm, the phenomenon that thoroughly eliminated in use layering, comes off, and the intensity of bottom improves greatly; The present invention is because the outer aluminium alloy of the car system of employing exposes corrosion resistant plate, and therefore, magnetic layer is integral manufacturing, and the thermal efficiency is higher than the circular hole compound bottom sheet of prior art far away; Preparation process of the present invention is not high to technological requirement, has saved preparation cost; By a large amount of evidences: composite pan bottom of the present invention is smokeless better effects if when cooking, has reduced by about 10% oil smoke amount; In addition, this preparation process does not affect the surfaces externally and internally processing of cooker product; The intensity of bottom improves greatly; The composite pan bottom preparation method scope of application of the present invention is extensive: such as cookers such as pressure cooker, frying pan, slaughterhouse, milk pot, frying pan, steamers.
Description of drawings
Fig. 1 is composite pan bottom structure schematic diagram of the present invention;
Fig. 2 is the A section enlarged diagram of Fig. 1;
Fig. 3 is the local schematic flow sheet of composite pan bottom preparation method of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present invention is described in further detail.
As depicted in figs. 1 and 2, composite pan bottom of the present invention consists of: internal layer 1 is the aluminium alloy of trade mark F3003 or 3004, intermediate layer 2 is the corrosion resistant plate of trade mark SUS430 or 409, outer 3 also is the aluminium alloy of trade mark F3003 or 3004, the corrosion resistant plate trade mark 409 is the corrosion resistant plate of 0Cr11Ti, and the trade mark 430 is the corrosion resistant plate of 1Cr17.
Concrete preparation process is:
1) pot body body 4 is stretched to certain altitude, this height is set according to the model of cooker;
2) machined the bottom of a pan step is removed certain thickness with plane, the bottom of a pan, and the part 5 of removal need to be complementary with shape, the size of compound bottom sheet, in order to will need intermediate layer 2 corrosion resistant plates at the multiple end and outer 3 aluminium alloy pinpoint weldings to the position of this removal;
3) intermediate layer 2 corrosion resistant plates at the multiple end of needs and the part spot welding after outer 3 aluminium alloys and the bottom removal of pot body body are fixed in spot welding, three layers of location, and being fixed together makes things convenient for the next procedure operation, prevents hot strike-on process slip;
4) hot strike-on, method by heating, the material at the multiple end of needs is heated to 400～450 ℃, at this moment the aluminium alloy as the aluminium alloy in the bottom of a pan of internal layer 1 own, skin 3 all is softening fusion state, intermediate layer 2 corrosion resistant plates are coated in the aluminum alloy materials that is clamped in inside and outside layer 1,3 fully, carry out strike-on with 1000T with pressurizing machine again and make three layers to be bonded to securely an integral body;
5) size that pot body integrated machine is worked into design by the extruding in the existing technique or spinning process, this moment, structure was that the bottom of a pan is thick, the pot wall is thin;
6) by the bottom of a pan behind the above-mentioned hot strike-on of designing requirement machined, outer aluminium alloy is removed part 6 to expose corrosion resistant plate so that as the electromagnetism pan, this moment, pot body body and outer remaining part still coated the surrounding edge edge of corrosion resistant plate.
By the outer aluminium alloy of mechanical process, the intermediate layer of exposing part energy magnetic conduction, this car style processed be the styles such as shape of threads, ring-type all can, purpose is exactly in order to expose the intermediate layer of magnetic conduction, the bottom of a pan screw thread increases the effect that magnetic conductive area, ring-type play safe anti-slipping.
As shown in Figure 3, be specially the machined the bottom of a pan to the step of hot strike-on, after pot body body 4 stretched, the thickness L in pot body and the bottom of a pan was 6mm, it is that 0.54mm, diameter R1 are the bottom of a pan disk 5 of 140.5mm that car removes thickness L1, and the bottom of a pan thickness after remove this moment is that internal layer thickness L2 is 5.46mm; Then will be as intermediate layer 2 corrosion resistant plates of compound bottom sheet and the outer 3 aluminium alloy pinpoint weldings position in above-mentioned removal, the diameter R of compound bottom sheet is that 140mm, thickness L3 are 2.5mm, herein, the thickness of intermediate layer 2 corrosion resistant plates is 1.0mm, the thickness of outer 3 aluminium alloys is 1.5mm, diameter is 140mm, and the bottom of a pan gross thickness L4 of some postwelding is 7.96mm; Hot strike-on, aluminum alloy pan copy for the record or for reproduction body after the removal is that the aluminium alloy of internal layer 1 and outer 3 all is softening fusion state, this moment, outer 3 aluminium alloys extension combined together with internal layer 1, with intermediate layer 2 corrosion resistant plates coat fully be clamped in the middle of, outer 3 aluminium alloy diameter R2 extend and are 155mm, intermediate layer 2 corrosion resistant plates are also extended by hot strike-on, and diameter R3 increases to 145mm, and the bottom of a pan gross thickness L5 behind the hot strike-on is 6.5-7.0mm; Afterwards process extruding or spinning reprocessing, the outer aluminium alloy of mechanical process are so that cooker reaches designing requirement.
Certainly, the present invention is not limited to above-mentioned giving an example, the technical scheme that it will be apparent to those skilled in the art that in the situation that do not break away from the spirit or scope of the present invention, is made various modifications and is changed in claim of the present invention and be equal in the scope of replacement the present invention.
Claims (7)
1. composite pan bottom preparation method is characterized in that: it is corrosion resistant plate for aluminium alloy, intermediate layer that this composite pan bottom preparation process adopts inside and outside layer, and the preparation method mainly comprises the steps:
1) stretch, pot body body is stretched to certain altitude, height is relevant with the design model;
2) car the bottom of a pan step removes the bottom of a pan car to certain thickness, and shape and size and compound bottom sheet are complementary, and compound bottom sheet comprises stainless steel layer and aluminium alloy, and the thickness that car goes is relevant with the design model;
3) the compound bottom sheet point being welded in step 2) on the position gone of car, the aluminum alloy pan copy for the record or for reproduction body after car gone is as internal layer, and stainless steel layer and aluminium alloy are respectively as intermediate layer and skin, and three layers of spot welding are with the location;
4) hot strike-on, inside and outside aluminium alloy combines together strike-on layer and pot body by heating, strike-on, and the intermediate layer is enveloped, and the intermediate layer firmly is connected with inside and outside layer aluminium alloy heating strike-on, so that three layers is an overall structure;
5) the pot body is reprocessed, and the pot integrated machine is worked into shape and the size of design by extruding or spinning process;
6) according to the mach method of designing requirement remove the bottom of a pan behind the above-mentioned hot strike-on skin to expose the corrosion resistant plate in intermediate layer.
2. a kind of composite pan bottom preparation method according to claim 1 is characterized in that: step 2) in the thickness of compound bottom sheet aluminium alloy satisfy in step 4) can extend in the hot strike-on process to merge with aluminum alloy pan copy for the record or for reproduction body and envelope the intermediate layer.
3. a kind of composite pan bottom preparation method according to claim 1, it is characterized in that: step 4) in by the heating method, the part at the multiple end of needs is heated to 400～450 ℃, so that the aluminium alloy of inside and outside layer all is softening fusion state, the intermediate layer corrosion resistant plate coated fully be clamped in the inside and outside layer aluminium alloy, carry out strike-on 1～2s with 1500～1600T friction press again, make three layers to be combined into one securely.
4. a kind of composite pan bottom preparation method according to claim 1 is characterized in that: step 6) in the subregion in the outer corresponding intermediate layer fallen of car, the corrosion resistant plate in the middle of satisfying is still by outer remainder and internal layer the bottom of a pan coating itself.
5. a kind of composite pan bottom preparation method according to claim 4 is characterized in that: adopt shape of threads or the outer field aluminium alloy in the ring-type car the bottom of a pan processed, the corrosion resistant plate that exposes core is with as magnetic layer.
An employing arbitrary such as claim 1-5 as described in preparation method's composite pan bottom, it is characterized in that: the bottom of a pan comprises inside and outside two-layer aluminium alloy and the corrosion resistant plate in intermediate layer, the inside and outside two-layer intermediate layer that envelopes, outer car falls the subregion to expose corrosion resistant plate.
7. composite pan bottom according to claim 6 is characterized in that: the trade mark of described inside and outside layer aluminium alloy is F3003 or 3004, and the trade mark of intermediate layer corrosion resistant plate is SUS430 or 409.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2012100721519A CN103300738A (en) | 2012-03-16 | 2012-03-16 | Composite pot bottom preparation method and composite pot bottom |
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| CN2012100721519A CN103300738A (en) | 2012-03-16 | 2012-03-16 | Composite pot bottom preparation method and composite pot bottom |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103565260A (en) * | 2013-11-22 | 2014-02-12 | 浙江万生厨具有限公司 | Method for producing novel aluminum alloy hot-forged and hot-pressed bottom-covered non-stick pan |
| CN105615623A (en) * | 2016-03-31 | 2016-06-01 | 珠海格力电器股份有限公司 | Pot body for electromagnetic heating pot |
| CN106271163A (en) * | 2016-08-31 | 2017-01-04 | 新兴县先丰不锈钢制品有限公司 | A kind of automatic spot-welding device of pan composite base |
| CN106466116A (en) * | 2015-08-14 | 2017-03-01 | 肇庆市天宇进出口贸易有限公司 | A kind of automatic constant-temperature pan |
| CN109497814A (en) * | 2018-11-30 | 2019-03-22 | 珠海优特智厨科技有限公司 | The manufacturing method of compound pot |
| CN111728491A (en) * | 2019-03-25 | 2020-10-02 | 佛山市顺德区美的电热电器制造有限公司 | Pot body with composite bottom, manufacturing method thereof and cooking utensil using pot body |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2897089Y (en) * | 2006-03-08 | 2007-05-09 | 胡志明 | Universal composite-board pressure cooker |
| CN101006902A (en) * | 2006-01-27 | 2007-08-01 | 胡志明 | A cooking utensil having brass composite plate and its processing method |
| CN101006901A (en) * | 2006-01-27 | 2007-08-01 | 胡志明 | A cooking utensil having double bottoms and its processing method |
| CN101006900A (en) * | 2006-01-27 | 2007-08-01 | 胡志明 | A cooking utensil having three-layered composite plate fitting for various stoves and its processing method |
| WO2011064455A1 (en) * | 2009-11-26 | 2011-06-03 | Iittala Group Oy Ab | Cooking vessel applicable for induction heating and method for manufacturing thereof |
-
2012
- 2012-03-16 CN CN2012100721519A patent/CN103300738A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101006902A (en) * | 2006-01-27 | 2007-08-01 | 胡志明 | A cooking utensil having brass composite plate and its processing method |
| CN101006901A (en) * | 2006-01-27 | 2007-08-01 | 胡志明 | A cooking utensil having double bottoms and its processing method |
| CN101006900A (en) * | 2006-01-27 | 2007-08-01 | 胡志明 | A cooking utensil having three-layered composite plate fitting for various stoves and its processing method |
| CN2897089Y (en) * | 2006-03-08 | 2007-05-09 | 胡志明 | Universal composite-board pressure cooker |
| WO2011064455A1 (en) * | 2009-11-26 | 2011-06-03 | Iittala Group Oy Ab | Cooking vessel applicable for induction heating and method for manufacturing thereof |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103565260A (en) * | 2013-11-22 | 2014-02-12 | 浙江万生厨具有限公司 | Method for producing novel aluminum alloy hot-forged and hot-pressed bottom-covered non-stick pan |
| CN103565260B (en) * | 2013-11-22 | 2016-01-27 | 浙江万生厨具有限公司 | A kind of novel alloy aluminium and forge hot cover the production method of end non-stick pan |
| CN106466116A (en) * | 2015-08-14 | 2017-03-01 | 肇庆市天宇进出口贸易有限公司 | A kind of automatic constant-temperature pan |
| CN105615623A (en) * | 2016-03-31 | 2016-06-01 | 珠海格力电器股份有限公司 | Pot body for electromagnetic heating pot |
| CN105615623B (en) * | 2016-03-31 | 2017-12-05 | 珠海格力电器股份有限公司 | A kind of pot for electromagnetic heating type pan |
| CN106271163A (en) * | 2016-08-31 | 2017-01-04 | 新兴县先丰不锈钢制品有限公司 | A kind of automatic spot-welding device of pan composite base |
| CN106271163B (en) * | 2016-08-31 | 2018-09-25 | 新兴县先丰不锈钢制品有限公司 | A kind of automatic spot-welding device of cookware composite base |
| CN109497814A (en) * | 2018-11-30 | 2019-03-22 | 珠海优特智厨科技有限公司 | The manufacturing method of compound pot |
| CN111728491A (en) * | 2019-03-25 | 2020-10-02 | 佛山市顺德区美的电热电器制造有限公司 | Pot body with composite bottom, manufacturing method thereof and cooking utensil using pot body |
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