CN101828853B - Manufacturing process of concave-convex magnetic conducting pots - Google Patents
Manufacturing process of concave-convex magnetic conducting pots Download PDFInfo
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- CN101828853B CN101828853B CN2009100967254A CN200910096725A CN101828853B CN 101828853 B CN101828853 B CN 101828853B CN 2009100967254 A CN2009100967254 A CN 2009100967254A CN 200910096725 A CN200910096725 A CN 200910096725A CN 101828853 B CN101828853 B CN 101828853B
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Abstract
The invention relates to a manufacturing process of concave-convex magnetic conducting pots. The manufacturing process is characterized by comprising the following steps of: materials preparing: primarily processing a magnetic conducting plate and an aluminum plate, wherein the blank of the aluminum plate is punched into a plurality of blocks, one block is a circular aluminum plate, and the other blocks are circular aluminum plates; primarily assembling the magnetic conducting plate and the aluminum plate: preliminary combination of the magnetic conducting plate and the aluminum plate: placing the magnetic conducting plate and the aluminum plate on a concave-convex mould, and punching; assembly of a pot body, the magnetic conducting plate and the aluminum plate: placing the primarily assembled magnetic conducting plate and the aluminum plate in a positioning hole at the bottom of the pot body, carrying out spot welding by a spot welder, and fixing the magnetic conducting plate and the aluminum plate at the pot bottom to form an assembly pot body; and heating of the assembly pot body: immediately fixing the assembly pot body on a redriving machine after being taken out of a high-temperature tunnel furnace, and carrying out high-speed redriving and punching on the assembly pot body by a redriving mould. The magnetic conducting pot manufactured by the process has firm compounding with the pot bottom, the aluminum plate and the magnetic conducting plate and is difficult to deform.
Description
Technical field
The present invention relates to a kind of magnetic conduction pot production process, refer to a kind of manufacturing process of concave-convex magnetic conducting pots especially.
Background technology
The magnetic conduction pot because energy-conservation, heating is fast, uses more and more general now.Existing magnetic conduction pot manufacture craft is divided into following four kinds;
One, the multiple end cold extrusion manufacturing technology of hydraulic press, this technology adopts aluminium sheet stretching pot body or aluminium compression casting pan body, be shaped on several circular holes on the magnetic conductive board in advance, each circular hole has the flange of 1.0mm height, each circular hole area sum accounts for half of the magnetic conductive board gross area, magnetic conductive board is placed directly in a pot body bottom center position, uses the large hydraulic press cold extrusion, and the magnetic conductive board flange is pressed into the bottom of a pan.The circular hole flange is gone into the bottom of a pan at the sagging vertical compression of large hydraulic press effect, and flange produces distortion, resilience, and its part that is pressed into the bottom of a pan is about 0.3mm～0.5mm, is subjected to factor affecting such as high temperature expansion, and magnetic conductive board comes off easily; Because be cold extrusion, mainly riveted joint produces firmness by the circular hole flange, and magnetic conductive board planar section and the bottom of a pan flooring do not interpenetrate, and do not possess compound sticking; The direct plane contact in the magnetic conductive board notching edge and the bottom of a pan is exposed magnetic conductive board otch section, is subjected to factor affecting such as water, high temperature, salt, and perk easily produces the gap, and after the infiltration, erosional surface is satisfied step expansion, causes magnetic conductive board to come off; This magnetic conduction pot the bottom of a pan is thinner, and compounded magnetic conductive board touches behind the high temperature can produce deformation, and the bottom of a pan magnetic conductive board deformation pulling force that never can resist causes distortion at the bottom of the whole cooker, so that can not use on electromagnetic oven.
Two, cold extruding technique of the multiple end of the columned hydraulic press of the bottom of a pan band, this technology adopts aluminium compression casting pan body, bottom of pot body is shaped on some cylinders, correspondingly magnetic conductive board is shaped on some circular holes, each circular hole has the flange of 1.0mm height, each circular hole area sum accounts for half of the magnetic conductive board gross area, circular hole size and quantity match with the bottom of a pan cylinder, after described circular hole directly is inserted in the bottom of a pan cylinder, cold extrusion is described cylinder crimp on large hydraulic press, as rivet with the magnetic conductive board riveting in the bottom of a pan.Because be cold extrusion, mainly riveted joint produces firmness by the circular hole flange, and magnetic conductive board planar section and the bottom of a pan flooring do not interpenetrate, and do not possess compound sticking; The direct plane contact in the magnetic conductive board notching edge and the bottom of a pan is exposed magnetic conductive board otch section, is subjected to factor affecting such as water, high temperature, salt, and perk easily produces the gap, and after the infiltration, erosional surface is satisfied step expansion, causes magnetic conductive board to come off.
Three, manufacturing technology of the multiple end of the heating of high speed strike-on machine, this technology adopts aluminium compression casting pan body, magnetic conductive board is shaped on some circular holes, each circular hole has the flange of 1.0mm height, and each circular hole area sum accounts for half of the magnetic conductive board gross area, and magnetic conductive board is placed directly on the plane, the bottom of a pan, the bottom of a pan heated its hardness is reduced, then, the magnetic conductive board flange is pressed into the bottom of a pan, and makes magnetic conductive board plane and the bottom of a pan face produce certain cementability with punching press on the high speed strike-on machine.Circular hole flange part is pressed into the bottom of a pan with vertical mode, adds deformation, factors such as resilience, and the part that is pressed into the bottom of a pan is about 0.5mm, meets high temperature expansion magnetic conductive board and comes off easily.The aluminium die-casting material is rigid, and the magnetic conductive board material also is rigid, and two hard materials through the high speed strike-on, though certain cohesive is arranged, interpenetrate factor affecting such as not enough, a chance high temperature, easily break away from the bottom of a pan.The direct plane contact in the magnetic conductive board otch section and the bottom of a pan is exposed magnetic conductive board otch section, is subjected to factor affecting such as water, high temperature, salt, and perk easily produces the gap, and after the infiltration, erosional surface is satisfied step expansion, causes magnetic conductive board to come off.
Four, the manufacturing technology of the multiple end of heating of the high speed strike-on machine of folder aluminium sheet, this technology adopts the stainless-steel pan body, magnetic conductive board is the flat board of a not perforate, establish one deck aluminium sheet between the bottom of a pan and the magnetic conductive board, after magnetic conductive board, aluminium sheet and the bottom of a pan point are welded into one, through high temperature heating once property drawing on high speed strike-on machine, aluminium sheet, the bottom of a pan and magnetic conductive board interpenetrate and bonding.Magnetic conductive board otch section contacts with the bottom of a pan, relies on magnetic conductive board oral area edge to withstand side, the bottom of a pan, exposes magnetic conductive board otch section, can produce infiltration, the corrosivity in step takes place to satisfy, be subjected to factor affecting such as high temperature expansion, corrosion, the easy perk in magnetic conductive board edge is so that magnetic conductive board comes off.Compound two layer materials in the bottom of a pan do not have air discharge duct, interior easily knot air, and face is easily bubbled once the high temperature the bottom of a pan, and yield rate is not high.
Summary of the invention
The technical problem to be solved in the present invention is: at the problem that existing magnetic conduction pot manufacture craft exists, provide a kind of magnetic conductive board and the bottom of a pan compound firm and do not allow yielding manufacturing process of concave-convex magnetic conducting pots.
Design of the present invention is: manufacturing process of concave-convex magnetic conducting pots is characterized in that may further comprise the steps:
A, get the raw materials ready, magnetic conductive board and aluminium sheet preliminary working, wherein aluminium sheet piece material is washed into some, and wherein one is circular aluminium sheet, and other piece is the annulus aluminium sheet;
B, magnetic conductive board and aluminium sheet prepackage, magnetic conductive board and aluminium sheet are combined in advance, then are placed on to carry out punching press on the male and female mold;
C, pot body and magnetic conductive board, aluminium sheet general assembly will be pre-installed all-in-one-piece magnetic conductive board and aluminium sheet and be placed in the bottom of pot body locating hole, then carry out spot welding with mash welder, and magnetic conductive board and aluminium sheet are pre-fixed at the bottom of a pan formation general assembly pot body;
The heating of d, general assembly pot body is put into a high temp tunnel stove with general assembly pot body and is heated and make its temperature remain on 390～410 ℃;
E, general assembly pot body strike-on, general assembly pot body one go out the high temp tunnel stove and promptly are fixed on the strike-on machine and with the strike-on mould it are carried out the punching press of high speed strike-on.
Compare with prior art, the invention has the beneficial effects as follows: the convex surface of strike-on upper mould matches with magnetic conductive board flange hole, through the punching press of high speed strike-on, the flange part all can be inserted in the aluminium sheet, and the flange insertion portion can not bounce back, resilience, and insertion depth is many.Compound firmly through the magnetic conduction pot the bottom of a pan that above-mentioned operation is made and magnetic conductive board, aluminium sheet.Because magnetic conduction pot finished product bottom therebetween one deck aluminium sheet, aluminium sheet is soft, and is together bonding mutually its both sides material through the high speed strike-on of heating, and plays the compound whole effect that is.Aluminium sheet has increased the bottom of a pan thickness, strengthens the intensity at the bottom of the whole cooker simultaneously, can resist magnetic conductive board and be subjected to the distortion pulling force that high temperature deformation brings, it is indeformable to be heated, and the bottom of a pan is heated evenly, and food is not stuck with paste at the end, also can coalescent heat in the bottom of a pan, the food temperature retention time is prolonged.Aluminium sheet is divided into three recombinants earlier, and two astragal shape air discharge ducts are formed on magnetic conduction pot finished product bottom, can discharge the air between the aluminium sheet and the bottom of a pan, and guaranteeing does not have air in the interlayer, and aluminium sheet and the bottom of a pan cohesive are better.Magnetic conductive board flange height is 2.0mm, and the flange section inserts in the aluminium sheet tissue, avoids the corrosion of pollutant.
Description of drawings
Fig. 1 is a process chart of the present invention;
Fig. 2 is magnetic conductive board structure chart among the present invention;
Fig. 3 is aluminium sheet exploded view among the present invention;
Fig. 4 is male and female mold structure chart among the present invention;
Fig. 5 is magnetic conductive board and aluminium sheet installation diagram among the present invention;
Fig. 6 is magnetic conductive board and the punching structure figure of aluminium sheet in male and female mold among the present invention;
Fig. 7 is magnetic conductive board among the present invention and aluminium sheet prepackage figure;
Fig. 8 is the installation diagram of magnetic conductive board among the present invention and aluminium sheet prepackage back and pot body;
Fig. 9 is pot body and magnetic conductive board, aluminium sheet general assembly drawing among the present invention;
Figure 10 is the structure chart of strike-on upper mould among the present invention;
Figure 11 is strike-on state diagram among the present invention;
Figure 12 is for to make the finished product stereogram through the present invention.
The specific embodiment
As shown in Figure 1, manufacturing process of concave-convex magnetic conducting pots may further comprise the steps: a, get the raw materials ready magnetic conductive board and aluminium sheet preliminary working; B, magnetic conductive board and aluminium sheet prepackage; C, pot body and magnetic conductive board, aluminium sheet general assembly; D, the heating of general assembly pot body; E, general assembly pot body strike-on.
Get the raw materials ready magnetic conductive board and aluminium sheet preliminary working: as shown in Figure 2, be that the magnetic conduction plate material punching press of 0.6mm is made and had unified magnetic conductive board 2 towards flange 1 with punch press with thickness, the flange height is 2mm.Magnetic conduction plate material can strike out the magnetic conductive board 2 with different shape flange hole 3, in the present embodiment, and the slightly triangular in shape or rectangle in flange hole 3.The magnetic conductive board that is stamped to form needs the oil removing oven dry.As shown in Figure 3, be that the aluminium sheet piece material of 1.5mm is washed into three with punch press with thickness, wherein one is circular aluminium sheet 4, two is little, a large circle aluminium sheet 5,6 in addition.Also need aluminium sheet 4,5,6 oil removings are dried.
Magnetic conductive board and aluminium sheet prepackage: as shown in Figure 4, magnetic conductive board 2 has one of flange to face up, and circular aluminium sheet 4 and annulus aluminium sheet 5,6 are positioned on the flange of magnetic conductive board 2 from inside to outside, and annulus aluminium sheet 6 does not exceed magnetic conductive board outer ring flange.As shown in Figure 5, one of magnetic conductive board 2 no flange face down, and magnetic conductive board 2 and aluminium sheet 4,5,6 are placed on the male and female mold 7 together.The upper surface outer ring of male and female mold 7 is provided with two curved flanges 8, is shaped on the boss 9 that matches with flange hole 3 in the flange 8, in the present embodiment, and the slightly triangular in shape or rectangle of boss 9.Male and female mold 7 is fixed on the punch press, and the punching press aluminium sheet make magnetic conductive board flange top embed aluminium sheet, but flange does not run through aluminium sheet, and magnetic conductive board and aluminium sheet are just pre-installed and be integral like this, shown in Fig. 6,7.
Pot body and magnetic conductive board, aluminium sheet general assembly: shown in Fig. 8,9, to pre-install all-in-one-piece magnetic conductive board and aluminium sheet is placed in pot body 15 bottom locating holes 14, aluminium sheet directly contacts with the bottom of a pan locating hole 14 surfaces, carry out spot welding with mash welder in the center 16 of aluminium sheet 4, magnetic conductive board and aluminium sheet are pre-fixed at the bottom of a pan formation general assembly pot body 10.
The heating of general assembly pot body: general assembly pot body 10 is bottom-up, put into a high temp tunnel stove, this high temp tunnel furnace temperature generally remains on 390～410 ℃.The high temp tunnel stove is constant in 400 ℃ in the present embodiment, and through heating after a while, the general assembly temperature of boiler is identical with the continuous tunnel furnace temperature, and the pot of general assembly at this moment body hardness reduces, and creates conditions for the magnetic conductive board flange penetrates aluminium sheet.
General assembly pot body strike-on: shown in Figure 10,11, the counterdie of strike-on mould is installed on the strike-on machine in advance, general assembly pot body 10 1 goes out the high temp tunnel stove, the bottom of a pan is fixed on the counterdie of strike-on mould up, then carry out the punching press of high speed strike-on with 13 pairs of general assembly pots of concavo-convex ventricumbent strike-on upper mould body 10, flange is all embedded in the aluminium sheet, disposablely finish the multiple end and make.Wherein strike-on upper mould 13 has the protuberance 11 that matches with magnetic conductive board flange hole, protuberance 11 enters the direct extrusion aluminum board in flange hole when strike-on, the aluminium material is pressed to the outside, and aluminium material extruding flange makes its whole sides instead to some directions, hook aluminium sheet, make flange and aluminium sheet merge one.Strike-on upper mould 13 surperficial outer toroid are entangled magnetic conductive board outer ring flange during strike-on, when the punching press of high speed strike-on, magnetic conductive board outer ring flange section part can be inserted in the bottom of a pan, aluminium material at the bottom of the while outer toroid extrusion cooker, make part aluminium material press to magnetic conductive board outer ring flange section, fill this part aluminium material deficiency, guarantee that magnetic conductive board outer ring flange section gos deep into not revealing section in the aluminium material.The concave surface of strike-on upper mould 13 is fixed the magnetic conductive board that exposes surface, the bottom of a pan, behind the high speed strike-on, guarantees that pattern is indeformable, surfacing.The convex surface of strike-on upper mould 13 matches with magnetic conductive board flange hole, through the punching press of high speed strike-on, the flange part all can be inserted in the aluminium sheet, and the flange insertion portion can not bounce back, resilience, and insertion depth is many.Compound firmly through the magnetic conduction pot the bottom of a pan that above-mentioned operation is made and magnetic conductive board, aluminium sheet.
As shown in figure 12, after the punching press of high speed strike-on, take out the strike-on mould, finish finished product 17 and make, the stereo concave-convex diagram shape promptly appears in the bottom of a pan.At last the bottom of a pan recess is sprayed and become to have color, projection sanding surface treatment forms the color contrast difference and widens, and the bottom of a pan figure has been realized third dimension, and is attractive in appearance, generous, exquisite.
Because magnetic conduction pot finished product bottom therebetween one deck aluminium sheet, aluminium sheet is soft, and is together bonding mutually its both sides material through the high speed strike-on of heating, and plays the compound whole effect that is.Aluminium sheet has increased the bottom of a pan thickness, strengthens the intensity at the bottom of the whole cooker simultaneously, can resist magnetic conductive board and be subjected to the distortion pulling force that high temperature deformation brings, it is indeformable to be heated, and the bottom of a pan is heated evenly, and food is not stuck with paste at the end, also can coalescent heat in the bottom of a pan, the food temperature retention time is prolonged.Aluminium sheet is divided into three recombinants earlier, and two astragal shape air discharge ducts are formed on magnetic conduction pot finished product bottom, can discharge the air between the aluminium sheet and the bottom of a pan, and guaranteeing does not have air in the interlayer, and aluminium sheet and the bottom of a pan cohesive are better.Magnetic conductive board flange height is 2.0mm, and the flange section inserts in the aluminium sheet tissue, avoids the corrosion of pollutant.
Claims (4)
1. manufacturing process of concave-convex magnetic conducting pots is characterized in that may further comprise the steps:
A, get the raw materials ready, magnetic conductive board and aluminium sheet preliminary working, wherein aluminium sheet piece material is washed into some, wherein one is circular aluminium sheet, other piece is the annulus aluminium sheet, with punch press the punching press of magnetic conduction plate material is made to have unified magnetic conductive board towards flange, and magnetic conductive board has different shape magnetic conductive board flange hole;
B, magnetic conductive board and aluminium sheet prepackage, magnetic conductive board and aluminium sheet are combined in advance, then are placed on to carry out punching press on the male and female mold;
C, pot body and magnetic conductive board, aluminium sheet general assembly will be pre-installed all-in-one-piece magnetic conductive board and aluminium sheet and be placed in the bottom of pot body locating hole, then carry out spot welding with mash welder, and magnetic conductive board and aluminium sheet are pre-fixed at the bottom of a pan formation general assembly pot body;
The heating of d, general assembly pot body is put into a high temp tunnel stove with general assembly pot body and is heated and make its temperature remain on 390～410 ℃;
E, general assembly pot body strike-on, general assembly pot body one goes out the high temp tunnel stove and promptly is fixed on the strike-on machine and with the strike-on mould it is carried out the punching press of high speed strike-on, the strike-on upper mould has the protuberance that matches with magnetic conductive board flange hole, protuberance enters the direct extrusion aluminum board in flange hole when strike-on, the aluminium material is pressed to the outside, aluminium material extruding flange makes its whole sides instead to some directions, hooks aluminium sheet, makes flange and aluminium sheet merge one.
2. manufacturing process of concave-convex magnetic conducting pots according to claim 1 is characterized in that described magnetic conductive board thickness is 0.5～0.7mm, and its flange height is 1.8～2.2mm, and aluminium plate thickness is 1.4～1.5mm.
3. manufacturing process of concave-convex magnetic conducting pots according to claim 1, the upper surface outer ring that it is characterized in that described male and female mold is provided with two curved flanges, be shaped on the boss that matches with magnetic conductive board flange hole in the flange, magnetic conductive board of combining in advance and aluminium sheet are placed on the male and female mold, the punching press aluminium sheet makes magnetic conductive board flange top embed aluminium sheet but does not run through aluminium sheet.
4. manufacturing process of concave-convex magnetic conducting pots according to claim 1, aluminium sheet directly contacts with the bottom of a pan locating hole surface when it is characterized in that spot welding.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100967254A CN101828853B (en) | 2009-03-13 | 2009-03-13 | Manufacturing process of concave-convex magnetic conducting pots |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009100967254A CN101828853B (en) | 2009-03-13 | 2009-03-13 | Manufacturing process of concave-convex magnetic conducting pots |
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| CN101828853A CN101828853A (en) | 2010-09-15 |
| CN101828853B true CN101828853B (en) | 2011-12-14 |
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| CN2009100967254A Expired - Fee Related CN101828853B (en) | 2009-03-13 | 2009-03-13 | Manufacturing process of concave-convex magnetic conducting pots |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015042948A1 (en) * | 2013-09-25 | 2015-04-02 | 广东万事泰集团有限公司 | Energy-saving composite pot bottom and manufacturing process thereof |
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| CA3110802C (en) * | 2013-03-15 | 2023-05-23 | All-Clad Metalcrafters Llc | Cookware with selectively bonded layers |
| CN104605746B (en) * | 2015-01-04 | 2017-07-07 | 河南科技大学 | A kind of composite pot tool, preparation method and mould |
| CN106624662A (en) * | 2017-01-25 | 2017-05-10 | 李振羽 | Preparation method for compound bottom electromagnetic pot and isolated plate and electromagnetic pot |
| CN109008576B (en) * | 2017-06-09 | 2024-03-15 | 浙江天喜厨电股份有限公司 | Novel electric heating pot and composite stamping process |
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| CN2801009Y (en) * | 2005-04-08 | 2006-08-02 | 周赛方 | Pot with compound bottom |
| CN2922703Y (en) * | 2006-05-15 | 2007-07-18 | 浙江苏泊尔炊具股份有限公司 | Casted-aluminium cooking untensil used for electromagnetic oven |
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2009
- 2009-03-13 CN CN2009100967254A patent/CN101828853B/en not_active Expired - Fee Related
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|---|---|---|---|---|
| CN1112409A (en) * | 1994-04-15 | 1995-11-29 | 维斯塔公司 | Pot-shaped cooking and/or boiling appliance |
| CN1780705A (en) * | 2003-08-27 | 2006-05-31 | J.A.亨克利斯两合股份有限公司 | Method for producing cookware, in particular a pot, pan or similar and cookware produced according to said method |
| CN2801009Y (en) * | 2005-04-08 | 2006-08-02 | 周赛方 | Pot with compound bottom |
| CN101006901A (en) * | 2006-01-27 | 2007-08-01 | 胡志明 | A cooking utensil having double bottoms and its processing method |
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Non-Patent Citations (1)
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2015042948A1 (en) * | 2013-09-25 | 2015-04-02 | 广东万事泰集团有限公司 | Energy-saving composite pot bottom and manufacturing process thereof |
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