CN104625596A

CN104625596A - Method for making fast heat conduction pot body

Info

Publication number: CN104625596A
Application number: CN201310568032.7A
Authority: CN
Inventors: 高耀宗
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-11-14
Filing date: 2013-11-14
Publication date: 2015-05-20

Abstract

The invention relates to a method for manufacturing a quick heat-conducting pan body, which mainly combines a heat-conducting disc at the bottom of a metal (stainless steel) pan body and combines the heat-conducting disc with the pan body by using a friction welding or friction punching machine to form the non-planar or modeling heat-conducting disc.

Description

The preparation method of quick conductive pot body

Technical field

The present invention relates to a kind of preparation method of quick conductive pot body, it utilizes friction welding or friction punch press pot body and a heat conducting disk to be combined into one, and forms heat conducting disk that is non-planar or tool moulding, and heat conducting disk and pot body are firmly linked, and can not come off.

Background technology

Usually, generally traditional frying pan, slaughterhouse or teapot can be positioned on gas oven, and heat bottom of pot body by burning things which may cause a fire disaster, with the food materials in cooking pot or water, and pan mostly on the market is metal (stainless steel) goods, so heat transfer efficiency is poor and uneven, so the time that need consume a large amount of gas and boil, food materials could be boiled or rolled by poach, service efficiency is poor.

Therefore, for accelerating the thermal conductivity of pot body 10 to reduce the consumption of gas, refer to shown in Fig. 1, heating plate 101 is provided with bottom pot body 10, it forms for the different material metallic combination of multilayer, mainly because of aluminium is the splendid metal of heat conduction but cannot directly with pot body 10(stainless steel) be directly combined, so heating plate 101 skin is stainless steel, internal layer is coated aluminium sheet then, although the heat-conducting effect that aluminium sheet tool is splendid (being about stainless 10 times), but burning things which may cause a fire disaster first heats the stainless steel of bottom, resume the stainless steel being directed at top layer through aluminium sheet is follow-up again, once heating plate 101 is through stainless steel, aluminium, after stainless conduction layer by layer, the usefulness of heating plate 101 is had a greatly reduced quality, make conductive performance not good, use quite undesirable.In addition, heating plate 101 is tabular, and its surface is smooth flat, so it is solid on the mould of friction heat sealing machine heating plate 101 cannot to be pulled, therefore, is not combined by friction welding mode with pot body 10.

In addition, the commercially available pot body 1 having a kind of fast heating, refer to shown in Fig. 2, for the schematic diagram of conventional heater, it is provided with and heats dish 11 bottom pot body 1, and to heat dish 11 be a disk channel-shaped, and burnishing surface is connected with pot body 1 bottom surface, if when heating dish 11 for two-sided smooth shape, combine by friction punch press and pot body 1, but heat dish 11 bottom surface smooth time conducting effect poor.Thus improve, by heating on dish 11, several are set by the sheet metal 111 of center to the different length of external diffusion, it radially arranges, for preventing the excesssive gap of end, the sheet metal 112 and 113 of different length is respectively arranged with in this gap, sheet metal 111,112 and 113 is fixed by recycling soldering 43 (high frequency waves), outer shroud side is made to be formed with several through hole 110, the dish 11 that heats of this improvement has several sheet metals 111,112 and 113, and friction punch press cannot be utilized to make.

Secondly, the making heating dish 11 must first by each sheet metal 111, 112 and 113 arrange, and utilize soldering 43 to make sheet metal 111, 112 and 113 heat dish 11 to form with trying to get to the heart of a matter to engage, then equally carry out heating combination bottom dish 11 and pot body 1 by soldering 43, so production process very time and effort consuming, not only to yield poorly and whole economic efficiency is not good, especially this pot of body 1 with heat dish 11 and only utilize soldering 43 to link, therefore intensity is poor, as long as collision will come off slightly, will cause to heat and depart from bottom dish 11 and pot body 1 and damage, cause spoilage high, and when being heated to uniform temperature, this sheet metal 111, 112 and 113 easily produce torsional deformation, cause heating dish 11 uneven and cannot use, service life is short and practicality is not good.

Summary of the invention

The present invention relates to a kind of preparation method of quick conductive pot body, bottom of pot body and heat conducting disk are combined into one mainly through friction welding or friction punch press technology by it.Wherein, this pot of body is metal (stainless steel) material, this heat conducting disk is then aluminum material, when use friction welding in conjunction with time, this heat conducting disk is precast with several projection or groove in advance, so that by clamping for this heat conducting disk on mould, and this pot of body also presss from both sides to pull and is fixed on corresponding mould, then control this heat conducting disk to rotate, and push it against this pot of body and produce high temperature and hot melt (600 ~ 700 degree about Celsius) by friction, now this bottom of pot body (stainless steel) does not reach fusing point, but utilize this high temperature that this bottom of pot body surface can be made to soften and make pore expand, now control this heat conducting disk stop operating and recess this bottom of pot body, this heat conducting disk and this bottom of pot body is made to produce a segment distance, again by this heat conducting disk moment this bottom of pot body of high speed stamping to forge, this heat conducting disk and this bottom of pot body are combined into one, reach fusion instantaneously and come off never, in addition, also friction punch press mode can be utilized to carry out one-body molded, it first utilizes spot welding this bottom of pot body and aluminium sheet to be located, prevent displacement, then carry out soldering (high frequency waves) this bottom of pot body and this aluminium sheet to be preheated to more than 400 DEG C and to make it softening but not hot melt, again this pot of softening body and this aluminium sheet are moved on the counterdie of board, namely make this bottom of pot body and this aluminium sheet frictional engagement by moment spiral pressurization, the projection pre-set or raised line are molded directly within this aluminium sheet simultaneously and are a nonplanar heat conducting disk in mould.

The present invention is by pre-for heat conducting disk type casting moulding and have several projection or groove, therefore heat conducting disk folder can be pulled on the mould being fixed on friction heat sealing machine, to carry out the joined integrally of pot body and heat conducting disk; Also friction punch press can be utilized to be struck out with aluminium sheet integrally fast by pot body, and the projection pre-set in mould or raised line be molded directly within this aluminium sheet simultaneously and be this heat conducting disk nonplanar, the traditional bottom of pot body of certain improvement heat the disappearance that dish easily comes off or be out of shape, make pot body and heat conducting disk integrator, so intensity is excellent, can not depart from because of collision, service life is extremely long.

Below in conjunction with accompanying drawing, the invention will be further described.

Accompanying drawing explanation

Fig. 1 is the schematic diagram of conventional heater;

Fig. 2 is the schematic diagram of another conventional heater;

Fig. 3 is that the present invention rubs the flow chart of welding preparation process;

Fig. 4 is the flow chart that another embodiment of the present invention utilizes friction punch press processing procedure;

Fig. 5 is the schematic diagram that the present invention utilizes the combination of friction heat sealing machine;

Fig. 6 is the fixing figure that the present invention utilizes the combination of friction heat sealing machine;

Fig. 7 is the application drawing that the present invention utilizes the combination of friction heat sealing machine;

Fig. 8 is the schematic diagram of heat conducting disk of the present invention.

Description of reference numerals: 1,3,10-pot body; 101-heating plate; 11-heats dish; 110-through hole; 111,112,113-sheet metal; 30-bottom of pot body; 31-heat conducting disk; 310-aluminium sheet; 311-heats annulated column; 312-cannelure; 4-rubs heat sealing machine; 40-mould; 41-mould; 42-rotating seat; 420-jaw; 43-soldering; 44-high speed stamping; 5-is one-body molded; 50-High Rotation Speed; 51-forges; 52-finished product.

Detailed description of the invention

Be below embodiment and test data etc. thereof, but content of the present invention is not limited to the scope of these embodiments.

First, refer to shown in Fig. 3, for the present invention rubs the flow chart of welding preparation process, pot body is the frying pan of metal (stainless steel), slaughterhouse or teapot, and heat conducting disk 31 is aluminum material and first pre-type casting moulding, make that heat conducting disk 31 has several raised line or groove, and can for being positioned over the upper Fast Heating of stove fire (gas oven), the heat conduction of effective lifting pot body, when carrying out the friction welding of bottom of pot body 30 and heat conducting disk 31, first bottom of pot body 30 and heat conducting disk 31 being pressed from both sides respectively to pull to be fixed on rubs on the mould 41 of heat sealing machine, and heat conducting disk 31 is pre-formed with several raised line or groove, and non-planar and can firmly by clamping for heat conducting disk 31 on mould 41, then heat conducting disk 31 High Rotation Speed 50 is controlled, push heat conducting disk 31 to bottom of pot body 30 again, the hot melt (about 600 ~ 700 DEG C) by friction generation high temperature, now bottom of pot body 30 (stainless steel) does not reach fusing point, but utilize this high temperature that bottom of pot body 30 surface can be made to soften and make pore expand, then the mould 41 of heat conducting disk 31 stopped operating and recess bottom of pot body 30, heat conducting disk 31 and bottom of pot body 30 is made to produce a segment distance, control heat conducting disk 31 high speed stamping again and shift to bottom of pot body 30, make heat conducting disk 31 infiltrate bottom of pot body 30 instantaneously and be combined to forge 51 modes with bottom of pot body 30, and can by bottom of pot body 30 and heat conducting disk 31 one-body molded 5, thus bottom of pot body 30 and heat conducting disk 31 are fused into one and comes off never.

Secondly, shown in Fig. 4, for another embodiment of the present invention utilizes the flow chart of friction punch press processing procedure, this pot of body is metal (stainless steel), can be frying pan, slaughterhouse or teapot, aluminium sheet 310, be available for the upper heating of stove fire (gas oven), by accelerating the thermal conductivity of pot body, its preparation process can not displacement for first bottom of pot body 30 and aluminium sheet 310 spot welding 42 being made it locate, recycling soldering (high frequency waves) 43 carries out the preheating of bottom of pot body 30 and aluminium sheet 310, temperature is made to reach more than 400 DEG C, bottom of pot body 30 and aluminium sheet 310 surface is impelled to soften, inserted the mould 40 on friction punch press board again, and to be produced with screw type high speed stamping 44 by mould 40 and expand friction instantaneously, bottom of pot body 30 and aluminium sheet 310 are combined into one, the intrinsic moulding of mould 40 is utilized to make straight forming on aluminium sheet 310 have the projection or raised line pre-set, and form a heat conducting disk, namely by friction punch press finished product 52 that pot body and heat conducting disk are combined into one fast, and its intensity is splendid, also can not come off even if be hit, service life is extremely long, and projection in this heat conducting disk or raised line can pre-set moulding, and can be shaping in the lump when friction punch press.

Then, about pot body 3 and heat conducting disk 31 utilize the combination of the welding that rubs, shown in Fig. 5, pot body 3 folder is pulled fixing by the mould 41 on the board of this friction heat sealing machine 4, the rotating seat 42 of corresponding end then utilize jaw 420 heat conducting disk 31 is pressed from both sides location of pulling (cooperation is consulted shown in Fig. 6), and heat conducting disk 31 has several raised line or groove, jaw 420 can be opened outward and pull admittedly, and make heat conducting disk 31 and pot body 3 produce spacing, then heat conducting disk 31 High Rotation Speed is controlled, push it against bottom of pot body 30 again, the hot melt (about 600 ~ 700 DEG C) by friction generation high temperature, now bottom of pot body 30 (stainless steel) does not reach fusing point, but utilize this high temperature that bottom of pot body 30 surface can be made to soften and make pore expand, then the mould 41 of heat conducting disk 30 stopped operating and recess bottom of pot body 30, heat conducting disk 30 and bottom of pot body 30 is made to produce a segment distance, control heat conducting disk 31 high speed stamping again and shift to bottom of pot body 30(as shown in Figure 7), make it in forging mode, heat conducting disk 31 be infiltrated bottom of pot body 30 instantaneously to combine, and bottom of pot body 30 and heat conducting disk 31 can be made just as one-body molded, do not have the possibility come off completely.

About the structure of heat conducting disk 31, shown in Fig. 8, for the schematic diagram of heat conducting disk 31 of the present invention, heat conducting disk 31 is aluminum material, and the projection moulding in heat conducting disk 31 can preset, carry out precasting again or utilize mould punching to be molded directly within heat conducting disk 31, and to be combined into one shape with pot body 3, and embodiments of the present invention heat conducting disk 31 precasting or punching press are had several heating annulated column 311, therefore the intensity of heat conducting disk 31 is splendid is not subject to collision and comes off or heat distortion, service life is extremely long, be positioned between each layer heating annulated column 311 and form several cannelure 312, and in outermost layer be closed, also skin can not be closed, all can promote the quick conductive of heat conducting disk 31, and heat conducting disk 31 is utilized the mode of friction welding or friction punch press and pot body is joined integrally is finished product, especially heat conducting disk 31 non-planar, and various different moulding can be set, not only save complicated process flow, more effectively save time and promote production capacity, very practical and tool progressive.

In sum, the present invention is by being precast with the heat conducting disk of projection or groove to carry out friction welding, and can be made into integration with pot body, or utilize mould to be combined with pot body in the punch press mode that rubs by aluminium sheet, all really, simplify complicated soldering (high frequency waves) step of tradition, and quality is better and can extend its service life, makes fraction defective near-zero, effectively reduce costs the practical and progressive effect of aobvious tool.

Above-described embodiment is only be described the preferred embodiment of the present invention; not scope of the present invention is limited; under not departing from the present invention and designing the prerequisite of spirit; the various distortion that those of ordinary skill in the art make technical scheme of the present invention and improvement, all should fall in protection domain that claims of the present invention determines.

Claims

1. A method for making a fast heat-conducting pot body, the heat-conducting pot body is mainly composed of a metal pot body and an aluminum heat-conducting plate, characterized in that: the heat-conducting plate is non-planar and pre-cast with several Protrusions or grooves are used for heating on the fire. The bottom of the pot body and the heat conduction plate are mainly clamped and fixed on the mold of the friction welding machine by friction welding. At the same time, the heat conduction plate is controlled to rotate, and then the heat conduction plate is pushed. To the bottom of the pot body, the non-planar heat conduction plate and the bottom of the pot body are thermally fused into one body by friction.

2. A method for making a fast heat-conducting pot body, the heat-conducting pot body is mainly composed of a metal pot body and an aluminum heat-conducting plate, characterized in that: the bottom of the pot body and the aluminum plate are first positioned by spot welding, and then brazed Welding for preheating, and put the heated and softened bottom of the pot body and the aluminum plate on the mold of the friction punching machine, and then generate instantaneous expansion friction through spiral high-speed stamping, and combine the bottom of the pot body and the aluminum plate into one , so that the aluminum plate is directly formed into a non-planar heat conduction plate, and has pre-set protrusions or ridges.