CN103549873B - A kind of die casting double-bottom cooking utensil and preparation method thereof - Google Patents
A kind of die casting double-bottom cooking utensil and preparation method thereof Download PDFInfo
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- CN103549873B CN103549873B CN201310559488.7A CN201310559488A CN103549873B CN 103549873 B CN103549873 B CN 103549873B CN 201310559488 A CN201310559488 A CN 201310559488A CN 103549873 B CN103549873 B CN 103549873B
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Abstract
The invention provides a kind of die casting double-bottom cooking utensil and preparation method thereof, belong to field of mechanical technique.It solve compound bottom sheet in existing composite bottom boiler body to be heated the problem being easily deformed or coming off.This die casting double-bottom cooking utensil and preparation method thereof, wherein this manufacture method comprises the following steps: A, making sheet metal；B, punching；C, flange；D, matched moulds；E, water cast aluminium water；F, the demoulding.This die casting double-bottom cooking utensil includes the uncovered body being made up of aluminum, there is on described body the chassis for heating, there is on described chassis the sheet metal of permeability magnetic material, there is on described sheet metal some connecting holes run through, above-mentioned chassis has the connecting portion of the above-mentioned connection hole of some embeddings and connecting portion and connecting hole one_to_one corresponding, has the interface arrangment that both can be made to be connected between described connecting hole and connecting portion.The advantages such as this die casting double-bottom cooking utensil has sheet metal to connect more firmly, difficult drop-off.
Description
Technical field
The invention belongs to field of mechanical technique, relate to a kind of double-bottom cooking utensil, particularly a kind of
Die casting double-bottom cooking utensil and preparation method thereof.
Background technology
At present, traditional pot uses aluminum material mostly, and aluminum is non-magnetic material
Material, so cannot use on electromagnetic stove.In order to make aluminum or other non-magnetics gold
Belong to cooker to be suitable on various stoves, be typically combined one layer in cookware base and have good
The sheet metal of magnetic property, such aluminum or other non-magnetic metal cooking appliances can be at electricity
Use on magnetic stove and can be suitable on other stoves.
As Chinese patent disclose a kind of rustless steel composite bottom boiler [application number:
200920050595.6；Notification number: CN201332943Y], it has composite bottom boiler body, multiple
End pot includes pot matrix, heat conduction interlayer and compound bottom sheet, pot matrix include pot wall and
The bottom of a pan, forms recess in the bottom of a pan, and heat conduction interlayer and compound bottom sheet are filled in recess successively.
Its simple in construction, welding processing is convenient, and compound bottom sheet is smooth with the bottom of a pan to be welded as a whole.
But, in use, compound bottom sheet can produce swollen above-mentioned rustless steel composite bottom boiler after being heated
Swollen phenomenon, and on compound bottom sheet and be not provided with the cushion space for compound bottom sheet resistance to deformation, lead
The center causing to produce after compound bottom sheet is heated serious deformation, especially compound bottom sheet even can go out
Now expand the phenomenon of bulge, thus and connection between the bottom of a pan gap occurs, can time serious
Compound bottom sheet obscission can be there will be.
Summary of the invention
It is an object of the invention to the problems referred to above existed for existing technology, it is proposed that one
Kind of sheet metal connects more firmly, the die casting double-bottom cooking utensil of difficult drop-off and preparation method thereof.
The purpose of the present invention can be realized by following technical proposal: cooks a meal in a kind of die casting multiple end
Tool, including the uncovered body being made up of aluminum, described body has for heating
Chassis, described chassis has the sheet metal of permeability magnetic material, it is characterised in that described
Having some connecting holes run through on sheet metal, above-mentioned chassis has the above-mentioned company of some embeddings
Connect the connecting portion at hole and connecting portion and connecting hole one_to_one corresponding, described connecting hole be connected
There is between portion the interface arrangment that both can be made to be connected.
During fabrication, sheet metal puts in die casting die casting to the chassis of body, gold
Belong to sheet die casting to after on chassis, the connecting hole of sheet metal and the connecting portion phase interworking on chassis
Merga pass interface arrangment is fixedly connected with, so that sheet metal is connected in the outer bottom on chassis,
The most also there is preferable bonding strength.
In above-mentioned die casting double-bottom cooking utensil, described interface arrangment includes inside connecting hole
The holding section protruded, described connecting portion matches with connecting hole.Protrude inside connecting hole
Holding section can be effectively prevented fracture, strengthens the company between sheet metal and the chassis of body
Connect intensity.
In above-mentioned die casting double-bottom cooking utensil, alternatively, described card access node
Structure is that the portlet of tapered connecting hole and connecting hole is towards inside body.
In above-mentioned die casting double-bottom cooking utensil, the edge of described sheet metal and connection nose end
There is at Kou the flange of protrusion, and flange is towards inside body.Connecting hole on sheet metal
Stamping forming by punch press, the most stamped after sheet metal will self-assembling formation convex
The flange gone out.
In above-mentioned die casting double-bottom cooking utensil, described holding section protrudes from connection ringwise
Hole sidewall.
In above-mentioned die casting double-bottom cooking utensil, the cross section of described holding section is triangular in shape.
Owing to easily occurring being connected between sheet metal and the chassis of body when connecting hole is straight hole
The problem of fracture, therefore arranges cross section on the sidewall inside connecting hole triangular in shape
Holding section can be effectively prevented fracture, enhances bonding strength.
In above-mentioned die casting double-bottom cooking utensil, described holding section is positioned in the middle part of connecting hole.
In above-mentioned die casting double-bottom cooking utensil, described sheet metal center has runs through its both sides
Hole, location.
In above-mentioned die casting double-bottom cooking utensil, edge, hole, described location has some protrusions
Location lobe.
In a mold by time in sheet metal die casting to the chassis of body, in order to prevent sheet metal
Press casting procedure swings, utilizes hole, location to match with mould, simultaneously by fixed
The location lobe that edge, hole, position protrudes can prevent sheet metal from swinging well.
In above-mentioned die casting double-bottom cooking utensil, described location lobe is equal centered by hole, location
Cloth.Location lobe is uniform centered by hole, location, and so when die casting, sheet metal stress is more
Adding average, molding effect is more preferable.
In above-mentioned die casting double-bottom cooking utensil, described location lobe is obliquely installed with sheet metal,
And location lobe is internal towards this.
Location lobe is obliquely installed with sheet metal and internal towards this, so connects when sheet metal
After on the chassis of body, location lobe produces a grip to chassis, the most firm
Bonding strength between sheet metal and the chassis of body.
In above-mentioned die casting double-bottom cooking utensil, between described location lobe and sheet metal, angle is
30°—70°。
In above-mentioned die casting double-bottom cooking utensil, described location lobe and sheet metal are integral type
Structure.Location lobe is integral type structure with sheet metal, simpler during making, convenient,
Provide cost savings and material simultaneously.
In above-mentioned die casting double-bottom cooking utensil, described sheet metal has along the edge of its circumference
Having some die casting breach, above-mentioned die casting breach is extended close to position hole by sheet metal edge
Place.Die casting breach can strengthen being connected firmly between sheet metal and the chassis of body equally
Property, meanwhile, when this die casting double-bottom cooking utensil uses, die casting breach can also be prevented effectively
Only sheet metal temperature distortion.
In above-mentioned die casting double-bottom cooking utensil, described die casting breach has the vice card of protrusion
Conjunction portion, described body has the secondary connecting portion matched with die casting breach and secondary connecting portion
With secondary holding section one_to_one corresponding, above-mentioned die casting breach matches with secondary connecting portion.Sheet metal
Die casting to after on the chassis of body, the secondary holding section of die casting indentation, there with on body secondary even
The portion of connecing matches, and also is able to equally strengthen the bonding strength between sheet metal and body.
In above-mentioned die casting double-bottom cooking utensil, the pair that described die casting indentation, there has protrusion is turned over
Limit, and secondary flange is towards inside body.Die casting breach is also stamping forming, therefore rushes
Die casting indentation, there after pressure also has the secondary flange of protrusion.
A kind of manufacture method of die casting double-bottom cooking utensil, the method comprises the following steps:
A, making sheet metal: sheared on the raw material of permeability magnetic material by common cut-out method
Go out discoid sheet metal blank；
B, punching: on sheet metal blank, stamp out some blank hole run through；
C, flange: by the blank hole that punch that its end is tapered is above-mentioned, through punching
Formed in above-mentioned blank hole after pressure and there is inside it connecting hole protruding holding section, and
The opposition side of sheet metal punching press side forms the flange protruded；
D, matched moulds: put into by sheet metal in mould, then fasten mould；
E, water cast aluminium water: inserting aluminum water in a mold, aluminum water fills the forming cavity in mould,
Above-mentioned sheet metal is positioned at the bottom of forming cavity, and the flange on sheet metal is upward；
F, the demoulding: after the aluminum water cooling molding in mould, open mould and obtain die casting again
End cooker.
In the manufacture method of above-mentioned die casting double-bottom cooking utensil, after described step B or
Before step B, sheet metal blank edge is carried out punching press, stamp out at sheet metal blank edge
Some die casting breach, above-mentioned die casting breach is extended close to position hole by sheet metal edge.
Die casting breach can strengthen the connectivity robustness between sheet metal and the chassis of body equally,
Meanwhile, when this die casting double-bottom cooking utensil uses, die casting breach can also be effectively prevented gold
Belong to sheet temperature distortion.
In the manufacture method of above-mentioned die casting double-bottom cooking utensil, to logical after described step C
Cross and match with die casting breach and its end has the drift of tapered slope in die casting indentation, there
Stamping out the secondary holding section of protrusion and secondary flange, secondary flange is positioned at the phase of sheet metal punching press side
Toss about.
In the manufacture method of above-mentioned die casting double-bottom cooking utensil, at mould in described step D
There is outside tool Magnet, will be located in the sheet metal in mould by Magnet and position.Due to gold
Belonging to sheet uses permeability magnetic material to make, and therefore arranges Magnet outside mould and can pass through magnetic force
Sheet metal is fixed.
In the manufacture method of above-mentioned die casting double-bottom cooking utensil, after described step B or
The hole, location run through is extruded at sheet metal centre punch, punching press location in this step before step B
The drift sidepiece in hole has recessed forming tank, is formed some after punching press inside hole, location
Location lobe.After stamping out location lobe inside hole, location, then the location lobe of part is carried out
Punching press makes it tilted towards body.
In the manufacture method of above-mentioned die casting double-bottom cooking utensil, in described step D in mould
Having locating dowel, the location borehole jack of above-mentioned sheet metal is in locating dowel.By sheet metal pressure
When casting onto on the chassis of body, first by sheet metal by positioning the borehole jack locating dowel at mould
On, thus sheet metal is fixed.
In the manufacture method of above-mentioned die casting double-bottom cooking utensil, to pressure after described step F
Carry out turnery processing bottom casting double-bottom cooking utensil, after processing, make sheet metal sidepiece be exposed to die casting
Bottom double-bottom cooking utensil.Certainly, in punch process by process difform hole can also
Make to have bottom die casting double-bottom cooking utensil different floral designs.
Compared with prior art, this die casting double-bottom cooking utensil and processing technology thereof have following excellent
Point:
1, sheet metal utilizes the hole, location of the center to be fixed in die casting, in die casting
Sheet metal firm position time on the chassis of body, position will not offset, sheet metal
Can die casting quickly and accurately on chassis；
2, the location lobe at edge, hole, location strengthens sheet metal further and is fixed on compression mod
Stability in tool, simultaneously in sheet metal die casting to chassis after, location lobe can be the end of to
Dish produces an absorption affinity so that sheet metal is firmly adsorbed on chassis, enhances gold
Belong to the connectivity robustness between sheet and chassis；
3, it is connected with on chassis by connecting hole after sheet metal is in die casting to the chassis of body
Portion is in mating connection, can not only strengthen the bonding strength between sheet metal and chassis, with
Time by showing that the holding section inside connecting hole can also eliminate that sheet metal comes off from chassis
As, increase the service life；
4, the die casting breach at sheet metal edge eliminates distortional stress when sheet metal is heated, anti-
Only sheet metal dilatancy, extends the service life of cooker.
Accompanying drawing explanation
Fig. 1 is the sectional structure schematic diagram of sheet metal in this die casting double-bottom cooking utensil.
Fig. 2 is the sectional structure schematic diagram of this die casting double-bottom cooking utensil.
Fig. 3 is the partial enlarged drawing in Fig. 2 at A-A.
Fig. 4 is the top view of sheet metal in this die casting double-bottom cooking utensil.
Fig. 5 is the perspective view of sheet metal in this die casting double-bottom cooking utensil.
In figure, 1, body；2, chassis；3, sheet metal；3a, flange；4, connect
Hole；5, connecting portion；6, holding section；7, hole, location；8, location lobe；9, die casting lacks
Mouthful；10, secondary holding section.
Detailed description of the invention
The following is the specific embodiment of the present invention and combine accompanying drawing, the technical side to the present invention
Case is further described, but the present invention is not limited to these embodiments.
As shown in Fig. 1 Fig. 5, a kind of die casting double-bottom cooking utensil, make including by aluminum
Uncovered body 1, body 1 has for heating chassis 2, chassis 2 has and leads
The sheet metal 3 of magnetic material.There is on sheet metal 3 some connecting holes 4 run through, chassis 2
There is the connecting portion 5 at some embedding connecting holes 4, connecting portion 5 and connecting hole 4 phase
Join and connecting portion 5 and connecting hole 4 one_to_one corresponding, connecting portion 5 and sheet metal 3 flush,
There is between connecting hole 4 and connecting portion 5 interface arrangment that both can be made to be connected, card access node
Structure includes the holding section 6 protruded inside connecting hole 4, and holding section 6 is positioned in connecting hole 4
The cross section of portion and holding section 6 is triangular in shape.In the present embodiment, due to sheet metal 3
It is that employing is stamping forming, therefore has at the edge of sheet metal 3 and connecting hole 4 port
There is a flange 3a of protrusion, and flange is towards inside body 1.
As it is shown in figure 5, sheet metal 3 center has the hole, location 7 running through its both sides, fixed
Edge, hole 7, position has the location lobe 8 of some protrusions, during location lobe 8 with hole 7, location is
The heart is uniform.Location lobe 8 is obliquely installed with sheet metal 3, and location lobe 8 is towards body 1
In, between location lobe 8 and sheet metal 3, angle is 30O 70O, and location lobe 8 is with golden
Belonging to sheet 3 is integral type structure.In the present embodiment, sheet metal 3 is along the edge of its circumference
Place has some die casting breach 9, and die casting breach 9 is extended close to by sheet metal 3 edge
At hole 7, location.There is on die casting breach 9 the secondary holding section 10 of protrusion, body 1 has
Having the secondary connecting portion matched with die casting breach 9, secondary connecting portion is with secondary holding section 10 one by one
Correspondence, die casting breach 9 matches with secondary connecting portion, certainly, owing to being stamping forming,
Therefore also there is at die casting breach 9 the secondary flange of protrusion, and secondary flange is towards in body 1
Side.
Sheet metal 3, when assembling, needs that sheet metal 3 is put into die casting in die casting and arrives
On the chassis 2 of body 1.In order to prevent sheet metal 3 from position occurring in press casting procedure
Skew or swing, therefore the center at sheet metal 3 arranges hole 7, location, utilizes location
Sheet metal 3 is fixed on die casting by hole 7, and determining by edge, hole 7, location
Position lobe 8 can strengthen the stability that sheet metal 3 is fixed in die casting further,
Thus ensure die casting can quickly and stably by sheet metal 3 die casting to body 1
On chassis 2.
Sheet metal 3 die casting to after on chassis 2, by the connecting hole 4 on sheet metal 3 with
Connecting portion 5 on chassis 2 matches and enables to the connection of sheet metal 3 and chassis 2 more
Add firmly, and owing to having holding section 6 inside connecting hole 4, holding section 6 changes
Connecting hole 4 is the shape of straight hole, eliminates the problem of easy fracture when connecting hole 4 is straight hole.
Further, since location hole 7 in location lobe 8 relative to sheet metal 3 to body 1 introversion
Tiltedly arrange, so after in sheet metal 3 die casting to the chassis 2 of body 1, position lobe 8
The chassis 2 of body 1 can be produced grip so that sheet metal 3 can preferably adsorb
On chassis 2, so it also is able to strengthen the connectivity robustness between sheet metal 3 and chassis 2.
When this die casting double-bottom cooking utensil uses on electromagnetic oven, in heating process, sheet metal
3 can constantly be heated, in order to prevent this stress from making sheet metal 3 dilatancy, therefore at gold
The edge belonging to sheet 3 arranges some die casting breach 9, utilizes die casting breach 9 to eliminate change
Shape stress, extends the service life of cooker.
A kind of manufacture method of die casting double-bottom cooking utensil, the method comprises the following steps:
A, making sheet metal: sheared on the raw material of permeability magnetic material by common cut-out method
Go out discoid sheet metal 3 blank；
B, punching: on sheet metal 3 blank, stamp out some blank hole run through, blank
After hole punching press completes, then extrude the hole, location 7 run through at sheet metal 3 blank centre punch,
Owing to the drift sidepiece in hole 7, punching press location has a recessed forming tank, therefore after punching press
The inner side in hole, location can form some location lobe 8, the most again the location lobe 8 to part
Carrying out punching press makes it tilt, and finally stamps out some by metal at sheet metal 3 blank edge
Sheet 3 edge extends close to position the die casting breach 9(at hole 7 can certainly be before this
Hole 7, location is stamped out, on the limit of sheet metal 3 blank in the center of sheet metal 3 blank
Along stamping out die casting breach 9, finally on sheet metal 3 blank, stamp out blank hole)；
C, flange: by the blank hole that punch that its end is tapered is above-mentioned, through punching
Formed in above-mentioned blank hole after pressure and there is inside it connecting hole 4 protruding holding section 6, and
And form, in the opposition side of sheet metal 3 punching press side, the flange protruded；By with die casting breach
9 match and its end has the drift of tapered slope and stamps out convex at die casting breach 9
The secondary holding section 10 gone out and secondary flange, secondary flange is positioned at the opposition side of sheet metal 3 punching press side；
D, matched moulds: put in mould by sheet metal 3, have locating dowel, metal in mould
The hole, location 7 of sheet 3 is enclosed within locating dowel, then has Magnet outside mould, and Magnet is by gold
Belong to sheet 3 to be positioned in mould, then mould is fastened；
E, water cast aluminium water: inserting aluminum water in a mold, aluminum water fills the forming cavity in mould,
Above-mentioned sheet metal 3 is positioned at the flange on the bottom of forming cavity, and sheet metal 3 upward；
F, the demoulding: after the aluminum water cooling molding in mould, open mould and obtain die casting again
End cooker.Then to carrying out turnery processing bottom die casting double-bottom cooking utensil, metal after processing, is made
Sheet 3 sidepiece is exposed to bottom die casting double-bottom cooking utensil.
Specific embodiment described herein is only to present invention spirit theory for example
Bright.Those skilled in the art can be to described specific embodiment
Make various amendment or supplement or use similar mode to substitute, but without departing from
The spirit of the present invention or surmount scope defined in appended claims.
Claims (3)
1. a die casting double-bottom cooking utensil, including the uncovered body (1) being made up of aluminum,
There is the chassis (2) for heating, described chassis (2) upper tool on described body (1)
There is the sheet metal (3) being made up of permeability magnetic material, it is characterised in that described sheet metal (3)
On there is some connecting holes (4) run through, it is above-mentioned that above-mentioned chassis (2) have some embeddings
The connecting portion (5) at connecting hole (4) place and connecting portion (5) are with connecting hole (4) one by one
Correspondence, has between described connecting hole (4) and connecting portion (5) and both can be made to be connected
Interface arrangment, interface arrangment includes the holding section (6) that connecting hole (4) inner side is protruded, card
The cross section that conjunction portion (6) is positioned at connecting hole (4) middle part and holding section (6) is triangular in shape,
Sheet metal (3) center has the hole, location (7) running through its both sides, sheet metal (3) edge
The edge of its circumference has some die casting breach (9), and die casting breach (9) is by sheet metal
(3) edge extends close to position hole (7) place, and die casting breach has protrusion on (9)
Secondary holding section (10), body (1) has the pair matched with die casting breach (9)
Connecting portion, secondary connecting portion and secondary holding section (10) one_to_one corresponding.
Die casting double-bottom cooking utensil the most according to claim 1, it is characterised in that described
The edge of sheet metal (3) and connecting hole (4) port have the flange (3a) of protrusion,
And flange (3a) is towards body (1) inner side.
Die casting double-bottom cooking utensil the most according to claim 1, it is characterised in that described
Hole (7) edge, location has the location lobe (8) of some protrusions, described location lobe (8)
It is obliquely installed with sheet metal (3), and location lobe (8) is interior towards body (1).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310559488.7A CN103549873B (en) | 2013-11-12 | 2013-11-12 | A kind of die casting double-bottom cooking utensil and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310559488.7A CN103549873B (en) | 2013-11-12 | 2013-11-12 | A kind of die casting double-bottom cooking utensil and preparation method thereof |
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| Publication Number | Publication Date |
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| CN103549873A CN103549873A (en) | 2014-02-05 |
| CN103549873B true CN103549873B (en) | 2016-09-21 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105193242A (en) * | 2014-06-30 | 2015-12-30 | 浙江永达工贸有限公司 | Composite bottom aluminum pan |
| CN105982559B (en) * | 2015-02-13 | 2018-09-04 | 佛山市顺德区美的电热电器制造有限公司 | Cookware and electromagnetic heating cooking utensil for electromagnetic heating utensil |
| CN106510441A (en) * | 2016-12-29 | 2017-03-22 | 陈汝杰 | Bottom plate connecting process applied to electromagnetic or open-flame pot |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100544648C (en) * | 2005-07-05 | 2009-09-30 | 珠海兴利五金制品有限公司 | The particular manufacturing craft of cooking utensil composite bottom structure and manufacture method |
| CN100450406C (en) * | 2005-07-07 | 2009-01-14 | 周赛方 | Composite bottom of aluminium cooker |
| CN202457798U (en) * | 2011-12-16 | 2012-10-03 | 胡程韶 | Novel aluminum pot with composite bottom |
| CN103181718A (en) * | 2011-12-30 | 2013-07-03 | 胡程韶 | Aluminum boiler with compound bottom and manufacturing method thereof |
| CN203555532U (en) * | 2013-11-12 | 2014-04-23 | 浙江苏泊尔股份有限公司 | Die-cast double-bottom cooking utensil |
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