CN110340475B - Processing technology of composite wok - Google Patents
Processing technology of composite wok Download PDFInfo
- Publication number
- CN110340475B CN110340475B CN201910725907.7A CN201910725907A CN110340475B CN 110340475 B CN110340475 B CN 110340475B CN 201910725907 A CN201910725907 A CN 201910725907A CN 110340475 B CN110340475 B CN 110340475B
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- CN
- China
- Prior art keywords
- aluminum heat
- heat conducting
- frequency heating
- conducting plate
- pan body
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/002—Construction of cooking-vessels; Methods or processes of manufacturing specially adapted for cooking-vessels
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J36/00—Parts, details or accessories of cooking-vessels
- A47J36/02—Selection of specific materials, e.g. heavy bottoms with copper inlay or with insulating inlay
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/0008—Soldering, e.g. brazing, or unsoldering specially adapted for particular articles or work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/20—Preliminary treatment of work or areas to be soldered, e.g. in respect of a galvanic coating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
- B23K3/04—Heating appliances
- B23K3/047—Heating appliances electric
- B23K3/0475—Heating appliances electric using induction effects, e.g. Kelvin or skin effects
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P2700/00—Indexing scheme relating to the articles being treated, e.g. manufactured, repaired, assembled, connected or other operations covered in the subgroups
- B23P2700/05—Cooking vessels
Abstract
The invention discloses a processing technology of a composite wok, which is characterized by comprising the following steps: s10, separately processing the iron pan body, the aluminum heat conducting plate and the aluminum heat conducting pipe; s20, covering the iron pan body on the lower die; s30, uniformly coating soldering flux and brazing filler metal on the welding surface of the aluminum heat conducting plate, and then adhering and pressing the aluminum heat conducting plate to the central position of the outer bottom surface of the iron pan body; s40, uniformly coating soldering flux and brazing filler metal on the welding end face of the aluminum heat conduction pipe, and then attaching the aluminum heat conduction pipe to the central position of the aluminum heat conduction plate; s50, the high-frequency heating ring is sleeved on the aluminum heat conducting pipe in a clearance way and is attached to the aluminum heat conducting plate; and S60, pressing the upper die downwards to press the high-frequency heating ring, and then starting the high-frequency heating ring to heat so as to realize welding. The invention can realize the production and processing of the aluminum-iron composite pot, has less process steps, is optimized and reasonable, can ensure the dimensional precision and the position precision of the product, and has the advantages of very simple operation, high production efficiency, low production cost and the like.
Description
Technical Field
The invention belongs to a processing technology of a composite frying pan.
Background
Referring to fig. 1, it is a composite frying pan, which comprises an iron pan body (1) and an aluminum heat-conducting base (2) fixed as a whole, wherein the aluminum heat-conducting base (2) is provided with
Because the aluminum heat conducting seat adopts aluminum, the heat conducting performance of the aluminum heat conducting seat is far better than that of an iron pot, the aluminum heat conducting seat is not easy to rust, the service life is long, and the aluminum heat conducting seat has the advantage of energy conservation.
But compared with the traditional full-iron pan, the composite frying pan can be processed by adopting a casting mode, and the composite frying pan is processed by adopting the traditional process due to the different materials of the iron pan body (1) and the aluminum heat-conducting seat (2), so that a new composite frying pan production or processing process needs to be designed in a targeted manner.
Disclosure of Invention
In order to overcome one or more defects in the prior art, the invention provides a processing technology of a composite wok.
In order to achieve the purpose, the invention provides a processing technology of a composite wok, which is characterized by comprising the following steps:
s10, separately processing the iron pan body (1), the aluminum heat conducting plate (2-1) and the aluminum heat conducting pipe (2-2);
s20, covering the iron pan body (1) on the lower die (3) upside down;
s30, uniformly coating soldering flux and brazing filler metal on the welding surface of the aluminum heat conduction plate (2-1), and then adhering and pressing the aluminum heat conduction plate (2-1) to the central position of the outer bottom surface of the iron pan body (1);
s40, uniformly smearing soldering flux and brazing filler metal on the welding end face of the aluminum heat conduction pipe (2-2), and then adhering the aluminum heat conduction pipe (2-2) to the center of the aluminum heat conduction plate (2-1);
s50, the high-frequency heating ring (4) is sleeved on the aluminum heat conducting pipe (2-2) in a clearance way and is attached to the aluminum heat conducting plate (2-1);
and S60, pressing the upper die (5) downwards to press the high-frequency heating ring (4), and then starting the high-frequency heating ring (4) to heat to realize welding.
Furthermore, the top surface of the lower die (3) is provided with a first arc-shaped surface (3-1) matched with the inner bottom surface of the iron pan body (1).
Furthermore, the aluminum heat conducting plate (2-1) is an arc-shaped plate, the concave surface (2-11) of the aluminum heat conducting plate (2-1) is matched with the middle part of the outer bottom surface of the iron pan body (1), and the welding end surface of the aluminum heat conducting plate (2-2) is matched with the middle part of the convex surface (2-12) of the aluminum heat conducting plate (2-1); the inner hole of the high-frequency heating ring (4) is a conical hole (4-1), the lower end of the upper die (5) is provided with a conical part (5-1) matched with the conical hole (4-1), and the center of the bottom surface of the conical part (5-1) is provided with a positioning hole (5-2) matched with the aluminum heat conducting pipe (2-2); the bottom surface of the high-frequency heating ring (4) is provided with a second arc-shaped surface (4-2) matched with the convex surface (2-12) of the aluminum heat-conducting plate (2-1).
The invention has the beneficial effects that:
the invention can realize the production and processing of the aluminum-iron composite pot, has less process steps and reasonable optimization, and can ensure the stability and reliability of the processed product; meanwhile, the iron pan body, the aluminum heat conducting plate and the aluminum heat conducting pipe are completely and accurately positioned and simultaneously pressed and fixed to restrain before brazing, the dimensional precision of a brazed product and the mutual position precision among the iron pan body, the aluminum heat conducting plate and the aluminum heat conducting pipe can be guaranteed, and the brazing method has the advantages of being simple in operation, high in production efficiency, low in production cost and the like.
Drawings
Fig. 1 is a schematic structural view of a conductive cup.
Fig. 2 is an exploded view of the welding tool of the present invention.
FIG. 3 is a diagram illustrating the operation of the welding tool during welding according to the present invention.
Fig. 4 is an enlarged view of a in fig. 3.
Detailed Description
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
example (b): referring to fig. 1-4, a processing technology of a composite wok adopts a welding tool to assist production and processing, the welding tool at least comprises a lower die 3, a high-frequency heating ring 4 and an upper die 5, and the processing technology comprises the following steps:
s10, separately processing the iron pan body 1, the aluminum heat conducting plate 2-1 and the aluminum heat conducting pipe 2-2;
s20, covering the iron pan body 1 on the lower die 3;
s30, uniformly coating soldering flux and brazing filler metal on the welding surface of the aluminum heat-conducting plate 2-1, and then adhering and pressing the aluminum heat-conducting plate 2-1 to the central position of the outer bottom surface of the iron pan body 1;
s40, uniformly smearing soldering flux and brazing filler metal on the welding end face of the aluminum heat conduction pipe 2-2, and then adhering the aluminum heat conduction pipe 2-2 to the center of the aluminum heat conduction plate 2-1;
s50, the high-frequency heating ring 4 is sleeved on the aluminum heat conducting pipe 2-2 in a clearance way and is attached to the aluminum heat conducting plate 2-1;
and S60, pressing the upper die 5 downwards to press the high-frequency heating ring 4, and then starting the high-frequency heating ring 4 to heat so as to realize welding.
Furthermore, the top surface of the lower die 3 is provided with a first arc-shaped surface 3-1 matched with the inner bottom surface of the iron pan body 1.
Furthermore, the aluminum heat conducting plate 2-1 is an arc-shaped plate, the concave surface 2-11 of the aluminum heat conducting plate 2-1 is matched with the middle part of the outer bottom surface of the iron pan body 1, and the welding end surface of the aluminum heat conducting plate 2-2 is matched with the middle part of the convex surface 2-12 of the aluminum heat conducting plate 2-1; the inner hole of the high-frequency heating ring 4 is a tapered hole 4-1, the lower end of the upper die 5 is provided with a tapered part 5-1 matched with the tapered hole 4-1, and the center of the bottom surface of the tapered part 5-1 is provided with a positioning hole 5-2 matched with the aluminum heat conduction pipe 2-2; the bottom surface of the high-frequency heating ring 4 is provided with a second arc-shaped surface 4-2 matched with the convex surface 2-12 of the aluminum heat conducting plate 2-1.
Preferably, the brazing flux and the brazing filler metal are uniformly coated on the concave surface 2-11 and the convex surface 2-12 of the aluminum heat conduction plate 2-1.
Specifically, the soldering flux and the brazing filler metal are uniformly coated on the welding end face 2-21 of the aluminum heat conduction pipe 2-2.
Further, the welding tool further comprises a lower high-frequency heating ring 6, the lower high-frequency heating ring 6 is arranged on the lower die 3 and used for heating the bottom in the iron pan body 1, and the welding efficiency can be greatly improved as the temperature of the iron pan body 1 is increased after heat is conducted to the welding surfaces of the aluminum heat conducting plate 2-1 and the aluminum heat conducting pipe 2-2.
Furthermore, paraffin powder is coated on the first arc-shaped surface 3-1 of the lower die 3, and the paraffin powder can be adhered to the first arc-shaped surface 3-1 of the lower die 3 after the aluminum is low in melting point and easy to melt, so that the paraffin powder is coated before welding, and the problem can be solved, and adhesion is prevented.
Further, since the paraffin powder is coated on the bottom surface of the upper mold 5 and is easily melted and then adhered to the upper mold 5 due to a low melting point of aluminum, the paraffin powder is coated before welding, thereby solving the problem and preventing adhesion.
Preferably, the lower die 3 and the upper die 5 are made of high-temperature-resistant heat-conducting materials. Such as GH4099 or GH130 material.
Preferably, borax is used as the soldering flux, and oxides on the surfaces of the brazing filler metal and the base metal can be removed by using the soldering flux during brazing, so that the wetting effect can be improved.
Preferably, the solder is solder. Such as BAg25CuZn, BAg25CuZnSn or Ag30CuZnSn solder. The main chemical composition is that a small amount of zinc is added into silver alloy. The bonding strength of the brazing filler metal and aluminum can be greatly improved.
Before welding, the iron pan body 1 is inversely covered on the first arc-shaped surface 3-1 of the lower die 3 to realize surface contact matching and positioning; the concave surface 2-11 of the aluminum heat conducting plate 2-1 is pressed on the central position of the outer bottom surface of the iron pan body 1 to realize surface contact matching and positioning; the welding end face of the aluminum heat conduction pipe 2-2 is attached to the central position of the middle part of the convex face 2-12 of the aluminum heat conduction plate 2-1 to realize the surface contact matching and positioning; the second arc-shaped surface 4-2 of the high-frequency heating coil 4 is attached to and pressed on the convex surface 2-12 of the aluminum heat conducting plate 2-1 to realize surface contact matching and positioning; after the lower die 3 is pressed down, the tapered part 5-1 of the upper die 5 is positioned concentrically and pressed in a tapered fit with the tapered hole 4-1 of the high-frequency heating coil 4, and the aluminum heat-conducting pipe 2-2 is inserted into the positioning hole 5-2 of the upper die 5 to be positioned concentrically and pressed. Therefore, before welding, the iron pan body 1, the aluminum heat conducting plate 2-1 and the aluminum heat conducting pipe 2-2 are completely and accurately positioned and mutually pressed, when the high-frequency heating ring 4 is heated to generate heat, the aluminum heat conducting seat 2 can be melted to realize brazing welding, and the iron pan body 1, the aluminum heat conducting plate 2-1 and the aluminum heat conducting pipe 2-2 are brazed and fixed into a whole.
When the high-frequency heating ring 4 works, the high-frequency heating ring 4 is directly contacted with the aluminum heat conducting plate 2-1, so that direct brazing heating is realized. The high-frequency heating coil 4 is sleeved on the aluminum heat conducting pipe 2-2 with a gap, the high-frequency heating coil 4 can also heat the aluminum heat conducting pipe 2-2 in the high-frequency heating coil, and meanwhile, the high-frequency heating coil 4 is conducted onto the aluminum heat conducting pipe 2-2 through the upper die 5 to indirectly heat.
In addition, the lower high-frequency heating ring 6 conducts heat to the iron pan body 1, then heats and conducts the heat to the aluminum heat conduction plate 2-1 and the aluminum heat conduction pipe 2-2, and can heat up and down respectively, thereby greatly improving the welding efficiency.
The invention can realize the production and processing of the aluminum-iron composite pot, has less process steps and reasonable optimization, and can ensure the stability and reliability of the processed product; meanwhile, the iron pan body, the aluminum heat conducting plate and the aluminum heat conducting pipe are completely and accurately positioned and simultaneously pressed and fixed to restrain before brazing, the dimensional accuracy of a brazed product and the mutual position accuracy of the iron pan body, the aluminum heat conducting plate and the aluminum heat conducting pipe can be guaranteed, meanwhile, the operation is very simple, the production efficiency can be greatly improved, and the production cost is reduced.
The foregoing detailed description of the preferred embodiments of the invention has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.
Claims (2)
1. The processing technology of the composite wok is characterized by comprising the following steps:
s10, separately processing the iron pan body (1), the aluminum heat conducting plate (2-1) and the aluminum heat conducting pipe (2-2);
s20, covering the iron pan body (1) on the lower die (3) upside down;
s30, uniformly coating soldering flux and brazing filler metal on the welding surface of the aluminum heat conduction plate (2-1), and then adhering and pressing the aluminum heat conduction plate (2-1) to the central position of the outer bottom surface of the iron pan body (1);
s40, uniformly smearing soldering flux and brazing filler metal on the welding end face of the aluminum heat conduction pipe (2-2), and then adhering the aluminum heat conduction pipe (2-2) to the center of the aluminum heat conduction plate (2-1);
s50, the high-frequency heating ring (4) is sleeved on the aluminum heat conducting pipe (2-2) in a clearance way and is attached to the aluminum heat conducting plate (2-1);
s60, the upper die (5) is pressed downwards and tightly against the high-frequency heating ring (4), and then the high-frequency heating ring (4) is started to heat to realize welding;
the aluminum heat-conducting plate (2-1) is an arc-shaped plate, the concave surface (2-11) of the aluminum heat-conducting plate (2-1) is matched with the middle part of the outer bottom surface of the iron pan body (1), and the welding end surface of the aluminum heat-conducting pipe (2-2) is matched with the middle part of the convex surface (2-12) of the aluminum heat-conducting plate (2-1);
the inner hole of the high-frequency heating ring (4) is a conical hole (4-1), the lower end of the upper die (5) is provided with a conical part (5-1) matched with the conical hole (4-1), and the center of the bottom surface of the conical part (5-1) is provided with a positioning hole (5-2) matched with the aluminum heat conducting pipe (2-2);
the bottom surface of the high-frequency heating ring (4) is provided with a second arc-shaped surface (4-2) matched with the convex surface (2-12) of the aluminum heat-conducting plate (2-1).
2. The processing technology of the composite frying pan as claimed in claim 1, wherein: the top surface of the lower die (3) is provided with a first arc-shaped surface (3-1) matched with the inner bottom surface of the iron pan body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910725907.7A CN110340475B (en) | 2019-08-07 | 2019-08-07 | Processing technology of composite wok |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910725907.7A CN110340475B (en) | 2019-08-07 | 2019-08-07 | Processing technology of composite wok |
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| Publication Number | Publication Date |
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| CN110340475A CN110340475A (en) | 2019-10-18 |
| CN110340475B true CN110340475B (en) | 2021-07-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910725907.7A Active CN110340475B (en) | 2019-08-07 | 2019-08-07 | Processing technology of composite wok |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113276283B (en) * | 2021-06-04 | 2022-10-04 | 西藏雍仲皂石研发有限公司 | Aluminum-clad stone processing technology |
| CN114669818B (en) * | 2022-04-22 | 2024-01-30 | 江西制氧机有限公司 | Low-temperature cold screen thin-wall aluminum alloy conduit structure and vacuum brazing process and application thereof |
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|---|---|---|---|---|
| US3609277A (en) * | 1970-05-14 | 1971-09-28 | Soc De Traitements Electrolytiques Et Electrothermiques | Brazing press particularly for brazing extended surfaces having relieved corners to a matching plate |
| EP0601944A1 (en) * | 1992-12-11 | 1994-06-15 | Compagnie Francaise D'electrothermie Industrielle C.F.E.I. | Method for brazing cooking pot bottoms |
| CN1243777A (en) * | 1999-01-30 | 2000-02-09 | 深圳市宝安联华实业有限公司 | High-frequency heating and pressurizing technology and equipment for soldering ring and planar parts made of different metals |
| 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 |
| CN103565287A (en) * | 2013-11-12 | 2014-02-12 | 哈尔滨工业大学 | Titanium pot with composite aluminum bottom and manufacturing method thereof |
| CN106392235A (en) * | 2016-11-21 | 2017-02-15 | 郑州航空工业管理学院 | Diversified heating method for vacuum diffusion brazing furnace |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE788833A (en) * | 1971-09-17 | 1973-01-02 | Soc De Traitements Electrolytiques Et Electrothermiques | IMPROVEMENTS TO BRAZING PRESSES FOR PARTS WITH CURVED PARTS |
| ZA864464B (en) * | 1985-07-05 | 1987-03-25 | Gen Electric | Brazed composite compact implements |
-
2019
- 2019-08-07 CN CN201910725907.7A patent/CN110340475B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3609277A (en) * | 1970-05-14 | 1971-09-28 | Soc De Traitements Electrolytiques Et Electrothermiques | Brazing press particularly for brazing extended surfaces having relieved corners to a matching plate |
| EP0601944A1 (en) * | 1992-12-11 | 1994-06-15 | Compagnie Francaise D'electrothermie Industrielle C.F.E.I. | Method for brazing cooking pot bottoms |
| CN1243777A (en) * | 1999-01-30 | 2000-02-09 | 深圳市宝安联华实业有限公司 | High-frequency heating and pressurizing technology and equipment for soldering ring and planar parts made of different metals |
| 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 |
| CN103565287A (en) * | 2013-11-12 | 2014-02-12 | 哈尔滨工业大学 | Titanium pot with composite aluminum bottom and manufacturing method thereof |
| CN106392235A (en) * | 2016-11-21 | 2017-02-15 | 郑州航空工业管理学院 | Diversified heating method for vacuum diffusion brazing furnace |
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| CN110340475A (en) | 2019-10-18 |
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