CN110973975A - Method for manufacturing body structure of vacuum electric kettle - Google Patents
Method for manufacturing body structure of vacuum electric kettle Download PDFInfo
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- CN110973975A CN110973975A CN201911272402.6A CN201911272402A CN110973975A CN 110973975 A CN110973975 A CN 110973975A CN 201911272402 A CN201911272402 A CN 201911272402A CN 110973975 A CN110973975 A CN 110973975A
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- inner container
- welding
- shell
- electric kettle
- vacuum electric
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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
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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
- A47J27/21—Water-boiling vessels, e.g. kettles
- A47J27/21008—Water-boiling vessels, e.g. kettles electrically heated
- A47J27/21041—Water-boiling vessels, e.g. kettles electrically heated with heating elements arranged outside the water vessel
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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
- A47J36/00—Parts, details or accessories of cooking-vessels
- A47J36/36—Shields or jackets for cooking utensils minimising the radiation of heat, fastened or movably mounted
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- 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
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Cookers (AREA)
Abstract
The invention discloses a method for manufacturing a kettle body structure of a vacuum electric kettle, which comprises the following steps: (a) the round material sheet is stretched and formed, and an opening part of the inner container, an outward flanging, a spout and a water sealing boss are processed; (b) the lower end of the opening part of the inner container is punched with a notch to form a lower port; (c) curling the outward flanging; (d) the circular pipe material is hydraulically expanded out of the inner container main body; (e) the upper end opening of the inner container main body is trimmed; (f) processing a welding platform at the lower end of the inner container main body; (g) welding the lower port and the upper port to complete the welding of the inner container mouth and the inner container body to form the inner container; (h) welding the upper end of the shell to the lower side of the opening of the inner container, and welding the lower end of the shell to the lower end of the inner container to complete the welding of the shell and the inner container; (i) vacuumizing the gap between the shell and the inner container; (j) and welding the heating component to the welding platform. The invention improves the service performance of the kettle body, saves the assembly space and reduces the labor and material cost.
Description
Technical Field
The invention relates to a vacuum electric kettle, in particular to a method for manufacturing a kettle body structure of the vacuum electric kettle.
Background
The current vacuum electric kettle has a larger kettle body, and the main stream manufacturing mode of the kettle body is to adopt a stainless steel fan-shaped material sheet to perform coiling and welding and then stretch forming, so that the manufacturing process is complex, manual operation is required for coiling and welding, the production efficiency is low, the reject ratio is high, the quality is unstable, and improvement is required.
Disclosure of Invention
The invention provides a method for manufacturing a novel vacuum electric kettle body structure, aiming at the defects of complex manufacturing process, low production efficiency and the like in the prior art.
In order to solve the technical problems, the invention is realized by the following technical scheme:
a method for manufacturing a body structure of a vacuum electric kettle comprises the following steps:
(a) taking a round material sheet, carrying out stretch forming treatment on the round material sheet, processing an opening part of the inner container, and sequentially processing an outer flanging, a kettle nozzle and a water sealing boss on the opening part of the inner container;
(b) punching a notch at the lower end of the opening part of the inner container to form a lower port, wherein the diameter of the lower port of the opening part of the inner container is d 1;
(c) performing edge curling treatment on the outward turned edge in the step (a), wherein after the edge curling is finished, the length of the spout is d 2;
(d) taking a round pipe material, carrying out hydraulic pressure expansion treatment on the round pipe material, and processing the inner container main body;
(e) the upper end opening of the inner container main body is trimmed, the diameter of the trimmed upper end opening is d3, and d3= d 1;
(f) processing a welding platform at the lower end of the inner container main body through rib pressing operation;
(g) welding the lower port and the upper port to complete the welding of the inner container opening and the inner container main body to form an inner container;
(h) taking a shell, welding the upper end of the shell to the lower side of the opening of the inner container, and welding the lower end of the shell to the lower end of the inner container to complete the welding of the shell and the inner container;
(i) vacuumizing the gap between the shell and the inner container to form a vacuum layer;
(j) and taking a heating component, and welding the heating component on the welding platform to complete the manufacture of the structure of the vacuum electric kettle body.
The steps (a) - (c) are used for processing and forming the opening part of the inner container, the steps (d) - (f) are used for processing and forming the main body of the inner container, the opening part of the inner container and the main body of the inner container are respectively processed, so that the processing excess material of the opening part of the inner container is convenient to control, and the limitation on the forming size of the opening part of the inner container is reduced, so that the processing length of the spout is prolonged, and the water pouring performance of the spout is ensured. Step (h), step (i) is used for welding the shell, the inner bag forms the vacuum layer, with welding the shell upper end to inner bag oral area downside, can guarantee that the vacuum layer covers the water sealing boss for the whole kettle body is covered to the vacuum layer, improve the thermal insulation performance of the kettle body, step (j) is used for welding heating element to the kettle body, realize the electric heating function of the kettle body, and weld heating element to welding platform, can reduce the use of parts such as sealing washer, practice thrift the assembly space simultaneously, artifical and material cost have been reduced.
Preferably, in the method for manufacturing the vacuum electric kettle body structure, the mouth part of the inner container processed in the step (b) is subjected to thread forming processing to form threads.
Carry out screw thread processing at the inner bag oral area of machine-shaping, can avoid the inner bag to warp, guarantee the processing effect of screw thread, at inner bag oral area direct processing go up the screw thread simultaneously, can realize the lug connection of pot lid with the inner bag oral area, cancelled the use of moulding a mouthful or pot lid seat, simplified the structure and reduced manufacturing cost.
Preferably, in the manufacturing method of the vacuum electric kettle body structure, the thread is an interrupted thread.
The screw thread sets up to discontinuous screw thread, when can uncap and close the lid, reduces and unscrews the required rotatory number of turns of pot lid, also can improve the rotatory smooth degree of pot lid, and discontinuous screw thread is convenient for more simultaneously wash, and it is more convenient to use.
Preferably, in the above manufacturing method of the structure of the vacuum electric kettle body, in the step (d), the diameter of the circular tube is d4, the diameter of the widest part of the inner container main body is d5, the swelling amplitude of the circular tube is λ, Δ d = d4-d3, d5-d3 ≦ λ, d4+ Δ d, where Δ d is greater than 0 and less than or equal to 20mm, and λ is greater than 0 and less than or equal to 50%.
The inner container opening part and the inner container main body are respectively processed and molded, and then the inner container is formed by welding the inner container opening part and the inner container main body, so that the difference value between the widest part diameter d5 of the inner container main body and the diameter d3 after the edge of the upper end opening of the inner container main body is folded is increased, and the maximum value can reach lambda.d 4+ delta d, so that the size range of the optional design of the kettle body is larger, and the shape is richer.
Preferably, in the above method for manufacturing a structure of a vacuum electric kettle body, in the step (c), d2 ≧ 12 mm.
The general spout is limited by the processing technology, the length is set to be shorter, and the length of the spout can be extended by at least 12mm by respectively processing and molding the mouth part of the inner container and the main body of the inner container, so that the water flow centralization during pouring water into the kettle body is improved, and the use experience is improved.
Preferably, in the above method for manufacturing a pot body structure of a vacuum electric kettle, in the step (j), the heating element includes a liner bottom and a heating plate element, the heating plate element is welded to the liner bottom, and the liner bottom is welded to the welding platform.
The inner bag is used for being connected with the inner bag main part at the bottom of, forms the water storage space, welds with welded platform at the bottom of the inner bag simultaneously, has improved the stability that heating element set up, practices thrift assembly space simultaneously, has reduced manual work and material cost.
Preferably, in the manufacturing method of the vacuum electric kettle body structure, after the welding platform is formed, an accommodating cavity is formed below the welding platform, and the heating element is located in the accommodating cavity.
The accommodating cavity is used for accommodating the heating component, so that the space utilization rate of the kettle body is improved, and the appearance attractiveness of the kettle body is improved.
Drawings
FIG. 1 is a schematic view showing the structure of the mouth of the liner after being treated in step (a) of the present invention;
FIG. 2 is a schematic structural view of the mouth of the liner after being treated in step (b) of the present invention;
FIG. 3 is a schematic structural view of the mouth of the inner container after being processed by the thread forming process of the present invention;
FIG. 4 is a schematic view showing the structure of the mouth of the liner after being treated in step (c) of the present invention;
FIG. 5 is a schematic structural view of the liner body after being processed in steps (d), (e) and (f) of the present invention;
FIG. 6 is a schematic structural view of the liner treated in step (g) of the present invention;
FIG. 7 is a schematic structural view of the kettle body treated in the steps (h), (i) and (j) of the present invention;
fig. 8 is a partially enlarged view of a portion a in fig. 7.
Detailed Description
The invention will be described in further detail below with reference to the accompanying figures 1-8 and the detailed description, but they are not intended to limit the invention:
example 1
A method for manufacturing a body structure of a vacuum electric kettle comprises the following steps:
(a) taking a round material sheet, carrying out stretch forming treatment on the round material sheet, processing an inner container opening part 1, and sequentially processing an outward flanging 11, a kettle mouth 12 and a water sealing boss 13 on the inner container opening part 1;
(b) punching a notch at the lower end of the inner container opening part 1 to form a lower port 14, wherein the diameter of the lower port 14 of the inner container opening part 1 is d 1;
(c) performing curling treatment on the outward turned edge 11 in the step (a), wherein after the curling is finished, the length of the spout 12 is d 2;
(d) taking a round pipe material 7, and carrying out hydraulic pressure expansion treatment on the round pipe material 7 to process the liner main body 2;
(e) closing an upper port 21 of the liner main body 2, wherein the diameter of the closed upper port 21 is d3, and d3= d 1;
(f) processing a welding platform 22 at the lower end of the inner container main body 2 through ribbing operation;
(g) welding the lower port 14 and the upper port 21 to complete the welding of the inner container mouth part 1 and the inner container main body 2 to form an inner container 3;
(h) taking a shell 5, welding the upper end of the shell 5 to the lower side of the opening part 1 of the inner container, and welding the lower end of the shell 5 to the lower end part of the inner container 3 to complete the welding of the shell 5 and the inner container 3;
(i) vacuumizing the gap between the outer shell 5 and the inner container 3 to form a vacuum layer 4;
(j) and taking a heating component 6, and welding the heating component 6 to the welding platform 22 to complete the manufacture of the structure of the vacuum electric kettle body.
Preferably, the liner mouth portion 1 subjected to the step (b) is subjected to a thread forming process to form the thread 15.
Preferably, the thread 15 is an interrupted thread.
Preferably, in the step (d), the diameter of the circular tube material 7 is d4, the diameter of the widest part of the liner body 2 is d5, the swelling amplitude of the circular tube material 7 is λ, Δ d = d4-d3, and d5-d3 ≦ λ.d 4+ Δ d, where Δ d =2mm and λ = 10%.
Preferably, in the step (c), the d2=12 mm.
Preferably, in the step (j), the heating assembly 6 includes a liner bottom 61 and a heating plate assembly 62, the heating plate assembly 62 is welded to the liner bottom 61, and the liner bottom 61 is welded to the welding platform 22.
Preferably, after the welding platform 22 is formed, an accommodating cavity 23 is formed below the welding platform 22, and the heat generating component 6 is located in the accommodating cavity 23.
Example 2
A method for manufacturing a body structure of a vacuum electric kettle comprises the following steps:
(a) taking a round material sheet, carrying out stretch forming treatment on the round material sheet, processing an inner container opening part 1, and sequentially processing an outward flanging 11, a kettle mouth 12 and a water sealing boss 13 on the inner container opening part 1;
(b) punching a notch at the lower end of the inner container opening part 1 to form a lower port 14, wherein the diameter of the lower port 14 of the inner container opening part 1 is d 1;
(c) performing curling treatment on the outward turned edge 11 in the step (a), wherein after the curling is finished, the length of the spout 12 is d 2;
(d) taking a round pipe material 7, and carrying out hydraulic pressure expansion treatment on the round pipe material 7 to process the liner main body 2;
(e) closing an upper port 21 of the liner main body 2, wherein the diameter of the closed upper port 21 is d3, and d3= d 1;
(f) processing a welding platform 22 at the lower end of the inner container main body 2 through ribbing operation;
(g) welding the lower port 14 and the upper port 21 to complete the welding of the inner container mouth part 1 and the inner container main body 2 to form an inner container 3;
(h) taking a shell 5, welding the upper end of the shell 5 to the lower side of the opening part 1 of the inner container, and welding the lower end of the shell 5 to the lower end part of the inner container 3 to complete the welding of the shell 5 and the inner container 3;
(i) vacuumizing the gap between the outer shell 5 and the inner container 3 to form a vacuum layer 4;
(j) and taking a heating component 6, and welding the heating component 6 to the welding platform 22 to complete the manufacture of the structure of the vacuum electric kettle body.
Preferably, the liner mouth portion 1 subjected to the step (b) is subjected to a thread forming process to form the thread 15.
Preferably, the thread 15 is an interrupted thread.
Preferably, in the step (d), the diameter of the circular tube material 7 is d4, the diameter of the widest part of the liner body 2 is d5, the swelling amplitude of the circular tube material 7 is λ, Δ d = d4-d3, and d5-d3 ≦ λ.d 4+ Δ d, where Δ d =10mm and λ = 25%.
Preferably, in the step (c), the d2=13 mm.
Preferably, in the step (j), the heating assembly 6 includes a liner bottom 61 and a heating plate assembly 62, the heating plate assembly 62 is welded to the liner bottom 61, and the liner bottom 61 is welded to the welding platform 22.
Preferably, after the welding platform 22 is formed, an accommodating cavity 23 is formed below the welding platform 22, and the heat generating component 6 is located in the accommodating cavity 23.
Example 3
A method for manufacturing a body structure of a vacuum electric kettle comprises the following steps:
(a) taking a round material sheet, carrying out stretch forming treatment on the round material sheet, processing an inner container opening part 1, and sequentially processing an outward flanging 11, a kettle mouth 12 and a water sealing boss 13 on the inner container opening part 1;
(b) punching a notch at the lower end of the inner container opening part 1 to form a lower port 14, wherein the diameter of the lower port 14 of the inner container opening part 1 is d 1;
(c) performing curling treatment on the outward turned edge 11 in the step (a), wherein after the curling is finished, the length of the spout 12 is d 2;
(d) taking a round pipe material 7, and carrying out hydraulic pressure expansion treatment on the round pipe material 7 to process the liner main body 2;
(e) closing an upper port 21 of the liner main body 2, wherein the diameter of the closed upper port 21 is d3, and d3= d 1;
(f) processing a welding platform 22 at the lower end of the inner container main body 2 through ribbing operation;
(g) welding the lower port 14 and the upper port 21 to complete the welding of the inner container mouth part 1 and the inner container main body 2 to form an inner container 3;
(h) taking a shell 5, welding the upper end of the shell 5 to the lower side of the opening part 1 of the inner container, and welding the lower end of the shell 5 to the lower end part of the inner container 3 to complete the welding of the shell 5 and the inner container 3;
(i) vacuumizing the gap between the outer shell 5 and the inner container 3 to form a vacuum layer 4;
(j) and taking a heating component 6, and welding the heating component 6 to the welding platform 22 to complete the manufacture of the structure of the vacuum electric kettle body.
Preferably, the liner mouth portion 1 subjected to the step (b) is subjected to a thread forming process to form the thread 15.
Preferably, the thread 15 is an interrupted thread.
Preferably, in the step (d), the diameter of the circular tube material 7 is d4, the diameter of the widest part of the liner body 2 is d5, the swelling amplitude of the circular tube material 7 is λ, Δ d = d4-d3, and d5-d3 ≦ λ.d 4+ Δ d, where Δ d =20mm and λ = 50%.
Preferably, in the step (c), the d2=14 mm.
Preferably, in the step (j), the heating assembly 6 includes a liner bottom 61 and a heating plate assembly 62, the heating plate assembly 62 is welded to the liner bottom 61, and the liner bottom 61 is welded to the welding platform 22.
Preferably, after the welding platform 22 is formed, an accommodating cavity 23 is formed below the welding platform 22, and the heat generating component 6 is located in the accommodating cavity 23.
In summary, the above-mentioned embodiments are only preferred embodiments of the present invention, and all equivalent changes and modifications made within the scope of the claims of the present invention should be covered by the present invention.
Claims (7)
1. A method for manufacturing a body structure of a vacuum electric kettle is characterized by comprising the following steps:
(a) taking a round material sheet, carrying out stretch forming treatment on the round material sheet, processing an inner container opening part (1), and sequentially processing an outward flanging (11), a kettle nozzle (12) and a water sealing boss (13) on the inner container opening part (1);
(b) punching a notch at the lower end of the inner container opening part (1) to form a lower port (14), wherein the diameter of the lower port (14) of the inner container opening part (1) is d 1;
(c) performing curling treatment on the outward turned edge (11) in the step (a), wherein after the curling is finished, the length of the spout (12) is d 2;
(d) taking a round pipe material (7), and carrying out hydraulic expansion treatment on the round pipe material (7) to process a liner main body (2);
(e) closing an upper port (21) of the liner body (2), wherein the closed upper port (21) has a diameter d3, and d3= d 1;
(f) processing a welding platform (22) at the lower end of the inner container main body (2) through ribbing operation;
(g) welding the lower port (14) and the upper port (21) to complete the welding of the inner container mouth part (1) and the inner container main body (2) to form the inner container (3);
(h) taking a shell (5), welding the upper end of the shell (5) to the lower side of the opening part (1) of the inner container, welding the lower end of the shell (5) to the lower end part of the inner container (3), and completing the welding of the shell (5) and the inner container (3);
(i) vacuumizing the gap between the shell (5) and the inner container (3) to form a vacuum layer (4);
(j) and taking a heating component (6), and welding the heating component (6) to the welding platform (22) to complete the manufacture of the structure of the vacuum electric kettle body.
2. The method for manufacturing the structure of the vacuum electric kettle body as claimed in claim 1, wherein the method comprises the following steps: and (c) performing thread machining forming treatment on the liner opening part (1) treated in the step (b) to form a thread (15).
3. The method for manufacturing the structure of the vacuum electric kettle body of claim 2, which is characterized in that: the thread (15) is an interrupted thread.
4. The method for manufacturing the structure of the vacuum electric kettle body as claimed in claim 1, wherein the method comprises the following steps: the diameter of the circular pipe material (7) in the step (d) is d4, the diameter of the widest part of the liner main body (2) is d5, the bulging amplitude of the circular pipe material (7) is lambda, delta d = d4-d3, d5-d3 is smaller than or equal to lambda, d4+ delta d, wherein delta d is larger than 0 and smaller than or equal to 20mm, and lambda is larger than 0 and smaller than or equal to 50%.
5. The method for manufacturing the structure of the vacuum electric kettle body as claimed in claim 1, wherein the method comprises the following steps: in the step (c), d2 ≧ 12 mm.
6. The method for manufacturing the structure of the vacuum electric kettle body as claimed in claim 1, wherein the method comprises the following steps: in the step (j), the heating assembly (6) comprises a liner bottom (61) and a heating disc assembly (62), the heating disc assembly (62) is welded to the liner bottom (61), and the liner bottom (61) is welded to the welding platform (22).
7. The method for manufacturing the structure of the vacuum electric kettle body as claimed in claim 1, wherein the method comprises the following steps: welding platform (22) machine-shaping back welding platform (22) below formation holds chamber (23), heating element (6) are located hold chamber (23).
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| CN201911272402.6A CN110973975B (en) | 2019-12-12 | 2019-12-12 | Method for manufacturing body structure of vacuum electric kettle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113714744A (en) * | 2021-09-10 | 2021-11-30 | 浙江飞剑工贸有限公司 | Manufacturing method of kettle |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113714744A (en) * | 2021-09-10 | 2021-11-30 | 浙江飞剑工贸有限公司 | Manufacturing method of kettle |
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| Publication number | Publication date |
|---|---|
| CN110973975B (en) | 2021-07-16 |
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