CN-122007815-A - Cup body of thermos cup, manufacturing method of cup body and thermos cup

Abstract

The invention relates to a manufacturing method of a cup body of a heat preservation water cup, which comprises the following steps of manufacturing a welding piece, stretching a steel plate material into a required thickness and a required shape, cutting the steel plate material into a required size, manufacturing a shell, placing the shell after bulging into a high-temperature vacuum furnace for a certain time, cooling the shell to room temperature, manufacturing a liner, welding the welding piece at an opening of the shell, matching the top of the liner with the top of the shell, welding the top of the liner and the top of the shell together to form a cup opening of the cup body of the whole heat preservation water cup, and vacuumizing a part between the liner and the shell after the liner is assembled to the shell, wherein the liner and the shell are placed into a tailless vacuum furnace together, and finally forming the cup body of the heat preservation water cup by utilizing tailless vacuum technology. The invention also relates to a cup body and a thermos cup comprising the cup body.

Inventors

• YING JUNCHAO
• FU JIN

Assignees

• 浙江福亿家居用品有限公司

Dates

Publication Date

20260512

Application Date

20260317

Claims (10)

1. 1. The manufacturing method of the cup body of the thermos cup comprises a shell, an inner container and a welding piece, and is characterized by comprising the following steps: Manufacturing a welding part, namely stretching a steel plate material into a required thickness and shape, and then performing laser cutting into a required size; Manufacturing a shell: Cutting a pipe, namely cutting a tubular stainless steel pipe into a steel pipe with a required size; Welding the bottom, namely welding and sealing the bottom of the cut steel pipe along the periphery of the steel pipe, so as to form the bottom of the heat-insulating water cup; hydraulic bulging, namely placing the steel pipe with the sealed bottom into a mould, applying high-pressure liquid into the mould through a hydraulic pump, enabling the inside of the steel pipe mould to generate plastic deformation, and finally expanding to the shape of the shell of the preset thermos cup; annealing treatment, namely placing the shell after bulging into a high-temperature vacuum furnace with the temperature of 1000-1080 ℃ for twenty minutes to half an hour, and then cooling to room temperature; shaping, namely finishing the shape of the annealed shell to achieve the required shape; Cutting the shell by using laser cutting equipment, and cutting off redundant parts to form an opening for accommodating the welding piece; Blanking, namely, falling the cut shell from the fixing device; Forming, namely forming the shell after blanking into a required shape; Flat cutting assembly, namely, equipping a pretreated welding piece at an opening of the shell; welding the welding piece to the opening of the shell; manufacturing an inner container: Cutting a pipe, namely cutting a tubular stainless steel pipe into a steel pipe with a required size; hydraulic bulging, namely placing the steel pipe into a mould, applying high-pressure liquid into the mould through a hydraulic pump, enabling the inside of the steel pipe mould to be subjected to plastic deformation, and finally expanding to the shape of the inner container of a preset heat-insulating cup; Flat mouth and flat bottom, grinding or cutting the bottom and top of the steel pipe to be flat; welding the bottom, namely welding and sealing the bottom of the flattened steel pipe, so as to form the bottom of the liner of the heat-insulating cup; welding the welding member to the opening of the housing; Matching the top of the liner with the top of the shell; welding the top of the inner container and the top of the outer shell together to form a cup opening part of the cup body of the whole heat-insulating cup; After the liner is assembled to the shell, the part between the liner and the shell is vacuumized, namely the liner and the shell are placed into a tailless vacuum furnace together, and the tailless vacuum technology is utilized to realize air suction, seal welding and cooling at the high temperature of approximately 900-1100 ℃, so that the cup body of the heat-preservation cup is finally formed.
2. 2. The method for manufacturing a cup body of a thermos cup according to claim 1, wherein after the vacuuming treatment, polishing, painting, screen printing is performed on the outer surface of the outer shell, and finally a cup cover and a display screen are mounted, thereby manufacturing the thermos cup.
3. 3. The method of manufacturing a cup body for a thermos cup according to claim 1, wherein the step of manufacturing the welding member further comprises the steps of ultrasonic and degreasing cleaning the welding member, and drying the welding member.
4. 4. A method of manufacturing a cup for a thermos cup according to claim 1, wherein after the welded member is assembled to the outer shell, the outer shell and the welded member are integrally cleaned and dried, and the cleaning step includes degreasing cleaning and ultrasonic cleaning steps.
5. 5. A method of manufacturing a cup for a thermos cup according to claim 1, wherein the steps of cleaning and drying the outer shell and the inner shell, respectively, before the inner shell is assembled to the outer shell, include degreasing cleaning and ultrasonic cleaning steps.
6. 6. A method of manufacturing a cup for a thermos cup according to claim 1, wherein the steps of cleaning and drying the outer shell and the inner shell integrally after the inner shell is assembled to the outer shell, and cleaning include degreasing cleaning and ultrasonic cleaning steps.
7. 7. A method of manufacturing a cup body for a thermos cup according to claim 1, wherein in the annealing step, the temperature in the high temperature vacuum furnace is 1050 degrees.
8. 8. The method of claim 1, wherein the liner and the shell are made of 304 or 316 stainless steel.
9. 9. A thermos cup body manufactured by the manufacturing method according to any one of claims 1 to 8.
10. 10. A heat-preserving water cup, the thermos cup comprises the cup body as claimed in claim 9.

Description

Cup body of thermos cup, manufacturing method of cup body and thermos cup Technical Field The invention belongs to the technical field of cups, and particularly relates to a cup body of a thermos cup and a manufacturing method for manufacturing the cup body of the thermos cup. Background Along with the popularization of healthy drinking concepts, the cup becomes a necessary appliance for daily life, offices and outdoor scenes. The heat-insulating water cup often comprises a cup body and a cup cover, and the cup cover is used for covering the cup body to prevent leakage. However, in the existing water cup, the manufacturing of the cup body is often manually operated, the large-scale manufacturing is not easy, the cost is high, and the heat preservation effect is not good. Therefore, there is a need to design a new water cup manufacturing method for pipelining to solve the above problems. Disclosure of Invention In view of the above, the present invention provides a cup body of a thermos cup and a manufacturing method of the cup body of the thermos cup, so as to solve the above-mentioned problems in the prior art. In order to achieve the above purpose, the invention provides a manufacturing method of a cup body of a thermos cup, wherein the cup body comprises a shell, an inner container and a welding piece, and the manufacturing method of the cup body comprises the following steps: Manufacturing a welding part, namely stretching a steel plate material into a required thickness and shape, and then performing laser cutting into a required size; Manufacturing a shell: Cutting a pipe, namely cutting a tubular stainless steel pipe into a steel pipe with a required size; Welding the bottom, namely welding and sealing the bottom of the cut steel pipe along the periphery of the steel pipe, so as to form the bottom of the heat-insulating water cup; hydraulic bulging, namely placing the steel pipe with the sealed bottom into a mould, applying high-pressure liquid into the mould through a hydraulic pump, enabling the inside of the steel pipe mould to generate plastic deformation, and finally expanding to the shape of the shell of the preset thermos cup; And (3) annealing treatment, namely placing the shell after bulging into a high-temperature vacuum furnace with the temperature of 1000-1080 ℃ for twenty minutes to half an hour, and then cooling to room temperature. Shaping, namely finishing the shape of the annealed shell to achieve the required shape; Cutting the shell by using laser cutting equipment, and cutting off redundant parts to form an opening for accommodating the welding piece; Blanking, namely, falling the cut shell from the fixing device; Forming, namely forming the shell after blanking into a required shape; Flat cutting assembly, namely, equipping a pretreated welding piece at an opening of the shell; welding the welding piece to the opening of the shell; manufacturing an inner container: Cutting a pipe, namely cutting a tubular stainless steel pipe into a steel pipe with a required size; hydraulic bulging, namely placing the steel pipe into a mould, applying high-pressure liquid into the mould through a hydraulic pump, enabling the inside of the steel pipe mould to be subjected to plastic deformation, and finally expanding to the shape of the inner container of a preset heat-insulating cup; Flat mouth and flat bottom, grinding or cutting the bottom and top of the steel pipe to be flat; welding the bottom, namely welding and sealing the bottom of the flattened steel pipe, so as to form the bottom of the liner of the heat-insulating cup; welding the welding member to the opening of the housing; Matching the top of the liner with the top of the shell; welding the top of the inner container and the top of the outer shell together to form a cup opening part of the cup body of the whole heat-insulating cup; after the liner is assembled to the shell, the part between the liner and the shell is vacuumized, namely the liner and the shell are placed into a tailless vacuum furnace together, and the tailless vacuum technology is utilized to realize air suction, seal welding and cooling through computer control under the high temperature condition of approximately 900-1100 ℃, so that the cup body of the heat-preservation cup is finally formed. As a further improvement of the invention, after the vacuuming treatment, the outer surface of the shell is polished, painted and silk-screened, and finally the cup cover and the display screen are arranged, so that the heat-insulating cup is manufactured. As a further improvement of the invention, the step of manufacturing the welding piece further comprises the steps of carrying out ultrasonic wave and degreasing cleaning on the welding piece, cleaning and drying. As a further improvement of the present invention, after the welding member is assembled to the housing, the housing and the welding member are integrally cleaned and dried, and the cleaning step includes degreasi