阅读说明：本技术 一种抗菌保温杯及其加工工艺 (Antibacterial vacuum cup and processing technology thereof ) 是由 应警辉 赵波 王俊 徐益平 李晨晨 欧宇欣 于 2020-12-08 设计创作，主要内容包括：一种抗菌保温杯,包括同心设置的钛金属层、内胆层和外壳,内胆层包裹于钛金属层外,外壳包裹于内胆层外；所述钛金属层底部焊接有钛底座,内胆层底部焊接有内胆底座；所述钛金属层底部位于内胆层底部下方,且内胆层底部形成有折边结构,折边结构与钛金属层外表面之间形成有间隙；所述钛金属层顶部与内胆层顶部焊接固定,外壳顶部与内胆层焊接固定；与现有技术相比,通过通过设置钛金属层的长度大于内胆层的长度,使得钛金属层底部和内胆层底部不同的高度差,在钛金属层底部焊接钛底座的过程中不与内胆层形成干涉,且内胆层底部形成折边结构,内胆层底部在与内胆底座焊接过程中不与钛金属层形成干涉。(An antibacterial vacuum cup comprises a titanium metal layer, an inner container layer and a shell which are concentrically arranged, wherein the inner container layer is wrapped outside the titanium metal layer, and the shell is wrapped outside the inner container layer; the bottom of the titanium metal layer is welded with a titanium base, and the bottom of the inner container layer is welded with an inner container base; the bottom of the titanium metal layer is positioned below the bottom of the inner container layer, a folded edge structure is formed at the bottom of the inner container layer, and a gap is formed between the folded edge structure and the outer surface of the titanium metal layer; the top of the titanium metal layer is welded and fixed with the top of the inner container layer, and the top of the shell is welded and fixed with the inner container layer; compared with the prior art, the length through setting up the titanium metal layer is greater than the length on inner bag layer for the difference in height in titanium metal layer bottom and inner bag layer bottom are different, do not form the interference with the inner bag layer in the in-process of titanium base welding in titanium metal layer bottom, and inner bag layer bottom forms hem structure, and inner bag layer bottom is not forming the interference with the titanium metal layer with inner bag base welding process.)

1. An antibacterial vacuum cup is characterized by comprising a titanium metal layer (1), a liner layer (2) and a shell (4) which are concentrically arranged, wherein the liner layer (2) is wrapped outside the titanium metal layer (1), and the shell (4) is wrapped outside the liner layer (2); a titanium base (1-1) is welded at the bottom of the titanium metal layer (1), and a liner base (2-1) is welded at the bottom of the liner layer (2); the bottom of the titanium metal layer (1) is positioned below the bottom of the inner container layer (2), a folding edge structure (3) is formed at the bottom of the inner container layer (2), and a gap is formed between the folding edge structure (3) and the outer surface of the titanium metal layer (1); the top of the titanium metal layer (1) is welded and fixed with the top of the inner container layer (2), and the top of the shell (4) is welded and fixed with the inner container layer (2).

2. An antibacterial vacuum cup according to claim 1, characterized in that the edge folding structure (3) and the bottom of the inner container layer (2) are of an integral structure, the edge folding structure (3) comprises a horizontal section (3-1) and a connecting section (3-2) which are connected, and the horizontal section (3-1) and the connecting section (3-2) are of an annular structure.

3. An antibacterial thermos cup according to claim 2, characterized in that the inner side of the horizontal section (3-1) is connected with the bottom of the inner container layer (2), the connecting section (3-2) is connected with the outer side of the horizontal section (3-1), and the connecting section (3-2) is arranged in parallel with the outer surface of the corresponding titanium metal layer (1).

4. An antibacterial thermos cup according to claim 1, characterized in that the liner base (2-1) comprises a bottom plate (2-3) and a connecting ring (2-2) connected to the edge of the bottom plate (2-3), and the connecting ring (2-2) is arranged in parallel with the outer surface of the corresponding titanium metal layer (1).

5. An antibacterial vacuum cup according to claim 4, characterized in that the connecting ring (2-2) is welded and fixed with the connecting section (3-2), the connecting ring (2-2) is connected with the inner wall of the connecting section (3-2), and the top of the connecting ring (2-2) is abutted against the horizontal section (3-1).

6. An antibacterial vacuum cup according to claim 1, characterized in that the inner container base (2-1) is wrapped around the bottom of the titanium metal layer (1) and the titanium base (1-1).

7. An antibacterial thermos cup according to claim 1, characterized in that the titanium metal layer (1) and the inner container layer (2) are respectively formed by spinning.

8. An antibacterial thermos cup according to claim 1, characterized in that the shell (4) and the liner layer (2) are made of stainless steel material or copper material or iron material or aluminum material.

9. A processing technology of an antibacterial vacuum cup is characterized by comprising the following steps:

step A: selecting two metal pipes and titanium pipes with different lengths, wherein the length of the metal pipe is less than that of the titanium pipe, and the diameter of the metal pipe is greater than that of the titanium pipe;

and B: respectively processing a metal pipe and a titanium material pipe by adopting a spinning process, spinning the thickness of the metal pipe to 0.13-0.2mm to form an inner container layer (2), and spinning the thickness of the titanium material pipe to 0.2-0.3mm to form a titanium metal layer (1);

and C: bending one end of the inner container layer (2) to form a hem structure (3);

step D: sleeving the inner container layer (2) outside the titanium metal layer (1), tightly attaching the inner container layer (2) to the titanium metal layer (1), forming a gap between the edge folding structure (3) and the titanium metal layer (1), and enabling the length of the inner container layer (2) to be smaller than that of the titanium metal layer (1);

step E: aligning the top of the inner container layer (2) with the top of the titanium metal layer (1), and welding and fixing the top of the inner container layer (2) and the top of the titanium metal layer (1);

step F: welding and sealing the bottom of the titanium metal layer (1);

step G: welding and sealing the bottom of the inner container layer (2);

step H: the outer shell (4) is welded outside the inner container layer (2).

10. The processing technology of an antibacterial thermos cup according to claim 9, characterized in that the shell (4) and the inner liner layer (2) are made of stainless steel material or copper material or iron material or aluminum material.

Technical Field

The invention belongs to the technical field of vacuum cups, and particularly relates to an antibacterial vacuum cup and a processing technology thereof.

Background

The vacuum cup is a container made of ceramic or stainless steel and vacuum layer, the top of the container is covered tightly, the vacuum heat insulating layer can delay the heat dissipation of the liquid such as water in the container, so as to achieve the purpose of heat preservation. The thermos cup is developed from a thermos bottle, the heat preservation principle is the same as that of the thermos bottle, and people only make the bottle into a cup conveniently. The titanium inner container is an inner container of the electric water heater made of titanium-containing metal. The liner has high strength, high temperature resistance, corrosion resistance and stable performance, and can be selected from horizontal type, vertical type, cylinder and cube.

The titanium metal inner container vacuum cups on the market at present are often complex in structure and low in use value, and are made of titanium alloy or stainless steel for good appearance and rust prevention, the titanium alloy is high in price, and the stainless steel is not glossy, so that the appearance is influenced. Chinese patent No. CN111250620A discloses a vacuum cup with a titanium composite inner container and a manufacturing process thereof, which comprises an inner container body, the inner container body comprises a first inner container layer and a second inner container layer, the first inner container layer and the second inner container layer are concentrically arranged, the first inner container layer is made of stainless steel material or copper material or iron material or aluminum material, the second inner container layer is made of titanium material, the lower end of the inner container body is provided with a first bottom layer and a second bottom layer, the first bottom layer is made of stainless steel material, the second bottom layer is made of titanium material, the first bottom layer is fixedly connected with the lower end part of the first inner container layer, and the second bottom layer is fixedly connected with the lower end part of the second inner container layer.

Above-mentioned this kind of thermos cup titanium metal layer that discloses and the synchronous machine-shaping of inner bag layer wear to establish again and carry out synchronous spinning to titanium metal layer and inner bag layer after accomplishing, because inner bag layer and titanium are different metals, have different ductility and intensity, at the moulding spinning in-process of reality, inner bag layer and titanium metal layer are difficult to accomplish effectual spinning precision.

In addition, the height of the titanium metal layer is the same as that of the bottom of the inner container layer, the inner container layer is interfered certainly in the welding process of the titanium metal layer, and the titanium metal layer is positioned on the inner side, so that the reasonable, effective and reliable welding of the titanium metal layer is difficult to achieve in the actual operation, and the sealing property and the antibacterial property of the titanium metal layer are influenced.

Disclosure of Invention

The invention aims to overcome the defects in the prior art and provides the antibacterial vacuum cup with simple structure, stable welding, safety and reliability and the processing technology thereof.

In order to achieve the above purposes, the technical scheme adopted by the invention is as follows: an antibacterial vacuum cup comprises a titanium metal layer, an inner container layer and a shell which are concentrically arranged, wherein the inner container layer is wrapped outside the titanium metal layer, and the shell is wrapped outside the inner container layer; the bottom of the titanium metal layer is welded with a titanium base, and the bottom of the inner container layer is welded with an inner container base; the bottom of the titanium metal layer is positioned below the bottom of the inner container layer, a folded edge structure is formed at the bottom of the inner container layer, and a gap is formed between the folded edge structure and the outer surface of the titanium metal layer; the top of the titanium metal layer is welded and fixed with the top of the inner container layer, and the top of the shell is welded and fixed with the inner container layer.

As a preferable scheme of the invention, the edge folding structure and the bottom of the liner layer are of an integral structure, the edge folding structure comprises a horizontal section and a connecting section which are connected, and the horizontal section and the connecting section are both of annular structures.

As a preferable scheme of the invention, the inner side of the horizontal section is connected with the bottom of the inner container layer, the connecting section is connected with the outer side of the horizontal section, and the connecting section is arranged in parallel with the outer surface of the corresponding titanium metal layer.

As a preferred scheme of the invention, the inner container base comprises a bottom plate and a connecting ring connected with the edge of the bottom plate, and the connecting ring is arranged in parallel with the outer surface of the corresponding titanium metal layer.

As a preferable scheme of the invention, the connecting ring is fixedly welded with the connecting section, the connecting ring is connected to the inner wall of the connecting section, and the top of the connecting ring is abutted against the horizontal section.

As a preferred scheme of the invention, the inner container base wraps the bottom of the titanium metal layer and the titanium base.

As a preferred scheme of the invention, the titanium metal layer and the inner container layer are respectively formed by spinning.

In a preferred embodiment of the present invention, the outer shell and the inner container layer are made of stainless steel material, copper material, iron material or aluminum material.

A processing technology of an antibacterial vacuum cup comprises the following steps:

step A: selecting two metal pipes and titanium pipes with different lengths, wherein the length of the metal pipe is less than that of the titanium pipe, and the diameter of the metal pipe is greater than that of the titanium pipe;

and B: respectively processing a metal pipe and a titanium material pipe by adopting a spinning process, wherein the thickness of the metal pipe is spun to 0.3-0.6mm to form an inner container layer, and the thickness of the titanium material pipe is spun to 0.2-0.3mm to form a titanium metal layer;

and C: bending one end of the inner container layer to form a hem structure;

step D: sleeving the inner container layer outside the titanium metal layer, tightly attaching the inner container layer to the titanium metal layer, forming a gap between the edge folding structure and the titanium metal layer, and enabling the length of the inner container layer to be smaller than that of the titanium metal layer;

step E: aligning the top of the inner container layer with the top of the titanium metal layer, and welding and fixing the top of the inner container layer and the top of the titanium metal layer;

step F: welding and sealing the bottom of the titanium metal layer;

step G: welding and sealing the bottom of the inner container layer;

step H: the outer shell is welded outside the inner container layer.

In a preferred embodiment of the present invention, the outer shell and the inner container layer are made of stainless steel material, copper material, iron material or aluminum material.

Compared with the prior art, the invention has the beneficial effects that: the length of the titanium metal layer is larger than that of the inner container layer, so that the bottom of the titanium metal layer and the bottom of the inner container layer have different height differences, the titanium base is not interfered with the inner container layer in the process of welding the bottom of the titanium metal layer, the bottom of the inner container layer forms a folding edge structure, and the bottom of the inner container layer is not interfered with the titanium metal layer in the process of welding the bottom of the inner container layer with the inner container base; meanwhile, the titanium metal layer, the inner container layer and the shell are respectively and independently processed, so that the whole structure has better precision and reliability.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view showing the connection between the titanium metal layer and the inner container layer;

FIG. 3 is a schematic view of the connection of a titanium metal layer and a titanium base;

FIG. 4 is a schematic view of the connection between the liner layer and the liner base;

FIG. 5 is an enlarged view of a portion of FIG. 4 at A;

reference numbers in the figures: the device comprises a titanium metal layer 1, a titanium base 1-1, an inner container layer 2, an inner container base 2-1, a connecting ring 2-2, a bottom plate 2-3, a folding edge structure 3, a horizontal section 3-1, a connecting section 3-2 and a shell 4.

Detailed Description

The following describes embodiments of the present invention in detail with reference to the accompanying drawings.

As shown in fig. 1-5, an antibacterial vacuum cup comprises a titanium metal layer 1, an inner container layer 2 and a shell 4 which are concentrically arranged, wherein the inner container layer 2 is wrapped outside the titanium metal layer 1, and the shell 4 is wrapped outside the inner container layer 2; the bottom of the titanium metal layer 1 is welded with a titanium base 1-1, and the bottom of the inner container layer 2 is welded with an inner container base 2-1; the bottom of the titanium metal layer 1 is positioned below the bottom of the inner container layer 2, a folding edge structure 3 is formed at the bottom of the inner container layer 2, and a gap is formed between the folding edge structure 3 and the outer surface of the titanium metal layer 1; the top of the titanium metal layer 1 is welded and fixed with the top of the inner container layer 2, and the top of the shell 4 is welded and fixed with the inner container layer 2.

The inner wall of the inner container layer 2 is abutted to the outer wall of the titanium metal layer 1, after the top of the inner container layer 2 is welded and fixed with the top of the titanium metal layer 1, the bottom of the titanium metal layer 1 is located below the bottom of the inner container layer 2, the bottom of the titanium metal layer 1 is exposed in the air at the moment, the bottom of the titanium metal layer 1 cannot interfere with the inner container layer 2 when the titanium base 1-1 is welded, the welding of the titanium base 1-1 and the titanium metal layer 1 is facilitated, the inner container base 2-1 is welded on the edge folding structure 3 of the inner container layer 2, the edge folding structure 3 extends along the outer side of the inner container layer 2, a gap is formed between the edge folding structure 3 and the outer surface of the titanium metal layer 1, and the welding of the inner container base 2.

The bottom of the edge folding structure 3 and the bottom of the inner container layer 2 are of an integral structure, the edge folding structure 3 comprises a horizontal section 3-1 and a connecting section 3-2 which are connected, the horizontal section 3-1 and the connecting section 3-2 are of annular structures, the inner side of the horizontal section 3-1 is connected with the bottom of the inner container layer 2, the connecting section 3-2 is connected to the outer side of the horizontal section 3-1, and the connecting section 3-2 is arranged in parallel with the outer surface of the corresponding titanium metal layer 1.

Hem structure 3 is through outwards overturning bottom inner bag layer 2, and will outwards overturn the section and overturn downwards again and obtain, is formed with the cavity structure in certain clearance between hem structure 3 and inner bag layer 2, the placing and the connection at the inner bag base 2-1 top of being convenient for, and the cavity structure in this certain clearance also be convenient for inner bag base 2-1 with inner bag layer 2 welding process, reduce the interference of titanium metal level 1 to inner bag layer 2.

A step-shaped structure is formed between the edge folding structure 3 and the inner container layer 2, the horizontal section 3-1 and the connecting section 3-2 are vertically arranged at 90 degrees, the horizontal section 3-1 and the inner container layer 2 are also vertically arranged at 90 degrees, the connecting section 3-2 and the inner container layer 2 are arranged in parallel, and a gap is formed between the connecting section 3-2 and the titanium metal layer 1.

The inner container base 2-1 comprises a bottom plate 2-3 and a connecting ring 2-2 connected to the edge of the bottom plate 2-3, the connecting ring 2-2 is arranged in parallel with the outer surface of the corresponding titanium metal layer 1, the connecting ring 2-2 is welded and fixed with the connecting section 3-2, the connecting ring 2-2 is connected to the inner wall of the connecting section 3-2, and the top of the connecting ring 2-2 is abutted to the horizontal section 3-1.

The connecting ring 2-2 and the bottom plate 2-3 are of an integrally formed structure, the size of the bottom plate 2-3 is larger than that of the titanium base 1-1, the top of the connecting ring 2-2 is positioned in a cavity structure with a certain gap formed between the edge folding structure 3 and the inner container layer 2, the inner container base 2-1 and the inner container layer 2 are fixedly connected through welding, the top of the connecting ring 2-2 abuts against the horizontal section 3-1, the top side wall of the connecting ring 2-2 abuts against the connecting section 3-2, and the joint of the top side wall of the connecting ring 2-2 and the bottom of the connecting section 3-2 is fixedly connected through welding.

The inner container base 2-1 is used for wrapping the bottom of the titanium metal layer 1 and the titanium base 1-1, the titanium metal layer 1 and the inner container layer 2 are formed through spinning respectively, a formed tube blank is rolled and elongated while being thinned through a thinning rolling process, and after the tube blank which is rolled and elongated is cleaned up, the tube blank is welded with an inner bottom made of the same material through laser welding to form a semi-closed barrel serving as an inner layer part of the vacuum cup. The tube blank after being spirally thinned and elongated has fine surface grains, and the volume of the tube blank is increased under the condition that the gram weight of the material is not changed. The utilization rate of the material is greatly improved.

The tube material of the inner container layer 2 is rotated to be thin and elongated by utilizing a hydraulic expansion process, and the tube material has a suitable size, namely the inner diameter of the formed inner container layer 2 is excessively matched with the outer diameter of the titanium metal layer 1 after being rotated to be thin and elongated.

The titanium metal layer 1 is pressed into the inner container layer 2 by utilizing the stretching principle, so that the inner container layer 2 is tightly wrapped on the pipe wall of the titanium metal layer 1 to form an integral inner container.

The shell 4 and the inner container layer 2 are made of stainless steel materials or copper materials or iron materials or aluminum materials.

A processing technology of an antibacterial vacuum cup comprises the following steps:

step A: two metal pipes and titanium pipes with different lengths are selected, the length of the metal pipe is smaller than that of the titanium pipe, and the diameter of the metal pipe is larger than that of the titanium pipe.

And B: respectively processing the metal pipe and the titanium pipe by adopting a spinning process, spinning the thickness of the metal pipe to 0.13-0.2mm to form an inner container layer 2, and spinning the thickness of the titanium pipe to 0.2-0.3mm to form a titanium metal layer 1.

The tube material of the inner container layer 2 is rotated to be thin and elongated by utilizing a hydraulic expansion process, and the tube material has a suitable size, namely the inner diameter of the formed inner container layer 2 is excessively matched with the outer diameter of the titanium metal layer 1 after being rotated to be thin and elongated.

And C: bending one end of the inner container layer 2 to form the edge folding structure 3, so that a cavity structure with a certain gap is formed between the edge folding structure 3 and the inner container layer 2, and the inner container base 2-1 can be welded and fixed conveniently in the later period.

Step D: the inner container layer 2 is sleeved outside the titanium metal layer 1, the inner container layer 2 is tightly attached to the titanium metal layer 1, and the pipe of the inner container layer 2 is thinned and elongated by a hydraulic expansion process, so that the pipe has a suitable size, namely the inner diameter of the formed inner container layer 2 is excessively matched with the outer diameter of the thinned and elongated titanium metal layer 1.

A gap is formed between the edge folding structure 3 and the titanium metal layer 1, and the length of the inner container layer 2 is smaller than that of the titanium metal layer 1, so that the bottom of the titanium metal layer 1 is exposed in the air, and the titanium base 1-1 is conveniently connected with the titanium metal layer 1.

Step E: the top of the inner container layer 2 is aligned with the top of the titanium metal layer 1, the top of the inner container layer 2 and the top of the titanium metal layer 1 are welded and fixed, and the top of the inner container layer 2 and the top of the titanium metal layer 1 are fixed through laser welding.

Step F: and welding and sealing the bottom of the titanium metal layer 1, and welding the titanium base 1-1 to the bottom of the titanium metal layer 1 by laser welding.

Step G: and welding and sealing the bottom of the inner container layer 2, and welding the inner container base 2-1 at the bottom of the inner container layer 2 by laser welding.

Step H: the outer shell 4 is welded outside the inner container layer 2.

The shell 4 and the inner container layer 2 are made of stainless steel materials or copper materials or iron materials or aluminum materials.

Based on the advantages of strong antibacterial and corrosion-resistant titanium metal, light weight and the like, the vacuum cup produced by the process not only has the heat preservation performance of the traditional vacuum cup, but also has the characteristics of bacteriostasis, corrosion resistance and the like. Greatly prolonging the service life of the vacuum cup.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention; thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Although the reference numerals in the figures are used more here: the technical scheme includes that the terms of the titanium metal layer 1, the titanium base 1-1, the inner container layer 2, the inner container base 2-1, the connecting ring 2-2, the bottom plate 2-3, the edge folding structure 3, the horizontal section 3-1, the connecting section 3-2, the shell 4 and the like are used, but the possibility of using other terms is not excluded; these terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.