CN205327617U - Metal can - Google Patents

Abstract

The utility model provides a metal can. The metal can of the present utility model comprises: a top cover, a can body and a tank bottom, one end of the can body is connected to the top cover, the other end of the can body is connected to the bottom of the tank, the top cover, The tank body and the tank bottom form an accommodating cavity; the tank body is a gourd-shaped tank body. The utility model increases the volume of the metal can by processing the can body into a gourd shape, improves the strength of the metal can, enriches the shape of the metal can, and improves the user's ability to hold the metal can.

Description

metal can

technical field

The utility model relates to a metal can packaging technology, in particular to a metal can.

Background technique

In recent years, my country's metal packaging industry has made great progress. With excellent printing performance, excellent metal texture, outstanding quality assurance and other characteristics, metal packaging has an irreplaceable position in the food, pharmaceutical and other industries.

With the continuous integration of the metal can packaging industry, the market competition is becoming increasingly fierce. At present, the metal beverage can packaging industry tends to be saturated, and customers have higher and higher requirements for overall packaging. However, the existing metal cans have a single structure and do not meet people's needs. Aesthetic requirements, and the strength of the tank body is low, and it is prone to deformation during normal use, which affects the use effect.

Utility model content

The utility model provides a metal can, which enriches the packaging of the metal can and improves the strength of the metal can.

The utility model provides a metal can, comprising: a top cover, a tank body and a tank bottom, one end of the can body is connected with the top cover, the other end of the can body is connected with the bottom of the tank, and the top The lid, the tank body and the tank bottom form an accommodating cavity;

The can body is a gourd-shaped can body.

Wherein, the gourd-shaped can body is an inflated gourd-shaped can body.

Further, at least one end of the above-mentioned gourd-shaped can body is a constricted end.

Optionally, one end of the gourd-shaped can body is double seamed with the top cover, and the other end of the can body is double seamed with the bottom of the tank.

Optionally, the other end of the gourd-shaped can body and the bottom of the can are integrally stamped and formed.

Optionally, the above-mentioned accommodating cavity is used for containing liquid.

Further, the top cover of the metal tank is provided with a pull ring.

The metal can provided by the utility model is connected with the top cover through one end of the can body, and the other end of the can body is connected with the bottom of the tank, and the top cover, the can body and the bottom of the tank form a container Cavity; the can body is a gourd-shaped can body, which increases the volume of the metal can, improves the strength of the metal can, enriches the shape of the metal can, and processes the can body into a gourd shape, which improves the user's understanding of the metal can. grip.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the appended drawings in the following description The drawings are some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings on the premise of not paying creative labor.

Fig. 1 is the structural representation of the metal tank embodiment one provided by the utility model;

Fig. 2 is a schematic diagram of the force distribution of the can body in the first embodiment of the metal can provided by the present invention;

Fig. 3 is the structural representation of the second embodiment of the metal can provided by the utility model;

Fig. 4 is the structural schematic diagram of the third embodiment of the metal can provided by the utility model;

Fig. 5 is a structural schematic diagram of the fourth embodiment of the metal can provided by the utility model;

Fig. 6 is a schematic structural diagram of the fifth embodiment of the metal can provided by the present invention.

Explanation of reference signs:

100: metal can;

110: top cover;

111: pull ring;

112: groove;

120: tank body;

121: one end of the tank body;

122: the other end of the tank body;

130: tank bottom;

140: first bump;

150: second bump;

170: transition section;

171: first end;

172: second end;

123: shrink neck;

124: Weld seam.

detailed description

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the appended drawings in the following description The drawings are some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings on the premise of not paying creative labor.

At present, the design shape of metal cans is single, which cannot meet people's growing aesthetic needs. At the same time, cylindrical metal cans have low strength and are prone to deformation during normal use.

The technical solution provided by the utility model aims to solve the shortcomings of the metal cans in the prior art, and provide users with a metal can with specific shape, high strength and comfortable grip. The metal can provided by the utility model can be used for packaging food, medicine and daily necessities.

Fig. 1 is a structural schematic diagram of the first embodiment of the metal can provided by the utility model. The metal can 100 provided by this embodiment is larger than the cylindrical metal can of the same type and has high strength. As shown in Fig. 1, this embodiment provides The metal can 100 includes: a top cover 110, a can body 120 and a can bottom 130, one end 121 of the can body 120 is connected to the top cover 110, and the other end 122 of the can body 120 is connected to the bottom 130 , the top cover 110 , the tank body 120 and the tank bottom 130 form an accommodating cavity; the tank body 120 is a gourd-shaped tank body 120 .

Specifically, the material used in the metal can 100 of this embodiment may be aluminum or tinplate. In the process of processing the metal can 100, the above-mentioned materials are first used to process the cylindrical can body, the bottom 130 and the top cover 110, and then the The cylindrical tank body is processed into a gourd shape, that is, two protrusions are processed on the cylindrical tank body, and the two protrusions are shaped like a gourd, and the two protrusions of the gourd-shaped tank body 120 can be the same size or can be Not the same, the size and shape of the two protrusions on the tank body 120 are designed according to actual needs. Then the other end 122 of the can body 120 is connected with the bottom 130 of the tank to form an accommodating chamber. The gourd-shaped can body 120 increases the volume of the metal can 100 without increasing the material, improves the utilization rate of the material, and simultaneously The gourd-shaped protrusions on the can body 120 can form ribs, which can transfer the force in the vertical direction to the arc surface of the can body 120, and the arc-shaped surface decomposes the force to form a vertical direction. The force in the horizontal direction and the force in the horizontal direction reduce the force exerted on the can body 120 in the vertical direction, thereby improving the strength of the metal can 100 and enhancing the ability of the metal can 100 to resist deformation.

For example, Fig. 2 is a schematic diagram of the force distribution of the can body in the first embodiment of the metal can provided by the present invention. As shown in Fig. 2, the first protrusion 140 on the can body 120 is taken as the research object for force analysis. The force analysis principle of the second protrusion 150 on the can body 120 is the same as that of the first protrusion 140 , and will not be repeated here. First, apply a vertical force F=200N to the metal can 100, the arc length of the arc segment formed by the first protrusion 140 on the can body 120 is 100 mm, and set five points on the arc length as A, B, and C , D, E, the arc length distance between each point is 20mm, the angle between point A and the horizontal direction is 30°, the angle between point B and the horizontal direction is 60°, and the angle between point C and the horizontal direction is 90°, the angle between point D and the horizontal direction is 120°, and the angle between point E and the horizontal direction is 150°, now one end 121 of the tank body 120 exerts a force with a magnitude of F=200N and a vertical downward direction (For the convenience of analysis, it is assumed that the force is directly applied from the previous point to the next point and there is no change in the middle, that is, the force at point A is directly transferred to point B without any change in the middle, but the actual force change is continuous). The force in the vertical direction borne by the above-mentioned points on the body 120 is analyzed, wherein the force in the vertical direction borne by point A is The vertical force on point B is The vertical force on point C is The vertical force on point D is F ₄ =F ₃ ×cos120°=-75N, and the vertical force on point E is F ₅ =F ₄ ×cos150°=-75/2N, where the sign Indicates the direction of the force, and the force in the vertical direction that point A bears in each point on the tank body 120 can be obtained from the above calculation Maximum, less than the force F=200N initially applied on the can body 120, and the force on the can body 120 gradually decreases along the height direction of the can body 120, that is, the can body 120 is processed with a gourd-shaped protrusion so that it is applied to the can body 120 The force on the metal can is decomposed, the magnitude of the force on the can body 120 is reduced, and the strength of the metal can 100 is improved.

Further, in the metal can 100 of this embodiment, in order to improve the strength of the metal can 100, the arc length formed by the first protrusion 140 near the end 121 of the can body 120 is longer than the arc length formed by the second protrusion 150, by The above-mentioned analysis shown in Fig. 2 can obtain, and force is gradually smaller along the arc length, and the arc length design of the first protrusion 140 can make the external force decompose on the first protrusion 140, be applied to the second protrusion like this The force on the lifter 150 becomes smaller, which can better protect the can body 120, further improves the strength of the metal can 100, and improves the ability of the metal can 100 to resist deformation.

In the metal can 100 in this embodiment, the other end 122 of the can body 120 is connected to the bottom 130 of the can to form a metal can 100 without a cover. The metal can 100 without a cover also needs to be cleaned, sterilized, etc. Add contents (such as beverages) into the lidless metal can 100, and connect the top cover 110 to the end 121 of the can body 120 after the filling is completed. The connection of the top cover 110 is a sealed connection.

Furthermore, the metal can 100 provided by this utility model processes the can body 120 into a gourd shape, which changes the simplification of the shape of the existing cylindrical metal can. At the same time, the gourd-shaped protrusion and the concave shape formed by the user's palm Better fit, ie, the ergonomic design improves the user's comfort when holding the metal can 100 .

The metal can provided by the utility model increases the volume of the metal can, improves the strength of the metal can, and enriches the shape of the metal can by processing the can body into a gourd shape. Or the grip of metal cans.

Fig. 3 is a schematic structural diagram of the second embodiment of the metal can provided by the present invention. On the basis of the embodiment shown in Fig. 1, as shown in Fig. 3, the gourd-shaped can body of the metal can 100 provided by this embodiment 120 is the gourd-shaped tank body 120 of the swelling type.

Specifically, on the basis of the cylindrical can body, the cylindrical can body is processed into a gourd-shaped can body 120 through an expanding process, that is, two protrusions are processed on the can body 120, and the diameter of the largest protrusion is larger than The diameter of the cylindrical can body, the diameter of one end 121 and the other end 122 of the gourd-shaped can body 120 remains constant equal to the diameter of the cylindrical can body.

For example, the can body 120 of the 6165# cylindrical metal can needs to be processed into a gourd-shaped can body 120, wherein the diameter of the 6165# cylindrical metal can is 57mm, the height is 165mm, and the volume is 500ml. In the processing process, firstly, the middle part of the cylindrical can body is processed into a gourd shape, and the two ends of the can body 120 remain unchanged, wherein the maximum diameter of the can body 120 is 73mm, and the diameter of the two ends is 57mm. The diameter of the transition section 170 of the protrusion 150 is 57 mm, and the height of the first protrusion 140 of the gourd-shaped can body 120 is 100 mm, that is, the distance from one end 121 of the can body 120 to the first end 171 of the transition section 170 is 100 mm. The height of the second protrusion 150 of the shaped tank body 120 is 60mm, that is, the distance from the second end 172 of the transition section 170 to the other end 122 of the tank body 120 is 60mm, and the first end 171 of the transition section 170 is connected to the second end. The distance between 172 is 5mm. At this time, the volume of the metal can 100 is 575ml, and the volume of the metal can 100 is 75ml larger than that of the cylindrical metal can of the same model.

The above-mentioned gourd-shaped can body 120 increases the volume while the gourd-shaped protrusions form swelling ribs, which improves the strength of the metal can 100, and the shape of the metal can 100 of the gourd-shaped can body 120 is unique, making the metal can 100 The packaging is richer, and the gourd-shaped can body 120 is more convenient for users to hold.

The expanding process in this embodiment can be completed by using a mold or a mechanical expanding shaft.

For example, when a mold is used to expand the can body 120, the inner cavity of the mold is processed into a gourd shape, the diameter of the upper and lower openings of the mold is the same as the diameter of the two ends of the can body 120, and the cylindrical can body is processed into an expanded shape. The gourd-shaped can body 120 is specifically to place the cylindrical can body at the preset position of the mold, and then add high-pressure gas or high-pressure water to one end 121 of the cylindrical can body 120 to pressurize the cylindrical can body 120 , when the cylindrical can body 120 fits with the gourd-shaped inner cavity of the mould, the pressurization is stopped, and the can body 120 is taken out from the mould. When using the mechanical expansion shaft to expand the tank body 120, the mechanical expansion shaft is first extended to the preset position of the cylindrical tank body 120, and then the mechanical expansion shaft is pressurized to make the expansion shaft on the mechanical expansion shaft When the keys are lifted up, all the keys on the mechanical expansion shaft are lifted to form a gourd-shaped shape, and the gourd-shaped keys support the can body 120 to form an inflated gourd-shaped can body 120 .

In the metal can provided by the utility model, the can body is processed into an expanding gourd-shaped can body through an expanding process. The processing method is simple and easy to operate, and the expanded ribs are formed to improve the strength of the metal can.

Further, in order to improve the strength of the metal can 100 , at least one end of the gourd-shaped can body 120 of the metal can 100 in this embodiment is a constricted end.

Specifically, at least one end of the can body 120 in this embodiment is a necked end, that is, one end 121 of the can body 120 can be necked, the other end 122 of the can body 120 can be necked, or both ends of the can body 120 can be necked. Necking is carried out, the necking can be double necking, triple necking or rotary compression necking, wherein the strength of the can body 120 of the triple necking is higher than that of the can body 120 of the double necking, but the corresponding process steps are also increased, so The number of necking times and the number of necking ends of the can body 120 can be selected according to actual production needs. The other end 122 of the can body 120 of the metal can 100 shown in FIG. 3 is necked to form a neck 123 .

It should be noted that the necking of at least one end of the can body 120 is to strengthen the edge of the can body 120 and enhance the protective effect of the end of the can body 120 on the can body 120, while the necking of one end 121 of the can body 120 is aligned with the top The cover 110 plays a protective role, making the connection between the top cover 110 and the can body 120 more convenient, and constricting the end of the can body 120 so that the size of the end becomes smaller, which increases the specificity of the shape of the metal can 100 .

The metal can provided by the utility model further improves the strength of the metal can by necking at least one end of the can body, protects the top cover, and enriches the shape of the metal can.

Figure 4 is a schematic structural view of the third embodiment of the metal can provided by the present invention. On the basis of the above-mentioned embodiment, as shown in Figure 4, the metal can 100 of this embodiment is a three-piece can, and one end of the can body 120 121 and the top cover 110 are formed by double seaming, and the other end 122 of the can body 120 and the bottom 130 are formed by double seaming.

Specifically, the three-piece can of the present utility model includes a top cover 110, a can body 120 and a can bottom 130, wherein there is a weld 124 on the can body 120, and the processing flow of the three-piece can can be as follows: the first step, the color printing iron Carry out cutting and generate a large shearing plate and two small shearing plates, the small shearing plate is tank bottom 130 and top cover 110, and big shearing plate is used to generate tank body 120; end welding or seaming to form a cylindrical tank body 120; the third step is to neck at least one end of the cylindrical tank body 120; the fourth step is to flang the two ends of the tank body 120. In order to enhance the strength of the port of the can body 120, and prevent the sharp metal edge from scratching the user; the fifth step is to expand the can body 120 after the necking and flanging treatment, so that the middle part of the can body 120 is convex and formed For the gourd-shaped can body 120, the specific expansion treatment method refers to the above-mentioned embodiment, and will not be repeated here; the sixth step is to seal the other end 122 of the can body 120 after the expansion treatment with the bottom 130 of the tank. Form an accommodating cavity; the seventh step is to pack the lidless metal cans 100 generated in the above steps into storage; the eighth step is to transport the lidless metal cans 100 in the warehouse to the production line, and pack Put the contents (such as beverages); in the ninth step, add a top cover 110 on the canned metal can 100 without a cover, so that the top cover 110 is connected with one end 121 of the can body 120, and this connection can be realized by using a can seamer .

The connection between the top cover 110 and the one end 121 of the can body 120 can be a seaming connection, and the connection between the can bottom 130 and the other end 122 of the can body 120 can be realized in a seaming machine.

The metal can provided by the utility model forms a three-piece can by double-sealing one end of the can body and the top cover, and double-sealing the other end of the can body and the bottom of the tank to form a three-piece can, and performs expansion processing on the can body to produce The raised can body in the middle increases the volume of the three-piece can, improves the strength of the three-piece can, and enriches the shape of the three-piece can.

Fig. 5 is a structural schematic diagram of the fourth embodiment of the metal can provided by the utility model. The metal can 100 of this embodiment can be a two-piece can. As shown in Fig. 5, the metal can 100 of this embodiment, the can body 120 and The tank bottom 130 is integrally formed by stamping.

Specifically, the two-piece can in this embodiment includes a can body 120, a can bottom 130, and a top cover 110, wherein the can body 120 and the can bottom 130 are integrated, and the two-piece can is produced by multiple stretching can methods, and its specific The processing flow can be as follows: the first step is to stamp the color printing iron once to form a punching cup; the second step is to carry out secondary stamping on the above punching cup to form a cylindrical can body 120, and the stamped can body 120 and the bottom of the can 130 is a whole, which enhances the strength of the metal can 100, and the thickness of the can body 120 is basically the same as that of the bottom 130, which avoids the problems caused by uneven materials; the third part, due to the above stamping process, the plasticity of the color printing plate Changes occur, and the pattern on the color printing plate generates a certain flow with stamping. In order to stabilize the performance of the stamped color printing plate, the stamped can body 120 and the bottom 130 are baked; the fourth step is to bake the stamped can body One end 121 of 120 is trimmed, and the excess color printing plate material is trimmed; the fifth step, the cylindrical tank body 120 after trimming is expanded, so that the middle part of the tank body 120 is a gourd-shaped tank body in a raised shape 120, wherein the specific expansion processing method refers to the above-mentioned embodiment, and will not be repeated here; the sixth step is to pack the lidless metal cans 100 generated in the above steps into storage; the seventh step is to pack the lidless metal cans 100 in the warehouse The can 100 is transported to the production line, and the contents (such as beverage) are loaded into the open metal can 100; in the eighth step, a top cover 110 is added on the good open cover metal can 100 of the canning, so that the top cover 110 is in contact with the can One end 121 of body 120 is connected, and this connection can be realized by using a can seamer.

The connection between the top cover 110 and the one end 121 of the can body 120 can be a seaming connection, and the connection between the can bottom 130 and the other end 122 of the can body 120 can be realized in a seaming machine.

The metal can provided by the utility model forms a two-piece can by integrally stamping the can body and the bottom of the can, and expands the can body of the two-piece can to form a gourd-shaped metal two-piece can, while increasing the volume of the metal can The strength of the metal can is improved, and the gourd-shaped can body enriches the shape of the two-piece can, which also makes it convenient for users to hold the metal can.

Optionally, the accommodating cavity of the metal can 100 of the present utility model can be used to hold liquid, and at this time, the requirements for the strength of the metal can 100 are higher, which is mainly because the liquid, especially the liquid with a certain pressure (such as carbonated beverage ) metal can 100 is deformed when it is subjected to external pressure, so that the volume of the accommodating cavity decreases, causing the pressure in the accommodating cavity to increase. When the pressure in the accommodating cavity increases to a certain value, the metal can 100 will explode, causing safety hazards.

In order to solve the above problems, the utility model forms a gourd-shaped can body 120 through an expansion process, and the protrusions of the gourd-shaped can body 120 form expansion ribs, which improves the strength of the metal can 100 and prevents the metal can 100 from deforming. Security risks.

When the accommodating cavity of the metal tank of the utility model is filled with liquid, the middle part of the tank body is raised to form swelling ribs through the expansion process, thereby improving the strength of the metal tank and preventing the safety problem caused by the deformation of the metal tank containing the liquid .

Fig. 6 is a schematic structural diagram of the fifth embodiment of the metal can provided by the present invention. On the basis of the above embodiments, as shown in Fig. 6 , the top cover 110 of the metal can in this embodiment is provided with a pull ring 111 .

Specifically, in order to facilitate the user to open the top cover 110, a pull ring 111 can be set on the top cover 110, and the pull ring 111 is located at the end of the top cover 110 near the can body, and a groove 112 is also arranged on the top cover 110. , the shape of the groove 112 can be rectangular, the depth of the groove 112 can be the same as the thickness of the pull ring 111, wherein the pull ring 111 is set in the groove 112, when the user pulls the pull ring 111, the top cover 110 Opening along the edge of the groove 112 , an opening with the same shape as the groove 112 is formed on the top cover 110 , and the content in the metal can accommodating cavity flows out through the opening on the top cover 110 .

It should be noted that the size and shape of the opening on the top cover 110 can be designed accordingly according to actual needs, and the utility model does not limit the size and shape of the opening formed by pulling the pull ring 111 on the top cover 110 .

The metal can provided by the utility model is provided with a pull ring on the top cover, which is convenient for the user to open the top cover and take out the contents in the storage chamber.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present utility model, and are not intended to limit it; although the present utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand : It can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements to some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions depart from the embodiments of the present utility model Scope of technical solutions.

Claims (7)

1. A metal can, characterized in that it comprises: a top cover, a can body and a can bottom, one end of the can body is connected with the top cover, and the other end of the can body is connected with the bottom of the can, so The top cover, the tank body and the tank bottom form an accommodating cavity; The can body is a gourd-shaped can body. 2. The metal can according to claim 1, characterized in that, the gourd-shaped can body is an expanding gourd-shaped can body. 3. The metal can according to claim 2, wherein at least one end of the gourd-shaped can body is a constricted end. 4. The metal can according to any one of claims 1-3, characterized in that, one end of the can body and the top cover are formed by double seaming, and the other end of the can body and the can The bottom is double seamed. 5. The metal can according to any one of claims 1-3, characterized in that, the other end of the can body and the can bottom are integrally formed by stamping. 6. The metal can according to any one of claims 1-3, wherein the accommodating cavity is used for containing liquid. 7. The metal can according to any one of claims 1-3, characterized in that a pull ring is provided on the top cover.