CN114147137A - Manufacturing method of impact-resistant food packaging tin - Google Patents
Manufacturing method of impact-resistant food packaging tin Download PDFInfo
- Publication number
- CN114147137A CN114147137A CN202111390751.5A CN202111390751A CN114147137A CN 114147137 A CN114147137 A CN 114147137A CN 202111390751 A CN202111390751 A CN 202111390751A CN 114147137 A CN114147137 A CN 114147137A
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- Prior art keywords
- aluminum alloy
- outer cylinder
- inner cylinder
- cylinder
- food packaging
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Links
- 238000004806 packaging method and process Methods 0.000 title claims abstract description 41
- 235000013305 food Nutrition 0.000 title claims abstract description 38
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 title claims abstract description 25
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 24
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 56
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 31
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 31
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 25
- 238000007789 sealing Methods 0.000 claims abstract description 9
- 238000007493 shaping process Methods 0.000 claims abstract description 3
- 239000000956 alloy Substances 0.000 claims description 14
- 238000005266 casting Methods 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 6
- 238000012856 packing Methods 0.000 claims description 5
- 238000005728 strengthening Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 238000012545 processing Methods 0.000 abstract description 8
- 238000004080 punching Methods 0.000 abstract 2
- 238000003860 storage Methods 0.000 description 12
- 238000012360 testing method Methods 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 4
- 238000009413 insulation Methods 0.000 description 4
- 238000003672 processing method Methods 0.000 description 4
- 230000035939 shock Effects 0.000 description 4
- 238000004088 simulation Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000009863 impact test Methods 0.000 description 3
- 239000011229 interlayer Substances 0.000 description 3
- 229910000881 Cu alloy Inorganic materials 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 229910000640 Fe alloy Inorganic materials 0.000 description 1
- 229910001021 Ferroalloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 235000021485 packed food Nutrition 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D51/00—Making hollow objects
- B21D51/16—Making hollow objects characterised by the use of the objects
- B21D51/26—Making hollow objects characterised by the use of the objects cans or tins; Closing same in a permanent manner
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Containers Having Bodies Formed In One Piece (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
The invention discloses a manufacturing method of an impact-resistant food packaging tin, relates to the technical field of food packaging tin processing, and particularly relates to a manufacturing method of an impact-resistant food packaging tin, which comprises the following steps: 1. selecting an aluminum plate or an aluminum alloy plate; 2. punching the aluminum plate and the aluminum alloy plate into an aluminum wafer or an aluminum alloy wafer by using a punching machine; 3. drawing and shaping, namely drawing an aluminum wafer and an aluminum alloy sheet into a cylinder by a drawing die; 4. the fixed forming is fixed through an arch bottom forming die, and wedge-shaped shapes which are matched with each other are punched on the peripheries of the sides, close to each other, of the inner cylinder and the outer cylinder; 5. pouring reinforcing ribs in gaps between the inner cylinder and the outer cylinder; 6. and the sealing edge welds and seals the gap between the inner cylinder and the outer cylinder through an aluminum alloy circular ring. The tank body adopts a double-layer structure, and the reinforcing ribs are poured in the double-layer gaps, so that the tank body has the anti-pressure impact capability, and the fireproof and heat-insulating properties of the tank body are improved.
Description
Technical Field
The invention relates to the technical field of food packaging can processing, in particular to a manufacturing method of an impact-resistant food packaging can.
Background
The food is packaged during the processes of processing, transporting, storing, selling and using by consumers. The food packaging container generally refers to a packaging container in direct contact with food, i.e. an inner packaging container. Food packaged in packaging containers or packaging materials, which are commonly referred to as packaging in a processing plant, is referred to as packaged food and existing food packaging containers are often cans.
However, when the existing food packaging tin is transported and used, the phenomenon of deformation of the food packaging tin often occurs due to the fact that the strength of the tin body is low, the overall quality of the food packaging tin is visualized, meanwhile, the food inside the food packaging tin cannot be well protected, and the fireproof and heat insulation effects of the existing food packaging tin are poor, so that the manufacturing method of the shock-resistant food packaging tin is provided to solve the problems.
Disclosure of Invention
The invention aims to provide a manufacturing method of an impact-resistant food packaging tin aiming at the defects of the prior art so as to solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a manufacturing method of an impact-resistant food packaging tin comprises the following steps:
1. selecting materials;
2. stamping;
3. drawing and shaping;
4. fixing and forming;
5. pouring reinforcing ribs;
6. and (7) sealing edges.
As a preferred technical scheme of the present invention, the step 1 specifically comprises the following steps: a. the packing jar inner tube is the aluminum alloy material, and the urceolus is the aluminum alloy material, and the strengthening rib is the aluminum alloy material.
As a preferred technical scheme of the present invention, the step 2 specifically comprises the following steps: b. and (3) stamping the aluminum plate and the aluminum alloy plate into an aluminum wafer and an aluminum alloy wafer by using a stamping machine, wherein the diameter of the aluminum alloy wafer is larger than that of the aluminum wafer.
As a preferred technical solution of the present invention, the specific steps of step 3 are: c. drawing the aluminum wafer and the aluminum alloy sheet into a cylinder by a primary drawing die to form a primary outer cylinder and an inner cylinder; d. the outer cylinder and the inner cylinder are drawn again through a secondary drawing die, the diameter of the outer cylinder and the diameter of the inner cylinder are reduced, and the length of the outer cylinder and the inner cylinder are stretched; e. repeating the steps until the inner cylinder and the outer cylinder reach the specified size.
As a preferred technical solution of the present invention, the step 4 specifically comprises the following steps: f. the inner cylinder and the outer cylinder are fixed through an arch bottom forming die, and wedge-shaped shapes which are matched with each other are punched on the periphery of one side, close to each other, of the inner cylinder and the outer cylinder, so that the inner cylinder and the outer cylinder are fixed.
As a preferred technical solution of the present invention, the step 5 specifically comprises the following steps: g. placing a reinforcing rib mold in a gap between the inner cylinder and the outer cylinder, casting aluminum alloy, and pouring reinforcing ribs in the gap between the inner cylinder and the outer cylinder; h. and (5) carrying out water cooling to rapidly cool the reinforcing rib so as to draw out the forming die.
As a preferred technical solution of the present invention, the step 6 specifically comprises the following steps: i. and welding and sealing the gap between the inner cylinder and the outer cylinder by adopting an aluminum alloy circular ring.
As a preferable technical scheme of the invention, the thickness of the aluminum wafer and the aluminum alloy wafer which are prepared in the step 2 is 1cm, the height of the inner cylinder and the height of the outer cylinder which are prepared in the step 3 are the same, and the inner diameter size of the outer cylinder is larger than the outer diameter size of the inner cylinder.
Compared with the prior art, the invention provides a manufacturing method of an impact-resistant food packaging can, which has the following beneficial effects:
1. the manufacturing method of the shock-resistant food packaging tin adopts a double-layer structure, an interlayer is arranged in the double-layer structure of the food packaging tin, an inner container and an outer container of the food packaging tin are connected in the interlayer in a mode of adopting a reinforcing rib or a triangular steel frame framework, the packaging tin has the effects of pressure resistance and shock resistance, the space in the interlayer is utilized to manufacture the flame-retardant and heat-insulating effects of the packaging tin, the inner container and the outer container adopt the manufacturing means of punch forming, the peripheries of one sides, close to each other, of the inner container and the outer container are punched to form mutually matched wedge shapes, and the reinforcing rib or the triangular steel frame framework is utilized to resist shock, and the food packaging tin has the stable tank body.
Drawings
FIG. 1 is a graph of impact force versus impact trace for the present invention;
FIG. 2 is a graph showing the heating time and the heating degree of the inner cylinder according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 and 2:
the first embodiment is as follows:
the invention relates to a manufacturing method of an impact-resistant food packaging tin, which comprises the following steps:
a. the packing jar inner tube is the aluminum alloy material, and the urceolus is the aluminum alloy material, and the strengthening rib is the aluminum alloy material.
b. And (3) stamping the aluminum plate and the aluminum alloy plate into an aluminum wafer and an aluminum alloy wafer by using a stamping machine, wherein the diameter of the aluminum alloy wafer is larger than that of the aluminum wafer.
c. Drawing the aluminum wafer and the aluminum alloy sheet into a cylinder by a primary drawing die to form a primary outer cylinder and an inner cylinder; d. the outer cylinder and the inner cylinder are drawn again through a secondary drawing die, the diameter of the outer cylinder and the diameter of the inner cylinder are reduced, and the length of the outer cylinder and the inner cylinder are stretched; e. repeating the steps until the inner cylinder and the outer cylinder reach the specified size.
f. The inner cylinder and the outer cylinder are fixed through an arch bottom forming die, and wedge-shaped shapes which are matched with each other are punched on the periphery of one side, close to each other, of the inner cylinder and the outer cylinder, so that the inner cylinder and the outer cylinder are fixed.
g. Placing 4 groups of reinforcing rib molds in the gap between the inner cylinder and the outer cylinder, casting aluminum alloy, and pouring reinforcing ribs in the gap between the inner cylinder and the outer cylinder; h. and (5) carrying out water cooling to rapidly cool the reinforcing rib so as to draw out the forming die.
i. And welding and sealing the gap between the inner cylinder and the outer cylinder by adopting an aluminum alloy circular ring.
As shown in table 1, the results of a simulation test conducted on an existing storage tank of the same specification and a storage tank treated by a special processing method in example 1 under the same force and for the same time on the degree of heat applied to the inner cylinder show that: the existing storage tank has obvious large collision traces, and the inner wall of the tank body is heated after the tank body is heated for three minutes; the industrial tank processed by the special processing technology has smaller collision trace, smaller pits and smaller inner walls without obvious bulges, and the inner cylinder has no obvious temperature change after the outer cylinder is heated for three minutes, so that the processed industrial tank meets the technical requirements in strength, fireproof and heat-insulating capabilities and various tests.
Example two:
the invention relates to a manufacturing method of an impact-resistant food packaging tin, which comprises the following steps:
a. the inner cylinder of the packaging can is made of aluminum plate, the outer cylinder is made of aluminum alloy, and the reinforcing rib is made of copper alloy.
b. And (3) stamping the aluminum plate and the aluminum alloy plate into an aluminum wafer and an aluminum alloy wafer by using a stamping machine, wherein the diameter of the aluminum alloy wafer is larger than that of the aluminum wafer.
c. Drawing the aluminum wafer and the aluminum alloy sheet into a cylinder by a primary drawing die to form a primary outer cylinder and an inner cylinder; d. the outer cylinder and the inner cylinder are drawn again through a secondary drawing die, the diameter of the outer cylinder and the diameter of the inner cylinder are reduced, and the length of the outer cylinder and the inner cylinder are stretched; e. repeating the steps until the inner cylinder and the outer cylinder reach the specified size.
f. The inner cylinder and the outer cylinder are fixed through an arch bottom forming die, and wedge-shaped shapes which are matched with each other are punched on the periphery of one side, close to each other, of the inner cylinder and the outer cylinder, so that the inner cylinder and the outer cylinder are fixed.
g. 4 groups of reinforcing rib molds are placed in the gaps between the inner cylinder and the outer cylinder, copper alloy is selected for casting, and then reinforcing ribs are poured in the gaps between the inner cylinder and the outer cylinder; h. and (5) carrying out water cooling to rapidly cool the reinforcing rib so as to draw out the forming die.
i. And welding and sealing the gap between the inner cylinder and the outer cylinder by adopting an aluminum alloy circular ring.
As shown in table 1, the simulation test was performed on the storage tank of the same specification and the storage tank treated by the special processing method in example 2, and the impact test and the degree of heat applied to the inner tube were performed under the same force and for the same time, and the results showed that: the existing storage tank has obvious large collision traces, and the inner wall of the tank body is heated after the tank body is heated for three minutes; the industrial tank processed by the special processing technology has smaller collision trace, smaller pits are smaller, but the inner wall has a bulge phenomenon, the inner cylinder has no temperature change after the outer cylinder is heated for three minutes, and the processed industrial tank meets the technical requirements in strength, fireproof heat insulation capability and various tests.
Example three:
the invention relates to a manufacturing method of an impact-resistant food packaging tin, which comprises the following steps:
a. the packing jar inner tube is the aluminum alloy material, and the urceolus is the aluminum alloy material, and the strengthening rib is the ferroalloy material.
b. And (3) stamping the aluminum plate and the aluminum alloy plate into an aluminum wafer and an aluminum alloy wafer by using a stamping machine, wherein the diameter of the aluminum alloy wafer is larger than that of the aluminum wafer.
c. Drawing the aluminum wafer and the aluminum alloy sheet into a cylinder by a primary drawing die to form a primary outer cylinder and an inner cylinder; d. the outer cylinder and the inner cylinder are drawn again through a secondary drawing die, the diameter of the outer cylinder and the diameter of the inner cylinder are reduced, and the length of the outer cylinder and the inner cylinder are stretched; e. repeating the steps until the inner cylinder and the outer cylinder reach the specified size.
f. The inner cylinder and the outer cylinder are fixed through an arch bottom forming die, and wedge-shaped shapes which are matched with each other are punched on the periphery of one side, close to each other, of the inner cylinder and the outer cylinder, so that the inner cylinder and the outer cylinder are fixed.
g. Placing 4 groups of reinforcing rib molds in the gaps between the inner cylinder and the outer cylinder, casting iron alloy, and pouring reinforcing ribs in the gaps between the inner cylinder and the outer cylinder; h. and (5) carrying out water cooling to rapidly cool the reinforcing rib so as to draw out the forming die.
i. And welding and sealing the gap between the inner cylinder and the outer cylinder by adopting an aluminum alloy circular ring.
As shown in table 1, the simulation test was performed on the storage tank of the same specification and the storage tank treated by the special processing method in example 3, and the impact test and the degree of heat applied to the inner tube were performed under the same force and for the same time, and the results showed that: the existing storage tank has obvious large collision traces, and the inner wall of the tank body is heated after the tank body is heated for three minutes; the industrial tank processed by the special processing technology has small collision trace, no obvious pit inner wall and no protrusion phenomenon, the temperature change of the inner cylinder is large after the outer cylinder is heated for three minutes, and the processed industrial tank meets the technical requirements in strength, fireproof heat insulation capability and various tests.
Example four:
the invention relates to a manufacturing method of an impact-resistant food packaging tin, which comprises the following steps:
a. the packing jar inner tube is the aluminum alloy material, and the urceolus is the aluminum alloy material, and the strengthening rib is the aluminum alloy material.
b. And (3) stamping the aluminum plate and the aluminum alloy plate into an aluminum wafer and an aluminum alloy wafer by using a stamping machine, wherein the diameter of the aluminum alloy wafer is larger than that of the aluminum wafer.
c. Drawing the aluminum wafer and the aluminum alloy sheet into a cylinder by a primary drawing die to form a primary outer cylinder and an inner cylinder; d. the outer cylinder and the inner cylinder are drawn again through a secondary drawing die, the diameter of the outer cylinder and the diameter of the inner cylinder are reduced, and the length of the outer cylinder and the inner cylinder are stretched; e. repeating the steps until the inner cylinder and the outer cylinder reach the specified size.
f. The inner cylinder and the outer cylinder are fixed through an arch bottom forming die, and wedge-shaped shapes which are matched with each other are punched on the periphery of one side, close to each other, of the inner cylinder and the outer cylinder, so that the inner cylinder and the outer cylinder are fixed.
g. Placing 8 groups of reinforcing rib molds in the gap between the inner cylinder and the outer cylinder, casting aluminum alloy, and pouring reinforcing ribs in the gap between the inner cylinder and the outer cylinder; h. and (5) carrying out water cooling to rapidly cool the reinforcing rib so as to draw out the forming die.
i. And welding and sealing the gap between the inner cylinder and the outer cylinder by adopting an aluminum alloy circular ring.
As shown in table 1, the simulation test was performed on the storage tank of the same specification and the storage tank treated by the special processing method in example 4, and the impact test and the degree of heat applied to the inner tube were performed under the same force and for the same time, and the results showed that: the existing storage tank has obvious large collision traces, and the inner wall of the tank body is heated after the tank body is heated for three minutes; the industrial tank processed by the special processing technology has smaller collision trace, smaller pits and smaller inner walls without obvious bulges, the temperature change of the inner cylinder is obvious after the outer cylinder is heated for three minutes, and the processed industrial tank meets the technical requirements in strength, fireproof heat insulation capability and various tests.
TABLE 1
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The manufacturing method of the impact-resistant food packaging tin is characterized by comprising the following steps:
(1) selecting materials;
(2) stamping;
(3) drawing and shaping;
(4) fixing and forming;
(5) pouring reinforcing ribs;
(6) and (7) sealing edges.
2. The manufacturing method of the impact-resistant food packaging can according to claim 1, characterized in that the step 1 comprises the following steps: a. the packing jar inner tube is the aluminum alloy material, and the urceolus is the aluminum alloy material, and the strengthening rib is the aluminum alloy material.
3. The manufacturing method of the impact-resistant food packaging can according to claim 1, wherein the step (2) comprises the following specific steps: b. and (3) stamping the aluminum plate and the aluminum alloy plate into an aluminum wafer and an aluminum alloy wafer by using a stamping machine, wherein the diameter of the aluminum alloy wafer is larger than that of the aluminum wafer.
4. The manufacturing method of the impact-resistant food packaging can as claimed in claim 1, wherein the specific steps of the step (3) are as follows: c. drawing the aluminum wafer and the aluminum alloy sheet into a cylinder by a primary drawing die to form a primary outer cylinder and an inner cylinder; d. the outer cylinder and the inner cylinder are drawn again through a secondary drawing die, the diameter of the outer cylinder and the diameter of the inner cylinder are reduced, and the length of the outer cylinder and the inner cylinder are stretched; e. repeating the steps until the inner cylinder and the outer cylinder reach the specified size.
5. The manufacturing method of the impact-resistant food packaging can according to claim 1, characterized in that the specific steps of the step (4) are as follows: f. the inner cylinder and the outer cylinder are fixed through an arch bottom forming die, and wedge-shaped shapes which are matched with each other are punched on the periphery of one side, close to each other, of the inner cylinder and the outer cylinder, so that the inner cylinder and the outer cylinder are fixed.
6. The manufacturing method of the impact-resistant food packaging can as claimed in claim 1, wherein the specific steps of the step (5) are as follows: g. placing a reinforcing rib mold in a gap between the inner cylinder and the outer cylinder, casting aluminum alloy, and pouring reinforcing ribs in the gap between the inner cylinder and the outer cylinder; h. and (5) carrying out water cooling to rapidly cool the reinforcing rib so as to draw out the forming die.
7. The manufacturing method of the impact-resistant food packaging can according to claim 1, characterized in that the specific steps of the step (6) are as follows: i. and welding and sealing the gap between the inner cylinder and the outer cylinder by adopting an aluminum alloy circular ring.
8. The method for manufacturing an impact-resistant food packaging can according to claim 3, wherein the thickness of the aluminum wafer and the aluminum alloy wafer manufactured in the step (2) is 1cm, the height of the inner can and the height of the outer can manufactured in the step (3) are the same, and the inner diameter of the outer can is larger than the outer diameter of the inner can.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111390751.5A CN114147137A (en) | 2021-11-23 | 2021-11-23 | Manufacturing method of impact-resistant food packaging tin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111390751.5A CN114147137A (en) | 2021-11-23 | 2021-11-23 | Manufacturing method of impact-resistant food packaging tin |
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| Publication Number | Publication Date |
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| CN114147137A true CN114147137A (en) | 2022-03-08 |
Family
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| CN202111390751.5A Pending CN114147137A (en) | 2021-11-23 | 2021-11-23 | Manufacturing method of impact-resistant food packaging tin |
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