A multi-layer composite structure designed metal can
Patent Information
- Application Number
- CN202521989481.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-16
- Publication Date
- 2026-09-25
- Estimated Expiration
- 2035-09-16
AI Technical Summary
[0004]本实用新型技术方案针对现有技术解决方案过于单一的技术问题，提供了显著不同于现有技术的解决方案，主要提供了一种多层复合结构设计金属罐，用以解决上述背景技术中提出的现有金属罐抗冲击性能存在局限技术问题
通过在橡胶愈合层与耐磨层之间设置缓冲抗压层，抗压层的三角形支撑结构、加固层及蜂巢状抗冲击层协同作用，分散并吸收外部冲击力，进而降低罐体变形或破损风险，从而提升金属罐的抗冲击性能，同时通过金属罐本体外侧设置橡胶愈合层，其内部的自愈合微胶囊在罐体磕碰破损时，囊壁破裂释放端氨基聚醚与多异氰酸酯等物质，快速反应固化，进而对破裂处进行初步密封，从而防止物料泄漏。
Smart Images
Figure CN224797499U_ABST
Abstract
Description
Technical Field
[0001] This utility model mainly relates to the field of metal can technology, specifically a multi-layer composite structure metal can. Background Technology
[0002] Metal cans, as important packaging containers for food, chemical raw materials, and pharmaceutical intermediates, are widely used in industrial production and daily life due to their stable sealing performance and high mechanical strength. However, in actual transportation, storage, and use, damage to metal cans caused by impacts has long plagued various industries, directly affecting material safety and packaging reliability.
[0003] Most existing metal cans are single-layer metal structures or have simple coatings, which limit their impact resistance. When the can is subjected to external impacts (such as bumps and collisions during transportation, stacking and squeezing during storage, or accidental drops during use), the can body is prone to dents, cracks, or even perforations, leading to leakage of the contents (such as liquid food, corrosive chemicals, sterile agents, etc.). For example, in the food industry, if a single-layer tinplate metal can is dropped from a height of 1 meter, about 30% will deform and crack, causing contamination and waste of the contents. In the chemical industry, leaks caused by impacts to metal cans containing organic solvents can not only result in material loss but may also cause safety accidents such as fires and equipment corrosion. Utility Model Content
[0004] This utility model provides a solution that is significantly different from existing technologies, addressing the problem that existing technologies are too simplistic. It mainly offers a multi-layered composite structure metal can design to solve the problem of limited impact resistance of existing metal cans mentioned in the background.
[0005] The technical solution adopted by this utility model to solve the above-mentioned technical problems is as follows: A multi-layer composite structure metal can includes a metal can, the interior of which is divided into several sections by a partition plate assembly, and a feed cylinder for conveying materials within the sections is installed inside the upper end of the metal can. A sealing assembly is provided at the top of the metal can to seal its opening end. The metal can includes a metal can body, and a rubber healing layer is provided on the outside of the metal can body. The rubber healing layer is located inside the wear-resistant layer, and a buffer and pressure-resistant layer is fixedly provided between the rubber healing layer and the wear-resistant layer.
[0006] Preferably, the partition assembly includes at least two sets of partitions, and the partitions are distributed in a ring around the outside of the fixed column.
[0007] Preferably, the feed cylinder has a flow port that communicates with each section.
[0008] Preferably, the sealing assembly includes a cover, and a sealing block matching the opening end of the metal can is provided inside the cover. A plug for sealing the flow port is installed at the bottom of the sealing block.
[0009] Preferably, the rubber healing layer contains self-healing microcapsules.
[0010] Preferably, the buffer and pressure-resistant layer includes a pressure-resistant layer, and the pressure-resistant layer is provided with several sets of pressure-resistant support structures. The pressure-resistant support structures are distributed in a triangular pattern within the pressure-resistant layer. The pressure-resistant layer is located inside the reinforcement layer, and an impact-resistant layer is provided between the pressure-resistant layer and the reinforcement layer.
[0011] Compared with the prior art, the beneficial effects of this utility model are as follows: By setting a buffer and pressure-resistant layer between the rubber healing layer and the wear-resistant layer, the triangular support structure, reinforcement layer, and honeycomb impact-resistant layer of the pressure-resistant layer work together to disperse and absorb external impact forces, thereby reducing the risk of tank deformation or damage and improving the impact resistance of the metal tank. At the same time, by setting a rubber healing layer on the outside of the metal tank body, the self-healing microcapsules inside release end amino polyethers and polyisocyanates when the tank is bumped and broken. These substances react and solidify rapidly, thus initially sealing the rupture and preventing material leakage. The interior of the metal can is divided into several sections by a partition plate assembly, and the flow outlet is sealed by a block of the sealing assembly, so that each section is sealed independently. When one side of the can is damaged, only the material in the corresponding section flows out, thereby reducing material loss and the scope of contamination. The present invention will be explained in detail below with reference to the accompanying drawings and specific embodiments. Attached Figure Description
[0012] Figure 1 This is a schematic diagram of the overall front cross-sectional structure of this utility model; Figure 2 This is a schematic diagram of the metal can structure of this utility model; Figure 3 This is a schematic diagram showing the positional relationship between the feed cylinder and the partition plate assembly of this utility model; Figure 4 This is a schematic diagram showing the positional relationship of the flow port of this utility model.
[0013] Numbering on the map: 1. Metal can; 101. Metal can body; 2. Divider plate assembly; 3. Feed cylinder; 4. Sealing assembly; 41. Cover; 42. Block; 5. Rubber healing layer; 6. Wear-resistant layer; 7. Buffer and pressure-resistant layer; 71. Pressure-resistant layer; 72. Reinforcing layer; 73. Impact-resistant layer. Detailed Implementation
[0014] To facilitate understanding of this utility model, a more comprehensive description of the utility model will be given below with reference to the accompanying drawings, which show several embodiments of the utility model. However, the utility model can be implemented in different forms and is not limited to the embodiments described in the text. On the contrary, these embodiments are provided to make the disclosure of the utility model more thorough and comprehensive.
[0015] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or there may be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or there may be an intervening element. The terms "vertical," "horizontal," "left," "right," and similar expressions used in this document are for illustrative purposes only.
[0016] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly associated with those skilled in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments and is not intended to limit the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.
[0017] Please refer to the appendix carefully. Figure 1-4 A multi-layered composite metal can design is disclosed. The metal can 1 includes a metal can body 101, with a rubber healing layer 5 disposed on the outer side of the metal can body 101. An anti-corrosion layer, which can be made of polyurethane organic coating, is coated and fixed on the inner side of the metal can body 101. Self-healing microcapsules, with a spherical core-shell structure and a diameter controlled at 40-60 μm, are uniformly dispersed in the rubber healing layer 5 at a density of 1200-1500 capsules / mm³. The capsule walls are made of modified polyurethane material with a thickness of 4-6 μm, possessing moderate mechanical properties. When the metal can 1 is damaged due to impact, the stress can be reduced to 0.05-0.1 s. The inner puncture of the capsule wall ensures immediate release of the repair agent. The capsule wall has good chemical resistance and can withstand the corrosion of the internal materials. The capsule core is a multi-component room temperature rapid curing system. Its interior contains a certain mass ratio of terminal amino polyether and polyisocyanate and catalyst. After the capsule wall ruptures, the substances come into rapid contact and chemical reaction occurs, completing the initial curing and thus initially sealing the rupture within a certain period of time.
[0018] The rubber healing layer 5 is located inside the wear-resistant layer 6, and a buffer and pressure-resistant layer 7 is fixedly installed between the rubber healing layer 5 and the wear-resistant layer 6. The wear-resistant layer 6 can improve the wear resistance of the outer side of the metal can 1. The buffer and pressure-resistant layer 7 includes a pressure-resistant layer 71, and the pressure-resistant layer 71 is provided with several sets of pressure-resistant support structures. The pressure-resistant support structures are triangularly distributed within the pressure-resistant layer 71. The triangular structure can provide stable support force. The pressure-resistant support structure is made of polyurethane material. Polyurethane material can be processed into various shapes through different processes, and it also has the characteristic of high surface hardness when used. The pressure-resistant layer 71 Located inside the reinforcing layer 72, which is made of polyurethane, the reinforcing layer 72 enhances the structural strength and stability of the metal can 1, preventing deformation or damage when the metal can 1 is subjected to external pressure or extrusion. An impact-resistant layer 73 is provided between the pressure-resistant layer 71 and the reinforcing layer 72. The impact-resistant layer 73 has several honeycomb-shaped holes, and the included angle between each side of the impact-resistant layer 73 is 120 degrees. The hexagonal honeycomb-shaped impact-resistant layer 73 with included angles of 120 degrees can effectively absorb external impacts and vibrations, reducing the impact force on the metal can 1 and playing a buffering role.
[0019] The metal tank 1 is divided into several sections by the partition plate assembly 2. The partition plate assembly 2 can also strengthen the metal tank 1 and improve its impact resistance. The partition plate assembly 2 includes no less than two sets of partition plates, which are distributed in a ring outside the fixed column. The fixed column is connected to the bottom center of the metal tank 1 by welding. The partition plates and the fixed column are fixed by tenon and mortise structure + sealant (silicone glue) to ensure the airtightness of the section. The upper end of the metal tank 1 is equipped with a feed cylinder 3 for conveying materials in the section. The feed cylinder 3 has a flow port that communicates with each section. The feed cylinder 3 can close the upper end of the section. At the same time, by setting the feed cylinder 3 and the flow port, the material can be evenly entered into each section.
[0020] The top of the metal can 1 is provided with a sealing component 4 to seal its opening end. The sealing component 4 includes a cover 41, and a sealing block that matches and seals well with the opening end of the metal can 1 is provided inside the cover 41. A block block 42 for sealing the flow port is installed at the bottom of the sealing block. By blocking the flow port with the block block 42, the flow between the different sections can be prevented from flowing out. When one side of the metal can 1 is damaged, only the material in the corresponding section on that side can flow out.
[0021] The specific operating procedure of this utility is as follows: The material to be contained, such as liquid food or chemical raw materials, is injected through the top opening of the feed cylinder 3. The material flows along the inner wall of the feed cylinder 3 and is evenly distributed to each section inside the metal can 1 through the flow outlets opened on it. After the material in the section is filled, the opening end of the metal can 1 is sealed by the sealing component 4, and the flow outlets are closed at the same time.
[0022] During transportation, the wear-resistant layer 6 of the metal can 1 can reduce damage caused by friction with other objects. If it is bumped or squeezed, the triangular pressure-resistant support structure of the buffer layer 7 and the honeycomb impact-resistant layer 73 will disperse the impact force and reduce the risk of deformation of the metal can 1. If the bump causes the rubber healing layer 5 to develop microcracks, the capsule wall of the self-healing microcapsule will be punctured. The terminal amino polyether and polyisocyanate of the capsule core will react rapidly under the action of a catalyst to form preliminary solidification and prevent material leakage.
[0023] The present invention has been described above by way of example in conjunction with the accompanying drawings. Obviously, the specific implementation of the present invention is not limited to the above-described manner. Any non-substantial improvement made by adopting the inventive concept and technical solution of the present invention, or the direct application of the inventive concept and technical solution of the present invention to other occasions without modification, shall be within the protection scope of the present invention.
Claims
1. A multi-layered composite structure metal can, comprising a metal can (1), characterized in that: The metal can (1) is divided into several sections by a partition plate assembly (2), and a feed cylinder (3) for conveying materials in the section is installed inside the upper end of the metal can (1). A sealing assembly (4) for sealing the opening end of the metal can (1) is provided at the top of the metal can (1). The metal can (1) includes a metal can body (101), and a rubber healing layer (5) is provided on the outside of the metal can body (101). The rubber healing layer (5) is located inside the wear-resistant layer (6), and a buffer pressure-resistant layer (7) is fixedly provided between the rubber healing layer (5) and the wear-resistant layer (6).
2. The multi-layer composite structure metal can according to claim 1, characterized in that: The partition assembly (2) includes at least two sets of partitions, and the partitions are distributed in a ring around the outside of the fixed column.
3. A multi-layer composite structure metal can according to claim 1, characterized in that: The feed cylinder (3) has a flow port that connects to each section.
4. A multi-layer composite structure metal can according to claim 1, characterized in that: The sealing assembly (4) includes a cover (41), and a sealing block matching the opening end of the metal can (1) is provided on the inner side of the cover (41). A plug (42) for sealing the flow port is installed at the bottom of the sealing block.
5. A multi-layer composite structure metal can according to claim 1, characterized in that: The self-healing microcapsules are disposed inside the rubber healing layer (5).
6. A multi-layer composite structure metal can according to claim 1, characterized in that: The buffer pressure-resistant layer (7) includes a pressure-resistant layer (71), and the pressure-resistant layer (71) is provided with several sets of pressure-resistant support structures. The pressure-resistant support structures are distributed in a triangular pattern within the pressure-resistant layer (71). The pressure-resistant layer (71) is located inside the reinforcement layer (72), and an impact-resistant layer (73) is provided between the pressure-resistant layer (71) and the reinforcement layer (72).