CN210758781U - Foamed plastic production equipment - Google Patents
Foamed plastic production equipment Download PDFInfo
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- CN210758781U CN210758781U CN201920406120.XU CN201920406120U CN210758781U CN 210758781 U CN210758781 U CN 210758781U CN 201920406120 U CN201920406120 U CN 201920406120U CN 210758781 U CN210758781 U CN 210758781U
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Abstract
The utility model relates to a foamed plastic production facility, including forming device and gas permeability metal mold core, the surface that is used for the foamed plastic crust of gas permeability metal mold core is the mirror surface smooth, forming device has the shaping room, gas permeability metal mold core be used for install in the shaping room. Because the metal mold core with air permeability has certain air permeability, the problem of air blocking cannot be caused in the foam plastic molding process, spare parts such as air holes and the like do not need to be arranged in the mold core, the foam plastic product can form a smooth surface, and the foam plastic can be heated and well cured even if the spare parts such as the air holes and the like do not exist in the heating molding process; the surface of the mold core used for foaming plastic skinning is mirror smooth, the skinning surface of the foaming plastic product is smooth and seamless, dirt or moisture residue is not easy to occur, the heat preservation performance is improved, and the cleaning is easy.
Description
Technical Field
The utility model relates to a plastics foaming technical field especially relates to a foamed plastic production facility.
Background
At present, the take-out incubator mostly adopts foamed plastics, such as EPP (expanded polypropylene) as an insulation material. However, the inner wall of the take-away incubator has a clearly visible foamed plastic particle structure, the surface is not smooth, and dirt remains after long-term use. In addition, there is the gap between the granule, has moisture to remain in the gap easily, can conduct the temperature of incasement and external world, leads to the heat preservation effect to reduce, is unfavorable for inside cleanness simultaneously.
SUMMERY OF THE UTILITY MODEL
Based on this, it is necessary to provide a foamed plastic production apparatus to solve the problem of the non-smoothness of the foamed plastic surface.
The utility model provides a foamed plastic production facility, includes forming device and gas permeability metal mold core, the surface that is used for foamed plastic skinning of gas permeability metal mold core is smooth, forming device has the shaping room, gas permeability metal mold core be used for install in the shaping room.
In one example, the pore diameter of the air-permeable metal mold core is 10 μm to 1000 μm.
In one example, the pore diameter of the air-permeable metal mold core is 50 μm to 500 μm.
In one example, the foamed plastic production equipment further comprises a material tank and a feeding mechanism, wherein the feeding mechanism comprises a feeding pipe, a material gun and a pressurizing part, one end of the feeding pipe is communicated with a discharge hole of the material tank, the other end of the feeding pipe is communicated with the material gun, the material gun is communicated with the forming chamber, and the pressurizing part is close to the discharge hole of the material tank and is communicated with the feeding pipe.
In one example, the feeding mechanism further comprises a material gun wind power control part, and the material gun wind power control part is communicated with the material gun.
In one example, the apparatus further comprises a suction device in communication with the forming chamber.
In one example, the apparatus further comprises a drain in communication with the forming chamber.
In one example, the foam plastic production equipment further comprises a spraying device, and a water spraying port of the spraying device is communicated with the forming chamber.
In one example, the spraying device is provided with a plurality of spraying devices, and the plurality of spraying devices are arranged around the forming chamber.
In one example, the apparatus further comprises a steam device in communication with the forming chamber.
Compared with the prior art, the utility model discloses following beneficial effect has:
according to the foamed plastic production equipment, because the metal mold core with air permeability has certain air permeability, the problem of air holding cannot be caused in the forming process of the foamed plastic, spare parts such as air holes and the like do not need to be arranged in the mold core, so that the foamed plastic product can form a smooth surface, and the foamed plastic can be heated and well cured even if the spare parts such as the air holes and the like do not exist in the heating forming process; the surface of the mold core used for foaming plastic skinning is smooth, the skinning surface of the foaming plastic product is smooth and seamless, dirt or moisture residue is not easy to occur, the heat preservation performance is improved, and the cleaning is easy.
Meanwhile, the surface of the manufactured foam plastic product is smooth and seamless, the strength of the foam plastic product is increased compared with that of the common foam plastic product, the accumulation of dust and the breeding of bacteria are effectively avoided, and the foam plastic product is more attractive.
Drawings
FIG. 1 is a schematic structural view of a foam production apparatus according to an embodiment.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "disposed" or "mounted" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1, a foam plastic production apparatus 100 according to an embodiment of the present invention includes a forming device 110 and a permeable metal mold core 120. Wherein, the mold core 120 is made of air-permeable metal, and the surface of the air-permeable metal mold core 120 for foaming plastic skinning is smooth. The molding device 110 has a molding chamber 112 with a mold core 120 for installation in the molding chamber 112.
In this embodiment, the mold core 120 is manufactured by processing a gas-permeable metal, and the surface of the mold is not provided with gas holes or the like when the mold is processed, so that the gas-permeable metal has certain gas permeability, and the problem of gas hold-out is not generated in the foam molding process, and spare parts such as the gas holes do not need to be arranged in the mold core 120. The foam plastic can be heated and well cured in the heating and forming process even if spare parts such as air holes and the like do not exist. The contact surface of the molded foam and the mold core 120 is smooth.
Further, the surface of the mold core 120 made of the air-permeable metal, which is used for the foaming plastic skinning, is polished, so that the surface of the air-permeable metal achieves a mirror surface effect, thereby achieving a plasticizing and smoothing effect on the surface of the molded foam plastic.
In an alternative embodiment, the gas permeable metal from which the core 120 is fabricated may be, but is not limited to, a micro-porous ternary alloy. More specifically, an electroformed microporous ternary alloy may be employed.
The gas permeable metal itself has countless pore sizes so that gas between the plastic particles and between the plastic particles and the mold core 120 can be exhausted. In an alternative embodiment, the gas permeable metal core 120 has a pore size of 10 μm to 1000 μm. Further, in an alternative embodiment, the pore diameter of the air holes of the air permeable metal mold core 120 is 50 μm to 500 μm, so as to ensure that the air can be completely discharged, and the surface of the foam plastic product is not blocked by the discharged air, thereby ensuring the smoothness of the surface of the product.
In an alternative embodiment, the apparatus 100 further comprises a suction device in communication with the forming chamber 112, the pressure in the forming chamber 112 being controlled by the suction device in communication with the forming chamber 112. An air suction valve 113 is arranged on a pipeline which is communicated with the air suction device and the forming chamber 112. In an alternative embodiment, the apparatus 100 further comprises a water drain connected to the forming chamber 112, wherein the water in the forming chamber 112 is drained by the water drain connected to the forming chamber 112. A drain valve 114 is provided on a pipe communicating the drain device and the molding chamber 112. And no air and moisture exist between the particles, so that the particles are effectively combined, material seams between the particles are prevented, and the smoothness of the surface of the product is promoted.
In an alternative embodiment, a steam device is also included, which communicates with the forming chamber 112. Further, the steam ports of the forming chamber 112 are located at least on both side walls of the forming chamber 112. A steam control valve 115 is arranged on a pipeline of the steam device communicated with the forming chamber 112. At the start of the forming, the steam device can input steam into the forming chamber 112, providing a heat source.
In an alternative embodiment, the apparatus 100 further comprises a spray device, the water spray of which communicates with the forming chamber 112. After the molding is completed, the spray device sprays cooling water into the molding chamber 112 to accelerate the reduction of the product temperature. Further, in an alternative embodiment, there are a plurality of the spray devices, and a plurality of the spray devices are disposed around the forming chamber 112.
As shown in fig. 1, in one example, the foam plastic production apparatus 100100 further comprises a bucket 130 and a feeding mechanism. More specifically, the bucket 130 is provided with a feed valve 131 and a pressure retaining valve 132. The feeding mechanism comprises a feeding pipe 141, a material gun 142 and a pressurizing part 143, one end of the feeding pipe 141 is communicated with a discharge port of the charging bucket 130, the other end of the feeding pipe 141 is communicated with the material gun 142, the material gun 142 is communicated with the forming chamber 112, and the pressurizing part 143 is arranged close to the discharge port of the charging bucket 130 and is communicated with the feeding pipe 141, so that raw materials smoothly pass through the feeding pipe. In one example, the feeding mechanism further comprises a material gun pneumatic control part 144, and the material gun pneumatic control part 144 is communicated with the material gun 142 to control the spraying speed of the material gun 142.
According to the foamed plastic production equipment, because the metal mold core 120 with air permeability has certain air permeability, the problem of air holding cannot be caused in the forming process of the foamed plastic, spare parts such as air holes and the like do not need to be arranged in the mold core 120, so that the foamed plastic product can form a smooth surface, and the foamed plastic can be heated and well cured even if the spare parts such as the air holes and the like do not exist in the heating forming process; the surface of the mold core 120 used for foaming plastic skinning is mirror smooth, the skinning surface of the foaming plastic product is smooth and seamless, dirt or moisture residue is not easy to occur, the heat preservation performance is improved, and the cleaning is easy.
Meanwhile, the surface of the manufactured foam plastic product is smooth and seamless, the strength of the foam plastic product is increased compared with that of the common foam plastic product, the accumulation of dust and the breeding of bacteria are effectively avoided, and the foam plastic product is more attractive.
The utility model also provides a manufacturing method of expanded plastic, including following step:
the mold core 120 made of air-permeable metal is adopted, and the surface of the mold core 120 for foaming plastic skinning is mirror smooth;
the core 120 is installed in the forming chamber 112 of the forming device 110, and the raw material is added into the forming chamber 112 for forming.
The manufacturing method of the foamed plastic of this embodiment can adopt the above-mentioned foamed plastic production apparatus 100.
During the foamed plastic molding process, the air pressure of the molding chamber 112 is controlled by an air suction device communicated with the molding chamber 112, and the water in the molding chamber 112 is discharged by a water discharge device communicated with the molding chamber 112. And no air and moisture exist between the particles, so that the particles are effectively combined, material seams between the particles are prevented, and the smoothness of the surface of the product is promoted.
In the forming process, when water cooling is performed, the air is exhausted by the air exhausting device, and the air flow convection in the forming chamber 112 can quickly exhaust steam heat generated by the water cooling in the die cavity due to the infinite aperture of the air-permeable metal die core 120. Specifically, when cooling, adopt water-cooling, on 20 degrees centigrade cold water sprays the product about 100 degrees centigrade, produce steam, air exhaust device bleeds, and the steam that produces is taken out in the cooperation vacuum air current in mould core 120 self aperture to can improve cooling efficiency, and shorten the cooling time.
The product produced by the common die is cooled by metal conduction, the cooling time of the product is long, and a large amount of defective products are not caused well by frequent cooling.
Similarly, in the heating process, the air-extracting device accelerates the flow in the forming chamber 112 by utilizing the air permeability of the mold core 120, so as to improve the heating efficiency and achieve the energy-saving and efficient production.
In the molding process, after the raw materials are added, the plastic particles are pressurized and expanded through steam pressurization, and meanwhile, an air extraction device is opened to extract air among the particles.
The air pressure in the forming chamber 112 is controlled to be 1.2 bar-3.5 bar so as to adjust the forming chamber to reach the proper skinning thickness, the pressure is different, and the skinning thickness is 0.1mm-2 mm.
The method for manufacturing the foamed plastic of the utility model can be used for but not limited to the molding of foamed polypropylene (EPP).
Furthermore, the utility model also provides a foamed plastic, it is obtained by the preparation method of any above-mentioned embodiment.
Further, the utility model also provides a heat preservation device, it has foretell expanded plastics.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above examples only represent some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. The foamed plastic production equipment is characterized by comprising a forming device and a breathable metal mold core, wherein the surface of the breathable metal mold core, which is used for foaming plastic skinning, is smooth, the forming device is provided with a forming chamber, and the breathable metal mold core is used for being installed in the forming chamber.
2. The foamed plastic production apparatus of claim 1, wherein the pore diameter of the gas-permeable metal mold core is 10 μm to 1000 μm.
3. The foamed plastic production apparatus of claim 2, wherein the gas-permeable metal mold core has a pore diameter of 50 μm to 500 μm.
4. The foamed plastic production equipment according to claim 1, further comprising a charging bucket and a feeding mechanism, wherein the feeding mechanism comprises a feeding pipe, a material gun and a pressurizing part, one end of the feeding pipe is communicated with a discharge port of the charging bucket, the other end of the feeding pipe is communicated with the material gun, the material gun is communicated with the forming chamber, and the pressurizing part is arranged close to the discharge port of the charging bucket and is communicated with the feeding pipe.
5. The foamed plastic production apparatus of claim 4, wherein the feeding mechanism further comprises a material gun pneumatic control part, and the material gun pneumatic control part is communicated with the material gun.
6. The foamed plastic production apparatus of claim 1, further comprising an air-extracting device, said air-extracting device communicating with said forming chamber.
7. The foamed plastic production apparatus according to claim 1, further comprising a drainage means communicating with the molding chamber.
8. The foamed plastic production apparatus according to claim 1, further comprising a shower device, a water jet of which communicates with the molding chamber.
9. The foamed plastic production apparatus according to claim 8, wherein there are a plurality of said spray means, and a plurality of said spray means are provided around said molding chamber.
10. The foamed plastic production apparatus according to any one of claims 1 to 9, further comprising a steam device, the steam device communicating with the forming chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920406120.XU CN210758781U (en) | 2019-03-28 | 2019-03-28 | Foamed plastic production equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920406120.XU CN210758781U (en) | 2019-03-28 | 2019-03-28 | Foamed plastic production equipment |
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| Publication Number | Publication Date |
|---|---|
| CN210758781U true CN210758781U (en) | 2020-06-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920406120.XU Active CN210758781U (en) | 2019-03-28 | 2019-03-28 | Foamed plastic production equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111745884A (en) * | 2019-03-28 | 2020-10-09 | 广州菲恩轻质材料有限公司 | Foamed plastic, production equipment, manufacturing method and heat preservation device thereof |
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2019
- 2019-03-28 CN CN201920406120.XU patent/CN210758781U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111745884A (en) * | 2019-03-28 | 2020-10-09 | 广州菲恩轻质材料有限公司 | Foamed plastic, production equipment, manufacturing method and heat preservation device thereof |
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