CN203637196U - Equipment for producing polyolefin foamed plastic product - Google Patents
Equipment for producing polyolefin foamed plastic product Download PDFInfo
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- CN203637196U CN203637196U CN201320868452.2U CN201320868452U CN203637196U CN 203637196 U CN203637196 U CN 203637196U CN 201320868452 U CN201320868452 U CN 201320868452U CN 203637196 U CN203637196 U CN 203637196U
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Abstract
The utility model provides equipment for producing a polyolefin foamed plastic product. The equipment comprises a supercritical CO2 conveying device, a first extruding machine, a second extruding machine, a temperature-control cooling device, a traction cutting device, an enhanced cooling device and a sizing device, which are connected in sequence. The equipment provided by the utility model has the advantages that supercritical CO2 fluid is adopted as a foaming agent, materials are promoted to be completely melted into a homogeneous system, the safe and environmental-friendly effects are achieved and the process is simple; simultaneously, by in-series connection between the first extruding machine and the second extruding machine, the shearing and mixing force for the mixed materials in the extruding machines is enhanced; the requirements of cooling and sizing the product are met by a synergistic cooling action of an internal-external double mixing cooling structure, the temperature-control cooling device, the enhanced cooling device and the sizing device. Therefore, the polyolefin foamed plastic product prepared by the equipment is low in relative density, foaming holes are uniformly distributed, the forming is easy, further the yield of the product is increased and industrial production of the polyolefin foamed plastic product can be realized.
Description
Technical field
The utility model relates to a kind of equipment of producing foam plastic product, relates in particular to a kind of equipment of producing polyalkene foaming plastic product.
Background technology
The aerating powder conveying device of producing continuously at present the plastic extruder use of high foamed polyolefine plastic is commonly used to carry butane, the low boiling liquid gas such as liquefied petroleum gas, because this type of gas performance is inflammable and explosive, bring danger and loss often easily to people's life and property.Therefore physical blowing agent how to find a kind of safety, environmental protection substitutes current inflammable and explosive blowing agent, is to be starved of and urgent problem.And supercritical CO
2the comparatively desirable substitute of low boiling liquid gas physical blowing agent, but due to its characteristic and low-boiling point gas different, therefore foaming extrusion device to have new breakthrough.And prior art application supercritical CO
2produce foamed plastic and also have the difficult problem on equipment, not yet make progress technically.
With regard to the existing extrusion equipment of preparing foam plastic product, in production process, the screw slenderness ratio of extruder is little, and rotating speed is slow, and shearing force deficiency can not ensure supercritical CO
2in screw rod, fully shear-mixed is disperseed, thereby affects the combination cooling effect of foam extrusion machine, causes foam plastic product density higher, foam hole skewness, difficult forming.And because the foam plastic product thickness of producing is 20～120mm, existing equipment can not meet the cooling and shaping requirement of goods, cannot realize the suitability for industrialized production of foam plastic product.
Utility model content
The purpose of this utility model is to overcome the defect of prior art, a kind of equipment of producing polyalkene foaming plastic product is provided, to solve extruder shearing force deficiency in prior art, the poor polyalkene foaming plastic product relative density that causes of combination cooling effect is higher, foam hole skewness, of poor quality, product defect defect is many and cannot realize the problem of foam plastic product suitability for industrialized production.
For solving the problems of the technologies described above, the technical solution of the utility model is as follows:
An equipment of producing polyalkene foaming plastic product, is characterized in that, comprises supercritical CO
2conveying device, the first extruder, second extruder with refrigerating function, cooling device, traction cutter sweep and shaping equipment, described cooling device comprises temperature-controlled cooling device and strengthening cooling device, described supercritical CO
2conveying device, the first extruder, the second extruder, temperature-controlled cooling device, traction cutter sweep, strengthening cooling device and shaping equipment are successively along connecing.
Preferably, described the second extruder is single screw extrusion machine, comprises a cooling system, and described cooling system comprises and is coated on the pipeline of machine barrel outer surface and is located at the cooling screw in machine barrel.
More preferably, the end of described cooling screw has cooled screw hole, and described cooled screw hole and described cooling screw internal communication are hollow region.
Preferably, described temperature-controlled cooling device comprises the first seal box, forms the constant temperature cooling pipe of airflow circulating passage with described the first seal box and is arranged on the first wind power device on described constant temperature cooling pipe and for the heater to described pipeline heating.
Preferably, described strengthening cooling device comprises the second seal box, is connected in the strengthening cooling pipe of the second seal box formation airflow circulating passage and is arranged on the second wind power device on described strengthening cooling pipe.
Compared with prior art, existing blowing agent input unit is defined as supercritical CO by the equipment of above-mentioned production polyalkene foaming plastic product
2input unit, makes supercritical CO in production process
2fluid promotes that as physical blowing agent material is melt into homogeneous system completely, and safety and environmental protection, and technique is simple; Connect with the second extruder by the first extruder simultaneously, strengthen the shear-mixed power of mixed material in extruder, and through the collaborative cooling effect of inside and outside dual cooling structure, temperature-controlled cooling device, strengthening cooling device and the shaping equipment of the second extruder, meet the requirement of product cooling and shaping.Like this, the polyalkene foaming plastic product relative density of being produced by the said equipment is low, and foam hole is evenly distributed, and is easy to moulding, further improves the yield of goods, and can realize the suitability for industrialized production of polyalkene foaming plastic product.
Brief description of the drawings
Fig. 1 is the device structure schematic diagram of the utility model embodiment;
Fig. 2 is single screw-rod structure schematic diagram of the second extruder of the utility model embodiment;
Fig. 3 is the structural representation of the temperature-controlled cooling device of the utility model embodiment;
Fig. 4 is the structural representation of the strengthening cooling device of the utility model embodiment.
Detailed description of the invention
In order to make the technical problems to be solved in the utility model, technical scheme and beneficial effect clearer, below in conjunction with embodiment, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
The utility model embodiment provides a kind of equipment of producing polyalkene foaming plastic product, as shown in Figure 1, it comprises successively along the aerating powder conveying device 1 connecing, the first extruder 2, second extruder 3 with refrigerating function, temperature-controlled cooling device 4, traction cutter sweep 5, strengthening cooling device 6 and shaping equipment 7.
In the present embodiment, aerating powder conveying device is supercritical CO
2conveying device 1, comprises CO
2liquid storage tank and high-pressure pump, wherein, high-pressure pump one end connects liquid storage tank, and the other end connects the first extruder 2, like this, opens the flow of liquid storage tank adjusting high-pressure pump, CO
2will input in the first extruder 2 in supercriticality.
Refer to Fig. 1, the first extruder 22 comprises feeder 21, machine barrel (not marking in figure), screw rod (not marking in figure) and antishrinking agent input unit 22, feeder 21 is located at machine barrel front end, machine barrel is peripherally equipped with heater (not marking in figure), inside being provided with can the mixing double-screw structure of high speed, certainly, structure and the relative position relation of this twin-screw and machine barrel are prior art, no longer set forth at this.
In the present embodiment, as shown in Figure 1, the second extruder 3 is single screw extrusion machine, and it comprises a cooling system.Described cooling system comprises the pipeline 33 of being located at machine barrel 31 outer surfaces, and this pipeline 33 passes into superheated water, in order to cooling cylindrical shell; Meanwhile, also comprise the cooling screw of being located in machine barrel 31, as shown in Figure 2, this screw rod is provided with cooled screw hole 34 at leading section to its structure, and it makes hollow in screw rod, can pass into cooling water or other cooling agents and prevent that screw rod shearing is overheated, realizes low temperature extrusion molding.
Refer to Fig. 2, particularly, for making mixed material produce larger shearing force and tensile force in flowing, improve the mixed performance of material, this list screw rod coupling has screw element, according to material mixing conveying play not same-action, this screw element specifically comprises forward supply unit and reverse supply unit, and forward supply unit comprises the eccentric screw thread 35 of reducing, short pitch screw 36, long pitch screw 38 one or more; Oppositely supply unit comprises the reverse pin thread 37 of number row, and every row's reverse thread pin is made up of several pins along the circumferential direction.The spiral shell rib lift angle direction of this forward supply unit is set to ensure mass transport direction and to extrude direction identical, and oppositely the spiral shell rib lift angle direction of supply unit and forward supply unit is contrary, its mass transport direction and extrude opposite direction.
Particularly, above-mentioned forward delivery element and the oppositely alternate setting of delivery element, and combined by different different screw threads respectively, this is because the pitch of thread of long pitch screw 38 is larger, the cross directional stretch of output to material and longitudinal shearing force in single screw drive process, be generally applicable to, before being about to extrude, material is mixed to conveying; The eccentric screw thread 35 of reducing is by changing the clearance volume between spiral shell rib, and it is fully mixing that pressing materials is able to material; And oppositely pin thread 37, by by material reverse drive, strengthens the shear-mixed between material, thus the homogeneous system of obtaining.
Thus, above-mentioned the second extruder 3 is by mate different screw threads on single screw rod, and in conjunction with the collaborative problem that solves the overheated and material cooldown rate inequality of screw rod shearing of the dual-cooled of cooling screw and superheated water circulating line 33.Certainly, described single screw extrusion machine is as long as can lower the temperature mixing fused materials, and concrete kind is not limited at this.
Refer to shown in Fig. 3, described temperature-controlled cooling device 4 comprises loading the first seal box 44 of preliminary shaped article, forms the constant temperature cooling pipe 43 of airflow circulating passage and the first wind power device 41 on constant temperature cooling pipe 43 and the heater 42 in order to heat to pipeline 43 with the first seal box 44.Wherein, the air-flow that heater 42 provides the first wind power device 41 heats, and the cooldown rate of controlling product with this reaches the object of temperature control cooling products.Certainly, the kind of this wind power device is not limited at this, for example, and circulating fan or negative blast machine etc.
Finalize the design almost through the preliminary cooling post-foaming goods of temperature control, now should use traction cutter sweep 5 to draw fixed length cutting to foaming product, in the present embodiment, traction cutter sweep is prior art, does not repeat them here.
Reach and finalize the design almost after temperature at the goods of fixed length, need strengthen again it cooling, thereby avoid causing goods inhomogeneous cooling and subside.Therefore, be also provided with strengthening cooling device 6 in the said equipment, as shown in Figure 4, it comprises the second seal box 61, be connected in the second seal box 61 forms the strengthening cooling pipe 62 of airflow circulating passage and is arranged on the wind power device 63 on pipeline.Like this, the second wind power device 63 is discharged thermal current outside seal box 61 continually by strengthening cooling pipe 62, reduces the temperature in seal box 61, reduces the temperature of seal box 61 interior goods, makes cooling effect remarkable.Certainly, strengthening cooling device 6 is compared with temperature-controlled cooling device 4, and without heater 42, this is because temperature-controlled cooling device 4 need carry out temperature control to control rate of temperature fall.
In the present embodiment, shaping equipment 7 comprises casing (not marking in figure) and outer the 3rd wind power device 71 in order to insulation of casing, makes product finally fixed-type.
To sum up, existing blowing agent input unit is defined as supercritical CO by the equipment of above-mentioned production polyalkene foaming plastic product
2conveying device 1, makes supercritical CO in production process
2fluid, as physical blowing agent, promotes that material is melt into homogeneous system completely, and safety and environmental protection, and technique is simple; Connect with second extruder 3 with refrigerating function by the first extruder 2 simultaneously, strengthen the shear-mixed power of mixed material in extruder, and cooling step by step through the cooling system of the second extruder 3, temperature-controlled cooling device 4, strengthening cooling device 6 and shaping equipment 7, meet the requirement of product cooling and shaping.Like this, the polyalkene foaming plastic product relative density of being produced by the said equipment is low, and foam hole is evenly distributed, and is easy to moulding, further improves the yield of goods, and can realize the suitability for industrialized production of polyalkene foaming plastic product.
Shown in Fig. 1, the course of work of the equipment to above-mentioned production polyalkene foaming plastic product is further described:
Start the machine, now, control device can be controlled the first extruder 2 and work, and the first extruder 2 can pass through polyolefin raw material and the Nucleating Agent of feeder 21 material loadings by hot melt, then opens supercritical CO
2liquid storage tank in conveying device 1 flow of adjusting high-pressure pump, make CO
2input in the first extruder 2 with Supercritical Conditions, side by side, antishrinking agent is inputted the first extruder 2 by the valve of opening in antishrinking agent input unit 22, thereupon, twin-screw in the first extruder 2 does feed motion mixed melting material, afterwards, fused materials enters the second extruder 3, now, outside extruder barrel 31, there is the superheated water circulating, inside there is the cooling screw that passes into cooling agent, fused materials is mixing and deliver to extrusion die 32 places extrusion molding with single screw rod feed motion, afterwards, the first wind power device 41 is inputted outer gas stream in the seal box 44 of temperature-controlled cooling device 4, goods are tentatively shaped, can be pulled cutter sweep 5 fixed length cutting and be towed in strengthening cooling device 6 by the cooled goods that finalize the design almost of temperature-controlled cooling device 4, cooling to fixed length goods being done to further strengthening, finally, goods are inputted to shaping equipment 7, and open the 3rd wind power device 71, goods are carried out to last fixed-type operation.
The foregoing is only the utility model preferred embodiment; its structure is not limited to the above-mentioned shape of enumerating; all any amendments of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (5)
1. an equipment of producing polyalkene foaming plastic product, is characterized in that, comprises supercritical CO
2conveying device, the first extruder, second extruder with refrigerating function, cooling device, traction cutter sweep and shaping equipment, described cooling device comprises temperature-controlled cooling device and strengthening cooling device, described supercritical CO
2conveying device, the first extruder, the second extruder, temperature-controlled cooling device, traction cutter sweep, strengthening cooling device and shaping equipment are successively along connecing.
2. the equipment of production polyalkene foaming plastic product as claimed in claim 1, it is characterized in that, described the second extruder is single screw extrusion machine, comprises a cooling system, and described cooling system comprises to be located at the pipeline of machine barrel outer surface and to be located at the cooling screw in machine barrel.
3. the equipment of production polyalkene foaming plastic product as claimed in claim 2, is characterized in that, the end of described cooling screw has cooled screw hole, and described cooled screw hole and described cooling screw internal communication are hollow region.
4. the equipment of production polyalkene foaming plastic product as claimed in claim 1, it is characterized in that, described temperature-controlled cooling device comprises the first seal box, form the constant temperature cooling pipe of airflow circulating passage with described the first seal box and be arranged on the first wind power device on described constant temperature cooling pipe and for the heater to described pipeline heating.
5. the equipment of production polyalkene foaming plastic product as claimed in claim 1, it is characterized in that, described strengthening cooling device comprises the second seal box, is connected in the strengthening cooling pipe of the second seal box formation airflow circulating passage and is arranged on the second wind power device on described strengthening cooling pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320868452.2U CN203637196U (en) | 2013-12-26 | 2013-12-26 | Equipment for producing polyolefin foamed plastic product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320868452.2U CN203637196U (en) | 2013-12-26 | 2013-12-26 | Equipment for producing polyolefin foamed plastic product |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203637196U true CN203637196U (en) | 2014-06-11 |
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ID=50868473
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320868452.2U Expired - Fee Related CN203637196U (en) | 2013-12-26 | 2013-12-26 | Equipment for producing polyolefin foamed plastic product |
Country Status (1)
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|---|---|
| CN (1) | CN203637196U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103692599A (en) * | 2013-12-26 | 2014-04-02 | 江苏奔迪新材料科技有限公司 | Production method and equipment for foamed plastic product |
| CN105269782A (en) * | 2015-11-06 | 2016-01-27 | 惠州市富利源机械有限公司 | High-density pearl cotton machine |
| CN105328915A (en) * | 2015-11-11 | 2016-02-17 | 烟台恒美塑业有限公司 | Production equipment of cross-linked polyolefin microcellular foaming plate |
| CN106738783A (en) * | 2017-03-10 | 2017-05-31 | 苏州普来安高分子材料有限公司 | A kind of extruder of the ventilative film production line of PLA |
| CN106905676A (en) * | 2017-04-21 | 2017-06-30 | 桑德（天津）再生资源投资控股有限公司 | A kind of preparation method of PLA polypropylene alloy expanded material |
| CN114454456A (en) * | 2022-02-14 | 2022-05-10 | 江西华缆科技有限公司 | Cable extrusion device based on water circulation cooling |
| CN115346725A (en) * | 2021-05-14 | 2022-11-15 | 深圳市大可奇科技有限公司 | Electricity core production facility |
| CN116214762A (en) * | 2023-03-16 | 2023-06-06 | 苏州博之顺材料科技有限公司 | A modified plastic processing system and method |
-
2013
- 2013-12-26 CN CN201320868452.2U patent/CN203637196U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103692599A (en) * | 2013-12-26 | 2014-04-02 | 江苏奔迪新材料科技有限公司 | Production method and equipment for foamed plastic product |
| CN105269782A (en) * | 2015-11-06 | 2016-01-27 | 惠州市富利源机械有限公司 | High-density pearl cotton machine |
| CN105328915A (en) * | 2015-11-11 | 2016-02-17 | 烟台恒美塑业有限公司 | Production equipment of cross-linked polyolefin microcellular foaming plate |
| CN106738783A (en) * | 2017-03-10 | 2017-05-31 | 苏州普来安高分子材料有限公司 | A kind of extruder of the ventilative film production line of PLA |
| CN106905676A (en) * | 2017-04-21 | 2017-06-30 | 桑德（天津）再生资源投资控股有限公司 | A kind of preparation method of PLA polypropylene alloy expanded material |
| CN115346725A (en) * | 2021-05-14 | 2022-11-15 | 深圳市大可奇科技有限公司 | Electricity core production facility |
| CN115346725B (en) * | 2021-05-14 | 2025-06-13 | 深圳市大可奇科技有限公司 | Battery cell production equipment |
| CN114454456A (en) * | 2022-02-14 | 2022-05-10 | 江西华缆科技有限公司 | Cable extrusion device based on water circulation cooling |
| CN116214762A (en) * | 2023-03-16 | 2023-06-06 | 苏州博之顺材料科技有限公司 | A modified plastic processing system and method |
| CN116214762B (en) * | 2023-03-16 | 2023-09-29 | 苏州博之顺材料科技有限公司 | Modified plastic processing system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: GUANGDONG BENDI NEW MATERIAL SCIENCE + TECHNOLOGY Free format text: FORMER OWNER: JIANGSU BENDI NEW MATERIAL SCIENCE + TECHNOLOGY CO., LTD. Effective date: 20150713 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150713 Address after: 523000 Guangdong city of Dongguan Province Huang Zhen Yu Yuan Yu Yuan Industrial Zone three road building T2 Patentee after: GUANGDONG SPEED NEW MATERIAL TECHNOLOGY Co.,Ltd. Address before: Guo Xiang Street East Road, Wuzhong Economic Development Zone in Suzhou City, Jiangsu Province, No. 288 215100 Patentee before: JIANGSU BENDI NEW MATERIAL SCIENCE & TECHNOLOGY Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140611 Termination date: 20211226 |