CN104175614A - Light hard double-layer honeycomb polypropylene hollow plate - Google Patents
Light hard double-layer honeycomb polypropylene hollow plate Download PDFInfo
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- CN104175614A CN104175614A CN201410400356.4A CN201410400356A CN104175614A CN 104175614 A CN104175614 A CN 104175614A CN 201410400356 A CN201410400356 A CN 201410400356A CN 104175614 A CN104175614 A CN 104175614A
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Abstract
The invention relates to a light hard double-layer honeycomb polypropylene hollow plate, which belongs to a manufacturing method of a multilayer co-extrusion molding hollow plate. The light hard double-layer honeycomb polypropylene hollow plate is characterized in that an internal structure comprises an upper skin layer, a double-layer honeycomb sandwich structure layer and a lower skin layer, wherein the double-layer honeycomb sandwich structure layer is extruded by a plastic extruder and formed by virtue of a pair of vacuum plastic suction pressing rollers, the double-layer honeycomb sandwich structure layer is of a sandwich type structure and is provided with an upper layer and a lower layer which form a staggered honeycomb shape, the upper layer and the lower layer are mutually supported and connected by flaky plates, and the material formulas of the upper skin layer, the double-layer honeycomb sandwich structure layer and the lower skin layer are consistent. The light hard double-layer honeycomb polypropylene hollow plate is provided, so as to overcome the defects of poor impact resistant performance, compressive deformation and infirmness of an existing plastic hollow plate, and the light hard double-layer honeycomb polypropylene hollow plate can simultaneously bear transverse section stress, longitudinal section stress and plate positive stress and has the advantages of uniform stress of each side surface, wide application range and good use effect.
Description
Technical field
The present invention relates to the double-deck honeycomb polypropylene hollow-board of a kind of hard lightweight, belong to the manufacture method of multi-layer co-extruded extrusion molding hollow sheeting, particularly a kind of through the one-time formed double-deck honeycomb polypropylene hollow-board of high-temperature hot-air hot pressing hot melt.
Background technology
At present, be applied in the numerous areas such as turnover physical distribution apparatus field and plastic building field, plastic hollow boards application is more and more extensive, plastic hollow boards is mainly extruded in hollow grid plate mould by plastic extruder that moulding is produced through Vacuum shaping, but these plastic hollow boards have many restrictions in application, substantially to be used in that goods weight is gentlier located application or when backing plate or dividing plate place are applied as master, because adopting lattice shape, plastic hollow boards formed by two top layers and its internal interval muscle, intensity is not high, not firm, stressed not strong easily compressive deformation, not impact strength, and the easy deformation failure of each side discontinuity of plastic hollow boards, when use, need to consider that it is subject to force direction, the application of product is had to many restrictions.Although there is plastics honeycomb boards to be applied in numerous areas on market, it is mutually bonding in aggregates by the each stacked pressure of adhesive, is very easy to cause the each pull-up glue of honeycomb boards, easily tears and causes product rejection.
Summary of the invention
The object of the invention is to overcome above-mentioned the deficiencies in the prior art, provide that the double-deck honeycomb polypropylene hollow-board of a kind of hard lightweight solves that existing plastic hollow boards impact resistance is poor, compressive deformation and unsubstantial shortcoming, have high-strength, withstand voltage, wear-resistant, heat insulation, the premium properties such as shock resistance and anti-fracture can bear that lateral cross section is stressed, longitudinal cross-section is stressed and plate face front is stressed simultaneously, and each side is stressed evenly, applied widely, result of use is good.
The technical solution adopted for the present invention to solve the technical problems is:
Technical solution of the present invention provides the double-deck honeycomb polypropylene hollow-board of a kind of hard lightweight and manufacture craft thereof, it relates in formula to plastic hollow boards in existing manufacture method and production technology improves, particularly on the plastic hollow boards pressure-resistant anti-shock tolerance impact of performance, improve, the manufacture method that belongs to multi-layer co-extruded extrusion molding hollow sheeting, is characterized in that:
The double-deck honeycomb polypropylene hollow-board of a kind of hard lightweight, belong to the manufacture method of multi-layer co-extruded extrusion molding hollow sheeting, it is characterized in that: the double-deck honeycomb polypropylene hollow-board of the hard lightweight of described one internal structure formation comprises covering layer, double-deck cellular sandwich mechanism's layer and lower covering layer, upper covering layer and lower covering layer are by three-roller calendar extrusion molding, bilayer cellular sandwich mechanism layer is extruded by a pair of vacuum forming pressure roller moulding by plastic extruder, described double-deck cellular sandwich mechanism layer is a kind of sandwich sandwich type structure, be provided with and be two layers up and down of staggered honeycomb shape, described up and down two layers by the mutual support and connection of sheet plate, described upper covering layer, bilayer cellular sandwich mechanism layer is consistent with the material prescription of lower covering layer.
Between three layers, described upper covering layer, double-deck cellular sandwich mechanism's layer and lower covering layer, interconnect the connection surface layer instant melting that hot blasting by setting makes upper covering layer, double-deck cellular sandwich mechanism's layer and lower covering layer, homogeneous material hot melt is hot bonding and forms the double-deck honeycomb polypropylene hollow-board of a kind of hard lightweight, stress is eliminated case annealing, five roller shaping sizings, shaping platform Vacuum shaping, the double-deck honeycomb polypropylene hollow-board of the hard lightweight of one that the techniques such as air cooling frame is cooling, moulding cutting are made.
The processing step of the double-deck honeycomb polypropylene hollow-board of a kind of hard lightweight and composition and manufacture is as follows:
By the upper covering layer of the double-deck honeycomb polypropylene hollow-board of a kind of hard lightweight and lower covering layer by three-roller calendar extrusion molding, double-deck cellular sandwich mechanism layer is extruded by a pair of vacuum forming pressure roller moulding by plastic extruder.
2. according to the required specification requirement of the double-deck honeycomb polypropylene hollow-board of the hard lightweight of one, measure its specification, every layer that extruder is extruded carries out thickness adjustment, and it is reached within the scope of predefined parameter.In practice, two major parameters of mensuration honeycomb polypropylene hollow-board are its intensity and its thickness.Therefore, can reach with the extruding layer of the raw material proportioning of difference amount and different-thickness intensity and the thickness of varying level.
3. the structure of double-deck cellular sandwich mechanism layer extends to upper and lower covering layer, the connection surface layer of upper covering layer, double-deck cellular sandwich mechanism's layer and lower covering layer is hot bonding by high-temperature hot-air hot melt, makes covering layer, double-deck cellular sandwich mechanism layer and the lower covering layer connection surface layer by three layers because homogeneous material is sticky and hot melt is hot bonding into the double-deck honeycomb polypropylene hollow-board of a kind of hard lightweight mutually.
4. in eliminating case by stress, make temperature temperature under keeping warm mode of double-deck honeycomb polypropylene hollow-board be tending towards synchronously, eliminate the distortion that double-deck honeycomb polypropylene hollow-board produces due to internal stress.
5. in five roller shapings, double-deck honeycomb polypropylene hollow-board is carried out to shaping, maintenance certain pressure makes every layer of double-deck honeycomb polypropylene hollow-board bonding firmly, and upper and lower surface is smooth, shaping platform Vacuum shaping.
6. pair double-deck honeycomb polypropylene hollow-board carries out slitter edge excision, under air cooling frame delivery effect, synchronously lowers the temperature for three layers of double-deck honeycomb polypropylene hollow-board.
7. according to the size of double-deck honeycomb polypropylene hollow-board, cross cutter cuts the size of double-deck honeycomb polypropylene hollow-board and stacks on piling bin, and moulding detects, packaging, warehouse-in.
This structure is in the mode of production of having studied existing plastic hollow boards, and absorb to get on advantage basis wherein and designed, the structure of bilayer cellular sandwich mechanism layer extends to upper and lower covering layer, in double-deck cellular sandwich mechanism, layer is arranged the mutually nested formation supporting course of double-deck cellular sandwich model, to the lower surface of upper covering layer, the two sides of bilayer cellular sandwich mechanism layer and the upper surface of lower covering layer obtain a firm compound double-deck honeycomb polypropylene hollow-board that is sandwich sandwich together with high-temperature hot-air hot pressing hot melt, because the double-deck cellular sandwich mechanism layer of double-deck honeycomb polypropylene hollow-board pins down every layer of double-deck honeycomb polypropylene hollow-board mutually, stressed evenly spreading on hollow sheeting, surrounding lateral force time institute load is compared traditional plastic hollow boards and is greatly improved, stress is eliminated case annealing makes each part temperature of double-deck honeycomb polypropylene hollow-board in synchronously, and the each part distortion of double-deck honeycomb polypropylene hollow-board is almost Free Transform, and internal stress Spontaneous release approaches synchronous cooling and can not produce internal stress under keeping warm mode.
Brief description of the drawings
Fig. 1 is the process chart of the double-deck honeycomb polypropylene hollow-board of a kind of hard lightweight of the present invention.
Fig. 2 is the structural representation of the double-deck honeycomb polypropylene hollow-board of a kind of hard lightweight of the present invention.
Covering layer on 1. in figure, 2. double-deck cellular sandwich mechanism layer, 3. descends covering layer.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the invention will be further described.
The double-deck honeycomb polypropylene hollow-board of a kind of hard lightweight, its technological process and structure refer to accompanying drawing 1 and accompanying drawing 2.
The double-deck honeycomb polypropylene hollow-board of a kind of hard lightweight, belong to the manufacture method of multi-layer co-extruded extrusion molding hollow sheeting, it is characterized in that: the double-deck honeycomb polypropylene hollow-board of the hard lightweight of described one internal structure formation comprises covering layer, double-deck cellular sandwich mechanism's layer and lower covering layer, upper covering layer and lower covering layer are by three-roller calendar extrusion molding, bilayer cellular sandwich mechanism layer is extruded by a pair of vacuum forming pressure roller moulding by plastic extruder, , described double-deck cellular sandwich mechanism layer is a kind of sandwich sandwich type structure, be provided with and be two layers up and down of staggered honeycomb shape, described up and down two layers by the mutual support and connection of sheet plate, described upper covering layer, bilayer cellular sandwich mechanism layer is consistent with the material prescription of lower covering layer.
Between three layers, described upper covering layer, double-deck cellular sandwich mechanism's layer and lower covering layer, interconnect the connection surface layer instant melting that hot blasting by setting makes upper covering layer, double-deck cellular sandwich mechanism's layer and lower covering layer, homogeneous material hot melt is hot bonding and forms the double-deck honeycomb polypropylene hollow-board of a kind of hard lightweight, stress is eliminated case annealing, five roller shaping sizings, shaping platform Vacuum shaping, the double-deck honeycomb polypropylene hollow-board of the hard lightweight of one that the techniques such as air cooling frame is cooling, moulding cutting are made.
The processing step of the double-deck honeycomb polypropylene hollow-board of a kind of hard lightweight and composition and manufacture is as follows:
By covering layer and lower covering layer on double-deck hard one lightweight honeycomb polypropylene hollow-board by three-roller calendar extrusion molding, double-deck cellular sandwich mechanism layer is extruded by a pair of vacuum forming pressure roller moulding by plastic extruder.
2. according to the required specification requirement of the double-deck honeycomb polypropylene hollow-board of the hard lightweight of one, measure its specification, every layer that extruder is extruded carries out thickness adjustment, and it is reached within the scope of predefined parameter.In practice, two major parameters of mensuration honeycomb polypropylene hollow-board are its intensity and its thickness.Therefore, can reach with the extruding layer of the raw material proportioning of difference amount and different-thickness intensity and the thickness of varying level.
3. the structure of double-deck cellular sandwich mechanism layer extends to upper and lower covering layer, the connection surface layer of upper covering layer, double-deck cellular sandwich mechanism's layer and lower covering layer is hot bonding by high-temperature hot-air hot melt, makes covering layer, double-deck cellular sandwich mechanism layer and the lower covering layer connection surface layer by three layers because homogeneous material is sticky and hot melt is hot bonding into the double-deck honeycomb polypropylene hollow-board of a kind of hard lightweight mutually.
4. in eliminating case by stress, make temperature temperature under keeping warm mode of double-deck honeycomb polypropylene hollow-board be tending towards synchronously, eliminate the distortion that double-deck honeycomb polypropylene hollow-board produces due to internal stress.
5. in five roller shapings, double-deck honeycomb polypropylene hollow-board is carried out to shaping, maintenance certain pressure makes every layer of double-deck honeycomb polypropylene hollow-board bonding firmly, and upper and lower surface is smooth, shaping platform Vacuum shaping.
6. pair double-deck honeycomb polypropylene hollow-board carries out slitter edge excision, under air cooling frame delivery effect, synchronously lowers the temperature for three layers of double-deck honeycomb polypropylene hollow-board.
7. according to the size of double-deck honeycomb polypropylene hollow-board, cross cutter cuts the size of double-deck honeycomb polypropylene hollow-board and stacks on piling bin, and moulding detects, packaging, warehouse-in.
This structure is in the mode of production of having studied existing plastic hollow boards, and absorb to get on advantage basis wherein and designed, the structure of bilayer cellular sandwich mechanism layer extends to upper and lower covering layer, in double-deck cellular sandwich mechanism, layer is arranged the mutually nested formation supporting course of double-deck cellular sandwich model, to the lower surface of upper covering layer, the two sides of bilayer cellular sandwich mechanism layer and the upper surface of lower covering layer obtain a firm compound double-deck honeycomb polypropylene hollow-board that is sandwich sandwich together with high-temperature hot-air hot pressing hot melt, because the double-deck cellular sandwich mechanism layer of double-deck honeycomb polypropylene hollow-board pins down every layer of double-deck honeycomb polypropylene hollow-board mutually, stressed evenly spreading on hollow sheeting, surrounding lateral force time institute load is compared traditional plastic hollow boards and is greatly improved, stress is eliminated case annealing makes each part temperature of double-deck honeycomb polypropylene hollow-board in synchronously, and the each part distortion of double-deck honeycomb polypropylene hollow-board is almost Free Transform, and internal stress Spontaneous release approaches synchronous cooling and can not produce internal stress under keeping warm mode.
In sum, effect of the present invention is significantly improved, and has practicality, meets the each important document of patent of invention, therefore propose application for a patent for invention in accordance with the law.
Claims (2)
1. the double-deck honeycomb polypropylene hollow-board of hard lightweight, belong to the manufacture method of multi-layer co-extruded extrusion molding hollow sheeting, it is characterized in that: the double-deck honeycomb polypropylene hollow-board of the hard lightweight of described one internal structure formation comprises covering layer, double-deck cellular sandwich mechanism's layer and lower covering layer, described double-deck cellular sandwich mechanism layer is extruded by a pair of vacuum forming pressure roller moulding by plastic extruder, described double-deck cellular sandwich mechanism layer is a kind of sandwich sandwich type structure, be provided with and be two layers up and down of staggered honeycomb shape, described up and down two layers by the mutual support and connection of sheet plate, described upper covering layer, bilayer cellular sandwich mechanism layer is consistent with the material prescription of lower covering layer.
2. the double-deck honeycomb polypropylene hollow-board of the hard lightweight of one according to claim 1, it is characterized in that: between three layers, described upper covering layer, double-deck cellular sandwich mechanism's layer and lower covering layer, interconnect hot blasting by setting and make the connection surface layer instant melting of upper covering layer, double-deck cellular sandwich mechanism's layer and lower covering layer, homogeneous material hot melt is hot bonding and forms the double-deck honeycomb polypropylene hollow-board of a kind of hard lightweight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410400356.4A CN104175614A (en) | 2014-08-08 | 2014-08-08 | Light hard double-layer honeycomb polypropylene hollow plate |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410400356.4A CN104175614A (en) | 2014-08-08 | 2014-08-08 | Light hard double-layer honeycomb polypropylene hollow plate |
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| CN104175614A true CN104175614A (en) | 2014-12-03 |
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| CN201410400356.4A Pending CN104175614A (en) | 2014-08-08 | 2014-08-08 | Light hard double-layer honeycomb polypropylene hollow plate |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104553100A (en) * | 2015-01-30 | 2015-04-29 | 苏州杜伦复合新材料有限公司 | Ultra-light plastic plate and manufacturing process thereof |
| CN111497413A (en) * | 2020-04-24 | 2020-08-07 | 成都新高科实业有限公司 | Machining and forming method of plastic hollow plate with honeycomb holes |
| CN113334884A (en) * | 2021-06-10 | 2021-09-03 | 上汽通用汽车有限公司 | Spare tire cover plate material for automobile trunk and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103407141A (en) * | 2013-08-16 | 2013-11-27 | 福建连众智惠实业有限公司 | Multi-layer coextrusion sheet machine |
| CN203381250U (en) * | 2013-08-02 | 2014-01-08 | 周挺 | Conical hollow honeycomb plate |
| CN203381249U (en) * | 2013-08-02 | 2014-01-08 | 周挺 | Dimple-shaped honeycomb hollow plate |
-
2014
- 2014-08-08 CN CN201410400356.4A patent/CN104175614A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203381250U (en) * | 2013-08-02 | 2014-01-08 | 周挺 | Conical hollow honeycomb plate |
| CN203381249U (en) * | 2013-08-02 | 2014-01-08 | 周挺 | Dimple-shaped honeycomb hollow plate |
| CN103407141A (en) * | 2013-08-16 | 2013-11-27 | 福建连众智惠实业有限公司 | Multi-layer coextrusion sheet machine |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104553100A (en) * | 2015-01-30 | 2015-04-29 | 苏州杜伦复合新材料有限公司 | Ultra-light plastic plate and manufacturing process thereof |
| CN104553100B (en) * | 2015-01-30 | 2017-01-18 | 苏州杜伦复合新材料有限公司 | Ultra-light plastic plate and manufacturing process thereof |
| CN111497413A (en) * | 2020-04-24 | 2020-08-07 | 成都新高科实业有限公司 | Machining and forming method of plastic hollow plate with honeycomb holes |
| CN113334884A (en) * | 2021-06-10 | 2021-09-03 | 上汽通用汽车有限公司 | Spare tire cover plate material for automobile trunk and preparation method thereof |
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Application publication date: 20141203 |