WO2021013264A1 - 吹塑面板和吹塑面板的制造方法 - Google Patents
吹塑面板和吹塑面板的制造方法 Download PDFInfo
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- WO2021013264A1 WO2021013264A1 PCT/CN2020/104794 CN2020104794W WO2021013264A1 WO 2021013264 A1 WO2021013264 A1 WO 2021013264A1 CN 2020104794 W CN2020104794 W CN 2020104794W WO 2021013264 A1 WO2021013264 A1 WO 2021013264A1
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- polymer layer
- panel
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Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/22—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor using multilayered preforms or parisons
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B13/00—Details of tables or desks
- A47B13/08—Table tops; Rims therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/0005—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor characterised by the material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/02—Combined blow-moulding and manufacture of the preform or the parison
- B29C49/04—Extrusion blow-moulding
- B29C49/04116—Extrusion blow-moulding characterised by the die
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/20—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor of articles having inserts or reinforcements ; Handling of inserts or reinforcements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/20—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor of articles having inserts or reinforcements ; Handling of inserts or reinforcements
- B29C2049/2008—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor of articles having inserts or reinforcements ; Handling of inserts or reinforcements inside the article
- B29C2049/2013—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor of articles having inserts or reinforcements ; Handling of inserts or reinforcements inside the article for connecting opposite walls, e.g. baffles in a fuel tank
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
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- B29K2023/04—Polymers of ethylene
- B29K2023/06—PE, i.e. polyethylene
- B29K2023/0608—PE, i.e. polyethylene characterised by its density
- B29K2023/065—HDPE, i.e. high density polyethylene
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
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- B29K2105/0088—Blends of polymers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/26—Scrap or recycled material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2309/00—Use of inorganic materials not provided for in groups B29K2303/00 - B29K2307/00, as reinforcement
- B29K2309/08—Glass
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
- B29K2995/0037—Other properties
- B29K2995/0091—Damping, energy absorption
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2007/00—Flat articles, e.g. films or sheets
- B29L2007/002—Panels; Plates; Sheets
Definitions
- the present invention relates to the field of panels, and in particular to blow molded panels and methods for manufacturing blow molded panels.
- the panel made of metal or wood has a strong load-bearing capacity, and the surface can be specially treated to have better scratch resistance.
- the support cost and transportation cost are relatively high compared to plastics, and the plastic itself has With high plasticity, it can be molded into different shapes according to requirements during the molding process.
- a technical solution provided by the present invention is a blow molded panel with good impact resistance, light weight, and stable structure.
- Another technical solution provided by the present invention is a compounding structure that can be made into a double-layer blow-molded panel with good impact resistance, strong and stable structure, but light weight.
- Another technical solution provided is a batching structure that can be made into a three-layer blow-molded panel with good impact resistance, strong and stable structure.
- Another technical solution adopted by the present invention is to provide a blow-molded blow molded panel, comprising an upper layer board and a lower layer board, a hollow structure is blow-molded between the upper layer board and the lower layer board, and is characterized in that:
- the upper board and the lower board each include an outer layer and an inner layer.
- the lower board is recessed in the direction of the upper board to the inner layer of the lower board and the inner layer of the upper board are fused with each other to form a predetermined number of collision support structures.
- the upper board and the lower board each include an outer layer, a middle layer and an inner layer
- the lower board is recessed in the direction of the upper board until the inner layer of the lower board and the inner layer of the upper board are fused with each other to form a predetermined number
- the collision support structure is distributed in a preset manner.
- the outer edge of the upper plate has an outer bent wall that is bent downward
- the outer edge of the lower plate has an inner bent wall that is bent downward
- the outer bent The inner layer at the bottom of the wall and the inner layer at the bottom of the inner bending wall are integrated with each other.
- the collision support structure may be a point structure or a strip structure.
- At least one reinforcing rib is provided in the collision support structure.
- the collision support structure is provided with two reinforcing ribs, and correspondingly, the collision support structure is provided with three contact peak points and arranged at intervals with the reinforcing ribs.
- the outer layers of each of the upper and lower plates are made of high-density polyethylene, and the upper and The inner layer of the lower board is all selected from the mixture of high-density polyethylene, metallocene polyethylene and calcium carbonate or all selected from the mixture of high-density polyethylene, metallocene polyethylene and glass fiber.
- the mass percentage of the metallocene polyethylene in the inner layer is 10-15%, the mass percentage of the calcium carbonate is 15-20%, and the rest is high-density polyethylene; or, the metallocene polyethylene in the inner layer The mass percentage is 10-15%, the glass fiber mass percentage is 15-25%, and the rest is high-density polyethylene.
- Another technical solution adopted by the present invention is: according to the compounding structure of the double-outer single-inner three-layer blow-molded panel of each of the upper and lower boards, the outer layers of the upper and lower boards are both High-density polyethylene is used, and the middle layer of the upper board and the lower board is selected from a mixture of high-density polyethylene and calcium carbonate or a mixture of high-density polyethylene and glass fiber.
- the layers are all made of metallocene polyethylene.
- the mass percentage of high-density polyethylene used in the intermediate layer is 70-85%, and the mass percentage of calcium carbonate is 15-30%.
- the mass percentage of high-density polyethylene used in the intermediate layer is 60-85%, and the mass percentage of glass fiber is 15-40%.
- the advantage of the present invention is that the multi-layer blow molded blow molded panel only uses the upper and lower blow molded hollow structure and constitutes a light, strong, and impact-resistant plate-shaped structure, wherein the lower plate is upward
- the direction of the laminate is recessed to the inner layer of the lower laminate and the inner layer of the upper laminate are mutually fused to form a predetermined number of collision support structures distributed in a preset manner to improve the structural strength of the blow molding board.
- the outer layer can adopt high surface strength
- the inner layer can be made of materials with low thermoplastic shrinkage ratio to provide frame support. If the middle layer of high toughness, elastic and energy-absorbing materials is also used, it can It further effectively alleviates the damage to the panel caused by impact and drop, thereby further improving the overall structural strength of the blow molded board.
- An advantage of the present invention is to provide a blow-molded panel and a method for manufacturing the blow-molded panel, wherein the blow-molded panel is prepared by a blow molding process, the manufacturing process is simple and the performance is excellent.
- Another advantage of the present invention is to provide a blow molded panel and a method for manufacturing the blow molded panel, wherein the blow molded panel has better scratch resistance.
- Another advantage of the present invention is to provide a blow molded panel and a method for manufacturing the blow molded panel, wherein the blow molded panel has better structural strength.
- Another advantage of the present invention is to provide a blow molded panel and a method for manufacturing the blow molded panel, wherein the blow molded panel has better impact resistance.
- Another advantage of the present invention is to provide a blow-molded panel and a manufacturing method of the blow-molded panel, wherein at least part of the manufacturing material of the blow-molded panel can be made of recycled plastic, and the surface color of the blow-molded panel can be based on The needs are selected.
- Another advantage of the present invention is to provide a blow-molded panel and a manufacturing method of the blow-molded panel, wherein the blow-molded panel is a hollow structure, including a first partial panel and a second partial panel that are relatively spaced apart, which is portable and has a relatively high Good structural strength.
- Another advantage of the present invention is to provide a blow-molded panel and a method of manufacturing a blow-molded panel, wherein the blow-molded panel includes at least two layers, and the first partial panel or the second partial panel can be double-layered or more. Multi-layer structure, and the performance of each layer and adjacent layers can be different, so that the panel as a whole has various excellent properties.
- the present invention provides a method for manufacturing a blow molded panel, which includes the following steps:
- the shaped blank into a blow-molded panel by a forming mold, wherein the shaped blank is blown to be extruded, and at least part of the shaped blank is attached to the inner wall of the forming mold to form a first partial panel
- the other part of the shaped blank is attached to the inner wall of the forming mold to form a second partial panel
- the first partial panel and the second partial panel surround to form a cavity
- the second partial panel includes a combination selected from At least part of one or two of the first polymer layer and at least part of the second polymer layer
- the first part of the panel includes a combination of other at least part of the first polymer layer and other at least part of the One or two of the second polymer layer
- the second partial panel is stretched by the molding die to be recessed into the cavity to form at least one support structure, wherein the first partial panel is supported on the The supporting structure formed by the second partial panel.
- the manufacturing method further includes the following steps:
- the second part of the panel includes a combination of other at least part One or more of the first polymer layer, other at least part of the second polymer layer, and other at least part of the third polymer layer.
- the manufacturing method further includes the following steps:
- the second partial panel is blow-molded in the forming mold to form at least one contact peak point extending into the cavity, and each contact peak point is recessed toward the first partial panel to be connected with the first partial panel.
- the second partial panel is recessed toward the first partial panel to the second layer of the second partial panel and the second layer of the first partial panel Mutual fusion to form the contact peak point.
- the manufacturing method further includes the following steps:
- a plurality of parts of the second partial panel are stretched by the forming die while being recessed in the direction of the first partial panel to form a predetermined number of support structures distributed in a predetermined manner, wherein each of the support structures respectively forms a recess Cavity.
- the shaped embryo corresponding to the second partial panel is recessed into the cavity in the forming mold to form the support structure and protrude outward to form at least one reinforcing rib, so The reinforcing ribs are located in the recessed cavity and extend integrally with the supporting structure.
- the stiffener is at least part of the supporting structure protruding toward the first partial panel to form a U-shaped wave shape, and straddling the bottom of the recessed cavity.
- Fig. 1 is a schematic structural diagram of a preferred embodiment 1 of the present invention.
- Fig. 2 is an enlarged schematic diagram of part A in Fig. 1.
- Fig. 3 is an enlarged schematic diagram of part B in Fig. 2.
- Fig. 4 is a schematic structural diagram of a second preferred embodiment of the present invention.
- Fig. 5A is a schematic diagram of a blow molded panel according to a preferred embodiment of the present invention.
- FIG. 5B is a schematic diagram of the blow molded panel according to the above-mentioned preferred embodiment of the present invention from another perspective.
- FIG. 6A is an enlarged schematic cross-sectional view of the blow molded panel according to the above-mentioned preferred embodiment of the present invention at the position J in FIG. 5B.
- FIG. 6B is an enlarged schematic diagram of the blow-molded panel according to the above-mentioned preferred embodiment of the present invention at the J position in FIG.
- FIG. 6C is an enlarged schematic cross-sectional view of the blow-molded panel according to the above-mentioned preferred embodiment of the present invention at position J in FIG. 5B.
- FIG. 7 is a schematic diagram of a manufacturing process of the blow molded panel according to the above-mentioned preferred embodiment of the present invention.
- Fig. 8 is a schematic diagram of a blow molding apparatus according to a preferred embodiment of the present invention.
- Fig. 9 is a working schematic diagram of the blow molding equipment according to the above-mentioned preferred embodiment of the present invention.
- the multi-layer blow-molded panel of this embodiment includes an upper plate 1 and a lower plate 2.
- the upper plate 1 and the lower plate 2 are blow-molded between A hollow structure is formed during molding.
- the upper board 1 and the lower board 2 of this embodiment are each a three-layer structure, that is, each includes an outer layer 3, a middle layer 5, and an inner layer 4, and the lower board 2 is upward, that is, in the direction of the upper board 1, and is recessed to
- the inner layer 4 of the lower board and the inner layer 4 of the upper board 1 are fused with each other to form a predetermined number of collision support structures 6 distributed in a preset manner.
- the edge structure of the multi-layer blow-molded panel is as follows, as shown in Figure 3, the outer edge of the upper plate 1 has an outer bending wall 11 that is bent downward, and the outer edge of the lower plate 2 has an inner bend that is bent downward
- the wall 21, the inner layer 4 at the bottom of the outer bent wall 11 and the inner layer 4 at the bottom of the inner bent wall 21 are fused into one body.
- the collision support structure 6 is strip-shaped, and the collision support structure 6 is provided with two reinforcing ribs 61, as shown in Figures 1 and 2, correspondingly, the collision support structure 61 is provided with three There are two contact peak points 62 and are spaced apart from the reinforcing rib 61.
- the raw material structure of the double-outer single-inner three-layer multi-layer blow-molded panel is as follows: the outer layer 3 of the upper board 1 and the lower board 2 are both made of high-density polyethylene, and the middle layer 5 of the upper board 1 and the lower board 2 are all selected from A mixture of high-density polyethylene and calcium carbonate or a mixture of high-density polyethylene and glass fiber is used, and the inner layer 4 of the upper board 1 and the lower board 2 are both made of metallocene polyethylene.
- the outer layer 3 has the advantages of high surface strength, scratch resistance, and oil resistance.
- the inner layer 4 has a low thermoplastic shrinkage ratio and provides frame structure support.
- the middle layer 5 has certain elasticity and energy absorption, high toughness, and energy Effectively alleviate the damage to the panel caused by impact and drop.
- the mass percentage of the high-density polyethylene is 70-85%, and the mass percentage of calcium carbonate is 15-30%.
- the mass percentage of high-density polyethylene is 60-85%, and the mass percentage of glass fiber is 15-40%.
- the hollow composite board has the advantages of high surface strength, high flatness, overall impact resistance, deformation resistance, more stable structure, higher performance and longer service life.
- the multi-layer multi-layer blow molding panel can be applied to many different occasions, for example, it can be applied to tables and chairs, as table panels, chair seats, back panels, etc., and can also be applied to other products whose panels are easy to break. It can also be applied to building materials such as wall panels, wall panels, door panels, fence panels, outdoor floors, insulation panels, and partition panels.
- the parameters of the high-density polyethylene used in the outer layer 3 are as follows: melting grease: 1.5 g/10 min, bending strength: 900 MPa, Shore D69.
- the parameters of the high-density polyethylene used in the intermediate layer 5 are as follows: melt fat: 0.35 g/10 min, bending strength: 1050 MPa, Shore D63.
- the parameters of the metallocene polyethylene used in the inner layer 4 are as follows:
- Elongation at break longitudinal 420%, transverse 830%;
- Tensile strength at break longitudinal 62MPa, transverse 25MPa;
- Ekmandorf tearing strength 21°C in longitudinal direction, 430°C in transverse direction.
- the outer layer, the middle layer, and the inner layer can be made of the same material, or different grades and grades of the same material, such as uniform use of high-density polyethylene.
- the outer layer can be made of brand-new materials with higher hardness and bright colors
- the middle layer can be used as a mixed layer
- the inner layer can use recycled materials and a certain proportion of structural filling materials. This can achieve cost savings and quick color change.
- the upper plate 1 and the lower plate 2 of this embodiment are each a double-layer structure, that is, both include an outer layer 3 and an inner layer 4, and the lower layer
- the board 2 is recessed in the direction of the upper board 1 until the inner layer of the lower board and the inner layer of the upper board 1 merge with each other to form a predetermined number of collision support structures 6 distributed in a preset manner.
- the raw material structure of the double-layer and multilayer blow-molded panel is as follows: the outer layer 3 of the upper layer 1 and the lower layer 2 are both made of high-density polyethylene, and the inner layer 4 of the upper layer 1 and the lower layer 2 are all selected from high-density polyethylene , A mixture of metallocene polyethylene and calcium carbonate or a mixture of high-density polyethylene, metallocene polyethylene and glass fiber.
- the mass percentage of the metallocene polyethylene in the inner layer is 10-15%, the mass percentage of calcium carbonate is 15-20%, and the rest is high-density polyethylene; or, the metallocene in the inner layer
- the mass percentage of polyethylene is 10-15%, the mass percentage of glass fiber is 15-25%, and the rest is high-density polyethylene.
- parameter performance of the high-density polyethylene and metallocene polyethylene used in this embodiment can refer to Embodiment 1, and the description will not be expanded here.
- the present invention provides a blow molded panel 1', wherein the blow molded panel 1'includes at least two polymer layers, wherein the blow molded panel 1 One of the polymer layers is directly or indirectly bonded or at least partially fused to the other polymer layer.
- the adjacent polymer layers can be joined directly or joined through an intermediate material layer, and the intermediate material layer can be at least one adhesive layer or at least one other polymer layer, or a mixture of adhesive and polymer Floor.
- the polymer layer on the outer side of the blow molded panel 1' may be colored or colorless. According to different usage scenarios, the thickness of a single layer of the blow molded panel 1'can range from 0.1 mm to 5 mm.
- the blow-molded panel 1' is a hollow structure.
- the blow-molded panel 1' includes a first partial panel 10' and a second partial panel 20', wherein the first partial panel 10' and the The second partial panel 20' is blow-molded to form a cavity 100', and the first partial panel 10' and the second partial panel 20' maintain a certain interval.
- the thickness of the first partial panel 10' or the second partial panel 20' may range from 1 mm to 5 mm, for example, 2 mm to 3 mm.
- the blow molded panel 1' includes a first polymer layer 30' and a second polymer layer 40', wherein at least part of the first polymer layer 30' and the second polymer layer 40' are mutually Overlap compound.
- the first partial panel 10' may include one or two selected from a combination of at least part of the first polymer layer 30' and at least part of the second polymer layer 40', and the second partial panel 20 ' May include one or two selected from combining other at least part of the first polymer layer 30' and other at least part of the second polymer layer 40'.
- first polymer layer 30' or the second polymer layer 40' has a clear boundary line
- first polymer layer 30' and the The second polymer layer 40' may be made of the same material, and the boundary at the junction of the first polymer layer 30' and the second polymer layer 40' may be blurred, such as fusion, Bonded or laminated one-piece composite structure.
- the first polymer layer 30' and the second polymer layer 40' may also be made of different materials.
- the thickness response of the first polymer layer 30' or the second polymer layer 40' may be 0.1 mm to 5 mm.
- the thickness of the first polymer layer 30' and the second polymer layer 40' may be the same or different.
- the first polymer layer 30' serves as an outer layer at this time, but it does not exclude that the surface of the first polymer layer 30' is covered with another A thin layer of a material, and the first polymer used to make the first polymer layer 30' is preferably a material with better scratch resistance.
- the first polymer may be solvent resistant or non-toxic. It is understood that a colorant may be included in the first polymer.
- the second polymer used to make the second polymer layer 40' can be selected from known ones that can be co-extrusion blow molded with the first polymer, and can be directly or indirectly bonded to the first polymer The polymer material of layer 30'.
- the first polymer layer 30' and the second polymer layer 40' are both continuous material layers, that is, the first polymer layer 30' is the first polymer layer 30' surrounds the periphery of the second polymer layer 40' and is not interrupted by any other layer. Similarly, the second polymer layer 40' surrounds the first polymer layer 30' and is not interrupted by any other layers.
- the second polymer used to make the second polymer layer 40' is selected to have impact resistance or better structural strength.
- the first polymer layer 30' is located outside the second polymer layer 40', and the second polymer layer 40' located inside the first polymer layer 30' can play a supporting role or buffer effect.
- the blow molded panel 1' includes a third polymer layer 50', wherein the first polymer layer 30' is laminated to the second polymer layer 40', and the second polymer layer The layer 40' is laminated to the third polymer layer 50'.
- the third polymer used to make the third polymer layer 50' can be selected from known ones that can be co-extrusion blow molded with the second polymer layer 40', and can be directly or indirectly bonded to the The polymer material of the second polymer layer 40'.
- the second polymer layer 40' may be made to have better impact resistance.
- the second polymer layer 40' is located between the first polymer layer 30' and the third polymer layer 50'.
- the second polymer The layer 40' can play an energy absorbing function, thereby reducing the influence of external impact on the first polymer layer 30' and the third polymer layer 50'. In other words, the impact resistance requirements for the first polymer layer 30' and the second polymer layer 40' can be reduced.
- the third polymer layer 50' is designed to have better structural strength, so the requirements for the structural strength of the first polymer layer 30' and the second polymer layer 40' can be reduce.
- the blow molded panel 1'a is a multi-layer, for example, the first partial panel 10' is a double layer, and the second partial panel 20' is a single layer, so that each layer achieves its own performance. , Then for the entire blow molded panel 1', the overall performance will be very good. In this way, the requirements for the manufacturing materials of the blow-molded panel 1'are reduced, and at the same time, the blow-molded panel 1'itself can possess performance beyond the expectations for each single layer.
- the manufacturing process of the blow-molded panel 1' involves an extrusion or co-extrusion blow molding process.
- the polymer can be heated to have a certain fluidity, and then extruded and molded, and it can be obtained after cooling.
- the expected blow-molded panel 1' The expected blow-molded panel 1'.
- the second partial panel 20' is recessed toward the first partial panel 10' to form a plurality of support structures 60', wherein the support structure 60' is used to support the first partial panel 10'.
- the second partial panel 20' includes a second partial panel main body 21' and at least one supporting structure 60', wherein the supporting structure 60' integrally extends to the second partial panel main body 21'.
- the second partial panel main body 21' and the first partial panel 10' are spaced apart, and the supporting structure 60' is formed to extend toward the first partial panel 10'.
- the existence of the supporting structure 60' can increase the supporting strength of the blow-molded panel 1', and it is worth noting that since the blow-molded panel 1'is manufactured by a blow molding process, the supporting structure The existence of 60' does not affect the weight of the overall blow-molded panel 1'. When the number of the supporting structures 60' is multiple and the number increases, the weight of the blow-molded panel 1'will not be increased.
- the thickness of the first layer 30', the second layer 40' and the third layer 50' is different in the first partial panel 10' and the second partial panel 20'. At least part of the second partial panel 20' is stretched to form the support structure 60'. That is, at the position of the second partial panel 20', the first layer 30', the second layer 40' and the third layer 50' are partially stretched to form the support structure 60' . Therefore, at least a part of the thickness of the supporting structure 60' is smaller than the thickness of the first partial panel 10'', so that the thickness of the supporting structure 60' is relatively thin to facilitate heat dissipation at the position of the supporting structure 60'.
- the smaller thickness of the supporting structure 60' is also beneficial to heat dissipation around the first partial panel 10'.
- the supporting structure 60' and the first partial panel 10' can be mutually joined, for example, at least part of the supporting structure 60' and at least part of the first partial panel 10' can be mutually joined. Fusion, or the supporting structure 60' can be just against the first partial panel 10', or the supporting structure 60' and the first partial panel 10' can be kept at a certain distance, and then the two can be Relative movement so that the first partial panel 10' is supported on the supporting structure 60', or another supporting medium is arranged between the supporting structure 60' and the first partial panel 10' to make the first partial The panel 10' is supported by the supporting structure 60'.
- the number of the support structures 60' can be multiple, and the adjacent support structures 60' can be arranged at intervals and staggered, for example, staggered horizontally and vertically,
- the second partial panel 20' includes at least one reinforcing rib 70', wherein the reinforcing rib 70' is disposed on the supporting structure 60' to play a strengthening role.
- at least part of the second partial panel 20' is recessed to form the support structure 60', so at least one recessed cavity 200' is formed outside the second partial panel 20', and the reinforcing rib 70' is It is arranged on the supporting structure 60' and in the recessed cavity 200'.
- the recessed cavity 200' is set to have a W-shaped cross-section, and the overall shape can be an oblong, with two arc ends, the periphery of which extends obliquely upward and inward to form a reinforced second panel 20'
- the supporting structure 60' The reinforcing rib 70' can be observed on the outside of the second partial panel 20'.
- At least part of the supporting structure 60' protrudes outward to form the reinforcing rib 70'. At least part of the supporting top wall 62' of the supporting structure 60' protrudes outwards, and while forming the peak point 63', the reinforcing rib 70 is formed between the adjacent peak points 63' '.
- the number of the ribs 70' can be multiple and keep a certain interval.
- each of the supporting structures 60' is provided with a pair of the reinforcing ribs 70', and they are evenly arranged across the bottom of the recessed cavity 200' in the transverse direction, that is, the opposite of the supporting structure 60' top.
- the reinforcing ribs 70' are U-shaped waves, which may be integrally extended to the supporting structure 60', or may be formed by at least part of the supporting structure 60' extending outwardly.
- the wave-shaped structure is an ideal reinforcing structure, so the pair of wave-shaped stiffeners 70' form the above-mentioned three-peak wave support structure 60', which greatly strengthens the second part of the panel 20' Impact resistance and robustness.
- the second partial panel 20' is formed with at least one contact peak point 63', wherein the contact peak point 63' is located higher than the surrounding part and is close to the first partial panel 10'.
- the supporting structure 60' includes a supporting side wall 61' and a supporting top wall 62', wherein the supporting side wall 61' extends integrally with the second partial panel body 21', and the supporting side
- the wall 61' surrounds the supporting top wall 62', and the first partial panel 10' is supported on the supporting top wall 62'.
- the supporting top wall 62' may be arc-shaped to form the peak point 63'.
- the supporting top wall 62' is configured to be undulating to form a plurality of the peak points 63', for example, three peak points 63'.
- the second partial panel 20' extends toward the cavity, that is, toward the first partial panel 10', and forms the contact peak 63'.
- the second partial panel 20' is recessed toward the first partial panel 10' until the third layer 50' of the second partial panel 20' and the third layer 50' of the first partial panel 10' merge with each other to form the contact peak 63 ', the first partial panel 10' is supported at the contact peak point 63'.
- the first partial panel 10' can be supported at the position of the contact peak point 63', and the second partial panel 20' and the first partial panel 10' can be reduced by forming the contact peak point 63' Contact to facilitate heat dissipation and demolding during the manufacturing process.
- At least part of the second partial panel 20' may undulate and extend to form the contact peak point 63'.
- the number of the contact peak points 63' may be multiple and keep an interval.
- Each of the reinforcing ribs 70' and each of the contact peak points 63' in the position of the recessed cavity 200' are arranged in a concave-convex staggered shape, as shown in FIG. 6A, to form the supporting structure 60'.
- the contact peak point 63' is located at the support structure 60'. At least part of the supporting structure 60' extends outward to form the reinforcing rib 70', thereby forming two or more spaced contact peak points 63'.
- the three peak points of the support structure 60' become the three contact peak points 63'.
- the second partial panel 20 ' The third layer 50' is just recessed to the third layer 50' of the first partial panel 10', and is integrated with the third layer 50' of the first partial panel 10'.
- the third layer 50' of the second partial panel 20' just meets the third layer 50' of the first partial panel 10'.
- the second partial panel 20' is combined with the first partial panel 10' by all the contact peak points 63' of the supporting structure 60' to form a hollow panel.
- the three-peak wave supporting structure 60' formed by the wave-shaped reinforcing ribs 70' of the second partial panel 20' is also formed by the combination of each contact peak 63' and the first partial panel 10'
- the impact and force applied to the first partial panel 10' are directly and evenly transmitted to the second partial panel 20' to support the force, while the first partial panel 10'
- the cavity 100' in the second part of the panel 20' is formed to provide cushioning and shock-absorbing effects.
- the predetermined number of supporting structures 60' are preferably staggered and evenly distributed in the vertical and horizontal directions, with equal distances from each other; in this way, even if the fusion panel 1'of the present invention is a hollow structure, the material is greatly reduced. Cost and weight, but this makes the fusion panel 1'form an impact-resistant and strong structure that crosses the vertical and horizontal directions to reinforce the force.
- the multiple evenly distributed joints of the first partial panel 10' and the second partial panel 20' are fused with each other, so that the first partial panel 10 'It is more integrated with the second partial panel 20', and the impact and force exerted on the first partial panel 10' are directly and evenly transmitted to the second partial panel 20' and supported by the distributed force, and then directly transmitted to
- the supporting device supported on the fusion panel 1' such as a leg device in contact with the ground.
- FIG. 7 the manufacturing process of the blow-molded panel 1'according to the above-mentioned preferred embodiment of the present invention is illustrated.
- the third polymer of the material layer 50' is heated to have a certain fluidity to obtain the flowable first polymer, the flowable second polymer, and the flowable third polymer. polymer.
- the material types of the first polymer layer 30', the second polymer layer 40', and the third polymer layer 50' are not limited to the aforementioned types. Those skilled in the art can select suitable materials for each layer of the blow molded panel 1'according to the characteristics of the materials.
- the first partial panel 10' or the second partial panel 20' of the blow molded panel 1' may have a double-layer structure.
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Abstract
Description
Claims (40)
- 一吹塑面板的制造方法,其特征在于,包括如下步骤:加热一第一聚合物和一第二聚合物至具有流动性;挤出所述第一聚合物和所述第二聚合物以形成相互接合的所述第一聚合物层和所述第二聚合物层以获得一形胚,其中所述第一聚合物层位于所述第二聚合物层外侧并且所述第一聚合物层和所述第二聚合物层在连接处相互融合;以及藉由一成型模具成型所述形胚为一吹塑面板,其中所述形胚被吹气以挤压成型,所述形胚的至少部分贴合于所述成型模具内壁形成一第一部分面板,所述形胚的另外部分贴合于所述成型模具内壁形成一第二部分面板,所述第一部分面板和所述第二部分面板围绕形成一空腔,其中所述第二部分面板包括选自组合至少部分所述第一聚合物层和至少部分所述第二聚合物层的一种或者两种,所述第一部分面板包括选自组合其他至少部分所述第一聚合物层和其他至少部分所述第二聚合物层的一种或者两种。
- 根据权利要求1所述的制造方法,其中在上述方法中,进一步包括如下步骤:加热一第三聚合物至具有流动性,其中所述第三聚合物被挤出形成接合于所述第二聚合物层内侧的所述第三聚合物层,其中所述第一部分面板包括选自组合至少部分所述第一聚合物层、至少部分所述第二聚合物层以及至少部分所述第三聚合物层的一种或者几种,所述第二部分面板包括选自组合其他至少部分所述第一聚合物层、其他至少部分所述第二聚合物层以及其他至少部分所述第三聚合物层的一种或者几种。
- 根据权利要求1或2所述的制造方法,进一步包括如下步骤:在所述成型模具内向所述第二部分面板吹气成型以形成朝腔内延伸的至少一接触峰点,所述各接触峰点朝向第一部分面板方向凹陷至与第一部分面板相接。
- 根据权利要求3所述的制造方法,其中在上述方法中,其中所述第二部分面板朝向所述第一部分面板凹陷至第二部分面板的所述第二层与所述第一部分面板的所述第二层相互融合而形成所述接触峰点。
- 根据权利要求1或2所述的制造方法,进一步包括如下步骤:藉由所述成型模具拉伸所述第二部分面板的多个部分同时朝所述第一部分面板方向凹陷形成预定数目和以预设方式分布的支撑结构,其中各所述支撑结构分别形成一凹陷腔。
- 根据权利要求3所述的制造方法,进一步包括如下步骤:藉由所述成型模具拉伸所述第二部分面板的多个部分同时朝所述第一部分面板方向凹陷形成预定数目和以预设方式分布的支撑结构,其中各所述支撑结构分别形成一凹陷腔。
- 根据权利要求5所述的制造方法,其中对应于所述第二部分面板的所述形胚在所述成型模具内朝所述腔内凹陷形成所述支撑结构并且朝外凸出形成至少一加强筋,所述加强筋位于所述凹陷腔中并且是一体延伸于所述支撑结构。
- 根据权利要求6所述的制造方法,其中对应于所述第二部分面板的所述形胚在所述成型模具内朝所述腔内凹陷形成所述支撑结构并且朝外凸出形成至少一加强筋,所述加强筋位于所述凹陷腔中并且是一体延伸于所述支撑结构。
- 根据权利要求7所述的制造方法,其中所述加强筋是所述支撑结构的至少部分朝所 述第一部分面板凸出延伸形成U形的波浪状,横跨于所述凹陷腔底部。
- 根据权利要求8所述的制造方法,其中所述加强筋是所述支撑结构的至少部分朝所述第一部分面板凸出延伸形成U形的波浪状,横跨于所述凹陷腔底部。
- 根据权利要求1或2所述的制造方法,其中在上述方法中,所述成型模具包括一右模具和一左模具,其中所述左、右模具相互合拢以使得所述第一部分面板和所述第二部分面板相互靠拢以成型,其中所述支撑结构的至少部分融合于所述第一部分面板的至少部分。
- 根据权利要求1或2所述的制造方法,其中在所述挤出步骤中,所述第一聚合物层和所述第二聚合物层自上而下被挤出,并且所述成型模具位于所述第一聚合物层和所述第二聚合物层挤出位置的下方,以使得被挤出的所述形胚自动落入到所述成型模具。
- 根据权利要求1或2所述的制造方法,其中在上述方法中,所述第一聚合物或者所述第二聚合物的加热温度范围为160℃到180℃。
- 根据权利要求2所述的制造方法,其中在上述方法中,所述第一聚合物为高密度聚乙烯,所述第二聚合物选自组合高密度聚乙烯加碳酸钙和高密度聚乙烯加玻纤中的一种或者两种,所述第三聚合物为茂金属聚乙烯。
- 根据权利要求2所述的制造方法,其中所述第二聚合物来源于回收塑料。
- 根据权利要求2所述的制造方法,其中所述第二聚合物层是一发泡层。
- 根据权利要求2所述的制造方法,其中所述第二聚合物层是一粘合层,所述第一聚合物层藉由所述第二聚合物层被粘合于所述第三聚合物层。
- 根据权利要求2所述的制造方法,其中在上述方法中,所述第一聚合物层的耐刮擦性能分别优于所述第二聚合物层和所述第三聚合物层,所述第二聚合物层的耐冲击性能分别优于所述第一聚合物层和所述第三聚合物层,所述第三聚合物层的结构强度分别优于所述第一聚合物层和所述第二聚合物层。
- 根据权利要求1或2所述的制造方法,其中所述吹塑面板是一桌面板,所述第一部分面板和所述第二部分面板的至少部分相互平行。
- 根据权利要求1或2所述的制造方法,其中所述吹塑面板的所述第一聚合物层或者所述第二聚合物层的厚度范围为0.1mm到5mm。
- 根据权利要求1或2所述的制造方法,其中所述吹塑面板的厚度范围为40mm到60mm。
- 根据权利要求1或2所述的制造方法,进一步包括如下步骤:排气;和冷却脱模以获得独立的所述吹塑面板。
- 一吹塑设备,适于通过一第一聚合物和一第二聚合物制备一吹塑面板,其特征在于,包括:一进料单元,其中所述进料单元包括一第一进料螺杆和一第二进料螺杆;一挤出单元,其中所述挤出单元具有一第一挤出通道和一第二挤出通道,其中所述第一进料螺杆和所述第二进料螺杆分别被连通于所述挤出单元,该第一聚合物通过所述第一进料螺杆被加热并且传输至所述挤出单元的所述第一挤出通道,该第二聚合物通过所述 第二进料螺杆被加热并且传输至所述挤出单元的所述第二挤出通道,所述第一挤出通道位于所述第二挤出通道外侧,当该第一聚合物和该第二聚合物分别自所述第一挤出通道和所述第二挤出通道挤出形成该吹塑面板的一第一聚合物层和一第二聚合层,该第一聚合物层接合于该第二聚合物层并且围绕形成一空腔;以及一吹塑单元,其中所述吹塑单元包括一成型模具和一吹气套件,其中所述成型模具包括一左模具和一右模具以及具有一成型空间,来自于所述挤出单元的该第一聚合物层和该第二聚合物层被放置于所述成型模具的所述成型空间成型,所述吹气套件朝该空腔内吹气以成型该吹塑面板,其中所述左模具形成该吹塑面板的一第一部分面板,所述右模具形成该吹塑面板的一第二部分面板,该第一部分面板和该第二部分面板保持间隔并且在边缘相互连接以形成中空的该吹塑面板,其中该第一部分面板包括选自组合至少部分该第一聚合物层和至少部分该第二聚合物层的一种或者两种,该第二部分面板包括选自其他至少部分该第一聚合物层和其他至少部分该第二聚合物层的一种或者两种。
- 根据权利要求23所述的吹塑设备,其中所述进料单元进一步包括一第三进料螺杆,所述挤出单元具有一第三挤出通道,所述第三进料螺杆被连通于所述第三挤出通道,所述第三挤出通道位于所述第二挤出通道内侧,其中所述第三挤出通道适于挤出用于制作该吹塑面板的一第三聚合物,该第二聚合物层位于所述第一聚合物层和所述第三聚合物层之间。
- 根据权利要求23或24所述的吹塑设备,其中所述第一挤出通道环绕所述第二挤出通道。
- 根据权利要求23或24所述的吹塑设备,其中所述吹气套件包括一吹针和一气罐,其中所述气罐被连通于所述吹针,所述吹针适于向所述成型模具中吹气以成型该吹塑面板。
- 根据权利要求23所述的吹塑设备,其中所述左模具的内壁形成有至少一凸起,以形成该吹塑面板的预定数目和以预设方式分布的支撑结构,其中该吹塑面板的该第二部分面板朝所述空腔内凹陷形成该支撑结构,各个该支撑结构分别形成一个凹陷腔。
- 根据权利要求27所述的吹塑设备,其中所述成型模具的所述左模具的所述凸起的数目是多个,并且相邻的所述凸起保持间隔同时交错延伸,以形成交错延伸的该支撑结构。
- 根据权利要求27所述的吹塑设备,其中所述左模具的所述凸起成型至少一加强筋,其中该加强筋是该支撑结构的至少部分朝该第一部分面板凸出延伸形成U形的波浪状,横跨于该凹陷腔底部并且相对形成至少一接触峰点。
- 根据权利要求24所述的吹塑设备,其中所述左模具的内壁形成有至少一凸起,以形成该吹塑面板的预定数目和以预设方式分布的支撑结构,其中该吹塑面板的该第二部分面板朝所述空腔内凹陷形成该支撑结构,各个该支撑结构分别形成一个凹陷腔。
- 根据权利要求30所述的吹塑设备,其中所述成型模具的所述左模具的所述凸起的数目是多个,并且相邻的所述凸起保持间隔同时交错延伸,以形成交错延伸的该支撑结构。
- 根据权利要求30所述的吹塑设备,其中所述左模具的所述凸起成型至少一加强筋,其中该加强筋是该支撑结构的至少部分朝该第一部分面板凸出延伸形成U形的波浪状,横跨于该凹陷腔底部并且相对形成至少一接触峰点。
- 根据权利要求32所述的吹塑设备,其中该第一部分面板的该第三聚合物层和该第二部分面板的该第三聚合物层相互融合形成所述接触峰点。
- 根据权利要求23所述的吹塑设备,其中所述左模具的内壁形成有至少一凸起,以形成该吹塑面板的至少一接触峰点,该接触峰点朝向该第一部分面板凹陷至和该第一部分面板相接。
- 根据权利要求34所述的吹塑设备,其中当所述成型模具的所述左模具合模于所述右模具,所述左模具的所述凸起到所述右模具的内壁的距离小于所述第一挤出通道的内径和所述第二挤出通道内径的之和的两倍。
- 根据权利要求24所述的吹塑设备,其中所述左模具的内壁形成有至少一凸起,以形成该吹塑面板的至少一接触峰点,该接触峰点朝向该第一部分面板凹陷至和该第一部分面板相接。
- 根据权利要求36所述的吹塑设备,其中所述左模具的所述凸起到所述右模具的内壁的距离被设置为当所述成型模具的所述左模具合模于所述右模具,该第一部分面板的该第三聚合物层和该第二部分面板的该第三聚合物层相互融合形成所述接触峰点。
- 根据权利要求24所述的吹塑设备,其中该第一聚合物包括高密度聚乙烯,该第三聚合物包括选自组合高密度聚乙烯加碳酸钙和高密度聚乙烯加玻纤中的一种或者两种,该第二聚合物包括选自组合茂金属聚乙烯加碳酸钙和茂金属聚乙烯加玻纤中的一种或者两种。
- 根据权利要求23或24所述的吹塑设备,其中所述第一挤出通道和所述第二挤出通道被设计为大小可调整的,以使得该第一聚合层和该第二聚合层的厚度分别被可调整的。
- 根据权利要求23或24所述的吹塑设备,其中所述成型模具位于所述挤出单元的下方,该第一聚合物和该第二聚合物自上而下被挤出至所述成型模具,其中所述第一挤出通道位于所述第二挤出通道外侧,并且所述第二挤出通道和所述第一挤出通道的横截面呈同心环状排列。
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