CN116674225A - Refrigerator skin with multiple layers of glass fibers, manufacturing method thereof and forming equipment - Google Patents
Refrigerator skin with multiple layers of glass fibers, manufacturing method thereof and forming equipment Download PDFInfo
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- CN116674225A CN116674225A CN202310634617.8A CN202310634617A CN116674225A CN 116674225 A CN116674225 A CN 116674225A CN 202310634617 A CN202310634617 A CN 202310634617A CN 116674225 A CN116674225 A CN 116674225A
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- glass fiber
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- 239000003365 glass fiber Substances 0.000 title claims abstract description 98
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 13
- 239000004744 fabric Substances 0.000 claims abstract description 46
- 239000002184 metal Substances 0.000 claims abstract description 37
- 239000011265 semifinished product Substances 0.000 claims abstract description 35
- 239000011152 fibreglass Substances 0.000 claims abstract description 32
- 239000003292 glue Substances 0.000 claims abstract description 30
- 238000005096 rolling process Methods 0.000 claims abstract description 28
- 238000012545 processing Methods 0.000 claims abstract description 17
- 230000000149 penetrating effect Effects 0.000 claims abstract description 6
- 238000003892 spreading Methods 0.000 claims abstract description 5
- 230000007480 spreading Effects 0.000 claims abstract description 5
- 238000009413 insulation Methods 0.000 claims description 43
- 238000007599 discharging Methods 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 10
- 230000008439 repair process Effects 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 7
- 238000004321 preservation Methods 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 4
- 239000011810 insulating material Substances 0.000 claims description 4
- 229920001971 elastomer Polymers 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 238000000465 moulding Methods 0.000 abstract description 4
- 239000010410 layer Substances 0.000 abstract 7
- 239000011248 coating agent Substances 0.000 abstract 2
- 238000000576 coating method Methods 0.000 abstract 2
- 239000011247 coating layer Substances 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 10
- 238000001816 cooling Methods 0.000 description 5
- 239000000835 fiber Substances 0.000 description 3
- 238000004026 adhesive bonding Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 229920005830 Polyurethane Foam Polymers 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000007767 bonding agent Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000001595 contractor effect Effects 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 235000013372 meat Nutrition 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 239000011496 polyurethane foam Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 229920006337 unsaturated polyester resin Polymers 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D33/00—Superstructures for load-carrying vehicles
- B62D33/04—Enclosed load compartments ; Frameworks for movable panels, tarpaulins or side curtains
- B62D33/048—Enclosed load compartments ; Frameworks for movable panels, tarpaulins or side curtains for refrigerated goods vehicles
-
- 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
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
-
- 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
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/54—Component parts, details or accessories; Auxiliary operations, e.g. feeding or storage of prepregs or SMC after impregnation or during ageing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B25/00—Layered products comprising a layer of natural or synthetic rubber
- B32B25/10—Layered products comprising a layer of natural or synthetic rubber next to a fibrous or filamentary layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
- B32B5/028—Net structure, e.g. spaced apart filaments bonded at the crossing points
-
- 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
- B29L2031/00—Other particular articles
- B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/10—Inorganic fibres
- B32B2262/101—Glass fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/10—Inorganic fibres
- B32B2262/103—Metal fibres
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Composite Materials (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Laminated Bodies (AREA)
Abstract
The invention discloses a refrigerator skin with multiple layers of glass fibers, a manufacturing method and forming equipment thereof, which comprises the following steps: s1, roll-coating a gel coating layer on one surface of a glass fiber reinforced plastic plate; s2, paving a layer of soft heat-insulating plate on the gel coat layer of the glass fiber reinforced plastic plate; s3, rolling and coating a gel coat layer on one surface of the soft heat-insulating plate; s4, spreading a layer of glass fiber cloth on the gel coat layer of the soft heat-insulating plate, and penetrating part of glass fibers into the soft heat-insulating plate in a needling mode; s5, paving a layer of broken glass fiber and glue prostheses on the glass fiber cloth, and rolling the prostheses to obtain a semi-finished product; s6, paving a layer of metal net on the glass fiber surface of a semi-finished product, wherein barbs are arranged on two surfaces of the metal net; and S7, paving the other semi-finished product on the metal net, and rolling to obtain the finished skin. The molding apparatus includes: the discharge ends of the two semi-finished product processing devices are oppositely arranged; the metal mesh unreeling device and the pair roller are respectively positioned above and below the discharge end of the two semi-finished product processing devices.
Description
Technical Field
The invention relates to the technical field of refrigerators, in particular to a refrigerator skin with multiple layers of glass fibers, a manufacturing method thereof and forming equipment thereof.
Background
The refrigerator car is mainly used for transporting frozen goods such as meat or fresh-keeping goods such as fruits or low-temperature preserved goods such as medicines, and consists of a refrigerating unit for cooling, a heat-insulating box refrigerator for containing the goods and three large pieces of moving car bodies. Wherein, cold refrigerating unit is used for the regulation and control of temperature, and the railway carriage or compartment body is used for the maintenance of temperature. If the refrigeration unit is said to be a provider of energy, the compartment is the reservoir of energy. Among the three major components of the refrigerated vehicle, the refrigeration unit and the refrigerated container have a greater impact on the transported cargo, playing a critical role.
The main body of the refrigerator is a box body formed by heat-insulating boards, the general heat-insulating boards are of a totally-enclosed polyurethane board bonding glass fiber reinforced plastic structure, glass fiber reinforced plastic is used as a skin, unsaturated polyester resin is used as a bonding agent, a cushion layer is additionally added, and hard polyurethane foam is used as an internal heat-insulating material. Therefore, besides the internal heat insulation materials, the skin is also important for heat insulation of the carriage, the thickness of the general skin can be changed according to the temperature required by common cooling and deep cooling of the use environment of the carriage, the requirement can be met by only one layer to two heat insulation glass fiber layers with the thickness of about 1cm in the skin at the temperature of 20 ℃ or below, and when the temperature is lower, the glass fiber layers are required to be properly thickened, so that the investment of materials is reduced as much as possible, the thickness of the skin is reduced on the basis of ensuring the heat insulation effect, and the cost is reduced and the storage space is increased as much as possible.
Therefore, when the skin is manufactured, a thinner glass fiber layer is often used for better adapting to the adjustment of the thickness of the skin, but because a plurality of layers of glass fiber layers are needed to be glued, the phenomenon that the layers of glass fiber layers in the skin are separated and loosened often occurs under the influence of the environment with larger temperature difference between the inside and the outside, the heat insulation effect is poor, and the use of the refrigerator is not facilitated.
Disclosure of Invention
The invention aims to provide a refrigerated container skin with multiple layers of glass fibers, a manufacturing method and forming equipment thereof, and aims to solve the problems that multiple layers of glass fiber layers are required to be glued, the multiple layers of glass fiber layers in the skin are often separated and loosened under the influence of the environment with large temperature difference between the inside and the outside, and the heat insulation effect is poor.
In order to solve the technical problems, the invention adopts the following technical scheme:
a manufacturing method of a refrigerator skin with multiple layers of glass fibers comprises the following steps:
s1, glue is rolled on one surface of a glass fiber reinforced plastic plate, and a blank-free gel coat layer is formed;
s2, paving a layer of soft heat-insulating plate on the gel coat layer of the glass fiber reinforced plastic plate, and rolling at least once;
s3, glue is rolled on one surface of the soft heat-insulating plate, and a blank-free gel coat layer is formed;
s4, spreading a layer of glass fiber cloth on the gel coat layer of the soft heat-insulating plate, and penetrating part of glass fibers into the soft heat-insulating plate in a needling mode;
s5, paving a layer of broken glass fiber and glue prostheses on the glass fiber cloth, and rolling the prostheses to obtain a semi-finished product;
s6, paving a layer of metal net on the glass fiber surface of a semi-finished product, wherein barbs are arranged on two surfaces of the metal net;
s7, paving the other semi-finished product on the metal net, and rolling at least once to obtain a finished skin;
and S8, drying and shaping the finished skin, and warehousing.
The further technical scheme is as follows: and S5, the ratio of the glue in the prosthesis to the broken glass fiber is 1:1.5-3.5.
The further technical scheme is as follows: the soft heat-insulating board is made of rubber and plastic heat-insulating materials.
The further technical scheme is as follows: the height of the barbs of the metal net is not more than half of the thickness of the glass fiber cloth.
A refrigerator skin having multiple layers of fiberglass, the refrigerator skin comprising:
glass fiber reinforced plastic plate;
the soft heat-insulating plates are respectively glued on the surfaces of the two glass fiber reinforced plastic plates;
the glass fiber cloth is respectively glued on the surfaces of the two soft heat-insulating plates, and the glass fiber cloth is partially positioned in the soft heat-insulating plates;
the two repairing layers are respectively paved on the two glass fiber cloths;
the metal net layer is positioned between the two repairing layers, and barbs on the metal net layer penetrate through the repairing layers and are positioned in the glass fiber cloth.
A refrigerator skin forming apparatus having a plurality of layers of glass fibers, the forming apparatus comprising:
the discharge ends of the two semi-finished product processing devices are oppositely arranged;
the metal net unreeling device is positioned above the discharge end of the two semi-finished product processing devices;
and the pair of rollers is positioned below the discharge ends of the two semi-finished product processing devices.
The further technical scheme is as follows: the semi-finished product processing device comprises a conveying device, and a glass fiber reinforced plastic plate unreeling device, a first glue rolling device, a soft heat-insulating plate unreeling device, a compression roller, a second glue rolling device, a glass fiber cloth unreeling device, a needling machine, a prosthesis laying machine, a rolling roller and a reversing roller which are sequentially arranged on the conveying device according to the advancing direction of materials.
The further technical scheme is as follows: the needling machine comprises a transverse plate, an air cylinder, a needle plate and a filter plate, wherein the transverse plate and the filter plate are both arranged on the conveying device, the air cylinder is vertically downwards arranged on the transverse plate, the needle plate is arranged at the output end of the air cylinder, the needle plate and the filter plate are correspondingly arranged, and a needle hole matched with the needle plate is formed in the filter plate.
The further technical scheme is as follows: the repair thing laying machine comprises an insulation box, a stirrer, a discharging nozzle and a baffle plate, wherein the insulation box is arranged on the conveying device, the stirrer is arranged on the insulation box, the stirring end of the stirrer is positioned in the insulation box, the discharging nozzle is arranged at the bottom discharging hole of the insulation box, a plurality of baffle plates are vertically arranged at the bottom of the insulation box, and the baffle plate is positioned at the discharging end of the discharging nozzle.
Compared with the prior art, the invention has at least one of the following beneficial effects:
the invention provides a refrigerator skin with multiple layers of glass fibers and a manufacturing method thereof, and the refrigerator skin produced by the method can be used for tightly bonding the multiple layers of glass fiber cloth, so that the multiple layers of glass fiber cloth cannot be easily separated or loosened even if the glue is invalid or poor due to the influence of internal cooling and external heating environments with extremely large temperature difference, and the heat preservation and insulation effects of the skin are ensured; in addition, the glass fiber cloth of the outermost layer can generate a connection relation with the soft insulation board except for adhesion, so that the firmness of each layer of the skin of the refrigerator is further improved, and the insulation effect is improved.
The refrigerator skin forming equipment with the multi-layer glass fibers can perform one-step forming processing on the refrigerator skin with the multi-layer glass fibers, and improves production efficiency.
Drawings
FIG. 1 is a schematic view of a refrigerated case skin having multiple layers of fiberglass according to the present invention.
Fig. 2 is a schematic structural view of a skin forming apparatus for a refrigerator having a plurality of layers of glass fibers according to the present invention.
Fig. 3 is a schematic view of the structure of the needling machine of fig. 2 in accordance with the present invention.
FIG. 4 is a schematic illustration of the repair paving machine of FIG. 2 according to the present disclosure.
Reference numerals: 1. glass fiber reinforced plastic plate; 2. a soft insulation board; 3. glass fiber cloth; 4. a repair layer; 5. a metal mesh layer; 6. a metal net unreeling device; 7. a pair of rollers; 8. a conveying device; 9. a glass fiber reinforced plastic plate unreeling device; 10. a glue rolling device, 11 and a soft insulation board unreeling device; 12. a press roller; 14. a second glue rolling device; 14. a glass fiber cloth unreeling device; 15. a needling machine; 151. a cross plate; 152. a cylinder; 153. a needle plate; 154. a filter plate; 16. a prosthesis laying machine; 161. an insulation box; 162. a stirrer; 163. a discharge nozzle; 164. a baffle; 17. rolling a flattening roller; 18. reversing roller.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, based on the embodiments of the invention, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the invention.
In addition, the embodiments of the present invention and the features of the embodiments may be combined with each other without collision.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present invention, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, or are directions or positional relationships conventionally understood by those skilled in the art, are merely for convenience of describing the present invention and for simplifying the description, and are not to indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Embodiment one:
in this embodiment, as shown in fig. 1, a method for manufacturing a cover of a refrigerator having a plurality of layers of glass fibers includes the following steps:
s1, glue is rolled on one surface of a glass fiber reinforced plastic plate, and a blank-free gel coat layer is formed;
s2, paving a layer of soft heat-insulating plate on the gel coat layer of the glass fiber reinforced plastic plate, and rolling at least once;
s3, glue is rolled on one surface of the soft heat-insulating plate, and a blank-free gel coat layer is formed;
s4, spreading a layer of glass fiber cloth on the gel coat layer of the soft heat-insulating plate, and penetrating part of glass fibers into the soft heat-insulating plate in a needling mode;
s5, paving a layer of broken glass fiber and glue prostheses on the glass fiber cloth, and rolling the prostheses to obtain a semi-finished product;
s6, paving a layer of metal net on the glass fiber surface of a semi-finished product, wherein barbs are arranged on two surfaces of the metal net;
s7, paving the other semi-finished product on the metal net, and rolling at least once to obtain a finished skin;
and S8, drying and shaping the finished skin, and warehousing.
The further technical scheme is as follows: s5, the proportion of the glue in the prosthesis to the broken glass fiber is 1:1.5-3.5, so that the prosthesis is prevented from being too thin, and the prosthesis is easy to drip when the semi-finished product is reversed.
The further technical scheme is as follows: the soft heat-insulating board is made of rubber and plastic heat-insulating materials.
The further technical scheme is as follows: the height of the barbs of the metal net is not more than half of the thickness of the glass fiber cloth.
A refrigerator skin having a plurality of layers of fiberglass, the refrigerator skin comprising: as shown in fig. 1
A glass fiber reinforced plastic plate 1;
the soft heat preservation plates 2 are respectively glued on the surfaces of the two glass fiber reinforced plastic plates 1;
the glass fiber cloth 3, two glass fiber cloths 3 are respectively glued on the surfaces of the two soft heat-insulation boards 2, and part of the glass fiber cloth 3 is positioned in the soft heat-insulation boards 2;
the two repairing layers 4 are respectively paved on the two glass fiber cloths 3;
the metal mesh layer 5, the metal mesh layer 5 is located between two repair layers 4, and the barb on the metal mesh layer 5 passes through the repair layers 4 and is located in the glass fiber cloth 3.
A layer of soft heat-insulating plate 2 (softer in texture) is glued in the glass fiber reinforced plastic plate 1 (harder in texture), so that a further heat-insulating effect is achieved, on the one hand, the heat-insulating plate can serve as a connection basis with the outermost glass fiber cloth 3, on the other hand, part of fibers of the outermost glass fiber cloth 3 are pricked into the soft heat-insulating plate 2 together with glue, the soft heat-insulating plate 2 retains and clamps part of the fibers due to the self shrinkage force, the soft heat-insulating plate 2 and the outermost glass fiber cloth 3 are further connected and firmly strengthened, and on the other hand, the surface of the outer glass fiber cloth 3 is uneven and mainly concave due to the fact that part of the outermost glass fiber cloth 3 pricks into the soft heat-insulating plate 2, at this time, a repair object of broken glass fibers and glue is needed to fill and roll the concave, then according to the (heat-insulating layer) thickness requirement of a skin, a plurality of layers of glass fiber cloth 3 are calculated to be laid, and then a metal net layer 5 is clamped between each layer of glass fiber cloth 3, so that on the one hand, a structure strengthening effect is achieved; on the other hand, the barbs on the metal net layer 5 penetrate through the repair layer 4 and enter the glass fiber cloth 3, so that the glass fiber cloth 3 is anchored, and the glass fiber cloth 3 is combined more tightly and firmly under the adhesion of glue. The refrigerator skin produced by the method can adhere multiple layers of glass fiber cloth more tightly, even if the glue is invalid or poor due to the influence of internal cooling and external heating environments with extremely large temperature difference, the multiple layers of glass fiber cloth cannot be easily separated or loosened, and the heat preservation and insulation effects of the skin are ensured; in addition, the glass fiber cloth of the outermost layer can generate a connection relation with the soft insulation board except for adhesion, so that the firmness of each layer of the skin of the refrigerator is further improved, and the insulation effect is improved.
Embodiment two:
in this embodiment, as shown in fig. 2, 3 and 4, a refrigerator skin molding apparatus having a plurality of layers of glass fibers, the molding apparatus includes:
the discharge ends of the two semi-finished product processing devices are oppositely arranged;
the metal net unreeling device 6 is positioned above the discharge end of the two semi-finished product processing devices, and the metal net unreeling device 6 is positioned above the discharge end of the two semi-finished product processing devices;
and the counter roller 7 is positioned below the discharge end of the two semi-finished product processing devices.
The semi-finished product processing device comprises a conveying device 8, and a glass fiber reinforced plastic plate unreeling device 9, a first glue rolling device 10, a soft insulation plate unreeling device 11, a press roller 12, a second glue rolling device 13, a glass fiber cloth unreeling device 14, a needling machine 15, a prosthesis laying machine 16, a rolling roller 17 and a reversing roller 18 which are sequentially arranged on the conveying device 8 according to the advancing direction of materials.
The glass fiber reinforced plastic plate has certain folding endurance, the glass fiber reinforced plastic plate is generally put into factories in a roll form, the glass fiber reinforced plastic plate unreeling device 9 is used for putting the glass fiber reinforced plastic plate on the conveying device 8, the conveying device 8 can be a belt conveyor, the first glue rolling device 10 is used for gluing the glass fiber reinforced plastic plate (usually in a glue rolling mode), the soft heat insulation plate unreeling device 11 is put on the glass fiber reinforced plastic plate, the pressing roller 12 is used for extrusion bonding, then the second glue rolling device 13 is used for gluing the soft heat insulation plate, the glass fiber cloth unreeling device 14 is used for putting the glass fiber cloth on the soft heat insulation plate, the needle punch 15 is used for penetrating part of fibers of the glass fiber cloth into the soft heat insulation plate, when the needle punch 15 is used for penetrating, a cross rod is arranged at two ends (feeding and discharging ends) of the needle punch 15, the glass fiber cloth is prevented from being lifted, the repairing material laying machine 16 is used for repairing the pits left after the needle punch, the semi-finished products are rolled down by using the flat roller 17, the semi-finished products are obtained under the action of the reversing roller 18, the directions of the two semi-finished products are carried out, the two semi-finished products are rolled down, the two metal net unreeling devices 6 are continuously used for rolling the two semi-finished products, and the two metal net semi-finished products are continuously pressed together, and the two metal net semi-finished products are continuously pressed into a drying device (after the two metal net frames are pressed together, and a skin is continuously pressed, and a skin is obtained, and a skin is continuously pressed). And the materials are fed to be discharged, the turnover is not needed, the one-step molding is realized, the processing speed is high, and the quality is controllable.
Preferably (refer to fig. 3): the needling machine 15 comprises a cross plate 151, an air cylinder 152, a needle plate 153 and a filter plate 154, wherein the cross plate 151 and the filter plate 154 are both arranged on the conveying device 8, the air cylinder 152 is vertically downwards arranged on the cross plate 151, the needle plate 153 is arranged at the output end of the air cylinder 152, the needle plate 153 and the filter plate 154 are correspondingly arranged, and pinholes matched with the needle plate 153 are arranged on the filter plate 154.
The air cylinder 152 drives the needle plate 153 to move along the vertical direction under the limit (shown in fig. 3 but not labeled) of the guide rod, and the fine needles on the needle plate 153 penetrate part of the glass fibers into the soft insulation board, so that part of the glass fibers are left in the puncture holes under the contraction effect of the material of the soft insulation board.
Preferably (refer to fig. 4): the prosthesis laying machine 16 comprises an insulation box 161, a stirrer 162, a discharging nozzle 163 and a baffle plate 164, wherein the insulation box 161 is arranged on the conveying device 8, the stirrer 162 is arranged on the insulation box 161, the stirring end of the stirrer 162 is positioned in the insulation box 161, the discharging nozzle 163 is arranged at the bottom discharging hole of the insulation box 161, the plurality of baffle plates 164 are vertically arranged at the bottom of the insulation box 161, and the baffle plate 164 is positioned at the discharging end of the discharging nozzle 163.
The stirrer 162 is used for uniformly mixing broken glass fibers and glue, the discharging nozzle 163 can lay the prosthesis on glass fiber cloth with equal width, and the baffle 164 achieves the effect of spreading the prosthesis
Although the present invention has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present invention.
Claims (9)
1. A manufacturing method of a refrigerator skin with multiple layers of glass fibers is characterized in that: the method comprises the following steps:
s1, glue is rolled on one surface of a glass fiber reinforced plastic plate, and a blank-free gel coat layer is formed;
s2, paving a layer of soft heat-insulating plate on the gel coat layer of the glass fiber reinforced plastic plate, and rolling at least once;
s3, glue is rolled on one surface of the soft heat-insulating plate, and a blank-free gel coat layer is formed;
s4, spreading a layer of glass fiber cloth on the gel coat layer of the soft heat-insulating plate, and penetrating part of glass fibers into the soft heat-insulating plate in a needling mode;
s5, paving a layer of broken glass fiber and glue prostheses on the glass fiber cloth, and rolling the prostheses to obtain a semi-finished product;
s6, paving a layer of metal net on the glass fiber surface of a semi-finished product, wherein barbs are arranged on two surfaces of the metal net;
s7, paving the glass fiber surface of the other semi-finished product on a metal net, and rolling at least once to obtain a finished skin;
and S8, drying and shaping the finished skin, and warehousing.
2. The method for manufacturing a refrigerator skin with multiple layers of glass fibers according to claim 1, wherein the method comprises the following steps: and S5, the ratio of the glue in the prosthesis to the broken glass fiber is 1:1.5-3.5.
3. The method for manufacturing a refrigerator skin with multiple layers of glass fibers according to claim 1, wherein the method comprises the following steps: the soft heat-insulating board is made of rubber and plastic heat-insulating materials.
4. The method for manufacturing a refrigerator skin with multiple layers of glass fibers according to claim 1, wherein the method comprises the following steps: the height of the barbs of the metal net is not more than half of the thickness of the glass fiber cloth.
5. A refrigerator skin having a plurality of layers of fiberglass, the refrigerator skin comprising:
a glass fiber reinforced plastic plate (1);
the soft heat preservation plates (2), the two soft heat preservation plates (2) are respectively glued on the surfaces of the two glass fiber reinforced plastic plates (1); the glass fiber cloth (3) is respectively glued on the surfaces of the two soft heat-insulation plates (2), and part of the glass fiber cloth (3) is positioned in the soft heat-insulation plates (2);
the two repairing layers (4) are respectively paved on the two glass fiber cloths (3);
the metal net layers (5), the metal net layers (5) are located between the two repairing layers (4), and barbs on the metal net layers (5) penetrate through the repairing layers (4) and are located in the glass fiber cloth (3).
6. A refrigerator skin forming apparatus having a plurality of layers of glass fibers, the forming apparatus comprising:
the discharge ends of the two semi-finished product processing devices are oppositely arranged;
the metal net unreeling device (6), and the metal net unreeling device (6) is positioned above the discharge end of the two semi-finished product processing devices;
a pair of rollers (7); the pair of rollers is positioned below the discharge end of the two semi-finished product processing devices.
7. A refrigerated case skin forming apparatus having a plurality of layers of glass fibers as set forth in claim 6 wherein: the semi-finished product processing device comprises a conveying device (8) and a glass fiber reinforced plastic plate unreeling device (9), a glue rolling device (10), a soft heat-insulating plate unreeling device (11), a press roller (12), a two-channel glue rolling device (13), a glass fiber cloth unreeling device (14), a needling machine (15), a prosthesis laying machine (16), a rolling roller (17) and a reversing roller (18) which are sequentially arranged on the conveying device (8) according to the advancing direction of materials.
8. A refrigerated case skin forming apparatus having a plurality of layers of glass fibers as set forth in claim 7 wherein: the needling machine (15) comprises a transverse plate (151), an air cylinder (152), a needle plate (153) and a filter plate (154), wherein the transverse plate (151) and the filter plate (154) are both installed on the conveying device (8), the air cylinder (152) is vertically installed downwards on the transverse plate (151), the needle plate (153) is installed at the output end of the air cylinder (152), the needle plate (153) and the filter plate (154) are correspondingly arranged, and pinholes matched with the needle plate (153) are formed in the filter plate (154).
9. A refrigerated case skin forming apparatus having a plurality of layers of glass fibers as set forth in claim 7 wherein: the repair thing paver (16) comprises an insulation box (161), a stirrer (162), a discharging nozzle (163) and a baffle plate (164), wherein the insulation box (161) is installed on the conveying device (8), the stirrer (162) is installed on the insulation box (161), the stirring end of the stirrer (162) is located in the insulation box (161), the discharging nozzle (163) is installed at the bottom discharging hole of the insulation box (161), the baffle plates (164) are vertically installed at the bottom of the insulation box (161), and the baffle plate (164) is located at the discharging end of the discharging nozzle (163).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310634617.8A CN116674225A (en) | 2023-05-31 | 2023-05-31 | Refrigerator skin with multiple layers of glass fibers, manufacturing method thereof and forming equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310634617.8A CN116674225A (en) | 2023-05-31 | 2023-05-31 | Refrigerator skin with multiple layers of glass fibers, manufacturing method thereof and forming equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116674225A true CN116674225A (en) | 2023-09-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310634617.8A Pending CN116674225A (en) | 2023-05-31 | 2023-05-31 | Refrigerator skin with multiple layers of glass fibers, manufacturing method thereof and forming equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116674225A (en) |
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2023
- 2023-05-31 CN CN202310634617.8A patent/CN116674225A/en active Pending
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