CN115383957A

CN115383957A - Heat-insulating layer of heat-insulating compartment plate and manufacturing method thereof

Info

Publication number: CN115383957A
Application number: CN202210907449.0A
Authority: CN
Inventors: 段慧禹; 黄志�; 邱盼
Original assignee: Sany Special Vehicle Co Ltd
Current assignee: Sany Special Vehicle Co Ltd
Priority date: 2022-07-29
Filing date: 2022-07-29
Publication date: 2022-11-25
Anticipated expiration: 2042-07-29
Also published as: CN115383957B

Abstract

The application relates to the technical field of manufacturing of heat-insulation carriage plates, and particularly provides a heat-insulation layer of a heat-insulation carriage plate and a manufacturing method of the heat-insulation carriage plate. The method comprises the following steps: preparing a substrate supporting structure on the bottom die; spraying unsaturated polyester resin and glass fiber in the substrate supporting structure to form a resin layer mixed with the glass fiber; preparing an XPS board on the resin layer in the base support structure; and carrying out die assembly, hot pressing and demolding on the plurality of structural layers to form the heat-insulating layer. This application can make the heat preservation that is used for heat preservation railway carriage or compartment board, unsaturated polyester resin can improve the intensity and the toughness of heat preservation, and glass fiber can improve unsaturated polyester resin's intensity and toughness, and the XPS board can provide good heat preservation effect and reduce material cost simultaneously, through compound die, hot pressing and drawing of patterns process at last, bonds each structural layer each other to make a heat preservation that the heat insulating ability is good, intensity is high, toughness is strong.

Description

Heat-insulating layer of heat-insulating compartment plate and manufacturing method thereof

Technical Field

The application relates to the technical field of manufacturing of heat-insulation carriage plates, in particular to a heat-insulation layer of a heat-insulation carriage plate and a manufacturing method thereof.

Background

The refrigerator car is used as a special vehicle for road transportation, is widely applied to the transportation of goods such as vaccines, vegetables, meat and the like, is listed as a national strategic level in the cold chain industry in recent years, improves the quality of refrigerator car products, and expands the manufacturing process route of the refrigerator car carriage plate to become the research and development focus of various refrigerator car manufacturers. The XPS board (also called as an extruded polystyrene foam plastic board for heat insulation in the field) is used as a heat insulation material commonly used in the industry, the XPS board is manufactured into a heat insulation board, the reliability problem often occurs, and a part of cold chain logistics enterprises mark low-end product labels. Therefore, how to manufacture a high-reliability insulating layer for an insulating compartment plate by using the XPS plate is a technical problem to be solved in the field.

Disclosure of Invention

In view of this, the application provides an insulating layer of an insulating compartment plate and a manufacturing method thereof, and solves the problems of the existing insulating layer of the insulating compartment plate and the manufacturing method thereof.

In a first aspect, the present application provides a method for manufacturing an insulation layer of an insulation compartment plate, including: preparing a substrate supporting structure on the bottom die; spraying unsaturated polyester resin and glass fibers in the substrate supporting structure to form a resin layer mixed with the glass fibers; preparing an XPS board on the resin layer in the base support structure; and carrying out die assembly, hot pressing and demolding procedures on the base film, the base supporting structure and the resin layer prepared in the base supporting structure and the XPS board to form the heat insulation layer.

This aspect can make the heat preservation of a neotype heat preservation railway carriage or compartment board when using, and the basement bearing structure in this heat preservation can provide structural support, and unsaturated polyester resin can improve the intensity and the toughness of heat preservation, and glass fiber can improve unsaturated polyester resin's intensity and toughness, and the XPS board can provide good heat preservation effect and reduce material cost simultaneously, and the plasticity of XPS board can be convenient for make the heat preservation of various shapes. Finally, the structural layers are bonded with each other through the processes of die assembly, hot pressing and demoulding, so that the heat-insulating layer with good heat-insulating property, high strength and strong toughness is manufactured.

With reference to the first aspect, in a possible implementation manner, before the preparing the substrate support structure on the bottom mold, the method further includes: building a cavity on the bottom die according to the shape and the size of the heat insulation layer to be manufactured; the preparing of the substrate support structure on the bottom mold includes: preparing the substrate support structure in the cavity.

With reference to the first aspect, in one possible implementation manner, the preparing the substrate support structure in the cavity includes: spraying gel coat on the surface of the bottom die in the cavity limiting area in a reciprocating manner to form a gel coat coating with uniform thickness; and drying and curing the gel coat.

With reference to the first aspect, in a possible implementation manner, the preparing the substrate support structure on the bottom mold further includes: and paving a glass fiber fabric on the gel coat coating to form a glass fiber layer.

With reference to the first aspect, in one possible implementation manner, the spraying unsaturated polyester resin and glass fibers into the substrate support structure to form a resin layer mixed with the glass fibers includes: pumping the unsaturated polyester resin into a resin stock tank, wherein the unsaturated polyester resin is of a styrene-free type; adding an accelerant into the resin stock tank and stirring to obtain a resin mixture; adding the resin mixture to a feed tank; adjusting the temperature in the feeding tank to a preset temperature; and spraying the resin mixture in the supply tank back and forth in the substrate support structure to form the resin layer of uniform thickness.

With reference to the first aspect, in one possible implementation manner, the spraying unsaturated polyester resin and glass fiber on the substrate support structure further includes: cutting the glass fiber into roving; uniformly spraying the roving on the resin layer to form a resin layer mixed with the roving; or synchronously spraying the rovings while spraying the resin mixture in a reciprocating manner to form a resin layer mixed with the rovings.

With reference to the first aspect, in one possible implementation manner, the loading the XPS board into the substrate support structure comprises: processing a plurality of XPS boards according to the shape and the size of the heat-insulating layer to be manufactured; machining an embedded part reserved groove on one or more XPS boards; bonding the embedded part in the embedded part reserved groove; loading a plurality of the XPS boards into the substrate support structure; and connecting adjacent XPS boards using a fiberglass fabric.

With reference to the first aspect, in one possible implementation manner, the performing mold closing, hot pressing, and mold releasing processes on the base film, the base support structure, and the resin layer and the XPS board prepared in the base support structure to form the insulating layer includes: transferring the base film, a base support structure, and the resin layer and the XPS board prepared in the base support structure together to a clamping station; attaching a cover mold to the bottom mold to complete mold assembly; transferring the die after die assembly to a hot press for pressure maintaining and curing according to the set temperature and pressure; and taking down the bottom die and the cover film of the die after pressure maintaining and curing.

In a second aspect, the present application provides a thermal insulation layer of a thermal insulation compartment plate, comprising: a base structure; an unsaturated polyester resin layer intermingled with glass fibers, said unsaturated polyester resin layer being bonded to said base structure; and a plurality of XPS boards adhered to the unsaturated polyester resin layer.

The second aspect is a finished product manufactured by the first aspect, and the technical effect of the second aspect is not described herein again.

With reference to the second aspect, in one possible implementation manner, the base structure includes: coating the gel coat; the glass fiber layer is bonded between the gel coat layer and the unsaturated polyester resin layer; wherein adjacent XPS boards are connected by using a glass fiber fabric.

In a third aspect, the present application provides a vehicle comprising: a vehicle body; the heat preservation compartment plate is arranged on the vehicle body; and the heat-insulating layer of the heat-insulating compartment plate is arranged in the heat-insulating compartment plate.

The third aspect includes the second aspect, and the technical effects of the third aspect are not described herein.

Drawings

Fig. 1 is a schematic view illustrating steps of a method for manufacturing an insulation layer of an insulation compartment plate according to an embodiment of the present application.

Fig. 2 is a schematic view illustrating steps of a method for manufacturing an insulation layer of an insulation compartment plate according to another embodiment of the present disclosure.

Fig. 3 is a schematic view illustrating steps of a method for manufacturing an insulation layer of an insulation compartment panel according to another embodiment of the present disclosure.

Fig. 4 is a schematic view illustrating steps of a method for manufacturing an insulation layer of an insulation compartment panel according to another embodiment of the present disclosure.

Fig. 5 is a schematic view showing steps of a method for manufacturing an insulation layer of an insulation compartment plate according to another embodiment of the present disclosure.

Fig. 6 is a schematic view illustrating steps of a method for manufacturing an insulation layer of an insulation compartment panel according to another embodiment of the present disclosure.

Fig. 7 is a schematic view illustrating steps of a method for manufacturing an insulation layer of an insulation compartment panel according to another embodiment of the present disclosure.

Fig. 8 is a schematic view illustrating steps of a method for manufacturing an insulation layer of an insulation compartment panel according to another embodiment of the present disclosure.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Method for manufacturing heat insulation layer of exemplary heat insulation compartment plate

Fig. 1 is a schematic diagram illustrating steps of a method for manufacturing an insulation layer of an insulation compartment plate according to an embodiment of the present disclosure. The application provides a method for manufacturing an insulating layer of an insulating compartment plate, in an embodiment, as shown in fig. 1, the method includes:

step 110, preparing a substrate support structure on the bottom mold.

In this step, the basement bearing structure provides certain structural support effect for the heat preservation to other structural layers to the heat preservation provide certain guard action.

Step 210, spraying unsaturated polyester resin and glass fiber in the substrate support structure to form a resin layer mixed with glass fiber.

In this step, the unsaturated polyester resin can further provide structural support for the insulating layer to improve the reliability of the insulating layer. And the unsaturated polyester resin also has certain toughness, so that the heat-insulating layer can not be damaged under deformation in a certain range. Glass fiber is mixed in the unsaturated polyester resin, so that the strength and toughness of the unsaturated polyester resin can be effectively improved, and the reliability of the insulating layer is further improved.

Step 310 prepares the XPS board on the resin layer in the base support structure.

In the step, an XPS plate (also called as an extruded polystyrene foam plastic plate for heat insulation in the field) is added into the heat insulation layer, and the XPS plate provides a heat insulation effect, so that the material has a good heat insulation effect and is low in cost. In addition, the XPS board has good plasticity and can be cut arbitrarily according to the shape of the insulating layer.

And step 410, carrying out mold closing, hot pressing and demolding on the base film, the base supporting structure, the resin layer prepared in the base supporting structure and the XPS plate to form the heat insulation layer.

After the previous steps are completed, the processes of mold closing, hot pressing, and mold releasing, which are common in the art, are performed, thereby bonding the base support structure, the unsaturated polyester resin, the glass fiber, and the XPS board to each other.

This embodiment can make a novel heat preservation of heat preservation railway carriage or compartment board when using, and basement bearing structure in this heat preservation can provide structural support, and unsaturated polyester resin can improve the intensity and the toughness of heat preservation, and glass fiber can improve unsaturated polyester resin's intensity and toughness. The XPS board can provide good insulation effect and reduce material cost at the same time, and the plasticity of the XPS board can facilitate the manufacture of insulation layers of various shapes. The substrate support structure and the unsaturated polyester resin together provide sufficient auxiliary support for the XPS board and enable good adhesion with each other, improving the reliability of the XPS board. Finally, the structural layers are bonded with each other through the processes of die assembly, hot pressing and demoulding, so that the heat-insulating layer with good heat-insulating property, high strength and strong toughness is manufactured.

Fig. 2 is a schematic view illustrating steps of a method for manufacturing an insulation layer of an insulation compartment plate according to another embodiment of the present disclosure. In an embodiment, as shown in fig. 2, before step 110, the method for manufacturing the insulation layer of the insulation compartment plate further includes:

step 101, building a cavity on a bottom die according to the shape and the size of the heat insulation layer to be manufactured.

In the step, after the die cavity is built, the die cavity can be firmly supported by using supporting pieces such as cushion blocks and the like, so that the shape and the size of the die cavity are prevented from changing.

Step 110 comprises:

step 111, preparing a substrate support structure in the cavity.

In this embodiment, the cavity is built according to the size of the required compartment plate, and the shapes and sizes of the unsaturated polyester resin and the XPS board in the subsequent steps can be defined, that is, the unsaturated polyester resin and the XPS board are required to be sprayed and arranged in the range defined by the cavity. When the cavity is built, a measuring tape or an infrared distance meter is used for measuring to control the precision, and the cavity is ensured to meet the process size requirement.

Fig. 3 is a schematic view illustrating steps of a method for manufacturing an insulation layer of an insulation compartment panel according to another embodiment of the present disclosure. In one embodiment, as shown in fig. 3, step 111 comprises:

and 112, spraying gel coat to the surface of the bottom die in the cavity limiting area in a reciprocating mode to form a gel coat layer with uniform thickness.

And 113, drying and curing the gel coat.

In this embodiment, the gel coat layer may provide waterproof protection, ultraviolet protection, and anti-aging protection functions for the unsaturated polyester resin.

Specifically, the gel coat is made of m-benzene gel coats (with the color numbers RAL 9003 and RAL 7042), then the mechanical arm sucks the gel coat, the gel coat is sprayed on the bottom die in a reciprocating mode at a certain speed, an even gel coat coating is formed on the surface of the die, and the even gel coat coating can achieve better waterproof protection effect, ultraviolet resistance protection effect and ageing resistance protection effect. In step 112, the bottom mold coated with the gel coat layer may be transferred to a drying tunnel, and the temperature is set according to the type of the selected gel coat, so that the gel coat is rapidly and fully cured, and generally, the temperature of the drying tunnel may be set to about 120 °.

Fig. 4 is a schematic view illustrating steps of a method for manufacturing an insulation layer of an insulation compartment panel according to another embodiment of the present disclosure. In one embodiment, as shown in fig. 4, step 110 further comprises:

and step 114, paving a glass fiber fabric on the gel coat coating to form a glass fiber layer.

In this embodiment, the glass fiber fabric is laid on the gel coat, and the glass fiber laying trolley can be used to lay the glass fiber fabric on the gel coat. The glass fiber layer can improve the toughness and strength of the gel coat coating, so that the gel coat coating is not easy to crack and damage.

Fig. 5 is a schematic view illustrating steps of a method for manufacturing an insulation layer of an insulation compartment panel according to another embodiment of the present disclosure. In one embodiment, as shown in FIG. 5, step 210 comprises:

and step 211, pumping the unsaturated polyester resin into a resin stock tank, wherein the unsaturated polyester resin is styrene-free.

In this step, the styrene-free type unsaturated polyester resin may be automatically pumped by using a diaphragm pump and transferred to a resin stock tank.

Step 212, adding an accelerator into the resin stock tank and stirring to obtain a resin mixture.

In the step, after adding a proper amount of accelerator into a resin stock tank, stirring the mixture until the mixture is uniform to obtain a resin mixture.

Step 213, add the resin mixture to the feed tank.

Step 214, adjusting the tank temperature of the supply tank to a predetermined temperature.

In this step, the temperature in the tank needs to be adjusted in combination with the current ambient temperature to meet the process demand temperature, and the proper constant temperature in the tank can keep the resin mixture in the feed tank at a certain fluidity.

Step 215, the resin mixture in the supply tank is sprayed back and forth within the substrate support structure to form a resin layer of uniform thickness.

In this step, a resin layer of uniform thickness is formed on the substrate support structure by a reciprocating spray method.

Fig. 6 is a schematic view showing steps of a method for manufacturing an insulation layer of an insulation compartment plate according to another embodiment of the present disclosure. In one embodiment, as shown in fig. 6, step 210 further comprises:

and step 216, cutting the glass fibers into roving.

In this step, the process of cutting the glass fiber into roving may use a manufacturing process of glass fiber in the prior art. For example, prepare glass fiber earlier and then cut for the roving, transport the roving to the shower nozzle of manipulator, use the shower nozzle to spout the roving.

After step 216, step 217 may be performed to uniformly spray the roving onto the resin layer to form a resin layer intermixed with the roving.

After step 216, step 218 may be performed, simultaneously spraying the rovings while reciprocating the resin mixture to form a resin layer intermixed with the rovings.

In this embodiment, mix the roving in the resin layer, can improve the intensity of resin layer, the resin layer of higher strength can protect the XPS board better. Specifically, after the glass fiber is obtained, the spraying gun head on the manipulator sucks the roving and sprays the roving on the resin layer in an airflow blowing-off mode, and step 217 is carried out by spraying the roving after the resin layer is sprayed, so that the spraying process is more convenient and faster. The method of spraying the rovings at the same time as the resin layer is sprayed, step 218, may enable the rovings to be mixed more deeply into the inside of the resin layer. The track of the sprayed roving can adopt various tracks, for example, a grid scanning type spraying track, reciprocating spraying and the like can be adopted, and the roving can be uniformly sprayed on the resin layer.

Fig. 7 is a schematic view showing steps of a method for manufacturing an insulation layer of an insulation compartment plate according to another embodiment of the present disclosure. In one embodiment, as shown in FIG. 7, step 310 includes:

and 311, processing a plurality of XPS boards according to the shape and the size of the heat insulation layer required to be manufactured.

Step 312, machining a buried part pre-groove on one or more XPS boards.

In the step, according to the shape, the size and the layout of the pre-designed heat insulation layer, an embedded part preformed groove is processed on the XPS plate and used for installing embedded parts such as bolts and nuts. Specifically, the embedded part can be bonded in the embedded part reserved groove by using structural adhesive.

And 313, bonding the embedded part in the embedded part reserved groove.

In this step, the embedded part can be bonded in the embedded part preformed groove by using the structural adhesive.

Step 314, loading a plurality of XPS boards into a substrate support structure.

Step 315, connecting adjacent XPS boards using fiberglass fabric.

In this step, through the fine fabric bonding connection adjacent XPS board of glass, can guarantee the bonding strength of adjacent XPS board, improve the intensity of adjacent XPS board shearing force direction for can not split between the different XPS boards.

Fig. 8 is a schematic method step view of a method for manufacturing an insulation layer of an insulation compartment plate according to another embodiment of the present disclosure. In one embodiment, as shown in FIG. 8, step 410 comprises:

step 411, the base film, the substrate support structure, and the resin layer and XPS board prepared in the substrate support structure are transferred together to a mold clamping station.

And step 412, attaching the cover mold to the bottom mold to complete mold closing.

In

steps

411 and 412, the mold after the above steps is transferred to a mold closing station, the cover mold is turned over by a mold turnover machine, and then the cover mold is attached to the bottom mold to complete mold closing.

And 413, transferring the die after die assembly to a hot press, and performing pressure maintaining curing according to the set temperature and pressure.

The step is a hot-pressing curing process, the hot press is heated to a set temperature in advance, the pressure of the hot press is set, the die obtained after die assembly is transferred into the hot press through a die pusher, and then hot-pressing curing is carried out. In general, the temperature of the hot press can be set in the range of 50 ° to 70 °.

And step 414, taking down the bottom die and the cover film of the die after pressure maintaining and curing.

In the step, the mould subjected to hot pressing and curing is transferred to a transition station, a cover mould is adsorbed by a mould turnover machine, after the cover mould is lifted, a bottom mould is transferred to a demoulding station, the frame of a cavity is removed, and the manufactured heat-insulating layer is taken out.

Insulation layer of exemplary insulation compartment plate

The application provides a heat preservation of heat preservation railway carriage or compartment board, and in one embodiment, this heat preservation includes basal structure, unsaturated polyester resin layer and a plurality of XPS board. The unsaturated polyester resin layer is mixed with glass fiber, and the unsaturated polyester resin layer is bonded on the substrate structure. A plurality of XPS boards were bonded to the unsaturated polyester resin layer.

In one embodiment, the base structure comprises a gel coat and a glass fiber layer, wherein the glass fiber layer is bonded between the gel coat and the unsaturated polyester resin layer. Wherein, adjacent XPS boards are connected by using a glass fiber fabric.

In this embodiment, the gel coat layer may provide waterproof protection, ultraviolet protection, and anti-aging protection functions for the unsaturated polyester resin. The glass fiber layer can improve the toughness and strength of the gel coat coating, so that the gel coat coating is not easy to crack and damage. The unsaturated polyester resin can further provide structural support for the heat-insulating layer so as to improve the reliability of the heat-insulating layer. And the unsaturated polyester resin also has certain toughness, so that the heat-insulating layer can not be damaged under deformation in a certain range. Glass fiber is mixed in the unsaturated polyester resin, so that the strength and toughness of the unsaturated polyester resin can be effectively improved, and the reliability of the insulating layer is further improved. The XPS board provides the heat preservation effect, and this material keeps warm effectually and low cost. In addition, the XPS board has good plasticity and can be cut arbitrarily according to the shape of the insulating layer. In this embodiment, through the fine fabric bonding connection adjacent XPS board of glass, can guarantee the bonding strength of adjacent XPS board, improve the intensity of adjacent XPS board shearing force direction for can not split between the different XPS boards.

Exemplary vehicle

The present application further provides a vehicle having a warm-keeping refrigerator compartment, the vehicle comprising: the vehicle body, the heat preservation railway carriage or compartment board and the heat preservation of aforementioned heat preservation railway carriage or compartment board. The heat preservation carriage plate is arranged on the vehicle body, and the heat preservation layer is arranged in the heat preservation Wen Xiangban. Because the vehicle comprises the heat-insulating layer, the technical effect of the vehicle is not described in detail herein.

The foregoing describes the general principles of the present application in conjunction with specific embodiments, however, it is noted that the advantages, effects, etc. mentioned in the present application are merely examples and are not limiting, and they should not be considered essential to the various embodiments of the present application. Furthermore, the foregoing disclosure of specific details is for the purpose of illustration and description and is not intended to be limiting, since the foregoing disclosure is not intended to be exhaustive or to limit the disclosure to the precise details disclosed.

The block diagrams of devices, apparatuses, devices, systems referred to in this application are only used as illustrative examples and are not intended to require or imply that they must be connected, arranged, or configured in the manner shown in the block diagrams. These devices, apparatuses, devices, systems may be connected, arranged, configured in any manner, as will be appreciated by those skilled in the art. Words such as "including," "comprising," "having," and the like are open-ended words that mean "including, but not limited to," and are used interchangeably therewith. As used herein, the words "or" and "refer to, and are used interchangeably with, the word" and/or, "unless the context clearly dictates otherwise. The word "such as" is used herein to mean, and is used interchangeably with, the phrase "such as but not limited to".

It should also be noted that in the apparatus and devices of the present application, the components may be disassembled and/or reassembled. These decompositions and/or recombinations are to be considered as equivalents of the present application.

The previous description of the disclosed aspects is provided to enable any person skilled in the art to make or use the present application. Various modifications to these aspects will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other aspects without departing from the scope of the application. Thus, the present application is not intended to be limited to the aspects shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modifications, equivalents and the like that are within the spirit and principle of the present application should be included in the scope of the present application.

Claims

1. A method for manufacturing an insulating layer of an insulating compartment plate is characterized by comprising the following steps:

preparing a substrate supporting structure on the bottom die;

spraying unsaturated polyester resin and glass fibers in the substrate supporting structure to form a resin layer mixed with the glass fibers;

preparing an XPS board on the resin layer in the base support structure; and

and carrying out die assembly, hot pressing and demolding procedures on the base film, the base supporting structure and the resin layer and the XPS plate which are prepared in the base supporting structure to form the heat-insulating layer.

2. The method of claim 1, wherein prior to preparing the base support structure on the bottom mold, the method further comprises:

building a cavity on the bottom die according to the shape and the size of the heat insulation layer to be manufactured;

the preparing of the substrate support structure on the bottom mold includes:

preparing the substrate support structure in the cavity.

3. The method of claim 2, wherein the preparing the base support structure in the cavity comprises:

spraying gel coat to the surface of the bottom die in the cavity limited area in a reciprocating manner to form a gel coat layer with uniform thickness; and

and drying and curing the gel coat.

4. The method of claim 3, wherein the step of forming the base support structure on the bottom mold further comprises:

and paving a glass fiber fabric on the gel coat coating to form a glass fiber layer.

5. The method for manufacturing an insulation layer of an insulation compartment plate according to any one of claims 1 to 4, wherein the step of spraying unsaturated polyester resin and glass fiber into the base support structure to form the resin layer mixed with the glass fiber comprises:

pumping the unsaturated polyester resin into a resin stock tank, wherein the unsaturated polyester resin is of a styrene-free type;

adding an accelerant into the resin stock tank and stirring to obtain a resin mixture;

adding the resin mixture to a feed tank;

adjusting the temperature in the feeding tank to a preset temperature; and

and spraying the resin mixture in the feeding tank into the substrate supporting structure in a reciprocating manner to form the resin layer with uniform thickness.

6. The method of claim 5, wherein the step of spraying the unsaturated polyester resin and the glass fibers onto the base support structure further comprises:

cutting the glass fiber into roving; and

uniformly spraying the roving on the resin layer to form a resin layer mixed with the roving;

or synchronously spraying the rovings while spraying the resin mixture in a reciprocating manner to form a resin layer mixed with the rovings.

7. The method of fabricating an insulation layer of an insulation compartment plate as claimed in any of claims 1 to 4, wherein the installing the XPS plate into the base support structure comprises:

processing a plurality of XPS boards according to the shape and the size of the heat-insulating layer to be manufactured;

machining an embedded part reserved groove on one or more XPS boards;

bonding the embedded part in the embedded part reserved groove;

loading a plurality of the XPS boards into the substrate support structure; and

connecting adjacent XPS boards using a fiberglass fabric.

8. The method of claim 1, wherein the steps of closing, hot pressing, and demolding the base film, the base support structure, and the resin layer and the XPS board prepared in the base support structure to form the insulation layer comprise:

transferring the base film, a base support structure, and the resin layer and the XPS board prepared in the base support structure together to a clamping station;

attaching a cover mold to the bottom mold to complete mold assembly;

transferring the die after die assembly to a hot press for pressure maintaining and curing according to the set temperature and pressure; and

and taking down the bottom die and the cover film of the die after pressure maintaining and curing.

9. The utility model provides a heat preservation of heat preservation railway carriage or compartment board which characterized in that includes:

a base structure;

an unsaturated polyester resin layer intermingled with glass fibers, said unsaturated polyester resin layer being bonded to said base structure; and

a plurality of XPS boards bonded to the unsaturated polyester resin layer.

10. The insulation layer of an insulation panel as claimed in claim 9,

the base structure includes:

coating the gel coat; and

the glass fiber layer is bonded between the gel coat coating and the unsaturated polyester resin layer;

wherein adjacent XPS boards are connected by using a glass fiber fabric.

11. A vehicle, characterized by comprising:

a vehicle body;

the heat preservation compartment plate is arranged on the vehicle body; and

the insulating layer of the insulating compartment panel of claim 9 or 10, wherein the insulating layer is disposed in the insulating compartment panel.