WO2021238237A1

WO2021238237A1 - Thermally insulating box body manufacturing method and thermally insulating box body

Info

Publication number: WO2021238237A1
Application number: PCT/CN2021/072522
Authority: WO
Inventors: 刘天亮; 黄屹峰; 王友家; 袁忠月; 张迪
Original assignee: 山东安冷新材料科技有限公司
Priority date: 2020-05-26
Filing date: 2021-01-18
Publication date: 2021-12-02
Also published as: CN111688244A

Abstract

Disclosed is a thermally insulating box body manufacturing method, comprising the steps of preparing joining profiles and connectors, cutting, joining a box body lining, foaming for the first time, joining a box body housing, and foaming for the second time. Also disclosed is a thermally insulating box body manufactured by employing the thermally insulating box body manufacturing method. With the thermally insulating box body manufacturing method and the thermally insulating box body provided in the present invention, a thermally insulating box provides excellent thermal insulation effects and excellent impact resistance, costs for personalized customization of different sizes are inexpensive, and, the manufacturing method is simple and efficient.

Description

Method for manufacturing heat preservation box body and heat preservation box body

Technical field

The present invention relates to the technical field of incubators, in particular to a method for manufacturing a thermal insulation box and a thermal insulation box.

Background technique

With the rapid development of cold chain logistics, the demand for various types of incubators is increasing, and the quality requirements for incubators are also getting higher and higher. However, the thermal insulation performance of conventional incubators has been difficult to meet the high requirements for the storage and transportation of cold chain commodities, especially medical products. Therefore, vacuum insulation panels have been used in the field of incubators because of their advantages over the thermal insulation performance of conventional thermal insulation materials. . But its application and preparation technology is not very mature at present, mainly in the following forms:

First, the vacuum insulation board is directly attached to the inside of other incubator boxes. The advantages of this method are simple process, high production efficiency, and basically no additional preparation cost. However, there are also vacuum insulation boards that are easily damaged and the integrity of the box is not Good, poor user experience and other defects;

The second is to prepare a composite board from the vacuum insulation board and polyurethane, and then splice the composite board into a box. This method has the advantages of relatively simple preparation process, high production efficiency of the box, and low investment, but the overall strength of the box is low, and the sealing performance is poor. , Poor designability;

The third is to place the vacuum insulation board in the interlayer of the plastic box assembly, and then perform a foam molding. This method has the advantages of simple process, beautiful appearance and good integrity of the box, but the cost of the mold is high, and the vacuum board is only Polyurethane foam can be single-sided, but there is still a risk of damage, and it is difficult to meet the needs of customization.

Summary of the invention

The invention aims to provide a method for manufacturing a heat preservation box body and a heat preservation box body. The heat preservation box has good heat preservation effect, good impact resistance, low cost for individual customization of different sizes, and a simple and efficient manufacturing method.

In order to achieve the above objectives, the technical solutions adopted by the present invention are as follows:

The manufacturing method of the thermal insulation box body disclosed in the present invention includes the following steps:

Prepare splicing profiles and connectors: prepare inner wall panels, outer wall panels, vacuum insulation panels, outer box splicing ribs, inner box splicing ribs, box top connecting ribs, top connecting pieces, bottom inner connecting pieces, and bottom outer connecting pieces;

Cutting: According to the size of the incubator to be made, cut the inner wall panel, outer wall panel, outer box splicing edge, inner box splicing edge, and box top connecting edge to cut out the inner wall panel and outer wall panel of the required size , Outer box splicing edge, inner box splicing edge and box top connecting edge;

Splicing the inner tank of the box: splicing the inner wall panel, the splicing edge of the inner box and the connecting edge of the box top formed in the cutting step with the inner connecting piece of the bottom to form the inner tank of the box, and the The vacuum insulation panel is arranged on the outer side of the box inner bladder and inserted into the slot on the connecting edge of the box top, so that a first foaming cavity is formed between the vacuum insulation panel and the box inner bladder;

First foaming: performing the first foaming in the first foaming cavity, so that a first foaming layer is formed in the first foaming cavity;

Box shell splicing: After the first foaming is completed, the outer wall panel, the outer box splicing edge, the bottom outer connecting piece and the box top connecting edge are spliced to form a box shell, and the outer wall panel is provided with Inserting into the slot on the connecting edge of the outer side of the vacuum insulation board and the top of the box, forming a second foaming cavity between the inner wall of the box body shell and the vacuum insulation board;

The second foaming: performing a second foaming in the second foaming cavity, so that the second foaming cavity forms a second foaming layer, and completing the manufacture of the heat preservation box.

The beneficial effects of the present invention are: according to the size we need to customize, suitable inner wall panels, outer wall panels, vacuum insulation panels, outer box splicing ribs, inner box splicing ribs and box top connecting ribs can be cut and formed by splicing and foaming. The box body can be customized for the length, width and height of the box body. The cost of personalized customization is low. There is no need to customize the box body forming mold or the molds of different sizes of plates and profiles. The manufacturing method is simple, efficient, and has a thermal insulation structure. Composed of two foam layers and a layer of vacuum insulation board, the incubator has a good insulation effect, and the inside and outside of the box have inner wall panels and outer wall panels, which have good impact resistance.

Further, in the step of splicing the inner bladder of the box, two adjacent inner wall panels are plug-connected through the inner box splicing edge, and the corners of the three adjacent inner wall panels pass through the bottom The inner connecting piece is plug-connected, the bottom of the box top connecting rib is plug-connected with the top of the inner wall panel as the side wall of the box inner bladder, and the top connecting piece is connected to the box top connecting rib respectively The end of the inner box and the top of the splicing edge of the inner box are plug-connected, and the top of the vacuum insulation board located on the outer side of the inner tank side of the box is inserted into the slot on the connecting edge of the box top, Connect the vacuum insulation board located at the bottom of the inner tank of the box to the bottom of the vacuum insulation board located outside the side of the inner tank, and the inner wall of the vacuum insulation board is connected to the outer wall of the inner wall panel The first foaming cavity is formed therebetween.

The beneficial effect of adopting the above-mentioned further solution is that the box body can be spliced by inserting, and the splicing components of the required size can be intercepted according to the needs, and the box body of different sizes can be formed by splicing, without the need for additional development and customization of the box body. Bile molding die. The customization cost is low, the manufacturing method is simple, the splicing efficiency is high, and the box has good impact resistance.

Further, in the splicing step of the box body shell, two adjacent outer wall panels are plug-connected through the outer box splicing edge, and the corners of the three adjacent outer wall panels pass through the outer side of the bottom The connecting piece is plug-connected, the bottom of the box top connecting edge is plug-connected to the top of the outer wall panel as the side wall of the box body shell, and the top of the outer box splicing edge is inserted into the top connecting piece. Connected, the outer wall panel is arranged outside the vacuum insulation panel and the second foaming cavity is formed between the outer wall panel and the vacuum insulation panel.

The beneficial effect of adopting the above-mentioned further solution is: the box shell is spliced by plugging, the splicing components of the required size can be intercepted according to the needs, and the box shells of different sizes are formed by splicing, without the need for additional development of customized box shell molding Mold. The customization cost is low, the manufacturing method is simple, the splicing efficiency is high, and the box has good impact resistance.

Further, the specific steps of the two foaming process of the present invention are:

The first foaming: the vacuum insulation panels are spliced to form a vacuum insulation layer wrapped around the inside of the box, and the vacuum insulation layer is spliced and fixed on the outside of the inside of the box to form the After the first foaming cavity, the first foaming is performed in the first foaming cavity, and after the first foaming is completed, the outer wall panel, the outer box splicing edge, and the bottom outer connector Splicing with the connecting ribs of the top of the box to form a box shell and fixed on the outside of the vacuum insulation layer;

The second foaming: after the box shell is spliced and fixed on the outside of the vacuum insulation layer to form the second foaming cavity, the second foaming is performed in the second foaming cavity.

The beneficial effect of adopting the above-mentioned further scheme is that through secondary foaming, a vacuum insulation layer with a foamed layer-vacuum insulation board-foamed layer sandwich insulation structure is formed between the inner box body and the box body shell. A foaming layer clamps the vacuum insulation board in the middle. Compared with the single-layer foaming structure in the prior art, the vacuum insulation insulation layer made by the secondary foaming process has the advantages of better insulation effect and high strength. At the same time, the foaming layer located on both sides of the vacuum insulation board can protect the vacuum insulation board, avoiding the damage of the vacuum insulation board during the production process and the use process, and the quality of the cabinet is more stable by adopting the secondary foaming process. , The overall strength of the box is high, and the heat preservation performance is good.

Further, both the first foaming step and the second foaming step adopt an integral foaming process.

The beneficial effects of adopting the above-mentioned further solution are: the process is simple, the foaming adhesion time is not limited, the bonding effect is good, the overall strength after bonding is high, the filling of the gap is good, the foaming is uniform, and the box body has good insulation performance.

Further, in the first foaming step, foaming is performed through a first foaming mold, and the second foaming step is foamed through a second foaming mold.

The beneficial effects of adopting the above-mentioned further scheme are: with the help of molds, it is beneficial to industrialized production, and compared with manual operation, mold production has high product precision, low production cost, stable product quality and good heat preservation performance.

Further, the first foaming mold includes a mold seat and a mold cover, and the inner bladder of the box is spliced upside down on the mold seat, and then the vacuum insulation panel is connected to the corresponding box top The ribs are inserted and fixed, and a metered amount of polyurethane foam is injected into the first foaming cavity, and then the vacuum insulation board located at the bottom of the box inner bladder is covered on the outside of the box inner bladder Above the vacuum insulation board, cover the mold cover outside the vacuum insulation board and lock the bottom of the mold cover with the mold seat, so that the mold cover covers the vacuum insulation board And make the inner wall of the mold cover contact with the outer wall of the vacuum insulation board.

The beneficial effect of adopting the above-mentioned further solution is: the vacuum insulation board cover is fixed before the first foaming, which can avoid the damage of the vacuum insulation board caused by artificial squeezing of the vacuum insulation board, and protect the internal core material structure of the vacuum insulation board. Insulation, the mold cover is outside the vacuum thermal insulation layer and is in contact with the outer wall of the vacuum thermal insulation layer. The mold cover can support the vacuum thermal insulation layer during the first foaming, avoiding the pressure caused by the first foaming The vacuum thermal insulation layer is displaced or the vacuum thermal insulation layer is damaged. The vacuum insulation panel and the liner are tightly combined through foaming, so that the liner and the vacuum insulation panel form a complete whole, and the splicing seam and vacuum insulation of the liner are at the same time The splicing seams of the board are well filled.

Further, in the first foaming step, glue is injected into the first foaming cavity through the gap between the inner wall panel, the inner box splicing edge and the vacuum insulation panel.

The beneficial effect of adopting the above-mentioned further solution is that it is convenient to inject glue into the first foaming cavity during the first foaming, and the inner bladder of the box has a good sealing effect and good heat preservation performance after forming.

Further, the bottom outer connector is provided with a glue injection hole, which connects the second foaming cavity with the outside, and in the second foaming step, the glue injection hole is Glue is injected into the second foaming cavity to perform second foaming.

The beneficial effect of adopting the above-mentioned further solution is: in the second foaming, the glue is injected into the second foaming cavity through the glue hole, which is convenient for operation. After the box is formed, the foot pad can be set at the glue hole as a stacking fixation. point.

Further, the connecting edge of the box top is provided with a first slot, a second slot, and a third slot that are respectively adapted to the sides of the inner wall panel, the outer wall panel, and the vacuum insulation panel, so Both sides of the outer box splicing edge are provided with a fourth slot adapted to the side of the outer wall panel, and both sides of the inner box splicing edge have a fifth slot that is adapted to the side of the inner wall panel. A slot, the inner wall panel is fixedly connected to the top connecting edge and the inner box splicing edge through a first slot and a fifth slot, and the outer wall panel passes through the third slot and the inner box splicing edge. The fourth slot is fixedly connected with the box top connecting edge and the outer box splicing edge, and the vacuum insulation board is fixedly connected with the box top connecting edge through the second slot.

The beneficial effects of adopting the above-mentioned further solution are: the inner bladder of the side wall, the outer shell of the box and the vacuum insulation layer are fixedly connected by the slot on the connecting edge of the top of the box, the insertion is accurate, the insertion efficiency is high, and the connection Convenient, can withstand the extrusion force of foaming, and produce products with high precision. The connection through the card slot makes the integrity of the box shell better, which is beneficial to improve the dimensional stability and overall strength of the box, and it can also It can effectively prevent the foam from overflowing during the foaming process, improve the appearance quality of the product, and increase the production efficiency and pass rate.

Further, the top connecting piece, the bottom inner connecting piece, and the bottom outer connecting piece have protruding pin portions, and the top connecting piece, the bottom inner connecting piece, and the bottom outer connecting piece are connected to the corresponding ones through the pin portions. The box top connecting edge, the inner box splicing edge, and the outer box splicing edge are inserted into corresponding pin grooves.

The beneficial effect of adopting the above-mentioned further solution is that it is convenient to assemble and facilitates customized splicing of various sizes.

The incubator box body disclosed by the present invention is made by the above-mentioned method for manufacturing the incubator box body.

The beneficial effects of the present invention are: the size we need to customize can be customized, the heat preservation box has good heat preservation effect, the inner and outer wall panels are provided inside and outside the box, and the impact resistance is good.

Description of the drawings

Fig. 1 is a schematic diagram of the inner bladder splicing of the incubator box body manufacturing method of the present invention;

Figure 2 is a schematic diagram after the completion of the splicing of the box inner bladder and the vacuum insulation layer in the method for manufacturing the incubator box body of the present invention;

Fig. 3 is a schematic diagram after the splicing of the box body shell of the incubator box body manufacturing method of the present invention is completed;

4 is a cross-sectional view of an incubator made by an embodiment of the method for manufacturing an incubator box of the present invention;

Figure 5 is a schematic diagram of the composite insulation layer of the thermal insulation box made by the embodiment of the method for manufacturing the thermal insulation box of the present invention;

Fig. 6 is a schematic diagram of a corner of an incubator box manufactured by an embodiment of the method for manufacturing an incubator box of the present invention;

FIG. 7 is a schematic diagram of the incubator box body splicing manufactured by the embodiment of the incubator box body manufacturing method of the present invention;

Figure 8 is a schematic diagram of an embodiment of the top connector;

Fig. 9 is a schematic diagram of an embodiment of a bottom inner connecting piece;

Fig. 10 is a schematic diagram of an embodiment of a bottom outer connector;

Figure 11 is a schematic diagram of an embodiment of the inner box splicing ribs;

Figure 12 is a schematic diagram of an embodiment of splicing edges of the outer box;

Figure 13 is a schematic diagram of an embodiment of a connecting rib on the top of the box;

In the picture: 1. Box body, 11, inner wall panel, 12, inner box splicing edge, 121, first slot, 122, fourth card slot, 123, second slot, 13, bottom inner connector, 131. The first pin, 2. The box shell, 21, the outer wall panel, 22, the outer box splicing edge, 221, the third slot, 222, the fifth card slot, 23, the bottom outer connector, 231, the glue injection hole , 232, second pin, 3, box top frame, 31, box top connecting rib, 32, top connector, 321, third pin, 3211, upper third pin, 3212, lower third pin, 322, fourth Pin, 323, fifth pin, 33, stepped structure, 34, first card slot, 35, second card slot, 36, third card slot, 37, fourth slot, 371, upper fourth slot, 372. The fourth slot in the lower part, 38. The first stacking limit structure, 4. Insulation layer, 41. The first foaming layer, 42, Vacuum insulation board, 43. The second foaming layer, 51. Mould seat, 52. The first foaming mold, 53, the second foaming mold, 6. The cover of the incubator.

Detailed ways

In order to make the objectives, technical solutions, and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings.

As shown in Figures 1 to 13, the embodiment of the method for manufacturing the incubator box disclosed in the present invention includes the following steps: preparing spliced profiles and connectors: preparing inner wall panels 11, outer wall panels 21, vacuum insulation panels 42, outer box Splicing edge 22, inner box splicing edge 12, box top connecting edge 31, top connecting piece 32, bottom inner connecting piece 13 and bottom outer connecting piece 23;

Cutting: According to the size of the incubator to be made, cut the inner wall panel 11, outer wall panel 21, outer box splicing edge 22, inner box splicing edge 12, and box top connecting edge 31 to cut out the required size Inner wall panel 11, outer wall panel 21, outer box splicing edge 22, inner box splicing edge 12 and box top connecting edge 31;

Splicing the inner tank 1 of the box: splicing the inner wall panel 11, the inner box splicing edge 12, and the box top connecting edge 31 formed in the cutting step with the bottom inner connecting piece 13 to form the box body Tank 1, the vacuum insulation board 42 is arranged outside the tank 1 inside the box and inserted into the slot on the top connecting rib 31, so that the vacuum insulation board 42 is connected to the tank inside the box. A first foaming cavity is formed between 1;

First foaming: performing the first foaming in the first foaming cavity, so that the first foaming layer 41 is formed in the first foaming cavity;

Box shell 2 splicing: After the first foaming is completed, the outer wall panel 21, the outer box splicing edge 22, the bottom outer connecting piece 23 and the box top connecting edge 31 are spliced to form the box shell 2 , The outer wall panel 21 is arranged outside the vacuum insulation panel 42 and is inserted into the slot on the top connecting rib 31, forming a first section between the inner wall of the box shell 2 and the vacuum insulation panel 42 Two foaming cavity;

The second foaming: performing a second foaming in the second foaming cavity, so that the second foaming cavity forms a second foaming layer 43, completing the manufacture of the heat preservation box.

According to the size of the cut, through splicing and foaming, the length, width and height of the box can be customized in any size according to the needs. The inner wall panel 11, the outer wall panel 21, the outer box splicing edge 22, and the inner box splicing edge 12 are used. The connecting rib 31 with the top of the box can be individually cut according to the length of the box body. All plates do not need to be moulded separately and are produced separately, which can be easily purchased from the material market at any time without overstocking, reducing management and site costs.

Further, in the splicing step of the inner tank 1 of the box, two adjacent inner wall panels 11 are plug-connected through the inner box splicing edge 12, and the corners of the three adjacent inner wall panels 11 The bottom inner connecting piece 13 is plug-connected, and the bottom of the box top connecting rib 31 is plug-connected to the top of the inner wall panel 11 that is the side wall of the inner tank 1 of the box. The top connecting piece 32 are respectively plug-connected with the end of the top connecting rib 31 of the box and the top of the splicing rib 12 of the inner box. In the slot on the connecting rib 31 on the top of the box, connect the vacuum insulation plate 42 at the bottom of the box body and the vacuum insulation plate 42 on the outside of the side of the box body 1 The bottom is connected, and the first foaming cavity is formed between the inner wall of the vacuum insulation board 42 and the outer wall of the inner wall panel 11.

Preferably, in the splicing step of the box shell 2, two adjacent outer wall panels 21 are plug-connected through the outer box splicing edge 22, and the corners of the three adjacent outer wall panels 21 The bottom outer connecting piece 23 is plug-connected, and the bottom of the box top connecting rib 31 is plug-connected to the top of the outer wall panel 21 as the side wall of the box shell 2, and the outer box splicing ribs The top of 22 is plug-connected to the top connector 32, the outer wall panel 21 is arranged outside the vacuum insulation panel 42 and the second generator is formed between the outer wall panel 21 and the vacuum insulation panel 42 Bubble cavity.

In this embodiment, two foaming processes are included, specifically:

First foaming: In the first foaming step, after the splicing of the inner tank 1 of the box is completed, it is inverted on the mold base 51, and then the vacuum insulation board 42 is connected to the corresponding top of the box The card slot of the rib 31 is inserted and fixed, and a metered amount of polyurethane foam is injected into the first foaming cavity, and then the vacuum insulation board 42 located at the bottom of the tank body 1 is covered at the location. Above the cavity enclosed by the vacuum insulation board 42 outside the inner bladder 1 of the box, the first foaming mold 52 is then covered outside the vacuum insulation board 42 and the first foaming The bottom of the mold 52 is locked with the mold seat 51 so that the first foaming mold 52 covers the vacuum insulation board 42 and the inner wall of the first foaming mold 52 is in contact with the outer wall of the vacuum insulation board 42 , To complete the first foaming, disassemble the first foaming mold 52, and then splice the outer wall panel 21, the outer box splicing rib 22, the bottom outer connecting piece 23 and the box top connecting rib 31 to form a box shell and fix it in the vacuum Outer side of insulation board 42;

Second foaming: After the box shell 2 is spliced and fixed on the outside of the vacuum insulation layer to form a second foaming cavity, the second foaming mold 53 is used for the second foaming, and the second foaming The mold 53 and the first foaming mold 52 can share the mold seat 51, and the second foaming mold 53 is set outside the box shell 2. The bottom outer connector 23 has a glue hole 231, and the glue hole 231 is The second foaming cavity is in communication with the outside world. In the second foaming step, glue is injected into the second foaming cavity through the injection hole 231 for the second foaming, and the second foaming in the second foaming cavity is solidified After molding, a foot pad is provided at the glue injection hole 231, and the foot pad can be used as a fixed point during stacking.

As a further solution of the foregoing embodiment, both the first foaming step and the second foaming step adopt a polyurethane integral foaming process.

In this embodiment, the outer box splicing rib 22, the inner box splicing rib 12, and the box top connecting rib 31 can all be made of a polymer resin PVC material, which is prepared by an extrusion or pultrusion process.

Preferably, the top connecting piece 32, the bottom inner connecting piece 13 and the bottom outer connecting piece 23 can all be made of polymer resin ABS/PC. The thermoplastic resin can be polyethylene resin, polypropylene resin, polyamide, propylene. One or more of nitrile-butadiene-styrene copolymerization. The top connecting piece 32, the bottom inner connecting piece 13 and the bottom outer connecting piece 23 can also be selected from rubber, plastic, fiber reinforced plastic, various metals, plastic and metal composite, rubber and metal composite and other materials, using injection molding or casting processes.

The inner wall panel 11 and the outer wall panel 21 are high-strength fiber resin composite panels, metal panels, plastic panels, or fiber-reinforced modified plastic panels. The vacuum insulation board 42 is mainly composed of a fumed silica core material and a glass fiber core material filled with a core material and a vacuum protective surface layer composite.

As shown in Figure 7, specifically, in the incubator box prepared by the present invention, it includes an inner wall panel 11, an insulation layer 4, an outer wall panel 21, an inner box splicing rib 12, an outer box splicing rib 22, and a box top connection Rib 31, bottom inner connecting piece 13, bottom outer connecting piece 23, and top connecting piece 32; the number of the inner wall panel 11, the inner box splicing edge 12 and the bottom inner connecting piece 13 are multiple, multiple The inner wall panel 11, the plurality of inner box splicing ribs 12, and the plurality of bottom inner connecting pieces 13 are spliced to form a top-opened box inner liner 1. Specifically, the box inner liner 1 includes one of the The inner wall panel 11 is used as a bottom plate and a plurality of inner wall panels 11 are used as side plates. The opening of the inner box 1 can be rectangular or square, and two adjacent inner wall panels 11 are connected by the inner box splicing edge. 12 plug-in connection, the corner of the inner wall panel 11 located at the bottom of the tank 1 and the corners of the two adjacent inner wall panels 11 located on the side of the tank 1 pass through the The bottom inner connecting piece 13 is plug-connected; the number of the outer wall panel 21, the outer box splicing edge 22, and the bottom outer connecting piece 23 are multiple, multiple of the outer wall panels 21, multiple of the outer The box splicing rib 22 and the plurality of bottom outer connecting pieces 23 are spliced to form a box shell 2 with a top opening and the same shape as the box inner bladder 1. Specifically, the box shell 2 includes an outer wall panel 21 as The bottom plate and a plurality of outer wall panels 21 are used as side panels. The shape of the box shell 2 is the same as the shape of the inner tank 1 of the box. Two adjacent outer wall panels 21 are spliced by the outer box. 22 is plug-in connection, the corner of the outer wall panel 21 at the bottom of the box shell 2 and the corners of the two adjacent outer wall panels 21 on the side of the box shell 2 pass through the outside of the bottom The connecting pieces 23 are plug-connected; the number of the top connecting ribs 31 and the top connecting pieces 32 are both multiple, and the multiple top connecting ribs 31 and the multiple top connecting pieces 32 are spliced to form a box top Frame 3, two adjacent box top connecting ribs 31 are plug-connected and connected by the top connecting piece 32; the box inner bladder 1 is arranged in the box outer shell 2, and the box body The outer bottom surface of the inner tank 1 and the inner bottom surface of the box shell 2 are spaced apart, and the outer surface of the side wall of the box inner shell 1 and the inner surface of the side wall of the box shell 2 are spaced apart The insulation layer 4 is provided between the cavity formed by the inner tank 1 and the outer shell 2 of the tank, and the bottom slot of the top frame 3 is at the same time as the inner tank The top of 1 and the top of the box shell 2 are plugged in.

As shown in Figure 13, the box top connecting edge 31 has a first card slot 34 and a second card slot that are adapted to the sides of the inner wall panel 11, the vacuum insulation panel 42 and the outer wall panel 21, respectively. Slot 35 and the third slot 36, both sides of the outer box splicing edge 22 have a fifth slot 222 adapted to the side of the outer wall panel 21, and both sides of the inner box splicing edge 12 There is a fourth slot 122 adapted to the side of the inner wall panel 11, and the inner wall panel 11 is connected to the top connecting rib 31 and the inner box through the first slot 34 and the fourth slot 122, respectively The splicing ribs 12 are fixedly connected, the outer wall panel 21 is fixedly connected to the box top connecting rib 31 and the outer box splicing rib 22 through the third slot 36 and the fifth slot 222, respectively, and the vacuum The insulation board 42 is fixedly connected to the box top connecting rib 31 through the second slot 35.

The top connecting rib 31 and the top connecting piece 32 each have a stepped structure 33, and the top connecting rib 31 and the top connecting piece 32 are formed by splicing the top of the box top frame 3 The stepped structure 33 is adapted to the incubator box cover 6 to improve the sealing performance of the incubator box cover 6 after being closed and to effectively protect the incubator box cover 6.

Specifically, the top connecting piece 32, the bottom inner connecting piece 13 and the bottom outer connecting piece 23 have protruding pin portions. The top connecting piece 32, the bottom inner connecting piece 13 and the bottom outer connecting piece 23 are connected to the corresponding box top through the pin. Corresponding pin grooves on the connecting rib 31, the inner box splicing rib 12, and the outer box splicing rib 22 are spliced.

As a further solution of the above-mentioned embodiment, the spliced box body 1, the vacuum insulation layer and the box shell 2 are all cubes or cuboid, and the top connecting rib 31 serves as the box body 1, the vacuum insulation layer and the box. The upper horizontal edge shared by the body shell 2, the box top connecting edge 31 and the side wall of the box inner bladder 1, and the side wall of the box body shell 2 are connected to the vertical outer box splicing edge 22 and the inner box splicing edge 12 through the top connecting piece 32 Splicing, the bottom of the box inner bladder 1 is spliced with the inner box splicing edge 12 horizontally arranged at the bottom through the bottom inner connecting piece 13, and the bottom of the box outer shell 2 is spliced with the outer box splicing edge 22 arranged horizontally at the bottom through the bottom outer connecting piece 23, and the top The connecting piece 32, the bottom inner connecting piece 13 and the bottom outer connecting piece 23 are all spliced by pin parts protruding thereon and the outer box splicing rib 22, the inner box splicing rib 12 and the corresponding pin grooves on the box top connecting rib 31.

Specifically, as shown in FIGS. 8 to 12, the pin portion includes a first pin 131, a second pin 232, a third pin 321, a fourth pin 322, and a fifth pin 323, and the pin groove includes a first pin. Slot 121, second slot 123, third slot 221 and fourth slot 37, said fourth slot 37 is specifically divided into upper fourth slot 371 and lower fourth slot 372, the inner box Both ends of the splicing rib 12 are provided with a first slot 121 and a second slot 123, and the length, width, and height directions of the bottom inner connecting member 13 are all provided with the first slot 121 The first plug 131, the bottom of the top connecting piece 32 and the fourth plug 322 to which the second slot 123 fits, the inner box splicing edge 12 and the bottom inner connecting piece 13 pass through the first plug The groove 121 is inserted into the first pin 131, the inner box splicing rib 12 and the top connecting piece 32 are spliced through the second slot 123 and the fourth pin 322, and the first pin 131 is inserted into The first slot 121 realizes the splicing of the inner box splicing rib 12 and the bottom inner connecting piece 13, and the fourth pin 322 is inserted into the second slot 123 to realize the splicing of the inner box splicing rib 12 and the top connecting piece 32, facilitating the splicing of the inner box The assembly of the rib 12 with the bottom inner connecting piece 13 and the top connecting piece 32 is convenient for operation and high splicing efficiency.

Both ends of the outer box splicing rib 22 are provided with third slots 221, and the length, width, and height directions of the bottom outer connecting member 23 are provided with second pins adapted to the third slots 221 232. The bottom of the top connecting piece 32 is provided with a fifth pin 323 adapted to the third slot 221, and the outer box splicing rib 22 and the bottom outer connecting piece 23 pass through the third slot 221 is inserted into the second plug 232, the outer box splicing edge 22 and the top connecting piece 32 are inserted through the third slot 221 and the fifth plug 323, and the fifth plug 323 is inserted into The top connector 32 and the outer box splicing edge 22 are spliced in the third slot 221, and the bottom outer connector 23 and the outer box splicing edge 22 are spliced by inserting the second pin 232 into the third slot 221. It is convenient to assemble the outer box splicing rib 22, the bottom outer connecting piece 23 and the top connecting piece 32, and the operation is convenient and the splicing efficiency is high.

Both ends of the box top connecting rib 31 are provided with fourth slots 37, and the length and width directions of the top connector 32 are both provided with third pins 321 corresponding to the fourth slots 37. The box top connecting rib 31 and the top connecting piece 32 are inserted through the fourth slot 37 and the third pin 321. The fourth slot 37 includes an upper fourth slot 371 and a lower fourth slot 372, The third pin 321 includes a corresponding upper third pin 3211 and a lower third pin 3212. Correspondingly, the upper third pin 3211 is inserted into the upper fourth slot 371, and the lower third pin 3212 is inserted Connected to the lower fourth slot 372.

The incubator box body includes an inner wall panel 11, a vacuum insulation panel 42, an outer wall panel 21, and a polyurethane foam layer in the first foam cavity and the second foam cavity, the vacuum insulation panel 42 and the first foam cavity and the second foam layer. The polyurethane foam layer in the bubble cavity constitutes a composite thermal insulation layer. As shown in Figure 7, taking a rectangular box as an example, each set of box requires ten box plates, and five inner wall panels 11 are needed, of which four inner wall panels 11 are used as the side walls of the inner bladder of the box. One inner wall panel 11 is used as the bottom wall of the inner tank of the box, and five outer wall panels 21 are required. Among them, four outer wall panels 21 are used as the side walls of the box shell, and one outer wall panel 21 is used as the bottom wall of the box shell; vacuum insulation is required. The number of plates 42 is five, one for each of the four sides, and one for the bottom. The number of bottom inner connecting pieces 13 is required to be four. The four bottom inner connecting pieces 13 are respectively arranged at the four corners of the bottom of the inner tank of the box. The number of the bottom outer connecting pieces 23 is four, and the four bottom outer connecting pieces 23 are respectively arranged at the four corners of the bottom of the box shell. Eight outer box splicing edges 22 are required, and two adjacent outer wall panels 21 are provided With the outer box splicing rib 22, the number of inner box splicing ribs 12 is eight, and the eight inner box splicing ribs 12 are respectively located between two adjacent inner wall panels 11, and the box top connecting rib 31 is required to be connected to the top The number of the pieces 32 is four, forming the top frame of the rectangle. The vacuum insulation board 42 required for each box body may be a whole board structure or a spliced board structure, and the box body is made by two foaming preparation processes.

The top of the top connecting member 32 has a first stacking limiting structure 38 formed by recessing inward. In the second foaming step, the second foaming cavity is injected into the second foaming cavity through the injection hole 231. After the second foaming in the second foaming cavity is cured and molded, the foot pad is filled at the injection hole 231. The rubber plug is arranged in the rubber plug hole and protrudes outward to form a second stacking limit Structure, the first stacking limit structure 38 is paired with the second stacking limit structure, and the second stacking limit structure is used for stacking and is inserted into the first stacking limit structure 38 Connect the limit.

The incubator box body manufacturing method disclosed in the present invention and the incubator box body and the incubator box manufactured by the above-mentioned incubator box manufacturing method. The material is polyurethane material or EPS foam material or XPS foam board material or EPP foam board material or a composite board formed by one or more of the above materials and a vacuum insulation board, which can be customized in any size of the box body length/width/height. The design of the plug-in structure improves the flexible manufacturing capacity of the box unit, reduces the investment in the development of the box mold, and improves the production efficiency and product quality at the same time; it can also improve the long-term insulation performance of the box.

Of course, the present invention can also have various other embodiments. Without departing from the spirit and essence of the present invention, those skilled in the art can make various corresponding changes and modifications according to the present invention, but these corresponding changes Both the deformation and the deformation shall belong to the protection scope of the appended claims of the present invention.

Claims

A method for manufacturing an incubator box is characterized in that it comprises the following steps:

Prepare splicing profiles and connectors: prepare inner wall panels (11), outer wall panels (21), vacuum insulation panels (42), outer box splicing ribs (22), inner box splicing ribs (12), box top connecting ribs (31) , Top connecting piece (32), bottom inner connecting piece (13) and bottom outer connecting piece (23);

Cutting: According to the size of the incubator to be made, perform the inner wall panel (11), outer wall panel (21), outer box splicing edge (22), inner box splicing edge (12), box top connecting edge (31) Cut, cut out the inner wall panel (11), outer wall panel (21), outer box splicing edge (22), inner box splicing edge (12) and box top connecting edge (31) of the required size;

Splicing the inner bladder (1) of the box: the inner wall panel (11), the inner box splicing edge (12) and the box top connecting edge (31) formed in the cutting step are connected to the inner side of the bottom The connecting piece (13) is spliced to form a box inner bladder (1), and the vacuum insulation board (42) is arranged on the outer side of the box inner bladder (1) and is connected to the card on the top connecting edge (31) of the box The groove is inserted to form a first foaming cavity between the vacuum insulation board (42) and the inner bladder of the box;

First foaming: performing the first foaming in the first foaming cavity, so that a first foaming layer (41) is formed in the first foaming cavity;

Box shell (2) splicing: After the first foaming is completed, connect the outer wall panel (21), the outer box splicing edge (22), the bottom outer connector (23) and the box top The ribs (31) are spliced to form a box shell (2), and the outer wall panel (21) is arranged on the outside of the vacuum insulation board (42) and is inserted into the card slot on the connecting rib (31) on the top of the box. A second foaming cavity is formed between the inner wall of the box shell (2) and the vacuum insulation board (42);

The second foaming: performing a second foaming in the second foaming cavity, so that the second foaming cavity forms a second foaming layer (43), completing the manufacture of the heat preservation box.
The method for manufacturing an incubator box according to claim 1, wherein in the splicing step of the inner bladder (1) of the box, two adjacent inner wall panels (11) pass through the inner box. The splicing edges (12) are plug-connected, and the corners of the three adjacent inner wall panels (11) are plug-connected through the bottom inner connecting piece (13), and the bottom of the box top connecting edge (31) is connected to The top of the inner wall panel (11) as the side wall of the box inner bladder (1) is plug-connected, and the top connecting piece (32) is respectively connected to the end of the box top connecting rib (31) and The top of the inner box splicing edge (12) is plug-connected, and the top of the vacuum insulation board (42) located outside the side of the inner box (1) is inserted into the box top connecting edge ( 31) In the card slot on the upper part of the box, connect the vacuum insulation board (42) at the bottom of the box body (1) and the vacuum insulation board ( 42) is connected to the bottom, and the first foaming cavity is formed between the inner wall of the vacuum insulation board (42) and the outer wall of the inner wall panel (11).
The method for manufacturing an incubator box according to claim 2, characterized in that: in the splicing step of the box shell (2), two adjacent outer wall panels (21) are spliced through the outer box. The edges (22) are plug-connected, and the corners of the three adjacent outer wall panels (21) are plug-connected through the bottom outer connecting piece (23), and the bottom of the box top connecting edge (31) is connected as The top of the outer wall panel (21) of the side wall of the box shell (2) is plug-connected, and the top of the outer box splicing edge (22) is plug-connected with the top connector (32), so The outer wall panel (21) is arranged outside the vacuum insulation panel (42) and the second foaming cavity is formed between the outer wall panel (21) and the vacuum insulation panel (42).
The method for manufacturing an incubator box according to any one of claims 1 to 3, wherein the first foaming step is foamed through a mold seat (51) and a first foaming mold (52), In the second foaming step, foaming is performed through the mold seat (51) and the second foaming mold (53).
The method for manufacturing an incubator box according to claim 4, characterized in that: in the first foaming step, the inner bladder (1) of the box is inverted on the mold seat (51) after the splicing is completed. And then insert and fix the vacuum insulation board (42) with the corresponding box top connecting edge (31), and inject a metered amount of polyurethane foam into the first foaming cavity, and then place it in The vacuum insulation board (42) at the bottom of the box inner bladder (1) is covered above the vacuum insulation board (42) located outside the box inner bladder (1), and then the first The foaming mold (52) is covered outside the vacuum insulation board (42) and the bottom of the first foaming mold (52) is locked with the mold seat (51), so that the first foaming mold (52) Wrap the vacuum insulation board (42) and make the inner wall of the mold cover (52) contact the outer wall of the vacuum insulation board (42).
The method for manufacturing an incubator box according to any one of claims 1 to 3, characterized in that: in the first foaming step, through the inner wall panel (11), the inner box splicing edge ( 12) and the gap between the vacuum insulation panels (42) is injected into the first foaming cavity.
The method for manufacturing an incubator box according to any one of claims 1 to 3, characterized in that: the bottom outer connecting piece (23) is provided with a glue injection hole (231), and the glue injection hole (231) is The second foaming cavity is in communication with the outside, and in the second foaming step, glue is injected into the second foaming cavity through the glue injection hole (231) for the second foaming.
The method for manufacturing an incubator box body according to any one of claims 1 to 3, characterized in that: the top connecting edge (31) is provided with the inner wall panel (11) and the vacuum insulation panel ( 42) The first card slot (34), the second card slot (35) and the third card slot (36) that fit the side of the outer wall panel (21), the splicing edge of the outer box (22) Both sides are provided with a fifth slot (222) adapted to the side of the outer wall panel (21), and both sides of the inner box splicing edge (12) are provided with sides of the inner wall panel (11). The inner wall panel (11) is connected to the top connecting edge (31) and the inner wall of the box through the first slot (34) and the fourth slot (122), respectively. The box splicing edge (12) is fixedly connected, and the outer wall panel (21) is connected to the box top connecting edge (31) and the box top through the third slot (36) and the fifth slot (222), respectively. The outer box splicing edge (22) is fixedly connected, and the vacuum insulation board (42) is fixedly connected to the box top connecting edge (31) through the second clamping slot (35).
The method for manufacturing an incubator box according to any one of claims 1 to 3, wherein the top connecting piece (32), the bottom inner connecting piece (13) and the bottom outer connecting piece (23) have protrusions The top connecting piece (32), the bottom inner connecting piece (13) and the bottom outer connecting piece (23) are connected to the corresponding top connecting edge (31) and the inner box through the pin The splicing edge (12) and the corresponding pin groove on the outer box splicing edge (22) are inserted.
An incubator box body, characterized in that it is made by the method for manufacturing an incubator box body according to any one of claims 1-9.