Phenolic paper-based epoxy glass cloth composite laminated board for packaging box mold

Abstract

The utility model discloses a phenolic paper-based epoxy glass cloth composite laminated board for a packaging box mold, which relates to the technical field of composite laminated boards and comprises a glass fiber layer assembly, first insulating layer assemblies are arranged on the upper surface and the lower surface of the glass fiber layer assembly, and second insulating layer assemblies are arranged on the upper surface and the lower surface of the glass fiber layer assembly. A flame-retardant layer is arranged on the face, away from the glass fiber layer assembly, of the first insulating layer assembly, and a second insulating layer is arranged on the face, away from the glass fiber layer assembly, of the flame-retardant layer. According to the utility model, the plurality of sinking grooves and the plurality of transverse reinforcing ribs are arranged on the glass fiber layer assembly, the inner walls of the two sides of each sinking groove are vertical, and the front surfaces and the back surfaces of the transverse reinforcing ribs are vertical to form reinforcing ribs, so that the strength of the glass fiber layer is improved in the transverse direction and the longitudinal direction; and reinforcing ribs can be formed to reinforce the first insulating layer, so that the strength of the whole plate is improved, the plate is not easy to bend, and the service life of the die is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of composite laminates, in particular to a phenolic paper-based epoxy glass cloth composite laminate for a packaging box mould. Background Art

[0002] The packaging box mold is generally made of phenolic paper-based epoxy glass cloth composite laminate. In the production process of phenolic paper-based epoxy glass cloth composite laminate, its main components are glass fiber board and insulating board. Glass fiber board is generally made of glass fiber, and insulating board is generally made of epoxy resin. Glass fiber board, also known as glass fiber board, is generally used for soft package base, and then wrapped with cloth, leather, etc. to make beautiful wall and ceiling decoration. It is widely used and has the characteristics of sound absorption, sound insulation, heat insulation, environmental protection, flame retardancy, etc. Glass fiber board is also known as glass fiber synthetic board, which is synthesized from glass fiber material and high heat-resistant composite material, and does not contain asbestos components that are harmful to the human body.

[0003] However, the existing glass cloth composite laminates are not strong enough, especially when used in molds, which is prone to dents and bends. At the same time, the bonding strength between the layers is not strong enough, which affects the service life.

[0004] Therefore, it is necessary to invent a phenolic paper-based epoxy glass cloth composite laminate for a packaging box mold to solve the above problems. Utility Model Content

[0005] The utility model aims to provide a phenolic paper-based epoxy glass cloth composite laminate for a packaging box mold to solve the problems raised in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical solution: a phenolic paper-based epoxy glass cloth composite laminate for a packaging box mold, comprising a glass fiber layer assembly, the upper surface and the lower surface of the glass fiber layer assembly are both provided with a first insulating layer assembly, a side of the first insulating layer assembly away from the glass fiber layer assembly is provided with a flame retardant layer, and a side of the flame retardant layer away from the glass fiber layer assembly is provided with a second insulating layer;

[0007] The glass fiber layer assembly comprises a glass fiber layer, and the upper surface and the lower surface of the glass fiber layer are both provided with sink grooves;

[0008] The first insulating layer assembly comprises a first insulating layer, and a surface of the first insulating layer close to the glass fiber layer assembly is bonded and connected to the glass fiber layer.

[0009] Preferably, a plurality of sinking grooves are provided, and the plurality of sinking grooves are distributed at equal intervals.

[0010] Preferably, the inner walls on both sides of the sink are arranged vertically, and the two ends of the sink extend to the front and back sides of the glass fiber layer respectively.

[0011] Preferably, the interior of the sink is integrally formed with transverse reinforcing ribs, and the front and back sides of the transverse reinforcing ribs are both vertically arranged.

[0012] Preferably, a plurality of transverse reinforcing ribs are provided, and the plurality of transverse reinforcing ribs are distributed at equal intervals.

[0013] Preferably, a plurality of convex strips are integrally formed on one side of the first insulating layer close to the glass fiber layer, and the convex strips are matched with the sinking grooves, and the convex strips are bonded and connected to the inner wall of the sinking grooves.

[0014] Preferably, the convex strip is provided with a plurality of straight grooves distributed at equal intervals, and the straight grooves are matched with the transverse reinforcing ribs, and the inner walls of the straight grooves are bonded and connected to the transverse reinforcing ribs.

[0015] Technical effects and advantages of the utility model:

[0016] The utility model provides a plurality of grooves and a plurality of transverse reinforcing ribs on the glass fiber layer assembly, and the inner walls on both sides of the grooves are vertical, and the front and back sides of the transverse reinforcing ribs are vertical, so as to form reinforcing ribs, thereby improving the strength of the glass fiber layer in the transverse and longitudinal directions. At the same time, by providing a plurality of convex strips and straight grooves on the first insulating layer assembly, reinforcing ribs can also be formed to reinforce the first insulating layer, thereby improving the strength of the overall board, making it less likely to bend, and improving the service life of the mold. At the same time, the plurality of grooves, transverse reinforcing ribs, convex strips and straight grooves increase the bonding area between the glass fiber layer assembly and the first insulating layer assembly, thereby improving the bonding strength of the overall board, making the board less likely to crack, and further improving the service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model.

[0018] Figure 2 For the utility model Figure 1 A schematic diagram of the enlarged structure of .

[0019] Figure 3 This is a schematic diagram of the glass plate assembly structure of the utility model.

[0020] Figure 4 For the utility model Figure 3 Enlarged schematic diagram of the structure at B.

[0021] Figure 5 This is a schematic diagram of the insulation board assembly structure of the utility model.

[0022] Figure 6 For the utility model Figure 5 Enlarged schematic diagram of the structure at location C.

[0023] In the figure: 1. glass fiber layer assembly; 2. first insulating layer assembly; 3. flame retardant layer; 4. second insulating layer; 101. glass fiber layer; 102. sink groove; 103. transverse reinforcing rib; 201. first insulating layer; 202. convex strip; 203. straight groove. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] The utility model provides Figure 1-6 A phenolic paper-based epoxy glass cloth composite laminate for a packaging box mold is shown, comprising a glass fiber layer assembly 1, wherein the upper and lower surfaces of the glass fiber layer assembly 1 are both provided with a first insulating layer assembly 2, a flame retardant layer 3 is provided on a side of the first insulating layer assembly 2 away from the glass fiber layer assembly 1, the flame retardant layer 3 is made of phosphorus-containing flame retardant epoxy resin, which can improve the flame retardant effect of the board, and a second insulating layer 4 is provided on a side of the flame retardant layer 3 away from the glass fiber layer assembly 1.

[0026] Furthermore, the glass fiber layer assembly 1 includes a glass fiber layer 101, and the upper surface and the lower surface of the glass fiber layer 101 are both provided with a sink 102, and the sink 102 is provided with a plurality of sinks, and the plurality of sinks 102 are evenly spaced. The depth of the sink 102 cannot exceed half of the thickness of the glass fiber layer 101, otherwise the self-strength of the glass fiber layer 101 is affected. The inner walls of both sides of the sink 102 are vertically arranged, and the two ends of the sink 102 extend to the front and back of the glass fiber layer 101 respectively. The glass fiber layer assembly 1 is provided with a transverse reinforcing rib 103, and the front and back sides of the transverse reinforcing rib 103 are both vertically arranged. There are multiple transverse reinforcing ribs 103, and the multiple transverse reinforcing ribs 103 are evenly spaced. By providing multiple sinks 102 and multiple transverse reinforcing ribs 103 on the glass fiber layer assembly 1, and the inner walls of both sides of the sinks 102 are vertical, and the front and back sides of the transverse reinforcing ribs 103 are vertical, reinforcing ribs are formed, and the strength of the glass fiber layer 101 is improved in the horizontal and vertical directions, the strength of the overall plate is improved, it is not easy to bend, and the service life of the mold is improved;

[0027] The first insulating layer assembly 2 includes a first insulating layer 201, and the first insulating layer 201 is bonded to the glass fiber layer 101 on one side close to the glass fiber layer assembly 1. The first insulating layer 201 is an insulating epoxy resin board. The first insulating layer 201 is formed with a plurality of convex strips 202 on one side close to the glass fiber layer 101, and the convex strips 202 are matched with the sinking groove 102. The convex strips 202 are bonded to the inner wall of the sinking groove 102. The convex strips 202 are provided with a plurality of straight grooves 203 distributed at equal intervals, and the straight grooves 203 are matched with the transverse reinforcing ribs 103. The inner wall of the straight groove 203 is bonded and connected with the transverse reinforcing rib 103. At the same time, by arranging a plurality of convex strips 202 and straight grooves 203 on the first insulating layer assembly 2, reinforcing ribs can be formed to reinforce the first insulating layer 201, thereby improving the strength of the overall plate, making it less likely to bend, and improving the service life of the mold. At the same time, the plurality of sink grooves 102, transverse reinforcing ribs 103, convex strips 202 and straight grooves 203 increase the bonding area between the glass fiber layer assembly 1 and the first insulating layer assembly 2, thereby improving the bonding strength of the overall plate, making the plate less likely to crack, and further improving the service life.

[0028] Working principle of this utility model:

[0029] When in use, since the glass fiber layer assembly 1 is provided with multiple grooves 102 and multiple transverse reinforcing ribs 103, and the inner walls on both sides of the grooves 102 are vertical, and the front and back sides of the transverse reinforcing ribs 103 are vertical, reinforcing ribs are formed to improve the strength of the glass fiber layer 101 in the transverse and longitudinal directions. At the same time, by providing multiple convex strips 202 and straight grooves 203 on the first insulating layer assembly 2, reinforcing ribs can also be formed to reinforce the first insulating layer 201, thereby improving the strength of the overall board, making it less likely to bend, and improving the service life of the mold. At the same time, the multiple grooves 102, transverse reinforcing ribs 103, convex strips 202 and straight grooves 203 increase the bonding area between the glass fiber layer assembly 1 and the first insulating layer assembly 2, thereby improving the bonding strength of the overall board, making the board less likely to crack, and further improving the service life.

[0030] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A phenolic paper-based epoxy glass cloth composite laminate for a packaging box mold, characterized in that: It comprises a glass fiber layer assembly (1), wherein the upper surface and the lower surface of the glass fiber layer assembly (1) are both provided with a first insulating layer assembly (2), a flame retardant layer (3) is provided on a side of the first insulating layer assembly (2) away from the glass fiber layer assembly (1), and a second insulating layer (4) is provided on a side of the flame retardant layer (3) away from the glass fiber layer assembly (1); The glass fiber layer assembly (1) comprises a glass fiber layer (101), and the upper surface and the lower surface of the glass fiber layer (101) are both provided with a sink groove (102); The first insulating layer assembly (2) comprises a first insulating layer (201), and a surface of the first insulating layer (201) close to the glass fiber layer assembly (1) is bonded to the glass fiber layer (101).

2. The phenolic paper-based epoxy glass cloth composite laminate for packaging box mold according to claim 1, characterized in that: A plurality of the sinking grooves (102) are provided, and the plurality of sinking grooves (102) are distributed at equal intervals.

3. The phenolic paper-based epoxy glass cloth composite laminate for packaging box mold according to claim 2, characterized in that: The inner walls on both sides of the trough (102) are arranged vertically, and the two ends of the trough (102) extend to the front and back sides of the glass fiber layer (101) respectively.

4. The phenolic paper-based epoxy glass cloth composite laminate for packaging box mold according to claim 3, characterized in that: The interior of the sink (102) is integrally formed with a transverse reinforcing rib (103), and the front and back sides of the transverse reinforcing rib (103) are both vertically arranged.

5. The phenolic paper-based epoxy glass cloth composite laminate for packaging box mold according to claim 4, characterized in that: A plurality of transverse reinforcing ribs (103) are provided, and the plurality of transverse reinforcing ribs (103) are distributed at equal intervals.

6. The phenolic paper-based epoxy glass cloth composite laminate for packaging box mold according to claim 5, characterized in that: A surface of the first insulating layer (201) close to the glass fiber layer (101) is integrally formed with a plurality of convex strips (202), and the convex strips (202) are adapted to the sink groove (102), and the convex strips (202) are bonded to the inner wall of the sink groove (102).

7. The phenolic paper-based epoxy glass cloth composite laminate for packaging box mold according to claim 6, characterized in that: The convex strip (202) is provided with a plurality of straight grooves (203) distributed at equal intervals, and the straight grooves (203) are adapted to the transverse reinforcing ribs (103), and the inner walls of the straight grooves (203) are bonded and connected to the transverse reinforcing ribs (103).

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