Honeycomb core production equipment and honeycomb plate production system

Abstract

The invention discloses honeycomb core production equipment and a honeycomb plate production system. The honeycomb core production equipment comprises a pre-diameter rack, a core pipe mold, a cooling device, an air-drying slitting device and a hot-pressing shaping device. The pre-sizing rack comprises a bending assembly, the bending assembly comprises two sizing rollers, and the two sizing rollers are used for bending the two prepreg tapes respectively. The core tube mold comprises an outer mold and an inner mold, a mold cavity is formed between the outer mold and the inner mold, the mold cavity comprises a heating section located on the upstream and a cooling section located on the downstream, and a drainage groove is formed in the cooling section of the inner wall of the outer mold. The honeycomb core production equipment is suitable for manufacturing the prepreg tape into the honeycomb core so as to improve the performance of the honeycomb core. And the two prepreg tapes are fused to be tightly combined when passing through the heating section of the mold cavity, and the complete and compact core tube is manufactured after cooling. When the core pipes enter the cooling section of the mold cavity, the second resin in the drainage grooves forms adhesive tapes on the surfaces of the core pipes, so that the honeycomb core is formed by hot-pressing and bonding a plurality of subsequent core pipes more firmly.

Description

Technical Field

[0001] The present application relates to the technical field of composite material production, and in particular to a honeycomb core production device and a honeycomb panel production system. Background Art

[0002] Honeycomb core is the main material used to produce honeycomb panels, and as the main component of honeycomb panels, honeycomb core determines the overall performance of honeycomb panels. Currently, the performance of honeycomb cores manufactured by common production equipment is insufficient and cannot meet the needs of honeycomb panels.

[0003] Therefore, a honeycomb core production device and a honeycomb panel production system are needed to at least partially solve the above problems. Summary of the invention

[0004] A series of simplified concepts are introduced in the invention summary of this application, which will be further described in detail in the detailed description. The invention summary of this application does not mean to attempt to define the key features and essential technical features of the technical solution claimed for protection, nor does it mean to attempt to determine the scope of protection of the technical solution claimed for protection.

[0005] In order to at least partially solve the above problems, the first aspect of the present application provides a honeycomb core production device, comprising:

[0006] A pre-sizing frame, the pre-sizing frame comprising a bending assembly, the bending assembly comprising two sizing rollers, the two sizing rollers are configured as arcs with openings facing each other, the two sizing rollers are used to bend two prepreg tapes respectively, the prepreg tapes comprising a first resin;

[0007] A core tube mold, the core tube mold is located downstream of the predetermined diameter frame, the core tube mold comprises an outer mold and an inner mold spaced apart in a radial direction of the core tube mold, a mold cavity is formed between the outer mold and the inner mold, the mold cavity comprises a heating section located upstream and a cooling section located downstream, an inner wall of the outer mold is provided with a drainage groove in the cooling section, the drainage groove is used to store a second resin, and the melting temperature of the second resin is lower than the melting temperature of the first resin;

[0008] A cooling device, located downstream of the core tube mold, for shaping the core tube;

[0009] an air-drying and slitting device, the air-drying and slitting device being located downstream of the cooling device and used for air-drying and slitting the core tube into fixed lengths; and

[0010] A hot pressing and shaping device is located downstream of the air-drying and slitting device and is used to melt the second resin on the outer surface of the core tube so as to hot-press and bond a plurality of the core tubes into a honeycomb core.

[0011] The honeycomb core production equipment according to the present application is suitable for making a prepreg tape into a honeycomb core to improve the performance of the honeycomb core. When the two prepreg tapes pass through the heating section of the mold cavity, they melt and tightly combine, and after cooling, they form a complete and dense core tube. When the core tube passes through the cooling section of the mold cavity, the second resin in the drainage groove forms a strip on the surface of the core tube, so that the subsequent multiple core tubes are hot-pressed and bonded into a honeycomb core more firmly.

[0012] Optionally, a plurality of groups of the bending assemblies are arranged along the production direction, and the curvature of the sizing rollers of the bending assemblies gradually increases from upstream to downstream.

[0013] Optionally, the inner wall of the outer mold is provided with a first flow channel extending along the circumferential direction of the core tube mold in the heating section, and the first flow channel is used for storing a first resin.

[0014] Optionally, the core tube mold includes a first glue injection tube, which is arranged on the outer wall of the outer mold and connected to the first flow channel.

[0015] Optionally, the inner wall of the outer mold is provided with a second flow channel extending along the circumferential direction of the core tube mold in the cooling section, and the second flow channel is connected to the drainage groove.

[0016] Optionally, the core tube mold includes a second glue injection tube, which is arranged on the outer wall of the outer mold and connected to the second flow channel.

[0017] Optionally, the drainage groove extends from the second flow channel to the outlet of the mold cavity along the axial direction of the core tube mold.

[0018] Optionally, a plurality of the drainage grooves are arranged at intervals along the circumferential direction of the core tube mold.

[0019] Optionally, the diameter of the heating section of the mold cavity gradually decreases from upstream to downstream.

[0020] Optionally, it further comprises a positioning frame, wherein the positioning frame is located upstream of the predetermined diameter frame, and the positioning frame comprises two positioning rollers spaced apart in the vertical direction.

[0021] Optionally, a stacking rack is further included, which is located between the air-drying and slitting device and the hot pressing and shaping device and is used for stacking the core tubes after slitting.

[0022] The second aspect of the present application provides a honeycomb panel production system, comprising:

[0023] Prepreg tape production equipment, the prepreg tape production equipment is used to produce prepreg tape;

[0024] A honeycomb core production device according to any one of the above technical solutions;

[0025] Skin production equipment, the skin production equipment and the honeycomb core production equipment are arranged in parallel, and the skin production equipment is used to produce skin; and

[0026] A composite device is located downstream of the honeycomb core production device and the skin production device, and is used to make the honeycomb core and the skin into a honeycomb panel.

[0027] The honeycomb panel production system according to the present application is suitable for manufacturing the honeycomb core produced by the above-mentioned honeycomb core production equipment into a honeycomb panel, so as to improve the performance of the honeycomb panel.

[0028] Optionally, two of the prepreg tape production devices are arranged upstream of the honeycomb core production device, for providing two of the prepreg tapes to the honeycomb core production device.

[0029] Optionally, the prepreg tape production equipment is arranged upstream of the skin production equipment, for providing the prepreg tape to the skin production equipment.

[0030] Optionally, the composite equipment includes a hot pressing composite device for hot pressing the honeycomb core and the skin to form the honeycomb panel, so that the continuous fibers in the honeycomb core are at least partially integrated into the skin. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] The following drawings of the present application are used as a part of the present application for understanding the present application. The drawings show the implementation modes of the present application and the description thereof, and are used to explain the principle of the present application.

[0032] In the attached figure:

[0033] Figure 1 It is a three-dimensional schematic diagram of a honeycomb core production device according to a preferred embodiment of the present application;

[0034] Figure 2 for Figure 1 A three-dimensional schematic diagram of a pre-diameter frame of a honeycomb core production equipment;

[0035] Figure 3 for Figure 2 A schematic side view of a bending assembly of a predetermined diameter frame;

[0036] Figure 4 for Figure 1 A schematic front view of a core tube mold of a honeycomb core production device;

[0037] Figure 5 for Figure 4 A schematic cross-sectional view of the core tube mold along line AA in which the inner mold is omitted.

[0038] Description of reference numerals:

[0039] 110: Pre-diameter rack

[0040] 111: Bending components

[0041] 112: Sizing roller

[0042] 113: Guide roller

[0043] 120: Core tube mold

[0044] 121: External Model

[0045] 1211: Drainage trough

[0046] 1212: First runner

[0047] 1213: Second flow channel

[0048] 122: Internal mold

[0049] 123: Heating section

[0050] 124: Cooling section

[0051] 125: First injection hose

[0052] 126: Second injection hose

[0053] 127: Cooling channel

[0054] 130: Cooling device

[0055] 140: Air drying and slitting device

[0056] 150: Hot pressing and shaping device

[0057] 160: Positioning rack

[0058] 170: Palletizing rack

[0059] 180: Traction device

[0060] 190: Cutting device DETAILED DESCRIPTION

[0061] In the following description, a large number of specific details are provided to provide a more thorough understanding of the present application. However, it is apparent to those skilled in the art that the present application can be implemented without one or more of these details. In other examples, in order to avoid confusion with the present application, some technical features well known in the art are not described.

[0062] In order to thoroughly understand the present application, a detailed description will be provided in the following description. Obviously, the implementation of the embodiments of the present application is not limited to the specific details familiar to those skilled in the art. The preferred embodiments of the present application are described in detail below, but in addition to these detailed descriptions, the present application may also have other embodiments.

[0063] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should also be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of the features, wholes, steps, operations, elements and / or components, but does not exclude the presence or addition of one or more other features, wholes, steps, operations, elements, components and / or combinations thereof.

[0064] Ordinal numbers such as “first” and “second” cited in the present application are merely identifications and do not have any other meanings, such as a specific order, etc. Moreover, for example, the term “first component” itself does not imply the existence of the “second component”, and the term “second component” itself does not imply the existence of the “first component”.

[0065] It should be noted that the terms "upper", "lower", "front", "back", "left", "right", "inside", "outside" and similar expressions used in this document are for illustrative purposes only and are not limiting.

[0066] Now, exemplary embodiments according to the present application will be described in more detail with reference to the accompanying drawings. However, these exemplary embodiments can be implemented in a variety of different forms and should not be interpreted as being limited to the embodiments described herein. It should be understood that these embodiments are provided to make the disclosure of the present application thorough and complete, and to fully convey the concepts of these exemplary embodiments to those of ordinary skill in the art.

[0067] The first aspect of the present application discloses a honeycomb core production device. Figure 1 As shown, the honeycomb core production equipment includes a pre-sizing frame 110, a core tube mold 120, a cooling device 130, an air-drying and slitting device 140, and a hot pressing and shaping device 150. Figure 2 and Figure 3 As shown, the pre-sizing frame 110 includes a bending assembly 111. The bending assembly 111 includes two sizing rollers 112, which are configured as arcs with openings facing each other. The two sizing rollers 112 are used to bend two prepreg tapes respectively. The prepreg tapes include a first resin. The core tube mold 120 is located downstream of the pre-sizing frame 110. Figure 4 and Figure 5As shown, the core tube mold 120 includes an outer mold 121 and an inner mold 122 spaced apart in the radial direction of the core tube mold 120, a mold cavity is formed between the outer mold 121 and the inner mold 122, the mold cavity includes a heating section 123 located upstream and a cooling section 124 located downstream, the inner wall of the outer mold 121 is provided with a drainage groove 1211 in the cooling section 124, the drainage groove 1211 is used to store the second resin, and the melting temperature of the second resin is lower than the melting temperature of the first resin. The cooling device 130 is located downstream of the core tube mold 120, and is used to shape the core tube. The air-drying slitting device 140 is located downstream of the cooling device 130, and is used to air-dry and cut the core tube to a fixed length. The hot pressing shaping device 150 is located downstream of the air-drying slitting device 140, and is used to melt the second resin on the outer surface of the core tube, so as to hot-press and bond a plurality of core tubes into a honeycomb core.

[0068] The honeycomb core production equipment according to the present application is suitable for making the prepreg tape into a honeycomb core to improve the performance of the honeycomb core. When the two prepreg tapes pass through the heating section 123 of the mold cavity, they melt to be tightly combined, and after cooling, they form a complete and dense core tube. When the core tube passes through the cooling section 124 of the mold cavity, the second resin in the drainage groove 1211 forms a strip on the surface of the core tube, so that the subsequent multiple core tubes are hot-pressed and bonded into a honeycomb core more firmly.

[0069] like Figure 1 As shown, the honeycomb core production equipment further includes a positioning frame 160 located upstream of the pre-sizing frame 110. The positioning frame 160 includes two positioning rollers spaced apart in the vertical direction, and the positioning rollers are used to position the prepreg tapes in the vertical direction so that the two prepreg tapes enter the pre-sizing frame 110 spaced apart in the vertical direction.

[0070] like Figure 2 As shown, the entrance of the pre-sizing frame 110 is provided with a guide roller 113 extending in the horizontal direction, and the guide roller 113 includes two rotating rollers spaced apart in the vertical direction, and the prepreg tape passes between the two rotating rollers. The two guide rollers 113 are spaced apart in the vertical direction to introduce the two prepreg tapes into the bending assembly 111 in parallel. The bending assembly 111 is arranged downstream of the guide roller 113, and the sizing roller 112 includes two groups of rotating rollers spaced apart in the vertical direction, and the prepreg tape passes between the two rotating rollers. The two sizing rollers 112 are arranged in the vertical direction to bend the two prepreg tapes in the width direction respectively, so that the two prepreg tapes are constructed into an arc configuration with openings facing each other. The distance between the two sizing rollers 112 in the vertical direction is set according to the size of the prepreg tape, so that the two prepreg tapes after bending can be buckled to form a core tube with a complete cylindrical configuration. The distance between the two sizing rollers 112 in the vertical direction can be adjusted so that the joint of the two prepreg tapes has an overlapping portion, so that the subsequent fusion bonding is more solid. It should be understood that the distance between the two sizing rollers 112 in the vertical direction can also be adjusted so that the two prepreg tapes are bonded only through the cut surface (i.e., the joint has no overlapping portion).

[0071] Furthermore, if Figure 3 As shown, multiple groups of bending assemblies 111 are arranged along the production direction (axial direction of the bending assemblies 111), and the curvature of the sizing rollers 112 of the bending assemblies 111 from upstream to downstream gradually increases, and the bending assemblies 111 at the exit of the pre-sizing rack 110 are configured to be roughly circular. As a result, the prepreg tape is gradually bent from a planar configuration to an arc configuration, which can make it easier for the prepreg tape to enter the sizing rollers 112 without manual intervention, and can avoid damage caused by a sudden and significant change in the curvature of the prepreg tape.

[0072] like Figure 4 As shown, the length of the inner mold 122 of the core tube mold 120 is greater than the length of the outer mold 121, that is, the inner mold 122 extends from the outer mold 121 along the axial direction of the core tube mold 120 toward the predetermined diameter frame 110, so that the core tube coming out of the predetermined diameter frame 110 can fit on the outer surface of the inner mold 122, thereby more easily entering the mold cavity between the outer mold 121 and the inner mold 122 without deviation.

[0073] like Figure 5 As shown, the cooling channel 127 is provided on the outer surface of the outer mold 121 and extends along the circumferential direction of the core tube mold 120 to form a ring. The cooling channel 127 is located between the heating section 123 and the cooling section 124 in the axial direction of the core tube mold 120, and the coolant flows in the cooling channel 127 to reduce the heat transferred from the heating section 123 to the cooling section 124. In this embodiment, the cooling channel 127 is provided in the middle position of the outer mold 121 in the axial direction of the core tube mold 120.

[0074] The heating section 123 is provided with a heating device (not shown), for example, the heating device is heated by resistance heating. The prepreg tape is heated in the heating section 123 to melt the first resin, so that the two prepreg tapes can form a complete core tube. Further, the inner wall of the outer mold 121 is provided with a first flow channel 1212 extending in the circumferential direction of the core tube mold 120 in the heating section 123. The first flow channel 1212 is used to store the first resin to make up for the defects of the prepreg tape passing through the heating section 123, and at the same time, the joint of the two prepreg tapes can also be supplemented to prevent the generation of gaps. Preferably, the first flow channel 1212 is constructed in an annular shape so that the outer surface of the core tube can be covered with the first resin. The core tube mold 120 includes a first glue injection tube 125. The first glue injection tube 125 is arranged on the outer wall of the outer mold 121 and is connected to the first flow channel 1212, so that the first resin is supplemented to the first flow channel 1212 through the first glue injection tube 125. Preferably, the diameter of the heating section 123 gradually decreases from upstream to downstream, so that the two prepreg tapes gradually approach each other during the melting process, so that the two prepreg tapes are more closely combined and the core tube formed has a smaller diameter.

[0075] The temperature of the cooling section 124 is lower than that of the heating section 123, so that the core tube is initially cooled and shaped in the cooling section 124. Further, the inner wall of the outer mold 121 is provided with a second flow channel 1213 extending in the circumferential direction of the core tube mold 120 in the cooling section 124. The second flow channel 1213 is connected to the drainage groove 1211, that is, the second flow channel 1213 has a second resin. Preferably, the second flow channel 1213 is configured as an annular shape so that the outer surface of the core tube can be covered with the second resin. The core tube mold 120 includes a second injection tube 126. The second injection tube 126 is arranged on the outer wall of the outer mold 121 and is connected to the second flow channel 1213, so that the second resin is supplemented to the second flow channel 1213 and the drainage groove 1211 through the second injection tube 126. The first injection tube 125 and the second injection tube 126 are arranged on both sides of the outer mold 121, so that the two are respectively injected with resin without affecting each other. The drainage groove 1211 extends from the second flow channel 1213 to the outlet of the mold cavity along the axial direction of the core tube mold 120, so that the core tube forms a rubber strip composed of the second resin on the outer surface when passing through the drainage groove 1211, and the rubber strip extends along the axial direction of the core tube. The thickness of the second resin at the rubber strip is greater than the thickness of the second resin at other positions on the outer surface of the core tube, and the rubber strip subsequently plays a major bonding role. Further, a plurality of drainage grooves 1211 are arranged at intervals along the circumferential direction of the core tube mold 120 to form more rubber strips on the outer surface of the core tube. Preferably, a plurality of drainage grooves 1211 are arranged equidistantly along the circumferential direction.

[0076] like Figure 1 As shown, the cooling device 130 can be constructed as a water cooling tank, and the core tube enters the water cooling tank for cooling and shaping after coming out of the core tube mold 120. The honeycomb core production equipment also includes a traction device 180 located between the cooling device 130 and the air-drying and slitting device 140. The traction device 180 can be constructed as a traction roller group, and the core tube after cooling and shaping is pulled and pushed into the air-drying and slitting device 140 by the traction roller group. The air-drying and slitting device 140 includes a blow pipe and a guillotine, and the blow pipe blows air toward the core tube from all sides to air-dry the core tube, and the guillotine is used to cut the core tube into fixed lengths. The honeycomb core production equipment also includes a stacking rack 170 located between the air-drying and slitting device 140 and the hot pressing and shaping device 150. The stacking rack 170 is used to stack the cut core tubes. The hot pressing shaping device 150 is provided with a heating mechanism and a pressurizing mechanism. Since the melting temperature of the second resin is lower than the melting temperature of the first resin, the second resin can be melted while the shape of the first resin does not change by adjusting the heating temperature of the heating mechanism. After the rubber strip on the outer surface of the core tube is melted, multiple core tubes are bonded together by pressurizing to form a honeycomb core. The honeycomb core production equipment also includes a cutting device 190 located downstream of the hot pressing shaping device 150. The cutting device 190 can be used to cut the shaped large honeycomb core into honeycomb core thin plates to facilitate the subsequent manufacture of honeycomb panels.

[0077] The second aspect of the present application discloses a honeycomb panel production system. The honeycomb panel production system includes a prepreg tape production device, the above-mentioned honeycomb core production device, a skin production device and a composite device. The prepreg tape production device is used to produce prepreg tapes, and the prepreg tapes include a first resin and continuous fibers. Specifically, the prepreg tape production device may include a yarn rack, a yarn unwinding rack, an impregnation mold and a traction and shaping roller group. The prepreg tape production device can use equipment in the prior art, which will not be repeated here. Two prepreg tape production devices are arranged upstream of the honeycomb core production device to provide two prepreg tapes to the honeycomb core production device. The two prepreg tape production devices can be arranged along the production direction, and each prepreg tape production device can be connected to a positioning rack 160. The prepreg tape produced by the upstream prepreg tape production device passes through the upper positioning roller of the positioning rack 160 from the upper part of the downstream prepreg tape production device to enter the predetermined diameter rack 110, and the prepreg tape produced by the downstream prepreg tape production device directly enters the predetermined diameter rack 110 through the lower positioning roller of the positioning rack 160. It should be understood that two prepreg tape production devices may also be arranged in parallel, and the two prepreg tapes produced may directly enter the predetermined diameter frame 110 through the two positioning rollers of the positioning frame 160 .

[0078] The skin production equipment is arranged in parallel with the honeycomb core production equipment, and the skin production equipment is used to produce the skin. The skin production equipment can use the prepreg tape to produce the skin, so the prepreg tape production equipment can be arranged upstream of the skin production equipment to provide the prepreg tape to the skin production equipment. In this embodiment, the honeycomb panel production system includes three prepreg tape production equipment, two of which are used to provide prepreg tapes to the honeycomb core production equipment, and the other prepreg tape production equipment is used to provide prepreg tapes to the skin production equipment. The skin production equipment also includes a cutting device, a hot pressing composite device and a winding device arranged downstream of the prepreg tape production equipment. The cutting device is used to cut the prepreg tape to a suitable size, the hot pressing composite device is used to hot press and composite multiple layers of prepreg tapes into a skin, and the winding device is used to wind up the skin for standby use.

[0079] The composite equipment is located downstream of the honeycomb core production equipment and the skin production equipment, and is used to make the honeycomb core and the skin into a honeycomb panel. Specifically, the composite equipment includes an unwinding device, a layer laying rack, a hot pressing composite device, a guiding device and a cutting device. The unwinding device is used to unfold the skin, and the layer laying rack is used to lay the skin on the upper and lower surfaces of the honeycomb core respectively. The hot pressing composite device is used to hot press the honeycomb core and the skin into a honeycomb panel, so that the continuous fibers in the honeycomb core are at least partially integrated into the skin to enhance the bonding strength of the honeycomb core and the skin, so that the honeycomb core and the skin are not easy to delaminate. The honeycomb panel enters the cutting device through the guiding device to be cut into appropriate sizes.

[0080] The honeycomb panel production system according to the present application is suitable for manufacturing the honeycomb core produced by the above-mentioned honeycomb core production equipment into a honeycomb panel, so as to improve the performance of the honeycomb panel.

[0081] Unless otherwise defined, the technical and scientific terms used herein have the same meaning as those generally understood by those skilled in the art of the present application. The terms used herein are only for describing specific implementation purposes and are not intended to limit the present application. The features described herein in one embodiment may be applied to another embodiment individually or in combination with other features, unless the feature is not applicable or otherwise specified in the other embodiment.

[0082] The present application has been illustrated through the above-mentioned embodiments, but it should be understood that the above-mentioned embodiments are only for the purpose of example and explanation, and the present application is not limited to the above-mentioned embodiments. According to the teachings of the present application, more variations and modifications can be made, and these variations and modifications all fall within the scope of protection claimed by the present application.

Claims

1. A honeycomb core production equipment, characterized in that: include: A pre-sizing frame, the pre-sizing frame comprising a bending assembly, the bending assembly comprising two sizing rollers, the two sizing rollers are configured as arcs with openings facing each other, the two sizing rollers are used to bend two prepreg tapes respectively, the prepreg tapes comprising a first resin; A core tube mold, the core tube mold is located downstream of the predetermined diameter frame, the core tube mold comprises an outer mold and an inner mold spaced apart in a radial direction of the core tube mold, a mold cavity is formed between the outer mold and the inner mold, the mold cavity comprises a heating section located upstream and a cooling section located downstream, an inner wall of the outer mold is provided with a drainage groove in the cooling section, the drainage groove is used to store a second resin, and the melting temperature of the second resin is lower than the melting temperature of the first resin; A cooling device, located downstream of the core tube mold, for shaping the core tube; An air-drying and slitting device, located downstream of the cooling device, for air-drying and slitting the core tube to a fixed length; as well as A hot pressing and shaping device is located downstream of the air-drying and slitting device and is used to melt the second resin on the outer surface of the core tube so as to hot-press and bond a plurality of the core tubes into a honeycomb core.

2. The honeycomb core production equipment according to claim 1, characterized in that: A plurality of groups of the bending assemblies are arranged along the production direction, and the curvature of the sizing rollers of the bending assemblies gradually increases from upstream to downstream.

3. The honeycomb core production equipment according to claim 1, characterized in that: The inner wall of the outer mold is provided with a first flow channel extending along the circumferential direction of the core tube mold in the heating section, and the first flow channel is used for storing a first resin.

4. The honeycomb core production equipment according to claim 3, characterized in that: The core tube mold comprises a first glue injection tube, which is arranged on the outer wall of the outer mold and connected to the first flow channel.

5. The honeycomb core production equipment according to claim 1, characterized in that: The inner wall of the outer mold is provided with a second flow channel extending along the circumferential direction of the core tube mold in the cooling section, and the second flow channel is connected to the drainage groove.

6. The honeycomb core production equipment according to claim 5, characterized in that: The core tube mold includes a second glue injection tube, which is arranged on the outer wall of the outer mold and connected to the second flow channel.

7. The honeycomb core production equipment according to claim 5, characterized in that: The guide groove extends from the second flow channel to the outlet of the mold cavity along the axial direction of the core tube mold.

8. The honeycomb core production equipment according to claim 6, characterized in that: The plurality of drainage grooves are arranged at intervals along the circumferential direction of the core tube mold.

9. The honeycomb core production equipment according to claim 1, characterized in that: The diameter of the heating section of the mold cavity gradually decreases from upstream to downstream.

10. The honeycomb core production equipment according to any one of claims 1 to 9, characterized in that: It also includes a positioning frame, which is located upstream of the predetermined diameter frame, and includes two positioning rollers spaced apart in the vertical direction.

11. The honeycomb core production equipment according to any one of claims 1 to 9, characterized in that: It also includes a stacking frame, which is located between the air-drying and slitting device and the hot pressing and shaping device and is used for stacking the core tubes after slitting.

12. A honeycomb panel production system, characterized in that: include: Prepreg tape production equipment, the prepreg tape production equipment is used to produce prepreg tape; The honeycomb core production equipment according to any one of claims 1 to 11; Skin production equipment, the skin production equipment and the honeycomb core production equipment are arranged in parallel, and the skin production equipment is used to produce skin; as well as A composite device is located downstream of the honeycomb core production device and the skin production device, and is used to make the honeycomb core and the skin into a honeycomb panel.

13. The honeycomb panel production system according to claim 12, characterized in that: The two prepreg tape production devices are arranged upstream of the honeycomb core production device, and are used to provide the two prepreg tapes to the honeycomb core production device.

14. The honeycomb panel production system according to claim 12, characterized in that: The prepreg tape production equipment is arranged upstream of the skin production equipment, and is used to provide the prepreg tape to the skin production equipment.

15. The honeycomb panel production system according to claim 12, characterized in that: The composite equipment comprises a hot-pressing composite device for hot-pressing and composite the honeycomb core and the skin into the honeycomb panel, so that the continuous fibers in the honeycomb core are at least partially integrated into the skin.

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