CN207736836U

CN207736836U - A kind of curved surface honeycomb core plate

Info

Publication number: CN207736836U
Application number: CN201820041225.5U
Authority: CN
Inventors: 石小平; 李璐璐; 张永亮; 杨自燕; 贾娜; 孙松强
Original assignee: Chengdu Union Aviation Technology Co Ltd
Current assignee: Chengdu Union Aviation Technology Co Ltd
Priority date: 2018-01-10
Filing date: 2018-01-10
Publication date: 2018-08-17
Anticipated expiration: 2028-01-10

Abstract

The utility model is related to air equipment fields, and in particular to a kind of curved surface honeycomb core plate.This curved surface honeycomb core plate includes the first surface and second surface being oppositely arranged, and curved surface honeycomb core plate includes multiple core walls, and core wall is between first surface and second surface；The top edge of core wall intersects with first surface, and the lower edge of core wall intersects with second surface；First surface intersects with core wall in the first point of intersection, and first surface is the first normal in the normal of the first point of intersection, and the angular range of core wall and the first normal is 0 ° to 10 °.Angle between the core wall and first surface of this curved surface honeycomb core plate is relatively large, so as to improve its stability under stress condition.

Description

A kind of curved surface honeycomb core plate

Technical field

The utility model is related to a kind of air equipment, especially a kind of curved surface honeycomb core plate.

Background technology

In the prior art, the processing method of curved surface honeycomb core plate is processed using machine cut.Pass through this processing method When processing curve honeycomb core plate, the volume of raw material needed is larger, and material removal is more, be easy to cause the waste of material, in addition, logical Cross the curved surface honeycomb core plate of machining formation, the direction of core wall and the angle on surface are acute angle (please refer to Fig.1 and Fig. 2), When curved surface honeycomb core plate is under pressure, it is easy to cause caving in for honeycomb core, reduces the compressive property and stability of honeycomb core.

Utility model content

The goal of the invention of the utility model is：In view of the problems of the existing technology, a kind of curved surface honeycomb core plate is provided.

To achieve the goals above, the technical solution adopted in the utility model is：

A kind of curved surface honeycomb core plate, including the first surface and second surface that are oppositely arranged, curved surface honeycomb core plate include more A core wall, core wall surround honeycomb core bore, and core wall is between first surface and second surface；

The top edge of core wall intersects with first surface, and the lower edge of core wall intersects with second surface；

First surface intersects with core wall in the first point of intersection, and first surface is the first normal in the normal of the first point of intersection, The angular range of core wall and the first normal is 0 ° to 10 °.

Angle between the core wall and first surface of this curved surface honeycomb core plate is relatively large, so as to improve its by Stability under the conditions of power.

As the preferred embodiment of the utility model, core wall and the first normal are coplanar.

Further, core wall and the first normal are coplanar, i.e.,：The angle of the tangent line of core wall and first surface reaches 90 °, makes bee The force stability of nest core plate reaches preferable state.

As the preferred embodiment of the utility model, it is bent by roller machine by planar honeycomb core plate.

This curved surface honeycomb core plate is machined by roller, processing method is simple, need not be done to process equipment any Transformation and design, save material.

As the preferred embodiment of the utility model, material is the metal with plasticity.

As the preferred embodiment of the utility model, material is aluminium.

The material of curved surface honeycomb core plate is aluminium, and aluminium has higher plasticity, and the density of aluminium is relatively low, is conducive to curved surface honeycomb The weight of core plate can reduce.

In conclusion by adopting the above-described technical solution, the utility model has the beneficial effects that：

Description of the drawings

Fig. 1 is the structural schematic diagram of prior art mean camber honeycomb core plate.

Fig. 2 is the side view of curved surface honeycomb core plate in the prior art.

Fig. 3 is the structural schematic diagram of planar honeycomb core plate.

Schematic diagram when Fig. 4 is bending roll machine processing curve honeycomb core.

Fig. 5 is the structural schematic diagram of curved surface honeycomb core plate provided by the utility model.

Icon：1- curved surface honeycomb core plates；11- first surfaces；12- second surfaces；13- core walls；The first normals of 15-；2- is flat Face honeycomb core plate；3- bending roll machines；The first side rollers of 31-；The second side rollers of 32-；The centers 33- side roller；34- datum lines.

Specific implementation mode

Below in conjunction with the accompanying drawings, the utility model is described in detail.

In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only explaining this Utility model is not used to limit the utility model.

Embodiment

Fig. 3 is please referred to Fig. 5.Present embodiments provide a kind of curved surface honeycomb core plate 1.This curved surface honeycomb core plate 1 passes through Bending roll machine 3 is made.Specifically, bending roll machine 3 is three-roller bending machine 3, which includes breast roll, the first side roller 31 and second side roller 32.Breast roll, the first side roller 31 and the second side roller 32 can be close to each other or separate.

The curved surface honeycomb core plate 1 is processed by processing method and obtained, which includes the following steps：

S1. one end of planar honeycomb core plate 2 is put between breast roll and the first side roller 31；

S2. make breast roll and the first side roller 31 adjacent to each other, and pressure is applied to planar honeycomb core plate 2；

S3. it rotates breast roll and/or the first side roller 31, and drives planar honeycomb core plate 2 to the direction of the second side roller 32 It is mobile.

Step S1, S2 and S3 is carried out successively.

Further, further comprising the steps of before step S1:

S11. processing obtains planar honeycomb core.

Specifically, in step s 11, planar honeycomb core plate 2 is obtained by machining.

Further, the first side roller 31, the second side roller 32 form isosceles triangle with breast roll.First side roller 31 and center The distance of roller is equal to the second side roller 32 at a distance from breast roll.Line on the basis of line between first side roller 31 and the second side roller 32 34, breast roll can along perpendicular to the direction of datum line 34 closer or far from datum line 34.

In step s 2, make breast roll edge perpendicular to the direction of datum line 34 close to datum line 34.

Further, the first side roller 31 and the second side roller 32 can be close to each other or separate along the direction of datum line 34.

It is further comprising the steps of before step S1：

S12. the distance between breast roll and datum line 34 are adjusted；

S13. the first side roller 31 is adjusted at a distance from the second side roller 32.

In step s3, make 31 uniform rotation of breast roll and/or the first side roller.

In step s3, breast roll and/or the first side roller 31 slowly run.Specifically, breast roll and/or the first side roller Linear velocity ranging from 0.05m/s to 0.1m/s.

Curved surface honeycomb core plate 1 provided by the utility model includes the first surface 11 being oppositely arranged and second surface 12, song Face honeycomb core plate 1 includes multiple core walls 13, and core wall 13 surrounds honeycomb core bore, and core wall 13 is located at first surface 11 and second surface 12 Between；

The top edge of core wall 13 intersects with first surface 11, and the lower edge of core wall 13 intersects with second surface 12；

First surface 11 intersects with core wall 13 in the first point of intersection, and first surface 11 is first in the normal of the first point of intersection The angular range of normal 15, core wall 13 and the first normal 15 is 0 ° to 10 °.

Preferably, core wall 13 and the first normal 15 are coplanar.

Preferably, it is bent by bending roll machine 3 by planar honeycomb core plate 2.

Preferably, the material of curved surface honeycomb core plate 1 is the metal with plasticity.

Preferably, the material of curved surface honeycomb core plate 1 is aluminium.

Obviously, in the other embodiment of the utility model, the material of curved surface honeycomb core plate 1 can also be iron, copper etc. Other materials.

The advantageous effect of curved surface honeycomb core plate 1 provided by the utility model is：

This curved surface honeycomb core plate 1 by bending roll machine 3 roll bending by obtain, core wall 13 thereon and first surface 11 and the second table Face 12 is vertical, and compared with prior art, the core wall 13 of this curved surface honeycomb core plate 1 is not easy lodging deformation, therefore with larger Compressive property and stability；

Compared with prior art, in the process of this curved surface honeycomb core plate 1, required blank is less, processing Difficulty is relatively low, reduces the processing cost of curved surface honeycomb core plate 1.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this All any modification, equivalent and improvement etc., should be included in the utility model made by within the spirit and principle of utility model Protection domain within.

Claims

1. a kind of curved surface honeycomb core plate, which is characterized in that including the first surface and second surface being oppositely arranged, the curved surface bee Nest core plate includes multiple core walls, and the core wall surrounds honeycomb core bore, the core wall be located at the first surface and second surface it Between；

The top edge of the core wall intersects with the first surface, the lower edge of the core wall and the second surface phase It hands over；

The first surface intersects with the core wall in the first point of intersection, normal of the first surface in first point of intersection For the first normal, the angular range of the core wall and first normal is 0 ° to 10 °.

2. curved surface honeycomb core plate according to claim 1, which is characterized in that the core wall and first normal are coplanar.

3. curved surface honeycomb core plate according to claim 1, which is characterized in that be bent by roller machine by planar honeycomb core plate It forms.

4. curved surface honeycomb core plate according to claim 1, which is characterized in that material is the metal with plasticity.

5. curved surface honeycomb core plate according to claim 4, which is characterized in that material is aluminium.