阅读说明：本技术 适用于复合材料筒类结构件缠绕成型的旋转轴 (Rotating shaft suitable for winding and forming composite material barrel structural member ) 是由 史文锋 刘艳 周栋 沈辉 吴文平 张霞 熊礽智 张菊萍 李翔宇 杨浩 叶周军 于 2020-11-30 设计创作，主要内容包括：本发明提供了一种适用于复合材料筒类结构件缠绕成型的旋转轴,包括中心轴、多根径向辐条、多根纵向辐条以及多根周向辐条,多根纵向辐条与中心轴平行并沿中心轴的周向布置形成1圈或依次形成多圈纵向辐条环,每圈纵向辐条环上相邻的两个纵向辐条通过周向辐条连接,纵向辐条与中心轴之间和/或相邻两圈纵向辐条环中相邻的两个纵向辐条之间通过径向辐条连接,多根径向辐条与周向辐条共同形成辐条支撑层,本发明中的旋转轴采用内圆外正多边形的笼式结构,与传统的整体轴相比,重量轻,既能保证旋转轴的强度和刚度,又能满足缠绕机的额定负荷要求；与分段轴相比,轴两端的同轴度由机加工保证,同轴度好,可免去安装时的两端同轴度调校。(The invention provides a rotating shaft suitable for winding and forming a composite material barrel structural member, which comprises a central shaft, a plurality of radial spokes, a plurality of longitudinal spokes and a plurality of circumferential spokes, wherein the plurality of longitudinal spokes are parallel to the central shaft and are arranged along the circumferential direction of the central shaft to form 1 circle or sequentially form a plurality of circles of longitudinal spoke rings; compared with the segmented shaft, the coaxiality of the two ends of the shaft is ensured by machining, the coaxiality is good, and the coaxiality adjustment of the two ends during installation can be omitted.)

1. A rotating shaft suitable for winding and forming a composite material barrel structural member is characterized by comprising a central shaft (1), a plurality of radial spokes (3), a plurality of longitudinal spokes (4) and a plurality of circumferential spokes (5);

the longitudinal spokes (4) are parallel to the central shaft (1) and are arranged along the circumferential direction of the central shaft (1) to form 1 circle or sequentially form a plurality of circles of longitudinal spoke rings, wherein every circle of the longitudinal spoke rings is connected with two adjacent longitudinal spokes (4) through circumferential spokes (5), and the longitudinal spokes (4) are connected with the central shaft (1) and/or two adjacent longitudinal spokes (4) in two adjacent circles of the longitudinal spoke rings through radial spokes (3);

the radial spokes (3) and the circumferential spokes (5) form a spoke support layer together, and the number of the spoke support layers is 1 or more.

2. The rotating shaft suitable for winding and forming the composite material barrel-like structure member according to claim 1, wherein the number of the longitudinal spoke rings is 1 or 2, and the number of the spoke support layers is 2-5.

3. The rotating shaft suitable for winding and forming of the composite material barrel type structural member as claimed in claim 1, wherein two ends of the central shaft (1) are used for being connected with a winding machine adapter, a flange (2) is installed at the end of the central shaft (1), two ends and the uppermost layer of the longitudinal spokes (4) are arranged on the upper side and the lowermost layer of the circumferential spokes (5) on the spoke supporting layer, mounting interface gaskets (7) are respectively installed on the lower sides of the circumferential spokes (5) on the spoke supporting layer, and mounting surfaces and mounting holes matched with an external structural member of a winding and forming die are formed in the mounting interface gaskets (7).

4. The rotating shaft suitable for winding and forming the composite material barrel-like structure member according to claim 3, wherein a wire thread insert is disposed inside the mounting hole.

5. The rotating shaft suitable for winding and forming the composite material barrel-like structure member according to claim 1, wherein the radial spokes (3) are provided with reinforcing ribs (6).

6. The rotating shaft for winding composite material tube-like structures according to claim 1, wherein the longitudinal spokes are arranged in a regular polygonal structure in cross section.

7. The rotating shaft for winding composite material tube-like structures according to claim 1, wherein the number of turns of the longitudinal spoke rings and the number of layers of the spoke support layers are determined by calculating the strength and rigidity of the rotating shaft.

8. The rotating shaft suitable for winding and forming the composite material barrel-like structure member according to claim 1, wherein the central shaft (1), the radial spokes (3), the longitudinal spokes (4) and the circumferential spokes (5) are made of aluminum alloy.

9. The rotating shaft suitable for winding and molding the composite material cylinder structural member according to claim 1, wherein the two end portions of the central shaft (1) are provided with interfaces which are assembled with a rotating shaft of a winding machine, and the length of the interfaces is 250 mm-300 mm and are subjected to wall thickness increasing treatment.

10. The rotating shaft suitable for winding and forming the composite material barrel-type structural member as claimed in claim 1, wherein the radial spokes (3), the longitudinal spokes (4) and the circumferential spokes (5) are made of profiles.

Technical Field

The invention relates to the field of composite material forming, in particular to a rotating shaft suitable for winding and forming a composite material barrel structural member.

Background

The rotating shaft is a necessary structural part of a composite material winding forming die, a small composite material product is formed, and in order to ensure the strength and rigidity of the shaft, a solid shaft made of steel 45 or Q235A is generally adopted; when the size is larger, a hollow shaft or a sectional type structure shaft is adopted to reduce the weight of the shaft. The sectional type structure, the both ends of axle are steel material, and the middle is other materials of low density, become a whole through welding or mechanical connection mode, but this kind of structural style inevitably will have axle both ends axiality error, bring the difficulty for timing, installation.

Patent document CN208650243U discloses an adopt fashioned prefabricated pump station barrel of winding technology integration, including base and glass steel cylinder, the base utilizes the mould prefabrication shaping, glass steel cylinder utilizes the integrative winding shaping of coiler on the base, the coiler includes two supports and rotation axis, the both ends of rotation axis correspond respectively and support the location on two supports, the side of rotation axis is equipped with puts the fine roller, the base suit is on the rotation axis of coiler, the one end and the rotating electrical machines of rotation axis link to each other, it rolls up to be provided with glass fiber on the fine roller to put, the glass fiber that glass fiber rolled up twines the shaping repeatedly around the front end of base glass steel cylinder, but there is the drawback that the quality is heavy in this design.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a rotating shaft suitable for winding and forming a composite material barrel structural part.

The rotating shaft suitable for winding and forming the composite material barrel structural member comprises a central shaft, a plurality of radial spokes, a plurality of longitudinal spokes and a plurality of circumferential spokes;

the plurality of longitudinal spokes are parallel to the central shaft and are arranged along the circumferential direction of the central shaft to form 1 circle or sequentially form a plurality of circles of longitudinal spoke rings, wherein two adjacent longitudinal spokes on each circle of longitudinal spoke ring are connected through circumferential spokes, and the longitudinal spokes are connected with the central shaft and/or two adjacent longitudinal spokes in two adjacent circles of longitudinal spoke rings through radial spokes;

the radial spokes and the circumferential spokes form a spoke support layer together, and the number of the spoke support layers is 1 or more.

Preferably, the number of the longitudinal spoke rings is 1 or 2, and the number of the spoke support layers is 2-5.

Preferably, the both ends of center pin are used for being connected with the coiler adapter, the flange is installed to the tip of center pin, both ends, the superiors of longitudinal spoke the upside, the lower floor of circumference spoke on the spoke supporting layer the installation interface gasket is installed respectively to the downside of circumference spoke on the spoke supporting layer, be equipped with on the installation interface gasket with winding forming die exterior structural component assorted installation face and mounting hole.

Preferably, a wire thread insert is arranged inside the mounting hole.

Preferably, the radial spokes are provided with reinforcing ribs.

Preferably, the longitudinal spoke rings are arranged in a regular polygonal structure in cross section.

Preferably, the number of turns of the longitudinal spoke rings and the number of layers of spoke support layers are determined by calculating the strength and stiffness of the rotating shaft.

Preferably, the central shaft, the radial spokes, the longitudinal spokes and the circumferential spokes are all made of aluminum alloy.

Preferably, interfaces assembled with the winding machine spindle are arranged at two ends of the central shaft, and the length of each interface is 250 mm-300 mm, and the interface is subjected to wall thickness increasing treatment.

Preferably, the radial spokes, the longitudinal spokes and the circumferential spokes are all made of profiles.

Compared with the prior art, the invention has the following beneficial effects:

1. the rotating shaft in the invention adopts a cage type structure with an inner circle and an outer regular polygon, compared with the traditional integral shaft, the weight is obviously reduced, the strength and the rigidity of the rotating shaft can be ensured, and the rated load requirement of a winding machine can be met; compared with the segmented shaft, the coaxiality of the two ends of the shaft is ensured by machining, the coaxiality of the two ends of the rotating shaft is good, and the coaxiality adjustment of the two ends during installation can be omitted.

2. The mounting interface of the invention can also change the connecting sheet, is suitable for the winding forming of other large-scale composite material barrel structural members with different sizes, and greatly increases the practicability of the invention.

3. The invention is convenient to assemble with an external structural member, and the rotating shaft can be conveniently taken out of the forming die after the cylinder structural member is wound and formed, so that the demoulding is convenient, and the processing procedure is simplified.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic structural diagram of the present invention.

The figures show that:

longitudinal spoke 4 reinforcing rib 6 of central shaft 1

Flange 2 circumferential spoke 5 mounting interface gasket 7

Radial spokes 3

Detailed Description

The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the invention, but are not intended to limit the invention in any way. It should be noted that it would be obvious to those skilled in the art that various changes and modifications can be made without departing from the spirit of the invention. All falling within the scope of the present invention.

Example 1:

the invention provides a rotating shaft suitable for winding and forming a composite material barrel-type structural member, which comprises a central shaft 1, a plurality of radial spokes 3, a plurality of longitudinal spokes 4 and a plurality of circumferential spokes 5, wherein the plurality of longitudinal spokes 4 are parallel to the central shaft 1 and are arranged along the circumferential direction of the central shaft 1 to form 1 circle or sequentially form a plurality of circles of longitudinal spoke rings, two adjacent longitudinal spokes 4 on each circle of longitudinal spoke ring are connected through the circumferential spokes 5, the longitudinal spokes 4 are connected with the central shaft 1 and/or two adjacent longitudinal spokes 4 in two adjacent circles of longitudinal spoke rings are connected through the radial spokes 3, the plurality of radial spokes 3 and the circumferential spokes 5 form a spoke supporting layer together, the number of the spoke supporting layer is 1 or more, in practical application, the number of the longitudinal spoke rings is 1 or 2, the number of the spoke supporting layers is set to 2-5.

Specifically, the both ends of center pin 1 are used for being connected with the coiler adapter, flange 2 is installed to the tip of center pin 1, vertical spoke 4's both ends, the superiors the upside, the lower floor of circumference spoke 5 on the spoke supporting layer installation interface gasket 7 is installed respectively to the downside of circumference spoke 5 on the spoke supporting layer, be equipped with on the installation interface gasket 7 with winding forming die exterior structural component assorted installation face and mounting hole, the inside steel wire swivel nut that is provided with of mounting hole.

Radial spoke 3, longitudinal spoke 4, circumference spoke 5 all adopt the section bar preparation, center pin 1, radial spoke 3, longitudinal spoke 4 and circumference spoke 5 all adopt the aluminum alloy material.

The number of turns of the longitudinal spoke rings and the number of layers of the spoke supporting layers are determined by calculating the strength and the rigidity of the rotating shaft, the number of the multiple sides of the regular polygon is determined by the structure of the composite material barrel product, and the assembly and the demolding of other external structural parts of the forming die are convenient.

Example 2:

the embodiment is a variation of embodiment 1, and the invention provides a rotating shaft suitable for winding and molding a composite material barrel-type structural member, which is characterized by comprising a central shaft 1, a plurality of radial spokes 3, a plurality of longitudinal spokes 4 and a plurality of circumferential spokes 5, wherein 2 rings of the longitudinal spokes are adopted, 3 layers of spoke supporting layers are adopted, and the longitudinal spoke rings are in a regular decagon shape.

Specifically, the cross-section that vertical spoke encircles is regular polygon's structural arrangement, and the overall structure of rotation axis is interior outer regular polygon's cage structure of circle, and the connection between center pin 1, flange 2, many radial spokes 3, many longitudinal spokes 4 and many circumference spokes 5 all adopts the welding.

The central shaft 1, the radial spokes 3, the longitudinal spokes 4 and the circumferential spokes 5 are all made of rustproof aluminum 5A02, wherein the radial spokes 3, the longitudinal spokes 4 and the circumferential spokes 5 are made of rectangular sectional materials, so that mounting interface gaskets and other process interface gaskets, such as welding surfaces for hoisting, assembling and the like, can be conveniently obtained.

The connector assembled with the winding machine transfer shaft is arranged at two end parts of the central shaft 1, the inner diameter of the connector is unchanged, the length of the connector is 250 mm-300 mm, the wall thickness is increased, after processing, the requirement of coaxiality of the two ends can be met, and the connector assembled with the winding machine transfer shaft is provided.

For the intensity of reinforcing whole rotation axis, be provided with strengthening rib 6 on the radial spoke 3, the strengthening rib further encircles connecting center axle 1, flange 2, radial spoke 3, longitudinal spoke 4, circumference spoke 5, strengthens the intensity and the rigidity of rotation axis 1.

The installation interface gasket welds the both ends at longitudinal spoke 4 and the top surface of circumference spoke 5, is equipped with the installation face and the mounting hole of winding forming die exterior structural component on the installation interface gasket, and the screw hole in the mounting hole is steel wire swivel nut mounting hole, and the screw thread processing back, the assembly steel wire swivel nut can avoid when using many times, the mashed problem of aluminum alloy material screw thread.

Mounting the interface gasket, mounting a connecting sheet on the mounting surface, and continuously connecting other external structural members of the winding forming die; the two ends of the central shaft 1 are connected with a machine tool adapter, fixed by a set screw and then connected with a winding machine, so that the winding forming of the large-scale composite material barrel structural member can be realized, and after the forming, the connecting sheet is detached, so that the rotating shaft can be conveniently taken out from a forming die.

In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.

The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.