CN220409704U - Device for preparing carbon fiber protective sleeve - Google Patents

Abstract

The utility model discloses a device for preparing a carbon fiber protective sleeve, wherein the carbon fiber protective sleeve is applied to a rotor, the device comprises a plurality of carbon fiber unreeling pieces, a plurality of thermoplastic fiber unreeling pieces and a plurality of fiber position adjusting pieces, the carbon fiber unreeling pieces are used for storing carbon fibers and enabling the carbon fibers to be wound on the rotor through the fiber position adjusting pieces along with the rotation of the rotor, the thermoplastic fiber unreeling pieces are used for storing thermoplastic fibers and enabling the thermoplastic fibers to be wound on the rotor through the fiber position adjusting pieces along with the rotation of the rotor, and the fiber position adjusting pieces are used for adjusting the arrangement mode of the carbon fibers and the thermoplastic fibers on the rotor. The device provided by the utility model improves the production efficiency of the carbon fiber protective sleeve, enables the thermoplastic fibers and the carbon fibers to form close stack, and can change the arrangement mode of the carbon fibers and the thermoplastic fibers on the rotor through the fiber position adjusting piece, so that the physical and chemical properties of the carbon fiber protective sleeve are more excellent.

Description

Device for preparing carbon fiber protective sleeve

Technical Field

The utility model relates to the technical field of rotor processing equipment, in particular to a device for preparing a carbon fiber protective sleeve.

Background

At present, the motor gradually develops towards the directions of high efficiency, high power and high rotating speed, and the requirement on the power density of the motor is gradually increased. In order to avoid the rotor in the motor from being damaged due to centrifugal force when rotating at high speed, a layer of carbon fiber protective sleeve can be added on the outer side of the rotor, so that the rotor is protected.

At present, a mode of winding the rotor by the carbon fiber mainly adopts thermosetting epoxy resin as winding adhesive, and is formed by winding by impregnating thermosetting resin (such as liquid epoxy resin) or pre-preparing semi-cured carbon fiber prepreg and then heating and curing. The carbon fiber protective sleeve prepared by the method has low temperature resistance, and meanwhile, carbon fibers wound on the rotor are not tight enough, and certain roughness exists on the surface. In order to ensure certain tolerance requirements and roughness requirements, the surface is generally required to be polished, and the problems of discontinuous carbon fiber breakage, microcrack generation and the like are easily caused in the polishing process, so that the effective thickness and strength of the carbon fiber protective sleeve are reduced, the quality of the carbon fiber protective sleeve is seriously influenced, and the risks of breakage, flying wire, cracking and the like are easily caused when the rotor runs at a high speed. Moreover, the thermosetting resin needs to be cured at a high temperature, and the curing time is usually several hours, so that the production efficiency of the carbon fiber protective sleeve is greatly affected.

Disclosure of Invention

The utility model provides a device for preparing a carbon fiber protective sleeve, which is used for improving or solving at least one of the technical problems of polishing, low production efficiency and the like caused by the fact that a carbon fiber winding rotor is not compact to a certain extent.

The technical scheme adopted by the utility model is as follows:

an apparatus for preparing a carbon fiber protective sheath, wherein the carbon fiber protective sheath is applied to the rotor, the apparatus includes a plurality of carbon fiber unreels, a plurality of thermoplastic fiber unreels, and a plurality of fiber position adjustment members, the carbon fiber unreels with the thermoplastic fiber unreels are all located the fiber position adjustment member's the upper reaches, the carbon fiber unreels is used for storing carbon fiber and can make carbon fiber twine on the rotor through the fiber position adjustment member along with the rotation of rotor, the thermoplastic fiber unreels is used for storing thermoplastic fiber and can make thermoplastic fiber twine on the rotor through the fiber position adjustment member along with the rotation of rotor, the fiber position adjustment member is used for adjusting the mode of arranging carbon fiber and thermoplastic fiber on the rotor.

The device for preparing the carbon fiber protective sleeve has the following additional technical characteristics:

the fiber outlet positions of the plurality of fiber position adjusting members are in the same layer, so that the upstream carbon fibers and thermoplastic fibers are not layered after being adjusted by the fiber position adjusting members.

The fiber outlet positions of the plurality of fiber position adjusting members form different layers, so that the upstream carbon fibers and thermoplastic fibers are layered after being adjusted by the fiber position adjusting members.

The fiber outlet positions of the plurality of fiber position adjusting pieces are arranged in a matrix, so that carbon fibers output by the carbon fiber unreeling pieces and thermoplastic fibers output by the thermoplastic fiber unreeling pieces are arranged in a matrix, carbon fibers and thermoplastic fibers are arranged in any row in the matrix in an alternating manner, carbon fibers and thermoplastic fibers are arranged in any column in the matrix in an alternating manner, and carbon fibers and thermoplastic fibers are arranged in each column in the matrix in an alternating manner.

The fiber position adjusting piece enables the carbon fibers output by the carbon fiber unreeling piece and the thermoplastic fibers output by the thermoplastic fiber unreeling piece to be arranged in a cross mode in two fiber layers, and each fiber layer is formed by alternately arranging the carbon fibers and the thermoplastic fibers.

The fiber position adjusting member comprises a sleeve provided with fiber limiting holes for limiting carbon fibers and/or thermoplastic fibers.

The fiber position adjusting piece is provided with a universal joint or a sliding rail.

The device also comprises a heating device and a cooling device, wherein the heating device and the cooling device are respectively arranged on two opposite sides of the rotor in the radial direction, the heating device is used for heating the thermoplastic fibers wound on the rotor to a molten state, and the cooling device is used for cooling and solidifying the heated and melted thermoplastic fibers on the rotor.

The heating device is an infrared heater or a laser heater, and/or the cooling device is provided with a cooling flow passage extending towards the rotor.

The heating device and the cooling device are respectively provided with a surface structure which is opposite to the rotor and matches with the shape of the rotor.

Due to the adoption of the technical scheme, the utility model has at least the following technical effects:

1. according to the device for preparing the carbon fiber protective sleeve, the carbon fiber unreeling piece is used for storing carbon fibers and winding the carbon fibers onto the rotor through the fiber position adjusting piece along with rotation of the rotor, the thermoplastic fiber unreeling piece is used for storing thermoplastic fibers and winding the thermoplastic fibers onto the rotor through the fiber position adjusting piece along with rotation of the rotor, the plurality of carbon fiber unreeling pieces and the plurality of thermoplastic fiber unreeling pieces can simultaneously unreel so as to release the plurality of carbon fibers and the thermoplastic fibers, the rotor is simultaneously wound with a plurality of layers of fiber bundles, the production efficiency of the carbon fiber protective sleeve is greatly improved, and the proportion of the carbon fibers and the thermoplastic fibers can be adjusted at any time according to different requirements or working conditions, so that the device can be suitable for forming the carbon fiber protective sleeve of various types of rotors and is also beneficial to saving the consumption of the thermoplastic fibers; the fiber position adjusting piece is used for adjusting the arrangement mode of the carbon fibers and the thermoplastic fibers on the rotor, so that the proportion of each layer of carbon fibers and the thermoplastic fibers on the rotor can be adjusted, the consumption of the thermoplastic fibers is controlled, the thermoplastic fibers and the carbon fibers can be tightly piled up as much as possible, and then gaps among the carbon fibers can be filled with the thermoplastic fibers after the thermoplastic fibers are heated, the polishing process can be omitted, and adverse effects of polishing on cracks, broken filaments and the like of a carbon fiber protective sleeve are avoided.

2. As a preferred mode of this application, the play fine position of a plurality of fibre position adjustment spare is in same layer for carbon fiber and the thermoplastic fiber of upstream warp fibre position adjustment spare adjusts the back and does not delaminate, and then makes all have thermoplastic fiber on each layer of rotor, and it is more firm to bond after thermoplastic fiber melts and cools down between the carbon fiber in each layer, helps promoting the intensity and the life of carbon fiber protective sheath.

3. As a preferred mode of this application, the play fine position of a plurality of fibre position control spare forms different layers for carbon fiber and thermoplastic fiber of upstream are adjusted the back through fibre position control spare and are layered the superpose, and carbon fiber and thermoplastic fiber are located the different layers of rotor respectively promptly, then along with the rotation of rotor, and carbon fiber and thermoplastic fiber twine on the rotor step by step on different layers respectively, and rotor every round of rotation alright winding multilayer fiber helps promoting carbon fiber protective sheath production efficiency.

4. As a preferred mode of the application, the fiber outlet positions of the fiber position regulating members are arranged in a matrix, so that the carbon fibers and the thermoplastic fibers are arranged in a matrix, the carbon fibers and the thermoplastic fibers in each row in the matrix are alternately arranged, and the carbon fibers and the thermoplastic fibers in each column in the matrix are alternately arranged.

5. As a preferred mode of the application, the fiber position adjusting piece adjusts the carbon fibers and the thermoplastic fibers to form two fiber layers in a crossed arrangement, and each fiber layer is formed by alternately arranging the carbon fibers and the thermoplastic fibers, so that structures similar to warp and weft knitting can be formed when carbon fiber fibers of different layers are wound on the rotor, and the occurrence probability of cracking of the carbon fiber protective sleeve can be reduced.

6. As a preferred mode of this application, fibre position control spare includes the sleeve, and the sleeve is provided with the spacing hole of fibre that is used for spacing carbon fiber and/or thermoplastic fiber, and sleeve simple structure, with low costs, the spacing hole of fibre can supply the fibre to pass and spacing to the fibre for remove the sleeve and can change fibrous mode of arranging.

7. As a preferred mode of this application, universal joint or slide rail are installed to fibre position control spare, simple structure easily realizes the diversified regulation of fibre position to acquire more fibre arrangement modes.

8. As a preferred mode of the present application, the heating device and the cooling device are respectively arranged at two opposite sides of the rotor in the radial direction, the heating device is used for heating the thermoplastic fibers wound on the rotor to a molten state, the cooling device is used for cooling and solidifying the heated and melted thermoplastic fibers on the rotor, the heating device is used for heating the thermoplastic fibers on the rotor in situ, and the thermoplastic fibers are solidified on the rotor in situ through the cooling device, so that the problem that the thermoplastic fibers are not tightly wound when being rigidly lifted before being solidified and then wound on the rotor can be avoided as much as possible; in a circumference of rotor rotation, thermoplastic fiber is heated and melted by heating device first, then cooled and solidified by cooling device, has realized quick melting, quick solidification shaping effect, helps promoting the shaping efficiency of carbon fiber protective sheath.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:

fig. 1 is a schematic structural view of an apparatus and a rotor for manufacturing a carbon fiber protective sleeve according to the present utility model;

fig. 2 is a schematic structural diagram of an apparatus for manufacturing a carbon fiber protective sheath according to the present utility model;

fig. 3 is a schematic structural diagram of a device and a rotor for manufacturing a carbon fiber protective sleeve according to the present utility model;

fig. 4 is a schematic structural view of an apparatus for manufacturing a carbon fiber protective sleeve and a rotor according to the third embodiment of the present utility model;

fig. 5 is a schematic structural diagram of an apparatus for manufacturing a carbon fiber protective sleeve and a rotor according to the present utility model;

fig. 6 is a schematic diagram of a device for manufacturing a carbon fiber protective sleeve and a rotor according to the present utility model;

fig. 7 is a schematic structural diagram II of an apparatus for manufacturing a carbon fiber protective sheath according to the present utility model;

fig. 8 is a schematic diagram III of an apparatus for manufacturing a carbon fiber protective sheath according to the present utility model;

fig. 9 is a schematic structural diagram of an apparatus for manufacturing a carbon fiber protective sheath according to the present utility model;

fig. 10 is a schematic diagram showing a structure of an apparatus and a rotor for manufacturing a carbon fiber protective sleeve according to the present utility model.

List of parts and reference numerals:

1 rotor, 2 carbon fiber unreeling piece, 3 thermoplastic fiber unreeling piece, 4 fiber position adjusting piece, 5 carbon fiber, 6 thermoplastic fiber, 7 heating device, 8 cooling device.

Detailed Description

In order to more clearly illustrate the general inventive concept, a detailed description is given below by way of example with reference to the accompanying drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced in other ways than those described herein, and therefore the scope of the present utility model is not limited to the specific embodiments disclosed below.

In addition, in the description of the present utility model, it should be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", "transverse", "longitudinal", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; the device can be mechanically connected, electrically connected and communicated; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

In an embodiment of the utility model, an apparatus for preparing a carbon fiber protective sleeve is provided, wherein the carbon fiber protective sleeve is a structure formed by fusing and then cooling thermoplastic fibers after winding the carbon fibers and the thermoplastic fibers on a rotor, and connecting the carbon fibers together. For ease of illustration and understanding, the following description is provided in terms of the structure of the illustrated product. It will of course be appreciated by those skilled in the art that the above-described construction is provided as a specific example and illustrative only and is not intended to constitute a specific limitation on the scope of the utility model.

Referring to fig. 1 to 10, the present utility model provides an apparatus for manufacturing a carbon fiber protective cover, wherein the carbon fiber protective cover is applied to a rotor 1, the apparatus comprising a plurality of carbon fiber unreeling members 2, a plurality of thermoplastic fiber unreeling members 3, and a plurality of fiber position adjusting members 4. The carbon fiber unreeling piece 2 and the thermoplastic fiber unreeling piece 3 are both located upstream of the fiber position adjusting piece 4, the carbon fiber unreeling piece 2 is used for storing the carbon fiber 5 and can enable the carbon fiber 5 to be wound on the rotor 1 through the fiber position adjusting piece 4 along with the rotation of the rotor, and the thermoplastic fiber unreeling piece 3 is used for storing the thermoplastic fiber 6 and can enable the thermoplastic fiber 6 to be wound on the rotor 1 through the fiber position adjusting piece 4 along with the rotation of the rotor. The fiber position adjusting member 4 is used for adjusting the arrangement of the carbon fibers 5 and the thermoplastic fibers 6 on the rotor 1. For ease of understanding and distinction, the unwind drawn by the bold lines is schematically shown in fig. 1 to 9 as carbon fiber unwind 2 and the unwind not drawn by the bold lines is thermoplastic fiber unwind 3.

Specifically, each carbon fiber unreeling piece 2 may be made to correspond to one fiber position adjusting piece 4, and each thermoplastic fiber unreeling piece 3 also corresponds to one fiber position adjusting piece 4. The plurality of carbon fiber unreeling pieces 2 and the plurality of thermoplastic fiber unreeling pieces 3 can simultaneously unreel so as to release the plurality of carbon fibers 5 and the thermoplastic fibers 6, so that the rotor 1 is wound with a plurality of layers of fiber bundles simultaneously, and the production efficiency of the carbon fiber protective sleeve is greatly improved. And the ratio of the carbon fiber 5 to the thermoplastic fiber 6 can be adjusted according to different requirements or working conditions, so that the device can be suitable for forming the carbon fiber protective sleeves of the rotors 1 with various types, and the consumption of the thermoplastic fiber 6 can be saved. The fiber position adjusting piece 4 is used for adjusting the arrangement mode of the carbon fibers 5 and the thermoplastic fibers 6 on the rotor 1, so that the proportion of each layer of carbon fibers 5 and the thermoplastic fibers 6 on the rotor 1 can be adjusted, and the consumption of the thermoplastic fibers 6 is controlled; and the thermoplastic fibers 6 and the carbon fibers 5 can be tightly stacked as much as possible, so that the thermoplastic fibers 6 can be filled in gaps among the carbon fibers 5 after being heated, a polishing process is omitted, and adverse effects of polishing on cracks, broken filaments and the like of the carbon fiber protective sleeve are avoided.

For rotors of different types, the ratio of carbon fibers and thermoplastic fibers of the carbon fiber protective sleeve required by the rotors is different, and different requirements can be met by adjusting the configuration quantity and the arrangement sequence of the carbon fiber raw materials and the thermoplastic fiber raw materials on the unreeling piece. During specific manufacturing, the fiber position adjusting piece 4 can be moved to a fiber outlet position in advance, under the condition that the position of the rotor 1 is determined, the fiber outlet position corresponds to the arrangement mode of the carbon fibers 5 and the thermoplastic fibers 6, if the fiber outlet position changes, the arrangement mode of the carbon fibers 5 and the thermoplastic fibers 6 changes, therefore, the fiber outlet position of the fiber position adjusting piece 4 can be determined according to the preset arrangement mode of the carbon fibers 5 and the thermoplastic fibers 6, after the fiber position adjusting piece 4 is moved to the fiber outlet position, the carbon fibers 5 unreeled by the carbon fiber unreeled piece 2 and the thermoplastic fibers 6 unreeled by the thermoplastic fiber unreeled piece 3 are respectively fixed with the rotor 1 to be wound after passing through the fiber position adjusting piece 4, and then the rotor 1 is rotated, and the thermoplastic fibers 6 and the carbon fibers 5 can be wound on the rotor 1 according to the preset arrangement mode.

Specifically, the carbon fiber unreeling piece 2 and the thermoplastic fiber unreeling piece 3 may each adopt a roller structure, and the carbon fiber 5 and the thermoplastic fiber 6 are respectively wound on the rollers in the form of filament bundles to form the carbon fiber unreeling piece 2 and the thermoplastic fiber unreeling piece 3, however, the carbon fiber unreeling piece 2 and the thermoplastic fiber unreeling piece 3 may also have other suitable structures, which is not limited herein. The carbon fiber 5 may be a T300 carbon fiber, a T700 carbon fiber, a T800 carbon fiber, or the like, and the thermoplastic fiber 6 may be PVDF (polyvinylidene fluoride), PEI (polyetherimide), PPSU (polyphenylene sulfone resin), or the like.

Regarding the arrangement of the carbon fibers 5 and the thermoplastic fibers 6 on the rotor 1 adjusted by the fiber position adjusting member 4, the following examples are included, but are not limited thereto:

embodiment one: as shown in fig. 1 to 5, the fiber outlet positions of the plurality of fiber position adjusting members 4 are in the same layer, so that the upstream carbon fibers 5 and the thermoplastic fibers 6 are not layered after being adjusted by the fiber position adjusting members 4, each layer of the rotor 1 is provided with the thermoplastic fibers 6, and the carbon fibers 5 in each layer are bonded more firmly after the thermoplastic fibers 6 are melted and cooled, thereby being beneficial to improving the strength and the service life of the carbon fiber protective sleeve. In specific implementation, for the convenience of winding, the carbon fibers 5 and the thermoplastic fibers 6 can be aligned after being respectively regulated by the fiber position regulating member 4, that is, the carbon fibers 5 and the thermoplastic fibers 6 which are regulated by the fiber position regulating member 4 shown in fig. 1 to 5 are arranged in a manner of being parallel to each other and having no intersection point, the end parts of the carbon fibers 5 and the thermoplastic fibers 6 in one row are connected to the rotor 1, then the rotor 1 is made to rotate, and the carbon fiber unreeling member 2 and the thermoplastic fiber unreeling member 3 are driven in the rotating process of the rotor 1, so that the same-layer winding of the carbon fibers 5 and the thermoplastic fibers 6 is realized. Each layer of the formed carbon fiber protective sleeve is composed of carbon fibers 5 and thermoplastic fibers 6 in the same arrangement, and the carbon fibers 5 and thermoplastic fibers 6 can also be wound on the rotor 1 in different directions by adjusting the fiber position adjusting member 4, for example, the carbon fibers 5 and thermoplastic fibers 6 shown in fig. 3 are wound in a direction perpendicular to the axial direction of the rotor 1, and the carbon fibers 5 and thermoplastic fibers 6 shown in fig. 1, 4 and 5 are wound in other directions forming an angle with the axial direction of the rotor 1. It should be noted that, fig. 1 to 5 schematically illustrate an alternative arrangement in which two thermoplastic fibers 6 are disposed between every two carbon fibers 5, and other alternative arrangements may be used, for example, an alternative arrangement in which one thermoplastic fiber 6 is disposed between every two carbon fibers 5, and so on.

Embodiment two: as shown in fig. 6, the fiber-outlet positions of the plurality of fiber position adjusting members 4 form different layers, so that the upstream carbon fibers 5 and thermoplastic fibers 6 are layered and overlapped after being adjusted by the fiber position adjusting members 4, that is, the carbon fibers 5 and the thermoplastic fibers 6 are respectively positioned on different layers of the rotor 1, and then the carbon fibers 5 and the thermoplastic fibers 6 are respectively wound on the rotor 1 step by step on different layers along with the rotation of the rotor 1, so that the multi-layer fibers can be wound after each rotation of the rotor 1, thereby being beneficial to improving the production efficiency of the carbon fiber protective sleeve. Specifically, as shown in fig. 6, the start-winding point of the carbon fiber 5 guided by the fiber position adjuster 4 on the rotor 1 is located at the point S1, and the start-winding point of the thermoplastic fiber 6 guided by the fiber position adjuster 4 on the rotor 1 is located at the point S2. I.e. the two fibre position regulating members 4 are such that the intersection points of the carbon fibres 5 and the thermoplastic fibres 6, respectively, with the rotor 1 are at different points, so that during rotation of the rotor 1 the carbon fibres 5 and the thermoplastic fibres 6 will be wound successively, so that a clearer layering of the windings of each turn will occur. As shown in fig. 7, the fiber position adjusting member is shown with two layers of fiber positions, the thermoplastic fiber 6 is located at the upper layer and the carbon fiber 5 is located at the lower layer, however, it is also possible to locate the thermoplastic fiber 6 at the lower layer and the carbon fiber 5 at the upper layer, and the number of the thermoplastic fiber 6 and the carbon fiber 5 located at each layer is not limited, and may be two, three, four, or the like.

Embodiment III: as shown in fig. 8, the fiber-discharging positions of the plurality of fiber-position adjusting members 4 are arranged in a matrix such that the carbon fibers 5 outputted through the carbon fiber unreeling member 2 and the thermoplastic fibers 6 outputted through the thermoplastic fiber unreeling member 3 are arranged in a matrix, the carbon fibers 5 and the thermoplastic fibers 6 are arranged alternately in any one row in the matrix, the carbon fibers 5 and the thermoplastic fibers 6 are arranged alternately in each row, and the carbon fibers 5 and the thermoplastic fibers 6 are arranged alternately in each column in any one column in the matrix. It can be appreciated by those skilled in the art that, by adopting such an arrangement, after the carbon fibers 5 and the thermoplastic fibers 6 are wound on the rotor 1, the periphery of one carbon fiber 5 contacts with four thermoplastic fibers 6, so that the carbon fibers 5 are better coated by the thermoplastic fibers 6, the bonding force between any two adjacent layers of the carbon fiber protective sleeve is increased, and the strength and the service life of the carbon fiber protective sleeve are further improved.

Embodiment four: as shown in fig. 9, the fiber position adjusting member 4 adjusts the carbon fibers 5 outputted from the carbon fiber unreeling member 2 and the thermoplastic fibers 6 outputted from the thermoplastic fiber unreeling member 3 to be arranged in a two-layer fiber layer crossing manner, each fiber layer being composed of carbon fibers 5 and thermoplastic fibers 6 alternately arranged. It will be appreciated by those skilled in the art that with this arrangement, the different layers of carbon fibres 5 form a warp and weft like weave when wound onto the rotor 1, reducing the incidence of cracking of the carbon fibre protective sheath.

Regarding the structure of the fiber position adjusting member 4, in a preferred embodiment, the fiber position adjusting member 4 may be made to include a sleeve provided with fiber limiting holes for limiting the carbon fibers and/or the thermoplastic fibers. Specifically, the sleeve for limiting the carbon fibers and the sleeve for limiting the thermoplastic fibers can be arranged to be of the same structure, so that the sleeve is universal, the sleeve is simple in structure and low in cost, the carbon fibers or the thermoplastic fibers can pass through the fiber limiting holes and limit the passed fibers, and the arrangement mode of the fibers can be changed by moving the sleeve.

To facilitate the adjustment of the fibre position adjusting member 4 to the carbon fibres 5 and the thermoplastic limit, in a preferred embodiment the fibre position adjusting member 4 is provided with a universal joint or a sliding rail. The universal joint or the sliding rail is installed on the fiber position adjusting piece 4, so that the fiber position adjusting piece 4 can realize power transmission through the universal joint to move or slide through the horizontal sliding rail or the vertical sliding rail, the structure is simple, multidirectional adjustment of the fiber position is easy to realize, and more fiber arrangement modes are obtained.

As a preferred embodiment of the present utility model, as shown in fig. 1, the apparatus further comprises a heating means 7 and a cooling means 8, the heating means 7 and the cooling means 8 being provided on opposite sides of the rotor 1 in the radial direction, respectively, the heating means 7 being for heating the thermoplastic fibers 6 wound around the rotor 1 to a molten state, and the cooling means 8 being for cooling and solidifying the heated and melted thermoplastic fibers 6 on the rotor 1. The thermoplastic fiber 6 is heated on the rotor 1 in situ by adopting the heating device 7, and the thermoplastic fiber 6 is solidified on the rotor 1 in situ by adopting the cooling device 8, so that the problem of loose winding when the thermoplastic fiber 6 is wound on the rotor 1 after being solidified and then rigidly lifted can be avoided as far as possible; in a circumference of the rotor 1 rotation, the thermoplastic fiber 6 is heated and melted by the heating device 7, and then cooled and solidified by the cooling device 8, so that the effects of rapid melting and rapid solidification and forming are realized, and the forming efficiency of the carbon fiber protective sleeve is improved. As a preferred embodiment, the heating device 7 may be an infrared heater or a laser heater, and as another preferred embodiment, the cooling device 8 is provided with a cooling flow passage extending towards the rotor 1, and one or more cooling forms of liquid cooling or air cooling may be realized by introducing a liquid or gaseous medium into the cooling flow passage. The liquid medium can be cooling oil or water, and the gaseous medium can be gasified by liquid nitrogen.

As an alternative embodiment, the thermoplastic fibers may be heated and cooled in other ways, for example, after winding the carbon fibers and the thermoplastic fibers, transferring the rotor into a heating chamber, melting the thermoplastic fibers by a high temperature environment in the heating chamber, and removing the rotor from the heating chamber to cool the melted thermoplastic fibers naturally or in other ways.

Further, the heating means 7 and the cooling means 8 have surface structures facing the rotor 1 and matching the shape of the rotor 1, respectively. As shown in fig. 10, taking the structure of the rotor 1 having a cylindrical outer surface as an example, the surface structure of the heating device 7 and the cooling device 8 facing the rotor may be configured as an arc surface adapted to the cylindrical outer surface, the heat source of the heating device 7 and the cold source of the cooling device 8 may be disposed on the arc surface, and the arc surface may guide the heat medium released from the heat source of the heating device 7 and the cold medium released from the cold source of the cooling device 8 toward the rotor 1, thereby improving the heating and melting efficiency and the cooling efficiency of the thermoplastic fiber. Of course, other suitable surface configurations of the heating means 7 and the cooling means 8 may be adapted for other configurations of the rotor.

The utility model can be realized by adopting or referring to the prior art at the places which are not described in the utility model.

In this specification, each embodiment is described in a progressive manner, and identical and similar parts of each embodiment are all referred to each other, and each embodiment mainly describes differences from other embodiments.

The foregoing is merely exemplary of the present utility model and is not intended to limit the present utility model. Various modifications and variations of the present utility model will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are to be included in the scope of the claims of the present utility model.

Claims (10)

1. An apparatus for preparing a carbon fiber protective sheath, wherein the carbon fiber protective sheath is applied to the rotor, characterized in that, the apparatus includes a plurality of carbon fiber unreels, a plurality of thermoplastic fiber unreels, and a plurality of fiber position adjustment members, the carbon fiber unreels with the thermoplastic fiber unreels are all located the fiber position adjustment member's the upper reaches, the carbon fiber unreels is used for storing carbon fiber and can make carbon fiber twine on the rotor through the fiber position adjustment member along with the rotation of rotor, the thermoplastic fiber unreels is used for storing thermoplastic fiber and can make thermoplastic fiber twine on the rotor through the fiber position adjustment member along with the rotation of rotor, the fiber position adjustment member is used for adjusting carbon fiber and thermoplastic fiber's arrangement on the rotor.

2. The apparatus for manufacturing a carbon fiber protective sheath according to claim 1, wherein the fiber-discharging positions of the plurality of fiber position regulating members are in the same layer so that the upstream carbon fiber and thermoplastic fiber are not layered after being regulated by the fiber position regulating members.

3. The apparatus for manufacturing a carbon fiber protecting jacket according to claim 1, wherein the fiber-discharging positions of the plurality of fiber position regulating members are formed in different layers such that the upstream carbon fibers and thermoplastic fibers are layered after being regulated by the fiber position regulating members.

4. The apparatus for manufacturing a carbon fiber protective sheath according to claim 1, wherein the fiber-discharging positions of the plurality of fiber-position regulating members are arranged in a matrix such that the carbon fibers outputted through the carbon fiber unreeling member and the thermoplastic fibers outputted through the thermoplastic fiber unreeling member are arranged in a matrix, the carbon fibers and the thermoplastic fibers are alternately arranged in each row and the carbon fibers and the thermoplastic fibers are alternately arranged in each column, and the carbon fibers and the thermoplastic fibers are alternately arranged in each column.

5. The apparatus for manufacturing a carbon fiber protective sheath according to claim 1, wherein the fiber position adjusting member makes the carbon fiber outputted from the carbon fiber unreeling member and the thermoplastic fiber outputted from the thermoplastic fiber unreeling member be arranged in two fiber layers alternately, each fiber layer being composed of carbon fibers and thermoplastic fibers alternately.

6. An apparatus for preparing a carbon fiber protective sleeve according to claim 1, characterized in that the fiber position adjusting member comprises a sleeve provided with fiber limiting holes for limiting carbon fibers and/or thermoplastic fibers.

7. The apparatus for preparing a carbon fiber protective sheath according to claim 1, wherein the fiber position adjusting member is mounted with a universal joint or a slide rail.

8. The apparatus for manufacturing a carbon fiber protective sheath according to claim 1, further comprising a heating means for heating the thermoplastic fiber wound around the rotor to a molten state and a cooling means for cooling and solidifying the heated and melted thermoplastic fiber on the rotor, which are provided on two opposite sides of the rotor in a radial direction, respectively.

9. An apparatus for making a carbon fiber protective sleeve according to claim 8, wherein the heating means is an infrared heater or a laser heater and/or the cooling means is provided with cooling channels extending towards the rotor.

10. An apparatus for preparing a carbon fiber protective sleeve according to claim 9, wherein the heating means and the cooling means each have a surface structure facing the rotor and matching the shape of the rotor.