CN105333021B - A kind of Z-pin coupling methods for being used for Carbon Fiber Composite Propeller Shaft and metal flange - Google Patents

A kind of Z-pin coupling methods for being used for Carbon Fiber Composite Propeller Shaft and metal flange Download PDF

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Publication number
CN105333021B
CN105333021B CN201510808222.0A CN201510808222A CN105333021B CN 105333021 B CN105333021 B CN 105333021B CN 201510808222 A CN201510808222 A CN 201510808222A CN 105333021 B CN105333021 B CN 105333021B
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China
Prior art keywords
carbon fiber
pin
metal flange
propeller shaft
fiber composite
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Expired - Fee Related
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CN201510808222.0A
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Chinese (zh)
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CN105333021A (en
Inventor
王晓光
任庆
胡业发
张锦光
丁国平
宋春生
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Wuhan University of Technology WUT
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Wuhan University of Technology WUT
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D1/00Couplings for rigidly connecting two coaxial shafts or other movable machine elements
    • F16D1/06Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end

Abstract

The present invention relates to a kind of for Carbon Fiber Composite Propeller Shaft and the Z pin coupling methods of metal flange, it is specifically:Carbon Fiber Composite Propeller Shaft (4) adds transition part Z pin sleeves (1) with metal flange (5) connection place, Carbon Fiber Composite Propeller Shaft (4) forms one with Z pin sleeves (1) by way of fiber winding, and cures together.Coupling method provided by the invention, it can realize the positive connection of carbon fiber driving shaft and metal flange, in the Carbon Fiber Composite Propeller Shaft course of work, Carbon Fiber Composite Propeller Shaft (4) transfers loads to Z pin sleeves (1), and Z pin sleeves (1) transfer loads to metal flange (5) by pin (6).The bearing capacity of carbon fiber driving shaft and metal flange connection place is drastically increased, gives full play to the performance of carbon fiber.The invention is highly practical, and carbon fibre composite can be promoted to be applied in the industries such as automobile, lathe.

Description

It is a kind of to couple for Carbon Fiber Composite Propeller Shaft with the Z-pin of metal flange Method
Technical field
It is particularly a kind of compound for carbon fiber the present invention relates to carbon fibre composite Element Design manufacturing technology field The Z-pin coupling methods of material transmission shaft and metal flange.
Background technology
At present, it is excellent that resin-based carbon fiber composite light weight, specific strength are big, specific modulus is big, thermal coefficient of expansion is small etc. Property makes it gradually occupy the proportion of bigger in directions such as loss of weight, dampings, it not only in terms of the new and high technologies such as Aeronautics and Astronautics, and And also begin to be widely used at the civilian aspect such as automobile, building, medical treatment.Transmission shaft occupies core in mechanical engineering part , in order to meet the needs of intensity, rotating speed, vibration etc. higher standard, partly there is the life of the transmission shaft of particular/special requirement in status Production material has started from traditional material transition to be excellent carbon fibre composite.
It need to be coupled using carbon fiber material transmission shaft with metal flange to transmit moment of torsion, at present, common connecting mode has Glue connection, mechanical attachment (bolt-connection, rivet joint etc.), shaping connection, welding (soldering, diffusion welding (DW) etc.) etc..Glue connection Feature is not destroy fiber, avoids stress concentration, but glue connection bonding surface intensity is uneven, transmits the shearing that load depends on glue Intensity, it is little to transmit load;Mechanical attachment can transmit big load, and easy to load and unload, but mechanical attachment, which connects, can destroy fiber, exist Stress concentration, connection efficiency are low;Shaping connection processing and manufacturing is complicated;Welding needs surface preparation, complex process.In recent years Z- Pin enhancing technology applications are gradually extensive, but Z-pin connections enhancing is also used only nonmetallic Z-pin, is only applied to carbon fiber at present Between connection.To sum up, current connection form or complex process, or the excellent properties of carbon fiber can't be played completely.
The content of the invention
The technical problems to be solved by the invention are:In order to overcome existing Carbon Fiber Composite Propeller Shaft and metal flange The deficiency of connection, passes through Z-pin sleeves and aciculiform metal Z-pin, there is provided for Carbon Fiber Composite Propeller Shaft and metal method Blue Z-pin coupling methods, to ensure the continuity of fiber, and can transmit more large torque, improve carbon fiber driving shaft Coupling reliability between metal flange.
The technical solution adopted by the present invention to solve the technical problems is:
Provided by the present invention for Carbon Fiber Composite Propeller Shaft and the Z-pin coupling methods of metal flange, it is specifically: Carbon Fiber Composite Propeller Shaft adds transition part Z-pin sleeves with metal flange connection place, and carbon fibre composite passes Moving axis forms one with Z-pin sleeves by way of fiber winding, and cures together.This method can be twined with existing fiber Winding technologe and equipment, manufacture cost is low, and taper Z-pin sleeves and mandrel transition head make winding process simple, it can be achieved that automating.
The Z-pin sleeves, the welding of its surface or interference fit implantation aciculiform metal Z-pin, so that carbon fiber twines Around when be adjacent to Z-pin sleeves and coat Z-pin, the contact surface of increase carbon fiber and Z-pin sleeves.
The Z-pin sleeves, its outer surface are taper, and carbon fiber can be made smoothly to be transitioned into Z-pin sleeves from mandrel.
The Z-pin sleeves, it is realized in mandrel end by mandrel transition head and positions, by fiber in winding process Automatic-clamping is realized to the pressure of the conical surface of Z-pin sleeves.
There are multiple axial pin holes in the Z-pin sleeves, its end face, couple to be realized by pin with metal flange.
The mandrel transition head, the seam allowance on mandrel is positioned at equipped with the mandrel transition head is enable.
The mandrel transition head, equipped with the spherical transition face for enabling carbon fiber natural commutation in winding process.
The mandrel transition head, equipped with easy to cut cure after carbon fiber cutting groove.Successively may be used vertically after cutting Mandrel transition head, mandrel are separated, to realize the demoulding of Carbon Fiber Composite Propeller Shaft.
The present invention side that Carbon Fiber Composite Propeller Shaft is wound with Z-pin sleeves by fiber during connecting process Formula forms one, and cures together.
Above-mentioned coupling method provided by the invention, enables carbon fiber driving shaft to transmit more large torque, improves carbon fibre The reliability that dimension transmission shaft couples with metal flange, promotes application of the carbon fibre transmission shaft in automobile, machine industry.
Compared with prior art, the present invention mainly there is the advantages of following:
1. not destroying fiber continuity, the excellent properties of carbon fibre material can be given full play to.
2. in the Carbon Fiber Composite Propeller Shaft course of work, Carbon Fiber Composite Propeller Shaft is not straight with metal flange Transmission load is connect, Carbon Fiber Composite Propeller Shaft transfers loads to Z-pin sleeves, and Z-pin sleeves are passed load by pin Metal flange is delivered to, can improve carbon fiber driving shaft and metal flange connection place bears load-carrying ability, so as to more play The excellent properties of carbon fiber.
3. in technical process, Carbon Fiber Composite Propeller Shaft is formed with Z-pin sleeves by way of fiber winding One, and cure together.This method can use existing pressure stochastic distribution and equipment, and manufacture cost is low, taper Z-pin sleeves Make winding process simple with mandrel transition head, it can be achieved that automation.
4. improving the reliability that carbon fiber driving shaft couples with metal flange, carbon fibre transmission shaft is promoted in automobile, machine Application in bed industry.
Brief description of the drawings
Fig. 1 is the structure diagram of Z-pin sleeve front views used in coupling method of the present invention.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is enlarged drawing at the I of Fig. 1.
Fig. 4 is enlarged drawing at the II of Fig. 1.
Fig. 5 is mandrel schematic diagram used in coupling method of the present invention.
Fig. 6 is the schematic diagram of mandrel transition head front view used in coupling method of the present invention.
Fig. 7 is the left view of Fig. 6.
Fig. 8 is the schematic diagram of flange front view used in coupling method of the present invention.
Fig. 9 is that Fig. 8 is left view.
Figure 10 is coupling method technical process of the present invention, Z-pin sleeve clampings schematic diagram after mandrel.
Figure 11 is coupling method technical process of the present invention, carbon fiber winding process schematic.
Figure 12 is coupling method technical process of the present invention, and carbon fiber winding finishes schematic diagram, carbon fibre composite transmission Axis and Z-pin sleeve shapeds are integral.
Figure 13 is coupling method technical process of the present invention, and Carbon Fiber Composite Propeller Shaft cures together with Z-pin sleeves, Then unnecessary carbon fiber schematic diagram is cut.
Figure 14 is coupling method technical process of the present invention, schematic diagram after the carbon fiber driving shaft demoulding with Z-pin sleeves.
Figure 15 is coupling method technical process of the present invention, metal flange and removes schematic diagram after the component assembling after mould.
In figure:1.Z-pin sleeves;2. mandrel;3. mandrel transition head;4. Carbon Fiber Composite Propeller Shaft;5. metal method It is blue;6. pin;11.Z-pin;12. the conical surface;13. pin hole;31. seam allowance;32. spherical transition face;33. cutting groove;41. carbon fiber wire; 51. pin hole.
Embodiment
The technical scheme is that:Carbon Fiber Composite Propeller Shaft is not directly contacted with metal flange, but is being joined One taper Z-pin sleeve transition part of place's increase is connect, wherein mandrel transition head makes Z-pin sleeves be positioned at mandrel end, so Afterwards wind carbon fiber, together cure, cut, removing mould, finally again with pin metal flange with going the component after mould to couple Come.This method can use existing pressure stochastic distribution and equipment, and manufacture cost is low.It is compound to be used for carbon fiber the present invention relates to one kind The Z-pin coupling methods of material transmission shaft and metal flange, it adds Z-pin sleeves and mandrel transition head in technical process Two parts.Z-pin sleeves are implanted into aciculiform metal Z-pin in its conical surface, carbon fiber can be made preferably to be transitioned into Z- from mandrel Pin sleeves and more big load can be transmitted, and make that mould is simplified, is easy to demould.Mandrel transition head has seam allowance, spherical transition region, cuts Cut the design features such as groove.Since the addition of taper Z-pin sleeves and mandrel transition head makes winding process simple, it can be achieved that automatic Change.
With reference to embodiment and attached drawing, the present invention is described in further detail.
In coupling method provided by the invention, Z-pin sleeves 1 have been used, have been that one kind is used to couple as shown in Figures 1 to 4 Metal flange 5 and the Z-pin sleeves of Carbon Fiber Composite Propeller Shaft 4, it is passed in metal flange 5 and carbon fibre composite The increased transition part in connection place of moving axis 4, connection place do not destroy carbon fiber continuity, improve coupling performance simulating.The set The welding of cylinder surface or interference fit type implanted metal Z-pin, to be adjacent to Z-pin sleeves during carbon fiber winding and to coat Z-pin, the contact surface of increase carbon fiber and Z-pin sleeves, more effectively transmits load;Its surface is taper, can make carbon fiber Z-pin sleeves smoothly are transitioned into from mandrel, makes mould simplified and is easy to demould.
There is the Z-pin11 of implantation on the Z-pin sleeves 1, its surface, are aciculiform, are adjacent to Z-pin sleeves and coat Z- Pin, the contact surface of increase carbon fiber and Z-pin sleeves, more effectively transmits load, its root diameter (RD), height, arranged distribution, Quantity is determined by the performance requirement of connection place.
The Z-pin sleeves 1, its conical surface 12 can make carbon fiber smoothly be transitioned into Z-pin sleeves from mandrel, simplify mould And be easy to demould, conical surface roughness is glued optimal roughness requirement design by common, and conical degree of conical surface presses the ruler of the permission of connection place Very little parameter request design, the conical surface scribbles glue, further to increase bond strength.
There are pin hole 13 vertically in the Z-pin sleeves 1, its end face, couple to be realized by pin with metal flange, its Size, quantity are determined with distribution by the dimensional parameters of the permission of connection place and performance parameter requirement.
The Z-pin sleeves 1, Z-pin sleeves 1 and mandrel 2 are clearance fit, are easy to demould.
The Z-pin sleeves 1, its appearance and size are determined by Z-pin parameters, conical degree of conical surface, pin hole parameter.
The Z-pin sleeves 1 realize positioning by mandrel transition head 3, by fiber in fiber winding process to the sleeve The pressure of the conical surface realizes Automatic-clamping, and meeting forced direction should be perpendicular to the principle in positioning surface direction.
The mandrel 2, is welded by steel plate, and 1 clearance fit of Z-pin sleeves, and surface applies demoulding glue, easy to de- Mould, its appearance and size parameter are determined by carbon fiber driving shaft parameter and wrapping machine parameter.
The mandrel transition head 3, it makes Z-pin sleeves 1 axially have correct position, includes seam allowance 31, spherical transition 32 With the structure such as cutting groove 33.
The mandrel transition head 3, its seam allowance 31 can enable mandrel transition head be positioned on mandrel 2, due to winding power very little And the initial winding stage is only occurred in, realized so clamping by interference fit.
The mandrel transition head 3, its spherical transition face 32 enable carbon fiber natural commutation in winding process, realize automatic Change.
The mandrel transition head 3, its cutting groove 33 is easy for the carbon fiber that cutting is cured, so as to carry out releasing process.
The mandrel transition head 3, its appearance and size are determined by the dimensional parameters of Z-pin sleeves 1 and mandrel 2.
The Carbon Fiber Composite Propeller Shaft 4, thickness and ply parameter determine that other sizes parameter exists by load is transmitted Self-assembling formation in winding process.
The metal flange 5, size, the quantity of its axial pin hole 51 are consistent with Z-pin sleeve axial direction pin holes with being distributed, and press Dimensional parameters and the performance parameter requirement of the permission of connection place determine that remaining dimensional parameters is determined by external condition.
The metal flange 5, it is coupled by pin 6 with Z-pin sleeves 1.
During connecting process of the present invention, side that Carbon Fiber Composite Propeller Shaft and Z-pin sleeves are wound by fiber Formula forms one, and cures together, can reduce technique, reduce cost.
Coupling method provided by the invention, it uses following process metal flange 5 is passed with carbon fibre composite Moving axis 4 is fixedly connected, specific as follows:
A) on the Z-pin sleeves 1 and 3 clamping of mandrel transition head processed on request to mandrel 2, component a is formed.Wherein Mandrel 2 and 1 clearance fit of Z-pin sleeves, mandrel 2 and mandrel transition head 3 are interference fitted, and releasing agent are scribbled on mandrel 2, easy to core Axis 2 is separated with other parts, as shown in Figure 10.
B) daub is applied on 1 conical surface 12 of Z-pin sleeves, component a is installed on wrapping machine, then will by transmission s function Ask and determine winding parameter, winding process is as shown in figure 11, after winding as shown in figure 12, forms component b.
C) component b is cured in autoclave, solidification process parameter is determined by transmission shaft functional requirement.After curing Cut at cutting groove 33, after cutting as shown in figure 13, form component c.
D) the mandrel transition head 3 at both ends and the carbon fiber layer that end is unnecessary are first separated from component c, then separates mandrel 2, Realize the demoulding, after the demoulding as shown in figure 14, form component d.
E) metal flange 5 is coupled with component d with pin 6, forms metal flange and the Z- of Carbon Fiber Composite Propeller Shaft Pin couples, as shown in figure 15.
The Z-pin sleeves that above-described embodiment provides, which raises the reliability that carbon fiber driving shaft couples with metal flange, Promote application of the carbon fibre transmission shaft in automobile, machine industry.

Claims (9)

1. it is a kind of for Carbon Fiber Composite Propeller Shaft and the Z-pin coupling methods of metal flange, it is characterized in that, carbon fiber is multiple Condensation material transmission shaft(4)With metal flange(5)Connection place adds transition part Z-pin sleeves(1), carbon fibre composite biography Moving axis(4)With Z-pin sleeves(1)One is formed by way of fiber winding, and is cured together;In carbon fibre composite In the transmission shaft course of work, Carbon Fiber Composite Propeller Shaft does not transmit load, carbon fibre composite directly with metal flange Transmission shaft transfers loads to Z-pin sleeves, and Z-pin sleeves transfer loads to metal flange by pin.
2. the Z-pin coupling methods according to claim 1 for being used for Carbon Fiber Composite Propeller Shaft and metal flange, its It is characterized in that the Z-pin sleeves(1), the welding of its surface or interference fit are implanted into aciculiform metal Z-pin, so as to carbon fiber Z-pin sleeves are adjacent to during winding(1)And Z-pin is coated, increase carbon fiber and Z-pin sleeves(1)Contact surface.
3. the Z-pin coupling methods according to claim 1 for being used for Carbon Fiber Composite Propeller Shaft and metal flange, its It is characterized in that the Z-pin sleeves(1), its outer surface is taper, and carbon fiber can be made smoothly to be transitioned into Z-pin sets from mandrel Cylinder.
4. the Z-pin coupling methods according to claim 1 for being used for Carbon Fiber Composite Propeller Shaft and metal flange, its It is characterized in that the Z-pin sleeves(1), there are multiple axial pin holes in its end face, couple to be realized by pin with metal flange.
5. the Z-pin coupling methods according to claim 1 for being used for Carbon Fiber Composite Propeller Shaft and metal flange, its It is characterized in that the Z-pin sleeves(1), it relies on mandrel transition head(3)Realize and position in mandrel end.
6. the Z-pin coupling methods according to claim 5 for being used for Carbon Fiber Composite Propeller Shaft and metal flange, its It is characterized in that the mandrel transition head(3)Equipped with the seam allowance positioned with mandrel end.
7. the Z-pin coupling methods according to claim 5 for being used for Carbon Fiber Composite Propeller Shaft and metal flange, its It is characterized in that the mandrel transition head(3), equipped with the spherical transition face for enabling carbon fiber natural commutation in winding process.
8. the Z-pin coupling methods according to claim 5 for being used for Carbon Fiber Composite Propeller Shaft and metal flange, its It is characterized in that the mandrel transition head(3), equipped with easy to cutting the cutting groove for the carbon fiber being cured;It can be realized after cutting The demoulding of Carbon Fiber Composite Propeller Shaft.
9. it is used for Carbon Fiber Composite Propeller Shaft and gold according to any claim in claim 1 to claim 8 Belong to the Z-pin coupling methods of flange, it is characterized in that the coupling method can improve that carbon fiber driving shaft couples with metal flange can By property.
CN201510808222.0A 2015-11-20 2015-11-20 A kind of Z-pin coupling methods for being used for Carbon Fiber Composite Propeller Shaft and metal flange Expired - Fee Related CN105333021B (en)

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CN106339523B (en) * 2016-06-24 2019-07-05 北京玻钢院复合材料有限公司 A kind of design method of large torque composite material transmission shaft structure
CN106545566B (en) * 2016-12-15 2019-03-15 重庆亿煊新材料科技有限公司 The moulding process of composite material transmission shaft and the composite material transmission shaft
CN106931028A (en) * 2017-02-27 2017-07-07 苏州市鑫渭机电修造有限公司 A kind of high-performance composite materials power transmission shaft
CN108626237A (en) * 2018-07-16 2018-10-09 淄博朗达复合材料有限公司 A kind of carbon fiber composite drive shafts and its processing method
CN109780044A (en) * 2019-01-22 2019-05-21 中国船舶重工集团公司第七0三研究所 A kind of fiber reinforcement resin radical compound material drive axle with metal flange
CN110131323A (en) 2019-06-06 2019-08-16 吉林大学 A kind of Carbon Fiber Composite Propeller Shaft central siphon joint structure
CN112727903A (en) * 2020-12-29 2021-04-30 连云港神鹰复合材料科技有限公司 Metal shaft head type carbon fiber composite transmission shaft
CN114439842A (en) * 2022-01-24 2022-05-06 厦门牢力实业有限公司 High-strength insulating transmission shaft for high-power wind driven generator and manufacturing method thereof

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