CN104890223A - Carbon fiber cloth winding forming device for small-diameter shaft products and method for machining same - Google Patents
Carbon fiber cloth winding forming device for small-diameter shaft products and method for machining same Download PDFInfo
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- CN104890223A CN104890223A CN201510344867.3A CN201510344867A CN104890223A CN 104890223 A CN104890223 A CN 104890223A CN 201510344867 A CN201510344867 A CN 201510344867A CN 104890223 A CN104890223 A CN 104890223A
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Abstract
The invention discloses a carbon fiber cloth winding forming device for small-diameter shaft products and a method for machining the same. The carbon fiber cloth winding forming device comprises a mandrel, clamp rings, a front barrier and a rear barrier. The front barrier and the rear barrier sleeve the mandrel; a carbon fiber cloth winding section of the mandrel is formed between the front barrier and the rear barrier; a bushing in the shape of a cone cylinder and a throat liner sleeve the carbon fiber cloth winding section; the throat liner comprises a throat, a first conical section and a second conical section, the throat sleeves the mandrel, the first conical section sleeves a transition conical surface, and the second conical section sleeves an outer conical surface of the bushing; an end surface of the bushing is in contact with the side walls of the rear barrier; corresponding stress surfaces can be respectively formed between the first conical section and the transition conical surface, between the second conical section and the outer conical surface of the bushing and between the end surface of the bushing and the side walls of the rear barrier when carbon fiber cloth is formed by means of winding. The carbon fiber cloth winding forming device and the method have the advantage that the problem of bending deformation or breakage of mandrels of winding mechanisms due to clamping force and tensioning force of carbon fiber cloth when components of small-diameter long hole products are wound can be solved by the aid of the carbon fiber cloth winding forming device and the method.
Description
Technical field
The present invention relates to the method for the Wrapping formed device of a kind of small diameter shaft series products carbon cloth and working shaft-like product, the carbon fiber reinforced polymers being particularly useful for minor diameter elongated hole axis products is Wrapping formed.
Background technology
In the prior art, Wiring apparatus is generally engine lathe, and common wind adaptability is little, can only coiling diameter comparatively large, the axis products that draw ratio is little, but for the winding of minor diameter elongated hole axis products, common winding mechanism then cannot complete.Existing minor diameter mandrel 1 comprises axis body, one end of axis body is large end, and the other end is small end, and the large end place of axis body has draw-in groove, axis body small end place has the transition conical surface, with reference to Fig. 9, adopt common winding mechanism, snap ring 2,3 are stuck on the draw-in groove of the large end of axis body, then front apron 5 is enclosed within mandrel, and near described snap ring 2,3; On axis body small end, cover has backboard 8, and is locked by locking nut 9.During work, because the mandrel of winding mechanism is too carefully oversize, during winding, the flexural deformation of winding mechanism mandrel can be made from the axial clamping force of lathe and the tightening force of carbon cloth, even rupture.Winding process device cannot be realized like this, also just cannot use winding process method shaped article.
Summary of the invention
The present invention aims to provide the Wrapping formed device of a kind of small diameter shaft series products carbon cloth, and this shaped device can solve minor diameter elongated hole series products part clamping force and tightening force of carbon cloth when being wound around and cause the problem of the flexural deformation of winding mechanism mandrel or fracture.
To achieve these goals, the technical solution adopted in the present invention is:
The Wrapping formed device of a kind of small diameter shaft series products carbon cloth, comprises mandrel, is installed on the snap ring at mandrel large end draw-in groove place, to be sleeved on mandrel and with the front apron of snap ring sidewall contact, be sleeved on the backboard at mandrel small end place; Described mandrel forms carbon cloth and is wound around section between front apron and backboard; It is the first diameter segment near front apron side that described carbon cloth is wound around section, this fibre cloth winding is Second bobbin diameter section around section near backboard side, the diameter of the first diameter segment is greater than the diameter of Second bobbin diameter section, and the first diameter segment is connected by transition conical surface transition with Second bobbin diameter section; Its design feature is, the Second bobbin diameter section of described carbon cloth winding section is set with cone tubular liner, this lining, the transition conical surface and Second bobbin diameter section is set with larynx lining;
Described larynx lining comprises the aditus laryngis be sleeved in Second bobbin diameter section, is sleeved on the first conical section on the transition conical surface, is sleeved on the second conical section on lining male cone (strobilus masculinus); The end face of described lining and the sidewall contact of backboard; Described first conical section all forms corresponding stress surface when carbon cloth is Wrapping formed between the transition conical surface, between the second conical section and lining male cone (strobilus masculinus), between the end face of lining and the sidewall of backboard.
According to embodiments of the invention, further optimization can also be done to the present invention, below for optimizing the rear technical scheme formed:
Described backboard by nut locking, this backboard is coordinated and is provided with the sleeve coaxially arranged with mandrel on the small end of mandrel; Described sleeve has the blind hole as nut installation cavity, and sleeve end face coordinates with the Contact of the sidewall of backboard and forms stress surface.Thus, there is blind hole backboard right side, positions sleeve, this ensure that the axiality after sleeve and baffle plate assembling.Simultaneously this blind hole and the aperture that coordinates with mandrel have good axiality, thus assembling sleeve and mandrel have good axiality afterwards.The large end of lathe three-claw chuck clamping mandrel, also just ensure that the relative position requirement between wind and lathe.
Between described first conical section and the transition conical surface, between the second conical section and lining male cone (strobilus masculinus), between the end face of lining and the sidewall of backboard and the stress surface formed between sleeve end face and the sidewall of backboard be the friction stress surface that can transmit torsion.Thus, the frictional force transmission of the stress surface a face in embodiment, b face, c face, each contact surface in d face is reversed.
The outer face of described backboard has Blind locating holes, and the openend of described sleeve is placed in the Blind locating holes of described backboard.Thus, have the locational space that can hold nut after sleeve assembling, the external diameter of sleeve openings end has one section of tapering to assemble with backboard to facilitate.
As the further improvement of the program, sleeve end face has centre bore, so that when clamping is on lathe, and lathe centre clamping device.
The end face of described second conical section does not contact with between backboard.Preferably, lining right side will exceed larynx lining right side, makes lining and backboard end contact, lining tapering and larynx lining taper fit.
The outside wall surface of described larynx lining has positioning step, and this larynx lining and carbon cloth to be formed integrally afterwards Wrapping formed.Thus, converted products part larynx lining is after winding completes, and larynx lining is bundled together by carbon cloth and becomes parts (accompanying drawing 3).
Based on same inventive concept, present invention also offers a kind of method utilizing above-mentioned small diameter shaft series products carbon cloth Wrapping formed device working shaft-like product, it is characterized in that, comprise the steps:
S1, by the Wrapping formed device of small diameter shaft series products carbon cloth that assembles by the clamping of lathe location;
S2, be lining with winding carbon cloth at the fibre cloth winding of mandrel around section and larynx by rotating small diameter shaft series products carbon cloth Wrapping formed device;
S3, be wound around after, by the Wrapping formed device of small diameter shaft series products carbon cloth and be wound around carbon cloth thereon and carry out pressurize solidification together;
S4, solidified after, the Wrapping formed device of small diameter shaft series products carbon cloth and upper Total Product thereof are assemblied on lathe and carry out turnery processing, to meet the requirement of product parts appearance and size;
S5, by product from the demoulding the Wrapping formed device of small diameter shaft series products carbon cloth, larynx lining is as the part of product.
Pressurize solidification of the present invention adopts existing common process.
During the demoulding, take off nut and backboard successively, then the large end of fixed central spindle unload snap ring, the little extreme direction of the most backward mandrel pushes away front apron, and front apron drives product to take off from mandrel together.
As the further improvement of such scheme, mandrel B section shaped article inner bore of part profile; Mandrel tapered portion contacts with larynx lining cone match; Mandrel C section and backboard, lining, larynx lining respective aperture matched in clearance, to backboard, lining, larynx is lined with positioning action.Mandrel C section has the thread segment of one and nut screw connection, will ensure that reach has and certain screw surplus after assembling.Nut pins backboard, and nut has less pretightning force here, and when mechanism's clamping is on lathe, pretightning force reduces further.Even if whole like this device is unloaded down from lathe, also can not drop.
Above structure, shaped device of the present invention is primarily of compositions such as mandrel, snap ring, screw, front apron, larynx lining, lining, backboard, nut, sleeves.Larynx lining inner cone (the first conical section) contacts with mandrel cone match, and stress surface is a face; Larynx lining rear cone (the second conical section) contacts with lining cone match, and stress surface is b face; Lining right side and backboard end contact, stress surface is c face; Backboard contacts with sleeve cooperation, and stress surface is d face; Changed the bang path of clamping force by a face, b face, c face, d face, avoid minor diameter mandrel C section bearing capacity.
Compared with prior art, the invention has the beneficial effects as follows: the present invention changes the bang path of general wind clamping force, avoid the elongated shaft part of mandrel weak part, make it not tighten power by axial clamping force and carbon cloth.Solve in winding working procedure and turning operation, mandrel weak part C section insufficient rigidity and being out of shape, the problem of fracture.
The present invention is ingenious utilizes product structure characteristic, and two conical surfaces utilizing larynx to serve as a contrast, make the conical surface of axle contact cooperation with it with the conical surface of lining, and by axial force, produces frictional force.Utilize the frictional force transmitting torque of each contact surface, whole mechanism is rotated together.
The present invention is simple and reliable for structure, is convenient to load and unload from equipment, with short production cycle, is particularly suitable for the processing trial-production of corresponding research products, is also applicable to the production of typical products in mass production.
The appropriate design of the dimensional fits of each part makes this mechanism be achieved.
Below in conjunction with drawings and Examples, the present invention is further elaborated.
Accompanying drawing explanation
Fig. 1 is the assembling schematic diagram of one embodiment of the invention;
Fig. 2 is the mechanism map after the present invention is wound around
Fig. 3 is the sectional view that the present invention is wound around rear product
Fig. 4 is the structural representation of mandrel of the present invention;
Fig. 5 is the structural representation of the present invention first snap ring;
Fig. 6 is the left view of Fig. 5;
Fig. 7 is the structural representation of the present invention second snap ring;
Fig. 8 is the left view of Fig. 7;
Fig. 9 is the structure principle chart of existing Wrapping formed device.
Detailed description of the invention
The Wrapping formed device accompanying drawing 1 of a kind of small diameter shaft series products carbon cloth, this device primarily of mandrel 1, snap ring 2,3, screw 4, front apron 5, larynx lining 6, lining 7, backboard 8, nut 9, sleeve 10 form.
During work, contoured for a product mandrel 1 is clamped on lathe; Mandrel left end is set with demoulding part front apron 5; First snap ring 2, second snap ring 3 and screw 4 are stuck in the large end of mandrel for locating front apron, so that quick-detachment part during the demoulding; The axial force transmission mechanism being placed in lathe centre place is larynx lining 6, lining 7, backboard 8, sleeve 10; Be placed in mandrel tip lock jack panel 9.
Described mandrel 1 between front apron 5 and backboard 8 for carbon cloth is wound around section; It is the first diameter segment 10 near front apron 5 side that described carbon cloth is wound around section, this fibre cloth winding is Second bobbin diameter section 12 around section near backboard 8 side, the diameter of the first diameter segment 10 is greater than the diameter of Second bobbin diameter section, and the first diameter segment 10 is connected by the transition conical surface 11 transition with Second bobbin diameter section 12; The Second bobbin diameter section 12 of described carbon cloth winding section is set with cone tubular liner 7, this lining 7, the transition conical surface 11 and Second bobbin diameter section 12 is set with larynx lining 6; Described larynx lining 6 comprises the aditus laryngis 14 be sleeved in Second bobbin diameter section 12, is sleeved on the first conical section 13 on the transition conical surface 11, is sleeved on the second conical section 15 on lining 7 male cone (strobilus masculinus).
4 stress surfaces are formed between larynx lining 6, lining 7, backboard 8, sleeve 10, described 4 stress surface a faces, b face, c face, d face, larynx serves as a contrast 6 inner cone first conical sections and contacts formation stress surface a face with mandrel cone match, larynx serves as a contrast 6 rear cone second conical sections and contacts formation stress surface b face with lining 7 cone match, lining 7 right side and backboard 8 end contact form stress surface c face, backboard and sleeve cooperation contact and form stress surface d face, avoiding minor diameter mandrel can not one section of C section of bearing capacity, changes the bang path of clamping force; Described backboard, lining, larynx lining and mandrel match, and realize each parts to mandrel status requirement, and described larynx serves as a contrast, lining, backboard by nut check on mandrel; Described lining right side exceeds larynx lining right side; Described sleeve and backboard match and realize the coaxial of sleeve and backboard; The frictional force transmission of each contact surface in d face, c face, b face, described stress surface a face is reversed.
In such scheme, after being wound around, converted products part larynx lining 6 has been bundled together by carbon cloth becomes parts, as accompanying drawing 3, larynx serves as a contrast 6 inner cone first conical sections, and in a face, cooperation contacts with the mandrel conical surface, and larynx serves as a contrast 6 rear cone second conical sections, and in b face, cooperation contacts with lining 7 conical surface, lining 7 right side exceeds larynx and serves as a contrast 6 right sides, such lining 7 right side contacts in c face with backboard 8 end face, and cooperation contacts in d face for backboard and sleeve, is corresponding in turn to four stress surfaces, a face, b face, c face, d face.Such wind is assemblied in after on lathe, the large end of lathe three-claw gripper chuck gripping member 1 mandrel, lathe centre holds out against part 10 bushing core hole, the axial clamping force of lathe centre transmits from right to left successively, such axial clamping force bearing position has crossed mandrel minor diameter C section, C section axle is not by axial clamping force, during winding, mandrel C section does not also tighten power by carbon cloth, to avoid because of insufficient rigidity bending or fracture, the rotation of whole mechanism relies on the frictional force transmission of each contact surface to reverse, also can not affect winding even if relatively rotate, can not formed product be affected.
Shaped device of the present invention presses Fig. 1 assembling, first by the first snap ring, second snap ring, is contained in mandrel outer slot width position with screw 4, then is enclosed within mandrel by front apron, make front apron left side and snap ring end contact, load onto larynx lining more successively, lining, backboard, use nut pretension, then sleeve is stuck in backboard blind hole.After assembling, the large end of scroll chuck clamping winding mechanism mandrel, lathe centre holds out against the bushing core hole of winding mechanism, realizes lathe and clamps the location of winding mechanism.Scroll chuck drives winding mechanism to rotate, and carbon cloth is in layer wrapped on mandrel.In whole process, scroll chuck drives whole mechanism to rotate, 4 stress surface a faces, b face, c face, d face, and larynx serves as a contrast 6 inner cone first conical sections and contacts with mandrel cone match, stress surface a face; Larynx serves as a contrast 6 rear cone second conical sections and contacts with lining 7 cone match, stress surface b face, lining 7 right side and backboard 8 end contact, stress surface c face, backboard contacts with sleeve cooperation, stress surface d face, transmit clamping force, avoid mandrel C section, C section axle is not stressed.
The frictional force in four stress surface a faces, b face, c face, d face drives each part to realize rotating, even if relatively rotate, also can not affect winding, can not affect formed product.
After winding working procedure completes, whole mechanism puts pressure narrow-necked earthen jar pressurize solidification together into, pressure limit is 5MPa---6MPa, solidification temperature is 160-170 DEG C, about 4 hours isothermal curing time, after pressurize operation completes, again whole winding mechanism to be clamped on lathe the product turning profile wound, to reach product parts appearance and size, out product 16 from the winding mechanism demoulding finally.During the demoulding, first take off sleeve and take off nut again, then take off backboard, the large end of fixed central spindle, unloads the first snap ring, the second snap ring, pushes away front apron to the little extreme direction of mandrel, and front apron drives product to exit from mandrel together.
The content that above-described embodiment is illustrated should be understood to these embodiments only for being illustrated more clearly in the present invention, and be not used in and limit the scope of the invention, after having read the present invention, the amendment of those skilled in the art to the various equivalent form of value of the present invention has all fallen into the application's claims limited range.
Claims (8)
1. the Wrapping formed device of small diameter shaft series products carbon cloth, comprise mandrel (1), be installed on the snap ring (2 that mandrel (1) holds greatly draw-in groove place, 3), be sleeved on mandrel (1) upper and with snap ring (2,3) front apron (5) of sidewall contact, is sleeved on the backboard (8) at mandrel (1) small end place; Described mandrel (1) forms carbon cloth and is wound around section between front apron (5) and backboard (8);
It is the first diameter segment (10) near front apron (5) side that described carbon cloth is wound around section, this fibre cloth winding is Second bobbin diameter section (12) around section near backboard (8) side, the diameter of the first diameter segment (10) is greater than the diameter of Second bobbin diameter section, and the first diameter segment (10) is connected by the transition conical surface (11) transition with Second bobbin diameter section (12); It is characterized in that,
The Second bobbin diameter section (12) of described carbon cloth winding section is set with cone tubular liner (7), this lining (7), the transition conical surface (11) and Second bobbin diameter section (12) is set with larynx lining (6);
Described larynx lining (6) comprises the aditus laryngis (14) be sleeved in Second bobbin diameter section (12), is sleeved on the first conical section (13) on the transition conical surface (11), is sleeved on the second conical section (15) on lining (7) male cone (strobilus masculinus); The end face of described lining (7) and the sidewall contact of backboard (8); All corresponding stress surface is formed when carbon cloth is Wrapping formed between described first conical section (13) and the transition conical surface (11), between the second conical section (15) and lining (7) male cone (strobilus masculinus), between the end face of lining (7) and the sidewall of backboard (8).
2. the Wrapping formed device of small diameter shaft series products carbon cloth according to claim 1, it is characterized in that, described backboard (8) is locked on the small end of mandrel (1) by nut (9), and the upper cooperation of this backboard (8) is provided with the sleeve (10) coaxially arranged with mandrel (1); Described sleeve (10) has the blind hole as nut installation cavity, and sleeve (10) end face coordinates with the Contact of the sidewall of backboard (8) and forms stress surface.
3. the Wrapping formed device of small diameter shaft series products carbon cloth according to claim 2, it is characterized in that, the stress surface formed between described first conical section (13) and the transition conical surface (11), between the second conical section (15) and lining (7) male cone (strobilus masculinus), between the end face of lining (7) and the sidewall of backboard (8) and between the sidewall of sleeve (10) end face and backboard (8) is the friction stress surface that can transmit torsion.
4. the Wrapping formed device of small diameter shaft series products carbon cloth according to claim 2, is characterized in that, the outer face of described backboard (8) has Blind locating holes, and the openend of described sleeve (10) is placed in the Blind locating holes of described backboard (8).
5. according to the Wrapping formed device of small diameter shaft series products carbon cloth one of claim 1-4 Suo Shu, it is characterized in that, the end face of described second conical section (15) does not contact with between backboard (8).
6. according to the Wrapping formed device of small diameter shaft series products carbon cloth one of claim 1-4 Suo Shu, it is characterized in that the outside wall surface of described larynx lining (6) has positioning step, this larynx lining (6) and carbon cloth to be formed integrally afterwards Wrapping formed.
7. a method for the small diameter shaft series products carbon cloth Wrapping formed device working shaft-like product utilizing one of claim 1-6 described, is characterized in that, comprise the steps:
S1, by the Wrapping formed device of small diameter shaft series products carbon cloth that assembles by the clamping of lathe location;
S2, in section and larynx lining (6), be wound around carbon cloth at the fibre cloth winding of mandrel by rotating small diameter shaft series products carbon cloth Wrapping formed device;
S3, be wound around after, by the Wrapping formed device of small diameter shaft series products carbon cloth and be wound around carbon cloth thereon and carry out pressurize solidification together;
S4, solidified after, the Wrapping formed device of small diameter shaft series products carbon cloth and upper product (16) integral installation thereof are fitted on lathe and carry out turnery processing, to meet the requirement of product parts appearance and size;
S5, by product (16) from the demoulding the Wrapping formed device of small diameter shaft series products carbon cloth, larynx lining (6) is as parts of product (16).
8. the method for working shaft-like product according to claim 7, it is characterized in that, during the demoulding, take off nut (9) and backboard (8) successively, then fixed central spindle (1) holds and unloads snap ring (2 greatly, 3), the most backward mandrel (1) little extreme direction pushes away front apron (5), and front apron (5) drives product (16) to take off from mandrel (1) together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510344867.3A CN104890223B (en) | 2015-06-19 | 2015-06-19 | The Wrapping formed device of small-diameter shaft product carbon cloth and the method for working shaft-like product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510344867.3A CN104890223B (en) | 2015-06-19 | 2015-06-19 | The Wrapping formed device of small-diameter shaft product carbon cloth and the method for working shaft-like product |
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| Publication Number | Publication Date |
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| CN104890223A true CN104890223A (en) | 2015-09-09 |
| CN104890223B CN104890223B (en) | 2017-03-01 |
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| CN201510344867.3A Expired - Fee Related CN104890223B (en) | 2015-06-19 | 2015-06-19 | The Wrapping formed device of small-diameter shaft product carbon cloth and the method for working shaft-like product |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105333021A (en) * | 2015-11-20 | 2016-02-17 | 武汉理工大学 | Z-pin connecting method for carbon fiber composite transmission shaft and metal flange |
| CN106346798A (en) * | 2016-11-17 | 2017-01-25 | 江南工业集团有限公司 | Carbon fiber cloth composite material specimen winding forming device and forming method |
| CN106903866A (en) * | 2017-03-02 | 2017-06-30 | 武汉南瑞电力工程技术装备有限公司 | A kind of composite material electric pole Wound Dies needle ring |
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| US20140007970A1 (en) * | 2011-03-25 | 2014-01-09 | Neville Dodds | Flexible pipe body and method of producing same |
| CN204736431U (en) * | 2015-06-19 | 2015-11-04 | 江南工业集团有限公司 | Minor diameter axle class product carbon cloth winding forming device |
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| CN1055140A (en) * | 1990-05-18 | 1991-10-09 | 中科院山西煤炭化学研究所 | The release method of winding slender products with composite fiber filament and device |
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| CN105333021B (en) * | 2015-11-20 | 2018-04-27 | 武汉理工大学 | A kind of Z-pin coupling methods for being used for Carbon Fiber Composite Propeller Shaft and metal flange |
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| CN104890223B (en) | 2017-03-01 |
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Granted publication date: 20170301 Termination date: 20170619 |