CN105625951A - Eccentric Wear Resistant Carbon Fiber Reinforced Composite Continuous Sucker Rod and Its Preparation Device and Method - Google Patents
Eccentric Wear Resistant Carbon Fiber Reinforced Composite Continuous Sucker Rod and Its Preparation Device and Method Download PDFInfo
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- CN105625951A CN105625951A CN201610110396.4A CN201610110396A CN105625951A CN 105625951 A CN105625951 A CN 105625951A CN 201610110396 A CN201610110396 A CN 201610110396A CN 105625951 A CN105625951 A CN 105625951A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/40—Shaping or impregnating by compression not applied
- B29C70/50—Shaping or impregnating by compression not applied for producing articles of indefinite length, e.g. prepregs, sheet moulding compounds [SMC] or cross moulding compounds [XMC]
- B29C70/52—Pultrusion, i.e. forming and compressing by continuously pulling through a die
- B29C70/521—Pultrusion, i.e. forming and compressing by continuously pulling through a die and impregnating the reinforcement before the die
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/06—Fibrous reinforcements only
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/40—Shaping or impregnating by compression not applied
- B29C70/50—Shaping or impregnating by compression not applied for producing articles of indefinite length, e.g. prepregs, sheet moulding compounds [SMC] or cross moulding compounds [XMC]
- B29C70/52—Pultrusion, i.e. forming and compressing by continuously pulling through a die
- B29C70/525—Component parts, details or accessories; Auxiliary operations
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/20—Flexible or articulated drilling pipes, e.g. flexible or articulated rods, pipes or cables
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Abstract
The invention relates to an eccentric wear resistant carbon fiber reinforced composite continuous sucker rod and a preparation device and method thereof. Mainly by the carbon fiber reinforced layer along body of rod axial, high-modulus glass fiber winding layer, constitute along the wear-resisting high-modulus glass fiber reinforced layer three-layer of body of rod axial, the inner layer adopts continuous acrylonitrile-based carbon fiber along the axial carbon fiber reinforced layer of body of rod, and high-modulus glass fiber winding layer is high-modulus glass fiber winding layer, is wear-resisting high-modulus glass fiber along the wear-resisting high-modulus glass fiber reinforced layer of body of rod axial, and the resin base member is the epoxy resin system of polyfunctional group, and beneficial effect is: the invention increases the winding layer and the internal corrugated structure, the three-layer structure is formed by one-time curing, the contact area between the carbon fiber and the glass fiber is increased, the interlayer binding force is improved, the layering between different reinforcing materials caused by the concentric structure when the rod body is twisted is avoided, the radial and axial compressive strength is increased, and the bending diameter is reduced.
Description
Technical field
The present invention relates to a kind of petroleum industry oil production equipment and preparation method and device, particularly to a kind of carbon fibre reinforced composite of resistance to eccentric wear coiled rod and preparation facilities thereof and method.
Background technology
Owing to the Oil Reservoir Types of exploitation becomes increasingly complex, being continuously increased of well depth is worsened with the continuous of well ore deposit environment simultaneously, and corrosion and eccentric wear problem become oil extraction in oil field technique problem demanding prompt solution. Because possessing the corrosion resistant feature of high-strength light, so composite sucker rod has started to progressively replace traditional metal sucker rod. The composite sucker rod adopted at present mainly includes glass fiber reinforced plastic oil pumping rod and the big class of carbon fibre reinforced composite coiled rod two. Glass fiber reinforced plastic oil pumping rod adopts the pultrude process one-shot forming of glass-fiber reinforced thermo-setting resin to prepare, have been widely used, but along with the reliability requirement of modern times oil recovery improves constantly, glass fiber reinforced plastic oil pumping rod can not meet requirement, be primarily present problems with, 1, the resistance to eccentric wear of sucker rod bad; 2, fatigue strength is inadequate; 3, the equal fixed length of glass fiber reinforced plastic oil pumping rod, two ends are respectively arranged with a metal joint, adopt the metal box cupling of metal pumping rod application to be attached between root and root, and owing to structure is complicated, difficulty of processing is big, expensive. Each glass fiber reinforced plastic oil pumping rod is with two metal joints, and the cost of the two metal joint is far above the cost of a fiberglass body of rod; Additionally compared with conventional metals sucker rod, except shank portion has changed material, other parts of whole rod string there is no change, conventional metals rod string joint is many, disconnected de-probability is high, and piston effect is obvious, and the box cupling problem serious with oil pipe eccentric wear is not solved. The preparation method that Chinese patent CN1417449 discloses a kind of Anti-wear oil pumping rod, the method is the anti-abrading block of the material such as secondary injection molding nylon in type sucker rod body, reduce the cladding material used, reduce cladding cost and process complexity continuously, but the anti-abrading block of its injection moulding is smaller, relatively independent is distributed in the body of rod, often occurs anti-abrading block to depart from the body of rod, " sugarcoated haws on a stick " phenomenon occurs. It addition, its body of rod fixed length, it is impossible to solving conventional metals rod connector many, break-off accident rate is big, the defects such as piston effect is big; And installing anti-bias abrading block on the smaller body of rod additional is to solve the eccentric wear problem between metal joint and box cupling and oil pipe, and the emphasis that this is only sucker rod, pipe eccentric wear needs solve. CN101396874 discloses preparation method and the device of a kind of eccentric abrasion prevention composite sucker rod, its preparation method is on the in type composite sucker rod body of rod, utilize the eccentric abrasion prevention layer impregnating the abrasion resistant fibrous continuous-winding forming spiral bar shapes such as the aramid fiber of resin adhesive liquid, High molecular weight polyethylene, to reach eccentric abrasion prevention effect. The eccentric abrasion prevention layer of its spiral bar shape, owing to being with abrasion resistant fibrous enhancing thermosetting resin, thus while fiber has antiwear characteristic, but after forming composite with thermosetting resin, its wear resistance decrease is a lot, and the life-span can not extend how many. Except it eccentric abrasion prevention layer possessing spiral bar shape, its shortcoming is the same with common glass fiber reinforced plastic oil pumping rod. Chinese patent CN1461870 discloses a kind of carbon fibre reinforced composite coiled rod and preparation method, employing carbon fiber is reinforcing material, and formed integral coating compound by transversely arranged aramid fiber or superhigh molecular weight polyethylene fibers bundle and longitudinal glass fibre, mainly solve to strengthen sucker rod transverse direction interlaminar shear strength, thus avoiding sucker rod that the problem of longitudinal splitting occurs in oil well, also improve resistance to eccentric wear and the intensity of the body of rod simultaneously.But this sucker rod adopts an integral processing method (including putting silk-resin pickup glue-clad cladding-preforming-solidification-coiling operation) of pultrusion, cladding, clad is that fabric strengthens thermosetting resin, not only increase material cost, and the resistance to eccentric wear of fabric clad is not ideal enough. Additionally, owing to this carbon fibre reinforced composite coiled rod cross sectional shape is rectangle or ellipse, and its thickness only has 3��5mm, when application specific equipment removes well operations, the material of retained part almost cannot select, and two-piece type can only be adopted to clamp, left and right directions cannot be spacing, it is easy to occurs the body of rod to deflect away from the phenomenon of retained part. Therefore its special implement retained part structure and developing material difficulty of going into the well is relatively big, becomes the technical bottleneck in the application of carbon fibre reinforced composite coiled rod, limits this product large-scale promotion application. The problems such as patent of invention CN200910272324.X discloses a kind of coiled rod, the method using unidirectional fortifying fibre pultrusion, coating thermoplastic wearing layer, and it is poor that its structure exists radial compressive property, and take-up diameter is big, operation difficulty.
Summary of the invention
The purpose of the present invention is aiming at the drawbacks described above that prior art exists, it is provided that a kind of carbon fibre reinforced composite of resistance to eccentric wear coiled rod and preparation facilities thereof and method.
The one carbon fibre reinforced composite of the resistance to eccentric wear coiled rod that the present invention mentions, main by the fibre reinforced layer (A) axial along the body of rod, high-modulus glass fiber winding layer (B), along axial wear-resisting high-modulus glass fiber enhancement layer (C) up of three layers of the body of rod, the fibre reinforced layer (A) axial along the body of rod of internal layer adopts the continuous acrylonitrile base carbon fiber of more than longitudinal tensile 230GPa, the high-modulus glass fiber winding layer that high-modulus glass fiber winding layer (B) is more than longitudinal tensile 88GPa, it is wear-resisting high-modulus glass fiber along the axial wear-resisting high-modulus glass fiber enhancement layer (C) of the body of rod, resin matrix is polyfunctional epoxy resin system, product Tg value is between 130 DEG C ~ 210 DEG C, the continuous length of the body of rod made is 300m��7500m.
The cross sectional shape of the above-mentioned body of rod is circular, and diameter is 14mm��30mm, and the fibre reinforced layer (A) axial along the body of rod accounts for section area ratio more than 40%.
The above-mentioned fibre reinforced layer (A) axial along the body of rod is closed loop continuous wave structure, and waveform quantity is between 4��20, and crest radius and trough semidiameter are 0.1mm ~ 2mm; High-modulus glass fiber winding layer (B) is identical with fibre reinforced layer (A) shape axial along the body of rod, and thickness is 0.3mm ~ 1.5mm.
Above-mentioned high-modulus glass fiber winding layer (B) and the closed loop continuous wave structure of the fibre reinforced layer (A) axial along the body of rod, be substitutable for the combinative structure of symmetrical or irregular bellows-shaped, multi-corner star-shape, polygon and many tooth-shape structures and above shape.
The top layer sectional of the above-mentioned body of rod or continuous cladding thickness are that 1.5mm ~ 3.5mm thermoplastic wear resistant layer (D) forms four layers of enhancing abrasion-proof structure.
The preparation facilities of a kind of fibre reinforced composites eccentric abrasion prevention coiled rod that the present invention mentions, including creel (1), pre-heating system (2), carbon fibre resin immersion equipment (3-1), glass outer fibre resin immersion equipment (3-2), wrapping machine (4), preforming (5), die orifice register (6), pultrusion die (7), mold heating device (8), rear solidifying heating furnice (10), traction apparatus (11), extrusion apparatus (12), winding device (13), and control system (9) is arranged on side; Fiber on described creel (1) takes out mode outside using, and tension force can regulate; The side of creel (1) is provided with pre-heating system (2), the right side of pre-heating system (2) installs carbon fibre resin immersion equipment (3-1), wrapping machine (4), glass outer fibre resin immersion equipment (3-2) and preforming (5) successively, internal layer carbon fiber infiltrates resin at carbon fibre resin immersion equipment (3-1), through the forward and reverse winding two layers of high modulus glass fibre of wrapping machine (4), afterwards together with the outer abrasion resistant high-modulus glass fiber through glass fiber resin immersion equipment (3-2), enter mould (7) through preforming (5) and solidify; The right side of described preforming (5) installs die orifice register (6), pultrusion die (7), mold heating device (8) and rear solidifying heating furnice (10) successively, and the body of rod after solidification, through solidifying heating furnice later (10), is fully cured molding; The coiled rod of curing molding is under the traction of the traction apparatus (11) in outside, and through extrusion apparatus (12), coating thermoplastic wearing layer (D), afterwards in the upper rolling of winding device (13).
The preparation method of a kind of fibre reinforced composites eccentric abrasion prevention coiled rod that the present invention mentions, comprises the following steps and makes:
A () draws multi-beam carbon-fiber from creel (1), through carbon fibre resin immersion equipment (3-1) under the traction of traction apparatus (11), infiltrate resin matrix glue, and resin matrix is polyfunctional epoxy resin system;
B (), outside internal layer carbon fiber, uses wrapping machine (4) forward and reverse winding two-layer 0.3��1.5mm thickness, intersecting angle is the high-modulus glass fiber winding layer of 50 �㡫80 ��; Endoporus (5a) in preforming (5); The wear-resisting high-modulus glass fiber drawn from creel (1), through glass fiber resin immersion equipment (3-2), enters the uniform outer yarn passing hole (5b) of outer layer in preforming (5), interior two-layer is uniformly coated with, and enters pultrusion die (7);
C the fiber of () three layers infiltration resin is at pultrusion die (7) curing molding; Have mold heating device (8) pultrusion die (7) is distributed about, point 3 sections of heating, solidification temperature between 150��230 DEG C, heating mode in gradient, pultrusion speed is between 0.15m/min��0.50m/min, and pultrusion goes out the composite body of rod; The composite body of rod that pultrusion goes out enter after solidifying heating furnice (10) carry out thermal stress process and after solidify;
(d) solidified afterwards after the composite body of rod, by traction apparatus (11), enter extrusion apparatus (12), segmentation or continuously coating thermoplastic wearing layer (D), winding device (13) is wound on the disk that diameter is 2.5m��3.5m afterwards.
The front portion of above-mentioned pultrusion die (7) is provided with die orifice register (6), and described die orifice register (6) adopts conduction oil circulation, and adjustable mould inlet temperature, temperature adjusting range is 50 DEG C ~ 150 DEG C.
The interior yarn passing hole (5a) of preforming (5) is continuous wave shape, interior yarn passing hole (5a) uniform two circles around or the outer yarn passing hole (5b) that many loop diameters are 3mm ~ 6mm, all there is the round-corner transition of 2mm ~ 5mm the interior yarn passing hole of preformed board and the gateway of outer yarn passing hole.
Above-mentioned rear solidifying heating furnice (10) is airtight with mould outlet to be connected, and heating furnace first paragraph temperature is identical with die exit temperature.
The invention has the beneficial effects as follows: the sucker rod of the present invention, carbon-fiber continuous rod pultrude process basis adds winding layer, internal ripple struction, three-decker one-step solidification moulding, add the contact area between carbon fiber and glass fibre, improve inter-layer bonding force, it is to avoid layering between difference reinforcing material when the body of rod that concentric structure causes reverses, add radial and axial comprcssive strength simultaneously, reduce bending diameter; Product minimum bend diameter is less than 100 times of product cross section diameter; Long-term preservation bending diameter is 150 times of product cross section diameter; Outer layer uses wear-resisting high-modulus glass fiber, improves the anti-wear performance of the body of rod. Top layer segmentation or continuously coating thermoplastic wearing layer form four layers and strengthen abrasion-proof structure, use in eccentric wear critical regions and can increase the service life further;
Utilize preparation method provided by the invention, adopt winding, pultrusion, extrusion molding assembling process, continuous-stable that resistance to eccentric wear carbon fibre reinforced composite coiled rod body produce can be greatly improved, ensure that one-shot forming, production efficiency is high, interfacial bonding strength is big, it is to avoid layering, peeling phenomenon generation. The use of die orifice register, can be effectively increased the mobility of glue, improve effect of impregnation, avoids resin premature gelation simultaneously. Rear solidifying heating furnice is airtight with mould outlet is connected, it is to avoid the body of rod stress slight crack that temperature shock causes, and is effectively improved speed of production and curing degree;
Assembly of the invention achieves the method for the present invention, and production efficiency is high, easy and simple to handle.
Accompanying drawing explanation
Accompanying drawing 1 is the three-decker schematic diagram of the carbon fibre reinforced composite of the resistance to eccentric wear coiled rod of the present invention;
Accompanying drawing 2 is the four-layer structure schematic diagram of the carbon fibre reinforced composite of the resistance to eccentric wear coiled rod of the present invention;
Accompanying drawing 3 is the schematic flow sheet of the preparation facilities of the present invention;
Accompanying drawing 4 is the structural representation of the preforming of the present invention;
Accompanying drawing 5 is the axial sectional view of the preforming of the present invention;
In upper figure: A is that B is high-modulus glass fiber winding layer along the body of rod axial fibre reinforced layer; C is that D is thermoplastic wear resistant layer along the body of rod axial wear-resisting high-modulus glass fiber enhancement layer;
Creel 1, pre-heating system 2, carbon fibre resin immersion equipment 3-1, glass outer fibre resin immersion equipment 3-2, wrapping machine 4, preforming 5, die orifice register 6, pultrusion die 7, mold heating device 8, control part 9, rear solidifying heating furnice 10, traction apparatus 11, extrusion apparatus 12, coiler device 13, torque motor 13a, tier pole device 13b.
Interior yarn passing hole 5a, outer yarn passing hole 5b, hole circle angle 5c.
Detailed description of the invention
In conjunction with accompanying drawing, the invention will be further described:
The one carbon fibre reinforced composite of the resistance to eccentric wear coiled rod that the present invention mentions, main by the fibre reinforced layer (A) axial along the body of rod, high-modulus glass fiber winding layer (B), along axial wear-resisting high-modulus glass fiber enhancement layer (C) up of three layers of the body of rod, the fibre reinforced layer (A) axial along the body of rod of internal layer adopts the continuous acrylonitrile base carbon fiber of more than longitudinal tensile 230GPa, the high-modulus glass fiber winding layer that high-modulus glass fiber winding layer (B) is more than longitudinal tensile 88GPa, it is wear-resisting high-modulus glass fiber along the axial wear-resisting high-modulus glass fiber enhancement layer (C) of the body of rod, resin matrix is polyfunctional epoxy resin system, product Tg value is between 130 DEG C ~ 210 DEG C, the continuous length of the body of rod made is 300m��7500m.
Wherein, the cross sectional shape of the body of rod is circular, and diameter is 14mm��30mm, and the fibre reinforced layer (A) axial along the body of rod accounts for section area ratio more than 40%.
It addition, be closed loop continuous wave structure along the fibre reinforced layer (A) that the body of rod is axial, waveform quantity is between 4��20, and crest radius and trough semidiameter are 0.1mm ~ 2mm; High-modulus glass fiber winding layer (B) is identical with fibre reinforced layer (A) shape axial along the body of rod, and thickness is 0.3mm ~ 1.5mm.
High-modulus glass fiber winding layer (B) and the combinative structure that symmetrical or irregular bellows-shaped, multi-corner star-shape, polygon and many tooth-shape structures and above shape can be used along the fibre reinforced layer (A) that the body of rod is axial.
The top layer sectional of the above-mentioned body of rod or continuous cladding thickness are that 1.5mm ~ 3.5mm thermoplastic wear resistant layer (D) forms four layers of enhancing abrasion-proof structure.
The preparation facilities of a kind of fibre reinforced composites eccentric abrasion prevention coiled rod that the present invention mentions, including creel (1), pre-heating system (2), carbon fibre resin immersion equipment (3-1), glass outer fibre resin immersion equipment (3-2), wrapping machine (4), preforming (5), die orifice register (6), pultrusion die (7), mold heating device (8), rear solidifying heating furnice (10), traction apparatus (11), extrusion apparatus (12), winding device (13), and control system (9) is arranged on side; Fiber on described creel (1) takes out mode outside using, and tension force can regulate; The side of creel (1) is provided with pre-heating system (2), the right side of pre-heating system (2) installs carbon fibre resin immersion equipment (3-1), wrapping machine (4), glass outer fibre resin immersion equipment (3-2) and preforming (5) successively, internal layer carbon fiber infiltrates resin at carbon fibre resin immersion equipment (3-1), through the forward and reverse winding two layers of high modulus glass fibre of wrapping machine (4), afterwards together with the outer abrasion resistant high-modulus glass fiber through glass fiber resin immersion equipment (3-2), enter mould (7) through preforming (5) and solidify; The right side of described preforming (5) installs die orifice register (6), pultrusion die (7), mold heating device (8) and rear solidifying heating furnice (10) successively, and the body of rod after solidification, through solidifying heating furnice later (10), is fully cured molding; The coiled rod of curing molding is under the traction of the traction apparatus (11) in outside, through extrusion apparatus (12), coating thermoplastic wearing layer (D), afterwards in the upper rolling of winding device (13), and winding device (13) is provided with torque motor 13a, tier pole device 13b.
The preparation method of a kind of fibre reinforced composites eccentric abrasion prevention coiled rod that the present invention mentions, comprises the following steps and makes:
A () draws multi-beam carbon-fiber from creel (1), through carbon fibre resin immersion equipment (3-1) under the traction of traction apparatus (11), infiltrate resin matrix glue, and resin matrix is polyfunctional epoxy resin system;
B (), outside internal layer carbon fiber, uses wrapping machine (4) forward and reverse winding two-layer 0.3��1.5mm thickness, intersecting angle is the high-modulus glass fiber winding layer of 50 �㡫80 ��; Endoporus (5a) in preforming (5); The wear-resisting high-modulus glass fiber drawn from creel (1), through glass fiber resin immersion equipment (3-2), enters the uniform outer yarn passing hole (5b) of outer layer in preforming (5), interior two-layer is uniformly coated with, and enters pultrusion die (7);
C the fiber of () three layers infiltration resin is at pultrusion die (7) curing molding; Have mold heating device (8) pultrusion die (7) is distributed about, point 3 sections of heating, solidification temperature between 150��230 DEG C, heating mode in gradient, pultrusion speed is between 0.15m/min��0.50m/min, and pultrusion goes out the composite body of rod; The composite body of rod that pultrusion goes out enter after solidifying heating furnice (10) carry out thermal stress process and after solidify;
(d) solidified afterwards after the composite body of rod, by traction apparatus (11), enter extrusion apparatus (12), segmentation or continuously coating thermoplastic wearing layer (D), winding device (13) is wound on the disk that diameter is 2.5m��3.5m afterwards.
The front portion of above-mentioned pultrusion die (7) is provided with die orifice register (6), and described die orifice register (6) adopts conduction oil circulation, and adjustable mould inlet temperature, temperature adjusting range is 50 DEG C ~ 150 DEG C.
The interior yarn passing hole (5a) of preforming (5) is continuous wave shape, interior yarn passing hole (5a) uniform two circles around or the outer yarn passing hole (5b) that many loop diameters are 3mm ~ 6mm, all there is the round-corner transition of 2mm ~ 5mm the interior yarn passing hole of preformed board and the gateway of outer yarn passing hole.
Above-mentioned rear solidifying heating furnice (10) is airtight with mould outlet to be connected, and heating furnace first paragraph temperature is identical with die exit temperature.
Below by instantiation, the using method of the present invention is elaborated, but the invention is not restricted to these examples.
Example 1: first, 190 bundle T300-12K fibers are drawn from creel (1), through the pre-heat treatment, through carbon fibre resin immersion equipment (3-1) under the traction of traction apparatus (11), infiltration resin matrix glue, resin matrix is polyfunctional epoxy resin system, and glue proportioning is resin: firming agent=100:100;
Outside internal layer carbon fiber, use wrapping machine (4) forward and reverse winding two-layer (in the face of the carbon fiber bundle direction of motion, ground floor is wound clockwise, the second layer is wrapped anti-clockwise), every layer uses 10 bundle EPX17-1200tex glass fibre, winding layer thickness 0.4mm, and winding angle is 55 ��, winding layer is seamless, without superposition;
Carbon fiber layer after winding and winding layer endoporus (5a) in preforming (5), form the bellows-shaped of 10 ripples;
Draw 110 bundle WS3000-2400tex glass fibre from creel (1), be divided into 22 groups, often group 5 bundle, through glass fiber resin immersion equipment (3-2), infiltration resin matrix glue, resin matrix is polyfunctional epoxy resin system, and glue proportioning is resin: firming agent=100:100; Enter the uniform outer yarn passing hole (5b) of outer layer 22 in preforming (5), interior two-layer is uniformly coated with, under the traction of traction machine (11), simultaneously enters pultrusion die (7);
Die temperature is controlled at 100 DEG C by die orifice temperature control system (6), and entrance aperture is three sections of heating of pultrusion die (7) point of 19mm, and temperature is 150 DEG C, 165 DEG C, 165 DEG C, pultrusion speed 0.25m/min, and pultrusion goes out the composite body of rod; The composite body of rod that pultrusion goes out enter after solidifying heating furnice (10) carry out thermal stress process and after solidify, three sections of heating of post-curing oven (10) point, temperature is 165 DEG C, 135 DEG C, 100 DEG C; It is solidified into the carbon fibre reinforced composite of resistance to eccentric wear that diameter the is 19mm coiled rod of three-decker; The life-time service temperature of this sucker rod is 90 DEG C;
Rear solidification complete after sucker rod, by traction apparatus (11) draw, winding device (13) be wound on the disk that diameter is 3.0m.
Example 2:
According to example 1, rear solidification complete after the composite body of rod, by traction apparatus (11), enter extrusion apparatus (12), the modified ultra-high molecular weight polyethylene wearing layer that thickness is 2mm of cladding continuously, its life-time service temperature is 90 DEG C, forms the carbon fibre reinforced composite of the resistance to eccentric wear coiled rod of four-layer structure;
It is wound on the disk that diameter is 3.5m by winding device (13).
Example 3:
According to example 1, resin replacement is four-functional group epoxy resin, improves heat resistance, resin: firming agent=100:126, and gumming device heating-up temperature is to 40 DEG C;
Die temperature controls at 120 DEG C, and entrance aperture is three sections of heating of pultrusion die (7) point of 19mm, and temperature is 170 DEG C, 210 DEG C, 210 DEG C, pultrusion speed 0.25m/min, and pultrusion goes out the composite body of rod; The composite body of rod that pultrusion goes out enter after solidifying heating furnice (10) carry out thermal stress process and after solidify, three sections of heating of post-curing oven (10) point, temperature is 210 DEG C, 175 DEG C, 110 DEG C; ; It is solidified into the carbon fibre reinforced composite of resistance to eccentric wear that diameter the is 19mm coiled rod of three-decker; The life-time service temperature of this sucker rod is 150 DEG C;
Rear solidification complete after sucker rod, by traction apparatus (11) draw, winding device (13) be wound on the disk that diameter is 4.0m.
Example 4:
According to example 3, rear solidification complete after the composite body of rod, by traction apparatus (11), enter extrusion apparatus (12), the modified Teflon ethylene wearing layer that thickness is 2.5mm of cladding continuously, its life-time service temperature is 150 DEG C, forms the carbon fibre reinforced composite of the resistance to eccentric wear coiled rod of four-layer structure;
It is wound on the disk that diameter is 3.2m by winding device (13).
Example 5:
According to example 1, change fiber number, change the diameter of the carbon fibre reinforced composite of resistance to eccentric wear coiled rod;
240 bundle T300-12K fibers are drawn from creel (1), through the pre-heat treatment, through carbon fibre resin immersion equipment (3-1) under the traction of traction apparatus (11), infiltration resin matrix glue, resin matrix is polyfunctional epoxy resin system, and glue proportioning is resin: firming agent=100:100;
Outside internal layer carbon fiber, use wrapping machine (4) forward and reverse winding two-layer, (in the face of the carbon fiber bundle direction of motion, ground floor is wound clockwise, the second layer is wrapped anti-clockwise), every layer uses 10 bundle EPX17-2400tex glass fibre, and winding angle is 57 ��, winding layer is seamless, without superposition;
Carbon fiber layer after winding and the winding layer interior yarn passing hole (5a) in preforming (5), form the bellows-shaped of 12 ripples;
Draw 144 bundle WS3000-2400tex glass fibre from creel (1), be divided into 24 groups, often group 6 bundle, through glass fiber resin immersion equipment (3-2), infiltration resin matrix glue, resin matrix is polyfunctional epoxy resin system, and glue proportioning is resin: firming agent=100:100; Enter the uniform outer yarn passing hole (5b) of outer layer 24 in preforming (5), interior two-layer is uniformly coated with, under the traction of traction machine (11), simultaneously enters pultrusion die (7);
Die temperature is controlled at 100 DEG C by die orifice temperature control system (6), and entrance aperture is three sections of heating of pultrusion die (7) point of 22mm, and temperature is 150 DEG C, 165 DEG C, 165 DEG C, pultrusion speed 0.25m/min, and pultrusion goes out the composite body of rod; The composite body of rod that pultrusion goes out enter after solidifying heating furnice (10) carry out thermal stress process and after solidify, three sections of heating of post-curing oven (10) point, temperature is 165 DEG C, 135 DEG C, 100 DEG C; It is solidified into the carbon fibre reinforced composite of resistance to eccentric wear that diameter the is 22mm coiled rod of three-decker; The life-time service temperature of this sucker rod is 90 DEG C;
Rear solidification complete after sucker rod, by traction apparatus (11) draw, winding device (13) be wound on the disk that diameter is 3.5m.
Internal layer that the present invention mentions and intermediate layer use the combinative structure of symmetrical or irregular bellows-shaped, multi-corner star-shape, polygon and many tooth-shape structures and above shape, should within protection scope of the present invention;
The above, be only the part preferred embodiment of the present invention, and equivalent technical scheme is revised or be revised as to any those of ordinary skill in the art all technical schemes possibly also with above-mentioned elaboration. Therefore, any simple modification carried out according to technical scheme or substitute equivalents, belong to the greatest extent the scope of protection of present invention.
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