CN105459412A - Fiber-wound glass fiber reinforced plastic pipe fitting manufacturing equipment and manufacturing process - Google Patents

Fiber-wound glass fiber reinforced plastic pipe fitting manufacturing equipment and manufacturing process Download PDF

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Publication number
CN105459412A
CN105459412A CN201510950758.6A CN201510950758A CN105459412A CN 105459412 A CN105459412 A CN 105459412A CN 201510950758 A CN201510950758 A CN 201510950758A CN 105459412 A CN105459412 A CN 105459412A
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China
Prior art keywords
pivoted arm
wound
pipe fitting
fixture
wound around
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CN201510950758.6A
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Chinese (zh)
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CN105459412B (en
Inventor
陶佳栋
杜富国
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胜利油田新大管业科技发展有限责任公司
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Priority to CN201510950758.6A priority Critical patent/CN105459412B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28Shaping operations therefor
    • B29C70/30Shaping 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
    • B29C70/32Shaping 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 on a rotating mould, former or core
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L63/00Compositions of epoxy resins; Compositions of derivatives of epoxy resins
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2063/00Use of EP, i.e. epoxy resins or derivatives thereof, as moulding material
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00Applications
    • C08L2203/18Applications used for pipes

Abstract

The invention relates to fiber-wound glass fiber reinforced plastic pipe fitting manufacturing equipment and a fiber-wound glass fiber reinforced plastic pipe fitting manufacturing process. According to the technical scheme of the fiber-wound glass fiber reinforced plastic pipe fitting manufacturing equipment, the fiber-wound glass fiber reinforced plastic pipe fitting manufacturing equipment comprises a main engine case, a mechanical arm, a rack, a winding mold, a winding clamp, a rotation arm and the like, wherein the main engine case is a main power device of the equipment; the mechanical arm is a winding yarn guide and control device; the rack is a mechanical arm height adjusting device; the winding mold is designed to be of a novel combined structure and a yarn hanging ring structure, is convenient for assembly of the mold and can realize the small-angle winding of winding yarns; the winding clamp can realize the 180-degree rotation of a yarn comb and the tension control of the winding yarns; and the rotation arm is a grating sensor and supporting seat device and serves as a safety protection device. The fiber-wound glass fiber reinforced plastic pipe fitting manufacturing equipment has the beneficial effects that the production and manufacturing of products are performed by adopting a pure fiber yarn overlaying structure through the novel design of a mold and a clamping fixture; an old production process is replaced; and the axial strength, interlayer shearing strength and quality stability of products are improved while the production efficiency of the products is improved.

Description

A kind of equipment of making of Filament-wound Machine fiberglass pipe fitting and manufacturing process

Technical field

The present invention relates to field GRP pipe matching used Filament-wound Machine fiberglass pipe fitting manufacturing equipment and the techniques such as a kind of petrochemical industry, municipal administration, particularly a kind of equipment of making of Filament-wound Machine fiberglass pipe fitting and manufacturing process.

Background technology

Pipe fitting is as the matching component of a kind of indispensability of pipeline, its quality is directly connected to the security of operation of whole pipe network system, and the tubing products that current GRP pipe field is applied, be manual Wrapping formed, the problems such as ubiquity production efficiency is low, production technology is backward, quality is unstable, especially the epoxy tubing products of high pressure grade, requires very high to product quality, but the hidden danger of quality problem existed is also more outstanding.Be mainly manifested in:

1, production efficiency is low.False twist's moulding process makes pipe fitting, and need multiple operation mutually to coordinate, lay-up process complexity causes preparatory process required time very long; Meanwhile, due to the limitation of manual operation physical efficiency aspect, cannot realize high-caliber quick winding, production efficiency is lower, required manually more, and during continuous seepage especially in enormous quantities, this aspect is restricted larger.

2, quality is unstable.False twist's moulding process makes the full armrest sense of pipe fitting and ensures product quality, the factor such as tension force control, alignment control variation in winding process is very large, operation technique between employee, qualification etc. all can cause very large impact to product quality, cannot realize proper standardized production, quality stability is poor.

3, product ply angles is unreasonable, poor mechanical property.False twist's moulding process makes pipe fitting, due to the limitation of equipment, mould and technique, for making the not sliding yarn of silvalin in winding process, ensureing product axial strength, product adopts the sandwich structure of " glass fiber yarn+Multiaxial Fiberglass Fabrics " to carry out alternately being wound around, between two kinds of different materials, tension force is different, interlaminar shear strength is low, and being easy to mass defects such as producing layering, make somebody a mere figurehead, is also the quality problems that the pipe fitting of false twist's moulding process making often occurs.

4, presentation quality is poor.The pipe fitting that false twist's moulding process makes controls the factors such as inequality, linear disorder due to tension force, in products solidifying forming process, material cross-links reaction can be expanded, cause product surface out-of-flatness smooth, follow-uply to need through a large amount of manual polishings to repair product surface.

5, production cost is high.More and more higher along with cost of labor, the cost of labor that false twist's moulding process makes needed for pipe fitting is more and more higher, especially skilled operative employee, and due to technical threshold higher, staff training and the skills training time long; During continuous seepage in enormous quantities, the production efficiency of tubing products and cost of labor have become maximum obstruction.

Summary of the invention

Object of the present invention is exactly in view of the foregoing defects the prior art has, a kind of equipment of making and manufacturing process of Filament-wound Machine fiberglass pipe fitting are provided, adopt ply angles design and the material prescription design of advanced moulding process, science simultaneously, solve the serial difficult problem in false twist's epoxies high-pressure pipe member production process.

A kind of Filament-wound Machine fiberglass pipe fitting that the present invention mentions make equipment, comprise mainframe box (1), manipulator (2), frame (3), tailstock (4), Wound Dies (5), be wound around fixture (6), pivoted arm (7), strainer (8), steeping vat (9), base (10) and steeping vat support, mainframe box (1) is installed in the side of base (10), opposite side mounted tailstock (4), at the side installation frame (3) of tailstock (4), the upper installation manipulator (2) of frame (3), be provided with at the end of manipulator (2) and be wound around fixture (6), and as the guider of silvalin, described mainframe box (1) connects pivoted arm (7) and main shaft (13), and one end of main shaft (13) is connected with mainframe box (1), and the other end is connected with tailstock (4) top, and the centre of Wound Dies main shaft is fixed with Wound Dies (5), described pivoted arm (7) is L-type structure pivoted arm (7), and pivoted arm (7) is by mainframe box (1) driven rotary,

Be provided with steeping vat support on the side of base (10), steeping vat support is provided with steeping vat (9) and strainer (8), and glass fibre is by strainer (8) afterwards through being wound around fixture (6), and one end is clamped on the pneumatic chuck on pivoted arm (7).

Above-mentioned winding fixture (6) comprises fixture main shaft (6.1), spring (6.3), support bar (6.4), fixture overcoat (6.5), compact heap (6.6), applying glue pipe (6.7), bootstrap block (6.8), the upper cover of fixture main shaft (6.1) has spring (6.3), spring (6.3) bottom is fixture overcoat (6.5), support bar (6.4) is installed on the top of fixture overcoat (6.5), bottom is provided with compact heap (6.6), by compact heap (6.6), silvalin is compressed, described support bar (6.4) connects bootstrap block (6.8), and applying glue pipe (6.7) is provided with between bootstrap block (6.8) and compact heap (6.6), silvalin realizes silvalin by bootstrap block (6.8) and carries out track winding according to Lay up design requirement, and by compact heap (6.6), silvalin is pressed on mould (5).

The downside of above-mentioned fixture main shaft (6.1) connects dial gauge (6.11) by dial indicator holder (6.12), and the bottom of fixture main shaft (6.1) is provided with calibration cusp (6.10).

The upside of above-mentioned spring (6.3) is provided with adjusting nut (6.2), is adjusted the elasticity of spring (6.3) by adjusting nut (6.2).

Reductor (14), spindle servo electric machine (15) and pivoted arm servomotor (16), reductor (17), shaft coupling (18) is installed in above-mentioned mainframe box (1), described spindle servo electric machine (15) connects reductor (14), reductor (14) connects one end of main shaft (13), the other end of main shaft (13) is arranged on rotary support (11) center by bearing (12), and the Outboard Sections of main shaft (13) installs Wound Dies (5); Described shaft coupling (18) is connected to pivoted arm (7) by auxiliary spindle (19), pinion (20), clutch air cylinder (21), and the outermost end of described pivoted arm (7) is equipped with pneumatic chuck (22).

Above-mentioned rotary support (11) is provided with scroll chuck (23).

Above-mentioned steeping vat (9), for realizing the infiltration being wound around yarn and resin paste, and with heating function, can realize the control to resin paste temperature under varying environment temperature conditions; Described resin paste is prepared from primarily of after each component mixing of following weight portion: 23-28 part epoxy resin, 55-60 part reinforcing glass fiber, 5-10 part filler, 1-2 part shrinking agent, 2-5 part curing agent, 0.3-0.5 part dispersant, 1-3 part ultraviolet-resistant absorbent.

Above-mentioned epoxy resin viscosity is 5000mPa.s, described reinforcing glass fiber is the assembled roving of below 2000TEX specification, described filler is the aerosil powder of particle diameter 5-10um, described shrinking agent is more than 99% concentration polystyrene, described curing agent is the modified aromatic amine of more than 99% concentration, described dispersant is high-purity ethylene base bis-stearamides, and described ultraviolet-resistant absorbent is modification BTA auxiliary agent.

A kind of Filament-wound Machine fiberglass pipe fitting that the present invention mentions make technique, comprise the following steps:

(1) described epoxy resin and filler, shrinking agent, dispersant Homogeneous phase mixing are also fully uniformly dispersed, and are prepared into resin paste; Centrifugal mixer motor speed is not less than 30r/min, and mixing time is not less than 5min in the same direction, makes rear stand for standby use;

(2), when pipe fitting is produced, first by ready to equipment, winding yarn and control program, adjustment is wound around yarn tension in scope of design; Prepare resin paste by design quantity, add curing agent according to design proportion, and at the uniform velocity stir, cross-linking reaction time controls within 1-1.5h, completes resin paste and prepare before producing within 10min;

(3) Wound Dies is carried out heating preheating, preheating 20-30min in 60 DEG C of baking ovens, is assembled on equipment after taking-up in 10min, positions and calibrates, ready;

(4) carry out orientation winding 3-5 circle when manually connecing yarn to come off to being wound around the sliding yarn of yarn, startup automatic winding pattern, requires automatically to be wound around according to Lay up design;

(5), after tube manufacture completes, mould and Total Product are put into baking oven and carries out heating cure, heating and temperature control is at 120-150 DEG C, and hardening time is not less than 1h, determines according to products thickness;

(6) cool after having solidified, when being cooled to below 50 DEG C, carry out the finishing demoulding, and complete the cleaning of mould and assemble with for subsequent use.

In addition, need to further describe: the course of work of pivoted arm (7), manipulator (2) and Wound Dies (5) is as follows:

(a) through the glass fiber yarn that arrangement and glass fabric by after strainer (8) through the bootstrap block (6.8) being wound around fixture (6), one end is clamped on the pneumatic chuck (22) on pivoted arm (7); Pneumatic chuck (22) adopts self-locking cylinder to carry out folding control, and when pivoted arm (7) rotates to fixed position, clutch air cylinder (21) promotes clutch block and connects pneumatic circuit, drives self-locking cylinder thus makes pneumatic chuck (22) opening and closing; In pneumatic circuit, pressure test device is installed, detects clutch loop and self-locking cylinder opening and closing state; Pivoted arm (7) radius of gyration can regulate according to the radius of gyration of Wound Dies (5);

When () is wound around and starts b, pivoted arm servomotor (16) drives pivoted arm (7) to be rotated counterclockwise 90 degree; Pivoted arm (7) by level be rotated counterclockwise 90 degree to plumbness time, spindle servo electric machine (15) drive shaft (13) driven mold (5) and pivoted arm synchronous rotary; Pivoted arm (7) and mould (5) synchronously continue to rotate, and when pivoted arm (7) occurs dry and astringent with fibrous material, are wound around fixture (6) and are dodged by the rotating band kinetodesma material of manipulator; Manipulator (2) coordinates pivoted arm (7) and mould (5) synchronous rotary after 2 weeks, and stop operating at pivoted arm (7) stop position, now fibrous material has been wound on mould (5), after relieving fibrous material opened by clutch air cylinder (21) action pneumatic chuck (22), pivoted arm (7) rotates to waiting for position, and operation of starting completes;

C () is formally wound around beginning spindle servo electric machine (15) drive shaft (13) driven mold (5) and starts to rotate, be wound around fixture (6) under the drive of manipulator (2) slowly near mould (5) simultaneously, until silvalin is pressed on mould (5) by compact heap (6.6): manipulator (2) and spindle servo electric machine (15) enter loop synchronizer, drive mould (5) to rotate and be wound around fixture (6) compression silvalin simultaneously, and keep vertical with mould normal plane, what silvalin was laddering is wound to mould (5) surface from level to level; While being wound around, the spacer pin of adjustment of tonicity mechanism (8), makes silvalin tension force be in OK range; And by adjusting nut (6.2) adjustment compact heap (6.6) thrust on mould, carry out the secondary adjustment of silvalin tension force; Compact heap (6.8) can be changed because winding process is different with bootstrap block (6.8), can clear up, be used alternatingly with acknowledgment copy after being wound around under fast dismantling;

D the fixture overcoat (6.5) being wound around fixture (6) is pulled down by (), fixture main shaft (6.1) leading portion position is processed with calibration thimble (6.10) and dismountable dial indicator holder (6.9) and dial gauge (6.11), for the calibration use that manipulator is programmed.

The invention has the beneficial effects as follows: product is with glass fibre and epoxy resin for main raw material(s), and machine programming nonstick system of control is standby as calculated forms; Owing to adopting the automatic control operation of manipulator, the running orbit of its fiber in manufacturing process is relative to false twist, be all had significantly to promote in precision or speed, and the winding of glass fiber yarn low-angle can be realized, improve product axial strength.Old manual winding process due to glass fiber yarn winding angle large, product axial strength is poor, must increase multiaxial fabric or other glass fabric to improve product axial strength, but another problem brought is exactly cause due to the difference of reinforcing material that product interlaminar shear strength is poor, easily layering.And this invention can to realize the pure silvalin of product Wrapping formed, well solve the problems referred to above.

Accompanying drawing explanation

Accompanying drawing 1 is complete assembling schematic diagram of the present invention;

Accompanying drawing 2 is structural representations of transmission portion of the present invention;

Accompanying drawing 3 is structural representations that the present invention is wound around fixture position and mould;

Accompanying drawing 4 is that the present invention is wound around fixture position partial enlarged drawing;

In upper figure: mainframe box (1), manipulator (2), frame (3), tailstock (4), Wound Dies (5), be wound around fixture (6), pivoted arm (7), strainer (8), steeping vat (9), base (10), rotary support (11), bearing (12), main shaft (13), reductor (14), spindle servo electric machine (15), pivoted arm servomotor (16), reductor (17), shaft coupling (18), auxiliary spindle (19), pinion (20), clutch air cylinder (21), pneumatic chuck (22), scroll chuck (23),

Fixture main shaft (6.1), adjusting nut (6.2), spring (6.3), support bar (6.4), fixture overcoat (6.5), compact heap (6.6), applying glue pipe (6.7), bootstrap block (6.8), mould gear yarn ring (6.9), calibration cusp (6.10), dial gauge (6.11), dial indicator holder (6.12).

Detailed description of the invention

1-4 by reference to the accompanying drawings, the invention will be further described:

A kind of Filament-wound Machine fiberglass pipe fitting that the present invention mentions make equipment, specifically a kind of Filament-wound Machine fiberglass elbow, threeway, flange, pipe collar make equipment, its technical scheme is: environment division comprises mainframe box (1), manipulator (2), frame (3), tailstock (4), Wound Dies (5), be wound around fixture (6), pivoted arm (7), strainer (8), steeping vat (9), base (10) and steeping vat support, mainframe box (1) is installed in the side of base (10), opposite side mounted tailstock (4), at the side installation frame (3) of tailstock (4), the upper installation manipulator (2) of frame (3), be provided with at the end of manipulator (2) and be wound around fixture (6), and as the guider of silvalin, described mainframe box (1) connects pivoted arm (7) and main shaft (13), and one end of main shaft (13) is connected with mainframe box (1), and the other end is connected with tailstock (4) top, and the centre of Wound Dies main shaft is fixed with Wound Dies (5), described pivoted arm (7) is L-type structure pivoted arm (7), and pivoted arm (7) is by mainframe box (1) driven rotary, be provided with steeping vat support on the side of base (10), steeping vat support is provided with steeping vat (9) and strainer (8), and glass fibre is by strainer (8) afterwards through being wound around fixture (6), and one end is clamped on the pneumatic chuck on pivoted arm (7).

Above-mentioned winding fixture (6) comprises fixture main shaft (6.1), spring (6.3), support bar (6.4), fixture overcoat (6.5), compact heap (6.6), applying glue pipe (6.7), bootstrap block (6.8), the upper cover of fixture main shaft (6.1) has spring (6.3), spring (6.3) bottom is fixture overcoat (6.5), support bar (6.4) is installed on the top of fixture overcoat (6.5), bottom is provided with compact heap (6.6), by compact heap (6.6), silvalin is compressed, described support bar (6.4) connects bootstrap block (6.8), and applying glue pipe (6.7) is provided with between bootstrap block (6.8) and compact heap (6.6), silvalin realizes silvalin by bootstrap block (6.8) and carries out track winding according to Lay up design requirement, and by compact heap (6.6), silvalin is pressed on mould (5).

The downside of above-mentioned fixture main shaft (6.1) connects dial gauge (6.11) by dial indicator holder (6.12), and the bottom of fixture main shaft (6.1) is provided with calibration cusp (6.10).

The upside of above-mentioned spring (6.3) is provided with adjusting nut (6.2), is adjusted the elasticity of spring (6.3) by adjusting nut (6.2).

Reductor (14), spindle servo electric machine (15) and pivoted arm servomotor (16), reductor (17), shaft coupling (18) is installed in above-mentioned mainframe box (1), described spindle servo electric machine (15) connects reductor (14), reductor (14) connects one end of main shaft (13), the other end of main shaft (13) is arranged on rotary support (11) center by bearing (12), and the Outboard Sections of main shaft (13) installs Wound Dies (5); Described shaft coupling (18) is connected to pivoted arm (7) by auxiliary spindle (19), pinion (20), clutch air cylinder (21), and the outermost end of described pivoted arm (7) is equipped with pneumatic chuck (22).

Above-mentioned rotary support (11) is provided with scroll chuck (23).

Above-mentioned steeping vat (9), for realizing the infiltration being wound around yarn and resin paste, and with heating function, can realize the control to resin paste temperature under varying environment temperature conditions; Described resin paste is prepared from primarily of after each component mixing of following weight portion: 23-28 part epoxy resin, 55-60 part reinforcing glass fiber, 5-10 part filler, 1-2 part shrinking agent, 2-5 part curing agent, 0.3-0.5 part dispersant, 1-3 part ultraviolet-resistant absorbent.

Above-mentioned epoxy resin viscosity is 5000mPa.s, described reinforcing glass fiber is the assembled roving of below 2000TEX specification, described filler is the aerosil powder of particle diameter 5-10um, described shrinking agent is more than 99% concentration polystyrene, described curing agent is the modified aromatic amine of more than 99% concentration, described dispersant is high-purity ethylene base bis-stearamides, and described ultraviolet-resistant absorbent is modification BTA auxiliary agent.

In addition, need to further illustrate: mainframe box of the present invention (1) is equipment major impetus device, is the mould powered rotation source in product preparation process, with tailstock (4) common support also fixing Wound Dies, realize pipe fitting mold and rotate and start-stop; Manipulator (2), for being wound around yarn guider, carries out track winding for realizing being wound around yarn according to Lay up design requirement; Frame (3) is manipulator height adjuster, for realizing centre-height adjustment when different bore pipe fitting is wound around;

Wound Dies (5) adopts novel combination structure and hangs the design of yarn ring structure, is convenient to the low-angle winding that die assembly also can realize being wound around yarn; Being wound around fixture (6) is a kind of new-type winding yarn yarn comb clamping device, and 180 degree of tension force rotating and be wound around yarn that can realize yarn comb control;

In addition, pivoted arm (7) is grating sensor and supporting seat device, as safety device, in pipe fitting preparation process personnel near time play protective alarming effect, and the adjustment of angle and safe distance can be fixed according to pipe fitting specification and structure; Strainer (8) is the main device controlling to be wound around yarn tensile force, is convenient to the stability keeping being wound around yarn tension in pipe fitting preparation process; Gumming device (9), for realizing the infiltration being wound around yarn and resin paste, and with heating function, can realize the control to resin paste temperature under varying environment temperature conditions; Above-mentioned base (10) is equipment body supporting seat, fixes and keep equipment rigidity for equipment.

A kind of Filament-wound Machine fiberglass pipe fitting that the present invention mentions make technique, comprise the following steps:

(1) described epoxy resin and filler, shrinking agent, dispersant Homogeneous phase mixing are also fully uniformly dispersed, and are prepared into resin paste; Centrifugal mixer motor speed is not less than 30r/min, and mixing time is not less than 5min in the same direction, makes rear stand for standby use;

(2), when pipe fitting is produced, first by ready to equipment, winding yarn and control program, adjustment is wound around yarn tension in scope of design; Prepare resin paste by design quantity, add curing agent according to design proportion, and at the uniform velocity stir, cross-linking reaction time controls within 1-1.5h, completes resin paste and prepare before producing within 10min;

(3) Wound Dies is carried out heating preheating, preheating 20-30min in 60 DEG C of baking ovens, is assembled on equipment after taking-up in 10min, positions and calibrates, ready;

(4) carry out orientation winding 3-5 circle when manually connecing yarn to come off to being wound around the sliding yarn of yarn, startup automatic winding pattern, requires automatically to be wound around according to Lay up design;

(5), after tube manufacture completes, mould and Total Product are put into baking oven and carries out heating cure, heating and temperature control is at 120-150 DEG C, and hardening time is not less than 1h, determines according to products thickness;

(6) cool after having solidified, when being cooled to below 50 DEG C, carry out the finishing demoulding, and complete the cleaning of mould and assemble with for subsequent use.

In addition, need to further describe: the course of work of pivoted arm (7), manipulator (2) and Wound Dies (5) is as follows:

(a) through the glass fiber yarn that arrangement and glass fabric by after strainer (8) through the bootstrap block (6.8) being wound around fixture (6), one end is clamped on the pneumatic chuck (22) on pivoted arm (7); Pneumatic chuck (22) adopts self-locking cylinder to carry out folding control, and when pivoted arm (7) rotates to fixed position, clutch air cylinder (21) promotes clutch block and connects pneumatic circuit, drives self-locking cylinder thus makes pneumatic chuck (22) opening and closing; In pneumatic circuit, pressure test device is installed, detects clutch loop and self-locking cylinder opening and closing state; Pivoted arm (7) radius of gyration can regulate according to the radius of gyration of Wound Dies (5);

When () is wound around and starts b, pivoted arm servomotor (16) drives pivoted arm (7) to be rotated counterclockwise 90 degree; Pivoted arm (7) by level be rotated counterclockwise 90 degree to plumbness time, spindle servo electric machine (15) drive shaft (13) driven mold (5) and pivoted arm synchronous rotary; Pivoted arm (7) and mould (5) synchronously continue to rotate, and when pivoted arm (7) occurs dry and astringent with fibrous material, are wound around fixture (6) and are dodged by the rotating band kinetodesma material of manipulator; Manipulator (2) coordinates pivoted arm (7) and mould (5) synchronous rotary after 2 weeks, and stop operating at pivoted arm (7) stop position, now fibrous material has been wound on mould (5), after relieving fibrous material opened by clutch air cylinder (21) action pneumatic chuck (22), pivoted arm (7) rotates to waiting for position, and operation of starting completes;

C () is formally wound around beginning spindle servo electric machine (15) drive shaft (13) driven mold (5) and starts to rotate, be wound around fixture (6) under the drive of manipulator (2) slowly near mould (5) simultaneously, until silvalin is pressed on mould (5) by compact heap (6.6): manipulator (2) and spindle servo electric machine (15) enter loop synchronizer, drive mould (5) to rotate and be wound around fixture (6) compression silvalin simultaneously, and keep vertical with mould normal plane, what silvalin was laddering is wound to mould (5) surface from level to level; While being wound around, the spacer pin of adjustment of tonicity mechanism (8), makes silvalin tension force be in OK range; And by adjusting nut (6.2) adjustment compact heap (6.6) thrust on mould, carry out the secondary adjustment of silvalin tension force; Compact heap (6.8) can be changed because winding process is different with bootstrap block (6.8), can clear up, be used alternatingly with acknowledgment copy after being wound around under fast dismantling;

D the fixture overcoat (6.5) being wound around fixture (6) is pulled down by (), fixture main shaft (6.1) leading portion position is processed with calibration thimble (6.10) and dismountable dial indicator holder (6.9) and dial gauge (6.11), for the calibration use that manipulator is programmed.

Fiberglass manufacturing process of pipe fitting provided by the invention is that after Wrapping formed, hot setting forms with epoxy resin and glass fibre for main raw material(s).The present invention is by the exploitation of special equipment, mould and winding fixture, supporting specifically developed formula, solve the problem of the aspects such as product high strength, high efficiency, exquisite appearance, steady quality, Automatic Control, the traditional manual winding shaping process in this field can be substituted completely.

The present invention is relative to traditional manual winding shaping process, Preparation equipment, mould and winding fixture have been carried out brand-new design by the present invention, the design of mould gear yarn ring structure can realize the low-angle winding being wound around yarn, realize the ply angles Whole fiber of product, instead of traditional handicraft for ensureing that product axial strength adopts " fiberglass fibers yarn+glass fabric " to replace the Lay up design be wound around, production efficiency significantly promotes, constant product quality.

The winding fixture being wound around yarn yarn comb adopts brand new design, and can realize being wound around yarn yarn comb in product preparation process and move in parallel along mould track, automatic adjustment direction, ensures the perpendicularity being wound around yarn and die surface, ensure tension stability.

Quoting of robot device, can realize the stepless speed regulation in pipe fitting winding process, carries out translational speed adjustment according to the profile variations of pipe fitting mold and the difference of winding path, ensures the stable of relative linear velocity, thus ensures the stable of product quality.

In the material prescription of tubing products, with the addition of a certain amount of ultraviolet-resistant absorbent, its ageing-resistant performance increases substantially, and the design service life that simulated experiment records can reach more than 20 years;

The experimental study of above material prescription, make the pipe fitting mechanical property prepared by the present invention promote more than 20%, single device production efficiency improves more than more than 20%, two equipment parallel connections and produces simultaneously, and production efficiency improves more than 40%.

In sum, significantly, relative to cable trough prepared by old manual winding shaping process, under the prerequisite ensureing product quality, integrated cost can reduce by more than 15% for the present invention and the tubing products each side advantage of employing prepared by the present invention.

The above, be only part preferred embodiment of the present invention, any those of ordinary skill in the art all may utilize the technical scheme correct of above-mentioned elaboration or are revised as equivalent technical scheme.Therefore, any simple modification of carrying out according to technical scheme of the present invention or substitute equivalents, belong to the scope of protection of present invention to the greatest extent.

Claims (10)

1. a Filament-wound Machine fiberglass pipe fitting make equipment, it is characterized in that: comprise mainframe box (1), manipulator (2), frame (3), tailstock (4), Wound Dies (5), be wound around fixture (6), pivoted arm (7), strainer (8), steeping vat (9), base (10) and steeping vat support, mainframe box (1) is installed in the side of base (10), opposite side mounted tailstock (4), at the side installation frame (3) of tailstock (4), the upper installation manipulator (2) of frame (3), be provided with at the end of manipulator (2) and be wound around fixture (6), and as the guider of silvalin, described mainframe box (1) connects pivoted arm (7) and main shaft (13), and one end of main shaft (13) is connected with mainframe box (1), and the other end is connected with tailstock (4) top, and the centre of Wound Dies main shaft is fixed with Wound Dies (5), described pivoted arm (7) is L-type structure pivoted arm (7), and pivoted arm (7) is by mainframe box (1) driven rotary,
Be provided with steeping vat support on the side of base (10), steeping vat support is provided with steeping vat (9) and strainer (8), and glass fibre is by strainer (8) afterwards through being wound around fixture (6), and one end is clamped on the pneumatic chuck on pivoted arm (7).
2. Filament-wound Machine fiberglass pipe fitting according to claim 1 make equipment, it is characterized in that: described winding fixture (6) comprises fixture main shaft (6.1), spring (6.3), support bar (6.4), fixture overcoat (6.5), compact heap (6.6), applying glue pipe (6.7), bootstrap block (6.8), the upper cover of fixture main shaft (6.1) has spring (6.3), spring (6.3) bottom is fixture overcoat (6.5), support bar (6.4) is installed on the top of fixture overcoat (6.5), bottom is provided with compact heap (6.6), by compact heap (6.6), silvalin is compressed, described support bar (6.4) connects bootstrap block (6.8), and applying glue pipe (6.7) is provided with between bootstrap block (6.8) and compact heap (6.6), silvalin realizes silvalin by bootstrap block (6.8) and carries out track winding according to Lay up design requirement, and by compact heap (6.6), silvalin is pressed on mould (5).
3. Filament-wound Machine fiberglass pipe fitting according to claim 2 make equipment, it is characterized in that: the downside of described fixture main shaft (6.1) connects dial gauge (6.11) by dial indicator holder (6.12), and the bottom of fixture main shaft (6.1) is provided with calibration cusp (6.10).
4. Filament-wound Machine fiberglass pipe fitting according to claim 2 make equipment, it is characterized in that: the upside of described spring (6.3) is provided with adjusting nut (6.2), is adjusted the elasticity of spring (6.3) by adjusting nut (6.2).
5. Filament-wound Machine fiberglass pipe fitting according to claim 1 make equipment, it is characterized in that: in described mainframe box (1), install reductor (14), spindle servo electric machine (15) and pivoted arm servomotor (16), reductor (17), shaft coupling (18), described spindle servo electric machine (15) connects reductor (14), reductor (14) connects one end of main shaft (13), the other end of main shaft (13) is arranged on rotary support (11) center by bearing (12), and the Outboard Sections of main shaft (13) installs Wound Dies (5); Described shaft coupling (18) is connected to pivoted arm (7) by auxiliary spindle (19), pinion (20), clutch air cylinder (21), and the outermost end of described pivoted arm (7) is equipped with pneumatic chuck (22).
6. Filament-wound Machine fiberglass pipe fitting according to claim 5 make equipment, it is characterized in that: described rotary support (11) is provided with scroll chuck (23).
7. Filament-wound Machine fiberglass pipe fitting according to claim 1 make equipment, it is characterized in that: described steeping vat (9) is for realizing being wound around the infiltration of yarn and resin paste, and with heating function, the control to resin paste temperature under varying environment temperature conditions can be realized; Described resin paste is prepared from primarily of after each component mixing of following weight portion: 23-28 part epoxy resin, 55-60 part reinforcing glass fiber, 5-10 part filler, 1-2 part shrinking agent, 2-5 part curing agent, 0.3-0.5 part dispersant, 1-3 part ultraviolet-resistant absorbent.
8. Filament-wound Machine fiberglass pipe fitting according to claim 7 make equipment, it is characterized in that: described epoxy resin viscosity is 5000mPa.s, described reinforcing glass fiber is the assembled roving of below 2000TEX specification, described filler is the aerosil powder of particle diameter 5-10um, described shrinking agent is more than 99% concentration polystyrene, described curing agent is the modified aromatic amine of more than 99% concentration, described dispersant is high-purity ethylene base bis-stearamides, and described ultraviolet-resistant absorbent is modification BTA auxiliary agent.
9. the Filament-wound Machine fiberglass pipe fitting as described in claim 1-8 make a technique, it is characterized in that: comprise the following steps:
(1) described epoxy resin and filler, shrinking agent, dispersant Homogeneous phase mixing are also fully uniformly dispersed, and are prepared into resin paste; Centrifugal mixer motor speed is not less than 30r/min, and mixing time is not less than 5min in the same direction, makes rear stand for standby use;
(2), when pipe fitting is produced, first by ready to equipment, winding yarn and control program, adjustment is wound around yarn tension in scope of design; Prepare resin paste by design quantity, add curing agent according to design proportion, and at the uniform velocity stir, cross-linking reaction time controls within 1-1.5h, completes resin paste and prepare before producing within 10min;
(3) Wound Dies is carried out heating preheating, preheating 20-30min in 60 DEG C of baking ovens, is assembled on equipment after taking-up in 10min, positions and calibrates, ready;
(4) carry out orientation winding 3-5 circle when manually connecing yarn to come off to being wound around the sliding yarn of yarn, startup automatic winding pattern, requires automatically to be wound around according to Lay up design;
(5), after tube manufacture completes, mould and Total Product are put into baking oven and carries out heating cure, heating and temperature control is at 120-150 DEG C, and hardening time is not less than 1h, determines according to products thickness;
(6) cool after having solidified, when being cooled to below 50 DEG C, carry out the finishing demoulding, and complete the cleaning of mould and assemble with for subsequent use.
10. Filament-wound Machine fiberglass pipe fitting according to claim 9 make technique, it is characterized in that: the course of work of pivoted arm (7), manipulator (2) and Wound Dies (5) is as follows:
(a) through the glass fiber yarn that arrangement and glass fabric by after strainer (8) through the bootstrap block (6.8) being wound around fixture (6), one end is clamped on the pneumatic chuck (22) on pivoted arm (7); Pneumatic chuck (22) adopts self-locking cylinder to carry out folding control, and when pivoted arm (7) rotates to fixed position, clutch air cylinder (21) promotes clutch block and connects pneumatic circuit, drives self-locking cylinder thus makes pneumatic chuck (22) opening and closing; In pneumatic circuit, pressure test device is installed, detects clutch loop and self-locking cylinder opening and closing state; Pivoted arm (7) radius of gyration can regulate according to the radius of gyration of Wound Dies (5);
When () is wound around and starts b, pivoted arm servomotor (16) drives pivoted arm (7) to be rotated counterclockwise 90 degree; Pivoted arm (7) by level be rotated counterclockwise 90 degree to plumbness time, spindle servo electric machine (15) drive shaft (13) driven mold (5) and pivoted arm synchronous rotary; Pivoted arm (7) and mould (5) synchronously continue to rotate, and when pivoted arm (7) occurs dry and astringent with fibrous material, are wound around fixture (6) and are dodged by the rotating band kinetodesma material of manipulator; Manipulator (2) coordinates pivoted arm (7) and mould (5) synchronous rotary after 2 weeks, and stop operating at pivoted arm (7) stop position, now fibrous material has been wound on mould (5), after relieving fibrous material opened by clutch air cylinder (21) action pneumatic chuck (22), pivoted arm (7) rotates to waiting for position, and operation of starting completes;
C () is formally wound around beginning spindle servo electric machine (15) drive shaft (13) driven mold (5) and starts to rotate, be wound around fixture (6) under the drive of manipulator (2) slowly near mould (5) simultaneously, until silvalin is pressed on mould (5) by compact heap (6.6): manipulator (2) and spindle servo electric machine (15) enter loop synchronizer, drive mould (5) to rotate and be wound around fixture (6) compression silvalin simultaneously, and keep vertical with mould normal plane, what silvalin was laddering is wound to mould (5) surface from level to level; While being wound around, the spacer pin of adjustment of tonicity mechanism (8), makes silvalin tension force be in OK range; And by adjusting nut (6.2) adjustment compact heap (6.6) thrust on mould, carry out the secondary adjustment of silvalin tension force; Compact heap (6.8) can be changed because winding process is different with bootstrap block (6.8), can clear up, be used alternatingly with acknowledgment copy after being wound around under fast dismantling;
D the fixture overcoat (6.5) being wound around fixture (6) is pulled down by (), fixture main shaft (6.1) leading portion position is processed with calibration thimble (6.10) and dismountable dial indicator holder (6.9) and dial gauge (6.11), for the calibration use that manipulator is programmed.
CN201510950758.6A 2015-12-19 2015-12-19 Equipment and manufacturing process is made in a kind of fiber fw frp pipe fitting CN105459412B (en)

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Cited By (6)

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Publication number Priority date Publication date Assignee Title
CN105835345A (en) * 2016-05-23 2016-08-10 苏州市木易船舶设备有限公司 Filament winding process of epoxy glass reinforced plastic tee joint
CN105922606A (en) * 2016-05-23 2016-09-07 苏州市木易船舶设备有限公司 Winding molding process of epoxy glass steel elbow
CN106584828A (en) * 2016-11-28 2017-04-26 广东亿洋管业科技有限公司 Coiling guide mechanism for coiling wires of net pipe
WO2018046003A1 (en) * 2016-09-12 2018-03-15 胜利油田新大管业科技发展有限责任公司 Glass fiber reinforced plastic downhole pipe for separate layer water injection
CN109176182A (en) * 2018-10-19 2019-01-11 任磊 Device is repaired in a kind of High Precision Automatic milling for aero titanium alloy pipe structure
CN109703063A (en) * 2019-02-25 2019-05-03 哈尔滨工业大学 One kind being used for the molding robot fiber winding head of tee tube

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CN104723574A (en) * 2015-03-30 2015-06-24 台州市黄岩双盛塑模有限公司 Automatic numerical control winding machine for glass fiber composite material elbows
CN205343843U (en) * 2015-12-19 2016-06-29 胜利油田新大管业科技发展有限责任公司 Equipment of making of fibre winding FRP pipe spare

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CN101700696A (en) * 2009-11-10 2010-05-05 文登鸿通管材有限公司 Method for manufacturing elbow tube piece made of resin-based composite material and device thereof
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CN105835345A (en) * 2016-05-23 2016-08-10 苏州市木易船舶设备有限公司 Filament winding process of epoxy glass reinforced plastic tee joint
CN105922606A (en) * 2016-05-23 2016-09-07 苏州市木易船舶设备有限公司 Winding molding process of epoxy glass steel elbow
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WO2018046003A1 (en) * 2016-09-12 2018-03-15 胜利油田新大管业科技发展有限责任公司 Glass fiber reinforced plastic downhole pipe for separate layer water injection
CN106584828A (en) * 2016-11-28 2017-04-26 广东亿洋管业科技有限公司 Coiling guide mechanism for coiling wires of net pipe
CN109176182A (en) * 2018-10-19 2019-01-11 任磊 Device is repaired in a kind of High Precision Automatic milling for aero titanium alloy pipe structure
CN109703063A (en) * 2019-02-25 2019-05-03 哈尔滨工业大学 One kind being used for the molding robot fiber winding head of tee tube

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