CN102179945A - Production process of large-calibre epoxy glass fiber and braided strap winding extrusion draw pipe - Google Patents
Production process of large-calibre epoxy glass fiber and braided strap winding extrusion draw pipe Download PDFInfo
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- CN102179945A CN102179945A CN2011101037298A CN201110103729A CN102179945A CN 102179945 A CN102179945 A CN 102179945A CN 2011101037298 A CN2011101037298 A CN 2011101037298A CN 201110103729 A CN201110103729 A CN 201110103729A CN 102179945 A CN102179945 A CN 102179945A
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- trombone slide
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Abstract
The invention discloses a production process of a large-calibre epoxy glass fiber and braided strap winding extrusion draw pipe, comprising the following steps of: (1) selecting materials: selecting glass fiber filaments, epoxy resins and glass fiber braided straps as materials, and carrying out orientation distribution on the glass fiber braided straps; (2) dipping glue; (3) scraping the glue for performing; (4) carrying out orientation winding; (5) carrying out heat forming; and (6) cutting into finished products. In the invention, the outer diameter of a produced epoxy glass fiber extrusion draw pipe produced by the production process disclosed by the invention is 10-1000 mm, and therefore, cracking phenomenon is prevented from being generated in the extruding and drawing process of an extrusion draw pipe with a diameter larger than 30 mm in the traditional process and the production of the epoxy glass fiber extrusion draw pipe with the diameter larger than 30 mm becomes real; the production process is simple to operate, greatly enhances the torsional strength and the split strength of the extrusion draw pipe and reduces the operational risks of enterprises; in addition, a product produced by the process meets the requirements on design and quality, effectively enlarges the application range of the epoxy glass fiber extrusion draw pipe and is one of significant innovations of the production process of the large-calibre epoxy glass fiber and braided strap winding extrusion draw pipes throughout history.
Description
Technical field
What the present invention relates to is a kind of crowded trombone slide manufacturing technology field, and what be specifically related to is that a kind of epoxy glass fiber, ribbon twine crowded trombone slide production technology.
Background technology
It is to be soaked with epoxy resin by electrician's alkali-free glass fibre that epoxy glass fiber squeezes trombone slide, in mould, be heating and curing, squeeze continuously and draw the rounded pipe in cross section that forms, should squeeze trombone slide and have high mechanical performance, dielectric properties and favorable mechanical processability, be applicable to and make the insulation system parts in the electric equipment, and can under the wet environment condition He in the transformer, use.
Along with science and technology development, some specific high-technology field is more and more to the demand of the crowded trombone slide of high-quality epoxy glass fiber of different cultivars and specification, but in the production technology of existing crowded trombone slide, when pulling out diameter greater than the crowded trombone slide of 30mm by pulling equipment, because expansion and the stress that shrink to produce of epoxy resin in solidification process is bigger, causes easily in process of production and squeezes the trombone slide cracking.Therefore, existing production technology of squeezing trombone slide can't be produced the bigger epoxy glass fiber of diameter and squeeze trombone slide, existing epoxy glass fiber squeezes trombone slide and is the crowded trombone slide of the less epoxy glass fiber of diameter, general diameter is at 5～25mm, can't satisfy the demand of existing market, thereby influence the promotion and application scope of crowded trombone slide the crowded trombone slide of larger-diameter high mechanical properties and electric property.
Summary of the invention
At the deficiency that exists on the prior art, the object of the invention is to provide a kind of production technology that can produce heavy caliber epoxy glass fiber and the crowded trombone slide of ribbon winding.This technological operation is simple, has avoided squeezing in the production process cracking phenomena of trombone slide, and the product mechanical strength height of production can reach the requirement of design and quality.
To achieve these goals, the present invention realizes by the following technical solutions:
Heavy caliber epoxy glass fiber and ribbon twine and squeeze the trombone slide production technology, it is characterized in that this processing step is as follows:
(1) selects material; Selecting filament of glass fiber, epoxy resin, glass braid band is material, and filament of glass fiber, glass braid band distribution of orientations are formed long fibre;
(2) impregnation; Long fibre in the step (1) is divided into some bundle plying long fibres uniformly by first spreader, is placed on then and carries out impregnation in the glue groove, during impregnation glue is immersed from long stapled top toward the below, what this glue adopted is epoxide-resin glue;
(3) frictioning preformed; By second spreader surplus glue on the long fibre is wiped off again by the some bundle plying long fibres behind the impregnation, long fibre and epoxy resin are sticked to one, tentatively be arranged as round tubularly by the plying of the some bundles behind frictioning long fibres, be preliminary preformed operation;
(4) orientation is twined; For increasing the antitorque and split resistance of tubing, increase Wei to the ribbon winding step in preformed with between being heating and curing.Long fibre after the preformed is carried out uniform winding with fiber woven belt, make the fiber strap be wrapped on the long fibre fully, when twining, Wei is applied certain force of strain to fiber woven belt, itself and preforming material are combined closely, axially squeeze on one side and draw, Wei increases certain bond stress and bonding force to longitudinal fiber, to improve antitorque and split resistance to winding on one side;
(5) add thermal finalization; Long fibre after the preliminary integer in the step (4) is sent into mould, add thermal finalization by mould after, go out approved product by the pulling equipment continuous drawing again.Because of expansion and the contraction change effect of epoxy resin in solidification process, make traditional crowded drawing-die tool can't guarantee that Ф squeezes trombone slide and do not ftracture more than 30, the present invention has adopted the reducing type core, the internal stress of crowded trombone slide when solidifying discharged fully, thoroughly solved crowded trombone slide and squeezed the cracking problem that is pulled through in the journey;
(6) cutting finished product; After products solidifying to be finalized the design, the cooling, be cut into finished product by cutting machine.
As preferably, described first spreader and second spreader are provided with a plurality of dividing sinker mouths of rounded arrangement, and this circular diameter squeezes the external diameter of trombone slide greater than epoxy glass fiber to be produced.
As preferably, the round diameter that a plurality of dividing sinker mouths of described first spreader and second spreader are arranged is 10～1000mm.
As preferably, the round diameter that a plurality of dividing sinker mouths of described first spreader and second spreader are arranged is 50～250mm.
As preferably, the round diameter that a plurality of dividing sinker mouths of described first spreader and second spreader are arranged is 30～150mm.
As preferably, in the described long fiber fraction, fiber content is 75～83%, and resin content is 17～25%.
The present invention passes through technique scheme, make the crowded trombone slide diameter of epoxy glass fiber of its production reach 10～1000mm, avoided in the existing technology squeezing stretching footpath and squeezed the generation that is pulled through phenomenon of rupture in the journey greater than the crowded trombone slide of 30mm, make diameter squeeze producing of trombone slide for reality greater than the epoxy glass fiber of 30mm, its technological operation is simple, improve the antitorque and split resistance that product squeezes trombone slide, reduced enterprise business risk; The product of this explained hereafter reaches the requirement of design and quality, can be widely used in doing in the electric equipment fields such as insulation system parts and each pipeline, and can under the wet environment condition He in the transformer, use, having enlarged epoxy glass fiber effectively and squeezed the trombone slide range of application, is that heavy caliber epoxy glass fiber and ribbon twine one of great innovation of squeezing the trombone slide production technology since the dawn of human civilization.
Description of drawings
Describe the present invention in detail below in conjunction with the drawings and specific embodiments;
Fig. 1 is a process chart of the present invention.
Fig. 2 is the formpiston structural representation of reducing type core of the present invention.
The specific embodiment
For technological means, creation characteristic that the present invention is realized, reach purpose and effect is easy to understand, below in conjunction with the specific embodiment, further set forth the present invention.
Embodiment:
Referring to Fig. 1, a kind of tensile strength that present embodiment provides is big, can produce larger-diameter heavy caliber epoxy glass fiber and ribbon and twine and squeeze the trombone slide production technology, present embodiment with produce external diameter be the epoxy glass fiber of 50mm to squeeze trombone slide be example, this processing step is as follows:
(1) selects material; Selecting epoxy glass fiber silk, epoxy resin, glass braid band is material, glass fiber, glass braid band distribution of orientations is formed long fibre, by spreader and wrapping head.
In long fiber fraction, fiber content is 75～83%, and resin content is 17～25%, and by this component, it has increased the comprehensive mechanical intensity that epoxy glass fiber squeezes trombone slide.Long fiber content in the present embodiment is 80%, and resin content is 19%.
(2) impregnation; Long fibre in the step (1) is divided into some bundle long fibres uniformly by first spreader, is placed on then and carries out the impregnation operation in the glue groove; This impregnation operation is that glue is immersed from long stapled top toward the below, and what this glue adopted is epoxide-resin glue.In the present embodiment, process a plurality of dividing sinker mouths at first spreader, the uniform rounded arrangement of these a plurality of dividing sinker mouths, the external diameter that the circular radius of arrangement is set to greater than the crowded trombone slide of epoxy glass fiber to be produced is 50mm, is convenient to operation.
(3) frictioning preformed; By second spreader surplus glue on the long fibre is wiped off again by the some bundle plying long fibres behind the impregnation, long fibre and epoxy resin are sticked to one, tentatively be arranged as round tubularly by the plying of the some bundles behind frictioning long fibres, be preliminary preformed operation.
In the present embodiment, second spreader equally also has a plurality of dividing sinker mouths, and these a plurality of dividing sinker mouths are identical with the dividing sinker mouth arrangement of first spreader, promptly all rounded arrangement, this round diameter is greater than producing the external diameter that epoxy glass fiber squeezes trombone slide.
Among the present invention, it is 10～1000mm that this round diameter can be provided with scope, present embodiment be with produce external diameter be the epoxy glass fiber of 50mm to squeeze trombone slide be example, it is 60mm that a plurality of dividing sinker mouths of this first spreader and second spreader are arranged routine round diameter.
(4) orientation is twined; For increasing the antitorque and split resistance of tubing, increase Wei to the ribbon winding step in preformed with between being heating and curing.Long fibre after the preformed is carried out uniform winding with fiber woven belt, make the fiber strap be wrapped on the long fibre fully, when twining, Wei is applied certain force of strain to fiber woven belt, itself and preforming material are combined closely, axially squeeze on one side and draw, Wei increases certain bond stress and bonding force to longitudinal fiber, to improve antitorque and split resistance to winding on one side;
(5) add thermal finalization; Long fibre after the preformed in the step (4) is sent into mould, add thermal finalization by mould after, go out approved product by the pulling equipment continuous drawing again.Because of expansion and the contraction change effect of epoxy resin in solidification process, make traditional crowded drawing-die tool can't guarantee that Ф squeezes trombone slide and do not ftracture more than 30.
As Fig. 2, shown in, mould of the present invention has adopted the reducing type core, this reducing type core comprise former and with suitable formpiston; Formpiston comprises isometrical preheating initial set section 1, cure shrinkage section 2 that diameter successively decreases gradually and isometrical back solidifying and setting section 3, cure shrinkage section 2 is arranged between back solidifying and setting section 3 and the preheating initial set 1, the diameter of the maximum end of described cure shrinkage section 2 and preheating initial set section 1 equal diameters, the equal diameters of its smallest end diameter and back solidifying and setting section 3, core structure by this structure is discharged the internal stress of crowded trombone slide when solidifying fully, has thoroughly solved crowded trombone slide and has squeezed the cracking problem that is pulled through in the journey.
For ease of using, what this pulling equipment adopted is chain pulling type hauling machine, and the approved product that will produce from mould is pulled out mould by chain pulling type hauling machine continuous drawing with approved product.
(6) cutting finished product; Approved product by pulling equipment pulls out behind its cooling curing, is cut into satisfactory finished product by cutting machine.
The long fibre strap of present embodiment is adoptable to be no latitude band, fabric, glass fibre etc., when passing through pulling equipment continuous drawing approved product, the staff is twined ribbon continuously by wrapping head to long fibre, the efficient of raising work is provided, and its technological operation is simple.
Through test, the external diameter that the epoxy glass fiber of present embodiment production squeezes trombone slide is 50mm, and hot strength is 1190MPa, and bending strength is 860MPa, does not occur squeezing the phenomenon of rupture of trombone slide in the production process, and qualification rate is more than 95%.
The present invention passes through technique scheme, can produce external diameter is the crowded trombone slide of epoxy glass fiber of 10 ~ 1000mm, avoided squeezing in the existing technology of the generation of stretching footpath greater than cracking phenomena in the crowded trombone slide process of 30mm, make diameter squeeze producing of trombone slide for reality greater than the epoxy glass fiber of 30mm, satisfy enterprise to various outside dimension requirements, improve the tensile strength of crowded trombone slide, reduced enterprise business risk.
And, the product of this explained hereafter reaches the requirement of design and quality, can be widely used in doing in the electric equipment fields such as insulation system parts and each pipeline, and can under the wet environment condition He in the transformer, use, having enlarged epoxy glass fiber effectively and squeezed the trombone slide range of application, is that heavy caliber epoxy glass fiber and ribbon twine one of great innovation of squeezing the trombone slide production technology since the dawn of human civilization.
More than show and declarative description basic principle of the present invention, principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; that describes in the foregoing description and the specification just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof
Claims (7)
1. heavy caliber epoxy glass fiber and ribbon twine and squeeze the trombone slide production technology, it is characterized in that this processing step is as follows:
(1) selects material; Selecting filament of glass fiber, epoxy resin, glass braid band is material, and filament of glass fiber, glass braid band distribution of orientations are formed long fibre;
(2) impregnation; Long fibre in the step (1) is divided into some bundle plying long fibres uniformly by first spreader, is placed on then and carries out impregnation in the glue groove, during impregnation glue is immersed from long stapled top toward the below, what this glue adopted is epoxide-resin glue;
(3) frictioning preformed; By second spreader surplus glue on the long fibre is wiped off again by the some bundle plying long fibres behind the impregnation, long fibre and epoxy resin are sticked to one, tentatively be arranged as round tubularly by the plying of the some bundles behind frictioning long fibres, be preliminary preformed operation;
(4) orientation is twined; Long fibre after the preformed is carried out uniform winding with fiber woven belt, fiber woven belt is wrapped on the long fibre fully, when twining, Wei is applied certain force of strain to fiber woven belt, itself and preforming material are combined closely, squeeze on one side axially and draw, on one side Wei to winding;
(5) add thermal finalization; Long fibre after the preliminary integer in the step (4) is sent into mould, add thermal finalization by the mould that is provided with the reducing type core after, go out product to be finalized the design by the pulling equipment continuous drawing again;
(6) cutting finished product; After products solidifying to be finalized the design, the cooling, be cut into finished product by cutting machine.
2. heavy caliber epoxy glass fiber according to claim 1 and ribbon twine and squeeze the trombone slide production technology, it is characterized in that, described first spreader and second spreader are provided with a plurality of dividing sinker mouths of rounded arrangement, and this circular diameter squeezes the external diameter of trombone slide greater than epoxy glass fiber to be produced.
3. heavy caliber epoxy glass fiber according to claim 2 and ribbon twine and squeeze the trombone slide production technology, it is characterized in that, the round diameter that a plurality of dividing sinker mouths of described first spreader and second spreader are arranged is 10～1000mm.
4. heavy caliber epoxy glass fiber according to claim 2 and ribbon twine and squeeze the trombone slide production technology, it is characterized in that, the round diameter that a plurality of dividing sinker mouths of described first spreader and second spreader are arranged is 50～250mm.
5. heavy caliber epoxy glass fiber according to claim 2 and ribbon twine and squeeze the trombone slide production technology, it is characterized in that, the round diameter that a plurality of dividing sinker mouths of described first spreader and second spreader are arranged is 30～150mm.
6. heavy caliber epoxy glass fiber according to claim 1 and ribbon twine and squeeze the trombone slide production technology, it is characterized in that in the described long fiber fraction, fiber content is 75～83%, and resin content is 17～25%.
7. heavy caliber epoxy glass fiber according to claim 1 and ribbon twine and squeeze the trombone slide production technology, it is characterized in that, described reducing type core comprise former and with suitable formpiston, described formpiston comprises isometrical preheating initial set section, cure shrinkage section that diameter successively decreases gradually and isometrical back solidifying and setting section, described cure shrinkage section is arranged between preheating initial set and the back solidifying and setting section, the diameter of the maximum end of described cure shrinkage section and preheating initial set section equal diameters, the equal diameters of its smallest end diameter and back solidifying and setting section.
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| CN 201110103729 CN102179945B (en) | 2011-04-25 | 2011-04-25 | Production process of large-calibre epoxy glass fiber and braided strap winding extrusion draw pipe |
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| CN102179945B CN102179945B (en) | 2013-03-06 |
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| CN102777708A (en) * | 2012-07-25 | 2012-11-14 | 广东宝通玻璃钢有限公司 | Fiber-woven pultrusion pipeline and production method |
| CN104109945A (en) * | 2013-05-20 | 2014-10-22 | 余成东 | Method for manufacturing powerful band |
| CN106003760A (en) * | 2016-07-14 | 2016-10-12 | 王瑛玮 | Composite hollow profile prepared through pultrusion-winding composite molding |
| CN106182817A (en) * | 2016-07-14 | 2016-12-07 | 王瑛玮 | Pultrusion is wound around composite molding and prepares composite |
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| CN104109945A (en) * | 2013-05-20 | 2014-10-22 | 余成东 | Method for manufacturing powerful band |
| CN109070389B (en) * | 2016-04-11 | 2021-06-15 | 三菱化学株式会社 | Method for producing fiber-reinforced resin material and apparatus for producing fiber-reinforced resin material |
| CN109070389A (en) * | 2016-04-11 | 2018-12-21 | 三菱化学株式会社 | The manufacturing method of fibre reinforced resin material and the manufacturing device of fibre reinforced resin material |
| CN106003760A (en) * | 2016-07-14 | 2016-10-12 | 王瑛玮 | Composite hollow profile prepared through pultrusion-winding composite molding |
| CN106182816A (en) * | 2016-07-14 | 2016-12-07 | 王瑛玮 | Pultrusion is wound around composite molding laser curing and prepares composite material hollow section bar |
| CN106182820A (en) * | 2016-07-14 | 2016-12-07 | 王瑛玮 | Pultrusion laser curing prepares composite material anchor shaft |
| CN106182817A (en) * | 2016-07-14 | 2016-12-07 | 王瑛玮 | Pultrusion is wound around composite molding and prepares composite |
| CN106182816B (en) * | 2016-07-14 | 2019-05-07 | 安徽森德新材料科技发展有限公司 | The method that pultrusion winding composite molding laser curing prepares composite material hollow profile |
| CN106182717A (en) * | 2016-07-15 | 2016-12-07 | 山东齐鲁武峰塑料制品有限公司 | High-strength PVC winding pipe winding of single layer technique |
| CN106182717B (en) * | 2016-07-15 | 2019-01-01 | 山东齐鲁武峰塑料制品有限公司 | High-strength PVC winding pipe winding of single layer technique |
| CN106273557A (en) * | 2016-08-22 | 2017-01-04 | 王瑛玮 | Pultrusion laser curing prepares composite |
| CN106273388A (en) * | 2016-11-01 | 2017-01-04 | 厦门腾达祥管业有限公司 | PVC composite glass steel pipe continuous-winding forming device |
| CN106273384A (en) * | 2016-11-01 | 2017-01-04 | 厦门腾达祥管业有限公司 | Glass reinforced plastic pipe continuous-winding forming technique |
| CN110649502A (en) * | 2018-06-27 | 2020-01-03 | 国网河南省电力公司检修公司 | 200 kN-level hard insulation pull rod of +/-1100 kV extra-high voltage direct-current transmission line |
| CN110649502B (en) * | 2018-06-27 | 2021-11-05 | 国网河南省电力公司检修公司 | 200 kN-level hard insulation pull rod of +/-1100 kV extra-high voltage direct-current transmission line |
| CN110193958A (en) * | 2019-05-17 | 2019-09-03 | 张家港市威尔森环保设备有限公司 | A kind of reinforcing rib winding preparation method |
| CN111716759A (en) * | 2020-06-10 | 2020-09-29 | 福建省泉诚塑胶科技有限公司 | Fiber-woven pultrusion pipeline and manufacturing method |
| CN113246499A (en) * | 2021-05-19 | 2021-08-13 | 赵启林 | Large-diameter composite material pipe and preparation method and system thereof |
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