CN1587576A - Composite material twisted steel and its preparing method - Google Patents

Composite material twisted steel and its preparing method Download PDF

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Publication number
CN1587576A
CN1587576A CN 200410073660 CN200410073660A CN1587576A CN 1587576 A CN1587576 A CN 1587576A CN 200410073660 CN200410073660 CN 200410073660 CN 200410073660 A CN200410073660 A CN 200410073660A CN 1587576 A CN1587576 A CN 1587576A
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CN
China
Prior art keywords
composite
boundling
twisted steel
fiber
polyester
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CN 200410073660
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Chinese (zh)
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CN1321249C (en
Inventor
方敏
邹宇知
覃兆平
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北京玻璃钢研究设计院
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Priority to CNB2004100736609A priority Critical patent/CN1321249C/en
Publication of CN1587576A publication Critical patent/CN1587576A/en
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Publication of CN1321249C publication Critical patent/CN1321249C/en

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Abstract

The present invention discloses twisted reinforcing bar of composite material and its preparation, belongs to the field of building material, and aims at providing one kind of twisted reinforcing bar of composite material to replace steel bar and with high adhering and anchoring performance and light weight. The technological scheme is that the twisted reinforcing bar is prepared with polyester liquid and glass fiber in the weight ratio of 30-40 to 60-70 and through mixing and extruding. The twisted reinforcing bar is prepared in a combined forming apparatus and through the steps of leading out glass fiber, soaking in polyester liquid, drawing and extruding to form tow, winding fiber to the surface of the tow, curing at high temperature, stripping fiber to form the twisted reinforcing bar. The twisted reinforcing bar can meet the use requirement of reinforced concrete in tensile strength and anchoring force, and in serious corrosive environment, it has three times longer life than steel bar.

Description

A kind of composite material twisted steel and preparation method thereof

Technical field

The present invention relates to twisted steel commonly used in a kind of civil engineering, particularly a kind of composite material twisted steel that can replace the reinforcing bar use belongs to field of constructional engineering material.

Technical background

Twisted steel is a reinforcing material commonly used in the civil engineering, is mainly used in support, the reinforcing of scaffold and steel concrete reinforcement material.Traditional reinforcing bar is because from great, the labor intensive material resources, and not corrosion-resistant again, especially the reinforced concrete structure in weather cold district and coastal area is subject to salt erosion harm, and the domestic for this reason twisted steel of having developed with Composite Preparation substitutes reinforcing bar.Present existing composite material twisted steel moulding process roughly has two classes, pultrusion-mold pressing type and pultrusion-winding-type, basically all be to utilize the mode machining screw muscle that on the drawing and extruding bar of moulding, carries out back processing and form screw thread, this twisted steel can improve itself and concrete bond and anchor property, and can improve the brittle failure of material.But, the twisted steel that adopts above-mentioned two kinds of processes is through manufacturing procedure processing later, promptly on the drawing and extruding bar of moulding, carry out the processing of twisted steel again, drawing and extruding bar forms a factory interface with processing part thereafter, in practice of construction, this interface still influences the bonding anchoring property of this twisted steel to a great extent, can not reach the construction requirement of its steel concrete, again because of its complex procedures, can't implement to promote simultaneously.

Summary of the invention

At the defective that exists in the above-mentioned prior art, the object of the present invention is to provide a kind of light weight, composite material twisted steel that bond and anchor property is good and preparation method thereof.

For achieving the above object, the present invention has adopted following technical scheme: a kind of composite material twisted steel, form by polyester glue and glass fiber mixing pultrusion, and the ratio of weight and number of described polyester glue and described glass fiber is 30~40: 60~70.

Described polyester glue is made up of polyester, release agent, methyl ethyl ketone peroxide basically, and its parts by weight proportioning is: 100 parts of polyester, 0.4~0.8 part of remover, 1.8~2.2 parts of methyl ethyl ketone peroxides.

Described polyester is the metaphenylene resin, and described glass fiber is an alkali-free glass fibre.

For achieving the above object, the present invention provides a kind of preparation method of composite material twisted steel simultaneously, and its characteristics are: it comprises following operating procedure:

1) impregnation of fibers immerses described glass fiber in the described polyester glue and to soak into fully, and the serviceability temperature of its polyester glue is 15-35 ℃, and dip time is 20-30 second;

2) step 1) being flooded the glass fiber of polyester glue, under draw, is boundling through the yarn passing hole pultrusion on the preformed template, described pultrusion speed be 0.2-0.4 rice/minute;

3) in step 2) the boundling surface longitudinal of moulding twines one deck fortifying fibre, and described fortifying fibre is sheathed on the wind, and the winding angle of its fortifying fibre is directly proportional with described speed of wrap;

4) step 3) is had the boundling that twines fiber, introduce hot setting in the mould, its solidification temperature is 125~175 ℃, and described boundling and its winding fiber curing molding are one;

5) boundling that solidifies depanning through step 4) twines device by separating of a band Scroll and separates and twine, with the winding fiber on its boundling and this boundling sur-face peeling, described winding fiber has regular screw-shaped finished product through separating the Scroll rolling that twines on the device in the formation of boundling surface.

Above-mentioned steps 2) described preformed template is at least 2, and wherein adjacent with a step 1) side is that a porous is crossed the yarn template; A side adjacent with step 3) is that a single hole is crossed the yarn template, and porous is crossed the center of yarn template and the centre bore relative positioning setting that single hole is crossed the yarn template.

Above-mentioned steps 3) described fortifying fibre is glass fiber or metallic fiber, and its metallic fiber is iron wire or copper cash.

Above-mentioned steps 3) described dies cavity length is 1-1.5m.

Above-mentioned steps 3) described wind and step 5) described separate to twine be separately installed with drive motors on the device, two drive motors are with fast anti-phase setting, its motor speed is 300-400 rev/min.

Preparation method of the present invention be utilize one successively by creel, steeping vat, preformed frock, twine the moulding extruding equipment that frock and the draw-gear that has drive motors combine, by the glass fiber of putting on the draw-gear traction creel, behind impregnation, enter the pultrusion of preformed frock and become boundling, through twining the composite material twisted steel of frock, the serviceability temperature of its polyester glue is 15-35 ℃ to boundling again;

Among the above-mentioned preparation method, winding angle can be adjusted by pultrusion speed and speed of wrap, the size of the angle of thread that can design its product according to the use and the performance requirement of twisted steel.

Adopt the composite material twisted steel of technical solution of the present invention preparation, have following beneficial effect:

The present invention has adopted whole preformed frock, and mould, preformed template center are accurately located, and is as the criterion by mould, preforming mould Board position, regulate wind and separate and twine the Unit Installation position, control the pultrusion speed and the speed of wrap of its glass fiber and adjust winding angle, the product of preparing, its screw thread is by global formation, removed back manufacturing procedure from, the production efficiency height, constant product quality also has stronger tensile strength simultaneously, anchored force is big, lightweight advantage; In the environment of seriously corroded, anti-corrosion capability surpasses metal threaded muscle, and can substitute reinforcing bar fully and use in building operations; Composite material twisted steel of the present invention is compared with metal threaded muscle, and its application life can be above three times.

Description of drawings

Fig. 1 is the process flow diagram of twisted steel moulding of the present invention

Fig. 2 is the schematic appearance of twisted steel product of the present invention

The specific embodiment

Embodiment one:

Utilize a moulding extruding equipment that is installed on the stand to prepare composite material twisted steel.As shown in Figure 1, this moulding extruding equipment comprises creel, steeping vat 2, preformed frock, winding frock and the motor-driven draw-gear that sets gradually, and creel and draw-gear are divided into the two ends of this pultrusion equipment.Creel is equipped with two at least, and creel 11 and creel 12 are not tied a knot for fear of the yarn bundle, and several conductor loops are installed on each creel; Steeping vat 2 is arranged between creel and the preformed frock; The preformed frock is provided with two preformed templates at least, the preformed template adjacent with steeping vat 2 is that porous is crossed yarn template 31, the preformed template adjacent with twining frock is that single hole is crossed yarn template 32, the yarn passing hole that porous is crossed on the yarn template 31 is as the criterion by the identical Kong Yiqi plate center of a plurality of diameters, arranges with the formal rule of circumference; Porous is crossed the centre bore of yarn template 31 and the centre bore relative positioning setting that single hole is crossed yarn template 32; Twine frock and is made up of with outlet boundling plate 43 an inlet boundling plate 41, mould 42, inlet boundling plate 41, mould 42 are accurately located with the center that exports boundling plate 43, are as the criterion with the center of preformed frock; Be respectively arranged with wind 411 at the upside of the upside of inlet boundling plate 41 and outlet boundling plate 43 and twine device 431 with separating, wind 411 twines device 431 and is respectively equipped with motor driver with separating, and two motors are with fast anti-phase setting; Draw-gear is generally caterpillar belt structure, rotates continuously under its motor-driven that carries, and during start, earlier glass fiber yarn the end of a thread is introduced in the crawler belt, makes glass fiber constantly be pulled out from creel by the clamping of crawler belt up and down; Glass fiber under draw, more successively through steeping vat, preformed frock, twine after frock is shaped to composite material twisted steel of the present invention, through the clamping of crawler belt finished product is drawn.

Its operating procedure is as follows: select for use the alkali-free glass fibre of bulk to put on described creel 11 and creel 12, can put 50-100 alkali-free glass fibre group on each creel, under draw, many alkali-free glass fibres are pulled out by a plurality of conductor loops that are provided with on creel 11 and the creel 12 respectively, flood through the steeping vat 2 that fills the polyester glue again, this polyester glue is made up of the material of following parts by weight, wherein 100 parts of polyester, 1.8 parts of methyl ethyl ketone peroxides, 0.4 part of remover, the alkali-free glass fibre total amount of dipping and the proportioning of polyester glue are 40: 60.

In the present embodiment, the alkali-free glass fibre consumption is 280, puts respectively on two creels 11,12, stretches out 1 head for every, pulls out via a plurality of conductor loops that are provided with on creel 11 and the creel 12; Through polyester glue dipping, the temperature of polyester glue is set at 35 ℃; Dip time is unsuitable oversize, remains on about 25 seconds, and also difficult too short, time length will influence the intensity of glass fiber, and the polyester glue soaks into alkali-free glass fibre fully.

Above-mentioned polyester is selected the metaphenylene resin for use, and its product type is HETROM99P.

Alkali-free glass fibre behind the dipping is crossed yarn template 31 through porous, and to cross yarn template 32 pultrusions with single hole be boundling, its pultrusion speed be 0.2-0.4 rice/minute; The inlet boundling plate 41 of boundling through twining frock of pultrusion introduced, its upside is equipped with a wind 411, be arranged with fortifying fibre on the wind 411, by a motor-driven wind 411 fortifying fibre is wrapped in the boundling surface of introducing from inlet boundling plate 41, motor speed is 300 rev/mins; Fortifying fibre can be selected metallic fiber or glass fiber for use, and metallic fiber can be selected iron wire or copper cash for use; Present embodiment selects for use glass fiber to twine, and under draw, the boundling that twines through glass fiber enters hot setting in the mould 42, and solidification temperature is 145 ℃, and the interior cavity length of mould 42 is 1m; The boundling fiber is cured as one Cheng Qiwei with the winding fiber twines boundling; Winding boundling after the curing is drawn through outlet boundling plate 43, be equipped with to separate on the outlet boundling plate 43 and twine device 431, this separate twine device 431 be connected with one with the motor of the anti-phase setting of drive motors of wind 411, this motor speed is identical with the drive motors rotating speed of wind 411, is 300 rev/mins.The winding fiber on boundling surface is twined device 411 rollings through separating, its winding fiber and boundling are peeled off, form the screw-shaped composite material twisted steel 5 of rule of surface, as shown in Figure 2.

At last according to customer requirements, composite material twisted steel 5 is cut into desired size, the cutting of composite material twisted steel 5 can be fixed length cutting, cut the desirable arbitrfary point of fixed length cutting, employing is by the fixed-length cutting device of micro computer counting control, this device is installed in the pultrusion place of composite material twisted steel as fixture; The micro computer count control device can also be adjusted with the speed of wrap that twines frock the pultrusion speed of preformed template respectively, also can adjust the winding angle of fortifying fibre at any time, determines the size of the angle of thread according to client's needs.

Embodiment two:

As shown in Figure 1, this moulding frock is identical with embodiment one, its difference is: polyester glue proportioning difference is housed in the steeping vat 2, this polyester glue is by 100 parts of polyester, 2.2 parts of methyl ethyl ketone peroxides, 0.8 part of remover, and the alkali-free glass fibre total amount of dipping and the proportioning of polyester glue are 30: 70 (above is parts by weight).

Flood in the polyester glue in steeping vat 2, dip time remained on 30 seconds, and the temperature of polyester glue wherein generally is set at 25 ℃.

Above-mentioned polyester is selected the metaphenylene resin for use, and its product type is AROPOL2036.

Alkali-free glass fibre behind the dipping, its moulding and winding process are with embodiment one; Difference is: dies cavity length is 1.5m, and the drive motors rotating speed on this wind 411 is 400 rev/mins; The solidification temperature of mould 42 is 175 ℃; Separating the drive motors of installing on the drive motors that twines on the device 431 and the wind 411 turns to and is opposite setting.

The cutting method that boundling after solidifying is shaped to composite material twisted steel 5 and composite material twisted steel 5 is all identical with embodiment one, does not repeat them here.

Embodiment three:

As shown in Figure 1, this moulding process equipment is with identical with embodiment one, its difference is: polyester glue proportioning difference is housed in the steeping vat 2, this polyester glue is by 100 parts of polyester, 2.0 parts of methyl ethyl ketone peroxides, 0.6 part of remover, and the alkali-free glass fibre total amount of dipping and the proportioning of polyester glue are 35: 65 (above is parts by weight).

Flood in the polyester glue in steeping vat 2, dip time remained on 20 seconds, and the temperature of polyester glue wherein generally is set at 15 ℃.

Above-mentioned polyester is selected the metaphenylene resin for use, and its product type is AROPOL7422.

Alkali-free glass fibre glass fiber behind the dipping, its moulding and winding process are with embodiment one; Difference is: dies cavity length is 1.2m, and the drive motors rotating speed on this wind 411 is 350 rev/mins; The solidification temperature of mould 42 is 125 ℃; It is identical to separate the rotating speed that twines the drive motors of establishing on device 431 and the wind 411, its switched in opposite.

The cutting method that boundling after solidifying is shaped to composite material twisted steel 5 and composite material twisted steel 5 is all identical with embodiment one, does not repeat them here.

Claims (10)

1. a composite material twisted steel is formed by polyester glue and glass fiber mixing pultrusion, and the ratio of weight and number of described polyester glue and described glass fiber is 30~40: 60~70.
2. composite material twisted steel according to claim 1, it is characterized in that: described polyester glue is made up of polyester, release agent, methyl ethyl ketone peroxide basically, its parts by weight proportioning is: 100 parts of polyester, 0.4~0.8 part of remover, 1.8~2.2 parts of methyl ethyl ketone peroxides.
3. composite material twisted steel according to claim 2 is characterized in that: described polyester is the metaphenylene resin.
4. composite material twisted steel according to claim 1 is characterized in that: described glass fiber is an alkali-free glass fibre.
5. the preparation method of each described composite material twisted steel of claim 1-4, it is characterized in that: it comprises the steps:
1) impregnation of fibers immerses described glass fiber in the described polyester glue and to soak into fully, and the serviceability temperature of its polyester glue is 15-35 ℃, and dip time is 20-30 second;
2) step 1) being flooded the glass fiber of polyester glue, under draw, is boundling through the yarn passing hole pultrusion on the preformed template, described pultrusion speed be 0.2-0.4 rice/minute;
3) in step 2) the boundling surface longitudinal of moulding twines one deck fortifying fibre, and described fortifying fibre is sheathed on the wind, and the winding angle of its fortifying fibre is directly proportional with described pultrusion speed;
4) step 3) is had the boundling that twines fiber, introduce hot setting in the mould, its solidification temperature is 125~175 ℃, the winding boundling that described boundling and its winding fiber curing molding are one;
5) the winding boundling that solidifies depanning through step 4) twines device by separating of a band Scroll and separates and twine, and it is twined winding fiber and this boundling sur-face peeling on boundling, and described winding fiber has regular screw-shaped finished product through the Scroll rolling in the formation of boundling surface.
6. the preparation method of composite material twisted steel according to claim 5 is characterized in that: step 2) described preformed template is at least 2, and wherein adjacent with a step 1) side is that a porous is crossed the yarn template; A side adjacent with step 3) is that a single hole is crossed the yarn template, and described porous is crossed the center of yarn template and the center hole relative positioning setting that described single hole is crossed the yarn template.
7. the preparation method of composite material twisted steel according to claim 5, it is characterized in that: the described fortifying fibre of step 3) is glass fiber or metallic fiber; Described dies cavity length is 1-1.5m.
8. the preparation method of composite material twisted steel according to claim 7, it is characterized in that: described metallic fiber is iron wire or copper cash.
9. the preparation method of composite material twisted steel according to claim 5, it is characterized in that: described the separating of described wind of step 3) and step 5) twines the drive motors that is separately installed with on the device with fast anti-phase setting.
10. the preparation method of composite material twisted steel according to claim 9, it is characterized in that: described motor speed is 300-400 rev/min.
CNB2004100736609A 2004-09-02 2004-09-02 Composite material twisted steel and its preparing method CN1321249C (en)

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Application Number Priority Date Filing Date Title
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Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008028387A1 (en) * 2006-09-01 2008-03-13 Shenzhen Oceanpower Industrial Co., Ltd. A method for freparing frp bars
CN102205649A (en) * 2011-01-22 2011-10-05 中国矿业大学 Method for producing glass fiber reinforced plastic anchor pole
CN101491948B (en) * 2008-01-21 2012-02-01 焦作市三利达娱乐设备有限公司 Manufacture method of bow slice for crossbow
CN102458804A (en) * 2009-06-03 2012-05-16 Sk化学株式会社 Fiber reinforced plastic bolt and method for producing the same
CN102774020A (en) * 2012-08-13 2012-11-14 中格复合材料(南通)有限公司 Production method of utility pole
CN102935722A (en) * 2012-10-26 2013-02-20 四川航天五源复合材料有限公司 Method for manufacturing fiber reinforced resin based composite reinforcements
CN105946254A (en) * 2016-07-14 2016-09-21 王瑛玮 Composite material prepared through pultrusion and twining composite forming and laser curing
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
CN106182815A (en) * 2016-07-14 2016-12-07 王瑛玮 Pultrusion laser curing prepares composite material bar material
CN106182820A (en) * 2016-07-14 2016-12-07 王瑛玮 Pultrusion laser curing prepares composite material anchor shaft
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
CN106273557A (en) * 2016-08-22 2017-01-04 王瑛玮 Pultrusion laser curing prepares composite
CN107009647A (en) * 2017-03-14 2017-08-04 海宁安捷复合材料有限责任公司 A kind of basalt composite reinforcing and its preparation technology

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US5599599A (en) * 1995-07-06 1997-02-04 University Of Central Florida Fiber reinforced plastic ("FRP")-concrete composite structural members
CN2436608Y (en) * 2000-07-05 2001-06-27 王凤奎 Composite tent-supporting rod

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008028387A1 (en) * 2006-09-01 2008-03-13 Shenzhen Oceanpower Industrial Co., Ltd. A method for freparing frp bars
CN101491948B (en) * 2008-01-21 2012-02-01 焦作市三利达娱乐设备有限公司 Manufacture method of bow slice for crossbow
CN102458804A (en) * 2009-06-03 2012-05-16 Sk化学株式会社 Fiber reinforced plastic bolt and method for producing the same
CN102458804B (en) * 2009-06-03 2015-07-22 Sk化学株式会社 Fiber reinforced plastic bolt and method for producing the same
CN102205649A (en) * 2011-01-22 2011-10-05 中国矿业大学 Method for producing glass fiber reinforced plastic anchor pole
CN102205649B (en) * 2011-01-22 2013-04-03 中国矿业大学 Method for producing glass fiber reinforced plastic anchor pole
CN102774020A (en) * 2012-08-13 2012-11-14 中格复合材料(南通)有限公司 Production method of utility pole
CN102774020B (en) * 2012-08-13 2014-12-17 中格复合材料(南通)有限公司 Production method of utility pole
CN102935722A (en) * 2012-10-26 2013-02-20 四川航天五源复合材料有限公司 Method for manufacturing fiber reinforced resin based composite reinforcements
CN102935722B (en) * 2012-10-26 2015-04-22 四川航天五源复合材料有限公司 Method for manufacturing fiber reinforced resin based composite reinforcements
CN105946254A (en) * 2016-07-14 2016-09-21 王瑛玮 Composite material prepared through pultrusion and twining composite forming and laser curing
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
CN106182815A (en) * 2016-07-14 2016-12-07 王瑛玮 Pultrusion laser curing prepares composite material bar material
CN106182820A (en) * 2016-07-14 2016-12-07 王瑛玮 Pultrusion laser curing prepares composite material anchor shaft
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
CN105946254B (en) * 2016-07-14 2019-04-16 安徽森德新材料科技发展有限公司 Pultrusion winding composite molding laser curing prepares composite material
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
CN106273557A (en) * 2016-08-22 2017-01-04 王瑛玮 Pultrusion laser curing prepares composite
CN107009647A (en) * 2017-03-14 2017-08-04 海宁安捷复合材料有限责任公司 A kind of basalt composite reinforcing and its preparation technology

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