CN102672950A - Continuous production method and equipment for composite type sleeper - Google Patents
Continuous production method and equipment for composite type sleeper Download PDFInfo
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- CN102672950A CN102672950A CN2012101607879A CN201210160787A CN102672950A CN 102672950 A CN102672950 A CN 102672950A CN 2012101607879 A CN2012101607879 A CN 2012101607879A CN 201210160787 A CN201210160787 A CN 201210160787A CN 102672950 A CN102672950 A CN 102672950A
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- Prior art keywords
- glass fibre
- sleeper
- polyurethane resin
- cotton cloth
- whirligig
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/56—Winding and joining, e.g. winding spirally
- B29C53/58—Winding and joining, e.g. winding spirally helically
- B29C53/60—Winding and joining, e.g. winding spirally helically using internal forming surfaces, e.g. mandrels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C63/00—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor
- B29C63/02—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor using sheet or web-like material
- B29C63/04—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor using sheet or web-like material by folding, winding, bending or the like
- B29C63/08—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor using sheet or web-like material by folding, winding, bending or the like by winding helically
- B29C63/10—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor using sheet or web-like material by folding, winding, bending or the like by winding helically around tubular articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
- B29C70/34—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core and shaping or impregnating by compression, i.e. combined with compressing after the lay-up operation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/80—Component parts, details or accessories; Auxiliary operations
- B29C53/8008—Component parts, details or accessories; Auxiliary operations specially adapted for winding and joining
- B29C53/8066—Impregnating
Abstract
The invention provides a continuous production method for a composite type sleeper. The continuous production method comprises the following four procedures: (1) spreading: enabling spread glass fiber woven fabric to pass through a supporting-spreading mechanism; (2) soaking: uniformly spraying polyurethane resin on the surface of the glass fiber woven fabric, and then enabling the glass fiber woven fabric to pass through pair rolls, thus forming a flat surface; (3) winding: winding the glass fiber woven fabric on the outer surface of a sleeper inner core, shearing off the glass fiber woven fabric and placing the sheared glass fiber woven fabric in a mold; and (4) molding: aging the polyurethane resin in the mold, removing the mold after the aging is ended, thus obtaining the composite type sleeper. The invention also provides continuous production equipment for the composite type sleeper. The interlayer shearing force of the sleeper produced by the method is cannot be damaged easily, the polyurethane resin in the outer surface of the sleeper produced by the method is distributed uniformly, and continuous and automatic production is realized by virtue of the method.
Description
Technical field
The present invention relates to a kind of continuous producing method of compound sleeper, also relate to the equipment that uses this production method to produce sleeper, belong to the sleeper field.
Background technology
Sleeper often is used to carrying object, is indispensable material in railway construction, the laying of dedicated track traveling equipment and the load bearing equipment field.According to the difference of its composition material, sleeper mainly is divided into wooden crossties, armored concrete sleeper, steel sleeper and composite sleeper.
Along with the development of technology, at present the composite sleeper becomes emerging material sleeper, and this composite sleeper produces the performance of weight when wooden crossties etc. has stronger absorption train driving, thereby has obtained paying close attention to widely in the railway construction field.Kind according to composite is different, and it mainly is divided into rubber and plastic composite sleeper, fiberglass composite sleeper and polyurethane synthesis wooden sleeper.
The rubber and plastic composite sleeper is with junked tire or reclaims thermoplastic elastomer (TPE) that plastics the make shell as sleeper that with the inner core of concrete as sleeper, adopt expressing technique to make, it has shock resistance, corrosion-resistant, high-intensity characteristics.Though it can be with a large amount of junked tires and waste plastics recovery utilization on technical application; Has environment protection significance; But this product is complex manufacturing not only; And adopt with above-mentioned source and unsettled waste old with reclaim the shell of plastics as sleeper, so its weatherability and resistance to ag(e)ing are relatively poor.
The fiberglass composite sleeper is made up of fiberglass cylindrical shell and the packing material that is arranged in the fiberglass cylindrical shell; Wherein, the fiberglass cylindrical shell is to be raw material with unsaturated polyester resin, fibre glass roving, powder filler, adopts technologies such as winding, pultrusion, hand paste to be made, and packing material generally adopts high strength foam materials and methods of making.The glass fiber reinforced plastics composite material sleeper that makes has excellent mechanical property, so but because it adopts technology production efficiencys such as winding, pultrusion, hand paste extremely low, product stability and weatherability are all relatively poor.
The polyurethane synthesis wooden sleeper is by foaming polyurethane resin dipping continuous glass fibre, makes thin sheet material earlier through continuous forming process, afterwards again with its range upon range of being bonded.Wherein polyurethane (be called for short PU) is the polymer of being processed by raw materials such as chain extender such as polyisocyanates and PPG or PEPA or little molecular polylol, polyamine or water or crosslinking agents.Through changing raw material type and composition, can change product form and performance thereof significantly, obtain from softness to hard final products.That this kind sleeper has is in light weight, corrosion-resistant, good insulation preformance, be convenient to the characteristics of field machining and construction.
Chinese patent CN101328311A discloses a kind of manufacturing process of polyurethane synthesis wooden sleeper; This technology at first need be carried out guide; Woven glass roving fabric is guided to required cross section through single group creel and feed carrier, and limiting the guide speed of service is 0.1 ~ 1.0m/min; Use the foaming machine injecting glue that polyurethane stock solution evenly is sprayed on said woven glass roving fabric surface through guide or inner; Re-use even impregnating equipment woven glass roving fabric is pushed, thereby realize the even dipping of polyurethane resin said woven glass roving fabric.Afterwards, the glass fibre that flooded polyurethane resin gets into the rolling mould, and the control temperature is carried out forming and hardening at 60 ~ 120 ℃ to sleeper, at last the sleeper cutting after solidifying is got final product.In this prior art; Said woven glass roving fabric carries out along identical longitudinal direction, so cause sleeper under stress, to occur bending and deformation easily under single group creel and feed carrier guiding; Thereby cause sleeper breaking diametrically, make the sleeper global failure.
In the prior art, Chinese patent document CN101850622A discloses a kind of manufacturing process that is combined into sleeper, and this technology at first need select wood materials or composite as inner core; At the outside woven glass roving fabric that vertically twines of said wood materials; Spraying is added with the unsaturated polyester resin of curing agent at least on said woven glass roving fabric; And utilize said unsaturated polyester resin that said woven glass roving fabric is soaked into, form the fibre untwisted roving layer of unsaturated polyester resin reinforcing glass; Said composite inner core is not then carried out any processing.On the basis of aforementioned processing; Sleeper described in this technology also at the fibre untwisted rove of said unsaturated polyester resin reinforcing glass or the glass fibre multiaxis of composite inner core outerwrap after the coupling agent surface treatment to cloth; And to said glass fibre multiaxis spraying polyurethane resin on cloth, and utilize said polyurethane resin to said glass fibre multiaxis to cloth soak into and fully foaming form polyurethane resin fortifying fibre multiaxis to layer of cloth.
But the manufacturing process of this composite sleeper just is sprayed on polyurethane resin the surface of resin; The polyurethane resin skewness; And polyurethane can not well soak into the glass fibre multiaxis to cloth; Therefore polyurethane resin was at polyurethane resin fortifying fibre multiaxis skewness in layer of cloth after foaming was accomplished, thereby influenced the intensity of polyurethane resin fortifying fibre multiaxis to layer of cloth, made that the extexine of sleeper is damaged easily.There is another problem in this technology, and promptly this technology is difficult to realize the serialization and the automated production of sleeper, and the production cycle is longer, and workload is big, and production efficiency is low, and the problem of the less stable of sleeper goods.
Summary of the invention
First technical problem to be solved by this invention is that polyurethane resin composite sleeper manufacturing process of the prior art has adopted the single vertical arrangement mode guide of glass fibre; The shearing arrangement of reinforcement of lateral attitude is not set; The sleeper of making causes interlaminar shear to destroy when stressed bending easily; Even the defective of sleeper global failure, and then a kind of production method of compound sleeper is provided;
Second problem to be solved by this invention is the polyurethane resin skewness that is sprayed at the glass fibre multiaxis to cloth of the prior art; Nor can well soak into the glass fibre multiaxis to cloth; Therefore polyurethane resin was at polyurethane resin fortifying fibre multiaxis skewness in layer of cloth after foaming was accomplished; Thereby influenced the defective of polyurethane resin fortifying fibre multiaxis, and then a kind of production method of compound sleeper is provided to the intensity of layer of cloth;
The production cycle that the 3rd technical problem to be solved by this invention is compound sleeper of the prior art is longer; Workload is big; Production efficiency is low; Can not realize the serialization and the automated production of sleeper, and the defective of the less stable of sleeper goods, and then a kind of production method of compound sleeper is provided.
For solving the problems of the technologies described above, the present invention provides a kind of continuous producing method of compound sleeper, and this method comprises following four operations:
(1) launches
The glass fibre that rotates rolling is weaved cotton cloth and is made its expansion, and then makes the smooth expansion of weaving cotton cloth of said glass fibre through support exhibition mechanism;
(2) soak into
Polyurethane resin is sprayed on the surface that said glass fibre is weaved cotton cloth equably, more said glass fibre is weaved cotton cloth through pair roller, under the extruding of pair roller, said polyurethane resin soaks in glass fibre equably weaves cotton cloth, and forms even curface;
(3) reel
The said glass fibre that polyurethane resin is arranged that soaks into is weaved cotton cloth and is wound in the outer surface of sleeper inner core, and cutting off then to soak into has the glass fibre of polyurethane resin to weave cotton cloth, and will be wound with the sleeper inner core that said glass fibre weaves cotton cloth again and be positioned in the mould;
(4) moulding
Polyurethane resin in the said mould is carried out slaking, and slaking removes mould after accomplishing, and just obtains said compound sleeper.
Said sleeper inner core is the prestressed concrete soil material.
Said glass fibre weave cotton cloth into the multiaxis of glass fibre in cloth, woven roving and glass fibre dewaxing cloth one or more.
The sprinkling amount of said polyurethane resin: glass fibre is weaved cotton cloth and is 200-800g/m
2
In said step (2), the crushing strength that the glass fibre that said pair roller extruding is sprayed has polyurethane resin is weaved cotton cloth is 0.09-0.11Mpa.
In said step (3), the thickness of the said glass fibre Compound Fabric of soaking into through polyurethane resin that said concrete core is reeled is 1.5-3.0cm.
The present invention also provides a kind of quantity-produced equipment of compound sleeper, and this equipment is disposed with first whirligig, support exhibition mechanism, sprinkler, pair roller, shear and second whirligig;
Said first whirligig is used to place the glass fibre of rolling weaves cotton cloth, and said sprinkler is between support exhibition mechanism and pair roller, and said second whirligig is used to place the sleeper inner core, and said shear is between the said pair roller and second whirligig.
Be provided with two holders in the upper end of said sprinkler, said sprinkler is connected respectively with two holders through pipeline.
In said sprinkler, also be provided with static mixer.
The two ends of said sleeper inner core are provided with groove, and the keeper in the rotating shaft of said groove and second whirligig matches, and makes said sleeper inner core be fixed in second whirligig.
Technique scheme of the present invention is compared prior art and is had the following advantages:
(1) quantity-produced sleeper of the present invention; The weave cotton cloth polyurethane resin that soaks into of glass fibre forms the composite layer of sleeper after foaming; That utilizes that glass fibre weaves cotton cloth has been provided with the shearing preparation of a plurality of directions of sleeper practical; Thereby the stressed destruction that also can not occur interlaminar shear when crooked of sleeper, and composite has certain cushioning effect, and the sleeper that makes the present invention produce can absorb noise better.
The present invention is soaked in glass fibre equably through the said polyurethane resin of the extruding of pair roller and is weaved cotton cloth, and makes it form even curface, and polyurethane resin soaks in glass fabric fully, and after foaming was accomplished, polyurethane resin can distribute equably.
The continuous production that the present invention adopts expansion, soaks into, four operations such as coiling and moulding have realized compound sleeper can be carried out automated production, has improved production efficiency greatly, and the good stability of goods of sleeper.
The present invention through support exhibition mechanism make glass fibre weave cotton cloth smooth expansion, remove fold, can finely soak into polyurethane resin like this, and when being wound in the prestressed reinforced concrete tie inner core, coiling more closely knit, even.
The present invention further is employed in mould inner sealing formula foaming, multiplying power that can fine control foaming, and the density of the sleeper outer layer of composite material that obtains easily being fit to can also be controlled the shape of foaming back sleeper, and the stability of the sleeper of manufacturing is improved.
(2) the present invention adopts the inner core of prestressed concrete soil material as sleeper; Improved the intensity of sleeper inner core, avoided the use Wooden inner core to go out problem of cracks easily, also avoided simultaneously using woven glass roving fabric to twine the operation that the intensity that increases the sleeper inner core is set as the sleeper inner core; Simplify the operation of making; Improve production efficiency, improved the peak load of sleeper simultaneously, can satisfy the requirement of the load of railway high speed, heavy duty operation.
(3) the present invention adopts the sprinkling amount of said polyurethane resin: glass fibre is weaved cotton cloth and is 200-800g/m
2Scheme so both can make the glass fibre of the sleeper polyurethane resin composite layer that strengthens of weaving cotton cloth have higher interlaminar shear, can guarantee again to accomplish the back polyurethane resin and the glass fibre distribution is even relatively in foaming.
(4) the present invention's glass fibre of adopting the extruding of said pair roller to spray polyurethane resin is arranged crushing strength of weaving cotton cloth is 0.09-0.11Mpa, can realize that promptly polyurethane resin soaks into glass fibre equably and weaves cotton cloth, and also can polyurethane resin not killed or extrude.
(5) to be wound with the thickness of said glass fibre Compound Fabric of soaking into through polyurethane resin be the scheme of 1.5-3.0cm to concrete core according to the invention; Both can guarantee the desired thickness that reaches of glass fiber reinforced polyester ammonia ester resin composite materials layer; Reach higher interlaminar shear and have the effect of good damping, can avoid the too thick problem that causes sleeper intensity to reduce again.
(6) described equipment of the present invention adopts the technical scheme that is disposed with first whirligig, support exhibition mechanism, sprinkler, pair roller, shear and second whirligig; Combine like this and just form a continuous production line, can realize the requirement of serialization and automated production.
(7) the present invention upper end of being employed in sprinkler is provided with two holders; The device that sprinkler is connected respectively through pipeline and two holders; The raw material that one of them holder stores is polyalcohol, blowing agent, catalyst, fire retardant and antiaging agent, and the raw material that stores in the another kind of holder is an isocyanates, and two kinds of raw materials can directly get into the stoste that sprinkler forms polyurethane resin; Spray from sprinkler then; Can realize the production of serialization so to a greater degree, and situation that can actual production, adjust the addition of two kinds of raw materials of the polyurethane resin in two holders at any time.
(8) the present invention adopts static mixer, can guarantee to fall more even that the stoste of ammonia ester resin mixes in sprinkler.
Description of drawings
For content of the present invention is more clearly understood, below according to a particular embodiment of the invention and combine accompanying drawing, the present invention is done further detailed explanation, wherein
Fig. 1 is the sketch map of the quantity-produced equipment of compound sleeper according to the invention.
Reference numeral is expressed as among the figure: the glass fibre of 1-first whirligig, 2-rolling is weaved cotton cloth, 3-support exhibition mechanism, 4-sprinkler, 5-pair roller, 6-second whirligig, 7-sleeper inner core, 8-groove.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is done further description, but should be noted that these embodiment only are used to method and apparatus of the present invention is described, and can not scope of the present invention be confined to.
To do further description to the present invention through specific embodiment below.
Embodiment 1
(1) production equipment
As shown in Figure 1, said continuous production equipment is disposed with first whirligig 1, support exhibition mechanism 3, sprinkler 4, pair roller 5 and second whirligig 6.The glass fibre multiaxis that on said first whirligig 1, is placed with rolling is to cloth 2, and the glass fibre multiaxis that drives rolling when first whirligig 1 makes the glass fibre multiaxis launch to cloth when cloth 2 rotates.When said glass fibre multiaxis to cloth during through said support exhibition mechanism 3, can entirely launch the glass fibre multiaxis to cloth and remove fold, in order to launch and remove the fold of glass fibre multiaxis better, two support exhibition mechanisms 3 can be set to cloth.Said sprinkler 4 is between support exhibition mechanism 3 and pair roller 5 and be positioned at the glass fibre multiaxis above cloth.Be provided with two holders in the upper end of sprinkler 4, through pipeline two holders be connected with sprinkler 4 respectively.Soak into the glass fibre multiaxis behind cloth through pair roller extruding polyurethane resin, form even curface, polyurethane resin can soak into the glass fibre multiaxis fully to cloth; In order to realize that better polyurethane resin soaks into the glass fibre multiaxis to cloth, two groups of pair rollers 5 can be set, promptly polyurethane resin soak into the glass fibre multiaxis to twice of cloth through pair roller, after therefore foaming was accomplished, polyurethane resin can distribute equably.Between the said pair roller 5 and second whirligig 6, be provided with shear, the said polyurethane that shear can cut off between the pair roller 5 and second whirligig 6 automatically soaks into the glass fibre multiaxis to cloth.Be used to place sleeper inner core 7 at said second whirligig 6; Said sleeper inner core 7 is the prestressed concrete soil material; The two ends of said sleeper inner core 7 are provided with groove 8, and the keeper in the rotating shaft of said groove 8 and second whirligig 6 matches, and makes sleeper inner core 7 be fixed in second whirligig 6.When said second whirligig 6 drives 7 rotations of sleeper inner core, make said polyurethane soak into the glass fibre multiaxis is wound in extexine from sleeper inner core 7 to cloth.
(2) continuous producing method
The glass fibre multiaxis of rolling is positioned on first whirligig 1 to cloth 2; The glass fibre multiaxis that first whirligig 1 drives rolling makes its expansion to cloth 2 rotations; Then the glass fibre multiaxis to cloth through support exhibition mechanism 3, said support exhibition mechanism 3 with the glass fibre multiaxis to the smooth expansion of cloth, remove fold.
Be provided with two holders in the upper end of sprinkler 4; The raw material that one of them holder stores is polyalcohol, blowing agent, catalyst, fire retardant and antiaging agent; The raw material that stores in the another kind of holder is an isocyanates, and sprinkler 4 is connected respectively with two holders through pipeline, and the raw material of holder is input in the sprinkler 4; Through static mixer two kinds of raw materials are evenly mixed then, thereby make the stoste of polyurethane resin.When smooth glass fibre multiaxis to cloth during through the below of air painter, said sprinkler 4 is sprayed on polyurethane resin the glass fibre multiaxis of smooth mistake equably to the cloth surface, the sprinkling amount of said polyurethane resin: the glass fibre multiaxis is 500g/m to cloth
2, to spray the glass fibre multiaxis that polyurethane resin is arranged and pass through pair roller 5 again to cloth, the crushing strength of every group of pair roller is 0.1MPa, makes polyurethane resin soak into equably in the glass fibre multiaxis to cloth and formation even curface.
On said second whirligig 6, be placed with the sleeper inner core 7 of prestressed concrete soil material; Said second whirligig 6 drives 7 rotations of transition pillow inner core, has the glass fibre of polyurethane resin multiaxis to be wound in the extexine of said sleeper inner core 7 to cloth said soaking into; When the glass fibre multiaxis of the extexine that is wound in sleeper inner core 7 reaches 2cm to the thickness of cloth; Shear can cut off glass fibre multiaxis between the pair roller 5 and second whirligig 6 automatically to cloth; Second whirligig is changed next sleeper automatically, and will be wound with said glass fibre multiaxis and be positioned in the mould to the sleeper inner core 7 of cloth.After accomplish shearing, can the artificial glass fibre multiaxis that said polyurethane resin is soaked into to cloth tractive to the second whirligig, the glass fibre multiaxis that said polyurethane resin is soaked into is wound in the outer surface of sleeper to cloth.
At last said mould is put into drying room and carry out slaking; Accomplish the foaming and the curing of polyurethane resin simultaneously; Slaking removes mould after accomplishing, and making extexine is the polyurethane resin composite layer that the glass fibre multiaxis strengthens to cloth, and inner core is the compound sleeper of prestressed concrete soil material.
Embodiment 2
(1) production equipment
Adopt with embodiment 1 in (1) identical production equipment; Difference is: support exhibition mechanism 3 is set to one, and pair roller 5 is set to one group, and a holder is set in the upper end of sprinkler 4; Sprinkler 4 is connected with holder through pipeline, does not also have static mixer in the sprinkler 4.
(2) continuous producing method
The glass fibre twill 2 of rolling is positioned on first whirligig 1; Glass fibre twill 2 rotations that first whirligig 1 drives rolling make its expansion; The glass fibre twill is through support exhibition mechanism 3 then, and said support is opened up mechanism 3 with the smooth expansion of glass fibre twill, removal fold.
The stoste of the polyurethane resin that mixes is stored in the holder, can be directly inputted in the sprinkler 4, is sprayed on the surface of air painter below polyurethane resin then equably, and the sprinkling amount of said polyurethane resin: the glass fibre twill is 800g/m
2, to spray the glass fibre twill that polyurethane resin is arranged and pass through pair roller 5 again, the crushing strength of pair roller 5 is 0.11MPa, makes polyurethane resin soak into equably in glass fibre twill and formation even curface.
On said second whirligig 6, be placed with the sleeper inner core 7 of prestressed concrete soil material, said second whirligig 6 drives 7 rotations of transition pillow inner core, has the glass fibre of polyurethane resin twill to be wound in the extexine of said sleeper inner core 7 said soaking into; When the thickness of the glass fibre twill of the extexine that is wound in sleeper inner core 7 reaches 3cm; Shear can cut off the glass fibre twill between the pair roller 5 and second whirligig 6 automatically; Second whirligig is changed next sleeper automatically, and the sleeper inner core 7 that will be wound with said glass fibre twill is positioned in the mould.After accomplish shearing, can the artificial glass fibre twill that said polyurethane resin is soaked into, and tractive to the second whirligig, the glass fibre twill that said polyurethane resin is soaked into is wound in the outer surface of sleeper.
At last said mould is put into drying room and carry out slaking; Accomplish the foaming and the curing of polyurethane resin simultaneously; Slaking removes mould after accomplishing, and makes the polyurethane resin composite layer that extexine strengthens for the glass fibre twill, and inner core is the compound sleeper of prestressed concrete soil material.
Embodiment 3
(1) production equipment
Adopt with embodiment 1 in (1) identical production equipment, difference is: support is opened up mechanism 3 and is set to 2, and pair roller 5 is set to 6 groups.
(2) continuous producing method
The glass fibre woven roving 2 of rolling is positioned on first whirligig 1; Glass fibre woven roving 2 rotations that first whirligig 1 drives rolling make its expansion; The glass fibre woven roving is through support exhibition mechanism 3 then, and said support is opened up mechanism 3 with the smooth expansion of glass fibre woven roving, removal fold.
Two holders that are provided with in the upper end of sprinkler 4; The raw material that one of them holder stores is polyalcohol, blowing agent, catalyst, fire retardant and antiaging agent; The raw material that stores in the another kind of holder is an isocyanates, and sprinkler 4 is connected respectively with two holders through pipeline, and the raw material of holder is input in the sprinkler 4; Through static mixer two kinds of raw materials are evenly mixed then, thereby make the stoste of polyurethane resin.When smooth glass fibre is knitted the below of process air painter; Said sprinkler 4 just polyurethane resin is sprayed on glass fibre woven roving surface equably; The sprinkling amount of said polyurethane resin: the glass fibre woven roving is 200g/m2; Sprinkling has the glass fibre woven roving of polyurethane resin again through pair roller 5, and the crushing strength of every group of pair roller is 0.09MPa, makes polyurethane resin soak into equably in glass fibre woven roving and formation even curface.
On said second whirligig 6, be placed with the sleeper inner core 7 of prestressed concrete soil material, said second whirligig 6 drives 7 rotations of transition pillow inner cores, soaks into the extexine that the glass fabric that polyurethane resin is arranged is wound in said sleeper inner core 7 with said; When the thickness of the glass fibre woven roving of the extexine that is wound in sleeper inner core 7 reaches 1.5cm; Shear can cut off soaking between the pair roller 5 and second whirligig 6 automatically has the glass fibre of polyurethane resin woven roving; Second whirligig is changed next sleeper automatically, and the sleeper inner core 7 that will be wound with said glass fibre woven roving is positioned in the mould.After accomplish shearing, can the artificial glass fibre woven roving that said polyurethane resin is soaked into, and tractive to the second whirligig, the glass fibre woven roving that said polyurethane resin is soaked into is wound in the outer surface of sleeper.
At last said mould is put into drying room and carry out slaking; Accomplish the foaming and the curing of polyurethane resin simultaneously; Slaking removes mould after accomplishing, and making extexine is the polyurethane resin composite layer that glass fibre strengthens, and inner core is the compound sleeper of prestressed concrete soil material.
Obviously, the foregoing description only be for explanation clearly done for example, and be not qualification to embodiment.For the those of ordinary skill in affiliated field, on the basis of above-mentioned explanation, can also make other multi-form variation or change.Here need not also can't give exhaustive to all embodiments.And conspicuous variation of being extended out thus or change still are among the protection domain of the invention.
Claims (10)
1. the continuous producing method of a compound sleeper is characterized in that this method comprises following four operations:
(1) launches
The glass fibre that rotates rolling is weaved cotton cloth and is made its expansion, and then makes the smooth expansion of weaving cotton cloth of said glass fibre through support exhibition mechanism;
(2) soak into
Polyurethane resin is sprayed on the surface that said glass fibre is weaved cotton cloth equably, more said glass fibre is weaved cotton cloth through pair roller, under the extruding of pair roller, said polyurethane resin soaks in glass fibre equably weaves cotton cloth, and forms even curface;
(3) reel
The said glass fibre that polyurethane resin is arranged that soaks into is weaved cotton cloth and is wound in the outer surface of sleeper inner core, and cutting off then to soak into has the glass fibre of polyurethane resin to weave cotton cloth, and will be wound with the sleeper inner core that said glass fibre weaves cotton cloth again and be positioned in the mould;
(4) moulding
Polyurethane resin in the said mould is carried out slaking, and slaking removes mould after accomplishing, and just obtains said compound sleeper.
2. method according to claim 1 is characterized in that: said sleeper inner core is the prestressed concrete soil material.
3. method according to claim 1 and 2 is characterized in that: said glass fibre is weaved cotton cloth and is glass fibre multiaxis one or more in cloth, glass fibre twill, fiberglass gridding cloth, glass fibre woven roving and glass fibre dewaxing cloth.
4. according to any described method among the claim 1-3, it is characterized in that: the sprinkling amount of said polyurethane resin: glass fibre is weaved cotton cloth and is 200-800g/m
2
5. according to any described method among the claim 1-4, it is characterized in that: in said step (2), the crushing strength that the glass fibre that said pair roller extruding is sprayed has polyurethane resin is weaved cotton cloth is 0.09-0.11Mpa.
6. according to any described method among the claim 1-5, it is characterized in that: in said step (3), the thickness that the said glass fibre that soaks into through polyurethane resin that said sleeper inner core is reeled is weaved cotton cloth is 1.5-3cm.
7. the quantity-produced equipment of a compound sleeper is characterized in that: this equipment is disposed with first whirligig (1), support exhibition mechanism (3), sprinkler (4), pair roller (5), shear and second whirligig (6);
The glass fibre that said first whirligig (1) is used to place rolling weave cotton cloth (2); Said sprinkler (4) is positioned between support exhibition mechanism (3) and the pair roller (5); Said second whirligig (6) is used to place sleeper inner core (7), and said shear is positioned between said pair roller (5) and second whirligig (6).
8. equipment according to claim 7 is characterized in that: be provided with two holders in the upper end of said sprinkler (4), said sprinkler (4) is connected respectively with two holders through pipeline.
9. according to claim 7 or 8 described equipment, it is characterized in that: in said sprinkler (4), also be provided with static mixer.
10. according to any described equipment among the claim 7-9; It is characterized in that: the two ends of said sleeper inner core (7) are provided with groove (8); Keeper in the rotating shaft of said groove (8) and second whirligig (6) matches, and makes sleeper inner core (7) be fixed in second whirligig (6).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101607879A CN102672950A (en) | 2012-05-22 | 2012-05-22 | Continuous production method and equipment for composite type sleeper |
| PCT/CN2013/075683 WO2013174227A1 (en) | 2012-05-22 | 2013-05-16 | Continuous production method and equipment for composite type sleeper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101607879A CN102672950A (en) | 2012-05-22 | 2012-05-22 | Continuous production method and equipment for composite type sleeper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102672950A true CN102672950A (en) | 2012-09-19 |
Family
ID=46805818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012101607879A Pending CN102672950A (en) | 2012-05-22 | 2012-05-22 | Continuous production method and equipment for composite type sleeper |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102672950A (en) |
| WO (1) | WO2013174227A1 (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013174227A1 (en) * | 2012-05-22 | 2013-11-28 | 北京盘天新技术有限公司 | Continuous production method and equipment for composite type sleeper |
| CN103935052A (en) * | 2013-01-18 | 2014-07-23 | 上海杰事杰新材料(集团)股份有限公司 | Equipment for preparing continuous-filament woven fabric reinforced thermoplastic resin |
| CN107051914A (en) * | 2017-05-15 | 2017-08-18 | 临武县华湘再生资源回收有限公司 | Plastics bottle fragment color selector |
| CN108276545A (en) * | 2018-03-19 | 2018-07-13 | 瑞尔华（上海）交通科技有限公司 | A kind of high performance polyurethane composite sleeper and preparation method thereof |
| CN109049480A (en) * | 2018-06-29 | 2018-12-21 | 苏州意耐实业有限公司 | A kind of sleeper and its production method |
| CN109318512A (en) * | 2018-08-29 | 2019-02-12 | 苏州意耐实业有限公司 | A kind of sleeper and its production method |
| CN113445174A (en) * | 2021-06-18 | 2021-09-28 | 常州天马集团有限公司（原建材二五三厂） | Preparation process of glass fiber cloth for high-end machine-made FRP (fiber reinforced Plastic) large plate |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102015204430B4 (en) * | 2015-03-12 | 2020-09-03 | Bayerische Motoren Werke Aktiengesellschaft | Process for impregnating fiber rovings with highly reactive resins in the winding process |
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| CN202592734U (en) * | 2012-05-22 | 2012-12-12 | 北京盘天新技术有限公司 | Device for continuous production of composite sleeper |
| CN102672950A (en) * | 2012-05-22 | 2012-09-19 | 北京盘天新技术有限公司 | Continuous production method and equipment for composite type sleeper |
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2012
- 2012-05-22 CN CN2012101607879A patent/CN102672950A/en active Pending
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2013
- 2013-05-16 WO PCT/CN2013/075683 patent/WO2013174227A1/en active Application Filing
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| JPH1177728A (en) * | 1997-09-16 | 1999-03-23 | Nisshinbo Ind Inc | Manufacture of fiber-reinforced foamed resin molding and device for manufacture of resin molding |
| CN101328311A (en) * | 2008-07-25 | 2008-12-24 | 中国船舶重工集团公司第七二五研究所 | Formula for synthesizing crosstie and continuous forming process |
| CN101850622A (en) * | 2010-01-28 | 2010-10-06 | 北京盘天新技术有限公司 | Manufacturing process of composite sleeper |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013174227A1 (en) * | 2012-05-22 | 2013-11-28 | 北京盘天新技术有限公司 | Continuous production method and equipment for composite type sleeper |
| CN103935052A (en) * | 2013-01-18 | 2014-07-23 | 上海杰事杰新材料(集团)股份有限公司 | Equipment for preparing continuous-filament woven fabric reinforced thermoplastic resin |
| CN103935052B (en) * | 2013-01-18 | 2018-01-02 | 上海杰事杰新材料(集团)股份有限公司 | A kind of equipment for preparing continuous-filament woven fabric enhancing thermoplastic resin |
| CN107051914A (en) * | 2017-05-15 | 2017-08-18 | 临武县华湘再生资源回收有限公司 | Plastics bottle fragment color selector |
| CN108276545A (en) * | 2018-03-19 | 2018-07-13 | 瑞尔华（上海）交通科技有限公司 | A kind of high performance polyurethane composite sleeper and preparation method thereof |
| CN109049480A (en) * | 2018-06-29 | 2018-12-21 | 苏州意耐实业有限公司 | A kind of sleeper and its production method |
| CN109318512A (en) * | 2018-08-29 | 2019-02-12 | 苏州意耐实业有限公司 | A kind of sleeper and its production method |
| CN113445174A (en) * | 2021-06-18 | 2021-09-28 | 常州天马集团有限公司（原建材二五三厂） | Preparation process of glass fiber cloth for high-end machine-made FRP (fiber reinforced Plastic) large plate |
| CN113445174B (en) * | 2021-06-18 | 2022-09-13 | 常州天马集团有限公司（原建材二五三厂） | Preparation process of glass fiber cloth for high-end machine-made FRP (fiber reinforced Plastic) large plate |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2013174227A1 (en) | 2013-11-28 |
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Application publication date: 20120919 |