CN112252050B - Flame-retardant polyester elbow yarn printed full-paved blanket forming method - Google Patents

Flame-retardant polyester elbow yarn printed full-paved blanket forming method Download PDF

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Publication number
CN112252050B
CN112252050B CN202010916141.3A CN202010916141A CN112252050B CN 112252050 B CN112252050 B CN 112252050B CN 202010916141 A CN202010916141 A CN 202010916141A CN 112252050 B CN112252050 B CN 112252050B
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China
Prior art keywords
flame
yarn
elbow
blanket
retardant
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CN202010916141.3A
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CN112252050A (en
Inventor
庄跃进
苏添福
王宝荣
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Nuoao Fujian Environment Protection Household Product Co ltd
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Nuoao Fujian Environment Protection Household Product Co ltd
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    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N7/00—Flexible sheet materials not otherwise provided for, e.g. textile threads, filaments, yarns or tow, glued on macromolecular material
    • D06N7/0063—Floor covering on textile basis comprising a fibrous top layer being coated at the back with at least one polymer layer, e.g. carpets, rugs, synthetic turf
    • D06N7/0065—Floor covering on textile basis comprising a fibrous top layer being coated at the back with at least one polymer layer, e.g. carpets, rugs, synthetic turf characterised by the pile
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
    • B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
    • B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
    • B05C1/0826—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line the work being a web or sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
    • B05C11/10—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
    • B05C11/1042—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material provided with means for heating or cooling the liquid or other fluent material in the supplying means upstream of the applying apparatus
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C9/00—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important
    • B05C9/08—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material and performing an auxiliary operation
    • B05C9/14—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material and performing an auxiliary operation the auxiliary operation involving heating or cooling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
    • B32B37/1284—Application of adhesive
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/02—Yarns or threads characterised by the material or by the materials from which they are made
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/44—Yarns or threads characterised by the purpose for which they are designed
    • D02G3/443—Heat-resistant, fireproof or flame-retardant yarns or threads
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05C—EMBROIDERING; TUFTING
    • D05C17/00—Embroidered or tufted products; Base fabrics specially adapted for embroidered work; Inserts for producing surface irregularities in embroidered products
    • D05C17/02—Tufted products
    • D05C17/026—Tufted products characterised by the tufted pile surface

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)

Abstract

The invention discloses a flame-retardant polyester elbow yarn printing full-paved blanket forming method, which comprises the following steps: manufacturing flame-retardant colored polyester yarns; twisting and shaping the flame-retardant colored polyester yarn to prepare flame-retardant colored elbow yarn; weaving the elbow yarn on the surface of the non-woven fabric; tufting the flame-retardant colored elbow yarns positioned on the surface of the blanket; gluing the back of the blanket to shape the bottom of the flame-retardant colored elbow yarn; manufacturing a non-woven fabric bottom blanket base; bonding the blank blanket and the non-woven fabric bottom blanket base together; when the blanket passes through the gluing roller area, the back surface of the blanket is coated with resin glue, when the elbow yarn is brought into the back surface of the blanket by the knitting needle to be contacted with the resin glue, the air inlet pipe blows out cold air, the cold air is sprayed out from the outlet of the elbow yarn channel, the resin glue in the area where the elbow yarn is located is solidified when meeting the condensation, the elbow yarn is fixed on the back surface of the blanket, the production process steps of the blanket are saved, and the production efficiency is accelerated.

Description

Flame-retardant polyester elbow yarn printed full-paved blanket forming method
Technical Field
The invention relates to the field of carpet weaving machinery, in particular to a flame-retardant polyester elbow yarn printing full-paved carpet forming method.
Background
The carpet is one of traditional art and craft articles with a long history in the world, is often used by people in daily life, covers the ground of houses, hotels, meeting rooms, entertainment places, gymnasiums, exhibition halls, vehicles, ships, airplanes and the like, and has the effects of reducing noise, insulating heat, improving foot feeling, preventing slipping and preventing air pollution.
The existing carpet production process comprises the following steps: (1) And (4) manufacturing a blank carpet, and tufting the blank carpet to form the plush yarns. And (2) gluing the back of the blanket blank, and fixing the plush yarns. (3) Compounding the carpet base with the blank carpet and cutting to form a carpet; the existing production process has complicated steps.
In view of the above, the applicant has made an intensive study on the above-mentioned defects in the prior art, and has made this invention.
Disclosure of Invention
The invention mainly aims to provide a method for forming a flame-retardant polyester elbow yarn printed full-paved blanket, which has the advantages of short manufacturing time, concise steps and high production efficiency.
In order to achieve the above purpose, the solution of the invention is:
a flame-retardant polyester elbow yarn printed fully-paved blanket forming method comprises the following steps:
(1) Manufacturing flame-retardant colored polyester yarns;
(2) Twisting and shaping the flame-retardant colored polyester yarn to prepare flame-retardant colored elbow yarn;
(3) Weaving the flame-retardant colored elbow yarn on the surface of the blanket;
(4) Tufting the flame-retardant colored elbow yarns positioned on the surface of the blanket;
(5) Gluing the back of the blanket to shape the bottom of the flame-retardant colored elbow yarn;
(6) Manufacturing a non-woven fabric bottom blanket base;
(7) Bonding the blank blanket and the non-woven fabric bottom blanket base together;
further, the flame-retardant colored polyester yarn in the step (1) is prepared by adding a mixture of the flame-retardant chips into the blended flame-retardant master batch and the blended master batch through a melt spinning process.
Further, the flame-retardant slicing material adopts a melt spinning slicing process.
Further, the temperature of the melt spinning slicing process is 220-250 ℃.
Further, the temperature of the melt spinning process is 260-295 ℃.
Further, a twisting machine is adopted in the step (2) to carry out double-strand yarn twisting.
Further, shaping by a shaping machine after twisting in the step (2).
Further, after the setting machine sets, the flame-retardant colored bent yarn is manufactured by adopting a yarn setting process.
Further, the yarn fixing process temperature is 170-190 ℃.
Further, the non-woven fabric bottom layer blanket base and the blanket in the step (7) are bonded through a PVC material.
Further, tufting and sizing for fixing the twisted and shaped bend yarn simultaneously by using a tufting device in the steps (3) to (5).
Furthermore, the tufting device comprises a weaving mechanism for weaving on a weaving layer, a velvet cutting mechanism for cutting the woven elbow yarns, and a gluing mechanism positioned at the bottom of the weaving layer for gluing the weaving layer; the knitting mechanism comprises a plurality of knitting needles arranged side by side and air inlet pipes communicated with the knitting needles and corresponding to the knitting needles.
Further, an elbow yarn channel for the elbow yarn to pass through is formed on the knitting needle; the inlet of the elbow yarn channel is positioned at one end of the knitting needle far away from the knitting layer, and the outlet of the elbow yarn channel is positioned on the side wall of the tip end of the knitting needle.
Further, the air inlet pipe is communicated with an elbow yarn channel of the knitting needle.
Further, the knitting needles are arranged in the width direction of the knitting layer.
Furthermore, the knitting mechanism further comprises a knitting driving part for driving each knitting needle to move up and down for knitting and an air pipe driving part for driving each air inlet pipe and the knitting needle to move synchronously.
Further, the knitting mechanism further comprises a rubber removing sleeve sleeved on the periphery of each knitting needle.
Furthermore, a fixing frame for fixing the rubber removing sleeve is further arranged on the outer side wall of the rubber removing sleeve.
Furthermore, the velvet cutting mechanism comprises a plurality of shearing assemblies which correspond to the knitting needles one to one.
Further, the shearing assembly comprises a first shearing body, a second shearing body and a shearing driving piece for driving the first shearing body and the second shearing body to shear.
Furthermore, the shearing driving piece comprises a driving cylinder, and a first connecting rod and a second connecting rod are arranged on a cylinder body of the driving cylinder; one end of the first connecting rod is rotatably connected with the first shearing body, and the other end of the first connecting rod is rotatably connected with the cylinder body; one end of the second connecting rod is rotatably connected with the second shearing body, and the other end of the first connecting rod is rotatably connected with the cylinder body.
Furthermore, a first connecting shaft connected to the cylinder body and a second connecting shaft connected to the first shearing body are arranged on the first connecting rod; the second connecting rod is provided with a third connecting shaft connected to the cylinder body and a fourth connecting shaft connected to the second shearing body; the cylinder body is respectively provided with a first connecting hole and a third connecting hole which are matched with the first connecting shaft and the third connecting shaft; the first shearing body is provided with a second connecting hole matched with the second connecting shaft; and a fourth connecting hole matched with the fourth connecting shaft is formed in the second shearing body.
Furthermore, a connecting main shaft which is rotatably connected with the first shearing body and the second shearing body is further arranged at the end part of the output shaft of the driving cylinder.
Further, rubberizing mechanism is including storing the gluey groove of storing glue, be located store gluey inslot and with store gluey groove pivoted joint's rubberizing roller to and be located store gluey groove low reaches preheating piece.
Further, the peripheral surface of the gluing roller is in contact with the lower surface of the woven layer.
Further, the tufting device also comprises a conveying mechanism for driving the woven layer to convey forwards.
Further, the conveying mechanism comprises a driving conveying roller positioned at the downstream of the cut pile mechanism and a driven conveying roller positioned at the upstream of the glue storage tank; the driving conveying roller comprises a first driving conveying roller positioned on the upper surface of the woven layer and a second driving conveying roller positioned on the lower surface of the woven layer; driven conveying roller is including the first driven conveying roller that is located the weaving layer upper surface and the driven conveying roller of second that is located the weaving layer lower surface.
After the structure is adopted, the flame-retardant polyester elbow yarn printed full carpet forming method has the following beneficial effects:
1. when the blanket passes through the gluing roller area, the back surface is coated with resin glue, then the knitting needle drives the elbow yarn to knit on the surface of the blanket, when the elbow yarn is brought into the back surface of the blanket to be contacted with the resin glue by the knitting needle, the air inlet pipe blows out cold air, the cold air enters the elbow yarn channel from the air inlet pipe, the cold air is sprayed out from the outlet of the elbow yarn channel, the resin glue in the area where the elbow yarn is located is solidified when being condensed, the elbow yarn is fixed on the back surface of the blanket, then the next knitting is carried out, the carpet production process steps are saved, and the production efficiency is accelerated.
2. The flame-retardant colored polyester yarn is shaped to be made into flame-retardant colored elbow yarns in the step (2) by adopting a 170-190-degree yarn fixing process, so that the problem of lodging resistance of polyester yarns is solved, the elbow yarns firstly enter a high-temperature tunnel shaping cavity through a high-temperature 170-degree yarn fixing process of a common polyester yarn twisting shaping process, and then the elbow yarns are completely cooled in an enough cooling section to achieve the shaping effect of the yarns; the manufactured high-elasticity colored elbow yarn.
Drawings
FIG. 1 is a schematic three-dimensional structure diagram of a flame-retardant polyester elbow yarn printing full-paved blanket forming method.
Fig. 2 is a schematic three-dimensional structure diagram of a weaving mechanism and a cutting mechanism in the invention.
Fig. 3 is a schematic front view of the weaving mechanism and the cutting mechanism of the present invention.
Fig. 4 is a schematic perspective view of a shearing module according to the present invention.
Fig. 5 is a schematic perspective view of a knitting needle and an inlet tube according to the present invention.
In the figure: a knitting mechanism 1; a knitting needle 11; a yarn channel 111; an intake pipe 12; a knitting driving member 13; an air tube driving member 14; a rubber removing sleeve 15; a fixing frame 151; a velvet cutting mechanism 2; a shearing assembly 21; the first cutout 211; a second shear body 212; a shear drive 213; a cylinder block 2131; an output shaft 2132; a connecting main shaft 21321; a first connecting rod 214; a second connecting rod 215; a gluing mechanism 3; a glue storage tank 31; a sizing roller 32; a preheating member 34; a conveying mechanism 4; a first driving feed roller 41; a second driving feed roller 42; a first driven conveying roller 43; and a second driven conveying roller 44.
Detailed Description
In order to further explain the technical solution of the present invention, the present invention is explained in detail by the following specific examples.
As shown in fig. 1 to 5, the method for forming a flame-retardant polyester bend yarn printed fully-paved blanket according to the present invention comprises the following steps:
(1) Manufacturing flame-retardant colored polyester yarns; producing flame-retardant colored polyester yarns by a BCF spinning machine;
(2) Twisting and shaping the flame-retardant colored polyester yarn to prepare flame-retardant colored elbow yarn; double-strand twisting is carried out through a twisting machine, and then the flame-retardant colored elbow yarn is made by shaping through a shaping machine;
(3) Firstly, manufacturing a blank blanket, and then weaving flame-retardant colored elbow yarns on the surface of the blank blanket;
(4) Tufting the flame-retardant colored bent yarns positioned on the surface of the blanket; cutting off the arc-shaped part woven by the same yarn through a cutting assembly 21 to form a single elbow yarn;
(5) Gluing the back of the blanket to shape the bottom of the flame-retardant colored elbow yarn; the displacement of the flame-retardant colored elbow yarns is prevented, so that the different flame-retardant colored elbow yarns are uneven;
(6) Manufacturing a non-woven fabric bottom blanket base; the efficiency of manufacturing the non-woven fabric bottom blanket base is higher;
(7) And bonding the blanket and the non-woven bottom blanket base together. The blank blanket and the non-woven fabric bottom blanket base are bonded together through the PVC material, so that the firmness is improved;
manufacturing BCF flame-retardant colored polyester yarns by adopting a BCF spinning machine in the steps (1) to (5), weaving the BCF flame-retardant polyester yarns into a blank blanket, manufacturing the BCF flame-retardant colored elbow yarns by using the BCF flame-retardant polyester yarns through a twisting machine and a setting machine, weaving the BCF flame-retardant colored elbow yarns on the surface of the blank blanket, tufting the BCF flame-retardant colored elbow yarns through a flat cutting machine, covering a composite grid on the back surface of the blank blanket, then gluing, and finally manufacturing the blank blanket with the tufted BCF flame-retardant colored elbow yarns;
the non-woven fabric bottom blanket base in the step (6) is prepared by placing polyester staple fibers into a high-speed mixer for preliminary opening and mixing, preliminarily mixing the polyester staple fibers with different fineness and length, further mixing and opening the polyester staple fibers through a high-position cotton box, supplying a fiber layer formed by opening and mixing the fibers to a carding machine, reciprocating a fiber web output by the carding machine through a lapping machine, and lapping the fiber web in an orderly and crossed manner, and simultaneously controlling the number of the fiber web lapping layers by combining the speed regulation of an output bottom curtain so as to achieve the design surface density of a product; the fiber webs are needled through the pre-needling machine, so that the fibers are intertwined and cohered with each other, the fiber webs are reinforced, the slippage resistance among the fibers is increased, and the fiber webs are needled up and down at high speed and high density through five high-frequency main needling machines, so that the non-woven needled gray fabric with certain high strength is prepared; then, carrying out various tests on the needled blanket, and coiling the needled blanket by a coiling machine after the tests are qualified to finally prepare a non-woven fabric bottom blanket base;
coating white PVC3300g/m2 on the non-woven fabric blanket base in the steps (7) to (8), superposing the 1 surface layer tufted blanket to form two-layer composite, plasticizing the PVC two-layer composite material by an oven, cooling, and forming square blankets with different specifications such as 50 cm by 50 cm and the like by a blanking machine;
after a non-woven fabric blanket base is led into a Teflon conveyer belt, a PVC material is placed, when the PVC material coated on the bottom layer is led into a compression roller, a blank blanket is led to the position where an upper layer material is placed, then the blank blanket with the BCF flame-retardant colored elbow yarns after tufting is led into the base blanket, the blank blanket passes through the compression roller, a proper compression roller gap is adjusted, a double-roller composite process is adopted to enable the blanket base, the blank blanket and the PVC material to be bonded together to form a carpet, and the flatness and the non-folding phenomenon of the carpet are noticed; the carpet enters a specially-made arched oven for plasticizing, and the PVC bonding condition and the plasticizing effect are observed in time when the product is discharged from the oven opening; cooling the plasticized product by an air-conditioning cooling roller, drafting the product to a cloth storage rack for flattening and completely cooling; and (3) guiding the product into an automatic blanking machine for blanking, manually collecting the sheet, and neatly placing to obtain the flame-retardant colored elbow yarn square carpet.
Preferably, the flame-retardant colored polyester yarn in the step (1) is prepared by adding the flame-retardant chip material into the mixture of the blended flame-retardant master batches and the blended master batches by adopting a melt spinning process. Adding a mixture of blending type flame-retardant master batches and blending type master batches into the flame-retardant slice material, wherein the components account for the mixture by mass percent: 97-98% of the blending type flame-retardant master batch and 2-3% of the color master batch, so that the flame-retardant colored polyester yarn has a flame-retardant effect.
Preferably, the flame retardant sliced sheets are produced by a melt spinning process. The flame-retardant sliced sheet consists of a copolymerization type primary phosphorus flame retardant and a copolymerization type polyester slice, and the flame-retardant sliced sheet comprises the following components in percentage by mass: 30-40% of copolymerization type primary phosphorus flame retardant and 60-70% of copolymerization type polyester chip; and then the flame-retardant sliced sheet is prepared by a melt spinning slicing process.
Preferably, the melt spinning slicing process temperature is 220 ℃ to 250 ℃. The flame-retardant sliced sheet prepared at the temperature has good quality.
Preferably, the melt spinning process temperature is 260 ℃ to 295 ℃. The flame-retardant colored polyester yarn prepared at the temperature has good quality.
Preferably, a twisting machine is used for carrying out double-strand yarn twisting in the step (2). The twisting machine twists 160-190 to enhance the toughness and elasticity of the yarn.
Preferably, the shaping machine is adopted for shaping after twisting in the step (2). The strength of the yarn is improved.
Preferably, after being shaped by the shaping machine, the flame-retardant colored bent yarn is made by adopting a yarn-fixing process. The yarn can achieve the setting effect.
Preferably, the yarn fixing process temperature is 170-190 ℃. The problem of yarn fixing technology of the conventional product below 150 ℃ is solved, and the problem of lodging resistance of polyester yarns is solved; the manufactured high-elasticity colored elbow yarn.
Preferably, the non-woven bottom blanket base and the blanket in the step (7) are bonded by a PVC material. The PVC material is more environment-friendly in adhesion and firmer in adhesion.
Preferably, an automatic blanking machine is used for blanking in the step (8). And is more intelligent.
Preferably, the twisted and shaped elbow yarns are tufted and bonded by glue at the same time by using a tufting device in the steps (3) to (5). In the steps (3) to (5), tufting and pile fixing are carried out in the tufting device at the same time, so that the process period is shortened and the production efficiency is improved under the condition of not influencing the quality.
Preferably, the tufting device comprises a weaving mechanism 1 for weaving on a woven layer, a cutting mechanism 2 for cutting the woven elbow yarns, and a gluing mechanism 3 for gluing the woven layer at the bottom of the woven layer. The weaving layer is a blank blanket, the weaving layer firstly passes through the gluing mechanism 3, the gluing mechanism 3 brushes a layer of glue on the bottom of the weaving layer, then the weaving mechanism 1 continues to pass through, the elbow yarn is woven on the weaving layer brushed with the glue through the weaving mechanism 1, and finally the velvet cutting mechanism 2 cuts velvet. The knitting mechanism 1 includes a plurality of knitting needles 11 arranged side by side, and an intake duct 12 communicating with and corresponding to each knitting needle 11. Every knitting needle 11 is equipped with an intake pipe 12, what intake pipe 12 blew out is cold air, at the in-process of weaving, makes waterproof glue solidify rapidly for the elbow yarn is more firm, is difficult for droing.
Preferably, the knitting needles 11 are arranged in the width direction of the knitted layer. The knitting needles 11 are arranged in the width direction of the knitted layer, and knitting can be performed while the knitting needles 11 are conveyed forward.
Preferably, the knitting needle 11 is formed with a bending yarn passage 111 through which the bending yarn passes; the inlet of the yarn bend 111 is located at the upper end of the structuring needle 11 and the outlet of the yarn bend 111 is located at the side wall of the tip of the structuring needle 11. During the knitting process, the bending yarn enters from the inlet of the bending yarn channel 111 and exits from the outlet of the bending yarn channel 111.
Preferably, the inlet tube 12 communicates with the yarn bend channel 111 of the structuring needle 11. The connection of the air inlet pipe 12 and the elbow yarn channel 111 not only can quickly solidify the waterproof glue, but also can prevent the elbow yarn from being taken out when the knitting needle 11 exits the knitting layer.
Preferably, the knitting mechanism 1 further includes a knitting driving member 13 for driving each knitting needle 11 to move up and down for knitting, and an air tube driving member 14 for driving each air inlet tube 12 to move in synchronization with the knitting needle 11. The knitting needle 11 and the air inlet pipe 12 are driven to move by a knitting driving piece 13 and an air pipe driving piece 14 respectively, and the knitting driving piece 13 and the air pipe driving piece 14 both adopt micro cylinders.
Preferably, the knitting mechanism 1 further includes a stripper sleeve 15 fitted around the outer periphery of each knitting needle 11. The knitting needle 11 is stuck with glue during the knitting process, at this time, the glue on the knitting needle 11 is scraped off by the glue removing sleeve 15 during the up-and-down movement of the knitting needle 11, and in addition, the glue removing sleeve 15 is made of rubber.
Preferably, a fixing frame 151 for fixing the degumming sleeve 15 is further arranged on the outer side wall of the degumming sleeve 15. The degumming sleeve 15 is fixed by a fixing frame 151.
Preferably, the pile cutting mechanism 2 comprises a number of shearing modules 21 in one-to-one correspondence with each knitting needle 11. The knitted bending yarns are subjected to a cutting treatment by a cutting assembly 21.
Preferably, the shearing assembly 21 comprises a first shearing body 211 and a second shearing body 212, and a shearing driving member 213 for driving the first shearing body 211 and the second shearing body 212 to shear. The cutting driving member 213 drives the first cutting member 211 and the second cutting member 212 to perform a cutting operation in cooperation with each other, so as to cut the knitted elbow yarns.
Preferably, the shearing driving element 213 comprises a driving cylinder, and a cylinder body 2131 of the driving cylinder is provided with a first connecting rod 214 and a second connecting rod 215. One end of the first connecting rod 214 is rotatably connected to the first cutting body 211, and the other end of the first connecting rod 214 is rotatably connected to the cylinder 2131; one end of the second connecting rod 215 is rotatably connected to the second cutting body 212, and the other end of the first connecting rod 125 is rotatably connected to the cylinder 2131. The first cutting body 211 and the second cutting body 212 are connected by a first connecting rod 214 and a second connecting rod 215.
Preferably, the first connecting shaft 214 is provided with a first connecting shaft connected to the cylinder block 2131, and a second connecting shaft connected to the first cutting body 211; the second connecting rod 215 is provided with a third connecting shaft connected to the cylinder 2131 and a fourth connecting shaft connected to the second shearing body 212; the cylinder body 2131 is provided with a first connecting hole and a third connecting hole which are matched with the first connecting shaft and the third connecting shaft respectively; the first shearing body 211 is provided with a second connecting hole matched with the second connecting shaft; and a fourth connecting hole matched with the fourth connecting shaft is formed in the second shearing body 212. The first shear body 211 is connected to the cylinder 2131 by the first connecting rod 214, the second shear body 212 is connected to the cylinder 2131 by the second connecting rod 215, and the first shear body 211 and the second shear body 212 perform shearing operations by the first connecting rod 214 and the second connecting sensitive action.
Preferably, the end of the driving cylinder output shaft 2132 is further provided with a connecting main shaft 21321 which is rotatably connected with the first cutting body 211 and the second cutting body 212. The first shearing body 211 and the second shearing body 212 move up and down by the output shaft 2132 of the driving cylinder, and can complete the shearing operation by the first connecting rod 214 and the second connecting induction action.
Preferably, the gluing mechanism 3 comprises a glue tank 31 for storing glue, a gluing roller 32 positioned inside the glue tank 31 and rotatably connected to the glue tank 31, and a preheating member 33 positioned downstream of the glue tank 31. Glue in the glue storage tank 31 is smeared to the bottom of the woven layer through the gluing roller 32, and when the glue passes through the preheating piece 33, the glue at the bottom of the woven layer is heated, so that the woven layer is easier to pierce by the knitting needle 11, and the elbow yarns are easier to be adhered by the glue.
Preferably, the peripheral surface of the glue roller 32 is in contact with the lower surface of the braid. The gluing roller 32 rotates in the glue storage tank 31, and glue is coated at the bottom of the woven layer once every rotation.
Preferably, the tufting device further comprises a conveying mechanism 4 driving the forward transport of the woven layer. The braided layer is driven to be conveyed forwards through the conveying mechanism 4, and the conveying mechanism is very convenient and fast.
Preferably, the conveying mechanism 4 comprises a driving conveying roller located downstream of the cut pile mechanism 2 and a driven conveying roller located upstream of the glue storage tank 31; the driving conveying roller comprises a first driving conveying roller 41 positioned on the upper surface of the woven layer and a second driving conveying roller 42 positioned on the lower surface of the woven layer; the driven conveying roller includes a first driven conveying roller 43 located on the upper surface of the braid and a second driven conveying roller 44 located on the lower surface of the braid. First initiative conveying roller 41 clockwise rotation, second initiative conveying roller 42 anticlockwise rotation, through the cooperation of two rollers, just can carry the weaving layer forward.
The above embodiments and drawings are not intended to limit the form and style of the present invention, and any suitable changes or modifications thereof by those skilled in the art should be considered as not departing from the scope of the present invention.

Claims (10)

1. The flame-retardant polyester elbow yarn printed fully-paved blanket forming method is characterized by comprising the following steps of:
(1) Manufacturing flame-retardant colored polyester yarns;
(2) Twisting and shaping the flame-retardant colored polyester yarn to prepare flame-retardant colored elbow yarn;
(3) Weaving the flame-retardant colored elbow yarn on the surface of the blanket;
(4) Tufting the flame-retardant colored elbow yarns positioned on the surface of the blanket;
(5) Gluing the back of the blanket to shape the bottom of the flame-retardant colored elbow yarn;
(6) Manufacturing a non-woven fabric bottom blanket base;
(7) Bonding the blank blanket and the non-woven fabric bottom blanket base together;
(8) The finished product is blanked to prepare the flame-retardant colored elbow yarn square carpet;
tufting and gluing for fixing the twisted and shaped elbow yarns by using a tufting device in the steps (3) to (5); the tufting device comprises a weaving mechanism for weaving on a weaving layer, a velvet cutting mechanism for cutting the woven elbow yarns, and a gluing mechanism positioned at the bottom of the weaving layer for gluing the weaving layer;
the knitting mechanism comprises a plurality of knitting needles arranged side by side and air inlet pipes communicated with the knitting needles and corresponding to the knitting needles, and the knitting needles are arranged along the width direction of the knitting layer; an elbow yarn channel for the elbow yarn to pass through is formed on the knitting needle; the inlet of the elbow yarn channel is positioned at one end of the knitting needle far away from the knitting layer, and the outlet of the elbow yarn channel is positioned on the side wall of the tip end of the knitting needle; the air inlet pipe is communicated with an elbow yarn channel of the knitting needle; the knitting mechanism also comprises a knitting driving piece for driving each knitting needle to move up and down for knitting and an air pipe driving piece for driving each air inlet pipe and the knitting needles to move synchronously; the knitting mechanism further comprises a rubber sleeve which is sleeved on the periphery of each knitting needle, a fixing frame which is used for fixing the rubber sleeve is further arranged on the outer side wall of the rubber sleeve, and the velvet cutting mechanism comprises a plurality of shearing assemblies which correspond to the knitting needles one to one.
2. The method for forming the flame-retardant polyester elbow yarn printed full carpet as claimed in claim 1, wherein the flame-retardant colored polyester yarn in step (1) is prepared by adding flame-retardant chips into a mixture of the blended flame-retardant master batches and the blended master batches by a melt spinning process.
3. The forming method of the flame-retardant polyester elbow yarn printed full carpet as claimed in claim 2, wherein the flame-retardant slicing material adopts a melt spinning slicing process.
4. The forming method of the flame-retardant polyester elbow yarn printed full carpet as claimed in claim 3, wherein the melt spinning slicing process temperature is 220-250 ℃.
5. The forming method of the flame-retardant polyester elbow yarn printed full-spread carpet as claimed in claim 2, wherein the melt spinning process temperature is 260-295 ℃.
6. The method for forming the flame-retardant polyester bent yarn printed fully-paved blanket as claimed in claim 2, wherein a twister is used for twisting the two-ply yarn in the step (2).
7. The method for forming the flame-retardant polyester bent yarn printed fully-paved blanket as claimed in claim 6, wherein the forming machine is used for forming after the twisting in the step (2).
8. The forming method of the flame-retardant polyester elbow yarn printed full-spread carpet as claimed in claim 7, wherein the flame-retardant colored elbow yarn is made by adopting a yarn fixing process after being fixed by the setting machine.
9. The method for forming the flame-retardant polyester elbow yarn printed full carpet as claimed in claim 8, wherein the yarn fixing process temperature is 170-190 ℃.
10. The method for forming the flame-retardant polyester bend yarn printed full carpet as claimed in claim 1, wherein in the step (7), the non-woven fabric bottom layer carpet base and the blanket are bonded by PVC material.
CN202010916141.3A 2020-09-03 2020-09-03 Flame-retardant polyester elbow yarn printed full-paved blanket forming method Active CN112252050B (en)

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Publication number Priority date Publication date Assignee Title
CN114516210B (en) * 2021-12-22 2024-05-10 诺奥(福建)环保家居用品有限公司 High-performance flame-retardant engineering blanket

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105401358A (en) * 2015-06-16 2016-03-16 诺奥(福建)环保家居用品有限公司 Preparation technology of flame-retardant tufted printing engineering carpet
CN105401241A (en) * 2015-05-22 2016-03-16 诺奥(福建)环保家居用品有限公司 Flame retardant nonwoven needle-punched exhibition carpet
CN107487063A (en) * 2017-08-07 2017-12-19 诺奥(福建)环保家居用品有限公司 A kind of non-woven base cloth is general to wash tufting printing technology

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105401241A (en) * 2015-05-22 2016-03-16 诺奥(福建)环保家居用品有限公司 Flame retardant nonwoven needle-punched exhibition carpet
CN105401358A (en) * 2015-06-16 2016-03-16 诺奥(福建)环保家居用品有限公司 Preparation technology of flame-retardant tufted printing engineering carpet
CN107487063A (en) * 2017-08-07 2017-12-19 诺奥(福建)环保家居用品有限公司 A kind of non-woven base cloth is general to wash tufting printing technology

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