CN111893641B - Production process of flame-retardant environment-friendly mixed felt - Google Patents
Production process of flame-retardant environment-friendly mixed felt Download PDFInfo
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- CN111893641B CN111893641B CN202010770872.1A CN202010770872A CN111893641B CN 111893641 B CN111893641 B CN 111893641B CN 202010770872 A CN202010770872 A CN 202010770872A CN 111893641 B CN111893641 B CN 111893641B
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- 239000003063 flame retardant Substances 0.000 title claims abstract description 49
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 title claims abstract description 38
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 19
- 238000001035 drying Methods 0.000 claims abstract description 77
- 238000007598 dipping method Methods 0.000 claims abstract description 30
- 238000005406 washing Methods 0.000 claims abstract description 11
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- 230000007246 mechanism Effects 0.000 claims description 68
- 229920000728 polyester Polymers 0.000 claims description 61
- 238000003860 storage Methods 0.000 claims description 47
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- 239000004917 carbon fiber Substances 0.000 claims description 30
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 14
- 238000003756 stirring Methods 0.000 claims description 14
- 238000005485 electric heating Methods 0.000 claims description 11
- 238000009960 carding Methods 0.000 claims description 10
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/4382—Stretched reticular film fibres; Composite fibres; Mixed fibres; Ultrafine fibres; Fibres for artificial leather
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/44—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling
- D04H1/46—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B15/00—Removing liquids, gases or vapours from textile materials in association with treatment of the materials by liquids, gases or vapours
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B23/00—Component parts, details, or accessories of apparatus or machines, specially adapted for the treating of textile materials, not restricted to a particular kind of apparatus, provided for in groups D06B1/00 - D06B21/00
- D06B23/20—Arrangements of apparatus for treating processing-liquids, -gases or -vapours, e.g. purification, filtration or distillation
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B23/00—Component parts, details, or accessories of apparatus or machines, specially adapted for the treating of textile materials, not restricted to a particular kind of apparatus, provided for in groups D06B1/00 - D06B21/00
- D06B23/20—Arrangements of apparatus for treating processing-liquids, -gases or -vapours, e.g. purification, filtration or distillation
- D06B23/205—Arrangements of apparatus for treating processing-liquids, -gases or -vapours, e.g. purification, filtration or distillation for adding or mixing constituents of the treating material
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B3/00—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating
- D06B3/10—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of fabrics
- D06B3/20—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of fabrics with means to improve the circulation of the treating material on the surface of the fabric
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Nonwoven Fabrics (AREA)
Abstract
The invention discloses a production process of a flame-retardant environment-friendly mixed felt, which relates to the technical field of mixed felt processing, and comprises the steps of feeding, opening, cotton grabbing, primary needling, dipping and drying, baking, washing and drying, secondary needling and the like.
Description
Technical Field
The invention belongs to the technical field of mixed felt processing, and particularly relates to a production process of a flame-retardant environment-friendly mixed felt.
Background
The compressor noise is the main noise source of the outdoor unit of the air conditioner (especially of a medium-sized or small-sized type), and the noise magnitude directly determines the magnitude and the tone quality of the noise value of the air conditioner. Compressor soundproof cotton is commonly adopted to wrap the compressor in the industry at present, so that noise of the compressor is attenuated. In order to improve the noise reduction, the soundproof cotton used for wrapping the compressor generally comprises a sound absorption layer and a soundproof layer to form composite soundproof cotton to reduce the noise of the compressor.
At present, the soundproof cotton material in the market is various, and the material of different compositions, its syllable-dividing effect and mechanical properties (like tensile strength) can have great difference, and the thermoplastic forming performance of current mixed felt remains to be improved, and in addition, traditional production technology needs to soak the fire retardant on the substrate, mainly has two kinds of modes at present: one is to bend the substrate by means of a guide roller and introduce the substrate into a liquid storage tank containing the impregnating compound, and the other is to use a shower. For the former, the guide roller needs to give mixed felt a great tensile force for mixed felt when leading the roller, and the fire retardant of mixed felt inside is being extruded easily and is influencing the flooding effect, has also caused the inconvenient and slow defect of pay-off speed of clearance maintenance of guide roller simultaneously, still need through pricking liquid behind the flooding fire retardant, causes mixed felt to produce serious fold, tight after the stoving easily. In the latter case, insufficient impregnation is likely to occur.
Disclosure of Invention
The invention aims to provide a production process of a flame-retardant environment-friendly mixed felt, which aims to overcome the defects caused in the prior art.
A production process of a flame-retardant environment-friendly mixed felt comprises the following steps:
(1) feeding and loosening, namely, taking a certain amount of polyester fibers, carbon fibers, polyester fibers and non-woven fibers according to a certain proportion, respectively feeding and mixing the polyester fibers, the carbon fibers, the polyester fibers and the non-woven fibers through four electronic bale openers, and conveying the mixed raw materials to a fine opener through a conveying curtain of a mixing unit for loosening and loosening;
(2) cotton grabbing, namely mixing the loosened polyester fibers, carbon fibers, polyester fibers and non-woven fibers, carding uniformly by using a carding machine, and lapping the mixed fibers by using a lapping machine to form a fiber web;
(3) one-time needling, the fiber net is sent into a needling machine for first needling, the needling frequency is 36-40HZ, and the needling density is 300-320 needles/cm2The needling depth is 6-10mm, and a primary mixed felt is formed;
(4) dipping and drying, namely horizontally passing the primary mixed felt through a dipping and drying all-in-one machine, firstly passing the mixed felt through a liquid fire retardant in the dipping and drying all-in-one machine and dipping the fire retardant on the surface of the mixed felt, and then rapidly drying the mixed felt through a drying component at the tail part of the dipping and drying all-in-one machine to dry the liquid fire retardant on the surface of the mixed felt, wherein the feeding speed of the mixed felt is 5-20cm/s, and the drying temperature is 180-230 ℃;
(5) baking, namely baking the dried mixed felt at the temperature of 160-180 ℃ for 40-70 s;
(6) washing and drying, namely washing and drying the baked mixed felt;
(7) secondary needling, namely carrying out primary needling treatment on the dried mixed felt in the step (6) to obtain a required mixed felt product, wherein the needling frequency is 36-40HZ, and needles are arrangedThe puncture density is 260-2The depth of the acupuncture is 1-2 mm.
Preferably, the percentage content of the polyester fiber, the carbon fiber, the polyester fiber and the non-woven fiber is as follows: 55-80% of polyester fiber, 10-40% of carbon fiber, 5-15% of polyester fiber and 5-15% of non-woven fiber.
Preferably, the thickness of the mixed felt product is 4-6 mm.
Preferably, the specifications of the polyester fibers, the carbon fibers, the polyester fibers and the non-woven fibers are as follows: the thickness is 6-20D, and the length is 20-100 mm.
Preferably, the dipping and drying all-in-one machine comprises a liquid storage tank, an air inlet box, a mixing mechanism, a flow stabilizing mechanism, a lifting mechanism and a driving mechanism, wherein supporting legs are installed at the bottom of the liquid storage tank, a feed inlet and a discharge outlet are respectively arranged at two sides of the liquid storage tank, the air inlet box is respectively installed at the outer sides of the feed inlet and the discharge outlet and used for blowing off liquid located at the inner sides of the feed inlet and the discharge outlet, a drying assembly is further installed in the air inlet box located at one side of the discharge outlet to realize drying treatment of mixed felts, the mixing mechanism is installed in the liquid storage tank and used for stirring liquid in the liquid storage tank to enable the liquid to form circulation, the flow stabilizing mechanism is installed in the liquid storage tank and is connected to the air inlet box located at one side of the discharge outlet through the driving of the driving mechanism to realize opening and closing of the flow stabilizing mechanism, the flow stabilizing mechanism is used for enabling the liquid at two sides of the liquid storage tank to tend to be stable, the lifting mechanism is installed at the bottom of the liquid storage tank and used for lifting the liquid in the liquid storage tank and reaching the liquid storage tank to reach the air inlet box The mixing mechanism can be driven to operate at the highest point.
Preferably, the air inlet box comprises an end plate and a cover body, the upper end and the lower end of the cover body are both provided with air inlet pipes, and the end plate and the cover body are both provided with guide holes for the mixed felt to pass through;
the length of the air inlet box positioned on one side of the discharge end is greater than that of the other air inlet box, the guide block is arranged in the air inlet box positioned on one side of the discharge end, the air flow entering the air inlet box is divided into two parts, one part enters the liquid storage box, the other part enters the drying assembly, the drying assembly comprises an electric heating net and an air deflector which are symmetrically arranged in the air inlet box, a plurality of inclined air holes are formed in the air deflector, the electric heating net and the air deflector are horizontally arranged in the air inlet box, the air deflector is positioned on the upper side and the lower side of the mixed felt, and the electric heating net, the cover body and the guide block form a drying chamber.
Preferably, the two mixing mechanisms are symmetrically arranged in the liquid storage tank and specifically comprise a rotating frame, a gear ring, a plurality of stirring blades and rotating shafts, the rotating shafts are arranged on the rotating frame, one end of each rotating shaft is rotatably connected to the side wall of the liquid storage tank, the gear ring is arranged on the outer ring of the rotating frame, the outer ring of the rotating frame on one side of the gear ring is provided with the plurality of stirring blades, the stirring blades are circumferentially arranged along the axis of the rotating frame, and the two rotating shafts are connected into a whole through a coupler;
the lifting mechanism comprises a bottom plate, a hydraulic cylinder and a guide pillar, the bottom plate is connected in the liquid storage tank in a sliding mode, the lower end of the bottom plate is connected to the output end of the hydraulic cylinder, the guide pillar is fixed to the bottom surface of the bottom plate and is connected to the bottom of the liquid storage tank in a sliding mode, two power mechanisms are symmetrically installed on the top surface of the bottom plate and specifically comprise two symmetrically arranged supports, a driving gear is connected to the supports in a rotating mode, and one of the driving gears is connected to the output end of the driving motor.
Preferably, the flow stabilizing mechanism comprises two flow stabilizing plates which are symmetrically arranged, a plurality of through holes are formed in each flow stabilizing plate, a U-shaped notch matched with the rotating shaft is further formed in each flow stabilizing plate, telescopic mechanisms are mounted on the front side and the rear side of each flow stabilizing plate and fixed in the liquid storage tank by means of the transverse plates, each telescopic mechanism comprises a piston cylinder, a piston rod and a piston, each piston cylinder is mounted on the transverse plate, the lower end of each piston rod is connected to the corresponding piston and is connected into the corresponding piston cylinder in a sliding mode by means of the corresponding piston, and an air inlet is formed in the lower end of each piston cylinder;
the air inlet channel and the air exhaust channel are connected to the drying chamber and the air inlet through connecting pipes respectively, the slide rod is connected in the straight pipe in a sliding mode, the lower end of the slide rod is connected to the driving rod, the driving rod is installed at one end of the supporting plate, the other end of the supporting plate is connected to the guide pillar, a connecting hole matched with the air inlet channel is formed in the lower portion of the slide rod, an L-shaped pressure relief hole is formed in the upper portion of the slide rod, and the upper end of the pressure relief hole is communicated with the atmosphere.
The invention has the advantages that:
(1) the mixed felt of the invention adopts a plurality of materials for mixing, has excellent sound insulation and flame retardant properties and good thermoplastic forming property (addition of polyester fiber) by impregnating flame retardant, and finally reaches the expected requirement by controlling needling parameters, drying temperature, time and the like in the production process;
(2) according to the invention, a horizontal dipping and drying treatment mode is adopted, namely the mixed felt is directly dipped with the flame retardant through the lifted liquid flame retardant at a reasonable feeding speed, and then is dried by the drying component without bending the mixed felt and arranging the guide roller, so that the mixed felt can lock more flame retardants on the premise of not reducing the feeding speed, and because the guide roller is not in direct contact with the impregnating compound, the difficulty in cleaning and maintaining the guide roller in the later period is also reduced, the liquid pricking process is omitted, the wrinkle and tightening degree of the product in the later period are reduced, the fluffy effect of the mixed felt can be realized by adopting the needling with lower depth, and the sound insulation effect is improved; in addition, due to the action of high-speed air flow of the feeding port and the discharging port, impurities and redundant flame retardants attached to the surface of the mixed felt can be removed, so that the drying process is accelerated.
Drawings
FIG. 1 is a process flow diagram of the present invention.
Fig. 2 is a schematic structural diagram of the impregnation and drying all-in-one machine of the present invention.
Fig. 3 is a partially enlarged view of the portion of the inlet box at the discharge opening.
Fig. 4 is a side view of the mixing and actuating mechanism in position.
Fig. 5 is a side view of the position of the flow stabilizer.
Wherein, 1-a liquid storage box, 2-an air inlet box, 21-an end plate, 22-a cover body, 23-an air inlet pipe, 24-a guide hole, 3-a mixing mechanism, 31-a rotating frame, 32-a gear ring, 33-a stirring blade, 34-a rotating shaft, 35-a coupler, 4-a flow stabilizing mechanism, 41-a flow stabilizing plate, 43-a U-shaped notch, 44-a telescoping mechanism, 441-a piston cylinder, 442-a piston rod, 443-a piston, 445-an air inlet, 5-a lifting mechanism, 51-a bottom plate, 52-a hydraulic cylinder, 53-a guide post, 6-a driving mechanism, 61-a straight pipe, 62-a slide rod, 63-a driving rod, 64-a support plate, 65-an air inlet channel, 66-an air outlet channel and 67-a connecting hole, 68-pressure relief holes, 7-power mechanisms, 71-supports, 72-driving gears, 73-driving motors, 8-feeding holes, 9-discharging holes, 10-drying assemblies, 101-guide blocks, 102-electric heating nets, 103-air deflectors, 104-air holes and 11-liquid level sensors.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
Example 1
As shown in fig. 1, a production process of a flame-retardant environment-friendly mixed felt comprises the following steps:
(1) feeding and loosening, namely, taking a certain amount of polyester fibers, carbon fibers, polyester fibers and non-woven fibers according to a certain proportion, respectively feeding and mixing the polyester fibers, the carbon fibers, the polyester fibers and the non-woven fibers through four electronic bale openers, and conveying the mixed raw materials to a fine opener through a conveying curtain of a mixing unit for loosening and loosening;
(2) cotton grabbing, namely mixing the loosened polyester fibers, carbon fibers, polyester fibers and non-woven fibers, carding uniformly by using a carding machine, and lapping the mixed fibers by using a lapping machine to form a fiber web;
(3) one-time needling, the fiber web is sent into a needling machine for the first needling, the needling frequency is 36HZ, and the needling density is 300 needles/cm2The needling depth is 10mm, and a primary mixed felt is formed;
(4) dipping and drying, namely horizontally passing the primary mixed felt through a dipping and drying all-in-one machine, firstly passing the mixed felt through a liquid flame retardant in the dipping and drying all-in-one machine, dipping the flame retardant on the surface of the mixed felt, and then rapidly drying the mixed felt through a drying component at the tail part of the dipping and drying all-in-one machine to dry the liquid flame retardant on the surface of the mixed felt, wherein the feeding speed of the mixed felt is 5cm/s, and the drying temperature is 180 ℃;
(5) baking, namely baking the dried mixed felt at 160 ℃ for 70 s;
(6) washing and drying, namely washing and drying the baked mixed felt;
(7) and (4) secondary needling, namely carrying out primary needling treatment on the dried mixed felt in the step (6) to obtain a required mixed felt product, wherein the needling frequency is 36HZ, and the needling density is 260 needles/cm2The depth of the needle penetration is 2 mm.
In this embodiment, the percentage content of the polyester fiber, the carbon fiber, the polyester fiber and the nonwoven fiber is: 55% of polyester fiber, 35% of carbon fiber, 5% of polyester fiber and 5% of non-woven fiber.
In this example, the thickness of the hybrid felt product was 4 mm.
In this embodiment, the specifications of the polyester fiber, the carbon fiber, the polyester fiber and the non-woven fiber are as follows: thickness 6D, length 20 mm.
Example 2
A production process of a flame-retardant environment-friendly mixed felt comprises the following steps:
(1) feeding and loosening, namely, taking a certain amount of polyester fibers, carbon fibers, polyester fibers and non-woven fibers according to a certain proportion, respectively feeding and mixing the polyester fibers, the carbon fibers, the polyester fibers and the non-woven fibers through four electronic bale openers, and conveying the mixed raw materials to a fine opener through a conveying curtain of a mixing unit for loosening and loosening;
(2) cotton grabbing, namely mixing the loosened polyester fibers, carbon fibers, polyester fibers and non-woven fibers, carding uniformly by using a carding machine, and lapping the mixed fibers by using a lapping machine to form a fiber web;
(3) one-time needling is carried out, the fiber web is sent into a needling machine for the first needling, the needling frequency is 39HZ, and the needling density is 310 needles/cm2The needling depth is 8mm, and a primary mixed felt is formed;
(4) dipping and drying, namely horizontally passing the primary mixed felt through a dipping and drying all-in-one machine, firstly passing the mixed felt through a liquid flame retardant in the dipping and drying all-in-one machine, dipping the flame retardant on the surface of the mixed felt, and then rapidly drying the mixed felt through a drying component at the tail part of the dipping and drying all-in-one machine to dry the liquid flame retardant on the surface of the mixed felt, wherein the feeding speed of the mixed felt is 10cm/s, and the drying temperature is 200 ℃;
(5) baking, namely baking the dried mixed felt at the temperature of 170 ℃ for 50 s;
(6) washing and drying, namely washing and drying the baked mixed felt;
(7) secondary needling, namely carrying out primary needling treatment on the dried mixed felt in the step (6) to obtain a required mixed felt product, wherein the needling frequency is 39HZ, and the needling density is 270 needles/cm2The depth of the needle penetration is 1.5 mm.
In this embodiment, the percentage content of the polyester fiber, the carbon fiber, the polyester fiber and the nonwoven fiber is: 65% of polyester fiber, 20% of carbon fiber, 5% of polyester fiber and 10% of non-woven fiber.
In this example, the thickness of the hybrid felt product was 5 mm.
In this embodiment, the specifications of the polyester fiber, the carbon fiber, the polyester fiber and the non-woven fiber are as follows: thickness 10D, length 50 mm.
Example 3
A production process of a flame-retardant environment-friendly mixed felt comprises the following steps:
(1) feeding and loosening, namely, taking a certain amount of polyester fibers, carbon fibers, polyester fibers and non-woven fibers according to a certain proportion, respectively feeding and mixing the polyester fibers, the carbon fibers, the polyester fibers and the non-woven fibers through four electronic bale openers, and conveying the mixed raw materials to a fine opener through a conveying curtain of a mixing unit for loosening and loosening;
(2) cotton grabbing, namely mixing the loosened polyester fibers, carbon fibers, polyester fibers and non-woven fibers, carding uniformly by using a carding machine, and lapping the mixed fibers by using a lapping machine to form a fiber web;
(3) one-time needling is carried out, the fiber web is sent into a needling machine for the first needling, the needling frequency is 40HZ, and the needling density is 320 needles/cm2The depth of the needle penetration is 6mmForming a primary mixed felt;
(4) dipping and drying, namely horizontally passing the primary mixed felt through a dipping and drying all-in-one machine, firstly passing the mixed felt through a liquid flame retardant in the dipping and drying all-in-one machine, dipping the flame retardant on the surface of the mixed felt, and then rapidly drying the mixed felt through a drying component at the tail part of the dipping and drying all-in-one machine to dry the liquid flame retardant on the surface of the mixed felt, wherein the feeding speed of the mixed felt is 20cm/s, and the drying temperature is 230 ℃;
(5) baking, namely baking the dried mixed felt at the temperature of 180 ℃ for 40 s;
(6) washing and drying, namely washing and drying the baked mixed felt;
(7) secondary needling, namely carrying out primary needling treatment on the dried mixed felt in the step (6) to obtain a required mixed felt product, wherein the needling frequency is 40HZ, and the needling density is 290 needles/cm2The depth of the needle penetration is 1 mm.
In this embodiment, the percentage content of the polyester fiber, the carbon fiber, the polyester fiber and the nonwoven fiber is: 80% of polyester fiber, 10% of carbon fiber, 5% of polyester fiber and 5% of non-woven fiber.
In this example, the thickness of the hybrid felt product is 4-6 mm.
In this embodiment, the specifications of the polyester fiber, the carbon fiber, the polyester fiber and the non-woven fiber are as follows: thickness 20D, length 100 mm.
As shown in fig. 2 to 5, in the present invention, in order to improve production efficiency and obtain a product with good performance, a dipping and drying all-in-one machine applied to the product is designed, and specifically, the dipping and drying all-in-one machine includes a liquid storage tank 1, an air inlet tank 2, a mixing mechanism 3, a flow stabilizing mechanism 4, a lifting mechanism 5 and a driving mechanism 6, wherein support legs are installed at the bottom of the liquid storage tank 1, a feed inlet 8 and a discharge outlet 9 are respectively installed at two sides of the liquid storage tank 1, the air inlet tank 2 is respectively installed at the outer sides of the feed inlet 8 and the discharge outlet 9 and is used for blowing off liquid located at the inner sides of the feed inlet 8 and the discharge outlet 9, a drying assembly 10 is further installed in the air inlet tank 2 located at one side of the discharge outlet 9 to realize drying treatment of a mixed felt, the mixing mechanism 3 is installed in the liquid storage tank 1 and is used for stirring the liquid in the liquid storage tank 1 to form a circulation, the flow stabilizing mechanism 4 is installed in the liquid storage tank 1 and is connected to the air inlet tank 2 located at one side of the discharge outlet 9 through the driving mechanism 6 The flow stabilizing mechanism 4 is used for promoting the liquid on two sides of the liquid storage tank 1 to tend to be stable, and the lifting mechanism 5 is installed at the bottom of the liquid storage tank 1 and used for lifting the liquid in the liquid storage tank 1 and driving the mixing mechanism 3 to operate when the liquid reaches the highest point.
In this embodiment, the air intake box 2 includes an end plate 21 and a cover 22, the upper and lower ends of the cover 22 are both provided with air intake pipes 23, and the end plate 21 and the cover 22 are both provided with guide holes 24 for the mixed felt to pass through;
the length of the air inlet box 2 positioned on one side of the discharge end is greater than that of the other air inlet box 2, the guide block 101 is arranged in the air inlet box 2 positioned on one side of the discharge end and divides airflow entering the air inlet box 2 into two parts, one part enters the liquid storage box 1, the other part enters the drying component 10, the drying component 10 comprises an electric heating net 102 and an air deflector 103 which are symmetrically arranged in the air inlet box 2, the electric heating net 102 and the air deflector 103 are horizontally arranged in the air inlet box, the air deflector 103 is positioned on the upper side and the lower side of the mixed felt, a plurality of inclined air holes 104 are formed in the air deflector 103, and the electric heating net 102, the cover body 22 and the guide block 101 form a drying chamber.
In this embodiment, two mixing mechanisms 3 are symmetrically installed in the liquid storage tank 1, and specifically include a rotating frame 31, a gear ring 32, a stirring blade 33 and a rotating shaft 34, where the rotating shaft 34 is installed on the rotating frame 31 and one end of the rotating shaft is rotatably connected to the side wall of the liquid storage tank 1, where waterproof sealing treatment should be performed, the gear ring 32 is installed on the outer ring of the rotating frame 31, the outer ring of the rotating frame 31 on one side of the gear ring 32 is installed with a plurality of stirring blades 33, the stirring blades 33 are circumferentially arranged along the axis of the rotating frame 31, and the two rotating shafts 34 are connected into a whole through a coupling 35;
the lifting mechanism 5 comprises a bottom plate 51, a hydraulic cylinder 52 and a guide post 53, the bottom plate 51 is slidably connected in the liquid storage tank 1, the lower end of the bottom plate is connected to the output end of the hydraulic cylinder 52, the guide post 53 is fixed on the bottom surface of the bottom plate 51 and slidably connected to the bottom of the liquid storage tank 1, two power mechanisms 7 are symmetrically installed on the top surface of the bottom plate 51, the two power mechanisms specifically comprise two symmetrically arranged supports 71, a driving gear 72 is rotatably connected to the supports 71, and one of the driving gears 72 is connected to the output end of a driving motor 73.
In this embodiment, the flow stabilizing mechanism 4 includes two flow stabilizing plates 41 symmetrically arranged, the flow stabilizing plate 41 is provided with a plurality of through holes, and the flow stabilizing plate 41 is further provided with a U-shaped notch 43 matched with the rotating shaft 34, so that when the flow stabilizing plate 41 moves up and down, the rotating shaft 34 slides in the U-shaped notch 43, so that interference to the rotating shaft 34 is avoided, the front and rear sides of the flow stabilizing plate 41 are provided with the telescopic mechanisms 44, the telescopic mechanisms 44 are fixed in the liquid storage tank 1 by means of a transverse plate, the telescopic mechanisms 44 include a piston cylinder 441, a piston rod 442 and a piston 443, the piston cylinder 441 is mounted on the transverse plate, the lower end of the piston rod 442 is connected to the piston 443 and is slidably connected in the piston cylinder 441 by means of the piston 443, and the lower end of the piston cylinder 441 is provided with an air inlet 445;
the driving mechanism 6 comprises a straight tube 61, a slide rod 62, a driving rod 63 and a support plate 64, the straight pipe 61 is fixed at the outer side of the liquid storage tank 1 through a side plate at the side of the straight pipe 61, a transverse air inlet channel 65 and an air exhaust channel 66 are arranged on the straight pipe 61 coaxially, the air inlet channel 65 and the air exhaust channel 66 are respectively connected to the drying chamber and the air inlet 445 through connecting pipes, since there are a plurality of piston cylinders 441, the connecting pipes connected with the piston cylinders 441 form an I-shaped connecting layout, and finally converge at the exhaust passage 66, the sliding rod 62 is slidably connected in the straight pipe 61 and the lower end thereof is connected to the driving rod 63, the driving rod 63 is mounted at one end of the support plate 64, the other end of the support plate 64 is connected to the guide pole 53, the lower part of the sliding rod 62 is provided with a connecting hole 67 matched with the air inlet channel 65, the upper part of the sliding rod 62 is provided with an L-shaped pressure relief hole 68, and the upper end of the pressure relief hole 68 is communicated with the atmosphere.
The working principle of the drying and gluing integrated machine is as follows:
the mixed felt after the primary needling enters the liquid storage box 1 through the guide hole 24 of the air inlet box 2 positioned on one side of the feed inlet 8 and then is led out through the guide hole 24 of the air inlet box 2 positioned on one side of the discharge outlet 9 and the discharge outlet 9, in the process, the existing blower introduces high-speed gas into the air inlet pipe 23, then the hydraulic cylinder 52 is started, the bottom plate 51 rises and drives the liquid level of the liquid flame retardant in the liquid storage box 1 to rise to a certain height, the height can be detected by the liquid level sensor 11 and transmitted to the control center, when the liquid level is insufficient, the liquid flame retardant can be supplemented into the liquid storage box 1, the high-speed gas is discharged into the liquid storage box 1 through the feed inlet 8 and the discharge outlet 9, the liquid flame retardant on one side of the feed inlet 8 and the discharge outlet 9 is blown away to form a sunken buffer zone (without the liquid flame retardant), the lifted mixed felt is immersed, and the impregnation treatment of the flame retardant is realized, when the soaked mixed felt passes through the drying component 10 again, the electric heating net 102 is in an electrified state, high-speed gas introduced through the air inlet pipe 23 also enters the drying chamber, heated air is blown onto the mixed felt through the air holes 104 to dry the mixed felt, and the upper ends of the air holes 104 are close to the direction of the discharge hole 9;
in the process, the working processes of the flow stabilizing mechanism 4 and the mixing mechanism 3 are as follows:
after the bottom plate 51 rises to the highest point, the driving gear 72 is in contact with the gear ring 32, the driving motor 73 is started at the same time, the driving gear 72 is driven to rotate by the driving motor 73, and then the rotating frame 31 is driven to rotate, so that the liquid flame retardant is mixed and stirred to form circulation, and uniform impregnation of the flame retardant is facilitated.
The guide post 53 ascends along with the ascending of the bottom plate 51 to drive the driving rod 63 and the sliding rod 62 to ascend, finally, the connecting hole 67 on the sliding rod 62 is communicated with the air inlet channel 65 and the air outlet channel 66, the air flow in the drying chamber enters the piston cylinder 441 to drive the piston rod 442 and the stabilizing plate 41 to ascend, the ascending of the stabilizing plate 41 can play a role in stabilizing the liquid flame retardant at the feed inlet 8 and the discharge outlet 9, the phenomenon that the liquid levels at the two positions generate large fluctuation due to the stirring of the mixing mechanism 3 is avoided, and the probability that the flame retardant enters the feed inlet 8 and the discharge outlet 9 is reduced. When the bottom plate 51 descends and returns to the original position, the driving gear 72 is separated from the gear ring 32, the mixing mechanism 3 stops operating, the sliding rod 62 descends, the pressure relief hole 68 is communicated with the exhaust channel 66, the air in the piston cylinder 441 flows into the atmosphere, and the flow stabilizing plate 41 descends and returns to the original position.
It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of or equivalence to the invention are intended to be embraced therein.
Claims (7)
1. The production process of the flame-retardant environment-friendly mixed felt is characterized by comprising the following steps of:
(1) feeding and loosening, namely, taking a certain amount of polyester fibers, carbon fibers, polyester fibers and non-woven fibers according to a certain proportion, respectively feeding and mixing the polyester fibers, the carbon fibers, the polyester fibers and the non-woven fibers through four electronic bale openers, and conveying the mixed raw materials to a fine opener through a conveying curtain of a mixing unit for loosening and loosening;
(2) cotton grabbing, namely mixing the loosened polyester fibers, carbon fibers, polyester fibers and non-woven fibers, carding uniformly by using a carding machine, and lapping the mixed fibers by using a lapping machine to form a fiber web;
(3) one-time needling, the fiber net is sent into a needling machine for first needling, the needling frequency is 36-40HZ, and the needling density is 300-320 needles/cm2The needling depth is 6-10mm, and a primary mixed felt is formed;
(4) dipping and drying, namely horizontally passing the primary mixed felt through a dipping and drying all-in-one machine, firstly passing the mixed felt through a liquid fire retardant in the dipping and drying all-in-one machine and dipping the fire retardant on the surface of the mixed felt, and then rapidly drying the mixed felt through a drying component at the tail part of the dipping and drying all-in-one machine to dry the liquid fire retardant on the surface of the mixed felt, wherein the feeding speed of the mixed felt is 5-20cm/s, and the drying temperature is 180-230 ℃;
(5) baking, namely baking the dried mixed felt at the temperature of 160-180 ℃ for 40-70 s;
(6) washing and drying, namely washing and drying the baked mixed felt;
(7) secondary needling, namely carrying out primary needling treatment on the dried mixed felt in the step (6) again to obtainObtaining the required mixed felt product, the needling frequency is 36-40HZ, the needling density is 260-2The needling depth is 1-2 mm;
flooding drying machine includes liquid reserve tank (1), air inlet box (2), mixing mechanism (3), stationary flow mechanism (4), lifting mechanism (5) and actuating mechanism (6), the landing leg is installed to the bottom of liquid reserve tank (1), and the both sides of liquid reserve tank (1) are equipped with feed inlet (8) and discharge gate (9) respectively, air inlet box (2) are installed respectively in the outside of feed inlet (8) and discharge gate (9) and are used for blowing away the liquid that is located feed inlet (8), discharge gate (9) inboard, still install stoving subassembly (10) in air inlet box (2) that are located discharge gate (9) one side in order to realize the stoving processing of mixing the felt, mixing mechanism (3) are installed in liquid reserve tank (1) and are used for stirring the liquid in liquid reserve tank (1), make it form the circulation, stationary flow mechanism (4) are installed in liquid reserve tank (1) and are connected to the liquid that is located discharge gate (9) one side through actuating mechanism (6) drive The air inlet box (2) is used for achieving opening and closing of the flow stabilizing mechanism (4), the flow stabilizing mechanism (4) is used for enabling liquid on two sides of the liquid storage box (1) to tend to be stable, and the lifting mechanism (5) is installed at the bottom of the liquid storage box (1) and used for lifting the liquid in the liquid storage box (1) and can drive the mixing mechanism (3) to operate when the lifting mechanism reaches the highest point.
2. The production process of the flame-retardant environment-friendly mixed felt according to claim 1, characterized in that: the polyester fiber, the carbon fiber, the polyester fiber and the non-woven fiber are in percentage by weight: 55-80% of polyester fiber, 10-40% of carbon fiber, 5-15% of polyester fiber and 5-15% of non-woven fiber.
3. The production process of the flame-retardant environment-friendly mixed felt according to claim 2, characterized in that: the thickness of the mixed felt product is 4-6 mm.
4. The production process of the flame-retardant environment-friendly mixed felt according to claim 2, characterized in that: the specifications of the polyester fiber, the carbon fiber, the polyester fiber and the non-woven fiber are as follows: the thickness is 6-20D, and the length is 20-100 mm.
5. The production process of the flame-retardant environment-friendly mixed felt according to claim 1, characterized in that: the air inlet box (2) comprises an end plate (21) and a cover body (22), air inlet pipes (23) are mounted at the upper end and the lower end of the cover body (22), and guide holes (24) for the mixed felt to pass through are formed in the end plate (21) and the cover body (22);
the length of the air inlet box (2) positioned on one side of the discharge end is larger than that of the other air inlet box (2), the guide block (101) is installed in the air inlet box (2) positioned on one side of the discharge end and divides airflow entering the air inlet box (2) into two parts, one part enters the liquid storage box (1), the other part enters the drying component (10), the drying component (10) comprises an electric heating net (102) and an air guide plate (103) which are symmetrically arranged in the air inlet box (2), a plurality of inclined air holes (104) are formed in the air guide plate (103), the electric heating net (102) and the air guide plate (103) are horizontally arranged in the air inlet box, the air guide plate (103) is positioned on the upper side and the lower side of the mixed felt, and the electric heating net (102), the cover body (22) and the guide block (101) form a drying chamber.
6. The production process of the flame-retardant environment-friendly mixed felt according to claim 1, characterized in that: the mixing mechanism (3) is provided with two mixing mechanisms which are symmetrically arranged in the liquid storage tank (1) and specifically comprises a rotating frame (31), a gear ring (32), stirring blades (33) and a rotating shaft (34), wherein the rotating shaft (34) is arranged on the rotating frame (31), one end of the rotating shaft is rotatably connected to the side wall of the liquid storage tank (1), the gear ring (32) is arranged on the outer ring of the rotating frame (31), the outer ring of the rotating frame (31) on one side of the gear ring (32) is provided with the stirring blades (33), the stirring blades (33) are circumferentially arranged along the axis of the rotating frame (31), and the two rotating shafts (34) are connected into a whole through a coupler (35);
the lifting mechanism (5) comprises a bottom plate (51), a hydraulic cylinder (52) and a guide post (53), wherein the bottom plate (51) is connected in the liquid storage tank (1) in a sliding mode, the lower end of the bottom plate is connected to the output end of the hydraulic cylinder (52), the guide post (53) is fixed on the bottom surface of the bottom plate (51) and is connected to the bottom of the liquid storage tank (1) in a sliding mode, two power mechanisms (7) are symmetrically installed on the top surface of the bottom plate (51) and specifically comprise two symmetrically-arranged supports (71), a driving gear (72) is connected to the supports (71) in a rotating mode, and one driving gear (72) is connected to the output end of a driving motor (73).
7. The production process of the flame-retardant environment-friendly mixed felt according to claim 1, characterized in that: the flow stabilizing mechanism (4) comprises two flow stabilizing plates (41) which are symmetrically arranged, a plurality of through holes are formed in each flow stabilizing plate (41), U-shaped notches (43) which are matched with the rotating shaft (34) are further formed in each flow stabilizing plate (41), telescopic mechanisms (44) are installed on the front side and the rear side of each flow stabilizing plate (41), each telescopic mechanism (44) is fixed in the liquid storage tank (1) through a transverse plate, each telescopic mechanism (44) comprises a piston cylinder (441), a piston rod (442) and a piston (443), each piston cylinder (441) is installed on each transverse plate, the lower end of each piston rod (442) is connected to the corresponding piston (443) and is slidably connected into the corresponding piston cylinder (441) through the corresponding piston (443), and an air inlet (445) is formed in the lower end of each piston cylinder (441);
the driving mechanism (6) comprises a straight pipe (61), a sliding rod (62), a driving rod (63) and a support plate (64), wherein a transverse air inlet channel (65) and an air exhaust channel (66) are arranged on the straight pipe (61) and are coaxially arranged, the air inlet channel (65) and the air exhaust channel (66) are respectively connected to a drying chamber and an air inlet (445) through connecting pipes, the sliding rod (62) is connected in the straight pipe (61) in a sliding mode, the lower end of the sliding rod is connected to the driving rod (63), the driving rod (63) is installed at one end of the support plate (64), the other end of the support plate (64) is connected to the guide post (53), a connecting hole (67) matched with the air inlet channel (65) is formed in the lower portion of the sliding rod (62), an L-shaped pressure relief hole (68) is formed in the upper portion of the sliding rod (62), and the upper end of the pressure relief hole (68) is communicated with the atmosphere.
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| CN202010770872.1A CN111893641B (en) | 2020-08-04 | 2020-08-04 | Production process of flame-retardant environment-friendly mixed felt |
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| CN202010770872.1A CN111893641B (en) | 2020-08-04 | 2020-08-04 | Production process of flame-retardant environment-friendly mixed felt |
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| JP2002227070A (en) * | 2001-01-31 | 2002-08-14 | Kichinosuke Amimoto | High density composite nonwoven fabric and felt, method for producing the same |
| CN105597427A (en) * | 2015-12-22 | 2016-05-25 | 苏州协泰科技有限公司 | Manufacturing method of non-woven filter felt |
| CN107630291A (en) * | 2017-06-20 | 2018-01-26 | 芜湖利通新材料有限公司 | A kind of production technology of flame-proof environmental protection combination mat |
| CN110364313A (en) * | 2019-06-17 | 2019-10-22 | 河海大学 | A kind of flat enameled wire drying unit |
| CN210765905U (en) * | 2019-10-16 | 2020-06-16 | 常州市宁河新材料科技有限公司 | Padding apparatus for polyester softening agent |
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