CN114134644A - Non-woven fabric with high filtering performance and processing technology thereof - Google Patents

Non-woven fabric with high filtering performance and processing technology thereof Download PDF

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Publication number
CN114134644A
CN114134644A CN202111345586.1A CN202111345586A CN114134644A CN 114134644 A CN114134644 A CN 114134644A CN 202111345586 A CN202111345586 A CN 202111345586A CN 114134644 A CN114134644 A CN 114134644A
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China
Prior art keywords
controller
rod
inner cavity
woven fabric
electrically connected
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Granted
Application number
CN202111345586.1A
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Chinese (zh)
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CN114134644B (en
Inventor
毛逸宁
许秋璐
郑明�
吴凯
陈立
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Changzhou Dingwei Environmental Protection Technology Co ltd
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Changzhou Dingwei Environmental Protection Technology Co ltd
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Publication of CN114134644A publication Critical patent/CN114134644A/en
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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
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/005—Synthetic yarns or filaments
    • D04H3/007—Addition polymers
    • 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
    • B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
    • 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
    • B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
    • 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
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/022—Non-woven fabric
    • 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
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
    • 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
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/02—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments
    • D04H3/05—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments in another pattern, e.g. zig-zag, sinusoidal
    • 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
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
    • D04H3/14—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between thermoplastic yarns or filaments produced by welding
    • 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
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/10—Inorganic fibres
    • B32B2262/101—Glass fibres

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Treatment Of Fiber Materials (AREA)

Abstract

The invention discloses a processing technology of a non-woven fabric with high filtering performance, which comprises the following steps: throw material, melt spinning, air current draft, lapping, hot rolling, glass fiber filter media and non-woven fabrics complex, multilayer pleating and coiling packing to a processing technology of high filtration performance non-woven fabrics is provided, include: the device comprises a feeding machine, a multi-layer folding mechanism, a controller and a pleating mechanism; the multilayer folding mechanism is arranged on the left side of the feeding machine; the controller is arranged on the front side of the multilayer folding mechanism and is electrically connected with the feeding machine; the pleating mechanism is disposed on the left side of the multi-layer folding mechanism. This high filtering performance non-woven fabrics processing technology can use glass fiber and non-woven fabrics combined material preparation filter core, improves the filter core filterability to adopt the multilayer cloth folding, improve filterability and shorten the processing technology flow simultaneously, improve machining efficiency, and pleat moulding automatically, degree of automation is higher.

Description

Non-woven fabric with high filtering performance and processing technology thereof
Technical Field
The invention relates to the technical field of non-woven fabric air conditioner filter elements, in particular to a non-woven fabric with high filtering performance and a processing technology thereof.
Background
When the automobile is running with the air conditioner, the outside air is sucked into the carriage, but the air contains many different particles, such as dust, pollen, soot, abrasive particles, ozone, peculiar smell, nitric oxide, sulfur dioxide, carbon dioxide, benzene, etc., if the air is not filtered by the air conditioner filter, once the particles enter the carriage, the air conditioner of the automobile is polluted, the performance of a cooling system is reduced, the human body has anaphylactic reaction after sucking dust and harmful gas, the lung is damaged, the mood is irritated by the stimulation of the ozone, and the influence of the peculiar smell affects the running safety, the high-quality air filter can absorb the dust particles, the respiratory tract pain is relieved, the stimulation to the allergic person is reduced, the running is more comfortable, the air conditioner cooling system is also protected, the air conditioner filter core mainly adopts Non-Woven fabrics, and the Non-Woven fabrics (British name: Non-Woven Fabric or Non-Woven cloth) are also called Non-Woven fabrics, The needle punched cotton is made of directional or random fiber, and is called as cloth because of its appearance and certain properties, the non-woven fabric is moisture-proof, air-permeable, flexible, light, non-combustion-supporting, easy to decompose, non-toxic, non-irritant, rich in color, low in price, recyclable and the like, for example, it is made of polypropylene (pp) granules through high-temperature melting, spinning, laying, coiling and hot-pressing continuous one-step method, and the glass fiber filter material has the advantages of high filtering precision and large pollutant-containing capacity.
Disclosure of Invention
The invention aims to provide a non-woven fabric with high filtering performance and a processing technology thereof, and the non-woven fabric is used for at least solving the problems that a filter element made of a single non-woven fabric in the prior art is poor in filtering performance, a non-woven fabric filter element is manufactured by adopting a single-layer or multi-layer pressing technology, the single-layer non-woven fabric is poor in filtering performance, the multi-layer non-woven fabric needs to be manually processed by ultrasonic multi-layer pressing welding, the operation is troublesome, and the automation degree is low.
In order to achieve the purpose, the invention provides the following technical scheme: a high-filtering-performance non-woven fabric comprises the following components in parts by weight: 50-60 parts of polypropylene, 30-40 parts of electret master batch, 15-20 parts of high-molecular electret and 3-5 parts of toughening agent.
A processing technology of a non-woven fabric with high filtering performance comprises the following steps:
step 1, feeding the components according to the parts by weight, filtering the raw materials in the feeding process, ensuring that no metal and other hard substances can be contained in the raw materials, no water can be contained in the raw materials, and ensuring the cleanliness of the raw materials;
step 2, melt spinning, melting the solid slices into a melt, extruding the melt by using a screw extruder, (temperature judgment, judging temperature according to the melt index of the slices, wherein the melt index range of the slices required by the non-woven fabric spinning is 15-45 g/10min, and a molecular weight regulator is required to be added between 15-25 g/10 min), filtering the spinning solution while extruding (the pressure after filtering and the pressure difference before filtering are about 5MPA, the filter needs to be replaced, filling the filter to be replaced with slurry when replacing the filter, exhausting through an exhaust hole, grasping the switching speed, avoiding shutdown due to pressure loss), accurately metering the flow of the spinning solution by using a gear type metering pump after filtering (so as to ensure that the spinning solution is uniformly and continuously conveyed and generate certain working pressure to enable the spinning solution to smoothly pass through a spinneret plate), pumping the melt into a spinneret plate in a spinning box body, (ensuring that the melt is uniform in pressure and uniform in flow, the melt reaches the spinneret plate, the aperture of the spinneret plate is 0.45mm, and the pressure in the spinneret plate hole is ensured), and filtering and cooling;
step 3, air flow drafting, wherein the air temperature is controlled to be 15-20 ℃, the air pressure is ensured to be stable, air is uniformly discharged from each point of the air net, a hexagonal 4mm honeycomb plate structure is adopted, and an 80-plain woven net is adopted as an air net surface net;
step 4, lapping, namely stabilizing the fiber web by adopting a hot-pressing roller, wherein the surface temperature of the hot-pressing roller is uneven when the hot-pressing roller electrically heats, the middle of the hot-pressing roller is higher than two sides of the hot-pressing roller, and the surface temperature is 80-140 ℃;
step 5, hot rolling, namely reinforcing the fiber net into non-woven fabric by adopting a hot press (the hot rolling pressure is 3-7 MPA, and the hot rolling temperature is 135-155 ℃;
step 6, compounding the glass fiber filter material and the non-woven fabric by adopting a glue-free compounding process, namely directly laminating the non-woven fabric (layers on the upstream and downstream) and the glass fiber filter material and then performing hot press molding;
7, performing multilayer pleating, and performing multilayer pleating and edge sealing on the formed glass fiber filter material and the non-woven fabric cloth by using non-woven fabric processing equipment;
and 8, winding and packaging.
Preferably, the nonwoven fabric processing apparatus according to step 7, comprising: the device comprises a feeding machine, a multi-layer folding mechanism, a controller and a pleating mechanism; the multilayer folding mechanism is arranged on the left side of the feeding machine; the controller is arranged on the front side of the multilayer folding mechanism and is electrically connected with the feeding machine; the pleating mechanism is disposed on the left side of the multi-layer folding mechanism.
Preferably, the multi-layer folding mechanism includes: the device comprises a multi-layer folding mechanism shell, a hot press, a transfer conveyer belt, a connecting conveyer belt, a pusher and a folding assembly; the multilayer folding mechanism shell is arranged on the right side of the upper layer of the inner cavity of the multilayer folding mechanism shell along the left-right direction, and the right opening of the inner cavity of the multilayer folding mechanism shell is communicated with a discharge hole of a feeding machine; the hot press is arranged at the bottom end of the inner cavity of the shell of the multilayer folding mechanism along the left-right direction and is electrically connected with the controller; the transfer conveyor belt is arranged on the left side of the hot press along the front-back direction and is electrically connected with the controller; the connecting conveying belt is arranged at the front end of the left side of the transferring conveying belt in the left-right direction, the outer wall of the shell of the multi-layer folding mechanism extends out of the left side of the connecting conveying belt, and the connecting conveying belt is electrically connected with the controller; the pusher is arranged at the front end of the right side of the top end of the transfer conveyer belt and is electrically connected with the controller; the folding assembly is arranged at the right end of the outer side of the hot press.
Preferably, the folding assembly comprises; the device comprises a bracket, a mounting seat, a guide roller, a rotating shaft, a guide plate, a gear, a slide rail, a rack block and a first electric push rod; the number of the brackets is two, and the two brackets are respectively arranged at the left end and the right end of the outer side of the hot press; the number of the mounting seats is two, and the two mounting seats are respectively arranged at the top ends of the left bracket and the right bracket; the number of the guide rollers is two, and the two guide rollers rotate on the inner sides of the top ends of the left and right mounting seats through pin shafts; the number of the rotating shafts is two, and the two rotating shafts rotate at the top ends of the left mounting seat and the right mounting seat through pin shafts and are positioned on the outer sides of the guide rollers; the number of the guide plates is two, and the two guide plates are arranged on the outer sides of the left rotating shaft and the right rotating shaft; the number of the gears is two, and the two gears are respectively connected to the outer sides of the axes of the left rotating shaft and the right rotating shaft in a key mode; the number of the slide rails is two, and the two slide rails are arranged on the outer side of the mounting seat along the left-right direction respectively; the number of the rack blocks is two, the two rack blocks are respectively inserted into the inner sides of the two sliding rails, and the rack blocks are meshed with the gears; the number of the first electric push rods is two, the two first electric push rods are respectively arranged on the outer sides of the two mounting seats, the telescopic ends of the first electric push rods are fixedly connected with the outer sides of the rack blocks, and the first electric push rods are electrically connected with the controller; wherein, the left bracket and the right bracket are arranged in a vertically staggered manner.
Preferably, the folding assembly further comprises; the device comprises a guide rail, a mounting plate, a second electric push rod, a connecting rod, a rotating rod, a mounting frame, a limiting roller, a pressing roller and a conveying cutter; the number of the guide rails is two, the number of the guide rails in each group is two, and the two groups of guide rails are respectively arranged on the front side and the rear side of the lower layer of the inner cavity of the shell of the multilayer folding mechanism; the number of the mounting plates is two, and the two mounting plates are respectively sleeved on the outer sides of the two groups of guide rails; the number of the second electric push rods is two, the two second electric push rods are respectively arranged on the left side and the right side of the lower layer of the inner cavity of the shell of the multilayer folding mechanism, the telescopic end of each second electric push rod is fixedly connected with the inner side of the front side mounting plate, and the second electric push rods are electrically connected with the controller; the number of the connecting rods is two, and one ends of the two connecting rods are respectively and rotatably connected to the top ends of the front mounting plate and the rear mounting plate through pin shafts; the rotating rod is rotatably connected to the center of the bottom end of the inner cavity of the shell of the multilayer folding mechanism through a pin shaft, and two ends of the rotating rod are rotatably connected with the other ends of the front connecting rod and the rear connecting rod through pin shafts; the number of the mounting frames is two, the two mounting frames are respectively arranged at the top ends of the front mounting plate and the rear mounting plate, and the top ends of the mounting frames extend into the upper layer of the inner cavity of the shell of the multilayer folding mechanism; the number of the limiting rollers is two, the number of each group of limiting rollers is two, the two groups of limiting rollers are respectively arranged on the left side and the right side of the top ends of the front mounting frame and the rear mounting frame, and the number of each limiting roller is three layers from top to bottom; the number of the compression rollers is two, the two compression rollers are respectively arranged at the top center positions of the front mounting frame and the rear mounting frame, and the number of each compression roller is three layers from top to bottom; the conveying clipper is arranged below the bracket on the right side and is electrically connected with the controller; the left side bracket is positioned at the corresponding position of the lower limiting roller and the pressing roller, and the right side bracket is positioned at the corresponding position of the middle limiting roller and the pressing roller.
Preferably, the pleating mechanism comprises; the automatic edge sealing machine comprises a pleating mechanism shell, a carrying and conveying line, a mounting groove, an edge sealing machine, a lifter, a shell, a shaping assembly, an ejection assembly, a discharging conveying belt and a blocking detector; the pleating mechanism shell is arranged on the left side of the multi-layer folding mechanism shell along the front-back direction, and the left side of the connecting conveying belt extends into an inner cavity of the pleating mechanism shell; the conveying line is arranged at the bottom end of the inner cavity of the housing of the pleating mechanism in the front-back direction and is electrically connected with the controller; the mounting groove is formed in the bottom end of the inner cavity of the housing of the pleating mechanism and is positioned in the middle of the mounting groove; the edge bonding machine is arranged at the front end of the outer side of the carrying and conveying line and is electrically connected with the controller; the number of the lifters is two, the two lifters are respectively arranged on the upper side and the lower side of the inner cavity of the mounting groove, and the lifters are electrically connected with the controller; the number of the shells is two, and the two shells are respectively provided with an upper moving end and a lower moving end which are arranged on the lifter; the number of the shaping assemblies is two, the number of the shaping assemblies in each group is several, the shaping assemblies are respectively arranged in the inner cavities of the upper shell and the lower shell, and the upper shaping assembly and the lower shaping assembly are arranged in a staggered manner; the number of the ejection assemblies is two, the number of each ejection assembly is several, the plurality of the shaping assemblies are respectively arranged in the inner cavities of the upper shell and the lower shell, and the ejection assemblies are arranged at the gap positions of the two adjacent shaping assemblies; the discharging conveying belt is arranged on the front side of the pleating mechanism shell along the front-back direction, the back side of the discharging conveying belt extends into an inner cavity of the pleating mechanism shell and is in butt joint with the front side of the conveying line, and the discharging conveying belt is electrically connected with the controller; the blocking detection machine is arranged on the rear side of the top end of the discharging conveying belt and electrically connected with the controller.
Preferably, the shaping component comprises; the ultrasonic welding device comprises a fixed seat, a rotating rod, a through hole, an ultrasonic welding plate, a third electric push rod, a moving seat and a first connecting rod; the fixed seat is fixedly arranged in the inner cavity of the shell; the number of the rotating rods is two, and the two rotating rods are respectively and rotatably connected to the front side and the rear side of the fixed seat through pin shafts; the number of the through holes is two, and the two through holes are respectively formed in the top ends of the inner sides of the front rotating rod and the rear rotating rod; the number of the ultrasonic welding plates is two, the two ultrasonic welding plates are respectively arranged on the inner sides of the front rotating rod and the rear rotating rod, and the ultrasonic welding plates are electrically connected with the controller; the third electric push rod is arranged in the inner cavity of the shell and is positioned below the fixed seat, and the third electric push rod is electrically connected with the controller; the movable seat is arranged at the telescopic end of the third electric push rod; the number of the first connecting rods is two, one ends of the two first connecting rods are respectively connected to the front side and the rear side of the top end of the movable seat in a rotating mode through pin shafts, and the other ends of the two first connecting rods are respectively connected with the inner cavities of the front through hole and the rear through hole in a rotating mode through pin shafts.
Preferably, the ejection assembly comprises; the device comprises a sleeve, a moving rod, a top rod, an insert rod, a base, a top seat, a first limiting rod, a second limiting rod, a servo motor, an eccentric wheel and a second connecting rod; the sleeve is arranged in the inner cavity of the shell through a bracket; the movable rod is inserted at the top end of the inner cavity of the sleeve; the ejector rod is arranged at the top end of the movable rod along the left-right direction; the inserted bar is inserted below the inner cavity of the sleeve, and the top end of the inserted bar is fixedly connected with the bottom end of the movable bar; the base is arranged below the sleeve; the top seat is arranged at the bottom end of the sleeve, and the inserted rod penetrates through the inner cavity of the top seat; the number of the first limiting rods is two, and one ends of the two first limiting rods are rotatably connected to the left side and the right side of the top seat through pin shafts; the number of the second limiting rods is two, one ends of the two second limiting rods are rotatably connected to the left side and the right side of the base through pin shafts, and the other ends of the two second limiting rods are rotatably connected with the other ends of the left first limiting rod and the right first limiting rod through pin shafts respectively; the servo motor is arranged in the inner cavity of the shell and positioned below the base, and the servo motor is electrically connected with the controller; the eccentric wheel screw is connected with the output end of the servo motor; one end of a second connecting rod is rotatably connected to the outer end of the front side of the eccentric wheel through a pin shaft, and the other end of the second connecting rod is rotatably connected with the inner side of the base through a pin shaft.
Compared with the prior art, the invention has the beneficial effects that: the processing technology of the non-woven fabric with high filtering performance comprises the following steps:
1. feeding, melt spinning, air flow drafting, lapping, hot rolling, compounding the glass fiber filter material and the non-woven fabric, multi-layer pleating, winding and packaging;
2. the cloth is input into the conveying cutter through the feeding machine, the conveying cutter conveys the cloth to the top end of the left bracket along the lower limiting roller and the pressing roller and moves to the surface of the guide plate under the guide of the left guiding roller, the first electric push rod pushes the rack block to move outwards through self extension, the gear drives the guiding roller to drive the guide plate to rotate inwards under the action of the rack block, the cloth further enters the middle limiting roller and the pressing roller along the left guiding plate and moves to the corresponding position of the right guiding plate along the middle limiting roller and the pressing roller and passes through the upper limiting roller and the pressing roller along the right guiding plate to realize multi-section folding, the second electric push rod pushes the mounting plate on the corresponding position to move outwards through self extension, the mounting plate drives the connecting rod on the corresponding position to drive the rotating rod to rotate, the rear connecting rod drives the rear mounting plate to move outwards under the action of the rotating rod rotating force, the mounting plate drives the limiting rollers and the pressing rollers at the corresponding positions to move outwards under the cooperation of the mounting frame, so that the folded cloth falls onto the surface of the hot press;
3. one end of a second connecting rod is driven to move inwards by an eccentric wheel, so that the second connecting rod drives a base to move inwards, the base drives a second limiting rod to rotate outwards by taking a rotating joint with a base pin shaft as an outward rotating joint, a first limiting rod rotates outwards by taking a rotating joint with a top seat pin shaft as a vertex, further under the limiting action of the first limiting rod and the second limiting rod, a base driving inserted rod pushes a moving rod to move inwards in a sleeve inner cavity, so that an upper group of ejector rods and a lower group of ejector rods move inwards synchronously to jack up folded cloth to form wavy folds, a third electric push rod drives a moving seat on a corresponding position to move outwards by self shortening, further the moving seat drives a first connecting rod to move inwards, so that the rotating rod is driven under the matching of a through hole to enable two ultrasonic welding plates to move inwards to press and shape the top rod jacking position, the conveying line moves the pleated cloth to a position corresponding to the edge bonding machine so as to enable the edge bonding machine to carry out edge bonding operation, and the non-woven fabric filter element after edge bonding is moved to the position below the obstruction detection machine to carry out appearance detection and then is moved by the discharging conveying belt to discharge;
thereby can use glass fiber and non-woven fabrics combined material preparation filter core, improve the filter core filterability to adopt the multilayer cloth folding, improve filterability and shorten the processing technology flow simultaneously, improve machining efficiency, and pleat moulding automatically, degree of automation is higher.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an exploded view of the multi-layer folding mechanism of FIG. 1;
FIG. 3 is an exploded view of the folding assembly of FIG. 2;
FIG. 4 is an exploded view of the pleating mechanism of FIG. 1;
FIG. 5 is a right side cross-sectional view of the shaping assembly of FIG. 4;
FIG. 6 is a front cross-sectional view of the multi-layer folding mechanism of FIG. 4;
fig. 7 is a schematic view of the eccentric of fig. 6.
In the figure: 1. a feeding machine, 2, a multi-layer folding mechanism, 21, a multi-layer folding mechanism shell, 22, a hot press, 23, a transfer conveyer belt, 24, a connecting conveyer belt, 25, a material pusher, 3, a controller, 4, a folding component, 41, a bracket, 42, a mounting seat, 43, a guide roller, 44, a rotating shaft, 45, a guide plate, 46, a gear, 47, a sliding rail, 48, a rack block, 49, a first electric push rod, 410, a guide rail, 411, a mounting plate, 412, a second electric push rod, 413, a connecting rod, 414, a rotating rod, 416, a mounting frame, 417, a limiting roller, 418, a pressing roller, 419, a conveying cutter, 5, a pleating mechanism, 51, a pleating mechanism shell, 52, a conveying line, 53, a mounting groove, 54, an edge banding machine, 55, a lifter, 56, a shell, 57, a discharging conveyer belt, 58, a blocking rotating rod detector, 6, a shaping component, 61, a fixing seat, 62, 63. through hole, 64, ultrasonic bonding board, 65, third electric push rod, 66, shifting seat, 67, first connecting rod, 7, ejection assembly, 71, sleeve, 72, shifting rod, 73, ejector rod, 74, inserted link, 75, base, 76, top seat, 77, first gag lever post, 78, second gag lever post, 79, servo motor, 710, eccentric wheel, 711, second connecting rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, the present invention provides a technical solution: a processing technology of non-woven fabric with high filtering performance comprises the following steps:
step 1, preparing raw materials: 50-60 parts of polypropylene, 30-40 parts of electret master batch, 15-20 parts of high-molecular electret and 3-5 parts of toughening agent, wherein the components are fed according to the parts by weight, the raw materials are filtered in the feeding process, the situation that no hard substances such as metal and the like exist in the raw materials, no water exists in the raw materials, the cleanliness is guaranteed, and the precision and the automation are improved by adopting a weighing type injection machine;
step 2, melt spinning, melting the solid slices into a melt, extruding the melt by using a screw extruder, (temperature judgment, judging temperature according to the melt index of the slices, wherein the melt index range of the slices required by the non-woven fabric spinning is 15-45 g/10min, and a molecular weight regulator is required to be added between 15-25 g/10 min), filtering the spinning solution while extruding (the pressure after filtering and the pressure difference before filtering are about 5MPA, the filter needs to be replaced, filling the filter to be replaced with slurry when replacing the filter, exhausting through an exhaust hole, grasping the switching speed, avoiding shutdown due to pressure loss), accurately metering the flow of the spinning solution by using a gear type metering pump after filtering (so as to ensure that the spinning solution is uniformly and continuously conveyed and generate certain working pressure to enable the spinning solution to smoothly pass through a spinneret plate), pumping the melt into a spinneret plate in a spinning box body, (ensuring that the melt is uniform in pressure and uniform in flow, the melt reaches the spinneret plate, the aperture of the spinneret plate is 0.45mm, and the pressure in the spinneret plate hole is ensured), and filtering and cooling;
step 3, air flow drafting, wherein the air temperature is controlled to be 15-20 ℃, the air pressure is ensured to be stable, air is uniformly discharged from each point of the air net, a hexagonal 4mm honeycomb plate structure is adopted, and an 80-plain woven net is adopted as an air net surface net;
step 4, lapping, namely stabilizing the fiber web by adopting a hot-pressing roller, wherein the surface temperature of the hot-pressing roller is uneven when the hot-pressing roller electrically heats, the middle of the hot-pressing roller is higher than two sides of the hot-pressing roller, and the surface temperature is 80-140 ℃;
step 5, hot rolling, namely reinforcing the fiber net into non-woven fabric by adopting a hot press (the hot rolling pressure is 3-7 MPA, and the hot rolling temperature is 135-155 ℃;
step 6, compounding the glass fiber filter material and the non-woven fabric by adopting a glue-free compounding process, namely directly laminating the non-woven fabric (layers on the upstream and downstream) and the glass fiber filter material and then performing hot press molding;
7, performing multilayer pleating, and performing multilayer pleating and edge sealing on the formed glass fiber filter material and the non-woven fabric cloth by using non-woven fabric processing equipment;
and 8, winding and packaging.
Preferably, the nonwoven fabric processing apparatus further comprises: the cloth feeding device comprises a feeding machine 1, a multi-layer folding mechanism 2, a controller 3 and a pleating mechanism 5, wherein the feeding machine 1 is directly purchased, installed and used from the market according to the actual use requirement, and the feeding machine 1 can be controlled by the controller 3 to input cloth into the inner cavity of a shell 21 of the multi-layer folding mechanism; the multilayer folding mechanism 2 is arranged on the left side of the feeding machine 1; the controller 3 is installed on the front side of the multilayer folding mechanism 2, the controller 3 is electrically connected with the feeding machine 1, and the specific use model of the controller 3 is directly purchased, installed and used from the market according to the actual use requirement; the pleating mechanism 5 is provided on the left side of the multi-layer folding mechanism 2.
Preferably, the multi-layer folding mechanism 2 further includes: the device comprises a multi-layer folding mechanism shell 21, a hot press 22, a transfer conveyer belt 23, a connecting conveyer belt 24, a pusher 25 and a folding assembly 4; the multilayer folding mechanism shell 21 is arranged on the right side of the upper layer of the inner cavity of the multilayer folding mechanism shell 21 along the left-right direction, and the right opening of the inner cavity of the multilayer folding mechanism shell 21 is communicated with the discharge hole of the feeding machine 1; the hot press 22 is arranged at the bottom end of the inner cavity of the multilayer folding mechanism shell 21 along the left-right direction, the hot press 22 is electrically connected with the controller 3, the hot press 22 is directly purchased, installed and used from the market according to the actual use requirement, and the hot press 22 can be controlled by the controller 3 to carry out hot press shaping on the folded cloth; the transfer conveyer belt 23 is arranged on the left side of the hot press 22 along the front-back direction, the transfer conveyer belt 23 is electrically connected with the controller 3, the type of the transfer conveyer belt 23 is directly purchased, installed and used from the market according to the actual use requirement, and the transfer conveyer belt 23 can be controlled by the controller 3 to convey the folded cloth from back to front; the connecting conveyer belt 24 is arranged at the front end of the left side of the transferring conveyer belt 23 in the left-right direction, the left side of the connecting conveyer belt 24 extends out of the outer wall of the shell 21 of the multilayer folding mechanism, the connecting conveyer belt 24 is electrically connected with the controller 3, the specific usage model of the connecting conveyer belt 24 is directly purchased, installed and used from the market according to the actual usage requirement, and the connecting conveyer belt 24 can be controlled by the controller 3 to convey the folded cloth into the conveying conveyer line 52; the pusher 25 is arranged at the front end of the right side of the top end of the transfer conveyer belt 23, the pusher 25 is electrically connected with the controller 3, the pusher 25 is directly purchased from the market and used according to the actual use requirement, and the pusher 25 can be controlled by the controller 3 to push the folded cloth on the surface of the transfer conveyer belt 23 to the surface of the connecting conveyer belt 24; the folding assembly 4 is arranged at the right outer end of the hot press 22.
Preferably, further, the folding assembly 4 comprises; the device comprises a bracket 41, a mounting seat 42, a guide roller 43, a rotating shaft 44, a guide plate 45, a gear 46, a sliding rail 47, a rack block 48, a first electric push rod 49, a guide rail 410, a mounting plate 411, a second electric push rod 412, a connecting rod 413, a rotating rod 414, a mounting frame 416, a limiting roller 417, a pressing roller 418 and a conveying cutter 419; the number of the brackets 41 is two, and the two brackets 41 are respectively arranged at the left end and the right end of the outer side of the hot press 22; the number of the mounting seats 42 is two, and the two mounting seats 42 are respectively arranged at the top ends of the left bracket 41 and the right bracket 41; the number of the guide rollers 43 is two, and the two guide rollers 43 rotate at the inner sides of the top ends of the left and right mounting seats 42 through pin shafts; the number of the rotating shafts 44 is two, and the two rotating shafts 44 rotate at the top ends of the left and right mounting seats 42 through pin shafts and are positioned at the outer sides of the guide rollers 43; the number of the guide plates 45 is two, and the two guide plates 45 are arranged at the outer sides of the left rotating shaft 44 and the right rotating shaft 44; the number of the gears 46 is two, and the two gears 46 are respectively connected to the outer sides of the axes of the left rotating shaft 44 and the right rotating shaft 44 in a key mode; the number of the slide rails 47 is two, the two slide rails 47 are respectively arranged on the outer side of the mounting seat 42 along the left-right direction, and the rack block 48 can move left and right in the inner cavity of the slide rails 47; the number of the rack blocks 48 is two, the two rack blocks 48 are respectively inserted into the inner sides of the two slide rails 47, and the rack blocks 48 are meshed with the gear 46; the number of the first electric push rods 49 is two, the two first electric push rods 49 are respectively arranged at the outer sides of the two mounting seats 42, the telescopic ends of the first electric push rods 49 are fixedly connected with the outer side of the rack block 48, the first electric push rods 49 are electrically connected with the controller 3, the specific use model of the first electric push rods 49 is directly purchased, installed and used from the market according to the actual use requirement, and the first electric push rods 49 can be controlled by the controller 3 to be lengthened and shortened; wherein, the left bracket 41 and the right bracket 41 are arranged in a vertically staggered manner; the number of the guide rails 410 is two, the number of each group of guide rails 410 is two, and the two groups of guide rails 410 are respectively arranged on the front side and the rear side of the lower layer of the inner cavity of the multi-layer folding mechanism shell 21; the number of the mounting plates 411 is two, and the two mounting plates 411 are respectively sleeved on the outer sides of the two groups of guide rails 410; the number of the second electric push rods 412 is two, the two second electric push rods 412 are respectively arranged on the left side and the right side of the lower layer of the inner cavity of the multi-layer folding mechanism shell 21, the telescopic ends of the second electric push rods 412 are fixedly connected with the inner side of the front side mounting plate 411, the second electric push rods 412 are electrically connected with the controller 3, the specific usage models of the second electric push rods 412 are directly purchased, installed and used from the market according to actual usage requirements, and the second electric push rods 412 can be controlled by the controller 3 to extend and shorten; the number of the connecting rods 413 is two, and one ends of the two connecting rods 413 are respectively and rotatably connected to the top ends of the front mounting plate 411 and the rear mounting plate 411 through pin shafts; the rotating rod 414 is rotatably connected to the center of the bottom end of the inner cavity of the multi-layer folding mechanism shell 21 through a pin shaft, and two ends of the rotating rod 414 are rotatably connected with the other ends of the front and rear connecting rods 413 through pin shafts; the number of the mounting frames 416 is two, the two mounting frames 416 are respectively arranged at the top ends of the front and rear mounting plates 411, and the top ends of the mounting frames 416 extend into the upper layer of the inner cavity of the multi-layer folding mechanism shell 21; the number of the limiting rollers 417 is two, the number of each group of limiting rollers 417 is two, the two groups of limiting rollers 417 are respectively arranged at the left side and the right side of the top ends of the front mounting frame 416 and the rear mounting frame 416, and the number of each limiting roller 417 is three layers, namely an upper layer, a middle layer and a lower layer; the number of the pressing rollers 418 is two, the two pressing rollers 418 are respectively arranged at the top center positions of the front mounting frame 416 and the rear mounting frame 416, and the number of each pressing roller 418 is three layers, namely an upper layer, a middle layer and a lower layer; the conveying cutter 419 is arranged below the right bracket 41, the conveying cutter 419 is electrically connected with the controller 3, the specific use model of the conveying cutter 419 is directly purchased and installed from the market and used according to actual use requirements, and the controller 3 can control the conveying cutter 419 to convey the cloth along the lower limiting roller 417 and the pressing roller 418 and cut the cloth; wherein, the left bracket 41 is located at the position corresponding to the lower limiting roller 417 and the pressure roller 418, and the right bracket 41 is located at the position corresponding to the middle limiting roller 417 and the pressure roller 418.
Preferably, further, the pleating mechanism 5 comprises; a pleating mechanism shell 51, a conveying line 52, a mounting groove 53, an edge bonding machine 54, a lifter 55, a shell 56, a shaping assembly 6, an ejection assembly 7, a discharging conveying belt 57 and a blocking detector 58; the pleating mechanism housing 51 is arranged on the left side of the multi-layer folding mechanism housing 21 in the front-rear direction, and the left side of the connecting conveyor belt 24 extends into the inner cavity of the pleating mechanism housing 51; the conveying line 52 is arranged at the bottom end of the inner cavity of the pleating mechanism shell 51 in the front-back direction, the conveying line 52 is electrically connected with the controller 3, the type of the conveying line 52 is directly purchased, installed and used from the market according to actual use requirements, the conveying line 52 can be controlled by the controller 3 to convey from back to front, and the conveying line 52 is a belt type conveying line on the left side and the right side; the mounting groove 53 is arranged at the bottom end of the inner cavity of the pleating mechanism shell 51 and is positioned in the middle of the mounting groove 53; the edge bonding machine 54 is installed at the front end of the outer side of the conveying line 52, the edge bonding machine 54 is electrically connected with the controller 3, the edge bonding machine 54 is specifically purchased and installed and used from the market according to actual use requirements, and the controller 3 can control the edge bonding machine 54 to perform peripheral edge bonding on pleated cloth; the number of the lifters 55 is two, the two lifters 55 are respectively arranged on the upper side and the lower side of the inner cavity of the mounting groove 53, the lifters 55 are electrically connected with the controller 3, the lifters 55 are specifically purchased and installed and used from the market according to actual use requirements, and the lifters 55 can be controlled by the controller 3 to extend and shorten; the number of the shells 56 is two, the two shells 56 are respectively provided with an upper moving end and a lower moving end which are arranged at the lifter 55, and the inner sides of the upper shell 56 and the lower shell 56 can extrude cloth to be fixed; the number of the shaping assemblies 6 is two, the number of each shaping assembly 6 is several, the shaping assemblies 6 are respectively arranged in the inner cavities of the upper shell 56 and the lower shell 56, and the upper shaping assembly 6 and the lower shaping assembly 6 are arranged in a staggered manner; the number of the ejection assemblies 7 is two, the number of each ejection assembly 7 is several, the plurality of shaping assemblies 6 are respectively arranged in the inner cavities of the upper and lower shells 56, and the ejection assemblies 7 are arranged at the gap positions of the two adjacent shaping assemblies 6; the discharging conveyer belt 57 is arranged at the front side of the pleating mechanism shell 51 along the front-back direction, the rear side of the discharging conveyer belt 57 extends into the inner cavity of the pleating mechanism shell 51 and is butted with the front side of the carrying conveying line 52, the discharging conveyer belt 57 is electrically connected with the controller 3, the discharging conveyer belt 57 is directly purchased, installed and used from the market according to actual use requirements, and the discharging conveyer belt 57 can be controlled by the controller 3 to realize moving discharging; the blocking detection machine 58 is arranged on the rear side of the top end of the discharging conveying belt 57, the blocking detection machine 58 is electrically connected with the controller 3, the specific usage model of the blocking detection machine 58 is directly purchased, installed and used from the market according to the actual usage requirement, and the blocking detection machine 58 can be controlled by the controller 3 to block the pleated and edge-sealed filter element product and detect the appearance of the pleated and edge-sealed filter element product.
Preferably, further, the shaping component 6 comprises; the device comprises a fixed seat 61, a rotating rod 62, a through hole 63, an ultrasonic welding plate 64, a third electric push rod 65, a moving seat 66 and a first connecting rod 67; the fixed seat 61 is fixedly arranged in the inner cavity of the shell 56; the number of the rotating rods 62 is two, and the two rotating rods 62 are respectively and rotatably connected to the front side and the rear side of the fixed seat 61 through pin shafts; the number of the through holes 63 is two, and the two through holes 63 are respectively formed at the top ends of the inner sides of the front rotating rod 62 and the rear rotating rod 62; the number of the ultrasonic welding plates 64 is two, the two ultrasonic welding plates 64 are respectively arranged on the inner sides of the front rotating rod 62 and the rear rotating rod 62, the ultrasonic welding plates 64 are electrically connected with the controller 3, the specific use model of the ultrasonic welding plates 64 is directly purchased, installed and used from the market according to actual use requirements, and the ultrasonic welding plates 64 can be controlled by the controller 3 to perform ultrasonic welding and shaping on the top end of a fold; the third electric push rod 65 is arranged in the inner cavity of the shell 56 and is positioned below the fixed seat 61, the third electric push rod 65 is electrically connected with the controller 3, the specific usage model of the third electric push rod 65 is directly purchased, installed and used from the market according to the actual usage requirement, and the third electric push rod 65 can be controlled by the controller 3 to extend and shorten; the movable seat 66 is arranged at the telescopic end of the third electric push rod 65; the number of the first connecting rods 67 is two, one ends of the two first connecting rods 67 are rotatably connected to the front side and the rear side of the top end of the movable seat 66 through pin shafts respectively, and the other ends of the two first connecting rods 67 are rotatably connected with the inner cavities of the front through hole 63 and the rear through hole 63 through pin shafts respectively.
Preferably, the ejection assembly 7 further comprises; the device comprises a sleeve 71, a moving rod 72, a top rod 73, an inserting rod 74, a base 75, a top seat 76, a first limiting rod 77, a second limiting rod 78, a servo motor 79, an eccentric wheel 710 and a second connecting rod 711; the sleeve 71 is mounted in the inner cavity of the housing 56 through a bracket; the movable rod 72 is inserted at the top end of the inner cavity of the sleeve 71, and the movable rod 72 can move up and down in the inner cavity of the sleeve 71; the top rod 73 is installed at the top end of the moving rod 72 in the left-right direction; the insertion rod 74 is inserted below the inner cavity of the sleeve 71, and the top end of the insertion rod 74 is fixedly connected with the bottom end of the movable rod 72; the base 75 is disposed below the sleeve 71; the top seat 76 is arranged at the bottom end of the sleeve 71, and the inserted rod 74 penetrates through the inner cavity of the top seat 76; the number of the first limiting rods 77 is two, and one ends of the two first limiting rods 77 are rotatably connected to the left side and the right side of the top seat 76 through pin shafts; the number of the second limiting rods 78 is two, one end of each of the two second limiting rods 78 is rotatably connected to the left side and the right side of the base 75 through a pin shaft, and the other end of each of the two second limiting rods 78 is rotatably connected to the other end of each of the left first limiting rod 77 and the right first limiting rod 77 through a pin shaft; the servo motor 79 is arranged in the inner cavity of the shell 56 and is positioned below the base 75, the servo motor 79 is electrically connected with the controller 3, the specific usage model of the servo motor 79 is directly purchased, installed and used from the market according to the actual usage requirement, and the servo motor 79 can be controlled by the controller 3 to drive the eccentric wheel 710 to eccentrically rotate; the eccentric wheel 710 is connected with the output end of the servo motor 79 through a screw; one end of the second connecting rod 711 is rotatably connected to the outer end of the front side of the eccentric wheel 710 through a pin, the other end of the second connecting rod 711 is rotatably connected to the inner side of the base 75 through a pin, and the eccentric wheel 710 can drive the bottom end of the second connecting rod 711 to move circumferentially.
All the electric parts in the scheme can be connected with an external adaptive power supply through a lead, and an adaptive external controller is selected to be connected according to specific actual use conditions so as to meet the control requirements of all the electric parts.
Step 1: a worker installs the glass fiber filter material and non-woven fabric composite material cloth in a feeding machine 1, the feeding machine 1 inputs the cloth into an inner cavity of a multi-layer folding mechanism shell 21 and enters a conveying cutter 419 in a folding assembly 4, the conveying cutter 419 conveys the cloth to the top end of a left bracket 41 along a lower limiting roller 417 and a pressing roller 418 and moves to the surface of a guide plate 45 under the guide of a left guide roller 43, the worker controls a controller 3 to start a first electric push rod 49 on corresponding positions of the left side and the right side, the first electric push rod 49 pushes a rack block 48 to move outwards through self extension, a gear 46 drives the guide roller 43 to drive the guide plate 45 to rotate inwards under the action of the rack block 48, the cloth enters a middle limiting roller 417 and the pressing roller 418 along the left guide plate 45 and moves to a position corresponding to the right guide plate 45 along the middle limiting roller 417 and the pressing roller 418, the second electric push rod 412 pushes the mounting plate 411 at the corresponding position to move outwards through self extension, so that the mounting plate 411 drives the connecting rod 413 at the corresponding position to drive the rotating rod 414 to rotate, so that the rear connecting rod 413 drives the rear mounting plate 411 to move outwards under the rotating force of the rotating rod 414, the mounting plate 411 drives the limiting roller 417 and the pressing roller 418 at the corresponding position to move outwards under the cooperation of the mounting frame 416 so as to enable the folded cloth to fall onto the surface of the hot press 22, and the hot press 22 carries the folded cloth to the surface of the transfer conveyer belt 23 after hot press forming, the folded cloth is conveyed from back to front by the transfer conveyer belt 23, the pusher 25 pushes the folded cloth to the surface of the connecting conveyer belt 24, and the connecting conveyer belt 24 conveys the folded cloth into the conveying conveyer belt 52;
step 2: the operator controls the controller 3 to start the carrying conveying line 52, the lifters 55, the servo motors 79, the moving seat 66 and the ultrasonic welding plate 64 in sequence, the carrying conveying line 52 conveys the folded cloth from front to back, the upper lifter 55 and the lower lifter 55 push the shell 56 at corresponding positions to press the folded cloth and move the shaping assembly 6 and the ejection assembly 7 to corresponding positions through self extension, the servo motors 79 in the upper ejection assembly 7 and the lower ejection assembly 7 drive the eccentric wheel 710 to rotate, so that the eccentric wheel 710 drives one end of the second connecting rod 711 to move inwards, the second connecting rod 711 drives the base 75 to move inwards, the base 75 drives the second limiting rod 78 to rotate outwards at the pin roll connecting position with the base 75, the first limiting rod 77 rotates outwards at the pin roll connecting position with the ejection seat 76 as a vertex, and under the limiting action of the first limiting rod 77 and the second limiting rod 78, the base 75 drives the insert rod 74 to push the moving rod 72 to move inwards in the inner cavity of the sleeve 71, so that the upper and lower groups of ejector rods 73 synchronously move inwards to jack up the folded cloth to form wave-shaped folds, the third electric push rod 65 drives the moving seat 66 at the corresponding position to move outwards through self-shortening, and then the moving seat 66 drives the first connecting rod 67 to move inward, so that the 678 drives the rotating rod 62 under the cooperation of the through hole 63 to move the two ultrasonic welding plates 64 inward to press and shape the top of the top rod 73, the operator controls the controller 3 to start the edge bonding machine 54, the blocking detector 58 and the discharging conveyer belt 57, the transporting conveyer line 52 moves the pleated cloth to the position corresponding to the edge bonding machine 54, so that the edge bonding machine 54 performs edge bonding operation, and the non-woven fabric filter element after edge bonding is moved to the position below the obstruction detector 58 for appearance detection and then is moved by the discharging conveyer belt 57 for discharging;
thereby use glass fiber and non-woven fabrics combined material preparation filter core, improve the filter core filterability to adopt the multilayer cloth folding, improve filterability and shorten the processing technology flow simultaneously, improve machining efficiency, and pleat moulding automatically, degree of automation is higher.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (9)

1. The non-woven fabric with high filtering performance is characterized by comprising the following components in parts by weight: 50-60 parts of polypropylene, 30-40 parts of electret master batch, 15-20 parts of high-molecular electret and 3-5 parts of toughening agent.
2. The processing technology of the non-woven fabric with high filtering performance according to claim 1, characterized in that: the method comprises the following steps:
step 1, feeding the components according to the parts by weight, filtering the raw materials in the feeding process, ensuring that no metal and other hard substances can be contained in the raw materials, no water can be contained in the raw materials, and ensuring the cleanliness of the raw materials;
step 2, melt spinning, melting the solid slices into a melt, extruding the melt by using a screw extruder, (temperature judgment, judging temperature according to the melt index of the slices, wherein the melt index range of the slices required by the non-woven fabric spinning is 15-45 g/10min, and a molecular weight regulator is required to be added between 15-25 g/10 min), filtering the spinning solution while extruding (the pressure after filtering and the pressure difference before filtering are about 5MPA, the filter needs to be replaced, filling the filter to be replaced with slurry when replacing the filter, exhausting through an exhaust hole, grasping the switching speed, avoiding shutdown due to pressure loss), accurately metering the flow of the spinning solution by using a gear type metering pump after filtering (so as to ensure that the spinning solution is uniformly and continuously conveyed and generate certain working pressure to enable the spinning solution to smoothly pass through a spinneret plate), pumping the melt into a spinneret plate in a spinning box body, (ensuring that the melt is uniform in pressure and uniform in flow, the melt reaches the spinneret plate, the aperture of the spinneret plate is 0.45mm, and the pressure in the spinneret plate hole is ensured), and filtering and cooling;
step 3, air flow drafting, wherein the air temperature is controlled to be 15-20 ℃, the air pressure is ensured to be stable, air is uniformly discharged from each point of the air net, a hexagonal 4mm honeycomb plate structure is adopted, and an 80-plain woven net is adopted as an air net surface net;
step 4, lapping, namely stabilizing the fiber web by adopting a hot-pressing roller, wherein the surface temperature of the hot-pressing roller is uneven when the hot-pressing roller electrically heats, the middle of the hot-pressing roller is higher than two sides of the hot-pressing roller, and the surface temperature is 80-140 ℃;
step 5, hot rolling, namely reinforcing the fiber net into non-woven fabric by adopting a hot press (the hot rolling pressure is 3-7 MPA, and the hot rolling temperature is 135-155 ℃;
step 6, compounding the glass fiber filter material and the non-woven fabric by adopting a glue-free compounding process, namely directly laminating the non-woven fabric (layers on the upstream and downstream) and the glass fiber filter material and then performing hot press molding;
7, performing multilayer pleating, and performing multilayer pleating and edge sealing on the formed glass fiber filter material and the non-woven fabric cloth by using non-woven fabric processing equipment;
and 8, winding and packaging.
3. The processing technology of the non-woven fabric with high filtering performance according to claim 2, characterized in that: the woven fabric processing apparatus according to step 7, comprising:
a feeding machine (1);
the multilayer folding mechanism (2) is arranged on the left side of the feeding machine (1);
the controller (3) is installed on the front side of the multilayer folding mechanism (2), and the controller (3) is electrically connected with the feeding machine (1);
and the pleating mechanism (5) is arranged on the left side of the multi-layer folding mechanism (2).
4. The processing technology of the non-woven fabric with high filtering performance according to claim 3, characterized in that: the multi-layer folding mechanism (2) comprises:
the multi-layer folding mechanism shell (21) is arranged on the right side of the upper layer of the inner cavity of the multi-layer folding mechanism shell (21) in the left-right direction, and the right opening of the inner cavity of the multi-layer folding mechanism shell (21) is communicated with a discharge hole of the feeding machine (1);
the hot press (22) is arranged at the bottom end of the inner cavity of the multilayer folding mechanism shell (21) along the left-right direction, and the hot press (22) is electrically connected with the controller (3);
the transfer conveyer belt (23) is arranged on the left side of the hot press (22) along the front-back direction, and the transfer conveyer belt (23) is electrically connected with the controller (3);
the connecting conveyer belt (24) is arranged at the front end of the left side of the transferring conveyer belt (23) in the left-right direction, the outer wall of the shell (21) of the multi-layer folding mechanism extends out of the left side of the connecting conveyer belt (24), and the connecting conveyer belt (24) is electrically connected with the controller (3);
the pusher (25) is arranged at the front end of the right side of the top end of the transfer conveyer belt (23), and the pusher (25) is electrically connected with the controller (3);
and the folding assembly (4) is arranged at the right end of the outer side of the hot press (22).
5. The processing technology of the non-woven fabric with high filtering performance according to claim 4, characterized in that: the folding assembly (4) comprises;
the hot press comprises two brackets (41), wherein the two brackets (41) are respectively arranged at the left end and the right end of the outer side of the hot press (22);
the number of the mounting seats (42) is two, and the two mounting seats (42) are respectively arranged at the top ends of the left bracket (41) and the right bracket (41);
the number of the guide rollers (43) is two, and the two guide rollers (43) rotate on the inner sides of the top ends of the left and right mounting seats (42) through pin shafts;
the number of the rotating shafts (44) is two, and the two rotating shafts (44) rotate at the top ends of the left mounting seat (42) and the right mounting seat (42) through pin shafts and are positioned on the outer sides of the guide rollers (43);
the number of the guide plates (45) is two, and the two guide plates (45) are arranged on the outer sides of the left rotating shaft (44) and the right rotating shaft (44);
the number of the gears (46) is two, and the two gears (46) are respectively connected to the outer sides of the axes of the left rotating shaft (44) and the right rotating shaft (44) in a key mode;
the number of the slide rails (47) is two, and the two slide rails (47) are respectively arranged on the outer side of the mounting seat (42) along the left-right direction;
the number of the rack blocks (48) is two, the two rack blocks (48) are respectively inserted into the inner sides of the two sliding rails (47), and the rack blocks (48) are meshed with the gears (46);
the number of the first electric push rods (49) is two, the two first electric push rods (49) are respectively arranged on the outer sides of the two mounting seats (42), the telescopic ends of the first electric push rods (49) are fixedly connected with the outer sides of the rack blocks (48), and the first electric push rods (49) are electrically connected with the controller (3);
wherein, the left bracket (41) and the right bracket (41) are arranged in a vertically staggered manner.
6. The processing technology of the non-woven fabric with high filtering performance according to claim 5, characterized in that: the folding assembly (4) further comprises;
the number of the guide rails (410) is two, the number of the guide rails (410) in each group is two, and the two groups of guide rails (410) are respectively arranged on the front side and the rear side of the lower layer of the inner cavity of the multi-layer folding mechanism shell (21);
the number of the mounting plates (411) is two, and the two mounting plates (411) are respectively sleeved on the outer sides of the two groups of guide rails (410);
the number of the second electric push rods (412) is two, the two second electric push rods (412) are respectively arranged on the left side and the right side of the lower layer of the inner cavity of the multi-layer folding mechanism shell (21), the telescopic end of each second electric push rod (412) is fixedly connected with the inner side of the front side mounting plate (411), and the second electric push rods (412) are electrically connected with the controller (3);
the number of the connecting rods (413) is two, and one ends of the two connecting rods (413) are respectively and rotatably connected to the top ends of the front mounting plate (411) and the rear mounting plate (411) through pin shafts;
the rotating rod (414) is rotatably connected to the center of the bottom end of the inner cavity of the multi-layer folding mechanism shell (21) through a pin shaft, and two ends of the rotating rod (414) are rotatably connected with the other ends of the front connecting rod (413) and the rear connecting rod (413) through the pin shaft;
the number of the mounting frames (416) is two, the two mounting frames (416) are respectively arranged at the top ends of the front mounting plate (411) and the rear mounting plate (411), and the top ends of the mounting frames (416) extend into the upper layer of the inner cavity of the multi-layer folding mechanism shell (21);
the number of the limiting rollers (417) is two, the number of each group of limiting rollers (417) is two, the two groups of limiting rollers (417) are respectively arranged on the left side and the right side of the top end of the front mounting frame (416) and the right side of the top end of the rear mounting frame (416), and the number of each limiting roller (417) is three layers from top to bottom;
the number of the pressing rollers (418) is two, the two pressing rollers (418) are respectively arranged at the center positions of the top ends of the front mounting frame (416) and the rear mounting frame (416), and the number of each pressing roller (418) is three layers from top to bottom;
the conveying and cutting machine (419) is arranged below the bracket (41) on the right side, and the conveying and cutting machine (419) is electrically connected with the controller (3);
the bracket (41) on the left side is located at the position corresponding to the lower limiting roller (417) and the pressing roller (418), and the bracket (41) on the right side is located at the position corresponding to the middle limiting roller (417) and the pressing roller (418).
7. The processing technology of the non-woven fabric with high filtering performance according to claim 6, characterized in that: said pleating mechanism (5) comprising;
a pleating mechanism housing (51) disposed at a left side of the multi-layer folding mechanism housing (21) in a front-to-rear direction, the left side of the connecting conveyor belt (24) extending into an inner cavity of the pleating mechanism housing (51);
the conveying line (52) is arranged at the bottom end of the inner cavity of the pleating mechanism shell (51) in the front-back direction, and the conveying line (52) is electrically connected with the controller (3);
the mounting groove (53) is formed in the bottom end of the inner cavity of the pleating mechanism shell (51) and is positioned in the middle of the mounting groove (53);
the edge bonding machine (54) is installed at the front end of the outer side of the conveying line (52), and the edge bonding machine (54) is electrically connected with the controller (3);
the number of the lifters (55) is two, the two lifters (55) are respectively arranged on the upper side and the lower side of the inner cavity of the mounting groove (53), and the lifters (55) are electrically connected with the controller (3);
the number of the shells (56) is two, and the two shells (56) are respectively provided with an upper moving end and a lower moving end which are arranged on the lifter (55);
the number of the shaping assemblies (6) is two, the number of the shaping assemblies (6) in each group is several, the shaping assemblies (6) are respectively arranged in the inner cavities of the upper shell (56) and the lower shell (56), and the upper shaping assembly (6) and the lower shaping assembly (6) are arranged in a staggered mode;
the number of the ejection assemblies (7) is two, the number of the ejection assemblies (7) in each group is several, several shaping assemblies (6) are respectively arranged in the inner cavities of the upper shell and the lower shell (56), and the ejection assemblies (7) are arranged at the gap position of two adjacent shaping assemblies (6);
the discharging conveying belt (57) is arranged on the front side of the pleating mechanism shell (51) in the front-back direction, the rear side of the discharging conveying belt (57) extends into an inner cavity of the pleating mechanism shell (51) and is in butt joint with the front side of the carrying conveying line (52), and the discharging conveying belt (57) is electrically connected with the controller (3);
the blocking detection machine (58) is arranged on the rear side of the top end of the discharging conveying belt (57), and the blocking detection machine (58) is electrically connected with the controller (3).
8. The processing technology of the non-woven fabric with high filtering performance according to claim 7, characterized in that: the shaping component (6) comprises;
the fixing seat (61) is fixedly arranged in the inner cavity of the shell (56);
the number of the rotating rods (62) is two, and the two rotating rods (62) are respectively and rotatably connected to the front side and the rear side of the fixed seat (61) through pin shafts;
the number of the through holes (63) is two, and the two through holes (63) are respectively formed in the top ends of the inner sides of the front rotating rod (62) and the rear rotating rod (62);
the number of the ultrasonic welding plates (64) is two, the two ultrasonic welding plates (64) are respectively arranged on the inner sides of the front rotating rod (62) and the rear rotating rod (62), and the ultrasonic welding plates (64) are electrically connected with the controller (3);
the third electric push rod (65) is arranged in the inner cavity of the shell (56) and is positioned below the fixed seat (61), and the third electric push rod (65) is electrically connected with the controller (3);
a movable seat (66) arranged at the telescopic end of the third electric push rod (65);
the number of the first connecting rods (67) is two, one ends of the first connecting rods (67) are respectively connected to the front side and the rear side of the top end of the movable seat (66) through pin shafts in a rotating mode, and the other ends of the two first connecting rods (67) are respectively connected with the inner cavities of the front through hole and the rear through hole (63) through pin shafts in a rotating mode.
9. The process for processing the non-woven fabric with high filtering performance according to claim 8, wherein the process comprises the following steps: the ejection assembly (7) comprises;
a sleeve (71) mounted in the interior cavity of the housing (56) by a bracket;
the movable rod (72) is inserted at the top end of the inner cavity of the sleeve (71);
a top rod (73) which is installed at the top end of the movable rod (72) along the left-right direction;
the inserting rod (74) is inserted below the inner cavity of the sleeve (71), and the top end of the inserting rod (74) is fixedly connected with the bottom end of the moving rod (72);
a base (75) disposed below the sleeve (71);
the top seat (76) is installed at the bottom end of the sleeve (71), and the inserted rod (74) penetrates through the inner cavity of the top seat (76);
the number of the first limiting rods (77) is two, and one end of each of the two first limiting rods (77) is rotatably connected to the left side and the right side of the top seat (76) through a pin shaft;
the number of the second limiting rods (78) is two, one ends of the two second limiting rods (78) are rotatably connected to the left side and the right side of the base (75) through pin shafts, and the other ends of the two second limiting rods (78) are rotatably connected with the other ends of the left first limiting rod (77) and the other ends of the right first limiting rod (77) through pin shafts respectively;
the servo motor (79) is arranged in the inner cavity of the shell (56) and positioned below the base (75), and the servo motor (79) is electrically connected with the controller (3);
the eccentric wheel (710) is connected to the output end of the servo motor (79) through a screw;
one end of the second connecting rod (711) is rotatably connected to the outer end of the front side of the eccentric wheel (710) through a pin shaft, and the other end of the second connecting rod (711) is rotatably connected with the inner side of the base (75) through a pin shaft.
CN202111345586.1A 2021-11-12 2021-11-12 Non-woven fabric with high filtering performance and processing technology thereof Active CN114134644B (en)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008103736A1 (en) * 2007-02-22 2008-08-28 Donaldson Company, Inc. Filter element and method
CN206285560U (en) * 2016-11-17 2017-06-30 苏州工业园区拓朴环保净化有限公司 Big flow glass formula foldable filter element
CN109381924A (en) * 2018-11-22 2019-02-26 南京艾氧环保科技有限公司 A kind of preparation method of the Multifunctional filter element for air-conditioning
CN111321516A (en) * 2020-04-02 2020-06-23 青岛科凯达橡塑有限公司 Long-acting electret PP (polypropylene) non-woven fabric and preparation method thereof
CN112694667A (en) * 2020-12-23 2021-04-23 中广核拓普（湖北）新材料有限公司 Polypropylene electret masterbatch, melt-blown fabric and preparation method thereof
CN112807852A (en) * 2020-12-31 2021-05-18 广东春夏新材料科技股份有限公司 Nano-filtration filter element material and production process and application thereof
CN113481657A (en) * 2021-06-08 2021-10-08 温州鸿涛包装有限公司 Non-woven bag folding machine

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008103736A1 (en) * 2007-02-22 2008-08-28 Donaldson Company, Inc. Filter element and method
CN206285560U (en) * 2016-11-17 2017-06-30 苏州工业园区拓朴环保净化有限公司 Big flow glass formula foldable filter element
CN109381924A (en) * 2018-11-22 2019-02-26 南京艾氧环保科技有限公司 A kind of preparation method of the Multifunctional filter element for air-conditioning
CN111321516A (en) * 2020-04-02 2020-06-23 青岛科凯达橡塑有限公司 Long-acting electret PP (polypropylene) non-woven fabric and preparation method thereof
CN112694667A (en) * 2020-12-23 2021-04-23 中广核拓普（湖北）新材料有限公司 Polypropylene electret masterbatch, melt-blown fabric and preparation method thereof
CN112807852A (en) * 2020-12-31 2021-05-18 广东春夏新材料科技股份有限公司 Nano-filtration filter element material and production process and application thereof
CN113481657A (en) * 2021-06-08 2021-10-08 温州鸿涛包装有限公司 Non-woven bag folding machine

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