CN111254583B - Pretreatment process for production raw materials of melt-blown non-woven fabric - Google Patents
Pretreatment process for production raw materials of melt-blown non-woven fabric Download PDFInfo
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- CN111254583B CN111254583B CN202010255323.0A CN202010255323A CN111254583B CN 111254583 B CN111254583 B CN 111254583B CN 202010255323 A CN202010255323 A CN 202010255323A CN 111254583 B CN111254583 B CN 111254583B
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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
- D04H1/54—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 by welding together the fibres, e.g. by partially melting or dissolving
- D04H1/56—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 by welding together the fibres, e.g. by partially melting or dissolving in association with fibre formation, e.g. immediately following extrusion of staple fibres
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/08—Melt spinning methods
- D01D5/098—Melt spinning methods with simultaneous stretching
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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
- D04H1/70—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres
- D04H1/76—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres otherwise than in a plane, e.g. in a tubular way
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Nonwoven Fabrics (AREA)
Abstract
The invention relates to a pretreatment process of melt-blown non-woven fabric production raw materials, which uses a pretreatment device of the melt-blown non-woven fabric production raw materials, wherein the pretreatment device of the melt-blown non-woven fabric production raw materials comprises a workbench, an extrusion mechanism and a receiving mechanism, the extrusion mechanism is arranged at the upper end of the workbench, the receiving mechanism is arranged at the lower side of the right end of the extrusion mechanism, and the lower end of the receiving mechanism is arranged on the upper end surface of the workbench in a sliding fit manner.
Description
Technical Field
The invention relates to the technical field of non-woven fabric production, in particular to a pretreatment process for production raw materials of melt-blown non-woven fabric.
Background
The melt-blown non-woven fabric is prepared by drafting polymer melt trickle extruded from spinneret orifices by high-speed hot air flow, forming superfine fibers and collecting the superfine fibers on a condensing screen curtain or a roller, wherein the polypropylene superfine fibers are randomly distributed and adhered together and are bonded to form the melt-blown non-woven fabric, the melt-blown non-woven fabric mainly takes polypropylene as a main raw material, the fiber diameter can reach 1-5 microns, the melt-blown non-woven fabric has white, flat, soft, numerous gaps, fluffy structure and good crease resistance, the superfine fibers with unique capillary structures increase the quantity and the surface area of the fibers in unit area, so that the melt-blown non-woven fabric has good filtering property, shielding property, heat insulating property and oil absorbing property, can be used in the fields of air, liquid filtering material, isolating material, absorbing material, mask material, heat-preserving material, oil-absorbing material, wiping cloth and the like, and is used in the field of medical and sanitary materials, the meltblown fabric can be the core of medical surgical masks and N95 masks, but the following problems can occur in the pretreatment process of the raw materials for producing the meltblown nonwoven fabric:
1. in the process of extruding the polymer, because a channel through which the polymer passes has no heat insulation structure or the heat insulation effect of the heat insulation structure is poor, the molten polymer in a high-temperature state is easy to be condensed and solidified in the channel to block the channel, or the melting degree of the molten polymer is reduced, so that the forming degree of polymer trickle is low, and meanwhile, the polymer which is not melted when reaching the temperature in a melting device is not removed in time;
2. the polymer is supplemented or poured into the device in each working period in a manual mode, the labor intensity of workers is easily increased, the working efficiency is reduced, the influence on the forming of non-woven fabrics due to the fact that the once feeding amount of the polymer exceeds the bearing range of the device is easily caused, and meanwhile the size of a polymer extrusion port of the same device cannot be changed, so that the whole application range of the device is reduced.
Disclosure of Invention
Technical scheme (I)
In order to achieve the above object, the present invention adopts the following technical scheme, a melt-blown non-woven fabric production raw material pretreatment process, which uses a melt-blown non-woven fabric production raw material pretreatment device, wherein the melt-blown non-woven fabric production raw material pretreatment device comprises a workbench, an extrusion mechanism and a receiving mechanism, and the melt-blown non-woven fabric production raw material pretreatment process by using the melt-blown non-woven fabric production raw material pretreatment device is as follows:
s1, polymer feeding: feeding a polymer into a feeding pipe in a manual mode, wherein the polymer enters a reaction kettle along a connecting pipe;
s2, melt extrusion: the reaction kettle carries out melting treatment on the polymer, the melting time and temperature are controlled by a display controller, the molten polymer flows downwards into the right end of an extruder through a heat-resistant sieve plate, and the molten polymer is extruded towards a forming formula through the extruder;
s3, fiber formation: in the process of extruding the molten polymer from the extrusion groove at a high speed through the extruder, high-temperature hot air is always blown into the vent pipe through the blower, and the high-speed high-temperature hot air drafts the polymer stream extruded from the extrusion groove to form superfine fibers;
s4, receiving a web: the wire barrel is fixed through the rotating shaft and the L-shaped clamping frame, the output shaft end of the motor and the right end of the rotating shaft are fixed through the screw, the wire barrel is driven to rotate through the motor and simultaneously moves in a left-right reciprocating mode through the first electric sliding block, and the superfine fibers are condensed on the wire barrel and are bonded by the superfine fibers to form the non-woven fabric.
The extruding mechanism is installed at the upper end of the workbench, the receiving mechanism is arranged on the lower side of the right end of the extruding mechanism, and the lower end of the receiving mechanism is installed on the upper end face of the workbench in a sliding fit mode.
The extruding mechanism comprises a base, an extruder, a reaction kettle, a heat-resistant sieve plate, a display controller, a connecting pipe, a feeding pipe and a forming group, wherein the lower end of the base is arranged at the left end of the upper end surface of a workbench, the extruder is arranged at the upper end of the base, the reaction kettle is arranged at the upper end of the middle part of the right end of the extruder, the heat-resistant sieve plate is arranged at the lower end in the reaction kettle, the display controller is arranged at the rear end of the reaction kettle, the connecting pipe is arranged in the middle area of the upper end of the reaction kettle in a thread fit manner, the feeding pipe is arranged at the upper end of the connecting pipe in a thread fit manner, the forming group is arranged at the lower end of the right end of the extruder, a polymer is fed in the feeding pipe in a manual manner, the polymer enters the reaction kettle along the connecting pipe, and simultaneously extruding the molten polymer to a forming group through an extruder, wherein the forming group enables the molten polymer to form fibers, the fibers are downwards sprayed on a receiving mechanism, and the receiving mechanism carries out fiber web forming treatment.
The forming group comprises a module, a vent pipe, a blower, a seat, a first flat plate and a second flat plate, wherein an extrusion groove is formed in the middle of the lower end face of the module, vent grooves are symmetrically formed in the front side and the rear side of the extrusion groove and are formed in the lower end face of the module, the upper end of the extrusion groove is connected with the lower end of the right end of an extruder, the vent pipe is arranged at the upper end of the vent groove in a threaded fit mode, the left end of the vent pipe is connected with the upper end of the blower, the lower end of the blower is arranged at the upper end of the seat, the lower end of the seat is arranged on the upper end face of a workbench and is positioned on the right side of a base, the first flat plate is symmetrically connected with the lower end of the extrusion groove in the front-back mode, the second flat plate is arranged on the outer side of the first flat plate, the, high-temperature hot air is blown into the air duct through the blower, the high-speed high-temperature hot air drafts the polymer stream extruded from the extrusion groove to form superfine fibers, and the superfine fibers are condensed on the receiving mechanism and bonded by the receiving mechanism to form the non-woven fabric.
The receiving mechanism comprises a wire barrel, a rotating shaft, a vertical block, an L-shaped clamping frame, clamping pins, a motor, a screw, a bottom plate and an electric sliding block I, wherein the wire barrel is positioned in the middle part under the module, hole grooves are symmetrically formed in the middle parts of the left end surface and the right end surface of the wire barrel, the rotating shaft is installed in the hole grooves in a sliding fit mode, the vertical block is installed at the outer side end of the rotating shaft in a sliding fit mode, the L-shaped clamping frame is symmetrically installed at the front end and the rear end of the inner side end of the rotating shaft, the inner side end of the L-shaped clamping frame is connected with the clamping grooves in a sliding fit mode, the clamping grooves are formed in the outer side end of the wire barrel, a sliding fit mode is formed between the outer side end of the L-shaped clamping frame and the limiting grooves, the limiting grooves are formed in the inner side end surface of the vertical block, the clamping pins are symmetrically installed at the left end and the right, the output axle head of motor links to each other through the screw between the right-hand member of line section of thick bamboo right-hand member pivot, the up end at the bottom plate is all installed to the lower extreme of motor and the lower extreme of founding the piece, the lower extreme mid-mounting of bottom plate has an electronic slider, an electronic slider passes through the sliding fit mode and installs the upper end at the workstation, and be the sliding fit mode between the up end of the lower terminal surface of bottom plate and workstation, put the line section of thick bamboo between founding the piece through artifical mode, and through pivot and L type card frame fixed line section of thick bamboo, the output shaft of pulling the motor left through artifical mode, and through the right-hand member of screw fixed motor output axle head and pivot, drive line section of thick bamboo pivoted through an electronic slider messenger line section of thick bamboo through the motor and do reciprocating motion about, superfine fiber gathers on the line section of thick.
As a preferred technical scheme of the invention, the upper end of the connecting pipe is provided with a circular sealing plate in a sliding fit mode, the middle part of the front end of the circular sealing plate is provided with a second electric sliding block, the second electric sliding block is arranged in a track groove in a sliding fit mode, the track groove is arranged at the lower end of the feeding pipe, a sliding fit mode is adopted between the circular sealing plate and the track groove, a shaft lever is arranged above the circular sealing plate, the lower end of the shaft lever is arranged in the middle part of the inner bottom wall of the feeding pipe in a sliding fit mode, partition plates are arranged on the shaft lever and are uniformly distributed along the circumferential direction of the shaft lever, the lower end face of each partition plate, the inner bottom wall of the feeding pipe, the outer end face of each partition plate and the inner side wall of the feeding pipe are in a sliding fit mode, the outer, make to fill up the polymer between the adjacent baffle through the manual mode, the polymer branch in the charge-in pipe is four piles promptly, then drive the circular seal board through No. two electronic sliders and move forward and make the connecting pipe upper end be open state, the connecting pipe just falls by oneself to the polymer heap, when next duty cycle, drive the baffle through No. three electronic sliders and rotate, the baffle drives the polymer and rotates the upper end that makes next polymer heap to the connecting pipe in step, through No. two electronic sliders, the circular seal board, cooperation between No. three electronic sliders and the baffle can realize the independent feed operation in the continuous duty cycle, and then simplified the work flow and improved work efficiency, the too much phenomenon of once feeding polymer also avoids appearing simultaneously.
As a preferred technical scheme of the invention, the middle part of the inner upper end surface of the reaction kettle is provided with an upper heat insulation pipe, the interior of the upper heat insulation pipe is provided with a lower heat insulation pipe in a sliding fit mode, the upper ends of the front end and the rear end of the lower heat insulation pipe are symmetrically provided with four electric sliding blocks, the four electric sliding blocks are arranged on the inner side wall of the upper heat insulation pipe in a sliding fit mode, the right rear side of the lower heat insulation pipe is provided with a telescopic scraper, the lower end of the lower heat insulation pipe, the lower end of the telescopic scraper and the upper end of a heat-resistant sieve plate are in a sliding fit mode, the left end and the right end of the telescopic scraper are symmetrically provided with five electric sliding blocks, the five electric sliding blocks are arranged at the lower end of the inner side wall of the reaction kettle in a sliding fit mode, the middle part of the front end surface of the heat-resistant sieve, the lower extreme of pipeline links to each other with the rear end upper end of air exhauster, the upper end at the seat stand is installed to the lower extreme of air exhauster, and the air exhauster is located the left side of hair-dryer, after the melting time that shows on the display controller finishes a period, heat-resisting sieve board is kept away from in the upward movement of heat-insulating pipe under the drive of No. four electronic slider, then drive flexible scraper blade through No. five electronic slider and reach the polymer that the temperature did not melt on to heat-resisting sieve board and strike off, and advance the polymer that will strike off forward in the slope through-hole, at the same time absorb the polymer in the pipeline through the air exhauster, and then keep apart the clearance to reaching the granule that the regulation temperature did not melt completely behind the hot melt, the probability that heat-resisting sieve board takes.
As a preferred technical scheme of the invention, the right end of the extruder is provided with a hot air through pipe, the left end of the hot air through pipe is positioned on the right side of the lower end of the reaction kettle, the lower end of the right end of the hot air through pipe is connected with the upper end surface of the module, the left end of the lower end of the hot air through pipe is provided with a gas pipe, the lower end of the gas pipe is arranged at the upper end of a blower, hot air is blown into the gas pipe through the blower, the hot air is filled in the hot air pipe so that the molten polymer is extruded to the module for whole heat preservation treatment, and the high-temperature molten polymer is prevented from being solidified when being cooled and attached to.
As a preferred technical scheme of the invention, the rear end of the inner side end face of the vertical block is provided with the L-shaped plate, the front end face of the upper end of the L-shaped plate, the upper end face of the lower end of the L-shaped plate and the outer surface of the bobbin are in sliding fit, the lower end of the L-shaped plate is positioned under the rotating shaft, and the L-shaped plate can play a role in guiding and limiting the installation of the bobbin, so that workers can quickly complete the direct connection between the bobbin and the rotating shaft at one time, and meanwhile, the L-shaped plate also plays a role in assisting in fixing the bobbin.
As a preferred technical scheme of the invention, the upper ends of the first flat plate and the second flat plate are respectively provided with a pin shaft in a sliding fit mode, the pin shafts are arranged at the upper ends of the modules, the front ends and the rear ends of the upper ends of the first flat plate and the second flat plate are respectively of a protruding structure, the outer side ends of the protruding structures are respectively positioned at the outer sides of the outer side ends of the modules, the upper end of the inner side end of the first flat plate is bilaterally symmetrically provided with a push rod, the inner side end of the push rod in the left-right direction is provided with a sixth electric slide block, the sixth electric slide block is arranged at the outer side end of the module in the left-right direction in a sliding fit mode, the inner side end face of the push rod in the left-right direction and the outer side end face of the module in the left-right direction are in a sliding fit mode, push rods are bilaterally symmetrically, the first flat block drives the second flat block to move synchronously through the push rod, so that the distance between the first flat plates is changed, namely the jet width size of the polymer trickle is changed, the device can adapt to the forming of non-woven fabric cylinders with different sizes, and the utilization rate of the device is improved.
As a preferred technical scheme of the invention, a graduated scale is arranged above the push rod, the graduated scale is arranged on the outer side end face of the module in the front-back direction, the lower end face of the graduated scale and the upper end face of the push rod are in a sliding fit mode, an operator can accurately control the moving distance of the six electric sliding blocks according to the graduated scale, the six electric sliding blocks which are just opposite in the front-back direction keep consistent in moving distance, and the distance between the first flat plates can be adaptively changed according to the size of a spool of the received polymer trickle.
(II) advantageous effects
1. According to the pretreatment process for the production raw materials of the melt-blown non-woven fabric, the production raw materials of the melt-blown non-woven fabric are pretreated by adopting the design concept of an adjustable integrated structure, and an operator can perform adaptive accurate change on a molten polymer extrusion port according to the size of a bobbin which needs to receive polymer trickle, so that the whole application range of the device is enlarged;
2. the No. five electric sliding blocks, the telescopic scraper and the exhaust fan are matched to work, so that particles which reach the specified temperature but are not completely melted on the heat-resistant sieve plate can be isolated and removed, and the probability of polymer blockage of the heat-resistant sieve plate in long-time work is reduced;
3. the first flat plate, the second flat plate, the push rod and the sixth electric sliding block are matched to work to change the distance between the first flat plates, namely the jet width size of polymer trickle is changed, so that the device can adapt to the forming of non-woven fabric cylinders with different sizes, and the utilization rate of the device is improved;
4. according to the invention, hot air is blown into the air pipe by the blower, so that the hot air is filled in the hot air pipeline to ensure that the molten polymer is subjected to whole-process heat preservation treatment in the process of extruding the molten polymer to the module, the high-temperature molten polymer is prevented from being attached and accumulated in a right end channel of the extruder in a solidification state when being cooled, and the fluidity of the molten polymer is improved;
5. the second electric sliding block, the circular sealing plate, the third electric sliding block and the partition plate are matched to work, so that the automatic feeding operation in a continuous working period can be realized, the working process is simplified, the working efficiency is improved, and the phenomenon that the amount of polymers fed at one time is too much is avoided;
6. the L-shaped plate can play a role in guiding and limiting the installation of the bobbin, so that workers can quickly complete the direct connection between the bobbin and the rotating shaft at one time, and meanwhile, the L-shaped plate also plays a role in assisting in fixing the bobbin.
Drawings
FIG. 1 is a process flow diagram of the present invention;
FIG. 2 is a schematic perspective view of the present invention;
FIG. 3 is a first cross-sectional view of the present invention;
FIG. 4 is a second cross-sectional view of the present invention;
FIG. 5 is a third cross-sectional view of the present invention;
FIG. 6 is a fourth cross-sectional view of the present invention;
FIG. 7 is an enlarged view of the invention in section X of FIG. 2;
FIG. 8 is an enlarged view of the Y-direction portion of FIG. 3 in accordance with the present invention;
FIG. 9 is an enlarged view of the Z-direction detail of FIG. 3 in accordance with the present invention;
FIG. 10 is an enlarged view of the M-direction portion of FIG. 5 in accordance with the present invention;
FIG. 11 is an enlarged view of the invention taken along the line N of FIG. 6.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways, which are defined and covered by the claims.
As shown in fig. 1 to 11, a pretreatment process for a raw material for producing melt-blown non-woven fabric, which uses a pretreatment device for raw material for producing melt-blown non-woven fabric, the pretreatment device for raw material for producing melt-blown non-woven fabric comprises a workbench 1, an extrusion mechanism 2 and a receiving mechanism 3, and the pretreatment process when the pretreatment device for raw material for producing melt-blown non-woven fabric is used for pretreating raw material for producing melt-blown non-woven fabric is as follows:
s1, polymer feeding: the polymer is fed into a feeding pipe 27 by a manual mode and enters the reaction kettle 23 along a connecting pipe 26;
s2, melt extrusion: the reaction kettle 23 carries out melting treatment on the polymer, the display controller 25 controls the melting time and temperature, the molten polymer flows downwards into the right end of the extruder 22 through the heat-resistant sieve plate 24, and the molten polymer is extruded towards the forming group 28 through the extruder 22;
s3, fiber formation: in the process of extruding the molten polymer from the extrusion grooves at a high speed by the extruder 22, high-temperature hot air is blown into the vent pipe 282 through the blower 283, and the high-speed high-temperature hot air drafts the polymer stream extruded from the extrusion grooves, thereby forming superfine fibers;
s4, receiving a web: the bobbin 31 is fixed through the rotating shaft 32 and the L-shaped clamping frame 34, the output shaft end of the motor 36 and the right end of the rotating shaft 32 are fixed through the screw 37, the bobbin 31 is driven to rotate through the motor 36, meanwhile, the bobbin 31 is driven to reciprocate left and right through the first electric sliding block 310, and the superfine fibers are condensed on the bobbin 31 and are bonded by the superfine fibers to form the non-woven fabric.
The extruding mechanism 2 is installed at the upper end of the workbench 1, the receiving mechanism 3 is arranged on the lower side of the right end of the extruding mechanism 2, and the lower end of the receiving mechanism 3 is installed on the upper end face of the workbench 1 in a sliding fit mode.
The extruding mechanism 2 comprises a base 21, an extruder 22, a reaction kettle 23, a heat-resisting sieve plate 24, a display controller 25, a connecting pipe 26, a feeding pipe 27 and a forming group 28, wherein the lower end of the base 21 is installed at the left end of the upper end face of the workbench 1, the extruder 22 is installed at the upper end of the base 21, the reaction kettle 23 is installed at the upper end of the middle part of the right end of the extruder 22, the heat-resisting sieve plate 24 is installed at the lower end in the reaction kettle 23, the display controller 25 is installed at the rear end of the reaction kettle 23, the connecting pipe 26 is installed in the middle area of the upper end of the reaction kettle 23 in a thread matching mode, the feeding pipe 27 is installed at the upper end of the connecting pipe 26 in a thread matching mode, the forming group 28 is installed at the lower end of the right end of the extruder 22, polymers are fed into the feeding pipe 27 in a manual mode, the polymers, the display controller 25 controls the melting time and temperature, and the molten polymer flows down through the heat-resistant screen 24 into the right end of the extruder 22, and is extruded by the extruder 22 toward the forming group 28, and the forming group 28 forms the molten polymer into fibers, and the fibers are sprayed downward onto the receiving mechanism 3, and the receiving mechanism 3 performs a fiber web forming process.
The upper end of the connecting pipe 26 is provided with a circular sealing plate 261 in a sliding fit manner, a second electric slider 262 is mounted in the middle of the front end of the circular sealing plate 261, the second electric slider 262 is mounted in a rail groove in a sliding fit manner, the rail groove is formed in the lower end of the feeding pipe 27, a sliding fit manner is adopted between the circular sealing plate 261 and the rail groove, a shaft rod 263 is arranged above the circular sealing plate 261, the lower end of the shaft rod 263 is mounted in the middle of the inner bottom wall of the feeding pipe 27 in a sliding fit manner, a partition plate 264 is mounted on the shaft rod 263, the partition plates 264 are uniformly arranged along the circumferential direction of the shaft rod 263, sliding fit manners are respectively adopted between the lower end face of the partition plate 264 and the inner bottom wall of the feeding pipe 27, a third electric slider 265 is mounted on the outer end of the partition plate 264 at the right end of the shaft 263, make to fill up the polymer between the adjacent baffle 264 through the manual mode, the polymer in the inlet pipe 27 divides into four piles, then drive circular sealing plate 261 through No. two electronic slider 262 and move forward and make the upper end of connecting pipe 26 be open state, connecting pipe 26 just falls by oneself to the polymer pile, in next duty cycle, drive baffle 264 through No. three electronic slider 265 and rotate, baffle 264 drives the polymer synchronous rotation and makes next polymer pile rotate to the upper end of connecting pipe 26, cooperation between No. two electronic slider 262, circular sealing plate 261, No. three electronic slider 265 and the baffle 264 can realize autonomic feed operation in the continuous duty cycle, and then simplified work flow and improved work efficiency, also avoid appearing the too much phenomenon of once-feeding polymer volume simultaneously.
The forming group 28 comprises a module 281, a vent pipe 282, a blower 283, a seat 284, a first flat plate 285 and a second flat plate 286, wherein an extrusion groove is formed in the middle of the lower end face of the module 281, vent grooves are symmetrically formed in the front side and the rear side of the extrusion groove, the vent grooves are formed in the lower end face of the module 281, the upper end of the extrusion groove is connected with the lower end of the right end of the extruder 22, the vent pipe 282 is mounted at the upper end of the vent groove in a threaded fit manner, the left end of the vent pipe 282 is connected with the upper end of the blower 283, the lower end of the blower 283 is mounted at the upper end of the seat 284, the lower end of the seat 284 is mounted at the upper end face of the workbench 1, the seat 284 is positioned at the right side of the base 21, the first flat plate 285 is symmetrically connected in the front and rear side of the lower end of the extrusion groove, the, the molten polymer is extruded from the extrusion grooves at a high speed by the extruder 22, and the extruded polymer fine stream is sprayed downward along the space between the first flat plates 285, and in the process, high-temperature hot air is blown into the vent pipe 282 through the blower 283 and drafted by the high-speed high-temperature hot air, thereby forming ultrafine fibers, which are coagulated on a receiving mechanism and bonded by themselves to form a nonwoven fabric.
An upper heat insulation pipe 231 is arranged in the middle of the inner upper end face of the reaction kettle 23, a lower heat insulation pipe 232 is arranged in the upper heat insulation pipe 231 in a sliding fit mode, four electric sliders 233 are symmetrically arranged at the upper ends of the front end and the rear end of the lower heat insulation pipe 232, the four electric sliders 233 are arranged on the inner side wall of the upper heat insulation pipe 231 in a sliding fit mode, a telescopic scraper 234 is arranged right behind the lower heat insulation pipe 232, the lower end of the telescopic scraper 234 and the upper end of the heat-resistant sieve plate 24 are in a sliding fit mode, five electric sliders 235 are symmetrically arranged at the left end and the right end of the telescopic scraper 234, the five electric sliders 235 are arranged at the lower end of the inner side wall of the reaction kettle 23 in a sliding fit mode, an inclined through hole is arranged in the middle of the front end face of the heat-resistant sieve plate 24, a pipeline 236 is arranged, the lower end of the pipeline 236 is connected with the upper end of the rear end of the exhaust fan 237, the lower end of the exhaust fan 237 is installed at the upper end of the seat 284, the exhaust fan 237 is positioned at the left side of the blower 283, after the melting time displayed on the display controller 25 is over for a period of time, the four-number electric slider 233 drives the lower heat insulation pipe 232 to move upwards to be far away from the heat-resistant sieve plate 24, then the five-number electric slider 235 drives the telescopic scraper 234 to scrape off the polymer which reaches the temperature but is not melted on the heat-resistant sieve plate 24, and pushes the scraped polymer forwards into the inclined through hole, meanwhile, the exhaust fan 237 sucks the polymer in the pipeline 236, further isolates and removes the particles which reach the specified temperature but are not melted completely after being melted, and reduces the probability of polymer blockage of the heat-resistant sieve plate 24 in long.
The right end of the extruder 22 is provided with a hot air through pipe 221, the left end of the hot air through pipe 221 is positioned on the right side of the lower end of the reaction kettle 23, the lower end of the right end of the hot air through pipe 221 is connected with the upper end face of the module 281, the left end of the lower end of the hot air through pipe 221 is provided with an air conveying pipe 222, the lower end of the air conveying pipe 222 is arranged at the upper end of a blower 283, hot air is blown into the air conveying pipe 222 through the blower 283, the hot air is filled in a hot air pipeline 236 so that the molten polymer is extruded to the module 281 and is subjected to whole-process heat preservation treatment, and the high-temperature molten polymer is.
The upper ends of the first flat plate 285 and the second flat plate 286 are respectively provided with a pin shaft in a sliding fit mode, the pin shafts are arranged at the upper end of the module 281, the front end and the rear end of the upper ends of the first flat plate 285 and the second flat plate 286 are respectively provided with a protruding structure, the outer side ends of the protruding structures are respectively positioned at the outer sides of the outer side ends of the module 281, push rods 28a are symmetrically arranged at the upper end of the inner side end of the first flat plate 285 in the left-right direction, six electric sliders 28b are arranged at the inner side ends of the push rods 28a in the left-right direction, the six electric sliders 28b are arranged at the outer side ends of the module 281 in the left-right direction in a sliding fit mode, push rods 28c are symmetrically connected between the upper ends of the first flat plate 285 and the second flat plate 286 in the left-right direction, and the push rods 28a are pushed to move towards the outer, the push rod 28a pushes the first flat block to rotate outwards or inwards, the first flat block drives the second flat block to move synchronously through the push rod 28c, so that the distance between the first flat plates 285 is changed, namely the polymer trickle jet width size is changed, the device can adapt to the forming of non-woven fabric cylinders with different sizes, and the utilization rate of the device is improved.
A graduated scale 28d is arranged above the push rod 28a, the graduated scale 28d is arranged on the outer side end face of the module 281 in the front-back direction, the lower end face of the graduated scale 28d is in sliding fit with the upper end face of the push rod 28a, an operator can accurately control the moving distance of the six electric sliders 28b according to the graduated scale 28d, the six electric sliders 28b which are opposite in the front-back direction keep consistent in moving distance, and the distance between the first flat plates 285 can be adaptively changed according to the size of the bobbin 31 for receiving polymer trickle.
The receiving mechanism 3 comprises a bobbin 31, a rotating shaft 32, a vertical block 33, an L-shaped clamping frame 34, clamping pins 35, a motor 36, a screw 37, a bottom plate 39 and an electric sliding block 310, wherein the bobbin 31 is positioned in the middle part under the module 281, hole grooves are symmetrically formed in the middle parts of the left end surface and the right end surface of the bobbin 31, the rotating shaft 32 is installed in the hole grooves in a sliding fit mode, the vertical block 33 is installed at the outer end of the rotating shaft 32 in a sliding fit mode, the L-shaped clamping frames 34 are symmetrically installed at the front end and the rear end of the inner end of the rotating shaft 32, the inner end of the L-shaped clamping frame 34 is connected with the clamping grooves in a sliding fit mode, the clamping grooves are formed in the outer end of the bobbin 31, a sliding fit mode is formed between the outer end of the L-shaped clamping frame 34 and a limiting groove, the limiting groove is formed in the inner end surface of the vertical block 33, the clamping pins 35 are symmetrically installed at the left end, a motor 36 is arranged right and right of the bobbin 31, an output shaft at the left end of the motor 36 is of a telescopic structure, an output shaft end of the motor 36 is connected with the right end of a rotating shaft 32 at the right end of the bobbin 31 through a screw 37, the lower end of the motor 36 and the lower end of a vertical block 33 are both arranged on the upper end surface of a bottom plate 39, a first electric slider 310 is arranged in the middle of the lower end of the bottom plate 39, the first electric slider 310 is arranged at the upper end of the workbench 1 in a sliding fit mode, the lower end surface of the bottom plate 39 and the upper end surface of the workbench 1 are in a sliding fit mode, the bobbin 31 is manually placed between the vertical blocks 33, the rotating shaft 32 is pushed inwards to enable the inner end to be clamped in a hole groove, an L-shaped clamping frame 34 synchronously moves along with the rotating shaft 32, the inner end is clamped in a clamping groove, at the moment, the bobbin 31 is fixed under the action of the rotating, bayonet lock 35 plays spacing effect to pivot 32, avoid pivot 32 to take place to move back the phenomenon and reduce bobbin 31 stability in follow-up motion process, to left side pulling motor 36 output shaft through the manual work mode, and the right-hand member reciprocal anchorage with output shaft end and pivot 32 through screw 37, later drive pivot 32 through motor 36 and rotate, pivot 32 drives bobbin 31 synchronous rotation, at this in-process, drive bottom plate 39 through an electronic slider 310 and do left and right reciprocating motion, and then bobbin 31 synchronous motion carries out the shaping of non-woven fabric tube thereupon.
The rear end of the end face of the inner side of the vertical block 33 is provided with an L-shaped plate 331, the front end face of the upper end of the L-shaped plate 331, the upper end face of the lower end of the L-shaped plate 331 and the outer surface of the bobbin 31 are in sliding fit, the lower end of the L-shaped plate 331 is located under the rotating shaft 32, the L-shaped plate 331 can guide and limit the installation of the bobbin 31, workers can rapidly complete the direct connection between the bobbin 31 and the rotating shaft 32 at one time, and meanwhile the L-shaped plate 331 also plays a role in assisting in fixing the bobbin 31.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. The utility model provides a melt blown non-woven fabrics raw materials for production preprocessing technology, it has used a melt blown non-woven fabrics raw materials for production preprocessing device, this melt blown non-woven fabrics raw materials for production preprocessing device includes workstation (1), extrusion mechanism (2) and receiving mechanism (3), its characterized in that: the specific pretreatment process for pretreating the production raw materials of the melt-blown non-woven fabric by adopting the pretreatment device for the production raw materials of the melt-blown non-woven fabric is as follows:
s1, polymer feeding: the polymer is fed into a feeding pipe (27) in a manual mode and enters a reaction kettle (23) along a connecting pipe (26);
s2, melt extrusion: the reaction kettle (23) carries out melting treatment on the polymer, the display controller (25) controls the melting time and the melting temperature, the molten polymer flows downwards into the right end of the extruder (22) through the heat-resistant sieve plate (24), and the molten polymer is extruded towards the forming group (28) through the extruder (22);
s3, fiber formation: in the process of extruding the molten polymer from the extrusion groove at a high speed through the extruder (22), high-temperature hot air is blown into the vent pipe (282) through the blower (283), and the high-speed high-temperature hot air drafts the polymer stream extruded from the extrusion groove to form superfine fibers;
s4, receiving a web: the wire barrel (31) is fixed through the rotating shaft (32) and the L-shaped clamping frame (34), the output shaft end of the motor (36) and the right end of the rotating shaft (32) are fixed through the screw (37), the wire barrel (31) is driven to rotate through the motor (36) and moves left and right in a reciprocating mode through the first electric sliding block (310), and the superfine fibers are condensed on the wire barrel (31) and bonded by the superfine fibers to form non-woven cloth;
the extruding mechanism (2) is installed at the upper end of the workbench (1), the receiving mechanism (3) is arranged on the lower side of the right end of the extruding mechanism (2), and the lower end of the receiving mechanism (3) is installed on the upper end face of the workbench (1) in a sliding fit mode;
the extrusion mechanism (2) comprises a base (21), an extruder (22), a reaction kettle (23), a heat-resistant sieve plate (24), a display controller (25), a connecting pipe (26), a feeding pipe (27) and a forming group (28), the lower end of a base (21) is installed at the left end of the upper end face of a workbench (1), an extruder (22) is installed at the upper end of the base (21), a reaction kettle (23) is installed at the upper end of the middle part of the right end of the extruder (22), a heat-resistant sieve plate (24) is installed at the lower end in the reaction kettle (23), a display controller (25) is installed at the rear end of the reaction kettle (23), a connecting pipe (26) is installed in the middle area of the upper end of the reaction kettle (23) in a thread fit mode, a feeding pipe (27) is installed at the upper end of the connecting pipe (26) in a thread fit mode, and a forming group (28) is installed at the;
the forming group (28) comprises a module (281), a vent pipe (282), a blower (283), a seat (284), a first flat plate (285) and a second flat plate (286), wherein an extrusion groove is formed in the middle of the lower end face of the module (281), vent grooves are symmetrically formed in the front side and the rear side of the extrusion groove, the vent grooves are formed in the lower end face of the module (281), the upper end of the extrusion groove is connected with the lower end of the right end of an extruder (22), the vent pipe (282) is installed at the upper end of the vent groove in a threaded fit mode, the left end of the vent pipe (282) is connected with the upper end of the blower (283), the lower end of the blower (283) is installed at the upper end of the seat (284), the lower end of the seat (284) is installed on the upper end face of the workbench (1), the seat (284) is located on the right side of the base (21), and the first, a second flat plate (286) is arranged on the outer side of the first flat plate (285), and the upper end of the second flat plate (286) is connected with the outer side end of the lower end of the ventilation groove;
the receiving mechanism (3) comprises a wire barrel (31), a rotating shaft (32), a vertical block (33), an L-shaped clamping frame (34), clamping pins (35), a motor (36), a screw (37), a bottom plate (39) and a first electric sliding block (310), wherein the wire barrel (31) is positioned in the middle under a module (281), hole grooves are symmetrically formed in the middles of the left end surface and the right end surface of the wire barrel (31), the rotating shaft (32) is installed in the hole grooves in a sliding fit mode, the vertical block (33) is installed at the outer side end of the rotating shaft (32) in a sliding fit mode, the L-shaped clamping frames (34) are symmetrically installed at the front end and the rear end of the inner side end of the rotating shaft (32), the inner side end of each L-shaped clamping frame (34) is connected with a clamping groove in a sliding fit mode, the clamping groove is formed in the outer side end of the wire barrel (31), a sliding fit mode is formed between the outer side end of each L-shaped clamping frame, bayonet locks (35) are symmetrically installed at the left end and the right end of a rotating shaft (32) in a sliding fit mode, the outer end face of each bayonet lock (35) is attached to the inner end face of a vertical block (33), a motor (36) is arranged right on the right side of a wire barrel (31), an output shaft at the left end of the motor (36) is of a telescopic structure, an output shaft end of the motor (36) is connected with the right end of the rotating shaft (32) at the right end of the wire barrel (31) through a screw (37), the lower end of the motor (36) and the lower end of the vertical block (33) are both installed on the upper end face of a bottom plate (39), a first electric sliding block (310) is installed in the middle of the lower end of the bottom plate (39), the first electric sliding block (310) is installed on the upper end of a workbench (1) in a sliding fit mode, and the lower end face of the bottom.
2. The pretreatment process of a melt-blown nonwoven fabric production raw material according to claim 1, characterized in that: the upper end of the connecting pipe (26) is provided with a circular sealing plate (261) in a sliding fit mode, the middle of the front end of the circular sealing plate (261) is provided with a second electric sliding block (262), the second electric sliding block (262) is installed in a track groove in a sliding fit mode, the track groove is formed in the lower end of the feeding pipe (27), the circular sealing plate (261) and the track groove are in a sliding fit mode, a shaft rod (263) is arranged above the circular sealing plate (261), the lower end of the shaft rod (263) is installed in the middle of the inner bottom wall of the feeding pipe (27) in a sliding fit mode, a partition plate (264) is installed on the shaft rod (263), the partition plates (264) are evenly distributed along the circumferential direction of the shaft rod (263), the lower end face of the partition plate (264) and the inner bottom wall of the feeding pipe (27), the outer end face of the partition plate (264) and the inner side wall of the feeding pipe (27) are in a sliding, no. three electronic slider (265) install the inside wall at inlet pipe (27) through sliding fit.
3. The pretreatment process of a melt-blown nonwoven fabric production raw material according to claim 1, characterized in that: an upper heat insulation pipe (231) is arranged in the middle of the inner upper end face of the reaction kettle (23), a lower heat insulation pipe (232) is arranged in the upper heat insulation pipe (231) in a sliding fit mode, four electric sliders (233) are symmetrically arranged at the upper ends of the front end and the rear end of the lower heat insulation pipe (232), the four electric sliders (233) are arranged on the inner side wall of the upper heat insulation pipe (231) in a sliding fit mode, a telescopic scraper (234) is arranged right behind the lower heat insulation pipe (232), the lower end of the telescopic scraper (234) and the upper end of the heat-resistant sieve plate (24) are in a sliding fit mode, five electric sliders (235) are symmetrically arranged at the left end and the right end of the telescopic scraper (234), the five electric sliders (235) are arranged at the lower end of the inner side wall of the reaction kettle (23) in a sliding fit mode, an inclined through hole, a pipeline (236) is installed in the inclined through hole in a sliding fit mode, a thread fit mode is adopted between the pipeline (236) and the lower end of the front end of the reaction kettle (23), the lower end of the pipeline (236) is connected with the upper end of the rear end of an exhaust fan (237), the lower end of the exhaust fan (237) is installed at the upper end of a seat (284), and the exhaust fan (237) is located on the left side of a blower (283).
4. The pretreatment process of a melt-blown nonwoven fabric production raw material according to claim 1, characterized in that: the hot air through pipe (221) is installed at the right end of the extruder (22), the left end of the hot air through pipe (221) is located on the right side of the lower end of the reaction kettle (23), the lower end of the right end of the hot air through pipe (221) is connected with the upper end face of the module (281), the air conveying pipe (222) is installed at the left end of the lower end of the hot air through pipe (221), and the lower end of the air conveying pipe (222) is installed at the upper end of the blower (283).
5. The pretreatment process of a melt-blown nonwoven fabric production raw material according to claim 1, characterized in that: the rear end of the inner side end face of the vertical block (33) is provided with an L-shaped plate (331), the front end face of the upper end of the L-shaped plate (331), the upper end face of the lower end of the L-shaped plate (331) and the outer surface of the bobbin (31) are in sliding fit, and the lower end of the L-shaped plate (331) is located right below the rotating shaft (32).
6. The pretreatment process of a melt-blown nonwoven fabric production raw material according to claim 1, characterized in that: the upper ends of the first flat plate (285) and the second flat plate (286) are respectively provided with a pin shaft in a sliding fit mode, the pin shafts are arranged at the upper end of the module (281), the front end and the rear end of the upper ends of the first flat plate (285) and the second flat plate (286) are respectively provided with a protruding structure, the outer side ends of the protruding structures are positioned at the outer side of the outer side end of the module (281), push rods (28a) are symmetrically arranged at the left and right ends of the inner side end of the first flat plate (285), six electric sliding blocks (28b) are arranged at the inner side ends of the push rods (28a) in the left and right directions, the six electric sliding blocks (28b) are arranged at the outer side ends of the module (281) in the left and right directions in a sliding fit mode, and the inner side end face of the push rod (28a) in the left-right direction and the outer side end face of the module (281) in the left-right direction are in a sliding fit mode, and push rods (28c) are symmetrically connected between the upper ends of the first flat plate (285) and the second flat plate (286) in the left-right direction.
7. The pretreatment process of a melt-blown nonwoven fabric production raw material according to claim 6, characterized in that: a graduated scale (28d) is arranged above the push rod (28a), the graduated scale (28d) is installed on the outer end face of the module (281) in the front-back direction, and the lower end face of the graduated scale (28d) is in sliding fit with the upper end face of the push rod (28 a).
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| JP4025932B2 (en) * | 1998-02-16 | 2007-12-26 | 大日本インキ化学工業株式会社 | Melt blown nonwoven fabric comprising polyarylene sulfide containing hydrophilic functional group and method for producing the same |
| BR112012022568A2 (en) * | 2010-03-12 | 2016-08-30 | Exxonmobil Chem Patents Inc | method for producing temperature resistant nonwovens |
| CN103015039B (en) * | 2012-12-04 | 2015-02-18 | 江苏六鑫洁净新材料有限公司 | Two-component melt-blown automatic mixing system |
| CN206512389U (en) * | 2017-02-27 | 2017-09-22 | 河南工程学院 | It is meltblown cotton production line |
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Effective date of registration: 20201106 Address after: The town of Jinjiang city of Fujian Province, Quanzhou City, 362000 Chinese packaging printing industry base (Jinjiang) Applicant after: Fujian Zhonglun New Material Technology Co., Ltd Address before: No.16 Xingye street, Xiacheng District, Hangzhou, Zhejiang Province Applicant before: He Mengdan |
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