CN114182384B - Method for converting waste mask into regenerated polypropylene fiber - Google Patents
Method for converting waste mask into regenerated polypropylene fiber Download PDFInfo
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- CN114182384B CN114182384B CN202111527047.XA CN202111527047A CN114182384B CN 114182384 B CN114182384 B CN 114182384B CN 202111527047 A CN202111527047 A CN 202111527047A CN 114182384 B CN114182384 B CN 114182384B
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- Prior art keywords
- mask
- nose clip
- metal strip
- plate
- waste mask
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Classifications
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/44—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds
- D01F6/46—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds of polyolefins
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
Abstract
The invention discloses a method for converting a waste mask into regenerated polypropylene fibers, which comprises the following steps: (1) taking out the metal strip nose clip of the waste mask, placing the waste mask in a 70-80 ℃ for full sterilization for 60-90min, recovering to obtain polypropylene non-woven fabric, then melting for 10-20min at 140-160 ℃, cooling and crushing to obtain polypropylene chip-shaped raw materials, uniformly mixing the recovered polypropylene raw materials, blended fibers and nano toughening filler in advance, preheating in a dryer, adding into a double screw extruder for mixing, and extruding to obtain fiber base liquid by adopting a three-stage heating mode. The invention facilitates the operation of rapidly pulling and separating the metal strip nose clip from the mask through the pulling and separating mechanism and the clamping mechanism, and simultaneously can effectively pull, pull and separate the metal strip nose clip from the lower part of the waste mask, thereby avoiding the need of manually operating the metal strip nose clip, and greatly improving the separating efficiency of the mask and the metal strip nose clip.
Description
Technical Field
The invention relates to the technical field of medical solid waste recycling, in particular to a method for converting a waste mask into regenerated polypropylene fibers.
Background
The mask is generally composed of non-woven fabrics, nose clips and mask belts, wherein the non-woven fabrics are used as the main components, polypropylene (PP) is used as the raw material, and the mask is manufactured by a continuous one-step method of high-temperature melting, spinning, wire laying and hot-pressing coiling, and currently, polypropylene fiber is used as an additive of a building material, so that the cracking resistance and stability of cement, asphalt and accessory products thereof can be greatly improved, the mask is widely applied to the fields of civil construction, walls, foundations, pools, underground engineering, road and bridge engineering and the like, and if the non-woven fabrics in the waste mask are processed into the polypropylene fiber through a specific process, the treatment pressure of waste medical articles can be greatly relieved, and the utilization value of solid wastes can be improved;
however, the existing device for converting the waste mask into the regenerated polypropylene fiber still has defects in the conversion processing process, such as:
1. the method is inconvenient for quickly separating the waste mask from the metal strip nose clip, and particularly when the batch of masks are treated, the efficiency of converting the waste mask into the regenerated polypropylene fibers is seriously reduced;
2. after the waste mask and the metal strip nose clip are separated, the waste mask and the metal strip nose clip are inconvenient to be taken out and collected from equipment manually in the safest operation mode, so that operators can easily cause certain potential safety hazards when operating the waste mask and the metal strip nose clip.
Accordingly, there is a need to provide a method for converting a waste mask into regenerated polypropylene fibers that solves the above-mentioned problems.
Disclosure of Invention
The invention aims to provide a method for converting a waste mask into regenerated polypropylene fibers, which facilitates the operation of rapidly pulling and separating a metal strip nose clip from the mask by pulling and separating the metal strip nose clip and the mask, and simultaneously can effectively pull, pull and separate the metal strip nose clip from the lower part of the waste mask, thereby avoiding the need of manually operating the metal strip nose clip, greatly improving the efficiency of separating the mask from the metal strip nose clip, and solving the problems in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions: a method of converting a waste mask to regenerated polypropylene fibers comprising the steps of: (1) taking out a metal strip nose clip of a waste mask, placing the waste mask in a 70-80 ℃ for full sterilization for 60-90min, recovering to obtain a polypropylene non-woven fabric, then melting for 10-20min at the temperature of 140-160 ℃, cooling and crushing to obtain a polypropylene chip-shaped raw material, uniformly mixing the recovered polypropylene raw material, blended fibers and nano toughening filler in advance, preheating in a dryer, adding into a double screw extruder for mixing, and extruding to obtain a fiber base liquid in a three-stage heating mode;
(2) placing the fiber base liquid into a spinning box body, heating the box body by steam, and enabling melt to flow out through a spinneret plate to form regenerated fiber tows;
(3) cooling, shaping and drying the spun silk bundles to obtain regenerated polypropylene fibers;
(4) putting the regenerated polypropylene fiber into ethanol CH3CH2OH aqueous solution with the concentration of 10%, adding 5-8% of vinyl trimethylsilane (CH 3) 3 SiHCH 2, fully and uniformly dispersing, then adding 5% of tert-butyl hydroperoxide C4H10O2, heating to complete the surface grafting reaction, taking out the fiber after the reaction, removing the residual coupling agent on the fiber surface by using acetone, and drying to obtain the regenerated polypropylene fiber with enhanced interface function;
wherein adopted one kind in step (1) can cut open the non-woven fabrics of abandonment gauze mask metal strip nose clamp outside parcel fast, including the workstation, the output fixedly connected with main shaft through servo motor of workstation below, just the welding of main shaft outside has the revolving plate, revolving plate top swing joint has the swinging plate, just swinging plate top swing joint has the lifter plate, the fixed block has all been welded to lifter plate top left and right sides, just the fixed block top is provided with can cut open the non-woven fabrics of the metal strip nose clamp outside parcel of abandonment gauze mask, and simultaneously carries out the fixed separating mechanism of pulling to the metal strip nose clamp, pull separating mechanism including setting up the movable rod in the fixed block inboard, just the movable rod has the chuck through inboard welding, the movable rod outside is fixed with the loop bar, just the inboard threaded connection of loop bar has the screw axis, the lifter plate left and right sides is provided with the fixture that can carry out the centre gripping to the abandonment gauze mask region that is close to the metal strip nose clamp, just the fixture includes and is in through the bearing connection the first gear of workstation top inboard, the left side has the welding of the side has the side of work to take out the side transmission piece, the welding has the side of the work has the fine gauge strip to take out the side, the welding is provided with the centre gripping mechanism.
Preferably, the regenerated fiber adopts a silane coupling agent grafting modification treatment mode.
Preferably, the silane coupling agent is vinyltrimethylsilane (CH 3) 3 SiHCH 2, and ethanol CH3CH2OH aqueous solution with the concentration of 10% is used as a dispersion medium, and tert-butyl hydroperoxide C4H10O2 is used as an initiator.
Preferably, the right side top welding that is close to the workstation central line has the fixed plate, just the draw-in groove has been seted up to the fixed plate inboard, the arc wall has been seted up to the rear side in the middle of the fixed plate, and the design of above-mentioned structure can carry out the block with abandonment gauze mask through the draw-in groove and correct.
Preferably, the boss is welded in front of the swing plate, and the design of the structure can effectively drive the boss to squeeze and move the rack plate through the action of the left and right swing of the swing plate.
Preferably, the rolling mechanism comprises a rack plate clamped inside the right side of the square steel, a second transmission gear is meshed in front of the rack plate, a driven shaft is welded on the inner side of the second transmission gear, a rotary drum is fixed on the outer side of the upper portion of the driven shaft, a brush is installed on one side of the rotary drum close to the mask, and the design of the structure can effectively roll the processed waste mask away from the thin rod through rotation of the brush.
Preferably, the square steel and the rack plate are matched with a hidden spring to form a telescopic structure, and the second transmission gear can be effectively driven to rotate by sliding the rack plate left and right through the design of the structure.
Preferably, the right end of the rack plate and the boss form a collision extrusion structure, and the rack plate can be effectively driven to slide left and right in cooperation with the spring through the left and right swinging of the boss in the design of the structure.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the pulling and separating mechanism is arranged, the movable rods, the chucks, the loop bars and the screw shafts on the left side and the right side can move downwards simultaneously under the action of the lifting plates, the screw shafts are matched with the roller wheels and the arc-shaped groove tracks at the tail ends of the screw shafts to perform the action of constant force extrusion on the plane far away from the root parts of the arc-shaped grooves, so that the screw shafts drive the loop bars to rotate, the corresponding movable rods and the blade-shaped chucks are simultaneously turned inwards under the action of the screw shaft threads on the left side and the right side, the mask metal strip nose clips exposed on the left side of the clamping grooves can be clamped, and the mask cloth wrapped on the outer sides of the mask metal strip nose clips can be cut through the blade-shaped chucks, so that the metal strip nose clips are just clamped on the inner sides of grooves of the chucks, and the rapid pulling and separating operation of the metal strip nose clips and the mask is facilitated;
2. according to the invention, the clamping mechanism is arranged, the racks on the left side and the right side are effectively matched to drive the corresponding first transmission gears, the clamping walls, the clamping blocks, the through holes and the thin rods on the left side and the right side to simultaneously rotate inwards, so that the upper region of the mask is matched with the thin rods and the through holes to be fixed on the inner sides of the two clamping blocks, and the metal strip nose clip is fixed by the pulling separating mechanism matched with the downward moving force of the lifting plate, so that the metal strip nose clip can be effectively pulled, pulled and separated from the lower part of the waste mask;
3. according to the invention, the rolling-out mechanism is arranged, the action of swinging the swinging plate and the boss to the other side is utilized, and the boss can be used for extruding, impacting and moving the rack plate to the rear side by matching square steel and the reset spring at the inner side of the rack plate, so that the second transmission gear, the driven shaft, the rotary drum and the hairbrush can be driven to rotate simultaneously, and the mask for drawing out the metal strip nose clip can be effectively rolled out from the outer side of the slender rod to the other side and separated from the slender rod by utilizing the rotating action of the hairbrush, so that an operator can collect and process the mask conveniently, meanwhile, the safety accident caused by the fact that hands touch the slender rod position is avoided, and the overall safety is improved.
Drawings
FIG. 1 is a schematic view of a method for converting a waste mask into recycled polypropylene fibers according to a preferred embodiment of the present invention;
FIG. 2 is a schematic view of the mounting structure of the lifter plate and the first transmission gear shown in FIG. 1;
FIG. 3 is an enlarged schematic view of the structure shown in FIG. 2 at A;
FIG. 4 is a schematic view of the mounting structure of the swing plate and the boss shown in FIG. 1;
fig. 5 is an enlarged schematic view of the structure at B shown in fig. 4.
In the figure: 1. a work table; 101. a fixing plate; 102. a clamping groove; 103. an arc-shaped groove; 2. a main shaft; 3. a rotating plate; 4. a swinging plate; 401. a boss; 5. a lifting plate; 6. a fixed block; 7. pulling the separating mechanism; 701. a movable rod; 702. a chuck; 703. a loop bar; 704. a screw shaft; 8. a clamping mechanism; 801. a first transmission gear; 802. a clamping wall; 803. a clamping block; 804. a through hole; 805. a thin rod; 9. square steel; 10. a rolling-out mechanism; 1001. rack plate; 1002. a second transmission gear; 1003. a driven shaft; 1004. a rotating drum; 1005. a brush.
Description of the embodiments
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-5, an embodiment of the present invention is provided: a method of converting a waste mask to regenerated polypropylene fibers comprising the steps of: (1) taking out a metal strip nose clip of a waste mask, placing the waste mask in a 70-80 ℃ for full sterilization for 60-90min, recovering to obtain a polypropylene non-woven fabric, then melting for 10-20min at the temperature of 140-160 ℃, cooling and crushing to obtain a polypropylene chip-shaped raw material, uniformly mixing the recovered polypropylene raw material, blended fibers and nano toughening filler in advance, preheating in a dryer, adding into a double screw extruder for mixing, and extruding to obtain a fiber base liquid in a three-stage heating mode;
(2) placing the fiber base liquid into a spinning box body, heating the box body by steam, and enabling melt to flow out through a spinneret plate to form regenerated fiber tows;
(3) cooling, shaping and drying the spun silk bundles to obtain regenerated polypropylene fibers;
(4) putting the regenerated polypropylene fiber into ethanol CH3CH2OH aqueous solution with the concentration of 10%, adding 5-8% of vinyl trimethylsilane (CH 3) 3 SiHCH 2, fully and uniformly dispersing, then adding 5% of tert-butyl hydroperoxide C4H10O2, heating to complete the surface grafting reaction, taking out the fiber after the reaction, removing the residual coupling agent on the fiber surface by using acetone, and drying to obtain the regenerated polypropylene fiber with enhanced interface function;
the regenerated fiber adopts a silane coupling agent grafting modification treatment mode, wherein the silane coupling agent is vinyltrimethylsilane (CH 3) 3 SiHCH 2, an ethanol CH3CH2OH aqueous solution with the concentration of 10% is used as a dispersion medium, and tert-butyl hydroperoxide C4H10O2 is used as an initiator.
Wherein, in the step (1), an automatic separating device for a metal strip nose clip of a waste mask is adopted, which comprises a workbench 1, a fixed plate 101, a clamping groove 102, an arc groove 103, a main shaft 2, a rotating plate 3, a swinging plate 4, a boss 401, a lifting plate 5, a fixed block 6, a pulling separating mechanism 7, a movable rod 701, a chuck 702, a loop bar 703, a screw shaft 704, a clamping mechanism 8, a first transmission gear 801, a clamping wall 802, a clamping block 803, a through hole 804, a thin rod 805, a square steel 9, a rolling-out mechanism 10, a rack plate 1001, a second transmission gear 1002, a driven shaft 1003, a rotary drum 1004 and a brush 1005, wherein, the lower part of the workbench 1 is fixedly connected with the main shaft 2 through the output end of a servo motor, and the outside welding of main shaft 2 has the revolving plate 3, and the activity of revolving plate 3 top articulates there is swinging plate 4, and swinging plate 4 top activity articulates there is lifter plate 5, lifter plate 5 top left and right sides has all welded fixed block 6, and fixed block 6 top is provided with and cuts the non-woven fabrics that the metal strip nose clamp outside parcel of abandonment gauze mask, and carry out the fixed separating mechanism 7 that pulls of centre gripping to the metal strip nose clamp simultaneously, lifter plate 5 left and right sides is provided with the fixture 8 that can carry out the centre gripping to the abandonment gauze mask region that is close to the metal strip nose clamp, workstation 1 below left side welding has square steel 9, and workstation 1 top is provided with the quick play mechanism 10 of taking out of abandonment gauze mask that takes out the metal strip nose clamp.
Examples
Referring to fig. 1-3, a fixed plate 101 is welded above the right side close to the center line of a workbench 1, a clamping groove 102 is formed on the inner side of the fixed plate 101, an arc groove 103 is formed on the rear side in the middle of the fixed plate 101, a boss 401 is welded in front of a swinging plate 4, a pulling and separating mechanism 7 comprises a movable rod 701 arranged on the inner side of a fixed block 6, a chuck 702 is welded on the inner side of the movable rod 701, a sleeve rod 703 is fixed on the outer side of the movable rod 701, a screw shaft 704 is connected on the inner side of the sleeve rod 703 in a threaded manner, a servo motor below the workbench 1 is started to drive a main shaft 2 to rotate, the rotating plate 3 is driven to rotate, the swinging plate 4 and the boss 401 movably hinged above the rotating plate 3 can swing left and right, the lifting plate 5 can be driven to move up and down under the action of the clamping head 702, the sleeve rod 703 and the screw shaft 704 on the left and right sides can be driven to move down simultaneously, when the screw shaft 704 moves downwards, the screw shaft 704 moves backwards in the sleeve rod 703 by being matched with the track of the arc-shaped groove 103 recessed on the left side of the fixing plate 101 above the workbench 1 and the plane far away from the root of the arc-shaped groove 103, the screw shaft 704 is in threaded connection with the inner side of the sleeve rod 703, the sleeve rod 703 rotates by being matched with the fixing block 6, the screw direction of the screw shaft 704 on the left side is opposite to the screw direction of the screw shaft 704 on the right side, the sleeve rod 703 drives the corresponding movable rod 701 and the knife-shaped clamping head 702 to simultaneously turn inwards, so that the mask metal strip nose clip exposed on the left side of the clamping groove 102 can be clamped, and simultaneously, the mask cloth wrapped outside the mask metal strip nose clip can be cut through the knife-shaped clamping head 702, the metal strip nose clip is just clamped and arranged at the inner side of the groove of the clamping head 702, so that the rapid pulling and separating operation of the metal strip nose clip and the mask is facilitated.
Examples
Referring to fig. 1 to 3, unlike embodiment 1, the following are adopted: the fixture 8 includes the first drive gear 801 of connecting in workstation 1 top inboard through the axostylus axostyle bearing, first drive gear 801 has centre gripping wall 802 through the axostylus axostyle welding, and two centre gripping wall 802 top inboard welding have centre gripping piece 803, the through-hole 804 has been seted up to the centre gripping piece 803 inboard on right side, the fine rod 805 has been seted up in the centre gripping piece 803 outside on left side, when lifter plate 5 moves down, can also cooperate the rack drive left and right sides first drive gear 801 that the corresponding meshing in left and right sides simultaneously inwards rotate, and drive centre gripping wall 802, centre gripping piece 803, through-hole 804 and fine rod 805 inwards overturn simultaneously, through centre gripping piece 803, through-hole 804 and the effect of fine rod 805 inwards upset simultaneously, can make gauze mask top region cooperate fine rod 805 and through-hole 804 to be fixed in centre gripping piece 803 inboard, then utilize the effective pair of metal strip nose clamp of pulling separation mechanism 7 cooperation lifter plate 5 downwardly moving from abandoning the below.
Examples
Referring to fig. 1 and fig. 4 to 5, unlike embodiment 2, the following is adopted: the roll-out mechanism 10 comprises a rack plate 1001 clamped inside the right side of a square steel 9, a second transmission gear 1002 is meshed in front of the rack plate 1001, a driven shaft 1003 is welded on the inner side of the second transmission gear 1002, a rotary drum 1004 is fixed on the outer side above the driven shaft 1003, a brush 1005 is installed on one side of the rotary drum 1004 close to a mask, the square steel 9 and the rack plate 1001 are matched with a hidden spring to form a telescopic structure, the right end of the rack plate 1001 and a boss 401 form a collision extrusion structure, when the mask is separated from a metal strip nose clip, the swinging plate 4 and the boss 401 are utilized to swing to the other side at the moment, the rack plate 1001 can be matched with the square steel 9 and a reset spring on the inner side of the square steel through the boss 401 to carry out extrusion impact, and when the rack plate 1001 is extruded to the left side to move, the second transmission gear 1002, the driven shaft 1003, the rotary drum 1004 and the brush 1005 can be driven by the action of rotating the brush 1005, the mask for effectively pushing out the extracted metal strip nose clip from the outer side of the mask to the other side of the thin rod 805 and separating the mask from the other side, so that an operator can collect the mask and process the mask, and meanwhile, the accident of the safety bar 805 is avoided when the operator contacts with a hand is located.
Working principle: as shown in fig. 1-3, the recovered mask is placed beside the device, then the waste mask is intermittently placed in the square clamping groove 102 on the inner side of the fixed plate 101 by a worker, the clamping groove 102 not only can level and correct the mask, but also plays a certain role in fixing, the metal strip nose clip above the mask is required to be directed to the lower side of the clamping groove 102, two thirds of the area of the metal strip nose clip is exposed on the left side of the clamping groove 102, then the servo motor below the workbench 1 is started to drive the spindle 2 to rotate, the rotating plate 3 is driven to rotate, the swing plate 4 and the boss 401 movably hinged above the rotating plate 3 can swing left and right, the lifting plate 5 can be driven to move up and down under the action of the servo motor, and when the lifting plate 5 moves down, the movable rods 701, the clamping heads 702, the loop bars 703 and the screw shafts 704 on the left and right sides can be driven to move down simultaneously, when the screw shaft 704 moves downwards, the screw shaft 704 moves backwards in the sleeve rod 703 by being matched with the track of the arc-shaped groove 103 recessed on the left side of the fixing plate 101 above the workbench 1 and the plane far away from the root of the arc-shaped groove 103, the screw shaft 704 is in threaded connection with the inner side of the sleeve rod 703, the sleeve rod 703 rotates by being matched with the fixing block 6, the screw direction of the screw shaft 704 on the left side is opposite to the screw direction of the screw shaft 704 on the right side, the sleeve rod 703 drives the corresponding movable rod 701 and the knife-shaped clamping head 702 to simultaneously turn inwards, so that the mask metal strip nose clip exposed on the left side of the clamping groove 102 can be clamped, and simultaneously, the mask cloth wrapped outside the mask metal strip nose clip can be cut through the knife-shaped clamping head 702, the metal strip nose clip is just clamped and arranged at the inner side of the groove of the chuck 702, so that the rapid pulling and separating operation of the metal strip nose clip and the mask is facilitated;
as shown in fig. 1-3, when the lifting plate 5 moves downwards, the lifting plate can be matched with racks on the left side and the right side to drive the first transmission gears 801 which are correspondingly meshed on the left side and the right side to simultaneously rotate inwards, and simultaneously drive the clamping wall 802, the clamping block 803, the through hole 804 and the thin rod 805 to turn inwards, through the effect that the clamping block 803, the through hole 804 and the thin rod 805 turn inwards simultaneously, the upper region of the mask is matched with the thin rod 805 and the through hole 804 to be fixed on the inner side of the clamping block 803, and then the metal strip nose clip is effectively pulled, pulled and separated from the lower side of the waste mask by the force of the lifting plate 5 by utilizing the pulling and separating mechanism 7, and the structure can be used for rapidly separating the waste mask from the metal strip nose clip below through mechanical automation, so that manual operation is avoided, and the separation efficiency of the mask and the metal strip nose clip is greatly improved.
As shown in fig. 1 and fig. 4-5, after the mask is separated from the metal strip nose clip, the action of swinging the swinging plate 4 and the boss 401 towards the other side is utilized at this time, the rack plate 1001 can be matched with the square steel 9 and the reset spring at the inner side of the square steel to be extruded and impacted through the boss 401, and when the rack plate 1001 is extruded and moved towards the left side, the second transmission gear 1002, the driven shaft 1003, the rotary drum 1004 and the brush 1005 can be driven to rotate simultaneously, and the mask for extracting the metal strip nose clip can be effectively pushed out from the outer side of the thin rod 805 to the other side and separated from the thin rod by utilizing the action of the rotation of the brush 1005, so that an operator can conveniently collect and process the mask, and meanwhile, the safety accident caused by the contact of the hand with the thin rod 805 is avoided.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. A method for converting a waste mask into regenerated polypropylene fibers, which is characterized by comprising the following steps: the method comprises the following steps: (1) taking out a metal strip nose clip of a waste mask, placing the waste mask in a 70-80 ℃ for full sterilization for 60-90min, recovering to obtain a polypropylene non-woven fabric, then melting for 10-20min at the temperature of 140-160 ℃, cooling and crushing to obtain a polypropylene chip-shaped raw material, uniformly mixing the recovered polypropylene raw material, blended fibers and nano toughening filler in advance, preheating in a dryer, adding into a double screw extruder for mixing, and extruding to obtain a fiber base liquid in a three-stage heating mode;
(2) placing the fiber base liquid into a spinning box body, heating the box body by steam, and enabling melt to flow out through a spinneret plate to form regenerated fiber tows;
(3) cooling, shaping and drying the spun silk bundles to obtain regenerated polypropylene fibers;
(4) putting the regenerated polypropylene fiber into ethanol CH3CH2OH aqueous solution with the concentration of 10%, adding 5-8% of vinyl trimethylsilane (CH 3) 3 SiHCH 2, fully and uniformly dispersing, then adding 5% of tert-butyl hydroperoxide C4H10O2, heating to complete the surface grafting reaction, taking out the fiber after the reaction, removing the residual coupling agent on the fiber surface by using acetone, and drying to obtain the regenerated polypropylene fiber with enhanced interface function;
wherein the step (1) adopts an automatic nose clip separating device capable of rapidly separating metal strips of a waste mask, the automatic nose clip separating device comprises a workbench (1), a main shaft (2) is fixedly connected to the lower side of the workbench (1) through the output end of a servo motor, a rotating plate (3) is welded on the outer side of the main shaft (2), a swinging plate (4) is movably hinged above the rotating plate (3), a lifting plate (5) is movably hinged above the swinging plate (4), fixing blocks (6) are welded on the left side and the right side of the upper side of the lifting plate (5), a non-woven fabric capable of wrapping the outer side of the metal strips of the waste mask is arranged above the fixing blocks (6), a pulling separating mechanism (7) capable of clamping and fixing the metal strips of the nose clip is arranged at the same time, the pulling separating mechanism (7) comprises a movable rod (701) arranged on the inner side of the fixing blocks (6), a chuck (702) is welded on the inner side of the movable rod, a sleeve rod (703) is fixed on the outer side of the movable rod (701) through the inner side, a sleeve rod (703) is welded on the left side of the movable rod, the inner side of the movable rod (701), the sleeve rod (703) is connected with a screw rod (704), a screw rod (704) is connected with a transmission mechanism (8) and the two sides of the nose clip is arranged on the upper side of the workbench (8) through a clamping mechanism (8), the utility model discloses a metal strip nose clip is characterized by comprising a first transmission gear (801), a second transmission gear (801), a first metal strip nose clip and a second metal strip nose clip, wherein the first transmission gear is welded with a clamping wall (802) through a shaft rod, two clamping blocks (803) are welded on the inner side above the clamping wall (802), through holes (804) are formed in the inner side of the clamping blocks (803) on the right side, a thin rod (805) is welded on the outer side of the clamping blocks (803) on the left side, square steel (9) is welded on the left side below a workbench (1), and a rolling mechanism (10) capable of rapidly taking out a waste mask for drawing out the metal strip nose clip is arranged above the workbench (1).
2. A method of converting a waste mask into recycled polypropylene fibers according to claim 1, wherein: the right side top welding of workstation (1) central line has fixed plate (101), just draw-in groove (102) have been seted up to fixed plate (101) inboard, arc wall (103) have been seted up to fixed plate (101) middle rear side.
3. A method of converting a waste mask into recycled polypropylene fibers according to claim 1, wherein: a boss (401) is welded in front of the swinging plate (4).
4. A method of converting a waste mask into recycled polypropylene fibers according to claim 3, wherein: the rolling mechanism (10) comprises a rack plate (1001) clamped inside the right side of the square steel (9), a second transmission gear (1002) is meshed in front of the rack plate (1001), a driven shaft (1003) is welded on the inner side of the second transmission gear (1002), a rotary drum (1004) is fixed on the outer side of the upper portion of the driven shaft (1003), and a hairbrush (1005) is installed on one side of the rotary drum (1004) close to the mask.
5. The method of converting a waste mask to recycled polypropylene fiber of claim 4, wherein: the square steel (9) and the rack plate (1001) are matched with hidden springs to form a telescopic structure.
6. A method of converting a waste mask into recycled polypropylene fiber according to claim 5, wherein: the right end of the rack plate (1001) and the boss (401) form a collision extrusion structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111527047.XA CN114182384B (en) | 2021-12-14 | 2021-12-14 | Method for converting waste mask into regenerated polypropylene fiber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4040167A1 (en) * | 1990-12-15 | 1992-06-17 | Wiro Maschinentechnik Gmbh | Machine to cut plastic blocks with wires - uses sets of wires mounted taut on oscillating frames, and if it detects wire with flaw it automatically removes material and replaces frame |
| CN111531071A (en) * | 2020-04-13 | 2020-08-14 | 新昌县城关新胜轴承厂 | Heating type clamping and straightening mechanism for waste reinforcing steel bars of building |
| CN111591631A (en) * | 2020-06-23 | 2020-08-28 | 嘉兴学院 | Waste mask recovery processing method and device |
| CN214594298U (en) * | 2020-12-07 | 2021-11-05 | 苏州新棋周自动化科技有限公司 | Nose clip material conveying device of mask machine |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5060702B2 (en) * | 2002-07-12 | 2012-10-31 | 積水成型工業株式会社 | Face mask nose clip and face mask |
| US10898902B2 (en) * | 2017-12-20 | 2021-01-26 | Taiyuan University Of Science And Technology | Production line for recycling and processing waste materials of steel rolling |
| DE202020102612U1 (en) * | 2020-05-08 | 2021-05-11 | Gebr. Achter GmbH & Co. KG | Face mask |
| CN111732787A (en) * | 2020-06-22 | 2020-10-02 | 江苏理工学院 | Polypropylene-based composite material entirely derived from waste and preparation method thereof |
| CN111957717B (en) * | 2020-07-31 | 2021-09-03 | 青岛大学附属医院 | Abandonment gauze mask processing apparatus based on environmental protection |
| CN111975571A (en) * | 2020-09-03 | 2020-11-24 | 浙江明铖金属科技有限公司 | Metal surface peeling and wire drawing device |
| CN112124818A (en) * | 2020-09-25 | 2020-12-25 | 武汉荣霞针织有限公司 | Disposable mask recovery device |
| CN214183467U (en) * | 2020-12-04 | 2021-09-14 | 深圳市和力泰精密科技有限公司 | Abandonment cloth recovery unit of gauze mask machine |
| CN112474754A (en) * | 2021-01-06 | 2021-03-12 | 南京慧鑫楠贸易有限公司 | Device for automatically stripping mask and nose bridge rib and recovering nose bridge rib |
| CN112864960B (en) * | 2021-01-20 | 2022-09-13 | 龙岩市富鑫达电子制造有限公司 | Automatic continuous cable stripping and separating device and method |
-
2021
- 2021-12-14 CN CN202111527047.XA patent/CN114182384B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4040167A1 (en) * | 1990-12-15 | 1992-06-17 | Wiro Maschinentechnik Gmbh | Machine to cut plastic blocks with wires - uses sets of wires mounted taut on oscillating frames, and if it detects wire with flaw it automatically removes material and replaces frame |
| CN111531071A (en) * | 2020-04-13 | 2020-08-14 | 新昌县城关新胜轴承厂 | Heating type clamping and straightening mechanism for waste reinforcing steel bars of building |
| CN111591631A (en) * | 2020-06-23 | 2020-08-28 | 嘉兴学院 | Waste mask recovery processing method and device |
| CN214594298U (en) * | 2020-12-07 | 2021-11-05 | 苏州新棋周自动化科技有限公司 | Nose clip material conveying device of mask machine |
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