CN109262936B - Method for increasing fragrance of polyurethane foaming product - Google Patents
Method for increasing fragrance of polyurethane foaming product Download PDFInfo
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- CN109262936B CN109262936B CN201811051206.1A CN201811051206A CN109262936B CN 109262936 B CN109262936 B CN 109262936B CN 201811051206 A CN201811051206 A CN 201811051206A CN 109262936 B CN109262936 B CN 109262936B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
- B29C44/04—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles consisting of at least two parts of chemically or physically different materials, e.g. having different densities
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/3442—Mixing, kneading or conveying the foamable material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2075/00—Use of PU, i.e. polyureas or polyurethanes or derivatives thereof, as moulding material
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Abstract
The invention belongs to the technical field of polyurethane foaming products, and particularly relates to a method for increasing the fragrance of a polyurethane foaming product; the method comprises the following steps: preparing basic raw materials of a polyurethane foaming raw material, adding essence which is crushed into powder into the polyurethane foaming raw material, and preliminarily mixing to obtain a foaming mixture; putting the obtained foaming mixture into a polyurethane foaming machine to be fully mixed and foamed; introducing fragrance into the polyurethane foaming machine, so that the fragrance enters the polyurethane foaming machine to foam together with the foaming mixture, and the foam in the foaming mixture is full of the fragrance; after the foaming mixture is foamed, making a product by using the foamed product; according to the invention, the powdery essence is added into the polyurethane foaming raw material, so that the prepared polyurethane foaming product has fragrance; fragrance is introduced into the polyurethane foaming machine, so that the fragrance enters the polyurethane foaming machine and is foamed together with the foaming mixture, and the prepared polyurethane foaming product has fragrance.
Description
Technical Field
The invention belongs to the technical field of polyurethane foaming products, and particularly relates to a method for increasing the fragrance of a polyurethane foaming product.
Background
The rigid polyurethane foam is a high molecular polymer prepared by mixing isocyanate and polyether serving as main raw materials through special equipment under the action of various auxiliary agents such as a foaming agent, a catalyst, a flame retardant and the like and performing high-pressure spraying and on-site foaming. Polyurethane has both soft and hard foams. The soft bubbles are in an open pore structure, and the hard bubbles are in a closed pore structure; soft foams are classified into skinned and non-skinned.
The primary function of the polyurethane soft foam is cushioning. Polyurethane flexible foams are commonly used in sofa furniture, pillows, cushions, toys, apparel and sound insulation liners. The polyurethane hard foam is a novel synthetic material with heat preservation and waterproof functions, has low heat conductivity coefficient, and is the lowest heat conductivity coefficient of all the heat preservation materials at present. The hard polyurethane foam plastic is mainly applied to heat preservation of building outer walls, integration of roof waterproof and heat preservation, heat preservation and heat insulation of refrigerators, pipeline heat preservation materials, building boards, refrigerated trucks, cold storage heat insulation materials and the like.
Along with the improvement of living standard of people, the requirement of people on the comfort level of products used in life is higher and higher. However, the polyurethane sponge has a more or less pungent odor of chemical materials, part of the odor is the odor of ammonia gas, and the odor can stimulate people using the polyurethane foam product and affect the comfort level of people, so that how to change the odor emitted from the polyurethane foam product and improve the comfort level of people using the polyurethane foam product.
Disclosure of Invention
In order to make up for the defects of the prior art, the invention provides a method for increasing the fragrance of a polyurethane foaming product, and aims to reduce the peculiar smell on the polyurethane foaming product and make the polyurethane foaming product have the fragrance. According to the invention, the powdery essence is added into the polyurethane foaming raw material, so that the prepared polyurethane foaming product has fragrance; the fragrance is introduced into the polyurethane foaming machine, so that the elastic air bags I and II suck the fragrance, the fragrance is brought into the foaming box, the fragrance enters the polyurethane foaming machine and is foamed together with the foaming mixture, and the prepared polyurethane foaming product has fragrance.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a method for increasing the fragrance of a polyurethane foaming product, which comprises the following steps:
s1: preparing basic raw materials of a polyurethane foaming raw material, adding essence which is crushed into powder into the polyurethane foaming raw material, and preliminarily mixing to obtain a foaming mixture; the fragrance is one of lavender fragrance, sweet osmanthus fragrance, jasmine fragrance, orchid fragrance, rose fragrance, fruit fragrance and essential balm fragrance;
s2: the foaming mixture obtained in the step S1 is put into a polyurethane foaming machine to be fully mixed and foamed;
s3: when S3 starts to foam the foaming mixture, fragrance is introduced into the polyurethane foaming machine, so that the elastic air bags I and II suck the fragrance, the fragrance is brought into the foaming box, the fragrance enters the polyurethane foaming machine to foam together with the foaming mixture, and the foam in the foaming mixture is full of the fragrance; when the aroma is not in conflict with the aroma of the essence, the aroma can be different from the aroma of the essence, and when the aroma is in conflict with the aroma of the essence, namely the aroma is mixed with the aroma of the essence and then smells difficultly, the aroma needs to be changed to be the same as the aroma of the essence, wherein the aroma is one of lavender aroma, osmanthus fragrans aroma, jasmine aroma, orchid aroma, rose aroma, fruit aroma and essential balm;
s4: after the foaming of the foaming mixture is finished in S3, making a product by using a foamed product; the product is a spongy cushion or a sofa cushion or a heat-insulating layer in clothes and the like, so that the product has fragrance; when the prepared product has slight ammonia odor, soda water can be selected to spray the product in a spray form, so that the ammonia odor on the product can be eliminated;
the polyurethane foaming machine in the steps S2 and S3 comprises a foaming box, a feeding hole, a discharging hole, a motor, a fixing piece, a main driving module, an elastic stirring module, a blowing module and a mixing foaming module, wherein the cross section of the interior of the foaming box is elliptical; the two feeding holes are symmetrically arranged at the upper end of the foaming box; the motor is fixed in the center of the upper end of the foaming box through a fixing piece; the main driving module is positioned at the lower end of the motor and is fixedly connected with the motor, and the main driving module is used for intermittently sucking and extruding the foaming mixture to fully mix the foaming mixture; the elastic stirring module is fixed at the upper part of the main driving module and is used for extruding the blowing module and foaming and mixing the foaming mixture in the foaming box; the blowing module is arranged on the inner wall of the foaming box and blows fragrance into the foaming box under the action of the elastic stirring module; the mixing and foaming module is arranged at the lower part of the main driving module and is used for extruding, mixing, stirring and mixing the foaming mixture again; wherein the content of the first and second substances,
the main driving module comprises a hollow air shaft, a hollow shaft sleeve, a cam, an elastic air bag I, a hollow cylinder, a one-way vent plate and a rotating shaft, and the motor comprises a motor shaft; one end of the hollow air shaft is positioned in the foaming box, the other end of the hollow air shaft is positioned outside the foaming box, the hollow air shaft is fixedly connected with a motor shaft, and a first air hole is formed in the surface of the hollow air shaft at one end, positioned outside the foaming box; the hollow shaft sleeve is sleeved on the hollow air shaft, the hollow shaft sleeve and the outer wall of the foaming box enclose a closed space, and the closed space is communicated with the hollow air shaft through an air hole I; the first elastic air bag is fixed on the inner wall of the fixing piece, and the first elastic air bag is intermittently compressed to convey air to the closed space; the cam is arranged on the motor shaft, and the cam intermittently extrudes the first elastic air bag along with the rotation of the motor shaft so that the first elastic air bag intermittently transmits air to the hollow air shaft; the one-way ventilation plate is arranged in the hollow cylinder, the one-way ventilation plate is fixedly connected with the inner wall of the hollow cylinder, the one-way air valve I is arranged on the one-way ventilation plate, one-way ventilation is realized by the one-way ventilation plate through the one-way air valve I, meanwhile, the one-way ventilation plate is provided with an air suction hole, and the air suction amount of the air suction hole in unit time is smaller than the air outlet amount of the one-way air valve I; the first one-way air valve is used for enabling the fragrance at the upper part of the hollow cylinder to enter the lower part of the hollow cylinder through the one-way vent plate in a one-way mode; one end of the rotating shaft is fixed on the one-way ventilating plate, and the other end of the rotating shaft extends out of the hollow cylinder; the hollow cylinder is fixed at the lower end of the hollow air shaft and communicated with the hollow air shaft, and a plurality of feeding holes I are arranged on the hollow cylinder; the first feeding hole is the lower end of the one-way ventilating plate. When the foaming machine works, the motor is started, the foaming mixture is put in from the feeding hole, the foaming mixture firstly passes through the main driving module and is intercepted by the elastic stirring module, the motor drives the cam to rotate, the cam intermittently extrudes the elastic air bag I, so that the fragrance in the elastic air bag I reaches the hollow cylinder through the closed space and the hollow air shaft, the fragrance at the upper part of the hollow cylinder is compressed, the fragrance at the upper part of the hollow cylinder is enabled to enter the lower part of the hollow cylinder through the one-way ventilating plate in one way, the air pressure at the lower part of the hollow cylinder is increased, the fragrance is discharged out of the hollow cylinder, when the foaming mixture reaches the lower part of the hollow cylinder through the elastic stirring module, the compressed elastic air bag I enables the upper part of the hollow cylinder to generate negative pressure when the compressed elastic air bag I recovers, the lower part of the hollow cylinder generates, the elastic air bag inputs fragrance into the hollow cylinder, so that the foaming mixture in the hollow cylinder is discharged, and the mixing and stirring of the foaming mixture are promoted in the process that the foaming mixture is sucked into and discharged from the hollow cylinder.
The elastic stirring module comprises a semicircular baffle I, a telescopic rod, a fixed sleeve and a spring I; the first semicircular separation blades are provided with two first through holes uniformly, the first semicircular separation blades are connected through a telescopic rod, and the first semicircular separation blades extrude the air blowing module to blow air when the telescopic rod is extended; the fixing sleeve is fixed on the cylindrical surface of the hollow cylinder and is elastically connected with the semicircular baffle plate I through a spring I; a second feeding hole is formed in the telescopic rod; and the second feeding hole is used for enabling the foaming mixture to continuously enter and exit the telescopic rod when the telescopic rod stretches back and forth. When the foaming machine works, the motor drives the hollow cylinder to rotate, the hollow cylinder drives the semicircular separation blade to rotate through the spring, preliminary stirring of a pair of foaming mixtures by the semicircular separation blade is realized, the semicircular separation blade is enabled to intermittently extrude the blowing module when the semicircular separation blade rotates due to the fact that the interior of the foaming box is oval, the blowing module blows air into the foaming box, foaming of the foaming mixtures in the foaming box is promoted, the foaming mixtures gradually flow downwards from the material through hole on the semicircular separation blade, the foaming mixtures are dispersed by the material through hole for a while, and fragrance can be favorably fed into the foaming mixtures for foaming; meanwhile, in the telescopic rod stretching process, part of the foaming mixture enters and exits in the telescopic rod through the feeding hole II, so that the foaming of the foaming mixture is facilitated, and the foaming effect and the foaming efficiency of the foaming mixture are improved.
The blowing module comprises an elastic air bag II, a one-way air valve III, elastic waterproof cloth and a rigid plate, wherein the elastic waterproof cloth is positioned beside the side wall of the foaming box, and the elastic waterproof cloth and the inner wall of the foaming box enclose to form an annular space; in the two annular spaces of the elastic air bag, the second elastic air bag is compressed to blow air into the foaming box; the rigid plates are embedded in the elastic waterproof cloth, at least ten rigid plates are arranged, and the rigid plates are used for supporting the elastic waterproof cloth to enable the elastic waterproof cloth to seal the annular space; the one-way air valve II is fixed on the inner wall of the foaming box and used for enabling fragrance outside the foaming box to enter the elastic air bag II in one way; the one-way air valve III is fixed on the elastic waterproof cloth and used for enabling fragrance in the compressed elastic air bag II to pass through the elastic waterproof cloth in one way and enter the foaming box. During operation, elasticity stirring module intermittent type extrudees elasticity waterproof cloth, make the rigid plate also extruded by elasticity stirring module, the rigid plate is extruded on elasticity gasbag two, make elasticity gasbag two by the extrusion, the fragrance in the elasticity gasbag two is by one-way extrusion to the foaming incasement, the foaming of foaming mixture has been promoted, the foaming effect of foaming mixture has been improved, receive one-way air valve two through special pipeline on, import fragrance to one-way air valve two, make fragrance be imported into the foaming incasement through elasticity gasbag two.
The mixed foaming module comprises a shaft sleeve, a second spring, a fixed shaft, a third spring and a ball head, wherein one end of the shaft sleeve is closed, and a plurality of through holes are formed in the curved wall of the shaft sleeve; the number of the fixed shafts is at least three, one end of each fixed shaft is fixed on the curved wall of the rotating shaft, and the other end of each fixed shaft is positioned in the corresponding shaft sleeve; the second spring is positioned between the fixed shaft and the shaft sleeve; one end of the third spring is fixed at the end part of the shaft sleeve, and the other end of the third spring is a free end; the bulb is fixed on the free end of the spring III, and the bulb is just in contact with the blowing module in the length direction of the oval foaming box. The during operation, the motor drives the mixed foaming module through the pivot and rotates, because of the inside ellipse circular that is of foaming case for spring two and three intermittent type formulas of spring are compressed, and the axle sleeve is at fixed epaxial back and forth movement, make the foaming mixture advance into and go out on the axle sleeve through the through-hole, are favorable to the foaming of foaming mixture, improve the foaming efficiency of foaming mixture and improve the foaming effect of foaming mixture, and simultaneously, spring three makes the module of blowing blow with the help of bulb extrusion module of blowing, improves the work efficiency of the module of blowing.
The feed inlet comprises a feed pipe, a bracket and an impeller, and the bracket is fixed on the pipe wall of the feed pipe; the impeller is arranged on the support, the impeller is rotationally connected with the support, and the impeller is located in the center of the feeding pipe. During operation, the foaming mixture passes through the inlet pipe and gets into in the foaming case, and when the foaming mixture got into the foaming case, the impeller was pressed down to the foaming mixture makes the impeller rotate, and pivoted impeller has promoted the foaming mixture dispersion again, is favorable to improving the foaming degree of foaming mixture.
At least two groups of mixed foaming modules are arranged on the rotating shaft. The during operation arranges the mixed foaming module of multiunit in the pivot, has the effect that the stirring was mixed to the foaming mixture on the one hand, and on the other hand multiunit mixes the foaming module and blows to the module of blowing and has the additional work, is favorable to promoting the module of blowing to blow, improves the foaming effect of foaming mixture.
And the hollow cylinder is provided with an annular flow guide cover with a small upper end and a large lower end, and the annular flow guide cover is positioned above the elastic stirring module. During operation, when the foaming mixture falls on annular kuppe, the annular kuppe can be with foaming mixture drainage to semicircle separation blade one, reduces the volume that the foaming mixture passed from two semicircle separation blades one, is favorable to promoting the foaming effect of foaming mixture.
The invention has the following beneficial effects:
1. the invention adds the essence which is crushed into powder into the polyurethane foaming raw material, so that the prepared polyurethane foaming product has fragrance, and the odor is covered by the fragrance; the fragrance is introduced into the polyurethane foaming machine, so that the elastic air bags I and II suck the fragrance, the fragrance is brought into the foaming box, the fragrance enters the polyurethane foaming machine and is foamed together with the foaming mixture, and the prepared polyurethane foaming product has fragrance.
2. The invention eliminates the smell of ammonia gas and reduces the peculiar smell on the polyurethane foaming product by spraying the polyurethane foaming product with soda water in a spray form.
3. According to the invention, fragrance is introduced into the polyurethane foaming machine, so that the elastic air bag I and the elastic air bag II suck the fragrance, the fragrance is brought into the foaming box, the foaming mixture is stirred and distributed by the main driving module, the elastic stirring module and the mixed foaming module, the fragrance is easily blended into the foaming mixture, the fragrance is retained by the foaming mixture, and the prepared polyurethane foaming product has fragrance, so that the user experience is improved.
Drawings
FIG. 1 is a flow chart of a method of the present invention;
FIG. 2 is a schematic view of a polyurethane foaming machine according to the present invention;
FIG. 3 is a schematic view of the connection between the first half-round baffle and the hollow cylinder;
in the figure: the foaming box comprises a foaming box 1, a feeding hole 11, a feeding pipe 111, an impeller 112, a discharging hole 12, a motor 13, a fixing piece 14, a main driving module 2, a hollow air shaft 21, a hollow shaft sleeve 22, a cam 23, a first elastic air bag 24, a hollow cylinder 25, a first feeding hole 251, a one-way vent plate 26, a rotating shaft 27, an annular air guide sleeve 28, an elastic stirring module 3, a first semicircular baffle 31, a first feeding hole 311, an expansion rod 32, a second feeding hole 321, a first spring 33, a blowing module 4, a second elastic air bag 41, a second one-way air valve 42, a third one-way air valve 43, elastic waterproof cloth 44, a rigid plate 45, an annular space 46, a mixed foaming module 5, a shaft sleeve 51, a through hole 511, a second spring 52, a fixed shaft 53.
Detailed Description
A method for increasing the flavor of a polyurethane foam product according to an embodiment of the present invention will be described below with reference to fig. 1 to 3.
As shown in fig. 1 to 2, the method for enhancing the fragrance of a polyurethane foam product according to the present invention comprises the steps of:
s1: preparing basic raw materials of a polyurethane foaming raw material, adding essence which is crushed into powder into the polyurethane foaming raw material, and preliminarily mixing to obtain a foaming mixture; the fragrance is one of lavender fragrance, sweet osmanthus fragrance, jasmine fragrance, orchid fragrance, rose fragrance, fruit fragrance and essential balm fragrance;
s2: the foaming mixture obtained in the step S1 is put into a polyurethane foaming machine to be fully mixed and foamed;
s3: when S3 starts to foam the foaming mixture, fragrance is introduced into the polyurethane foaming machine, so that the elastic air bags I24 and II 41 suck the fragrance, the fragrance is brought into the foaming box 1, the fragrance enters the polyurethane foaming machine to foam together with the foaming mixture, and the foam in the foaming mixture is full of the fragrance; when the aroma is not conflicted with the aroma of the essence, the aroma can be different from the aroma of the essence, and when the aroma is conflicted with the aroma of the essence, namely the aroma is mixed with the aroma of the essence and then smells difficultly, the aroma needs to be changed to be the same as the aroma of the essence; the fragrance is one of lavender fragrance, sweet osmanthus fragrance, jasmine fragrance, orchid fragrance, rose fragrance, fruit fragrance and balm fragrance;
s4: after the foaming of the foaming mixture is finished in S3, making a product by using a foamed product; the product is a spongy cushion or a sofa cushion or a heat-insulating layer in clothes and the like, so that the product has fragrance; when the prepared product has slight ammonia odor, soda water can be selected to spray the product in a spray form, so that the ammonia odor on the product can be eliminated;
as shown in fig. 2, the polyurethane foaming machine in steps S2 and S3 includes a foaming tank 1, a feed inlet 11, a discharge outlet 12, a motor 13, a fixing member 14, a main driving module 2, an elastic stirring module 3, a blowing module 4 and a mixing foaming module 5, wherein the internal cross section of the foaming tank 1 is elliptical; two feed inlets 11 are arranged, and the two feed inlets 11 are symmetrically arranged at the upper end of the foaming box 1; the motor 13 is fixed in the center of the upper end of the foaming box 1 through a fixing piece 14; the main driving module 2 is positioned at the lower end of the motor 13, the main driving module 2 is fixedly connected with the motor 13, and the main driving module 2 is used for intermittently sucking and extruding the foaming mixture to fully mix the foaming mixture; the elastic stirring module 3 is fixed on the upper part of the main driving module 2, and the elastic stirring module 3 is used for extruding the blowing module 4 and performing foaming mixing on the foaming mixture in the foaming box 1; the air blowing module 4 is arranged on the inner wall of the foaming box 1, and the air blowing module 4 blows fragrance into the foaming box 1 under the action of the elastic stirring module 3; the mixing and foaming module 5 is arranged at the lower part of the main driving module 2, and the mixing and foaming module 5 is used for extruding, mixing, stirring and mixing the foaming mixture again; wherein the content of the first and second substances,
the main driving module 2 comprises a hollow air shaft 21, a hollow shaft sleeve 22, a cam 23, an elastic air bag I24, a hollow cylinder 25, a one-way vent plate 26 and a rotating shaft 27, and the motor 13 comprises a motor shaft; one end of the hollow air shaft 21 is positioned in the foaming box 1, the other end of the hollow air shaft 21 is positioned outside the foaming box 1, the hollow air shaft 21 is fixedly connected with a motor shaft, and an air hole I is arranged on the shaft surface of the hollow air shaft 21 at one end outside the foaming box 1; the hollow shaft sleeve 22 is sleeved on the hollow air shaft 21, the hollow shaft sleeve 22 and the outer wall of the foaming box 1 enclose a closed space, and the closed space is communicated with the hollow air shaft 21 through an air hole I; the first elastic air bag 24 is fixed on the inner wall of the fixing part 14, and the first elastic air bag 24 is intermittently compressed to convey air to the closed space; the cam 23 is arranged on a motor shaft, and the cam 23 intermittently extrudes the elastic air bag I24 along with the rotation of the motor shaft so that the elastic air bag I24 intermittently transmits air to the hollow air shaft 21; the one-way ventilation plate 26 is arranged in the hollow cylinder 25, the one-way ventilation plate 26 is fixedly connected with the inner wall of the hollow cylinder 25, the one-way air valve I is arranged on the one-way ventilation plate 26, one-way ventilation of the one-way ventilation plate 26 is realized through the one-way air valve I, meanwhile, the one-way ventilation plate 26 is provided with an air suction hole, and the air suction volume of the air suction hole in unit time is smaller than the air outlet volume of the one-way air valve I; the one-way air valve I is used for enabling the fragrance at the upper part of the hollow cylinder 25 to pass through the one-way vent plate 26 in a one-way mode and enter the lower part of the hollow cylinder 25; one end of the rotating shaft 27 is fixed on the one-way ventilating plate 26, and the other end of the rotating shaft 27 extends out of the hollow cylinder 25; the hollow cylinder 25 is fixed at the lower end of the hollow air shaft 21, the hollow cylinder 25 is communicated with the hollow air shaft 21, and a plurality of first feeding holes 251 are formed in the hollow cylinder 25; the first feeding hole 251 is the lower end of the one-way ventilation plate 26. When the foaming machine works, the motor 13 is started, the foaming mixture is fed from the feeding hole 11, the foaming mixture firstly passes through the main driving module 2 and is intercepted by the elastic stirring module 3, the motor 13 drives the cam 23 to rotate, the cam 23 intermittently extrudes the elastic air bags 24, so that fragrance in the elastic air bags 24 reaches the hollow cylinder 25 through the closed space and the hollow air shaft 21, fragrance at the upper part of the hollow cylinder 25 is compressed, the fragrance at the upper part of the hollow cylinder 25 enters the lower part of the hollow cylinder 25 through the one-way ventilating plate 26 in a one-way manner, air pressure at the lower part of the hollow cylinder 25 is increased, the fragrance is discharged out of the hollow cylinder 25, when the foaming mixture reaches the lower part of the hollow cylinder 25 through the elastic stirring module 3, the compressed elastic air bags 24 generate negative pressure at the upper part of the hollow cylinder 25 when recovering, the lower part of the hollow cylinder 25 generates negative pressure due to the existence of the air, when the elastic air bag 24 is compressed again, the elastic air bag 24 inputs fragrance into the hollow cylinder 25, so that the foaming mixture in the hollow cylinder 25 is removed, and the mixing and stirring of the foaming mixture are promoted in the process that the foaming mixture is sucked into and removed from the hollow cylinder 25.
As shown in fig. 2 and 3, the elastic stirring module 3 includes a first semicircular baffle 31, a telescopic rod 32, a fixing sleeve and a first spring 33; the two semicircular blocking pieces 31 are arranged, a plurality of material through holes 311 are uniformly distributed on the semicircular blocking pieces 31, the semicircular blocking pieces 31 are connected through a telescopic rod 32, and the semicircular blocking pieces 31 extrude the air blowing module 4 to blow air when the telescopic rod 32 is extended; the fixing sleeve is fixed on the cylindrical surface of the hollow cylinder 25 and is elastically connected with the semicircular baffle piece I31 through a spring I33; a second feeding hole 321 is formed in the telescopic rod 32; the second feeding hole 321 is used for enabling the foaming mixture to continuously enter and exit the expansion link 32 when the expansion link 32 expands and contracts back and forth. During operation, the motor 13 drives the hollow cylinder 25 to rotate, the hollow cylinder 25 drives the semicircular baffle piece I31 to rotate through the spring I33, preliminary stirring of the foaming mixture by the semicircular baffle piece I31 is achieved, the semicircular baffle piece I31 intermittently extrudes the air blowing module 4 during rotation due to the fact that the interior of the foaming box 1 is oval, the air blowing module 4 blows air into the foaming box 1, foaming of the foaming mixture in the foaming box 1 is promoted, the foaming mixture gradually flows downwards from the first material through holes 311 in the semicircular baffle piece I31, the foaming mixture can be dispersed by the first material through holes 311, and fragrance can enter the foaming mixture to foam; meanwhile, in the telescopic process of the telescopic rod 32, part of the foaming mixture enters and exits the telescopic rod 32 through the second feeding hole 321, so that the foaming of the foaming mixture is facilitated, and the foaming effect and the foaming efficiency of the foaming mixture are improved.
As shown in fig. 2, the air blowing module 4 comprises a second elastic air bag 41, a second one-way air valve 42, a third one-way air valve 43, an elastic waterproof cloth 44 and a rigid plate 45, wherein the elastic waterproof cloth 44 is positioned beside the side wall of the foaming box 1, and the elastic waterproof cloth 44 and the inner wall of the foaming box 1 enclose an annular space 46; in the annular space 46 of the second elastic air bag 41, the second elastic air bag 41 is compressed to blow air into the foaming box 1; the rigid plate 45 is embedded in the elastic waterproof cloth 44, at least ten rigid plates 45 are arranged, and the rigid plates 45 are used for supporting the elastic waterproof cloth 44 to enable the elastic waterproof cloth 44 to seal the annular space 46; the second one-way air valve 42 is fixed on the inner wall of the foaming box 1, and the second one-way air valve 42 is used for enabling the fragrance outside the foaming box 1 to enter the second elastic air bag 41 in one way; the third one-way air valve 43 is fixed on the elastic waterproof cloth 44, and the third one-way air valve 43 is used for enabling the fragrance in the compressed second elastic air bag 41 to pass through the elastic waterproof cloth 44 in one way and enter the foaming box 1. During operation, elasticity stirring module 3 extrudees elasticity tarpaulin 44 intermittently for rigid plate 45 is also extruded by elasticity stirring module 3, rigid plate 45 is extruded on elasticity gasbag two 41, make elasticity gasbag two 41 extruded, the fragrance in elasticity gasbag two 41 is by one-way extrusion to foaming box 1 in, the foaming of foaming mixture has been promoted, the foaming effect of foaming mixture has been improved, connect to one-way air valve two 42 through special pipeline, input fragrance to one-way air valve two 42, make fragrance be inputed into foaming box 1 through elasticity gasbag two 41.
As shown in fig. 2, the hybrid foaming module 5 includes a shaft sleeve 51, a second spring 52, a fixed shaft 53, a third spring 54 and a ball head 55, wherein one end of the shaft sleeve 51 is closed, and a plurality of through holes 511 are arranged on a curved wall of the shaft sleeve 51; at least three fixed shafts 53 are arranged, one end of each fixed shaft 53 is fixed on the curved wall of the rotating shaft 27, and the other end of each fixed shaft 53 is positioned in the shaft sleeve 51; the second spring 52 is positioned between the fixed shaft 53 and the shaft sleeve 51; one end of the third spring 54 is fixed at the end part of the shaft sleeve 51, and the other end of the third spring 54 is a free end; the ball 55 is fixed on the free end of the spring III 54, and the ball 55 is just contacted with the air blowing module 4 in the length direction of the oval foaming box 1. In operation, motor 13 drives through pivot 27 and mixes foaming module 5 and rotate, be oval-shaped because of the inside cross section of foaming box 1, make two 52 and three 54 intermittent type formulas of spring compressed, axle sleeve 51 round trip movement on fixed axle 53, make the foaming mixture pass through-hole 511 and advance on axle sleeve 51 and go in and out, be favorable to the foaming mixture foaming, improve the foaming efficiency of foaming mixture and improve the foaming effect of foaming mixture, and simultaneously, three 54 of springs make the module 4 of blowing blow with the help of bulb 55 extrusion module 4 of blowing, improve the work efficiency of the module 4 of blowing.
As shown in fig. 2, the feed inlet 11 comprises a feed pipe 111, a bracket and an impeller 112, wherein the bracket is fixed on the wall of the feed pipe 111; the impeller 112 is arranged on the bracket, the impeller 112 is rotatably connected with the bracket, and the impeller 112 is positioned in the center of the feeding pipe 111. When the foaming box is in work, the foaming mixture enters the foaming box 1 through the feeding pipe 111, when the foaming mixture enters the foaming box 1, the foaming mixture presses the impeller 112 downwards to enable the impeller 112 to rotate, and the rotating impeller 112 promotes the dispersion of the foaming mixture, so that the improvement of the foaming degree of the foaming mixture is facilitated.
As shown in fig. 2, at least two sets of mixing and foaming modules 5 are arranged on the rotating shaft 27. During operation, arrange multiunit and mix foaming module 5 in pivot 27, on the one hand has the effect that the stirring was mixed to the foaming mixture, and on the other hand multiunit mixes foaming module 5 and blows to blowing module 4 and has the additional work, is favorable to promoting blowing module 4 to blow, improves the foaming effect of foaming mixture.
As shown in fig. 2, an annular air guide sleeve 28 with a small upper end and a large lower end is arranged on the hollow cylinder 25, and the annular air guide sleeve 28 is positioned above the elastic stirring module 3. During operation, when the foaming mixture falls on annular kuppe 28, annular kuppe 28 can be with the foaming mixture drainage to semicircle separation blade 31 on, reduce the volume that the foaming mixture passed from two semicircle separation blades 31 middles, be favorable to promoting the foaming effect of foaming mixture.
The specific use flow is as follows:
when the foaming box is used, the motor 13 is started, the foaming mixture is fed from the feeding hole 11, when the foaming mixture enters the foaming box 1, the foaming mixture presses the impeller 112 downwards to enable the impeller 112 to rotate, the rotating impeller 112 promotes the dispersion of the foaming mixture, when the foaming mixture passes through the main driving module 2, and part of the foaming mixture falls onto the annular guide cover 28, the annular guide cover 28 guides the foaming mixture to the semicircular baffle pieces 31, so that the amount of the foaming mixture passing through the middle of the two semicircular baffle pieces 31 is reduced, and the foaming effect of the foaming mixture is promoted; part of the foaming mixture is directly intercepted by the elastic stirring module 3, the hollow cylinder 25 drives the semicircular baffle piece I31 to rotate through the spring I33, preliminary stirring of the foaming mixture by the semicircular baffle piece I31 is achieved, the semicircular baffle piece I31 intermittently extrudes the air blowing module 4 when the foaming box 1 rotates due to the fact that the interior of the foaming box 1 is oval, the air blowing module 4 blows air into the interior of the foaming box 1, foaming of the foaming mixture in the foaming box 1 is promoted, the foaming mixture gradually flows downwards from the first material through holes 311 in the semicircular baffle piece I31, the foaming mixture can be dispersed by the first material through holes 311, and fragrance can enter the foaming mixture to foam; meanwhile, in the expansion process of the expansion link 32, part of the foaming mixture enters and exits from the expansion link 32 through the second feeding hole 321, so that the foaming of the foaming mixture is promoted, and the foaming effect and the foaming efficiency of the foaming mixture are improved; when the motor 13 drives the cam 23 to rotate, the cam 23 intermittently extrudes the elastic air bag I24, so that the fragrance in the elastic air bag I24 reaches the hollow cylinder 25 through the closed space and the hollow air shaft 21, the fragrance at the upper part of the hollow cylinder 25 is compressed, the fragrance at the upper part of the hollow cylinder 25 enters the lower part of the hollow cylinder 25 through the one-way vent plate 26 in one way, the air pressure at the lower part of the hollow cylinder 25 is increased, and the fragrance is discharged out of the hollow cylinder 25; when the foaming mixture reaches the lower part of the hollow cylinder 25 through the elastic stirring module 3, the compressed elastic air bag 24 generates negative pressure at the upper part of the hollow cylinder 25 when recovering, the lower part of the hollow cylinder 25 generates negative pressure due to the existence of the air suction holes, so that the foaming mixture is sucked by the hollow cylinder 25, when the elastic air bag 24 is compressed again, the elastic air bag 24 inputs fragrance into the hollow cylinder 25, so that the foaming mixture in the hollow cylinder 25 is discharged, and the mixing and stirring of the foaming mixture are promoted in the process that the foaming mixture is sucked and discharged by the hollow cylinder 25.
When the elastic waterproof cloth 44 is intermittently extruded, the rigid plate 45 is also extruded by the elastic stirring module 3, the rigid plate 45 is extruded on the elastic air bag II 41, the elastic air bag II 41 is extruded, the fragrance in the elastic air bag II 41 is unidirectionally extruded into the foaming box 1, foaming of the foaming mixture is promoted, the foaming effect of the foaming mixture is improved, the elastic waterproof cloth is connected to the unidirectional air valve II 42 through a special pipeline, the fragrance is input into the unidirectional air valve II 42, and the fragrance is input into the foaming box 1 through the elastic air bag II 41;
when the motor 13 drives the mixed foaming module 5 to rotate through the rotating shaft 27, the cross section inside the foaming box 1 is elliptical, the second spring 52 and the third spring 54 are compressed intermittently, the shaft sleeve 51 moves back and forth on the fixed shaft 53, the foaming mixture enters and exits on the shaft sleeve 51 through the through hole 511, foaming of the foaming mixture is facilitated, the foaming efficiency of the foaming mixture is improved, the foaming effect of the foaming mixture is improved, meanwhile, the third spring 54 extrudes the air blowing module 4 through the ball head 55 to enable the air blowing module 4 to blow air, and the working efficiency of the air blowing module 4 is improved.
While one embodiment of the present invention has been described above, the present invention is not limited to the above embodiment, and various modifications can be made without departing from the scope of the present invention.
(A) In the above embodiment, the scent is one of lavender scent, osmanthus scent, jasmine scent, orchid scent, rose scent, fruit scent, and essential balm scent; but not limited thereto, the aroma may also be a milk aroma, perfume aroma, or the like.
Industrial applicability
According to the invention, the powdered essence is added into the polyurethane foaming raw material, so that the prepared polyurethane foaming product has fragrance; fragrance is introduced into the polyurethane foaming machine, so that the elastic air bags I and II suck the fragrance, the fragrance is brought into the foaming box, the fragrance enters the polyurethane foaming machine and is foamed together with the foaming mixture, and the prepared polyurethane foaming product has fragrance; therefore, the method for increasing the fragrance of the polyurethane foam product is useful in the technical field of polyurethane foam products.
Claims (7)
1. A method for enhancing the flavor of a polyurethane foam product, comprising the steps of:
s1: preparing basic raw materials of a polyurethane foaming raw material, adding essence which is crushed into powder into the polyurethane foaming raw material, and preliminarily mixing to obtain a foaming mixture; the essence is one of lavender essence, sweet osmanthus essence, jasmine essence, orchid essence, rose essence, fruity essence and essential balm;
s2: the foaming mixture obtained in the step S1 is put into a polyurethane foaming machine to be fully mixed and foamed;
s3: when S3 starts to foam the foaming mixture, fragrance is introduced into the polyurethane foaming machine, so that the fragrance enters the polyurethane foaming machine to foam together with the foaming mixture, and the foam in the foaming mixture is full of the fragrance; the fragrance is one of lavender fragrance, sweet osmanthus fragrance, jasmine fragrance, orchid fragrance, rose fragrance, fruit fragrance and essential balm fragrance;
s4: after the foaming of the foaming mixture is finished in S3, making a product by using a foamed product; the product is a spongy cushion or a sofa cushion or a heat-insulating layer in clothes;
the polyurethane foaming machine in the steps S2 and S3 comprises a foaming box (1), a feeding hole (11), a discharging hole (12), a motor (13), a fixing piece (14), a main driving module (2), an elastic stirring module (3), a blowing module (4) and a mixing foaming module (5), wherein the cross section of the interior of the foaming box (1) is elliptical; two feeding holes (11) are arranged, and the two feeding holes (11) are symmetrically arranged at the upper end of the foaming box (1); the motor (13) is fixed in the center of the upper end of the foaming box (1) through a fixing piece (14); the main driving module (2) is positioned at the lower end of the motor (13), the main driving module (2) is fixedly connected with the motor (13), and the main driving module (2) is used for intermittently sucking and extruding a foaming mixture to fully mix the foaming mixture; the elastic stirring module (3) is fixed at the upper part of the main driving module (2), and the elastic stirring module (3) is used for extruding the blowing module (4) and foaming and mixing the foaming mixture in the foaming box (1); the blowing module (4) is arranged on the inner wall of the foaming box (1), and the blowing module (4) blows fragrance into the foaming box (1) under the action of the elastic stirring module (3); the mixing and foaming module (5) is arranged at the lower part of the main driving module (2), and the mixing and foaming module (5) is used for extruding, mixing, stirring and mixing the foaming mixture again; wherein the content of the first and second substances,
the main driving module (2) comprises a hollow air shaft (21), a hollow shaft sleeve (22), a cam (23), a first elastic air bag (24), a hollow cylinder (25), a one-way vent plate (26) and a rotating shaft (27), and the motor (13) comprises a motor shaft; one end of the hollow air shaft (21) is positioned in the foaming box (1), the other end of the hollow air shaft (21) is positioned outside the foaming box (1), the hollow air shaft (21) is fixedly connected with a motor shaft, and a first air hole is formed in the shaft surface of the hollow air shaft (21) at one end outside the foaming box (1); the hollow shaft sleeve (22) is sleeved on the hollow air shaft (21), the hollow shaft sleeve (22) and the outer wall of the foaming box (1) enclose to form a closed space, and the closed space is communicated with the hollow air shaft (21) through a first air hole; the first elastic air bag (24) is fixed on the inner wall of the fixing piece (14), and the first elastic air bag (24) is intermittently compressed to convey air to the closed space; the cam (23) is arranged on a motor shaft, and the cam (23) intermittently extrudes the first elastic air bag (24) along with the rotation of the motor shaft so that the first elastic air bag (24) intermittently transmits air to the hollow air shaft (21); the one-way ventilation plate (26) is arranged in the hollow cylinder (25), the one-way ventilation plate (26) is fixedly connected with the inner wall of the hollow cylinder (25), the one-way air valve I is arranged on the one-way ventilation plate (26), and the one-way ventilation plate (26) realizes one-way ventilation through the one-way air valve I; the one-way air valve I is used for enabling the fragrance at the upper part of the hollow cylinder (25) to enter the lower part of the hollow cylinder (25) through the one-way ventilation plate (26) in a one-way mode; one end of the rotating shaft (27) is fixed on the one-way ventilating plate (26), and the other end of the rotating shaft (27) extends out of the hollow cylinder (25); the hollow cylinder (25) is fixed at the lower end of the hollow air shaft (21), the hollow cylinder (25) is communicated with the hollow air shaft (21), and a plurality of first feeding holes (251) are formed in the hollow cylinder (25); the first feeding hole (251) is the lower end of the one-way ventilation plate (26).
2. A method of enhancing the flavor of polyurethane foam products as claimed in claim 1, wherein: the elastic stirring module (3) comprises a first semicircular baffle plate (31), an expansion link (32), a fixed sleeve and a first spring (33); the two semicircular blocking pieces (31) are arranged, a plurality of material through holes I (311) are uniformly distributed in the semicircular blocking pieces I (31), the semicircular blocking pieces I (31) are connected through a telescopic rod (32), and the semicircular blocking pieces I (31) extrude the air blowing module (4) to blow air when the telescopic rod (32) is extended; the fixing sleeve is fixed on the cylindrical surface of the hollow cylinder (25) and is elastically connected with the semicircular baffle piece I (31) through a spring I (33); a second feeding hole (321) is formed in the telescopic rod (32); the second feeding hole (321) is used for enabling the foaming mixture to continuously enter and exit the telescopic rod (32) when the telescopic rod (32) stretches back and forth.
3. A method of enhancing the flavor of polyurethane foam products as claimed in claim 1, wherein: the blowing module (4) comprises a second elastic air bag (41), a second one-way air valve (42), a third one-way air valve (43), elastic waterproof cloth (44) and a rigid plate (45), wherein the elastic waterproof cloth (44) is positioned beside the side wall of the foaming box (1), and the elastic waterproof cloth (44) and the inner wall of the foaming box (1) enclose to form an annular space (46); in the annular space (46) of the second elastic air bag (41), the second elastic air bag (41) is compressed to blow air into the foaming box (1); the rigid plates (45) are embedded in the elastic waterproof cloth (44), at least ten rigid plates (45) are arranged, and the rigid plates (45) are used for supporting the elastic waterproof cloth (44) to enable the elastic waterproof cloth (44) to seal the annular space (46); the one-way air valve II (42) is fixed on the inner wall of the foaming box (1), and the one-way air valve II (42) is used for enabling external fragrance of the foaming box (1) to enter the elastic air bag II (41) in a one-way mode; the one-way air valve III (43) is fixed on the elastic waterproof cloth (44), and the one-way air valve III (43) is used for enabling fragrance in the compressed elastic air bag II (41) to penetrate through the elastic waterproof cloth (44) in one way and enter the foaming box (1).
4. A method of enhancing the flavor of polyurethane foam products as claimed in claim 1, wherein: the mixed foaming module (5) comprises a shaft sleeve (51), a second spring (52), a fixed shaft (53), a third spring (54) and a ball head (55), one end of the shaft sleeve (51) is closed, and a plurality of through holes (511) are formed in the curved wall of the shaft sleeve (51); at least three fixed shafts (53) are arranged, one end of each fixed shaft (53) is fixed on the curved wall of the rotating shaft (27), and the other end of each fixed shaft (53) is positioned in the shaft sleeve (51); the second spring (52) is positioned between the fixed shaft (53) and the shaft sleeve (51); one end of the spring III (54) is fixed at the end part of the shaft sleeve (51), and the other end of the spring III (54) is a free end; the bulb (55) is fixed on the free end of the spring III (54), and the bulb (55) is just in contact with the blowing module (4) in the length direction of the oval foaming box (1).
5. A method of enhancing the flavor of polyurethane foam products as claimed in claim 1, wherein: the feed inlet (11) comprises a feed pipe (111), a bracket and an impeller (112), wherein the bracket is fixed on the pipe wall of the feed pipe (111); the impeller (112) is arranged on the bracket, the impeller (112) is rotatably connected with the bracket, and the impeller (112) is positioned in the center of the feeding pipe (111).
6. The method of increasing the scent of a polyurethane foam product of claim 4, wherein: and at least two groups of mixed foaming modules (5) are arranged on the rotating shaft (27).
7. A method of enhancing the flavor of polyurethane foam products as claimed in claim 1, wherein: an annular air guide sleeve (28) with a small upper end and a large lower end is arranged on the hollow cylinder (25), and the annular air guide sleeve (28) is positioned above the elastic stirring module (3).
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| CN201811051206.1A CN109262936B (en) | 2018-09-10 | 2018-09-10 | Method for increasing fragrance of polyurethane foaming product |
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| CN101985500A (en) * | 2010-09-10 | 2011-03-16 | 深圳市成为生物科技有限公司 | Sponge with characteristics of cleaning and removing dirt and soft fragrance |
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