CN114103195B - Production process and device of polysaccharide long-acting moisturizing non-woven fabric - Google Patents
Production process and device of polysaccharide long-acting moisturizing non-woven fabric Download PDFInfo
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- CN114103195B CN114103195B CN202111449680.1A CN202111449680A CN114103195B CN 114103195 B CN114103195 B CN 114103195B CN 202111449680 A CN202111449680 A CN 202111449680A CN 114103195 B CN114103195 B CN 114103195B
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- defoaming
- polysaccharide
- shell
- cavity
- stock solution
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- 150000004676 glycans Chemical class 0.000 title claims abstract description 64
- 229920001282 polysaccharide Polymers 0.000 title claims abstract description 64
- 239000005017 polysaccharide Substances 0.000 title claims abstract description 64
- 239000004745 nonwoven fabric Substances 0.000 title claims abstract description 41
- 238000004519 manufacturing process Methods 0.000 title abstract description 13
- 230000003020 moisturizing effect Effects 0.000 title abstract description 11
- 239000000835 fiber Substances 0.000 claims abstract description 48
- 239000011550 stock solution Substances 0.000 claims abstract description 45
- 238000007493 shaping process Methods 0.000 claims abstract description 23
- 238000001125 extrusion Methods 0.000 claims abstract description 17
- 238000009434 installation Methods 0.000 claims abstract description 6
- 238000007789 sealing Methods 0.000 claims description 9
- 238000005188 flotation Methods 0.000 claims description 6
- 230000007774 longterm Effects 0.000 claims description 2
- 238000010030 laminating Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 6
- 238000004804 winding Methods 0.000 description 6
- IXPNQXFRVYWDDI-UHFFFAOYSA-N 1-methyl-2,4-dioxo-1,3-diazinane-5-carboximidamide Chemical compound CN1CC(C(N)=N)C(=O)NC1=O IXPNQXFRVYWDDI-UHFFFAOYSA-N 0.000 description 5
- 239000000661 sodium alginate Substances 0.000 description 5
- 235000010413 sodium alginate Nutrition 0.000 description 5
- 229940005550 sodium alginate Drugs 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- FHVDTGUDJYJELY-UHFFFAOYSA-N 6-{[2-carboxy-4,5-dihydroxy-6-(phosphanyloxy)oxan-3-yl]oxy}-4,5-dihydroxy-3-phosphanyloxane-2-carboxylic acid Chemical compound O1C(C(O)=O)C(P)C(O)C(O)C1OC1C(C(O)=O)OC(OP)C(O)C1O FHVDTGUDJYJELY-UHFFFAOYSA-N 0.000 description 2
- 229940072056 alginate Drugs 0.000 description 2
- 235000010443 alginic acid Nutrition 0.000 description 2
- 229920000615 alginic acid Polymers 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000003906 humectant Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241001474374 Blennius Species 0.000 description 1
- 241000195474 Sargassum Species 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 230000005923 long-lasting effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D7/00—Producing flat articles, e.g. films or sheets
- B29D7/01—Films or sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B13/00—Conditioning or physical treatment of the material to be shaped
-
- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/22—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of indefinite length
- B29C43/24—Calendering
-
- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/22—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of indefinite length
- B29C43/26—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of indefinite length in several steps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B13/00—Conditioning or physical treatment of the material to be shaped
- B29B2013/005—Degassing undesirable residual components, e.g. gases, unreacted monomers, from material to be moulded
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
- Y02P70/62—Manufacturing or production processes characterised by the final manufactured product related technologies for production or treatment of textile or flexible materials or products thereof, including footwear
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Nonwoven Fabrics (AREA)
Abstract
The invention relates to the technical field of non-woven fabric production, and discloses a process and a device for producing polysaccharide long-acting moisturizing non-woven fabric, which comprise a shell, wherein a treatment cavity with an upper opening and a lower opening is arranged in the shell, and a defoaming mechanism, a shaping mechanism and a forming mechanism are sequentially arranged in the treatment cavity from top to bottom; the defoaming mechanism comprises an installation shell, a defoaming chamber with an upper opening and a lower opening is arranged in the installation shell, and baffle plates which are obliquely arranged are oppositely arranged on the left side surface and the right side surface of the defoaming chamber; the shaping mechanism comprises four rotating rollers which can be rotatably arranged in the treatment cavity, a conveying belt is sleeved between the two rotating rollers along the vertical direction, and the two conveying belts are used for extruding and shaping the defoamed polysaccharide fiber stock solution; the forming mechanism comprises extrusion rollers which are oppositely arranged and can rotate, the extrusion rollers are provided with a plurality of groups, and the extrusion rollers are used for carrying out extrusion forming on the molded polysaccharide fiber stock solution. Through the structure, the operations of defoaming, shaping and shaping the polysaccharide fiber stock solution are preferably realized, so that the non-woven fabric is more convenient to prepare and shape.
Description
Technical Field
The invention relates to the technical field of non-woven fabric production, in particular to a process and a device for producing a polysaccharide long-acting moisturizing non-woven fabric.
Background
Nonwoven fabrics, also known as nonwovens, are composed of oriented or random fibers and are referred to as fabrics because of their appearance and certain properties.
The alginate fiber is used as a novel functional fiber and has wide application. At present, the nonwoven fabric made of alginate fiber is generally adopted, and the process flow is roughly as follows: 1. dehydrating, crushing and soaking seaweed to extract sodium alginate; 2. dissolving and filtering sodium alginate; 3. defoaming, cooling and forming; 4. and (5) winding a finished product. In the prior art, a good device for defoaming and cooling and forming non-woven fabrics is not available.
Disclosure of Invention
Aiming at certain defect or defects in the prior art, the invention provides a production process and a device of polysaccharide long-acting moisturizing non-woven fabric.
In order to solve the above technical problems, the present invention is solved by the following technical solutions.
A production process of polysaccharide long-acting moisturizing non-woven fabric comprises the following steps:
s1, preparing polysaccharide stock solution
Adding water into sodium alginate and humectant, heating to dissolve, and filtering to obtain polysaccharide fiber stock solution;
s2, forming non-woven fabric
Defoaming, shaping and forming the polysaccharide fiber stock solution in the step S1 to obtain non-woven fabric;
s3 winding of nonwoven fabric
And winding the non-woven fabric in the S2 by a winding roller to obtain a non-woven fabric product.
The invention also provides a production device of the polysaccharide long-acting moisturizing non-woven fabric, which is used for defoaming, shaping and forming the polysaccharide fiber stock solution in the S2 to prepare the non-woven fabric.
A production device of polysaccharide long-acting moisturizing non-woven fabric comprises a shell, wherein a treatment cavity with an upper opening and a lower opening is arranged in the shell, and a defoaming mechanism, a shaping mechanism and a forming mechanism are sequentially arranged in the treatment cavity from top to bottom; the defoaming mechanism comprises an installation shell, a defoaming chamber with an upper opening and a lower opening is arranged in the installation shell, and baffle plates which are obliquely arranged are oppositely arranged on the left side surface and the right side surface of the defoaming chamber; the shaping mechanism comprises four rotating rollers which can be rotatably arranged in the treatment cavity, a conveying belt is sleeved between the two rotating rollers along the vertical direction, and the two conveying belts are used for extruding and shaping the defoamed polysaccharide fiber stock solution; the forming mechanism comprises extrusion rollers which are oppositely arranged and can rotate, the extrusion rollers are provided with a plurality of groups, and the extrusion rollers are used for carrying out extrusion forming on the molded polysaccharide fiber stock solution.
Through the structure of the invention, the operations of defoaming, shaping and shaping the polysaccharide fiber stock solution are preferably realized, so that the forming preparation of the non-woven fabric is more convenient.
Preferably, a fan for supplying air into the treatment chamber is provided at a lower end portion of the casing.
Through the structure in the invention, the air in the shell flows from bottom to top, the cooling effect on the forming mechanism and the heat preservation effect on the defoaming mechanism are better realized, and the effect of preparing the non-woven fabric by using the production device is better.
Preferably, a plurality of air holes are distributed on the left side wall and the right side wall of the defoaming chamber along the front-back direction and are positioned below the corresponding baffle plate.
By the configuration in the present invention, the discharge of the gas blocked by the baffle plate is preferably realized.
Preferably, the front side wall and the rear side wall of the mounting shell are provided with slide rails which are located below the corresponding baffle plates and are T-shaped along the up-down direction, the defoaming cavity is internally provided with a plugging mechanism which is located below the corresponding baffle plates and is used for plugging air holes, the plugging mechanism comprises a mounting block which is tightly attached to the lower side surface of the corresponding baffle plate on one side and is triangular prism-shaped, the front side wall and the rear side wall of the mounting block are provided with slide grooves for the corresponding slide rails to slide and stretch into, the mounting block is internally provided with a cavity with an opening facing the corresponding air holes, one side surface of the mounting block is provided with an air-permeable groove communicated with the cavity, and the cavity is internally provided with a sealing piece used for plugging the corresponding air holes.
Through the structure of the invention, the liquid level of the stock solution in the defoaming chamber rises to drive the mounting block to move upwards, and the sealing element is driven to plug the air vent, so that the stock solution in the defoaming chamber is prevented from being discharged from the air vent.
As preferred, be equipped with the slider along upper and lower direction relatively on the lateral wall around the cavity, the sealing member is including the piston mounting panel that is located the cavity, both ends are equipped with the sliding tray that supplies to correspond the slider card income about the piston mounting panel, it is equipped with the through-hole to correspond the bleeder vent on the piston mounting panel, it is equipped with the flotation pontoon to correspond the through-hole on the piston mounting panel, be equipped with the slip chamber that the opening orientation corresponds the through-hole in the flotation pontoon, it can pass the piston that the through-hole stretches into in the breather hole to be equipped with the drive of compressed gas in the slip chamber, be equipped with the gas pocket that communicates the slip chamber on the side of flotation pontoon, be equipped with the push away groove that the air feed pressure pushed piston withdraws the slip intracavity on the side of piston.
Through the structure of the invention, the stock solution in the defoaming chamber descends, the piston can retract into the buoy by continuing the stock solution defoaming treatment, and the blockage of the air vent is released, so that the air exhaust operation can be carried out.
Preferably, the front and rear side walls of the shell are provided with first rotating holes relatively, the end wall of the rotating roller is provided with a first rotating shaft extending into the corresponding first rotating hole, and the rotating roller is preferably rotatably arranged in the processing cavity.
Preferably, the front and rear side walls of the housing are provided with second rotating holes, and the end walls of the squeeze rollers are provided with second rotating shafts extending into the corresponding second rotating holes, so that the squeeze rollers are preferably rotatably mounted in the processing chamber.
Preferably, a feed hopper is arranged at the opening at the upper end of the defoaming chamber, and the polysaccharide fiber stock solution is preferably conveniently added into the defoaming chamber.
Preferably, the lower end of the defoaming chamber is symmetrically provided with inclined plates for guiding the polysaccharide fiber stock solution after defoaming to the space between the conveyor belts, and the polysaccharide fiber stock solution after defoaming is preferably fed into the shaping mechanism.
Drawings
FIG. 1 is a schematic view of an apparatus for producing a long-lasting moisturizing nonwoven fabric of example 1;
FIG. 2 is a schematic sectional view of the production apparatus in example 1;
fig. 3 is a partial schematic view of a mounting case in embodiment 1;
FIG. 4 is a schematic view showing the arrangement of baffles in the installation shell in example 1.
FIG. 5 is an enlarged view of portion A of FIG. 2;
FIG. 6 is a schematic view of the plugging mechanism in example 1;
FIG. 7 is a partial schematic view of a mounting block in embodiment 1;
fig. 8 is a partial schematic view of a piston mounting plate in embodiment 1.
Detailed Description
For a further understanding of the invention, reference should be made to the following detailed description taken in conjunction with the accompanying drawings and examples. It is to be understood that the examples are illustrative of the invention and not limiting.
Example 1
The embodiment provides a production process of a polysaccharide long-acting moisturizing non-woven fabric, which comprises the following steps:
s1, preparing polysaccharide stock solution
Drying Sargassum in the sun, dehydrating, pulverizing, leaching to obtain sodium alginate, adding sodium alginate, humectant, water, etc. into a dissolving kettle, heating, stirring for dissolving, and filtering to obtain polysaccharide fiber stock solution;
s2, forming non-woven fabric
Defoaming, shaping and forming the polysaccharide fiber stock solution in the step S1 to prepare non-woven fabric;
s3 winding of nonwoven fabric
The nonwoven fabric in S2 is wound up by a winding roll to produce a nonwoven fabric product.
In addition, this embodiment still provides a long-term nonwoven production device that moisturizes of polysaccharide, and it is used for realizing defoaming, moulding, the shaping of the polysaccharide fiber stoste in above-mentioned S2, prepares the nonwoven.
As shown in fig. 1 to 4, the present embodiment provides an apparatus for producing long-acting polysaccharide moisturizing non-woven fabric, which includes a housing 100, a processing chamber 201 with an upper opening and a lower opening is disposed in the housing 100, and a defoaming mechanism, a shaping mechanism and a forming mechanism are sequentially disposed in the processing chamber 201 from top to bottom; the defoaming mechanism comprises a mounting shell 210, a defoaming chamber 211 with an upper opening and a lower opening is arranged in the mounting shell 210, and baffle plates 212 which are obliquely arranged are oppositely arranged on the left side surface and the right side surface of the defoaming chamber 211; the shaping mechanism comprises four rotating rollers 220 which can be rotatably arranged in the treatment cavity 201, a conveying belt 221 is sleeved between the two rotating rollers 220 along the vertical direction, and the two conveying belts 221 are used for extruding and shaping the defoamed polysaccharide fiber stock solution; the forming mechanism comprises extrusion rollers 230 which are oppositely arranged and can rotate, the extrusion rollers 230 are provided with a plurality of groups, and the extrusion rollers 230 are used for carrying out extrusion forming on the molded polysaccharide fiber stock solution.
In this embodiment, the polysaccharide fiber stock solution prepared by heating and dissolving has a high temperature, and can be shaped and formed by cooling, and a large amount of bubbles remain in the polysaccharide fiber stock solution due to the stirring and dissolving, so that the bubbles in the polysaccharide fiber stock solution need to be defoamed; through the structure in this embodiment, the polysaccharide fiber stock solution is fed into the defoaming chamber 211 from the upper opening of the defoaming chamber 211, and falls down in the defoaming chamber 211 under the action of gravity, and due to the action of the baffle plate 212, the polysaccharide fiber stock solution turns and deflects for many times through the baffle plate 212 during the falling process, so that the bubbles in the polysaccharide fiber stock solution are discharged, and are discharged from the upper opening of the defoaming chamber 211, and the polysaccharide fiber stock solution defoamed by the defoaming mechanism enters the conveying belt 221 from the lower end of the defoaming chamber 211, in this embodiment, the front and rear side walls of the housing 100 are relatively provided with the first rotating holes 101, the end wall of the rotating roller 220 is provided with the first rotating shaft extending into the holes corresponding to the first rotating holes 101, so as to preferably realize that the rotating roller 220 is rotatably mounted in the processing chamber 201, and preferably to make the rotating roller 220 rotate to drive the conveying belt 221 to rotate, thereby performing the polysaccharide fiber stock solution entering the conveying belt 221 to perform the shaping operation, the polysaccharide fiber raw material after shaping is continuously descended under the action of gravity, and is finally made into the non-woven fabric through extrusion molding of the squeezing rollers 230, so that the production device in the embodiment can better defoam, shape and shape the polysaccharide fiber stock solution to prepare the non-woven fabric; in this embodiment, the front and rear side walls of the housing 100 are relatively provided with second rotating holes 102, and the end wall of the squeezing roller 230 is provided with a second rotating shaft extending into the corresponding second rotating hole 102, so that the squeezing roller 230 is preferably rotatably mounted in the processing cavity 201, thereby realizing the molding operation of the molded polysaccharide fiber stock solution.
In this embodiment, a plurality of air holes 411 are disposed on the left and right sidewalls of the defoaming chamber 211 along the front-back direction and below the corresponding baffle plate 212.
Through the arrangement of the air holes 411 in the embodiment, the baffle plate 212 is blocked in the polysaccharide fiber stock solution below to discharge air bubbles, so that the enrichment of air below the baffle plate 212 is avoided.
In this embodiment, a fan (not shown) for supplying air into the processing chamber 201 is provided at a lower end portion of the casing 100.
Through the structure in the embodiment, the fan supplies air into the processing cavity 201, and the upper end of the processing cavity 201 is opened, so that the air flows out of the shell 100 from the upper end, and the gas exhausted from the mounting shell 210 is exhausted out of the shell 100; in the flowing process of the wind, the heat at the lower end of the shell 100 is conveyed to the upper end, so that the defoaming mechanism is preferably kept warm, the polysaccharide fiber stock solution is prevented from being cooled too fast in the defoaming treatment, and meanwhile, the wind can cool the forming mechanism, so that the polysaccharide fiber stock solution is cooled and formed conveniently.
In this embodiment, the upper opening of the defoaming chamber 211 is provided with a feeding hopper 110, which is better for feeding the polysaccharide fiber stock solution into the defoaming chamber 211.
In this embodiment, the lower end of the defoaming chamber 211 is symmetrically provided with inclined plates 412, and the inclined plates 412 are used for guiding the polysaccharide fiber stock solution after defoaming to the space between the conveyor belts 221.
With the structure of the present embodiment, a discharge port for discharging the polysaccharide fiber stock solution is formed between the inclined plate 412 and the mounting housing 210, wherein the discharge port is disposed corresponding to the conveyor belt 221, and the introduction of the polysaccharide fiber stock solution after the defoaming treatment into the conveyor belt 221 is preferably realized.
Referring to fig. 5 to 8, in this embodiment, a T-shaped slide rail 310 located below the corresponding baffle plate 212 is disposed on the front and rear side walls of the mounting case 210 along the vertical direction, a plugging mechanism located below the corresponding baffle plate 212 and used for plugging the air vent 411 is disposed in the degassing cavity 211, the plugging mechanism includes a mounting block 510 having a triangular prism shape and a side surface capable of being closely attached to the lower side surface of the corresponding baffle plate 212, sliding grooves 611 into which the corresponding slide rail 310 slides are disposed on the front and rear side walls of the mounting block 510, a cavity 511 having an opening facing the air vent 411 is disposed in the mounting block 510, an air vent groove 512 communicating with the cavity 511 is disposed on one side surface of the mounting block 510, and a sealing member for plugging the corresponding air vent 411 is disposed in the cavity 511.
Through the structure in this embodiment, the slide rail 310 is located in the slide groove 611 for sliding, so that the mounting block 510 is slidably mounted in the defoaming chamber 211, in this embodiment, one side surface of the mounting block 510 is attached to the lower side surface of the corresponding baffle plate 212, and one of the remaining side surfaces of the mounting block 510 is hermetically and slidably attached to the side wall of the corresponding defoaming chamber 211, wherein the liquid surface of the polysaccharide fiber stock solution stored in the defoaming chamber 211 pushes the mounting block 510 to move upwards, the air remaining below the baffle plate 212 is pushed upwards by the mounting block 510 to be discharged from the vent 411 through the vent groove 512 and the cavity 511, and the mounting block 510 moves upwards to enable the sealing element to seal the vent 411, so that the polysaccharide fiber stock solution in the defoaming chamber 211 is prevented from being discharged from the vent 411 when too much polysaccharide fiber stock solution is used, and the non-woven fabric cannot be produced.
In this embodiment, the front and rear side walls of the cavity 511 are provided with the sliders 711 along the vertical direction, the sealing member includes a piston mounting plate 620 located in the cavity 511, the left and right ends of the piston mounting plate 620 are provided with sliding grooves 811 for the corresponding sliders to be clamped in, the piston mounting plate 620 is provided with through holes 621 corresponding to the air holes 411, the piston mounting plate 620 is provided with a float bowl 520 corresponding to the through holes 621, the float bowl 520 is provided with a sliding cavity 521 having an opening facing the corresponding through holes 621, the sliding cavity 521 is provided with a piston 530 capable of penetrating through the through holes 621 and extending into the air holes 411 by driving of compressed air, the side surface of the float bowl 520 is provided with an air groove 522 communicating with the sliding cavity 521, and the side surface of the piston 530 is provided with a push groove 531 for pushing the air pressure to push the piston 530 to retract into the sliding cavity 521.
In this embodiment, the aperture of the air vent 411 is smaller than the diameter of the piston 530, and the outer end of the piston 530 is hemispherical, so that when the piston 530 is opposite to the air vent 411 during the ascending process of the mounting block 510, the compressed gas in the sliding cavity 521 pushes the piston 530 to extend into the air vent 411 to plug the air vent 411, thereby realizing the plugging of the plugging mechanism. Through the structure in this embodiment, the sliding block 711 is located in the sliding groove 811 and is slidably disposed, so that the piston mounting plate 620 is slidably mounted in the cavity 511, when the liquid level of the polysaccharide fiber raw material in the defoaming cavity 211 drops, the mounting block 510 drops first, at this time, the sealing member continues to block the air vent 411, the gas, which is deaerated by the baffle plate 212, of the polysaccharide fiber raw material added into the polysaccharide fiber raw material is gathered below the baffle plate 212, so that the air pressure in the cavity 511 increases gradually, because the air groove 522 is communicated with the push groove 531, the air pressure in the air groove 531 increases, when the pressure is greater than the air pressure for pushing the piston to move in the sliding cavity 521, the air pressure in the air groove 531 pushes the conical surface of the air groove 531 to drive the piston 530 to retract to the buoy 520, and at this time, the piston mounting plate 620 falls due to the action of gravity, thereby releasing the blocking of the air vent 411 and realizing the air exhaust.
In summary, the above-mentioned embodiments are only preferred embodiments of the present invention, and all equivalent changes and modifications made in the claims of the present invention should be covered by the claims of the present invention.
Claims (7)
1. The utility model provides a long-term non-woven fabrics apparatus for producing that moisturizes of polysaccharide which characterized in that: the device comprises a shell (100), wherein a treatment cavity (201) with an upper opening and a lower opening is arranged in the shell (100), and a defoaming mechanism, a shaping mechanism and a forming mechanism are sequentially arranged in the treatment cavity (201) from top to bottom; the defoaming mechanism comprises a mounting shell (210), a defoaming chamber (211) with an upper opening and a lower opening is arranged in the mounting shell (210), and baffle plates (212) which are obliquely arranged are oppositely arranged on the left side surface and the right side surface of the defoaming chamber (211); the shaping mechanism comprises four rotary rollers (220) which can be rotatably arranged in the treatment cavity (201), a conveyor belt (221) is sleeved between the two rotary rollers (220) along the vertical direction, and the two conveyor belts (221) are used for extruding and shaping the defoamed polysaccharide fiber stock solution; the forming mechanism comprises extrusion rollers (230) which are oppositely arranged and can rotate, a plurality of groups of extrusion rollers (230) are arranged, and the extrusion rollers (230) are used for carrying out extrusion forming on the molded polysaccharide fiber stock solution; a plurality of air holes (411) are distributed on the left side wall and the right side wall of the defoaming chamber (211) along the front-back direction and are positioned below the corresponding baffle plate (212); slide rail (310) that are located corresponding baffling board (212) below and be the T type are equipped with along the upper and lower direction on the front and back lateral wall of installation shell (210), be equipped with in deaeration chamber (211) and be located corresponding baffling board (212) below and be used for carrying out the shutoff mechanism of shutoff to bleeder vent (411), shutoff mechanism includes that one side can with correspond baffling board (212) downside airtight laminating and be mounting block (510) of triangular prism form, be equipped with on the front and back lateral wall of mounting block (510) and supply to correspond slide rail (310) spout (611) that slide and stretch into, be equipped with cavity (511) that the opening set up towards corresponding bleeder vent (411) in mounting block (510), be equipped with on one side of mounting block (510) and communicate ventilative groove (512) of cavity (511), be equipped with the sealing member that is used for shutoff corresponding bleeder vent (411) in cavity (511).
2. The apparatus for producing long-acting polysaccharide moisture-retaining nonwoven fabric according to claim 1, wherein: the lower end part of the shell (100) is provided with a fan used for supplying air into the processing cavity (201).
3. The apparatus for producing long-acting polysaccharide moisture-retaining nonwoven fabric according to claim 1, wherein: be equipped with slider (711) along upper and lower direction relatively on the front and back lateral wall of cavity (511), the sealing member is including piston mounting panel (620) that is located cavity (511), both ends are equipped with sliding tray (811) that the confession corresponds the slider card and goes into about piston mounting panel (620), it is equipped with through-hole (621) to correspond bleeder vent (411) on piston mounting panel (620), it is equipped with flotation pontoon (520) to correspond through-hole (621) on piston mounting panel (620), be equipped with opening towards sliding chamber (521) that corresponds through-hole (621) in flotation pontoon (520), it is equipped with piston (530) that can pass through-hole (621) and stretch into bleeder vent (411) to drive in sliding chamber (521) through compressed gas, be equipped with air pocket (522) that communicate sliding chamber (521) on the side of flotation pontoon (520), be equipped with on the side of piston (530) and supply air pressure to push piston (530) and retract pushing groove (531) in sliding chamber (521).
4. The apparatus for producing long-acting polysaccharide moisture-retaining nonwoven fabric according to claim 1, wherein: the front side wall and the rear side wall of the shell (100) are oppositely provided with first rotating holes (101), and the end wall of the rotating roller (220) is provided with a first rotating shaft extending into the corresponding first rotating holes (101).
5. The apparatus for producing long-acting polysaccharide moisture-retaining nonwoven fabric according to claim 1, wherein: second rotating holes (102) are oppositely formed in the front side wall and the rear side wall of the shell (100), and second rotating shafts extending into the corresponding second rotating holes (102) are arranged on the end walls of the squeezing rollers (230).
6. The apparatus for producing long-acting polysaccharide moisture-retaining nonwoven fabric according to claim 1, wherein: the upper end opening of the defoaming chamber (211) is provided with a feed hopper (110).
7. The apparatus for producing long-acting polysaccharide moisture-retaining nonwoven fabric according to claim 1, wherein: the lower end part of the defoaming chamber (211) is symmetrically provided with inclined plates (412), and the inclined plates (412) are used for guiding the polysaccharide fiber stock solution after defoaming into the space between the conveyor belts (221).
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