CN109505016B - Centrifugal fiber spinning machine - Google Patents
Centrifugal fiber spinning machine Download PDFInfo
- Publication number
- CN109505016B CN109505016B CN201811483082.4A CN201811483082A CN109505016B CN 109505016 B CN109505016 B CN 109505016B CN 201811483082 A CN201811483082 A CN 201811483082A CN 109505016 B CN109505016 B CN 109505016B
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- forming wheel
- air outlet
- spinning machine
- air
- pipe
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- 239000000835 fiber Substances 0.000 title claims abstract description 84
- 238000009987 spinning Methods 0.000 title claims abstract description 38
- 239000003292 glue Substances 0.000 claims abstract description 84
- 238000005507 spraying Methods 0.000 claims abstract description 53
- 238000007664 blowing Methods 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 56
- 239000007921 spray Substances 0.000 claims description 37
- 239000000498 cooling water Substances 0.000 claims description 34
- 238000007789 sealing Methods 0.000 claims description 18
- 230000000712 assembly Effects 0.000 claims description 16
- 238000000429 assembly Methods 0.000 claims description 16
- 238000005192 partition Methods 0.000 claims description 12
- 229910001220 stainless steel Inorganic materials 0.000 claims description 11
- 239000010935 stainless steel Substances 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 8
- 238000003466 welding Methods 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 229910000746 Structural steel Inorganic materials 0.000 claims description 3
- 238000013459 approach Methods 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000011248 coating agent Substances 0.000 abstract description 3
- 238000000576 coating method Methods 0.000 abstract description 3
- 238000007493 shaping process Methods 0.000 description 12
- 238000009434 installation Methods 0.000 description 10
- 229920001971 elastomer Polymers 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 4
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- 239000010438 granite Substances 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- -1 polytetrafluoroethylene Polymers 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
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- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- YGANSGVIUGARFR-UHFFFAOYSA-N dipotassium dioxosilane oxo(oxoalumanyloxy)alumane oxygen(2-) Chemical compound [O--].[K+].[K+].O=[Si]=O.O=[Al]O[Al]=O YGANSGVIUGARFR-UHFFFAOYSA-N 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
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- 239000004571 lime Substances 0.000 description 1
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- 239000004579 marble Substances 0.000 description 1
- 239000011490 mineral wool Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910052627 muscovite Inorganic materials 0.000 description 1
- 239000002121 nanofiber Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
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Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/18—Formation of filaments, threads, or the like by means of rotating spinnerets
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D11/00—Other features of manufacture
- D01D11/06—Coating with spinning solutions or melts
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D13/00—Complete machines for producing artificial threads
- D01D13/02—Elements of machines in combination
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
Abstract
The invention provides a centrifugal fiber spinning machine, and belongs to the technical field of fiber manufacturing. The spinning machine comprises a forming wheel assembly, a driving device, an air wall and a glue spraying device, wherein the forming wheel assembly comprises a hollow rotating shaft and a forming wheel fixedly connected with the rotating shaft, the driving device is used for driving the rotating shaft to rotate, the forming wheel is used for centrifuging magma into fiber yarns, the air wall is used for blowing the fiber yarns off the forming wheel, the forming wheel is provided with a central through hole coaxial with the rotating shaft, the glue spraying device comprises a glue spraying pipe and a glue spraying pipe mounting assembly, the glue spraying pipe penetrates through a cavity and the central through hole of the rotating shaft and is connected with the forming wheel through the glue spraying pipe mounting assembly, and the glue spraying pipe is used for spraying glue to the fiber yarns along the radial direction of the forming wheel from the central position of the forming wheel. The spun fiber yarn is surrounded on the outer side of the glue solution, so that the spun fiber yarn has a certain stable environment, is not easy to blow out, can be uniformly attached to the surface of the fiber, improves the glue coating quality of the fiber, and protects the environment.
Description
Technical Field
The invention relates to the technical field of fiber manufacturing, and particularly provides a centrifugal fiber spinning machine.
Background
The process of forming filaments is the most important element in the production process of fibers. At present, centrifugal fiber spinning machines are commonly used for forming fibers with relatively small diameters (e.g., nanofibers) and relatively high strength.
The prior centrifugal fiber spinning machine comprises a forming wheel assembly, a driving device, an air wall and a plurality of glue spraying devices, wherein the forming wheel assembly comprises a rotating shaft and a forming wheel, the driving device is used for driving the rotating shaft to rotate so as to drive the forming wheel to rotate, the glue spraying devices are uniformly arranged on the outer side of the forming wheel and used for spraying glue to fiber filaments thrown out of the forming wheel, the rotating shaft in the forming wheel assembly penetrates through an air outlet of the air wall, the forming wheel is positioned in front of the air outlet, and the air wall is used for blowing fiber filaments centrifugally thrown out of the forming wheel away from the forming wheel so as to be collected. When the fibers are formed into filaments, magma is guided to the surface of the forming wheel from the upper part of the forming wheel, the forming wheel is driven by a driving device to rotate at a high speed, the magma on the surface is centrifuged into filaments, the glue spraying devices spray glue to the filaments spun by centrifugation from the periphery, and the air wall blows the fibers sprayed with glue solution away from the forming wheel.
When the existing spinning machine sprays glue, the glue solution is easily influenced by air outlet of an air wall and air flow of surrounding environment when reaching the surface of the fiber yarn, a part of mist glue solution can be lost in the air, the utilization rate of the glue solution is greatly reduced, the air is polluted, meanwhile, the glue spraying is uneven, and the glue coating quality of the fiber is seriously influenced.
Disclosure of Invention
Aiming at the problems existing in the prior art, the embodiment of the invention provides a centrifugal fiber spinning machine, wherein a forming wheel is provided with a central through hole, a glue spraying pipe and the forming wheel are coaxially arranged, glue is radially sprayed along the forming wheel from the central position of the forming wheel, and the spun fiber yarn is surrounded on the outer side of the glue solution, so that the spun fiber yarn has a certain stable environment, is not easy to blow out, can be uniformly attached to the surface of the fiber, improves the quality of fiber glue coating, and protects the environment.
The technical scheme of the invention is as follows:
the utility model provides a centrifugal fiber spinning machine, includes shaping wheel subassembly, drive arrangement, air wall and spouts the gluey device, shaping wheel subassembly include hollow pivot and with pivot fixed connection's shaping wheel, drive arrangement is used for the drive the pivot rotates, the shaping wheel is used for with magma centrifugation becomes the cellosilk, the air wall is used for with the cellosilk blows off the shaping wheel, the shaping wheel be equipped with the coaxial central through-hole of pivot, spout the gluey device including spouting rubber tube and spouting rubber tube installation component, spout the rubber tube and wear to penetrate cavity and the central through-hole department of pivot, and through spout rubber tube installation component with shaping wheel rotation is connected, is used for follow shaping wheel central point puts the radial to of shaping wheel the cellosilk spouts the glue.
In an alternative embodiment, the glue spraying pipe comprises a guide pipe and a spray head assembly, the guide pipe penetrates through the cavity and the central through hole of the rotating shaft, one end of the guide pipe penetrates out of the cavity of the rotating shaft and is used for being connected with a glue spraying pump, the other end of the guide pipe penetrates out of the forming wheel, the spray head assembly is fixed on the forming wheel, glue solution is sprayed to the spray head assembly through the guide pipe, and glue is sprayed to the fiber filaments along the radial direction of the forming wheel under the centrifugal force action of the forming wheel.
In an alternative embodiment, the spray head assembly comprises a lining plate and a cover plate, wherein the lining plate is a circular plate with a mounting hole in the middle, the cover plate is of a plate-shaped structure with the middle protruding outwards, the cover plate and the lining plate are oppositely arranged and have a gap, the cover plate and the lining plate are fixed on the forming wheel through fixing pieces, and one end of the guide pipe is positioned in the mounting hole so that the glue solution is thrown out from the gap.
In an alternative embodiment, the central through hole is kept away from the one end of pivot is the shoulder hole, the welt is equipped with first annular arch and second annular arch, first annular arch encircles the mounting hole sets up and is located the first side of welt, the second annular arch encircles the outer circumference setting of welt, and is located the second side of welt, first annular arch is located shoulder hole department and with shoulder hole is sealed, the apron is located in the second annular arch and with have the clearance between the second annular arch.
In an alternative embodiment, the centrifugal fiber spinning machine further comprises a cooling water pipe and a water inlet and return connector, the forming wheel is provided with a circulating cooling water containing cavity, the cooling water pipe is arranged in the cavity of the rotating shaft and sleeved outside the water spraying pipe, the water inlet and return connector is provided with a water inlet hole and a water return hole communicated with the circulating cooling water containing cavity, the water inlet and return connector is fixedly arranged at one end, close to the rotating shaft, of the central through hole, and the water spraying pipe penetrates through the water inlet and return connector.
In an alternative embodiment, the rubber spraying pipe installation component comprises two baffle rings and an elastic sealing ring arranged between the two baffle rings, the baffle rings and the elastic sealing ring are sleeved outside the guide pipe and positioned at the step of the stepped hole, and the rubber spraying pipe installation component is pressed by the first annular bulge and is used for realizing sealing and rotating connection of the guide pipe and the forming wheel.
In an alternative embodiment, the spray hose mounting assembly further comprises a sliding bearing, and the spray hose is rotatably connected with the water inlet and return joint through the sliding bearing.
In an alternative embodiment, the water inlet and return joint comprises a main body part, a connecting part and a baffle, wherein the main body part is of a hollow columnar structure with one end having a large diameter and the other end having a small diameter, the connecting part is arranged outside the small end of the main body part and fixedly connected with the rotating shaft through a fixing piece, the water return hole is formed in the connecting part, the large end of the main body part is positioned in the circulating cooling water containing cavity and is provided with an end plate, the water inlet hole is formed in the end plate, a bearing mounting hole is further formed in the end plate, and the baffle is fixed on the end face of the large end so as to seal the bearing mounting hole.
In an alternative embodiment, the spray hose installation assembly further comprises a supporting and fixing assembly for supporting and fixing one end of the spray hose penetrating out of the rotating shaft.
In an alternative embodiment, the support fixing assembly comprises a connecting support, a water inlet pipe and a connecting pipe, wherein the water inlet pipe is fixed on the connecting support and sleeved outside the spray pipe, the support fixing assembly is used for spraying cooling water into the cooling water pipe through a clamping cavity formed by the spray pipe, one end of the connecting pipe is inserted into the water inlet pipe and is in threaded connection with the water inlet pipe, and the spray pipe penetrates through the connecting pipe and is sealed through an elastic piece and is fixed through a fastening piece.
In an alternative embodiment, the centrifugal fiber spinning machine comprises a first forming wheel assembly and three second forming wheel assemblies, wherein the diameter of the forming wheel in the first forming wheel assembly is smaller than that of the forming wheel in the second forming wheel assembly, and the magma firstly passes through the first forming wheel assembly and then falls to the three second forming wheel assemblies in sequence under the action of centrifugal force.
In an alternative embodiment, a plurality of guide vanes are arranged at the air outlet of the air wall, and are used for enabling the air to form vortex consistent with the rotation direction of the forming wheel.
In an optional embodiment, the air outlet of the air wall includes a first air outlet area and three second air outlet areas, each air outlet area is of an arc structure, the air outlets are formed in an end-to-end connection mode, the air outlets are of a multi-flap structure, the first air outlet area corresponds to the first forming wheel assembly, the three second air outlet areas correspond to the three second forming wheel assemblies one to one, and the second air outlet areas are provided with a plurality of guide sheets.
In an alternative embodiment, the guide vanes at two ends of the second air outlet area are parallel to the axis of the corresponding forming wheel, and the guide vane at the middle part of the second air outlet area forms an included angle of 20-30 degrees or an included angle of-30-20 degrees with the axis of the corresponding forming wheel.
In an alternative embodiment, the wind wall includes front panel, rear panel, curb plate, first wind ring subassembly and three second wind ring subassembly, front panel sets up with the rear panel relatively, through the curb plate encloses into hollow wall structure, wind ring subassembly includes supporting front end ring and rear end ring, the front end ring is fixed on the front panel, the rear end ring is fixed on the rear panel, supporting a pair of front end ring and rear end ring between form the arc structure the air-out area.
In an alternative embodiment, the guide vane is in an inverted right trapezoid structure, the height of the guide vane gradually increases along the wind direction, and the part near the large end is contracted inwards to form a sharp angle.
In an alternative embodiment, the air wall is further provided with a first partition plate, a second partition plate, a first air inlet and a second air inlet, the first air inlet and the second air inlet are respectively located at two ends of the hollow wall structure, the first partition plate and the second partition plate divide the interior of the wall structure into two independent areas, the first air inlet supplies air to one independent area, the air is blown out from the first air outlet area and the second air outlet area, the second air inlet supplies air to the other independent area, and the air is blown out from the other two second air outlet areas.
In an optional embodiment, the air wall further comprises a plugboard, a plugboard mounting groove is formed in the side plate, the plugboard extends into the hollow wall structure along the mounting groove, and the air quantity flowing through the first air ring assembly is adjusted by adjusting the extension length.
In an alternative embodiment, the main body structure of the forming wheel is made of carbon structural steel, and the working surface is coated with a stainless steel layer.
In an alternative embodiment, the stainless steel layer is prepared on the surface of the main structure of the forming wheel by a build-up welding process.
In an optional embodiment, the middle part of the main structure of the forming wheel is provided with a circulating cooling water containing cavity, the forming wheel further comprises a plurality of pull pipes, the pull pipes are uniformly distributed along the circumference of the forming wheel and are parallel to the central shaft of the forming wheel, and the pull pipes penetrate through the circulating cooling water containing cavity.
In an alternative embodiment, a buffer groove is formed in one side, close to the rotating shaft, of the forming wheel, the side wall of the buffer groove gradually approaches to the forming wheel shaft line along the direction from the opening to the bottom of the groove, and the assembly holes of the forming wheel and the rotating shaft are all located in the buffer groove.
Compared with the prior art, the invention has the beneficial effects that:
(1) According to the centrifugal fiber spinning machine provided by the embodiment of the invention, the central through hole is formed in the forming wheel, the glue spraying pipe and the forming wheel are coaxially arranged, and glue is sprayed along the radial direction of the forming wheel from the central position of the forming wheel, and as spun fiber filaments are surrounded on the outer side of the glue solution, the spun fiber filaments have a certain stable environment and are not easy to blow out and can be uniformly adhered to the surface of the fiber, so that the fiber gluing quality is improved, and the environment is protected;
(2) The spray head is arranged on the forming wheel, and glue solution is sprayed to the fiber filaments along the radial direction of the forming wheel by utilizing the rotary centrifugal force of the forming wheel, so that the uniformity of glue solution spraying is further improved;
(3) The spray head component provided by the invention can ensure that the glue solution is guided into radial and centrifuged into mist glue, and is uniformly and continuously attached to the surface of the fiber;
(4) The spray head component provided by the invention can avoid loosening and even falling off caused by the influence of the centrifugal force of the forming wheel for a long time, can further ensure that glue solution is thrown out smoothly, and simultaneously avoids the outflow of cooling water through a sealing design, thereby ensuring the quality of the glue solution;
(5) The wind wall structure provided by the embodiment of the invention can avoid the loss of wind power of two air inlets in the opposite-impact process, saves resources and improves efficiency;
(6) The invention can effectively prolong the service life and reduce the manufacturing cost by making the forming wheel into a mode of combining two materials.
Drawings
FIG. 1 is a front view of the outer structure of a centrifugal fiber spinning machine according to an embodiment of the present invention;
FIG. 2 is a top view of the outer structure of a centrifugal fiber spinning machine according to an embodiment of the invention;
FIG. 3 is a partial cross-sectional view of an assembled glue spray device and a forming wheel casting according to an embodiment of the present invention;
FIG. 4 is a right side view of the glue spraying device provided by the embodiment of the invention assembled with a molding wheel casting;
FIG. 5 is a schematic diagram of a showerhead assembly according to an embodiment of the present invention;
FIG. 6 is a cross-sectional view, a left side view and a right side view of a forming wheel according to an embodiment of the present invention;
FIG. 7 is a schematic view of a portion of a catheter and forming wheel assembly according to an embodiment of the present invention;
FIG. 8 is a schematic view of an inlet-outlet water joint structure according to an embodiment of the present invention;
FIG. 9 is a cross-sectional view of an inlet and return water joint according to an embodiment of the present invention;
FIG. 10 is a front view of a wind wall according to an embodiment of the present invention;
FIG. 11 is a schematic diagram of a partial II of an air outlet area according to an embodiment of the present invention;
FIG. 12 is a partial perspective view of a wind wall according to an embodiment of the present invention;
FIG. 13 is a partial cross-sectional view of a front end ring and a rear end ring provided by an embodiment of the present invention;
FIG. 14 is a schematic view of a partial structure of a rear end ring according to an embodiment of the present invention;
FIG. 15 is a schematic view of a baffle structure according to an embodiment of the present invention;
fig. 16 is a partial schematic view of the assembly parts of the front panel and the rear panel according to the embodiment of the invention.
Detailed Description
The following description of the embodiments of the present invention will be made in further detail with reference to the accompanying drawings and specific examples.
Referring to fig. 1 and 2, an embodiment of the present invention provides a centrifugal fiber spinning machine, including a forming wheel assembly 1, a driving device 2, an air wall 3 and a glue spraying device 4, referring to fig. 3 and 4, the forming wheel assembly 1 includes a hollow rotating shaft 11 and a forming wheel 12 fixedly connected with the rotating shaft 11, the driving device 2 is used for driving the rotating shaft 11 to rotate, the forming wheel 12 is used for centrifuging magma into fiber filaments, the air wall 3 is used for blowing the fiber filaments away from the forming wheel 12, the forming wheel 12 is provided with a central through hole coaxial with the rotating shaft 11, the glue spraying device 4 includes a glue spraying pipe and a glue spraying pipe mounting assembly, the glue spraying pipe penetrates into a cavity and the central through hole of the rotating shaft 11, and is rotationally connected with the forming wheel 12 through the glue spraying pipe mounting assembly, and is used for spraying glue along the radial direction of the fiber filaments from the central position of the forming wheel 12.
Specifically, the driving device 2 may include a driving motor and a transmission assembly, and the transmission assembly may be a transmission belt, a transmission gear, or the like; the spray hose installation component can comprise rotating parts such as a rotating bearing, a movable bearing and the like, and also can comprise a supporting and fixing part for supporting and fixing the spray hose; the central through hole is coaxial with the forming wheel 12 and may be a continuous through hole, or may be a two-stage hole communicating through the cavity inside the forming wheel when the cavity is formed inside the forming wheel, which is not limited by the present invention. The rock pulp can be lime rock pulp, black granite pulp, muscovite granite pulp, marble rock pulp and the like, and rock wool rock pulp is preferred.
According to the centrifugal fiber spinning machine provided by the embodiment of the invention, the central through hole is formed in the forming wheel, the glue spraying pipe and the forming wheel are coaxially arranged, and glue is sprayed along the radial direction of the forming wheel from the central position of the forming wheel, and as spun fiber filaments are surrounded on the outer side of the glue solution, the spun fiber filaments have a certain stable environment and are not easy to blow out and can be uniformly adhered to the surface of the fiber, so that the fiber gluing quality is improved, and the environment is protected.
As shown in fig. 3, the glue spraying tube includes a guide tube 41 and a nozzle assembly 42, the guide tube 41 penetrates through the cavity and the central through hole of the rotating shaft 11, one end of the guide tube penetrates through the cavity of the rotating shaft 11, and is used for being connected with a glue spraying pump (not shown in the drawing) through a glue spraying pump interface 43, the other end of the guide tube penetrates through the forming wheel 12, the glue spraying pump is used for spraying glue into the glue spraying tube, the nozzle assembly is fixed on the forming wheel 12, the glue is sprayed to the nozzle assembly 42 through the guide tube 41, and the glue is sprayed to the fiber filaments along the radial direction of the forming wheel 12 under the centrifugal force action of the forming wheel 42.
The spray nozzle is arranged on the forming wheel, and the glue solution is sprayed to the fiber yarn along the radial direction of the forming wheel by utilizing the rotary centrifugal force of the forming wheel, so that the uniformity of glue solution spraying is further improved.
In an alternative embodiment, as shown in fig. 5, the spray head assembly 42 includes a liner 421 and a cover plate 422, the liner 421 is a circular plate with a mounting hole in the middle, the cover plate 422 is a plate structure with a convex middle, the cover plate 422 is opposite to the liner 421 and is positioned by a positioning member 423 (such as a positioning pin) to have a preset gap, the cover plate 422 forms a temporary cavity for accommodating glue solution for the convex middle, the cover plate 422 and the liner 421 are fixed on the forming wheel 12 by a fixing member such as a screw, a bolt, and one end of the guide tube 41 is located in the mounting hole so that the glue solution is thrown out from the fixing gap. The main structure of the spray head assembly is preferably made of stainless steel so as to ensure the quality of glue solution and prolong the service life.
The spray head component with the structure can ensure that the glue solution is guided into radial direction and centrifuged into mist glue, and is uniformly and continuously attached to the surface of the fiber.
In an alternative embodiment, as shown in fig. 6, an end of the central through hole away from the rotating shaft 11 is a stepped hole, as shown in fig. 5, the lining board 421 is provided with a first annular protrusion 4211 and a second annular protrusion 4212, the first annular protrusion 4211 is disposed around the mounting hole and is located on a first side of the lining board 421, the second annular protrusion 4212 is disposed around the outer circumference of the lining board 421 and is located on a second side of the lining board 421, the first annular protrusion 4211 is located at the stepped hole and is sealed with the stepped hole through a sealing member, and the cover plate 422 is located in the second annular protrusion 4212 and has a gap with the second annular protrusion 4212. The shower nozzle subassembly of this structure can avoid not hard up even deviate from because of long-term being influenced by shaping wheel centrifugal force causes, can further ensure again that the glue solution throws away smoothly, avoids the cooling water to flow out through sealed design simultaneously, ensures the glue solution quality.
As shown in fig. 3, the centrifugal fiber spinning machine further comprises a cooling water pipe 5 and an inlet and return water joint 6, the forming wheel 12 is provided with a circulating cooling water containing cavity 122, the cooling water pipe 5 is arranged in a cavity of the rotating shaft 11 and sleeved outside the spray hose, the inlet and return water joint 6 is provided with a water inlet hole and a return water hole communicated with the circulating cooling water containing cavity 122, the water inlet hole is communicated with the cooling water pipe 5, the return water pipe is communicated with the cavity of the rotating shaft 11, the inlet and return water joint is fixedly arranged at one end of the central through hole, which is close to the rotating shaft 11, and the spray hose penetrates through the inlet and return water joint 6. Through setting up condenser tube and advancing the return water and connect can realize the cooling treatment to the shaping wheel, avoid the damage that the shaping wheel leads to because of the high temperature.
As shown in fig. 7, the installation component of the glue spraying pipe comprises two baffle rings 71 and an elastic sealing ring 72 arranged between the two baffle rings, the baffle rings 71 and the elastic sealing ring 72 are sleeved outside the guide pipe 41 and positioned at the step of the stepped hole, the first annular bulge 4211 is pressed tightly, the baffle rings 71 are made of polytetrafluoroethylene and graphite, the elastic sealing ring 72 is made of silicone rubber, and the elastic sealing ring 72 is preferably coated with lubricating liquid, so that the sealing and rotating connection of the guide pipe 41 and the forming wheel 12 is realized. The polytetrafluoroethylene and the graphite have lubricating effect, so that the relative rotation of the guide pipe 41 and the forming wheel 12 is ensured, the elastic sealing ring 72 is pressed by the baffle ring 71, and the elastic sealing ring 72 is deformed to block the gap to realize sealing.
Further, as shown in fig. 3, the spray hose installation assembly further includes a sliding bearing 73, the spray hose and the water inlet and return connector 6 are rotationally connected through the sliding bearing 73, so that the center positioning of the right end of the spray hose can be ensured, the continuous operation of the forming wheel 12 rotating at a high speed is ensured, no vibration is generated, and the overall stability is improved; the slide bearing 73 is preferably made of a nonmetallic material.
Further, referring to fig. 1, 8 and 9, for easy installation, the water inlet and return joint 6 includes a main body portion 61, a connecting portion 62 and a baffle 63, the main body portion 61 is a hollow column structure with a large end diameter and a small end diameter, the connecting portion 62 is disposed at the outer side of the small end of the main body portion 61 and fixedly connected with the rotating shaft 11 through fixing pieces such as bolts and screws, a plurality of water return holes 621 uniformly distributed along the circumference are disposed on the connecting portion 62, the large end of the main body portion 61 is located in the circulating cooling water containing cavity 122 and is provided with an end plate, a plurality of water inlet holes 611 uniformly distributed along the circumference and baffle fixing holes uniformly distributed along the circumference are disposed on the end plate, meanwhile, a bearing mounting hole is further disposed on the end plate, and the baffle 63 is fixed on the end face of the large end of the main body portion 61 so as to block the bearing mounting hole and avoid bearing separation. The cooling water flows into the forming wheel 12 from the water inlet hole 611 and flows out from the water return hole 621.
Further, in order to keep the spray hose stably output, the spray hose installation assembly further comprises a supporting and fixing assembly for supporting and fixing one end of the spray hose penetrating out of the rotating shaft.
Specifically, the support fixing assembly comprises a connection support 74, a water inlet pipe 75 and a connecting pipe 76, wherein the water inlet pipe 75 is fixed on the connection support 74 and sleeved outside the guide pipe 41, and is used for spraying cooling water into the cooling water pipe 5 through a clamping cavity formed by the water inlet pipe 41, one end of the connecting pipe 76 is inserted into the water inlet pipe 75 and is in threaded connection with the water inlet pipe 75, the guide pipe 41 passes through the connecting pipe 76 and is sealed through a sealing rubber pipe 77 so as to avoid outflow of the cooling water, and the guide pipe 41 can be ensured to be axially and centrally positioned by radially extruding and fixing the guide pipe 41 through a fastening piece 78. Taper pipe threads are arranged on the side wall of the water inlet pipe 75 and are connected with an external water supply device to enable cooling water to enter the cooling water pipe 5 from the jacket. The connection mount 74 is adapted to be secured to the device base.
As shown in fig. 10 and 11, further, a plurality of guide vanes f for forming the wind into a vortex in accordance with the rotation direction of the forming wheel are provided at the air outlet (four-leaf grass structure shown in fig. 10) of the air wall 3.
In an alternative embodiment, as shown in fig. 1, the centrifugal fiber-spinning machine includes a set of first forming wheel assemblies (forming wheel assemblies located in the upper right corner of fig. 1) and three sets of second forming wheel assemblies, the diameter of the forming wheels in the first forming wheel assemblies being smaller than the diameter of the forming wheels in the second forming wheel assemblies. The centrifugal fiber spinning machine provided by the embodiment of the invention is characterized in that the magma is guided to the surface of a first forming wheel (the upper right corner forming wheel in the figure 1) from the upper side of the forming wheel, is thrown to the surface of a second forming wheel (the upper left corner forming wheel in the figure) under the centrifugal force action of the first forming wheel, is thrown to the surface of a third forming wheel (the lower right corner forming wheel in the figure) under the centrifugal force action of the second forming wheel, is thrown to the surface of a last forming wheel under the centrifugal force action of the third forming wheel, and is centrifugally formed into fiber yarns under the driving of the last forming wheel. By arranging four forming wheels, the utilization rate of magma is improved, finer fiber yarns are obtained, the product quality is improved, and good economic benefit is obtained.
Specifically, as shown in fig. 10, the air outlet of the air wall 3 includes a first air outlet area a, a first second air outlet area b, a second air outlet area c, and a third second air outlet area d, as shown in fig. 10, each of the air outlet areas has an arc-shaped structure, and is connected end to end and forms an air outlet with a multi-petal structure similar to four-leaf grass, and the air outlet with the multi-petal structure may be a loop structure or a structure with a notch (a notch between the first air outlet area a and the first second air outlet area b) as shown in fig. 10, which is not limited by the present invention; the first air outlet area a corresponds to the first forming wheel assemblies, the three second air outlet areas correspond to the three second forming wheel assemblies one by one, and the second air outlet areas are provided with a plurality of guide sheets.
Specifically, the guide vanes f at two ends of the second air outlet area are parallel to the corresponding axis of the forming wheel, the guide vanes f at the middle part of the second air outlet area form an included angle of 20-30 degrees or an included angle of-30 to-20 degrees with the corresponding axis of the forming wheel, so that the wind is ensured to form a vortex consistent with the rotating direction of the forming wheel, uniform dispersion of fiber filaments is facilitated, the quality of the fiber filaments is improved, and subsequent collection is facilitated.
As shown in fig. 10, the air wall 3 includes a front panel 31, a rear panel 32, side plates 33, a first air ring assembly and three second air ring assemblies, where the front panel 31 and the rear panel 32 are disposed opposite to each other, and the side plates 33 enclose a hollow wall structure, as shown in fig. 11 and 13, the air ring assemblies include a front end ring 34 and a rear end ring 35, the front end ring 34 is fixed on the front panel 31, the rear end ring 35 is fixed on the rear panel 32, and an arc-shaped air outlet area is formed between the front end ring 34 and the rear end ring 35.
Specifically, as shown in fig. 14, the rear end ring 35 includes a fixed mounting portion for fixedly connecting with the rear panel 32 and an arc-shaped main body portion for forming an air outlet area, the arc-shaped main body portion for forming the air outlet area is provided with a guide vane mounting groove 351, the depth of the mounting groove 351 is 1-3 mm, so as to ensure that the guide vane f is stably mounted, in order to ensure that air forms a vortex with the same rotation direction in the forming wheel 12, an included angle a between the mounting groove 351 located in the middle and the axis (coaxial with the corresponding forming wheel) of the main body portion is 20-30 ° or-30 to-20 °; the distance between the mounting grooves 351 is preferably 10-20 mm, so that the air is ensured to smoothly blow to the fiber, and the fiber is rapidly cooled.
Specifically, as shown in fig. 15, the guide vane f has an inverted right trapezoid structure, and gradually increases in height along the wind direction, and the portion near the large end is contracted inwards to form a sharp angle, and the angle of the sharp angle is preferably 15-20 degrees, so as to guide the direction of the air flow.
As shown in fig. 12, the air wall 3 is further provided with a first partition plate 36, a second partition plate 37, a first air inlet 38 and a second air inlet 39, the first air inlet 38 and the second air inlet 39 are respectively located at two ends of the hollow wall structure, the first partition plate 36 and the second partition plate 37 divide the interior of the wall structure into two independent areas, the first air inlet 38 supplies air to one independent area, the air is blown out from the first air outlet area a and the third second air outlet area c, the second air inlet 39 supplies air to the other independent area, and the air is blown out from the first second air outlet area b and the second air outlet area c. The wind wall structure can avoid the loss of wind power of two air inlets in the opposite flushing process, saves resources and improves efficiency.
Further, the air wall 3 further includes an insert plate 310, an insert plate mounting groove is formed in the side plate 33, the insert plate 310 extends into the hollow wall structure along the mounting groove, the air quantity flowing through the first air ring assembly is adjusted by adjusting the extension length, and the insert plate position can be fixed by fasteners such as screws after the adjustment. The air outlet quantity of the first air outlet area a can be adjusted at any time by arranging the plugboard, so that the problems of fiber stretch-breaking or adhesion and the like caused by overlarge or undersize wind power are avoided.
Further, in order to avoid that the front panel 31 is not corroded by glue, the air wall 3 further includes a protection plate 312, and the protection plate 312 is fixed in front of the middle of the front panel 31 by a buckle, and has a certain gap with the front panel 31, so as to facilitate cleaning or replacement in time. In an alternative embodiment, shield 312 is a stainless steel plate having a thickness of 3-9 mm.
Further, as shown in fig. 10, a bracket 321 is further provided on the rear panel 32 of the air wall 3, so that the main structure of the air wall 3 can be connected with other devices.
As shown in fig. 16, a supporting tube 311 is disposed between the front panel 31 and the rear panel 32, and the supporting tube 311 is located between the front end ring 34 and the rear end ring 35. The support tube is arranged to enhance the connection and support strength of the front panel and the rear panel, so that the deformation of the wind wall is avoided.
As shown in FIG. 6, the main structure of the forming wheel 12 is Q235-A and 45# carbon structural steel materials, and the working surface (slurry flushing surface) is coated with a stainless steel layer 121. The forming wheel is made into a mode of combining two materials, so that the service life can be effectively prolonged, and the manufacturing cost can be reduced.
Specifically, the stainless steel layer is prepared on the surface of the main structure of the forming wheel through a build-up welding process. The outer stainless steel layer is prepared in a build-up welding mode, so that the damaged part or the damaged layer can be removed in a mechanical and chemical corrosion mode after the stainless steel layer is damaged, and then the forming wheel can be continuously and normally used after being repaired in a build-up welding mode, and the cost is further saved.
In an alternative embodiment, the stainless steel layer has a thickness of 3 to 9mm. The existing thickness can ensure normal work for a certain time, and the cost is reduced during maintenance conveniently.
In an alternative embodiment, as shown in fig. 6, a circulating cooling water cavity 122 is provided in the middle of the main structure of the forming wheel 12, the forming wheel 12 further includes a plurality of pull pipes 123, a plurality of pull pipes 123 are uniformly distributed along the circumference of the forming wheel and are parallel to the central axis of the forming wheel, and the pull pipes 123 penetrate through the circulating cooling water cavity. In an alternative embodiment, the two ends of the pull tube 123 are installed in the holes by punching on the forming wheel 12, and the pull tube 123 is fixedly connected by welding, so that the pull tube 123 is arranged, and further, one of two opposite holes for installing the pull tube 123 is a threaded hole, so as to enhance the connection strength of the pull tube 123 and the forming wheel 12. The forming wheel with the hollow structure can be effectively prevented from deforming under the high-speed rotation and the scouring of high-temperature molten slurry by the aid of the pull rod, the service life of the forming wheel is prolonged, meanwhile, powerful support is provided for a surfacing process, and effective implementation of the surfacing process is ensured.
As shown in fig. 6, a buffer slot 124 is disposed on a side of the forming wheel 12 near the rotating shaft 11, the side wall of the buffer slot 124 gradually approaches the forming wheel axis along the direction from the opening to the bottom of the slot, and the assembly holes of the forming wheel 12 and the rotating shaft 11 are all located in the buffer slot 124. Through setting up the dashpot, make each connect fixed part sink into the dashpot, avoid being erodeed by high Wen Yanjiang, prolonged life. The bottom of the buffer slot 124 is provided with a rotating shaft positioning hole to ensure accurate positioning with the rotating shaft 11, and a plurality of blind threaded holes 126 are uniformly distributed around the rotating shaft positioning hole 125 and are used for fixedly connecting with the rotating shaft 11 through fasteners such as screws, bolts and the like, and simultaneously ensuring sealing.
As shown in fig. 6, the wall thickness of the forming wheel 12 on the side away from the rotating shaft is 12 to 20mm in order to secure the cooling effect.
The foregoing is merely one specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the technical scope of the present invention should be included in the scope of the present invention.
The non-detailed description of the invention is within the knowledge of a person skilled in the art.
Claims (17)
1. The centrifugal fiber spinning machine comprises a forming wheel assembly, a driving device, an air wall and a glue spraying device, wherein the forming wheel assembly comprises a hollow rotating shaft and a forming wheel fixedly connected with the rotating shaft, the driving device is used for driving the rotating shaft to rotate, the forming wheel is used for centrifuging magma into fiber filaments, and the air wall is used for blowing the fiber filaments away from the forming wheel, the centrifugal fiber spinning machine is characterized in that the forming wheel is provided with a central through hole coaxial with the rotating shaft, the glue spraying device comprises a glue spraying pipe and a glue spraying pipe mounting assembly, the glue spraying pipe penetrates through a cavity and the central through hole of the rotating shaft and is connected with the forming wheel in a rotating manner through the glue spraying pipe mounting assembly, and is used for spraying glue from the central position of the forming wheel to the fiber filaments along the radial direction of the forming wheel;
the air outlet of the air wall is provided with a plurality of guide vanes for enabling air to form vortexes consistent with the rotation direction of the forming wheel, wherein the air outlet comprises a target air outlet area corresponding to the forming wheel assembly, the guide vanes at two ends of the target air outlet area are parallel to the axis of the forming wheel, the guide vanes at the middle part of the target air outlet area form an included angle of 20-30 degrees or an included angle of-30-20 degrees with the axis of the forming wheel, the guide vanes are of an inverted right trapezoid structure, the height of the guide vanes gradually increases along the wind direction, the part close to the big end is contracted inwards to form a sharp angle, and the sharp angle is 15-20 degrees so as to guide the air flow direction;
the wind wall comprises a front panel, a rear panel, side plates and a wind ring assembly, wherein the front panel and the rear panel are arranged oppositely, a hollow wall structure is enclosed by the side plates, the wind ring assembly comprises a front end ring and a rear end ring which are matched, the front end ring is fixed on the front panel, the rear end ring is fixed on the rear panel, and an arc-shaped target air outlet area is formed between the front end ring and the rear end ring;
the rear end ring comprises a fixed mounting part and an arc-shaped main body part, wherein the fixed mounting part is fixedly connected with the rear panel, the arc-shaped main body part forms an air outlet area, a guide vane mounting groove is formed in the arc-shaped main body part forming the air outlet area, the depth of the mounting groove is 1-3 mm, and the included angle between the mounting groove in the middle part and the axis of the main body part is 20-30 degrees or-30-20 degrees; the space between the mounting grooves is 10-20 mm.
2. The centrifugal fiber spinning machine of claim 1, wherein the glue spraying pipe comprises a guide pipe and a spray head assembly, the guide pipe penetrates through the cavity and the central through hole of the rotating shaft, one end of the guide pipe penetrates out of the cavity of the rotating shaft and is used for being connected with a glue spraying pump, the other end of the guide pipe penetrates out of the forming wheel, the spray head assembly is fixed on the forming wheel, glue is sprayed to the spray head assembly through the guide pipe, and glue is sprayed to the fiber filaments along the radial direction of the forming wheel under the centrifugal force of the forming wheel.
3. The centrifugal fiber spinning machine of claim 2, wherein the nozzle assembly comprises a liner plate and a cover plate, the liner plate is a circular plate with a mounting hole in the middle, the cover plate is of a plate-shaped structure with a convex middle, the cover plate and the liner plate are oppositely arranged and have a gap, the cover plate and the liner plate are fixed on the forming wheel through fixing pieces, and one end of the guide pipe is positioned in the mounting hole so that the glue solution is thrown out of the gap.
4. A centrifugal fiber spinning machine according to claim 3, wherein the end of the central through hole away from the rotary shaft is a stepped hole, the liner plate is provided with a first annular protrusion and a second annular protrusion, the first annular protrusion is arranged around the mounting hole and is positioned on the first side of the liner plate, the second annular protrusion is arranged around the outer circumference of the liner plate and is positioned on the second side of the liner plate, the first annular protrusion is positioned at the stepped hole and is sealed with the stepped hole, and the cover plate is positioned in the second annular protrusion and has a gap with the second annular protrusion.
5. The centrifugal fiber spinning machine of claim 4, further comprising a cooling water pipe and a water inlet and return joint, wherein the forming wheel is provided with a circulating cooling water containing cavity, the cooling water pipe is arranged in the cavity of the rotating shaft and sleeved outside the water spraying pipe, the water inlet and return joint is provided with a water inlet hole and a water return hole communicated with the circulating cooling water containing cavity, the water inlet and return joint is fixedly arranged at one end of the central through hole close to the rotating shaft, and the water spraying pipe penetrates through the water inlet and return joint.
6. The centrifugal fiber spinning machine of claim 5, wherein the hose mounting assembly includes two baffle rings and an elastic sealing ring disposed between the two baffle rings, the baffle rings and the elastic sealing ring being sleeved outside the guide tube and located at the step of the stepped hole and being pressed by the first annular protrusion for sealing and rotating connection of the guide tube and the forming wheel.
7. The centrifugal fiber spinning machine of claim 6, wherein said hose mounting assembly further comprises a slide bearing, said hose and said return water inlet joint being rotatably connected by said slide bearing.
8. The centrifugal fiber spinning machine of claim 7, wherein the water inlet and return joint comprises a main body part, a connecting part and a baffle, wherein the main body part is of a hollow columnar structure with a large end diameter and a small end diameter, the connecting part is arranged on the outer side of the small end of the main body part and fixedly connected with the rotating shaft through a fixing piece, the water return hole is formed in the connecting part, the large end of the main body part is positioned in the circulating cooling water containing cavity and is provided with an end plate, the water inlet hole is formed in the end plate, the end plate is further provided with a bearing mounting hole, and the baffle is fixed on the end face of the large end of the main body part to seal the bearing mounting hole.
9. The centrifugal fiber spinning machine of claim 6, wherein said hose mounting assembly further comprises a support and securement assembly for supporting and securing an end of said hose extending out of said shaft.
10. The centrifugal fiber spinning machine of claim 9, wherein the support fixing assembly comprises a connection support, a water inlet pipe and a connection pipe, the water inlet pipe is fixed on the connection support and sleeved outside the spray pipe for spraying cooling water into the cooling water pipe through a clamping cavity formed by the spray pipe, one end of the connection pipe is inserted into the water inlet pipe and is in threaded connection with the water inlet pipe, and the spray pipe penetrates through the connection pipe and is sealed through an elastic piece and is fixed through a fastener.
11. The centrifugal fiber spinning machine of claim 1, comprising a first set of forming wheel assemblies and three second sets of forming wheel assemblies, wherein the diameter of the forming wheel in the first forming wheel assembly is smaller than the diameter of the forming wheel in the second forming wheel assembly, and wherein the magma passes through the first forming wheel assembly and then falls to the three second forming wheel assemblies in sequence under centrifugal force.
12. The centrifugal fiber spinning machine of claim 11, wherein the air outlet of the air wall comprises a first air outlet area and three second air outlet areas, each air outlet area is of an arc-shaped structure and is formed in an end-to-end connection mode, the air outlet is of a multi-flap-shaped structure, the first air outlet area corresponds to the first forming wheel assembly, the three second air outlet areas correspond to the three second forming wheel assemblies one to one, and the second air outlet areas are provided with a plurality of guide sheets.
13. The centrifugal fiber spinning machine of claim 12, wherein the air wall is further provided with a first partition, a second partition, a first air inlet and a second air inlet, the first air inlet and the second air inlet are respectively positioned at two ends of the hollow wall structure, the first partition and the second partition divide the interior of the wall structure into two independent areas, the first air inlet supplies air to one independent area, the air is blown out from the first air outlet area and the second air outlet area, the second air inlet supplies air to the other independent area, and the air is blown out from the other two second air outlet areas.
14. The centrifugal fiber spinning machine of claim 1, wherein the forming wheel body structure is made of carbon structural steel material, and the working surface is coated with a stainless steel layer.
15. The centrifugal fiber spinning machine of claim 14, wherein the stainless steel layer is produced on the surface of the forming wheel body structure by a build-up welding process.
16. The centrifugal fiber spinning machine of claim 14, wherein the forming wheel body structure has a central circulating cooling water cavity, the forming wheel further comprises a plurality of pull tubes, the pull tubes are uniformly distributed along the circumference of the forming wheel and are parallel to the central shaft of the forming wheel, and the pull tubes penetrate through the circulating cooling water cavity.
17. A centrifugal fiber spinning machine according to claim 14 or 16, wherein a buffer groove is formed in one side of the forming wheel close to the rotating shaft, the side wall of the buffer groove gradually approaches the forming wheel axis along the direction from the opening to the groove bottom, and the assembly holes of the forming wheel and the rotating shaft are both positioned in the buffer groove.
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| CN201811483082.4A CN109505016B (en) | 2018-12-05 | 2018-12-05 | Centrifugal fiber spinning machine |
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| CN201811483082.4A CN109505016B (en) | 2018-12-05 | 2018-12-05 | Centrifugal fiber spinning machine |
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| CN206881961U (en) * | 2017-06-21 | 2018-01-16 | 上海新型建材岩棉大丰有限公司 | A kind of center glue-spraying device of rock wool production |
| CN209619517U (en) * | 2018-12-05 | 2019-11-12 | 北京宇航高科新材料有限公司 | A kind of centrifugal fiber spinning machine |
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| US4966616A (en) * | 1987-02-20 | 1990-10-30 | Oy Partek Ab | Mineral wool centrifuge |
| FR2657077A1 (en) * | 1990-01-16 | 1991-07-19 | Saint Gobain Isover | METHOD AND DEVICE FOR FIBRING MINERAL WOOL BY FREE CENTRIFUGATION. |
| CN203295359U (en) * | 2013-06-07 | 2013-11-20 | 山东泰石节能保温材料有限公司 | Central glue spraying device of fiber forming machine |
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