CN215209706U - Melt direct spinning online adding device - Google Patents
Melt direct spinning online adding device Download PDFInfo
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- CN215209706U CN215209706U CN202121012619.6U CN202121012619U CN215209706U CN 215209706 U CN215209706 U CN 215209706U CN 202121012619 U CN202121012619 U CN 202121012619U CN 215209706 U CN215209706 U CN 215209706U
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Abstract
The utility model discloses a fuse-element is directly spun and is added device on line, should add the device on line and include: a feed assembly including a feed tube in communication with the compounding assembly for delivering the melt into the compounding assembly; the mixing component comprises a material chamber, a motor, a speed reduction transmission structure and at least two screws, wherein the material chamber is respectively communicated with a feeding pipe and an auxiliary material adding mechanism, and a discharge port of the material chamber is communicated with the filtering component; the two screw rods are arranged in the material chamber in parallel and are respectively connected with a driving gear and a driven gear of the speed reduction transmission structure in an assembling way; the motor is arranged outside the material chamber and is used for directly or indirectly driving the speed reduction transmission structure to act; the auxiliary material adding mechanism is used for adding an additive into the material chamber; a filter assembly for extrusion filtering the melt mixed with the additive; the online adding device solves the problems that the existing melt direct spinning device is not uniform in mixing and master batches cannot be directly put into mixing use.
Description
Technical Field
The utility model relates to a chemical fibre textile industry especially relates to a fuse-element direct spinning adds device on line.
Background
Melt spinning is a main forming method of chemical fibers, and melt direct spinning online adding equipment is mainly used for online adding additives for modification into a melt so as to improve various properties of the chemical fibers;
in the existing melt direct spinning online adding equipment, although the online addition of the additive can be realized, certain defects still exist, and the method specifically comprises the following steps: (1) the existing melt feeding pipeline is too long, the reason is that a pipeline which is long enough is required to be combined with a molten additive, and due to the design of the long pipeline, impurities and the like are left in the melt, so that the carbonization phenomenon occurs in the pipeline, and the melt quality and the flow rate of the melt entering a mixing chamber are seriously influenced; (2) the added master batch needs to be added into the mixing chamber after the form of the master batch is changed (namely, the master batch is in a melting state), the amount or the weight of the melting additive is difficult to ensure, and the melting additive needs more complicated equipment for weighing and can be mixed with the melt; (3) the material chamber is internally provided with a single screw rod structure and is directly driven by a motor, although the mode can play a mixing effect, the molten master batches cannot be uniformly and fully mixed with the melt, more importantly, the melt is easy to adhere to the surface of the screw rod, so that the finally mixed melt cannot ensure the quality of the product, namely, the mixing effect is poor, and the screw rod can be driven to rotate by a high-power motor; (4) the internal pressure control cannot be carried out, the pressure loss of the melt after the melt is mixed in the material chamber causes extrusion in a subsequent low-pressure state, and the quality of the extruded silk thread is poor or the extruded silk thread cannot be extruded; (5) the quality of the extruded silk thread is seriously influenced by excessive impurities in the melt;
in summary, the existing melt direct spinning on-line adding device needs to be further improved to meet the requirements of production and quality.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the existing problems, and provides a melt direct spinning online adding device which has simple structure, reasonable design and easy realization, and solves the problems that the existing melt direct spinning device has uneven mixing and master batches cannot be directly put into mixed use;
in order to achieve the above purpose, the utility model adopts the following technical scheme:
an online adding device for melt direct spinning, comprising: the device comprises a feeding assembly, a mixing assembly, an auxiliary material adding mechanism and a filtering assembly;
a feed assembly including a feed tube in communication with the compounding assembly for delivering the melt into the compounding assembly;
the mixing component comprises a material chamber, a motor, a speed reduction transmission structure and at least two screws, wherein the material chamber is respectively communicated with a feeding pipe and an auxiliary material adding mechanism, and a discharge port of the material chamber is communicated with the filtering component; the two screw rods are arranged in the material chamber in parallel and are respectively connected with a driving gear and a driven gear of the speed reduction transmission structure in an assembling way; the motor is arranged outside the material chamber and is used for directly or indirectly driving the speed reduction transmission structure to act;
the auxiliary material adding mechanism is used for adding an additive into the material chamber;
a filter assembly for extrusion filtering the melt mixed with the additive;
the two screw rods rotate in opposite directions through the meshing of the driving gear and the driven gear, the additive in the auxiliary material adding mechanism is injected between the two screw rods and is mixed into the melt through the rotation of the two screw rods, and the mixed melt is filtered by the filtering assembly and then is led out.
Furthermore, the heating device also comprises a heating assembly which comprises a plurality of heating sheets, and each heating sheet is attached to the peripheral wall of the material chamber and used for heating the melt in the material chamber.
Furthermore, the speed reduction transmission structure also comprises at least two speed reduction transmission groups, wherein a transmission shaft of one speed reduction transmission group is connected with an output shaft of the motor to form transmission fit, and a transmission shaft of the other speed reduction transmission group is coaxial with the driving gear and synchronously rotates; the two speed reducing transmission sets are in meshing transmission, and the transmission ratio of the speed reducing transmission set coaxial with the driving gear is larger than that of the speed reducing transmission set connected with the output shaft of the motor.
Further, the output shaft of the motor is connected with and drives the transmission shaft of one of the speed reduction transmission sets through a transmission belt.
Furthermore, the device also comprises a pressure regulating assembly which comprises a regulating valve, wherein the regulating valve is arranged in the feeding pipe and is used for regulating the flow area of the feeding pipe.
Furthermore, the pressure regulating assembly also comprises a pressure detecting element and a control element, wherein the pressure detecting element is arranged in the discharge hole of the material chamber and/or the filtering assembly; the control piece is respectively electrically connected with the regulating valve and the pressure detection element and controls the regulating valve to partially block the feeding pipe so as to regulate the flow area of the feeding pipe.
Furthermore, the device also comprises a metering pump which is arranged at the feeding pipe and used for metering the amount of the melt flowing through the feeding pipe.
Further, the auxiliary material adding mechanism comprises a shell and a shaft body;
the shell is internally provided with an accommodating cavity for accommodating the shaft body, and a feed inlet and a blanking port which are respectively communicated with the accommodating cavity are formed;
the outer wall of the shaft body is provided with a plurality of metering grooves at intervals, the metering grooves are respectively communicated with the feeding hole and the blanking hole, and the shaft body is in clearance fit with the inner peripheral wall of the shell;
the shaft body rotates relative to the shell, the additive enters the metering tank formed in the shaft body from the feed inlet of the shell, rotates relative to the shell through the shaft body, transfers the metered additive to the position of the blanking port and places the additive, and the additive is fed into the feed chamber.
Furthermore, the filter assembly comprises at least one blade-shaped or cylindrical filter screen which is arranged at the discharge port of the material chamber and is used for the penetration and filtration of the melt;
further, the wire extruding device also comprises a wire extruding component which is communicated with the filtering component; the silk thread extrusion assembly comprises a silk thread forming unit and a pressure pump, wherein the pressure pump is arranged between the filtering assembly and the silk thread forming unit and is used for extruding a melt into the silk thread forming unit after pressurizing the melt.
Technical scheme for prior art, the beneficial effect who gains is:
(1) the utility model provides a fuse-element direct spinning adds device on line, its simple structure, reasonable in design and easy realization solve mix the scheduling problem unevenly in the current fuse-element direct spinning device, this novel drive parallel arrangement's twin-screw through the speed reduction drive mechanism, promote mixing ability by a wide margin, and can reduce the length of inlet pipe, avoid appearing the condition such as pipeline jam, difficult clearance; in addition, the double screws are adopted to rotate reversely in the movement process, so that the double screws can be mixed more quickly and uniformly, and moreover, the driving gear and the driven gear matched with the double screws can be set into a large gear and a small gear, so that the rotation speed of the screws can be adjusted according to requirements to adjust the mixing speed; in addition, the novel double-screw extruder is additionally provided with a filtering component, the master batch melt after double-screw mixing is extruded to the filtering component, impurities (such as carbon deposition) of the mixed melt are filtered, and the quality of the melt is improved;
(2) the novel heating assembly is additionally arranged to heat the melt, so that the master batch additive is easier to mix to the melt after being heated, and the mixing effect is improved;
(3) the novel double-screw extruder is also provided with at least two groups of speed reduction transmission groups, the speed reduction transmission groups act on the double screws, so that the transmission is more stable, the fusion of a melt and a master batch additive is more slowly carried out, the rotating speed of the double screws can be adjusted according to actual conditions, the function of mixing adjustment is realized, and the applicability is better;
(4) the novel double-screw driving device adopts a driving belt form to realize the connection of the motor and the speed reduction transmission group, not only provides stable transmission force, but also can ensure the stability of double-screw driving and ensure the mixing effect;
(5) the novel structure is also provided with an adjusting valve which is arranged in the feeding pipe and can adjust the flow area of the feeding pipe according to the actual situation so as to adjust the pressure of the melt entering the cavity, so that the use convenience is better;
(6) the novel online adding device is also provided with a pressure detection element and a control element which are matched with a regulating valve to realize the automatic pressure regulating function, ensure enough pressure to push the melt to pass through the filtering component and ensure the operation reliability of the whole online adding device;
(7) the metering pump is arranged at the feeding pipe, the flow quantity of the melt can be obtained after the melt passes through the metering pump, and the adaptive granular additive is proportioned according to the melt quantity and added into the material chamber, so that the proportioning is more accurate, and the quality of the prepared silk thread is better;
(8) the auxiliary material adding mechanism adopted by the novel automatic metering device realizes automatic metering, the master batch additive material enters the feed inlet and then passes through the metering groove, redundant master batch additive material is cut off through shearing force when the shell and the shaft body rotate, and the master batch additive material adapting to weight falls into the material chamber when rotating to the feed outlet, so that the mode is simple in structure, convenient to use, free of complex weighing structure and more accurate in metering;
(9) the novel blade-shaped or cylindrical filter screen of the filter screen not only can bear larger pushing force, but also has good filtering effect, effectively removes impurities in the mixed melt and improves the quality of the melt; in addition, static mixing effect can be realized through a filter screen, so that a better mixing effect is achieved;
(10) this novel still be equipped with the silk thread and extrude the subassembly, can one shot forming go out complete silk thread, need not many equipment and accomplish the silk thread shaping, in addition, be equipped with the force (forcing) pump in silk thread former, further promote the pressure of fuse-element through the mode of force (forcing) pump, the silk thread quality of extruding is higher, no burr or deckle edge.
Drawings
The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it. In the drawings:
FIG. 1 is a schematic perspective view of the melt direct spinning on-line adding device of the present invention;
FIG. 2 is a top view of the mixing assembly of the present invention;
FIG. 3 is a schematic view of the twin-screw structure of the present invention;
fig. 4 is a schematic view of the three-dimensional structure of the auxiliary material adding mechanism of the present invention;
fig. 5 is a schematic perspective view of the shaft body of the present invention;
fig. 6 is a schematic view of the three-dimensional structure of the filter screen of the present invention.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention clearer and more obvious, the following description of the present invention with reference to the accompanying drawings and embodiments is provided for further details. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
As shown in fig. 1, 2 and 3, the utility model discloses a melt direct spinning adds device on line, should add the device on line and include: the device comprises a feeding assembly 1, a mixing assembly 2, a heating assembly (not shown in the figure), an auxiliary material adding mechanism 4, a filtering assembly 5 and a silk thread extruding assembly 6;
a feeding assembly 1, which comprises a feeding pipe 11, wherein the feeding pipe 11 is communicated with the mixing assembly 2 for conveying the melt into the mixing assembly 2; the melt is conveyed from the feeding pipe 11 to the material chamber 21;
the mixing component 2 comprises a material chamber 21, a motor 22, a speed reduction transmission structure 23 and at least two screws 24, the material chamber 21 is respectively communicated with the feeding pipe 11 and the auxiliary material adding mechanism 4, and a discharge hole of the material chamber 21 is communicated with the filtering component 5; the two screw rods 24 are arranged in the material chamber 21 in parallel and are respectively connected with the driving gear 231 and the driven gear 232 of the speed reducing transmission structure 23; the motor 22 is arranged outside the material chamber 21, and the motor 22 is used for directly or indirectly driving the speed reduction transmission structure 23 to act;
it should be noted that the motor 22 of the present invention transmits the driving force to the twin screw 24 through the transmission belt 25; the speed reducing transmission structure 23 of the present invention further includes at least two speed reducing transmission sets 233, 234, wherein a transmission shaft 2331 of one speed reducing transmission set 233 is connected to an output shaft of the motor 22 to form transmission fit, and a transmission shaft 2341 of the other speed reducing transmission set 234 is coaxial with the driving gear 231 and synchronously rotates; the two speed reducing transmission sets 233 and 234 are in meshing transmission, and the transmission ratio of the speed reducing transmission set 234 coaxial with the driving gear 231 is greater than that of the speed reducing transmission set 233 connected with the output shaft of the motor 22;
the output shaft of the motor 22 is connected with and drives the transmission shaft 2331 of one of the speed reduction transmission sets 233 through a transmission belt 25;
an auxiliary material adding mechanism 4 (shown in fig. 4 and 5) for adding an additive material into the material chamber 21 (the additive material according to the present invention is in the form of a granular, powdery, or liquid additive material); the auxiliary material adding mechanism 4 comprises a shell 41 and a shaft body 42;
a housing 41, in which an accommodating cavity 411 for accommodating the shaft body 42 is formed, and a feed inlet 412 and a discharge outlet 413 for respectively communicating the accommodating cavity 411 are formed;
a shaft body 42, on the outer peripheral wall of which a plurality of metering grooves 420 are arranged at intervals, wherein each metering groove 420 is respectively communicated with the feed inlet 412 and the blanking port 413, and the shaft body 42 is in clearance fit with the inner peripheral wall of the shell 41;
the metering pump 9 is arranged at the feed pipe and is used for metering the melt flowing through the feed pipe; it should be noted that the metering pump 9 of the present invention is used for placing the melt into the pump body and calculating the melt amount through the pumped melt, so as to facilitate the subsequent addition of calculating the amount of the master batch (additive);
the shaft body 42 rotates relative to the housing 41, and the additive enters the measuring groove 420 formed in the shaft body 42 from the feed port 412 of the housing 41, rotates relative to the housing 41 through the shaft body 42, transfers the measured additive to the position of the blanking port 413, and drops the additive into the material chamber 21.
A warming assembly (not shown in the figure) which comprises a plurality of heating sheets, wherein each heating sheet is attached to the peripheral wall of the material chamber 21 and is used for heating the melt in the material chamber 21;
a filter assembly 5 (shown in fig. 6) for extrusion filtering the melt mixed with the additive; the filtering component 5 comprises at least one blade-shaped or cylindrical filtering net 50, and the filtering net 50 is arranged at the discharge port of the material chamber 21 and is used for the melt to penetrate through for filtering.
The silk thread extruding component 6 is communicated with the filtering component 5; the silk thread extrusion component 6 comprises a silk thread forming unit 61 and a pressure pump 62, wherein the pressure pump 62 is arranged between the filtering component 5 and the silk thread forming unit 61 and is used for extruding the melt into the silk thread forming unit 61 after pressurizing;
the two screws 24 rotate in opposite directions by the engagement of the driving gears 231 and the driven gears 232, and the additive in the auxiliary material adding mechanism 4 is injected between the two screws 24 and is mixed into the melt by the rotation of the two screws 24, and the mixed melt is filtered by the filtering component 5 and then is led out.
More specifically, the device also comprises a pressure regulating assembly 7, which comprises a regulating valve 71, wherein the regulating valve 71 is arranged in the feeding pipe 11 and is used for regulating the flow area of the feeding pipe 11; the pressure regulating assembly 7 further comprises a pressure detecting element 72 and a control member (not shown in the figure), wherein the pressure detecting element 72 is arranged in the discharge hole of the material chamber 21 or in the filtering assembly 5; the control member (not shown) is electrically connected to the regulating valve 71 and the pressure detecting element 72, respectively, and controls the regulating valve 71 to partially block the feed pipe 11 to regulate the flow area of the feed pipe 11.
In a specific embodiment, (as shown in fig. 1-6) the present invention provides a melt direct spinning online adding device, which mainly comprises: the device comprises a frame, a feeding pipe 11, a material chamber 21, a motor 22, a speed reduction transmission structure 23, a driving gear 231, a driven gear 232, a transmission shaft 2331, a transmission shaft 2341, a first-stage gear 2332, a second-stage gear 2333, a third-stage gear 2342, a fourth-stage gear 2343, two screw rods 24, a shell 41, a shaft body 42, a filter screen 50, a silk thread forming unit 61, a pressure pump 62, a regulating valve 71, a pressure detection element 72, a shaft body 8 and a metering pump 9;
during actual installation and use:
(1) installing a regulating valve 71 and a metering pump 9, wherein the regulating valve 71 is an electromagnetic valve, and a valve body part of the regulating valve is driven to block the feeding pipe 11 in an electric control mode so as to regulate the flow area of the feeding pipe 11; the metering pump 9 is arranged corresponding to the feeding pipe 11;
(2) two ends of the double screw 24 are respectively sleeved with an upper bearing and fixed in the material chamber 21; it should be noted that, one end of the double screw 24 is provided with a driving gear 231 and a driven gear 232 which are respectively sleeved, and the driving gear 231 and the driven gear 232 are meshed so that only one of the screw 24 is driven to rotate, and the other screw 24 also rotates reversely;
(3) the installation deceleration transmission structure 23 comprises at least two deceleration transmission groups 233, the motor 22 is fixed on the frame, and the output shaft of the motor 22 is connected with the transmission shaft 2331 of the first deceleration transmission group 233 (i.e. one of the deceleration transmission groups 233) through the transmission belt 25 to form driving force transmission, it should be noted that the transmission shaft 2331 is fixed on the frame through a bearing, when the output shaft of the motor 22 rotates, the transmission belt 25 also rotates along with the output shaft, and then the transmission shaft 2331 is driven to rotate; the primary speed reduction transmission group 233 further comprises a primary gear 2332 and a secondary gear 2333, the gear ratio of the secondary gear 2333 is greater than that of the primary gear 2332 so as to achieve the speed reduction effect, and the primary gear 2332 is mounted on the frame through a shaft body 42, and further when rotating along with the transmission shaft 2331, the primary gear 2332 drives the secondary gear 2333 meshed with the transmission shaft to transmit, so that the shaft body 8 sleeved with the secondary gear 2333 also rotates along with the transmission shaft; the second-stage reduction transmission set 233 (i.e. the other reduction transmission set 233) has a transmission shaft 2341 for the driving gear 231 to be sleeved on and coaxially disposed with one of the screw rods 24 (certainly, the transmission shaft 2341 may not be coaxially disposed, and the screw rods 24 are driven to rotate by the gear transmission belt 25), the second-stage reduction transmission set 234 further includes a third-stage gear 2342 and a fourth-stage gear 2343, the fourth-stage gear 2343 is sleeved on the transmission shaft 2331, the third-stage gear 2342 is sleeved on the shaft body 8, and when the shaft body 8 rotates, the third-stage gear 2342 rotates synchronously, and the fourth-stage gear 2343 engaged with the third-stage gear 2343 rotates, so that the transmission shaft 2341 and the driving gear 231 thereon rotate, and finally the twin-screw 24 is driven to rotate (it should be noted that the gear ratio of the fourth-stage gear 2343 is greater than the gear 2342, and the gear ratio includes an outer diameter thereof, that is, the outer diameter of the fourth-stage gear 2343 is greater than the outer diameter of the third-stage gear 2342), so as to play a role of deceleration;
(4) installing a heating sheet, arranging the heating sheet or a heating wire on the outer surface of the material chamber 21, and electrically connecting the heating sheet or the heating wire with a power supply through a lead;
(5) an auxiliary material adding mechanism 4 for adding an additive material into the material chamber 21; the auxiliary material adding mechanism 4 comprises a shell 41 and a shaft body 42; a plurality of metering grooves 420 are arranged on the outer peripheral wall of the shaft body 42 at intervals, each metering groove 420 is respectively communicated with the feed inlet 412 and the blanking port 413, the shaft body 42 is arranged in the shell 41, and the peripheral walls of the metering grooves and the shell are in clearance fit; when the shaft body 42 rotates relative to the housing 41, the granular additive enters the metering groove 420 formed in the shaft body 42 from the feed port 412 of the housing 41, rotates relative to the housing 41 through the shaft body 42, transfers the metered granular additive to the position of the blanking port 413, lowers the granular additive, and puts the granular additive into the material chamber 21; it should be noted that, after the metering pump 9 calculates the amount of the melt flowing through the pump body, the rotation speed of the shaft body 42 relative to the housing 41 can be adjusted, and the amount of the added master batch can be adjusted;
(6) installing a filter assembly 5, installing a filter screen 50 at a discharge port of the material chamber 21, wherein in order to improve the filtering effect, a plurality of filter screens 50 can be installed, and the switching of the filtering effect is realized through a switching structure; in addition, static mixing effect can be realized through a filter screen, so that a better mixing effect is achieved;
(7) a pressure detection element 72, a control member (not shown in the figure) and a pressurization pump 62 are also arranged between the filtering assembly 5 and the thread forming unit 61; the pressure detection element 72 is used for detecting the pressure value of the filtered melt and feeding the pressure value back to a control element (not shown in the figure), after the control element (not shown in the figure) is compared with the pressure value of the feeding pipe 11, the control element (not shown in the figure) controls the action of the regulating valve 71 at the feeding pipe 11 to regulate the feeding pressure value of the melt in the feeding pipe 11, and the pressure value detected by the pressure detection element 72 controls the pressurizing pump 62 to pump air to increase the melt pressure, so that the melt is extruded out of the filament forming equipment;
the whole assembly process is completed;
in actual use, melt enters from the feeding pipe 11 and enters the material chamber 21 through the pressure regulating valve; at this time, the motor 22 works, the driving force is transmitted to the transmission shaft 2331 through the transmission belt 25, and the force is transmitted to the other transmission shaft 2341 (through the speed reduction transmission of the first-stage, second-stage and third-stage transmission gears 2332, 2333, 2342 and 2343) through the secondary speed reduction structure, the driving gear 231 is linked to rotate, one screw 24 rotates along with the rotation, and the other screw 24 is sleeved with the driven gear 232 meshed with the driving gear 231, so that the other screw 24 is driven to rotate reversely; the melt is better pushed by the twin screw 24 at this time; then the motor 22 of the auxiliary material adding mechanism 4 drives the shaft body 42 to rotate relative to the housing 41, since the shaft body 42 is provided with the metering groove 420, the master batch enters the metering groove 420 from the feed inlet 412 and is filled, then along with the rotation of the shaft body 42, the shear force generated by the shaft body 42 and the feed inlet 412 of the housing 41 separates redundant master batches, only the master batches in the metering groove 420 are left to rotate to the blanking port 413 along with the shaft body 42, and enter the material chamber 21 from the blanking port 413, and then are mixed with the melt (it should be noted that, the present invention is provided with the metering pump 9 at the feed pipe 11, after the melt flowing through the pump body is calculated by the metering pump 9, the rotation speed of the shaft body relative to the housing can be adjusted, the adding amount of the master batches can be adjusted, the master batches are stirred and mixed by the twin screw 24, and finally discharged from the discharge port of the material chamber 21, and filtered by the filter screen 50 of the filter assembly 5, entering the pipeline of the silk thread extrusion assembly 6, wherein the pipeline is internally provided with a pressure detection element 72 and a pressure pump 62; the mixed melt is pressurized by a pressurizing pump 62 and then extruded and molded from a thread molding unit 61; it should be noted that the pressure value detected by the pressure detecting element 72 is fed back to a control unit (not shown in the drawings), and the control unit controls the action of the regulating valve 71 to increase or decrease the flow area of the feeding pipe 11 and regulate the overall pressure; in addition, the heating plate arranged on the outer peripheral wall of the material chamber 11 can heat according to different master batches and melts, so that a better mixing effect is achieved, and the quality of silk thread forming is ensured.
The utility model provides a fuse-element direct spinning adds device on line, its simple structure, reasonable in design and easy realization solve mix the scheduling problem unevenly in the current fuse-element direct spinning device, this novel drive parallel arrangement's twin-screw through the speed reduction drive mechanism, promote mixing ability by a wide margin, and can reduce the length of inlet pipe, avoid appearing the condition such as pipeline jam, difficult clearance; in addition, the double screws are adopted to rotate reversely in the movement process, so that the double screws can be mixed more quickly and uniformly, and moreover, the driving gear and the driven gear matched with the double screws can be set into a large gear and a small gear, so that the rotation speed of the screws can be adjusted according to requirements to adjust the mixing speed; in addition, the novel double-screw extruder is additionally provided with a filtering component, the master batch melt after double-screw mixing is extruded to the filtering component, impurities (such as carbon deposition) of the mixed melt are filtered, and the quality of the melt is improved; the novel heating assembly is additionally arranged to heat the melt, so that the master batch additive is easier to mix to the melt after being heated, and the mixing effect is improved; the novel double-screw extruder is also provided with at least two groups of speed reduction transmission groups, the speed reduction transmission groups act on the double screws, so that the transmission is more stable, the fusion of a melt and a master batch additive is more slowly carried out, the rotating speed of the double screws can be adjusted according to actual conditions, the function of mixing adjustment is realized, and the applicability is better; the novel double-screw driving device adopts a driving belt form to realize the connection of the motor and the speed reduction transmission group, not only provides stable transmission force, but also can ensure the stability of double-screw driving and ensure the mixing effect; the novel structure is also provided with an adjusting valve which is arranged in the feeding pipe and can adjust the flow area of the feeding pipe according to the actual situation so as to adjust the pressure of the melt entering the cavity, so that the use convenience is better; the novel online adding device is also provided with a pressure detection element and a control element which are matched with a regulating valve to realize the automatic pressure regulating function, ensure enough pressure to push the melt to pass through the filtering component and ensure the operation reliability of the whole online adding device; the auxiliary material adding mechanism adopted by the novel automatic metering device realizes automatic metering, the master batch additive material enters the feed inlet and then passes through the metering groove, redundant master batch additive material is cut off through shearing force when the shell and the shaft body rotate, and the master batch additive material adapting to weight falls into the material chamber when rotating to the feed outlet, so that the mode is simple in structure, convenient to use, free of complex weighing structure and more accurate in metering; the novel filtering net is adopted, so that the filtering net not only can bear larger pushing force, but also has good filtering effect, effectively removes impurities in the mixed melt, and improves the quality of the melt; this novel still be equipped with the silk thread and extrude the subassembly, can one shot forming go out complete silk thread, need not many equipment and accomplish the silk thread shaping, in addition, be equipped with the force (forcing) pump in silk thread former, further promote the pressure of fuse-element through the mode of force (forcing) pump, the silk thread quality of extruding is higher, no burr or deckle edge.
While the foregoing description shows and describes the preferred embodiments of the present invention, it is to be understood that the invention is not limited to the forms disclosed herein, but is not intended to be exhaustive or to exclude other embodiments and may be used in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.
Claims (10)
1. The utility model provides a fuse-element direct spinning adds device on line which characterized in that: this online adding device includes: the device comprises a feeding assembly, a mixing assembly, an auxiliary material adding mechanism and a filtering assembly;
a feed assembly including a feed tube in communication with the compounding assembly for delivering the melt into the compounding assembly;
the mixing component comprises a material chamber, a motor, a speed reduction transmission structure and at least two screws, wherein the material chamber is respectively communicated with a feeding pipe and an auxiliary material adding mechanism, and a discharge port of the material chamber is communicated with the filtering component; the two screw rods are arranged in the material chamber in parallel and are respectively connected with a driving gear and a driven gear of the speed reduction transmission structure in an assembling way; the motor is arranged outside the material chamber and is used for directly or indirectly driving the speed reduction transmission structure to act;
the auxiliary material adding mechanism is used for adding an additive into the material chamber;
a filter assembly for extrusion filtering the melt mixed with the additive;
the two screw rods rotate in opposite directions through the meshing of the driving gear and the driven gear, the additive in the auxiliary material adding mechanism is injected between the two screw rods and is mixed into the melt through the rotation of the two screw rods, and the mixed melt is filtered by the filtering assembly and then is led out.
2. The melt direct spinning online adding device as claimed in claim 1, wherein: the heating device comprises a material chamber, and is characterized by further comprising a heating assembly, wherein the heating assembly comprises a plurality of heating sheets, and each heating sheet is attached to the outer peripheral wall of the material chamber and used for heating the melt in the material chamber.
3. The melt direct spinning online adding device as claimed in claim 1 or 2, wherein: the speed reduction transmission structure also comprises at least two speed reduction transmission groups, wherein a transmission shaft of one speed reduction transmission group is connected with an output shaft of the motor to form transmission fit, and a transmission shaft of the other speed reduction transmission group is coaxial with the driving gear and synchronously rotates; the two speed reducing transmission sets are in meshing transmission, and the transmission ratio of the speed reducing transmission set coaxial with the driving gear is larger than that of the speed reducing transmission set connected with the output shaft of the motor.
4. The melt direct spinning online adding device as claimed in claim 3, wherein: and an output shaft of the motor is connected with a transmission shaft of one of the speed reduction transmission sets through a transmission belt and transmits the speed reduction transmission sets.
5. The melt direct spinning online adding device as claimed in claim 1, wherein: the device also comprises a pressure regulating assembly which comprises a regulating valve, wherein the regulating valve is arranged in the feeding pipe and is used for regulating the flow area of the feeding pipe.
6. The melt direct spinning online adding device as claimed in claim 5, wherein: the pressure regulating assembly also comprises a pressure detecting element and a control element, and the pressure detecting element is arranged in the discharge hole of the material chamber and/or the filtering assembly; the control piece is respectively electrically connected with the regulating valve and the pressure detection element and controls the regulating valve to partially block the feeding pipe so as to regulate the flow area of the feeding pipe.
7. The melt direct spinning online adding device as claimed in claim 1, 2, 5 or 6, wherein: still include a measuring pump, it installs in feed pipe department and is used for the measuring feed pipe intraductal melt volume of flowing through.
8. The melt direct spinning online adding device as claimed in claim 1, wherein: the auxiliary material adding mechanism comprises a shell and a shaft body;
the shell is internally provided with an accommodating cavity for accommodating the shaft body, and a feed inlet and a blanking port which are respectively communicated with the accommodating cavity are formed;
the outer wall of the shaft body is provided with a plurality of metering grooves at intervals, the metering grooves are respectively communicated with the feeding hole and the blanking hole, and the shaft body is in clearance fit with the inner peripheral wall of the shell;
the shaft body rotates relative to the shell, the additive enters the metering tank formed in the shaft body from the feed inlet of the shell, rotates relative to the shell through the shaft body, transfers the metered additive to the position of the blanking port and places the additive, and the additive is fed into the feed chamber.
9. The melt direct spinning online adding device as claimed in claim 1, wherein: the filter assembly comprises at least one blade-shaped or cylindrical filter screen, and the filter screen is arranged at the discharge port of the material chamber and is used for melt to penetrate through and filter.
10. The melt direct spinning online adding device as claimed in claim 9, wherein: the silk thread extruding component is communicated with the filtering component; the silk thread extrusion assembly comprises a silk thread forming unit and a pressure pump, wherein the pressure pump is arranged between the filtering assembly and the silk thread forming unit and is used for extruding a melt into the silk thread forming unit after pressurizing the melt.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115323504A (en) * | 2022-08-18 | 2022-11-11 | 福建永荣锦江股份有限公司 | Industrial recovery process of waste chinlon yarn and using device thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115323504A (en) * | 2022-08-18 | 2022-11-11 | 福建永荣锦江股份有限公司 | Industrial recovery process of waste chinlon yarn and using device thereof |
| CN115323504B (en) * | 2022-08-18 | 2023-08-08 | 福建永荣锦江股份有限公司 | Industrial recovery process for nylon waste yarn and using device thereof |
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