CN216919502U - Spinning device for forming PET (polyethylene terephthalate) and PBT (polybutylene terephthalate) composite fibers - Google Patents

Abstract

The utility model provides a be used for fashioned silk spraying device of PET and PBT composite fiber, includes the location shell, its characterized in that: the PET melt feeding device is characterized by further comprising a feeding body, a connecting body, a first stirring sheet, a second stirring sheet, a third stirring sheet, a fourth stirring sheet and a fifth stirring sheet which are sequentially arranged in the positioning shell, wherein the top of the feeding body extends out of an opening in the top of the positioning shell, and a first inlet capable of entering a PBT melt and a second inlet capable of entering a PET melt are formed in the top of the feeding body. The utility model has the advantages that: PET and PBT melt and mix the blowout for the conjugate fiber silk in this spouts the device, through the effective filtration impurity of multilayer filter, make out a stable quality, the tension fluctuation is little, a plurality of stirring pieces enable the PET and the PBT of molten state fully contact the mixture, make PET and PBT fully contact in the conjugate fiber, extrude the quality better.

Description

Spinning device for forming PET (polyethylene terephthalate) and PBT (polybutylene terephthalate) composite fibers

Technical Field

The utility model relates to the technical field of elastic fiber manufacturing, in particular to a spinning device for forming PET and PBT composite fibers.

Background

The prior Chinese utility model patent application with the application number of CN202120752148.6 named as 'a spinneret for PBT melt-blown processing' discloses a spinneret for PBT melt-blown processing, which comprises a main body; the main body is of a rectangular structure; the workpiece is arranged in the main body; the auxiliary piece is arranged at the bottom of the main body; the rotating part is arranged at the top of the inner part of the auxiliary part; the rotating piece is arranged inside the auxiliary piece; the placing piece is installed inside the auxiliary piece and is of a rectangular structure. When the product flows through first machined part, will flow inside the inside filter core of main part, the product that does not carry out the filtration after the processing can produce the gas unfavorable to the human body, and when the product flowed inside the filter core, the filter core just can filter the gas of the inside of the product of processing, filters unfavorable gas to the qualification standard of processing environment has been guaranteed. However, the spinneret plate cannot mix PET and PBT, and the application range still needs to be improved, so that the structure of the spinneret plate needs to be further improved.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a spinning device for forming PET and PBT composite fibers, which can mix PET and PBT and can make the PET and PBT come out together.

The technical scheme adopted by the utility model for solving the technical problems is as follows: this a spout a device for shaping of PET and PBT composite fiber, including the location shell, its characterized in that: the PET melt feeding device is characterized by further comprising a material feeding body, a connecting body, a first stirring sheet, a second stirring sheet, a third stirring sheet, a fourth stirring sheet and a fifth stirring sheet which are sequentially arranged in the positioning shell, wherein the top of the material feeding body extends out of an opening in the top of the positioning shell, and a first inlet capable of entering a PBT melt and a second inlet capable of entering a PET melt are formed in the top of the material feeding body.

As an improvement, two cavities can be preferably arranged on the connecting body, one cavity is communicated with the first inlet, the other cavity is communicated with the second inlet, multiple layers of filter sheets are arranged in the two cavities of the connecting body, and a first iron sheet filter sheet, a first gauze filter sheet, a carborundum filter layer, a second gauze filter sheet, a second iron sheet filter sheet, a third gauze filter sheet and a fourth iron sheet filter sheet are sequentially arranged in any cavity from top to bottom.

The spinning device can be preferably arranged in an oven of the composite fiber manufacturing device, and the composite fiber manufacturing device comprises a bracket, a first blanking part, a second blanking part, a pre-crystallization part, a first drying part, a second drying part, a first melting part, a second melting part, a spinning mechanism, a spinning beam-collecting part, a side blowing part, a first winding part, a heat setting part and a second winding part; the spinning device comprises a support, a first blanking portion, a second blanking portion, a discharging pipe, a pre-crystallizing portion, a discharging pipe, a winding portion, a winding, a bottom opening, a winding portion, a side blowing portion, a winding portion, a side blowing portion, a winding portion, a side blowing portion, a winding portion, a side blowing portion, a winding portion, a side blowing portion, a winding portion, a side blowing portion, a winding portion, a support.

As an improvement, the pre-crystallization part may preferably include a drying box and a heater capable of circularly introducing hot gas into the drying box, an inlet at the top of the drying box is connected to the discharge pipe of the first blanking part through a valve, a side part of the drying box is connected to the gas outlet pipe of the heater, another side part of the drying box is connected to the gas inlet pipe of the heater, and the bottom of the drying box is connected to the first drying part through a pipeline.

In a further improvement, the first drying part may preferably be a first dryer capable of drying PBT crystals in a suspension manner, the lower part of the first dryer is connected with a hot air pipeline, the bottom of the first dryer is connected with a first feeding hopper of the first melting part through a pipeline, the second drying part is a second dryer capable of drying PET chips in a suspension manner, the lower part of the second dryer is connected with a second hot air pipeline, and the bottom of the second dryer is connected with a second feeding hopper of the second melting part through a pipeline.

In a further improvement, the first melting part may preferably include a first feed hopper, a first screw barrel combination, and a first blanking pipe capable of feeding the PBT melt from the first screw barrel combination into the oven, an outlet of the first feed hopper is communicated with an inlet of the first screw barrel combination, an outlet of the first screw barrel combination is communicated with the first blanking pipe, and the first blanking pipe is communicated with a first inlet of a spinneret mechanism in the oven.

In a further improvement, the second melting part may preferably include a second feed hopper, a second screw barrel combination and a second blanking pipe capable of feeding the PET melt from the second screw barrel combination into the oven, an outlet of the second feed hopper is communicated with an inlet of the second screw barrel combination, an outlet of the second screw barrel combination is communicated with the second blanking pipe, and the second blanking pipe is communicated with a second inlet of a spinneret mechanism in the oven. In a further improvement, the spinning and collecting part preferably comprises a cabinet body with an opening at the top and an opening at the bottom and a collecting block arranged in the cabinet body, and a guide groove for collecting and passing a plurality of elastic fibers sprayed from the spinning mechanism is vertically arranged on the collecting block.

The improved structure of the side blowing device is characterized in that the side blowing part preferably comprises a first limiting rod, a second limiting rod, a first blowing device and a second blowing device, the first limiting rod is fixed on a support below an opening in the bottom of the cabinet body, the first blowing device is located on the side part below the first limiting rod, the second limiting rod is located on the side part below the first blowing device, the second limiting rod is fixed with the support below the first limiting rod, the first limiting rod is perpendicular to the second limiting rod, and the second blowing device is located on the support on one side of the second limiting rod.

Compared with the prior art, the utility model has the advantages that: PET and PBT are fused and mixed in the spinning device and are sprayed out to form composite fiber filaments, impurities are effectively filtered through the multilayer filter sheets, the quality of the filament is stable, the tension fluctuation is small, the PET and the PBT in a fused state can be fully contacted and mixed through the plurality of stirring sheets, the PET and the PBT in the composite fibers are fully contacted, and the extrusion quality is better; the spinning device is arranged in the composite fiber manufacturing device, and drying, melting, compounding, blowing, heat setting and winding of PET and PBT are completed on one device, so that the production efficiency of the PET and PBT composite fiber is improved. The feeding melting and compounding operation in the whole production process is full-automatic operation, and can continuously feed and process; the heat setting operation only needs to connect the composite fiber to the heat setting part at the beginning, and the operation is simple and the use is convenient.

Drawings

FIG. 1 is a perspective view of an embodiment of the present invention;

FIG. 2 is a cross-sectional view of FIG. 1 taken along a vertical plane of the central axis with the retaining shell removed;

FIG. 3 is an exploded view of the structure of FIG. 2;

FIG. 4 is a perspective view of FIG. 3 at another angle;

FIG. 5 is an exploded view of the configuration of FIG. 4 with five stirring blades retained;

FIG. 6 is a front perspective view of the present invention as applied to a composite fiber making apparatus;

FIG. 7 is a perspective view of FIG. 6 at another angle;

FIG. 8 is a perspective view of FIG. 7 at another angle;

fig. 9 is a bottom view of the bottom opening of the oven of fig. 8.

Detailed Description

The utility model is described in further detail below with reference to the following examples of the drawings.

As shown in fig. 1 to 9, the spinning apparatus of this embodiment includes a positioning shell 90, a feeding body 91, a connecting body 92, a first stirring plate 901, a second stirring plate 902, a third stirring plate 903, a fourth stirring plate 904, and a fifth stirring plate 905, which are sequentially disposed in the positioning shell 90, wherein the top of the feeding body 91 extends out of the top opening of the positioning shell 90, and a first inlet 911 and a second inlet 912 are disposed at the top of the feeding body 91. The connector 92 is provided with two cavities, one cavity is communicated with the first inlet 911, and the other cavity is communicated with the second inlet 912. The two cavities of the connecting body 92 are internally provided with a plurality of layers of filter sheets, and the filter sheets are sequentially a first iron sheet filter sheet 921, a first gauze filter sheet 922, a carborundum filter layer 923, a second gauze filter sheet 924, a second iron sheet filter sheet 925, a third gauze filter sheet 926 and a fourth iron sheet filter sheet 927 from top to bottom.

The spinning device is arranged in an oven 9 of the composite fiber manufacturing device, and the composite fiber manufacturing device comprises a support 1, a first blanking part 21, a second blanking part 22, a pre-crystallization part 23, a first drying part 31, a second drying part 32, a first melting part 41, a second melting part 42, a spinning mechanism, a spinning and collecting part, a side blowing part, a first winding part, a heat setting part and a second winding part; the first blanking part 21 and the second blanking part 22 are respectively connected to the support 1, a discharge pipe of the first blanking part 21 is connected with the pre-crystallization part 23, a discharge pipe of the pre-crystallization part 23 is connected with the first drying part 31, a discharge pipe of the second blanking part 22 is connected with the second drying part 32, a discharge pipe of the first drying part 31 is connected with the first melting part 41, a discharge pipe of the second drying part 32 is connected with the second melting part 42, discharge ports of the first melting part 41 and the second melting part 42 are respectively communicated with a feed port of the spinning mechanism, a discharge port of the spinning mechanism is positioned above a spinning convergence part, a bottom opening of the spinning convergence part is positioned above the side blowing part, the first winding part is positioned below the side blowing part, the heat setting part is positioned on one side of the first winding part, and the second winding part is connected to the heat setting part. The pre-crystallization part 23 comprises a drying box and a heater which can circularly introduce hot gas into the drying box, an inlet at the top of the drying box is connected with a discharge pipe of the first blanking part 21 through a valve, the side part of the drying box is connected with an air outlet pipe of the heater, the side part at the other side of the drying box is connected with an air inlet pipe of the heater, and the bottom of the drying box is connected with the first drying part 31 through a pipeline.

The first drying part 31 is a first dryer which can suspend and dry the PBT crystal, the lower part of the first dryer is connected with a hot air pipeline, the bottom of the first dryer is connected with the first feeding hopper 411 of the first melting part 41 through a pipeline, the second drying part 32 is a second dryer which can suspend and dry the PET chips, the lower part of the second dryer is connected with a second hot air pipeline, and the bottom of the second dryer is connected with the second feeding hopper 421 of the second melting part 42 through a pipeline. The specific structure of the first dryer and the second dryer belongs to the prior art, and thus, will not be described in detail.

The first melting part 41 comprises a first feeding hopper 411, a first screw barrel combination and a first blanking pipe which can feed the PBT melt from the first screw barrel combination into the oven 9, wherein an outlet of the first feeding hopper 411 is communicated with an inlet of the first screw barrel combination, an outlet of the first screw barrel combination is communicated with the first blanking pipe, and the first blanking pipe is communicated with a first inlet 911 of a spinneret mechanism in the oven 9.

The second melting part 42 comprises a second feed hopper 421, a second screw cylinder combination and a second blanking pipe which can feed the PET melt from the second screw cylinder combination into the oven 9, wherein the outlet of the second feed hopper 421 is communicated with the inlet of the second screw cylinder combination, the outlet of the second screw cylinder combination is communicated with the second blanking pipe, and the second blanking pipe is communicated with the second inlet 912 of the spinning mechanism in the oven 9. The composite fibers exit the oven from the bottom opening 93 of the oven. The specific structure of the first screw-barrel combination and the second screw-barrel combination belongs to the prior art, and therefore, the detailed description is not provided.

The spinning and bundling part comprises a cabinet body 5 with an opening at the top and an opening at the bottom and a bundling block arranged in the cabinet body 5, and a guide groove for collecting and passing a plurality of elastic fibers sprayed from the spinning mechanism is vertically arranged on the bundling block.

The side blowing part comprises a first limiting rod 61, a second limiting rod 62, a first blowing device 63 and a second blowing device, the first limiting rod 61 is fixed on the support 1 below the bottom opening 51 of the cabinet body 5, the first blowing device 63 is located on the side portion below the first limiting rod 61, the second limiting rod 62 is located on the side portion below the first blowing device 63, the second limiting rod 62 is fixed with the support 1 below the first limiting rod 61, the first limiting rod 61 is perpendicular to the second limiting rod 62, and the second blowing device is located on the support 1 on one side of the second limiting rod 62. The specific structure of the first and second air blowers 63 and 63 is known in the art and will not be described in detail.

The first winding part comprises a third limiting rod 71 and a winder 7, the third limiting rod 71 is positioned on the bracket 1 below the second air blower, an elastic fiber inlet opening of the winder 7 is positioned below the third limiting rod 71, and elastic fibers entering the winder 7 are wound on a roller body 72 of the winder 7. The specific structure of the winder 7 is prior art and will not be described in detail. The specific structures of the heat-set part and the second winding part are known in the art and will not be described in detail.

Claims (9)

1. A spout a device that is used for shaping of PET and PBT composite fiber, includes location shell (90), its characterized in that: the PET melt feeding device is characterized by further comprising a feeding body (91), a connecting body (92), a first stirring sheet (901), a second stirring sheet (902), a third stirring sheet (903), a fourth stirring sheet (904) and a fifth stirring sheet (905) which are sequentially arranged in the positioning shell (90), wherein the top of the feeding body (91) extends out of an opening in the top of the positioning shell (90), and a first inlet (911) capable of entering a PBT melt and a second inlet (912) capable of entering a PET melt are formed in the top of the feeding body (91).

2. The spinning apparatus as set forth in claim 1, wherein: be provided with two cavitys on connector (92), a cavity is linked together with first import (911), and another cavity is linked together with second import (912) all be provided with the multilayer filter in two cavities of connector (92), and the filter in arbitrary cavity is first iron sheet filter (921), first gauze filter (922), carborundum filter layer (923), second gauze filter (924), second iron sheet filter (925), third gauze filter (926), fourth iron sheet filter (927) from the top down in proper order.

3. The spinning apparatus as set forth in claim 2, wherein: the spinning device is arranged in an oven (9) of the composite fiber manufacturing device, and the composite fiber manufacturing device comprises a support (1), a first blanking part (21), a second blanking part (22), a pre-crystallization part (23), a first drying part (31), a second drying part (32), a first melting part (41), a second melting part (42), a spinning mechanism, a spinning beam-collecting part, a side blowing part, a first winding part, a heat setting part and a second winding part; the first blanking part (21) and the second blanking part (22) are respectively connected on the bracket (1), a discharge pipe of the first blanking part (21) is connected with the pre-crystallization part (23), a discharge pipe of the pre-crystallization part (23) is connected with the first drying part (31), a discharge pipe of the second blanking part (22) is connected with the second drying part (32), a discharge pipe of the first drying part (31) is connected with the first melting part (41), a discharge pipe of the second drying part (32) is connected with the second melting part (42), discharge holes of the first melting part (41) and the second melting part (42) are respectively communicated with a feed inlet of a spinning device, a discharge hole of the spinning device is positioned above the spinning convergence part, a bottom opening of the spinning convergence part is positioned above the side blowing part, and the first winding part is positioned below the side blowing part, the heat setting part is arranged on one side of the first winding part, and the second winding part is connected to the heat setting part.

4. The spinning apparatus as set forth in claim 3, wherein: the pre-crystallization part (23) comprises a drying box and a heater capable of circularly introducing hot gas into the drying box, an inlet in the top of the drying box is connected with a discharge pipe of the first blanking part (21) through a valve, the side part of the drying box is connected with an air outlet pipe of the heater, the side part of the other side of the drying box is connected with an air inlet pipe of the heater, and the bottom of the drying box is connected with the first drying part (31) through a pipeline.

5. The spinning apparatus as set forth in claim 4, wherein: the first drying part (31) is a first dryer capable of drying PBT crystals in a suspension manner, the lower part of the first dryer is connected with a hot air pipeline, the bottom of the first dryer is connected with a first feeding hopper (411) of a first melting part (41) through a pipeline, the second drying part (32) is a second dryer capable of drying PET slices in a suspension manner, the lower part of the second dryer is connected with a second hot air pipeline, and the bottom of the second dryer is connected with a second feeding hopper (421) of a second melting part (42) through a pipeline.

6. The spinning apparatus as set forth in claim 5, wherein: the first melting part (41) comprises a first feed hopper (411), a first screw barrel combination and a first blanking pipe, wherein the first blanking pipe can be used for feeding the PBT melt combined from the first screw barrel into the oven (9), the outlet of the first feed hopper (411) is communicated with the inlet of the first screw barrel combination, the outlet of the first screw barrel combination is communicated with the first blanking pipe, and the first blanking pipe is communicated with a first inlet (911) of a spinning mechanism in the oven (9).

7. The spinning apparatus as set forth in claim 6, wherein: the second melting part (42) comprises a second feeding hopper (421), a second screw cylinder combination and a second discharging pipe which can send the PET melt combined from the second screw cylinder into the oven (9), the outlet of the second feeding hopper (421) is communicated with the inlet of the second screw cylinder combination, the outlet of the second screw cylinder combination is communicated with the second discharging pipe, and the second discharging pipe is communicated with a second inlet (912) of a spinning mechanism in the oven (9).

8. The spinning apparatus as set forth in claim 7, wherein: the spinning and bundling part comprises a cabinet body (5) with an opening at the top and an opening at the bottom and a bundling block arranged in the cabinet body (5), and a guide groove for gathering and passing a plurality of elastic fibers sprayed from the spinning mechanism is vertically arranged on the bundling block.

9. The spinning apparatus as set forth in claim 8, wherein: the side blowing part comprises a first limiting rod (61), a second limiting rod (62), a first blowing device (63) and a second blowing device, the first limiting rod (61) is fixed on a support (1) below an opening (51) at the bottom of the cabinet body (5), the first blowing device (63) is located on the side part of the lower part of the first limiting rod (61), the second limiting rod (62) is located on the side part of the lower part of the first blowing device (63), the second limiting rod (62) is fixed with the support (1) below the first limiting rod (61), the first limiting rod (61) is perpendicular to the second limiting rod (62), and the second blowing device is located on the support (1) on one side of the second limiting rod (62).

Images