CN216237399U - Sheath-core composite closed type annular air blowing device special for polylactic acid fibers - Google Patents

Abstract

The utility model discloses a skin-core compound closed circular blowing device special for polylactic acid fiber, belonging to the technical field of fiber production equipment, comprising a rectifying barrel, wherein a filtering air duct is arranged in the rectifying barrel, the bottom of the rectifying barrel is connected with a pressure stabilizing chamber, the joint of the pressure stabilizing chamber and the rectifying barrel is provided with a guide wheel ring, the side wall of the guide wheel ring is uniformly provided with a plurality of groups of guide wheel blades which are arranged in an upper layer and a lower layer, a gap is arranged between the guide wheel blades of each layer, one side of the pressure stabilizing chamber is connected with one end of a tube head, the other end of the tube head is connected with an air inlet pipe through a telescopic pipe, the air inlet pipe is provided with a manual air valve, and through the arrangement, cooling air enters the filtering air duct through the gap between the guide wheel blades on the two sides of the side wall of the guide wheel ring, so that the cooling air from the filtering air duct can uniformly cool melt trickle, the defect rate and the generation of fiber products are reduced, the production efficiency is improved.

Description

Sheath-core composite closed type annular air blowing device special for polylactic acid fibers

Technical Field

The utility model relates to the technical field of fiber production equipment, in particular to a skin-core composite closed type annular blowing device special for polylactic acid fibers.

Background

The melt spinning of high polymers such as PA and PE extrudes melt from spinneret orifices of a spinneret plate of a structural system of a spinning assembly, extruded melt thin streams are sequentially cooled, stretched and finally solidified into filament yarns, the filament yarns are used as post-spinning drafting precursor yarns or other purposes, the polylactic acid fibers are easy to degrade in the melt spinning process, particularly, the cooling conditions of circular air blowing of the polylactic acid fibers are severe, and the influence of the cooling on the physical indexes of the polylactic acid fibers is larger than that of other petroleum-based fibers.

The closed circular air blowing device is an important spinning unit in melt spinning, but the existing circular air blowing devices directly blow cold air to the surface of the polylactic acid fiber, and the air blowing mode causes uneven air supply and easy damage to the polylactic acid fiber.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a skin-core compound closed type annular blowing device special for polylactic acid fibers, which solves the problems mentioned in the technical background.

The technical purpose of the utility model is realized by the following technical scheme: the utility model provides a be used for special skin core compound closed ring blast apparatus of polylactic acid fibre, includes the rectification bucket, install the filtration dryer in the rectification bucket, rectification bucket bottom is connected with the surge chamber, the surge chamber with the junction of rectification bucket is provided with the guide pulley ring, the lateral wall of guide pulley ring evenly is equipped with a plurality of groups guide pulley blade, and two-layer setting about a plurality of groups guide pulley blade is, and is equipped with the space between a plurality of groups guide pulley blade of every layer, one side of surge chamber is connected with the one end of tube head, the other end of tube head is connected with the air-supply line through flexible pipe, be equipped with manual blast gate on the air-supply line.

As a further scheme of the utility model: one side of air-supply line is equipped with angle adjustment mechanism, angle adjustment mechanism is including the support frame, it is equipped with the lead screw to rotate on the support frame, the one end activity of lead screw articulates on the lateral wall of air-supply line.

As a further scheme of the utility model: and an observation cylinder is arranged at the bottom of the pressure stabilizing chamber.

As a further scheme of the utility model: the observation tube is characterized in that a lifting mechanism is connected to the bottom of the observation tube and comprises a lifting passage, a lifting cylinder and an airtight passage, the output end of the lifting cylinder is connected to the outer circumferential surface of the tube head, the bottom of the lifting passage is slidably arranged in the airtight passage, and a manual opening valve is arranged at the bottom of the airtight passage.

As a further scheme of the utility model: one side of airtight corridor is connected with return air adjustment mechanism, return air adjustment mechanism comprises dwang and blast gate, the dwang bottom is connected with the blast gate, the blast gate sets up one side of airtight corridor.

As a further scheme of the utility model: and a temperature detector is arranged on one side of the return air adjusting mechanism.

In conclusion, the utility model has the following beneficial effects:

1. the air inlet pipe is connected into the air conditioner air supply unit, the air conditioner air supply unit sends cooling air meeting the process requirements of air temperature, rheumatism and air pressure into the pressure stabilizing chamber through the air inlet pipe, the cooling air passes through the gap between the guide wheel blades of each layer on the side wall of the guide wheel ring, and can be uniformly conveyed to the filtering air cylinder, so that cooling melt trickle flow of the cooling air coming out of the filtering air cylinder can be uniform, the defects of fiber products can be effectively reduced, and the yield of the products is improved.

2. The observation cylinder is connected to the bottom of the pressure stabilizing chamber, so that the condition that the polylactic acid fiber is subjected to air cooling can be observed constantly, and some accidents can be avoided.

3. The bottom of the observation tube is connected with a lifting channel, the bottom of the lifting channel is arranged in the closed channel in a sliding manner, one side of the closed channel is provided with a return air adjusting mechanism, the strand silk has downward flowing air in the channel from top to bottom, the flowing air can be controlled through the return air adjusting mechanism, and the phenomenon that the flowing air is deflected to influence spinning is avoided.

4. The angle adjusting mechanism is arranged on one side of the air inlet pipe and comprises a support frame and a screw rod, the screw rod is arranged on the support frame in a rotating mode, one end of the screw rod is movably hinged to one side of the air inlet pipe, and through the arrangement, the angle of the air inlet pipe can be adjusted, so that the air inlet pipe can be better connected with an air supply unit, and the applicability of the device is improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the construction of the idler ring of the present invention;

FIG. 3 is a front view of the idler ring of the present invention;

in the figure: 1. a rectifying barrel; 2. a filtering air duct; 3. a guide wheel ring; 4. a plenum; 5. an observation cylinder; 6. a lifting channel; 7. a return air regulating mechanism; 8. rotating the rod; 9. a pipe head; 10. a lifting cylinder; 11. a telescopic pipe; 12. a manual air valve; 13. an air inlet pipe; 14. a temperature detector; 15. closing the channel; 16. a manual opening valve; 17. an air valve; 18. a support frame; 19. a screw rod; 20. and a guide wheel blade.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The utility model provides the following technical scheme;

as shown in fig. 1-3, a skin-core composite closed circular blowing device special for polylactic acid fiber comprises a rectifying barrel 1, a filtering wind barrel 2 is installed in the rectifying barrel 1, the bottom of the rectifying barrel 1 is connected with a pressure stabilizing chamber 4, a guide wheel ring 3 is arranged at the joint of the pressure stabilizing chamber 4 and the rectifying barrel 1, a plurality of groups of guide wheel blades 20 are uniformly arranged on the side wall of the guide wheel ring 3, the plurality of groups of guide wheel blades 20 are arranged in an upper layer and a lower layer, a gap is arranged between the plurality of groups of guide wheel blades 20 of each layer, one side of the pressure stabilizing chamber 4 is connected with one end of a tube head 9, the other end of the tube head 9 is connected with a wind inlet pipe 13 through a telescopic pipe 11, a manual air valve 12 is arranged on the wind inlet pipe 13, the wind inlet pipe 13 is connected into an air conditioning blower unit through the arrangement, the air conditioning blower unit sends cooling wind with the wind temperature, the wind speed and the wind pressure meeting the process requirements into the wind inlet pipe 13, and then opens the manual air valve 12, cooling air enters the pipe head 9 through the air inlet pipe 13 and the telescopic pipe 11 and then enters the pressure stabilizing chamber 4, the cooling air passes through a gap between each layer of guide wheel blades 20 on the side wall of the guide wheel ring 3 at the moment, so that the cooling air can uniformly enter the filtering air duct 2, uniform cooling air passes through uniform cooling melt trickle of the filtering air duct 2, the cooling trickle after air cooling stretching is formed into a root of solid fiber and is sent to a subsequent oiling process, the guide wheel ring 3 overcomes the defects of uneven air supply and pressure stabilizing fluctuation, so that the device can reduce the reject ratio and defects of fiber products, the structural design of the guide wheel ring 3 is permanently fixed in the pressure stabilizing chamber, the disassembly and cleaning are not needed, the processes are reduced, and the device is more convenient to use.

For traditional porous air equalizing plate air supply, the device air supply is more even, and traditional porous air equalizing plate export still need increase multilayer damping metal fine mesh and improve the uneven phenomenon of air supply, and traditional porous air equalizing plate and multilayer damping flat mesh still need often dismantle the washing in addition, have increased workman's intensity of labour to production efficiency has been reduced.

Specifically, the method comprises the following steps: one side of air-supply line 13 is equipped with angle adjusting mechanism, angle adjusting mechanism is including support frame 18, it is equipped with lead screw 19 to rotate on the support frame 18, the one end activity of lead screw 19 articulates on the lateral wall of air-supply line 13, through the aforesaid setting, lead screw 19 can be rotated, lead screw 19 rotates in support frame 18, make the position at lead screw 19 both ends remove, thereby can drive the angle of air-supply line 13, make air-supply line 13 can be more convenient be connected with air conditioner air supply unit, the device's convenience has been promoted.

Specifically, the method comprises the following steps: an observation tube 5 is arranged at the bottom of the surge chamber 4, and the observation tube 5 is arranged, so that the air supply cooling condition inside the observation device can be conveniently observed, accidents can be avoided, the device can be adjusted constantly according to the cooling condition, and the practicability of the device is improved.

Specifically, the method comprises the following steps: the bottom of the observation tube 5 is connected with a lifting mechanism, the lifting mechanism comprises a lifting channel 6, a lifting cylinder 10 and a closed channel 15, the output end of the lifting cylinder 10 is connected to the outer circumferential surface of the tube head 9, the bottom of the lifting channel 6 is slidably arranged in the closed channel 15, a manual opening valve 16 is arranged at the bottom of the closed channel 15, through the arrangement, the height of the tube head 9 can be adjusted by starting the lifting cylinder 10, the tube head 9 drives the pressure stabilizing chamber 4 to adjust, the height of the observation tube 5 can be adjusted, the lifting channel 6 is driven by the observation tube 5 to slide in the closed channel 15, and therefore the device can be adjusted to the height convenient to operate, the device is suitable for people with different heights, and the applicability of the device is improved.

Specifically, the method comprises the following steps: one side of airtight corridor 15 is connected with return air adjustment mechanism 7, and return air adjustment mechanism 7 comprises dwang 8 and air valve 17, and dwang 8 bottom is connected with air valve 17, and air valve 17 sets up in one side of airtight corridor 15, through the above-mentioned setting, rotates dwang 8, can control the switch of air valve 17 to wind direction flows in can controlling the corridor through the switch of air valve 17, avoids flowing wind to produce the phenomenon of disturbing and influences the spinning.

Specifically, the method comprises the following steps: one side of return air adjustment mechanism 7 is equipped with thermodetector 14, through setting up thermodetector 14, can know the temperature height in the device constantly for the staff can be quick adjusts the air supply temperature to air conditioner air supply unit, avoids the temperature unsuitable to the spacing production of polylactic acid to damage.

The working principle of the skin-core composite closed circular blowing device special for the polylactic acid fiber is as follows:

through connecting air-supply line 13 into air conditioner air supply unit, the cooling air that will satisfy production technology is sent into in the air-supply line 13, then open manual blast gate 12, the cooling air enters into tube head 9 through flexible pipe 11 this moment, then enter into surge chamber 4, the cooling air passes through the space between the guide wheel blade 20 of each layer on the guide wheel ring 3 lateral wall this moment, make the cooling air can be even get into to filter dryer 2, and guide wheel blade 20 is double-deck setting, make the cooling air can be more even get into to filter dryer 2, thereby make the cooling air that filters dryer 2 and come out can even cooling fuse-element trickle.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims (6)

1. A skin-core composite closed type annular blowing device special for polylactic acid fiber comprises a rectifying barrel (1) and is characterized in that;

install in rectification bucket (1) and filter dryer (2), rectification bucket (1) bottom is connected with surge chamber (4), surge chamber (4) with the junction of rectification bucket (1) is provided with guide wheel ring (3), the lateral wall of guide wheel ring (3) evenly is equipped with a plurality of groups guide wheel blade (20), and a plurality of groups guide wheel blade (20) are two-layer setting from top to bottom, and are equipped with the space between a plurality of groups guide wheel blade (20) of each layer, one side of surge chamber (4) is connected with the one end of tube head (9), the other end of tube head (9) is connected with air-supply line (13) through flexible pipe (11), be equipped with manual air-supply line (12) on air-supply line (13).

2. The sheath-core composite closed type annular blowing device special for the polylactic acid fiber as claimed in claim 1, wherein: one side of air-supply line (13) is equipped with angle adjustment mechanism, angle adjustment mechanism is including support frame (18), it is equipped with lead screw (19) to rotate on support frame (18), the one end activity of lead screw (19) articulates on the lateral wall of air-supply line (13).

3. The sheath-core composite closed type annular blowing device special for the polylactic acid fiber as claimed in claim 1, wherein: an observation cylinder (5) is arranged at the bottom of the pressure stabilizing chamber (4).

4. The sheath-core composite closed type annular blowing device special for the polylactic acid fiber as claimed in claim 3, wherein: observe a section of thick bamboo (5) bottom and be connected with elevating system, elevating system is including lift corridor (6), lift cylinder (10) and airtight corridor (15), the output of lift cylinder (10) is connected on the outer periphery of tube head (9), lift corridor (6) bottom slides and sets up in airtight corridor (15), airtight corridor (15) bottom is equipped with manual opening valve (16).

5. The sheath-core composite closed type annular blowing device special for the polylactic acid fiber as claimed in claim 4, wherein: one side of airtight corridor (15) is connected with return air adjustment mechanism (7), return air adjustment mechanism (7) comprises dwang (8) and blast gate (17), dwang (8) bottom is connected with blast gate (17), blast gate (17) set up one side of airtight corridor (15).

6. The sheath-core composite closed type annular blowing device special for the polylactic acid fiber as claimed in claim 5, wherein: and a temperature detector (14) is arranged on one side of the return air adjusting mechanism (7).

Images