Preparation method of high-elasticity warm-keeping polyester composite yarn

Abstract

The invention discloses a high-elasticity warm-keeping polyester composite yarn preparation method, an oiling device is used, the oiling device comprises an outer shell, an oil feeding seat and an oil supplementing control device, the oil feeding seat is positioned and installed in the outer shell, an oil cavity is formed in the oil feeding seat, a composite yarn vertically penetrates through the oil cavity to complete oiling operation, the outer shell is provided with a first oiling agent channel, and the oil supplementing control device is arranged in the first oiling agent channel. The oil supply seat is provided with a second oil channel, the first oil channel is correspondingly connected with the second oil channel, the oil supplementing control device comprises a channel controller and a movable sleeve, the channel controller is provided with an oil conveying pipeline, and the movable sleeve is installed on the outer side of the outer shell and is in transmission connection with the channel controller; according to the method, a specially-designed oiling device is applied to meet the oiling operation requirement of the silk yarn, the oiling device is provided with an oil cavity, the silk yarn can be evenly oiled after passing through the oil cavity, due to the fact that the volume of the oil cavity is small and intermittent oil supplementing is adopted, the use amount of an oiling agent is well controlled, and the oiling effect is good. And the problem of oil agent waste is well solved.

Description

Technical Field

[0001] The invention relates to the technical field of spinning production, and more specifically to a method for preparing high-elasticity thermal insulation polyester composite yarn. Background Art

[0002] Composite yarn refers to a new style of silk thread made by woven from two or more raw yarns. Compared with single raw yarn, composite yarn can combine the advantages of multiple fibers and has better performance. Polyester composite yarn is a new type of composite yarn product formed by composite processing. It is widely favored by users because of its high elasticity and warmth retention properties.

[0003] In the production process of polyester composite yarn, oiling the yarn is an extremely important step. Oiling can give the yarn good anti-static properties, enhance the softness and strength of the yarn, improve the processing performance of the yarn, etc. In the existing polyester composite yarn production, the yarn is often oiled by combining an oil tank and an oil roller. However, this type of oiling equipment has problems such as large waste of oil, uneven oiling, and difficulty in controlling the amount of oiling. The level of oiling operation on the yarn determines the final quality of the polyester composite yarn production. It is urgently needed to update and improve the process equipment in the oiling link, and this case is born out of this. Summary of the invention

[0004] The purpose of the present invention is to overcome the shortcomings of the above-mentioned prior art and provide a method for preparing highly elastic and warm polyester composite yarn. The method uses a specially designed oiler to meet the oiling operation requirements of the silk thread. The oiler has an oil chamber, and the silk thread can be evenly oiled after passing through the oil chamber. Since the oil chamber has a small volume and intermittent oil replenishment, the amount of oil used is well controlled and the problem of oil waste is well solved.

[0005] In order to achieve the above object, the present invention adopts the following technical solution:

[0006] A method for preparing a high-elasticity thermal insulation polyester composite yarn comprises the following steps:

[0007] (a) The first raw silk is first input into the deformation hot box for heating and deformation operation;

[0008] (b) The first raw silk output from the deformation heat box is cooled by a cooling plate and then input into a false twister for false twist deformation;

[0009] (c) the first raw silk after false twisting and deformation is input into a heat setting box for heat setting operation;

[0010] (d) The first raw yarn output from the shaping hot box and the second raw yarn directly delivered are gathered at the network nozzle, and the network nozzle is used to make a network and align the yarn to form a composite yarn;

[0011] (e) The composite wire passes through an oiler to complete the oiling process;

[0012] (f) The oiled composite yarn is rolled into a finished yarn roll through a winding device.

[0013] The oiler includes an outer shell, an oil supply seat and an oil replenishment control device. The outer shell is provided with a mounting hole, the oil supply seat is positioned and inserted into the mounting hole, an oil cavity is provided in the oil supply seat, the composite wire vertically passes through the oil cavity to complete the oiling operation, the outer shell is provided with a first oil agent channel, the oil supply seat is provided with a second oil agent channel, the first oil agent channel and the second oil agent channel are correspondingly connected, the second oil agent channel is connected to the oil cavity, the oil replenishment control device includes a channel controller and a movable sleeve, the channel controller is equipped with an oil pipeline, the movable sleeve is installed on the outside of the outer shell, the movable sleeve is transmission-connected to the channel controller, when the movable sleeve moves in a direction close to the channel controller, the oil pipeline and the first oil agent channel can be gradually connected, and when the movable sleeve moves in a direction away from the channel controller, the connection relationship between the oil pipeline and the first oil agent channel can be gradually cut off.

[0014] Furthermore, the inner wall of the mounting hole of the outer shell is provided with two symmetrically arranged positioning ridges, and the outer wall of the oil filling seat is provided with two symmetrically arranged positioning grooves. When the oil filling seat is installed, the positioning ridges can be inserted into the positioning grooves one by one, and through the cooperation between the positioning ridges and the positioning grooves, the first oil channel and the second oil channel are connected correspondingly.

[0015] Furthermore, two symmetrically arranged L-shaped pressure plate seats are installed on the top of the outer shell, the upper ends of the L-shaped pressure plate seats are threadedly installed on the top of the outer shell, and the lower ends of the L-shaped pressure plate seats are pressed onto the oil supply seat.

[0016] Furthermore, the oil feeding seat is installed vertically, a wire feeding seat is installed on the top of the oil feeding seat, a wire outlet seat is installed on the bottom of the oil feeding seat, the wire feeding seat and the wire outlet seat are arranged correspondingly up and down, the wire feeding seat and the wire outlet seat are installed by threaded connection, a first wire hole is opened on the wire feeding seat, and a second wire hole is opened on the wire outlet seat, and the first wire hole and the second wire hole can only accommodate a single composite wire to pass through.

[0017] Furthermore, the wire travel length of the second wire hole is set to -cm.

[0018] Furthermore, the channel controller includes a box body and a piston, the box body is fixedly connected to the outer wall of the outer shell, a piston hole is opened in the box body, the piston is matched and installed in the piston hole, the first oil channel is connected to the piston hole, the oil pipeline is connected to the box body, and the oil pipeline is also connected to the piston hole. When the piston moves downward, it can block the connection between the oil pipeline and the first oil channel, and when the piston moves upward, it can connect the oil pipeline with the first oil channel.

[0019] Furthermore, there are two channel controllers, which are symmetrically installed. The movable sleeve is mounted on the outside of the outer shell, and two push rods are connected to the movable sleeve. The two push rods are respectively connected to the pistons in the two channel controllers. A spring is mounted on the outside of the push rod, one end of the spring is connected to the movable sleeve, and the other end is connected to the box body. When only affected by the elastic force of the spring, the piston and the movable sleeve are in a downward movement state.

[0020] Furthermore, the oil replenishment control device also includes a drive sleeve power assembly, the drive sleeve power assembly includes a plate frame, a main rotating shaft, a motor, and a passive pulley, the plate frame includes a vertical plate and two horizontal plates, the two horizontal plates are arranged in parallel, the main rotating shaft is rotatably installed on the two horizontal plates, the output end of the motor is connected to the main rotating shaft, the two ends of the main rotating shaft are respectively connected to two driving pulleys, the two passive pulleys are respectively rotatably installed on the two horizontal plates, the driving pulleys and the passive pulleys are arranged one by one and are connected by belt transmission, each of the passive pulleys is coaxially connected to a cam, the two cams are installed at the same angle, and the movable sleeve keeps in contact with the outer edge of the cam.

[0021] Furthermore, a protrusion is provided on the outer edge of the cam, and when the movable sleeve contacts the protrusion of the cam, the movable sleeve is pushed upward.

[0022] Furthermore, the outer wall of the outer shell is connected to a flange seat, and the vertical plate is fixedly connected to the flange seat.

[0023] The beneficial effects of the present invention are:

[0024] The method of the present invention uses a specially designed oiler to meet the oiling operation requirements of the silk thread. The oiler has an oil chamber, and the silk thread can be evenly oiled after passing through the oil chamber. Since the oil chamber has a small volume and adopts intermittent oil replenishment, the amount of oil used is well controlled, which can not only meet the needs of constantly providing new oil for the silk thread, but also solve the problem of oil waste. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 is a cross-sectional view of the internal structure of an oiler in this embodiment;

[0026] Figure 2 is a top view of the structure of an oiler in this embodiment;

[0027] Figure 3 is a side structural diagram of an oiler in this embodiment;

[0028] Figure 4 It is a schematic diagram of the transmission structure of the drive sleeve power assembly in this embodiment.

[0029] Figure numerals: outer shell 1, mounting hole 11, positioning ridge 111, first oil agent channel 12, L-shaped pressure plate seat 13, flange seat 14, oil supply seat 2, oil chamber 21, second oil agent channel 22, wire inlet seat 23, first wire hole 231, wire outlet seat 24, second wire hole 241, positioning groove 25, oil replenishment control device 3, channel controller 31, oil pipeline 311, box body 312, piston hole 3121, piston 313, movable sleeve 32, push rod 321, spring 322, drive sleeve power assembly 33, plate frame 331, vertical plate 3311, horizontal plate 3312, main shaft 332, motor 333, active pulley 334, passive pulley 335, cam 336, protrusion 3361. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0031] A method for preparing a high-elasticity thermal insulation polyester composite yarn comprises the following steps:

[0032] (a) The first raw silk is first input into the deformation hot box for heating and deformation operation;

[0033] (b) The first raw silk output from the deformation heat box is cooled by a cooling plate and then input into a false twister for false twist deformation;

[0034] (c) the first raw silk after false twisting and deformation is input into a heat setting box for heat setting operation;

[0035] (d) The first raw yarn output from the shaping hot box and the second raw yarn directly delivered are gathered at the network nozzle, and the network nozzle is used to make a network and align the yarn to form a composite yarn;

[0036] (e) The composite wire passes through an oiler to complete the oiling process;

[0037] (f) The oiled composite yarn is rolled into a finished yarn roll through a winding device.

[0038] In the method of the present invention, the first raw silk is used as the base silk. After a series of processes such as heating deformation, false twist deformation and heat setting, the first raw silk has the characteristic of good elasticity. The second raw silk adopts yarn with good thermal insulation. After the first raw silk and the second raw silk are meshed and paralleled to form a composite silk, the composite silk combines the advantages of the first raw silk and the second raw silk to form a highly elastic and thermal polyester composite silk.

[0039] In step (e), an oiler is used, such as Figure 1-Figure 4 As shown, the oiler includes an outer shell 1, an oil supply seat 2 and an oil replenishment control device 3. The outer shell 1 is provided with a mounting hole 11, and the oil supply seat 2 is positioned and installed in the mounting hole 11. An oil chamber 21 is provided in the oil supply seat 2, and functional oil is stored in the oil chamber 21. The composite wire vertically passes through the oil chamber 21 to complete the oiling operation. A single oiler of the present invention is only responsible for completing the oiling operation of a single composite wire. The outer shell 1 is provided with a first oil channel 12, and the oil supply seat 2 is provided with a second oil channel 22. The first oil channel 12 and the second oil channel 22 are correspondingly connected, and the second oil channel 22 is connected to the oil chamber 21. The oil chamber 21 of the present invention has a small volume and can only meet the oiling operation in a short time. As the amount of oil in the oil chamber 21 becomes less, it is necessary to replenish the oil through the first oil channel 12 and the second oil channel 22. The small-volume oil chamber 21 is designed to reduce oil waste and provide new oil to the silk thread all the time to ensure the oiling quality (the traditional oil tank is open, and the oil container The oil replenishment control device 3 is used to solve the oil replenishment demand of the oil chamber 21. The oil replenishment control device 3 includes a channel controller 31 and a movable sleeve 32. The channel controller 31 is equipped with an oil pipeline 311, and the oil pipeline 311 can maintain a pressure oil supply state. The movable sleeve 32 is installed on the outer side of the outer shell 1. The movable sleeve 32 is connected to the channel controller 31 in a transmission connection. When the movable sleeve 32 moves in a direction close to the channel controller 31, the oil pipeline 311 and the first oil agent channel 12 can be gradually connected, and the oil pipeline 311 can form an oil replenishment operation for the oil chamber 21. When the movable sleeve 32 moves in a direction away from the channel controller 31, the connection relationship between the oil pipeline 311 and the first oil agent channel 12 can be gradually cut off. At this time, the oil pipeline 311 cannot replenish the oil chamber 21, and the oil on the silk thread is supplied by relying on the stock oil in the oil chamber 21.

[0040] like Figure 1As shown, the inner wall of the mounting hole 11 of the outer shell 1 is provided with two symmetrically arranged positioning ridges 111, and the outer wall of the oil supply seat 2 is provided with two symmetrically arranged positioning grooves 25. When the oil supply seat 2 is installed, the positioning ridges 111 can be inserted into the positioning grooves 25 one by one. The positioning ridges 111 and the positioning grooves 25 are designed to form an installation guide for the oil supply seat 2. Through the cooperation of the positioning ridges 111 and the positioning grooves 25, after the oil supply seat 2 is installed, the first oil agent channel 12 and the second oil agent channel 22 are connected and communicated with each other, as shown in FIG. Figure 1 and Figure 2 As shown, two symmetrically arranged L-shaped pressure plate seats 13 are installed on the top of the outer shell 1, the upper end of the L-shaped pressure plate seat 13 is threadedly installed on the top of the outer shell 1, and the lower end of the L-shaped pressure plate seat 13 is pressed on the oil supply seat 2. During actual assembly, the wire is first passed through the oil supply seat 2, and then the oil supply seat 2 is installed into the mounting hole 11 of the outer shell 1, and then the L-shaped pressure plate seat 13 is installed to tighten and fix it. The L-shaped pressure plate seat 13 is installed in an inverted manner.

[0041] like Figure 1 As shown, the oil feeding seat 2 is installed vertically, a wire feeding seat 23 is installed on the top of the oil feeding seat 2, and a wire outlet seat 24 is installed on the bottom of the oil feeding seat 2, the wire feeding seat 23 and the wire outlet seat 24 are arranged correspondingly up and down, the composite wire is introduced by the wire feeding seat 23, and the wire outlet seat 24 is led out, and passes through the oil chamber 21 vertically from top to bottom. Since the oil chamber 21 is vertical, the stock oil is concentrated at the end of the wire outlet seat 24, ensuring that the oiling operation is always guaranteed when there is oil. The wire feeding seat 23 and the wire outlet seat 24 are installed by threaded connection. The wire feeding seat 23 and the wire outlet seat 24 are detachable and can be disassembled and replaced when using wires of different diameters. The wire feeding seat 23 is provided with a first wire hole 231, and the wire outlet seat 24 is provided with a first wire hole 232. A second wire hole 241 is provided, and the first wire hole 231 and the second wire hole 241 can only accommodate a single composite wire to pass through. The apertures of the first wire hole 231 and the second wire hole 241 do not affect the transmission of the composite wire, and will not cause oil leakage when relying on the tension of the oil agent. The wire stroke length of the second wire hole 241 is set to 2-3 cm. The wire entering the second wire hole 241 is already stained with oil. The purpose of designing a longer wire stroke is to squeeze the oil agent on the surface of the wire. The oil agent can achieve a uniform oiling effect on the wire under the action of the hole wall squeezing, and can also squeeze the oil agent into various positions of the composite wire to improve the oiling quality.

[0042] like Figure 1As shown, the channel controller 31 includes a box body 312 and a piston 313. The box body 312 is fixedly connected to the outer wall of the outer shell 1. A piston hole 3121 is opened in the box body 312. The piston 313 is matched and installed in the piston hole 3121. The first oil channel 12 is connected to the piston hole 3121. The oil pipeline 311 is connected to the box body 312. The oil pipeline 311 is also connected to the piston hole 3121. The piston 313 can be vertically lifted and lowered along the piston hole 3121. The present invention utilizes the vertical lifting function of the piston 313 to control the opening and closing of the oil delivery. When the piston 313 moves downward, it can block the connection between the oil pipeline 311 and the first oil channel 12. When the piston 313 moves upward, it can connect the oil pipeline 311 with the first oil channel 12. The number of channel controllers 31 is two, and the two channel controllers 31 are symmetrically installed. That is to say, the oil chamber 21 can be filled with oil in two ways to ensure the replenishment speed of the oil. The movable sleeve 32 is sleeved on the outer The outer part of the housing 1 is provided with a spring 322, one end of the spring 322 is connected to the movable sleeve 32, and the other end is connected to the box body 312. The movable sleeve 32 and the piston 313 are linked together by the push rod 321. When only the elastic force of the spring 322 is applied, the piston 313 and the movable sleeve 32 are in a downward movement state. At this time, the piston 313 can block the connection between the oil pipeline 311 and the first oil agent channel 12. The oil chamber 21 relies on the internal oil storage to complete the oiling operation. The upward movement of the movable sleeve 32 can drive the push rod 321 and the piston 313 to move upward. At this time, the oil pipeline 311 and the first oil agent channel 12 can be gradually connected, and the upward movement of the movable sleeve 32 is realized by the driving sleeve power assembly 33.

[0043] like Figure 3 and Figure 4As shown, the oil replenishment control device 3 also includes a drive sleeve power component 33, which includes a plate frame 331, a main shaft 332, a motor 333, and a passive pulley 335. The plate frame 331 includes a vertical plate 3311 and two horizontal plates 3312, and the two horizontal plates 3312 are arranged in parallel. The main shaft 332 is rotatably mounted on the two horizontal plates 3312, and the output end of the motor 333 is connected to the main shaft 332. Two driving pulleys 334 are connected to the two ends of the main shaft 332, and two passive pulleys 335 are respectively rotated. Installed on two transverse plates 3312, the driving pulley 334 and the passive pulley 335 are arranged one by one and connected by belt transmission, each passive pulley 335 is coaxially connected with a cam 336, the cam 336 and the passive pulley 335 can rotate synchronously, the two cams 336 are installed at the same angle, the movable sleeve 32 keeps in contact with the outer edge of the cam 336, the motor 333 is started to drive the main shaft 332 to rotate, and then the driving pulley 334 and the passive pulley 335 form a synchronous rotation effect of the two cams 336 As a result, a protrusion 3361 is provided on the outer edge of the cam 336. When the movable sleeve 32 contacts the protrusion 3361 of the cam 336, the movable sleeve 32 is pushed upward. At this time, the piston 313 moves upward, and the spring 322 is compressed. As the rotation passes over the protrusion 3361, the movable sleeve 32 and the piston 313 move downward under the restoring force of the spring 322. The starting frequency of the drive sleeve power component 33 is adjusted according to the oil use rate of the oil chamber 21. When the oil reserve in the oil chamber 21 is set to be less than 10%, the drive sleeve power component 33 starts The cam 336 rotates one circle to supply oil to the oil chamber 21 once. The connection time length of the oil delivery pipeline 311 and the first oil agent channel 12 is controlled according to the length of the protrusion 3361. The connection time length of the single oil delivery pipeline 311 and the first oil agent channel 12 is required to restore the oil storage amount in the oil chamber 21 to about 90%. The oil replenishment control device 3 adopts intermittent oil supply. With the design of the small container oil chamber 21, the use efficiency of the oil can be significantly improved, the waste of oil can be solved, and the freshness of the oil used for oiling can be guaranteed.

[0044] like Figure 3 As shown, the outer wall of the outer shell 1 is connected to a flange seat 14, and the oiler of the present invention is connected to the silk production equipment through the flange seat 14. Each composite silk is equipped with an oiler of the present invention, and the vertical plate 3311 is fixedly connected to the flange seat 14, so that the drive sleeve power assembly 33 is stably installed.

[0045] The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims

1. A method for preparing a high-elasticity thermal insulation polyester composite yarn, characterized in that: The steps include: (a) The first raw silk is first input into the deformation hot box for heating and deformation operation; (b) The first raw silk output from the deformation heat box is cooled by a cooling plate and then input into a false twister for false twist deformation; (c) the first raw silk after false twisting and deformation is input into a heat setting box for heat setting operation; (d) The first raw yarn output from the shaping hot box and the second raw yarn directly delivered are gathered at the network nozzle, and the network nozzle is used to make a network and align the yarn to form a composite yarn; (e) The composite wire passes through an oiler to complete the oiling process; (f) The oiled composite yarn is rolled into a finished yarn roll through a winding device. The oiler comprises an outer shell (1), an oil supply seat (2) and an oil replenishment control device (3); the outer shell (1) is provided with a mounting hole (11); the oil supply seat (2) is positioned and installed in the mounting hole (11); an oil cavity (21) is provided in the oil supply seat (2); the composite wire vertically passes through the oil cavity (21) to complete the oiling operation; the outer shell (1) is provided with a first oil agent channel (12); the oil supply seat (2) is provided with a second oil agent channel (22); the first oil agent channel (12) and the second oil agent channel (22) are correspondingly connected; the second oil agent channel (22) is connected to the oil cavity (21); the oil replenishment control device (3) is provided with a first oil agent channel (12) and ...) are connected to the second oil agent channel (21); the oil replenishment control device (3) is provided with a first oil agent channel (12) and a second oil agent channel (22) are connected to the second oil agent channel (21); the second oil agent channel (22) is connected to the second oil agent channel (21); the oil replenishment control device (3) is provided with a first oil agent channel (12) and a second oil agent channel (22) are connected to the second oil agent channel (21); the second oil agent channel (22) is connected to the second oil agent channel (21); the second oil agent channel (22) is connected to the second oil agent channel (21); the second oil agent channel (22) is connected to the second oil agent channel (21); the second oil agent channel (22) is connected to the second oil agent channel (21); the second oil agent channel (22) is connected to the second oil agent channel (21); the second The control device (3) comprises a channel controller (31) and a movable sleeve (32), wherein the channel controller (31) is provided with an oil pipeline (311), and the movable sleeve (32) is installed on the outside of the outer shell (1). The movable sleeve (32) is transmission-connected with the channel controller (31), and when the movable sleeve (32) moves in a direction approaching the channel controller (31), the oil pipeline (311) and the first oil agent channel (12) can be gradually connected, and when the movable sleeve (32) moves in a direction away from the channel controller (31), the connection relationship between the oil pipeline (311) and the first oil agent channel (12) can be gradually cut off.

2. The method for preparing a high elastic thermal insulation polyester composite yarn according to claim 1, characterized in that: The inner wall of the mounting hole (11) of the outer shell (1) is provided with two symmetrically arranged positioning convex strips (111), and the outer wall of the oil supply seat (2) is provided with two symmetrically arranged positioning grooves (25). When the oil supply seat (2) is installed, the positioning convex strips (111) can be inserted into the positioning grooves (25) one by one, and through the cooperation between the positioning convex strips (111) and the positioning grooves (25), the first oil agent channel (12) and the second oil agent channel (22) are connected correspondingly.

3. The method for preparing a high elastic thermal insulation polyester composite yarn according to claim 1, characterized in that: Two symmetrically arranged L-shaped pressure plate seats (13) are installed on the top of the outer shell (1), the upper end of the L-shaped pressure plate seat (13) is threadedly installed on the top of the outer shell (1), and the lower end of the L-shaped pressure plate seat (13) is pressed onto the oil supply seat (2).

4. The method for preparing a high elastic thermal insulation polyester composite yarn according to claim 1, characterized in that: The oil feeding seat (2) is installed vertically, a wire feeding seat (23) is installed on the top of the oil feeding seat (2), and a wire outlet seat (24) is installed on the bottom of the oil feeding seat (2). The wire feeding seat (23) and the wire outlet seat (24) are arranged correspondingly up and down, and the wire feeding seat (23) and the wire outlet seat (24) are installed by threaded connection. The wire feeding seat (23) is provided with a first wire hole (231), and the wire outlet seat (24) is provided with a second wire hole (241). The first wire hole (231) and the second wire hole (241) can only accommodate a single composite wire to pass through.

5. The method for preparing a high elastic thermal insulation polyester composite yarn according to claim 1, characterized in that: The thread travel length of the second thread hole (241) is set to 2-3 cm.

6. The method for preparing a high elastic thermal insulation polyester composite yarn according to claim 1, characterized in that: The channel controller (31) comprises a box body (312) and a piston (313); the box body (312) is fixedly connected to the outer wall of the outer shell (1); a piston hole (3121) is provided in the box body (312); the piston (313) is matched and installed in the piston hole (3121); the first oil agent channel (12) is connected to the piston hole (3121); the oil delivery pipeline (311) is connected to the box body (312); the oil delivery pipeline (311) is also connected to the piston hole (3121); when the piston (313) moves downward, it can block the oil delivery pipeline (311) from being connected to the first oil agent channel (12); when the piston (313) moves upward, it can connect the oil delivery pipeline (311) to the first oil agent channel (12).

7. A method for preparing a high elastic thermal insulation polyester composite yarn according to claim 6, characterized in that: The number of the channel controllers (31) is two, and the two channel controllers (31) are symmetrically installed. The movable sleeve (32) is sleeved on the outside of the outer shell (1), and two push rods (321) are connected and installed on the movable sleeve (32). The two push rods (321) are respectively connected to the pistons (313) in the two channel controllers (31). A spring (322) is sleeved on the outside of the push rod (321), and one end of the spring (322) is connected to the movable sleeve (32), and the other end is connected to the box body (312). When only the elastic force of the spring (322) acts, the piston (313) and the movable sleeve (32) are in a downward movement state.

8. The method for preparing a high-elasticity thermal insulation polyester composite yarn according to claim 1, characterized in that: The oil replenishment control device (3) further comprises a drive sleeve power assembly (33), the drive sleeve power assembly (33) comprising a plate frame (331), a main rotating shaft (332), a motor (333), and a passive pulley (335), the plate frame (331) comprising a vertical plate (3311) and two horizontal plates (3312), the two horizontal plates (3312) being arranged in parallel, the main rotating shaft (332) being rotatably mounted on the two horizontal plates (3312), the output end of the motor (333) being in contact with the main rotating shaft (332), The two ends of the main rotating shaft (332) are respectively connected to two active pulleys (334), and the two passive pulleys (335) are respectively rotatably mounted on the two transverse plates (3312). The active pulleys (334) and the passive pulleys (335) are arranged in a one-to-one correspondence and are connected through a belt transmission. Each of the passive pulleys (335) is coaxially connected to a cam (336), and the two cams (336) are installed at the same angle, and the movable sleeve (32) keeps in contact with the outer edge of the cam (336).

9. A method for preparing a high-elasticity thermal insulation polyester composite yarn according to claim 8, characterized in that: The outer edge of the cam (336) is provided with a protrusion (3361), and when the movable sleeve (32) contacts the protrusion (3361) of the cam (336), the movable sleeve (32) is pushed upward.

10. The method for preparing a high-elasticity thermal insulation polyester composite yarn according to claim 8, characterized in that: The outer wall of the outer shell (1) is connected to a flange seat (14), and the vertical plate (3311) is fixedly connected to the flange seat (14).

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