Yarn steaming machine for combed acrylic core-spun yarn production and production process

Abstract

The invention relates to the technical field of yarn steaming, and provides a yarn steaming machine for combed acrylic covering yarn production and a production technology.The yarn steaming machine comprises a shell, a filling unit located at the bottom of the shell and a yarn steaming unit located in the shell, a stepping motor is fixedly connected to one side of the shell, and the output end of the stepping motor horizontally penetrates through one side of the shell and extends into the shell; the output end of the stepping motor is rotationally connected with the shell, the output end of the stepping motor is fixedly connected with a yarn steaming tank, a plurality of through holes are evenly formed in the yarn steaming tank, one side of the yarn steaming tank is rotationally connected with an air inlet pipe, and the air inlet pipe is communicated with the interior of the yarn steaming tank; in the process that the replacement assembly and the inner tank move along the inner wall of the outer tank, the first air groove and the second air groove are gradually staggered, loss of high-temperature steam in the yarn steaming tank is avoided, and then the problem that the combed acrylic covering yarn needs to be heated again when the yarn steaming machine cooks the combed acrylic covering yarn again is solved; and energy waste is avoided while the boiling period of the combed acrylic core-spun yarn is shortened.

Description

Technical Field

[0001] The invention relates to the technical field of yarn steaming, in particular to a yarn steaming machine for producing combed acrylic core-spun yarn and a production process thereof. Background Art

[0002] Yarn steaming machine is a kind of textile industry equipment, which treats yarn with wet heat by precisely controlling temperature and humidity to improve its physical properties, such as softness, glossiness and wrinkle resistance. The design of this equipment involves complex temperature and humidity control systems, steam generation and distribution technology, yarn delivery and tension control, as well as energy-saving and environmental protection measures. With the advancement of technology, modern yarn steaming machines tend to be automated and intelligent to improve efficiency and adapt to diverse textile process requirements.

[0003] In the current yarn steaming process, after the yarn steamer completes the steaming process of the combed acrylic core-spun yarn, the machine door needs to be opened to take out the finished yarn. However, opening the machine door will cause the heat in the yarn steamer to be lost quickly, resulting in the need to reheat the combed acrylic core-spun yarn when it is steamed again, which increases the steaming cycle of the combed acrylic core-spun yarn and causes energy waste. In addition, the combed acrylic core-spun yarn is mostly wrapped around the load-bearing roller, making it difficult to remove the combed acrylic core-spun yarn after steaming. Summary of the invention

[0004] The invention provides a yarn steaming machine and a production process for producing combed acrylic core-spun yarn. The yarn steaming unit can reduce heat loss when replacing yarn.

[0005] The technical solution of the present invention is as follows:

[0006] A yarn steaming machine for producing combed acrylic core-spun yarn, comprising: an outer shell, a filling unit located at the bottom of the outer shell, and a yarn steaming unit located in the outer shell, one side of the outer shell is fixedly connected to a stepper motor, the output end of the stepper motor horizontally penetrates one side of the outer shell and extends to the inside of the outer shell, the output end of the stepper motor is rotatably connected to the outer shell, the output end of the stepper motor is fixedly connected to a yarn steaming tank, a plurality of through holes are evenly provided on the yarn steaming tank, one side of the yarn steaming tank is rotatably connected to an air intake pipe, the air intake pipe is communicated with the inside of the yarn steaming tank, and one end of the air intake pipe horizontally penetrates one side of the inner wall of the outer shell and extends to the outside of the outer shell, the air intake pipe is fixedly connected to the outer shell, and disassembly mechanisms are provided on the inner walls on both sides of the outer shell;

[0007] The filling unit comprises a bottom plate, the four corners of the top of the bottom plate are fixedly connected with sliding rods, the top of the bottom plate is symmetrically fixedly connected with a telescopic rod, the output end of the telescopic rod is fixedly connected with a movable plate, the sliding rod vertically penetrates the movable plate and is slidably connected with the movable plate, the top of the movable plate is symmetrically fixedly connected with a first limit plate, one side of the first limit plate is horizontally provided with a limit groove, and a replacement component is arranged between the symmetrically arranged first limit plates;

[0008] The yarn steaming unit comprises a plurality of limiting rings rotatably connected to the outer wall of the yarn steaming tank and a plurality of outer tanks fixed to the inner wall of the yarn steaming tank. An inner tank is slidably connected to the outer tank, and one end of the inner tank extends out of the yarn steaming tank through a through hole.

[0009] A material changing port is provided on the outer shell, a material discharge plate is arranged in the material changing port, two sides of the material discharge plate are respectively fixedly connected to two sides of the inner wall of the outer shell, and a plurality of support rods are fixedly connected to the bottom of the outer shell.

[0010] Wherein, the disassembly mechanism includes a rack slidably connected to the inner wall of the shell and a fixing strip fixed to the inner wall of the shell, both ends of the rack are fixedly connected to a first elastic member, and the other end of the first elastic member is fixedly connected to the fixing strip.

[0011] Wherein, the replacement component includes a conical gear ring, a bearing plate is fixedly connected to the top of the conical gear ring, pins are symmetrically fixedly connected to the bearing plate, and one end of the pin is located in a limiting groove.

[0012] Among them, a bearing shaft is fixedly connected to the top of the bearing plate, and a plurality of through grooves are vertically opened on the bearing shaft. An expansion bar is slidably connected in the through grooves. A threaded rod is arranged in the bearing shaft, and one end of the threaded rod vertically penetrates the bearing plate and extends to the outside of the bearing plate. The threaded rod is rotatably connected to the bearing plate.

[0013] Among them, a connecting block is threadedly connected to the threaded rod, and the connecting block is located in the load-bearing shaft. A connecting rod is arranged between the connecting block and the expansion bar, one end of the connecting rod is rotatably connected to the expansion bar, and the other end of the connecting rod is rotatably connected to the connecting block.

[0014] Among them, the limiting ring is symmetrically provided with inclined sliding grooves, the outer tank is evenly provided with a plurality of first air grooves, the inner tank is evenly provided with a plurality of second air grooves, a second limiting plate is fixedly connected to the top of the inner tank, a second elastic member is sleeved on the inner tank, one end of the second elastic member is fixedly connected to the inner tank, and the other end of the second elastic member is fixedly connected to the outer wall of the yarn steaming tank.

[0015] A production process of a yarn steaming machine for producing combed acrylic core-spun yarn, the steps of which are as follows:

[0016] S1: firstly adjust the load-bearing diameter of the replacement component, then wind the combed acrylic core-spun yarn on the replacement component, and then place the replacement component on the moving plate;

[0017] S2: Start the telescopic rod so that the telescopic rod drives the replacement assembly on the movable plate to move toward the yarn steaming unit;

[0018] S3: When the yarn steaming unit engages the replacement component, the stepper motor is started, so that the stepper motor drives the yarn steaming unit to rotate through the yarn steaming tank;

[0019] S4: while starting the stepper motor, high-temperature steam is transported into the yarn steaming tank along the air inlet pipe;

[0020] S5: When the yarn steaming is completed, the disassembly mechanism removes the replacement component from the yarn steaming unit;

[0021] S6: Adjust the load-bearing diameter of the replacement component again and remove the combed acrylic core-spun yarn.

[0022] Compared with the prior art, the present invention has the following beneficial effects:

[0023] 1. In the process of replacing components and moving the inner tank along the inner wall of the outer tank, the first air groove and the second air groove are gradually staggered to avoid the loss of high-temperature steam in the yarn steaming tank, thereby solving the problem that the yarn steaming machine needs to reheat the combed acrylic core-spun yarn when steaming it again, shortening the steaming cycle of the combed acrylic core-spun yarn while avoiding energy waste.

[0024] 2. The present invention rotates the threaded rod in the replacement component counterclockwise to make the threaded rod drive the connecting block to move. The connecting block pulls the expansion bar through the connecting rod. The expansion bar moves along the through groove toward the inside of the load-bearing shaft, thereby reducing the load-bearing diameter of the load-bearing shaft, so that the combed acrylic core-spun yarn wound on the replacement component can be easily removed. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a three-dimensional schematic diagram of the present invention;

[0026] Figure 2 It is a three-dimensional schematic diagram of the internal structure of the present invention;

[0027] Figure 3 It is a three-dimensional schematic diagram of the yarn steaming tank of the present invention;

[0028] Figure 4 It is a three-dimensional schematic diagram of the disassembly mechanism of the present invention;

[0029] Figure 5 It is a three-dimensional schematic diagram of a filling unit of the present invention;

[0030] Figure 6 is a three-dimensional schematic diagram of a replacement assembly of the present invention;

[0031] Figure 7 It is an exploded schematic diagram of the internal structure of the replacement component of the present invention;

[0032] Figure 8 Schematic diagram of the three-dimensional structure of the yarn steaming unit of the present invention

[0033] Fig. 9It is an exploded schematic diagram of the three-dimensional structure of the yarn steaming unit of the present invention;

[0034] Fig.10 It is a flow chart of the present invention.

[0035] In the figure:

[0036] 1. Shell; 11. Stepper motor; 12. Yarn steaming tank; 13. Through hole; 14. Air inlet pipe; 15. Disassembly mechanism; 16. Material change port; 17. Discharge plate; 18. Support rod; 151. Rack; 152. Fixing bar; 153. First elastic member; 2. Filling unit; 21. Bottom plate; 22. Sliding rod; 23. Telescopic rod; 24. Moving plate; 25. First limit plate; 26. Limiting groove; 27. More Replacement assembly; 271, conical gear ring; 272, bearing plate; 273, pin; 274, bearing shaft; 275, through groove; 276, expansion strip; 277, threaded rod; 278, connecting block; 279, connecting rod; 3, yarn steaming unit; 31, limiting ring; 32, outer tank; 33, inner tank; 34, inclined slide groove; 35, first air groove; 36, second air groove; 37, second limiting plate; 38, second elastic member. DETAILED DESCRIPTION

[0037] The following embodiments of the present invention are described in further detail in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0038] The present invention provides a yarn steaming machine for producing combed acrylic core-spun yarn, comprising: a shell 1, a filling unit 2 located at the bottom of the shell 1, and a yarn steaming unit 3 located in the shell 1, one side of the shell 1 is fixedly connected to a stepper motor 11, the output end of the stepper motor 11 horizontally penetrates one side of the shell 1 and extends to the inside of the shell 1, the output end of the stepper motor 11 is rotatably connected to the shell 1, the output end of the stepper motor 11 is fixedly connected to a yarn steaming tank 12, a plurality of through holes 13 are evenly opened on the yarn steaming tank 12, and one side of the yarn steaming tank 12 is rotatably connected to an inlet The air pipe 14, the air inlet pipe 14 is connected with the interior of the yarn steaming tank 12, and one end of the air inlet pipe 14 horizontally penetrates one side of the inner wall of the shell 1 and extends to the outside of the shell 1, the air inlet pipe 14 is fixedly connected to the shell 1, and a disassembly mechanism 15 is provided on the inner walls on both sides of the shell 1; the replacement component 27 is sent into the yarn steaming unit 3 through the filling unit 2, and the yarn steaming tank 12 is rotated during yarn steaming. When the yarn steaming is completed, the yarn steaming unit 3 rotates to the disassembly mechanism 15, and the filling unit 2 that has completed the yarn steaming is taken out through the disassembly mechanism 15, and this process is repeated to perform yarn steaming.

[0039] The filling unit 2 includes a bottom plate 21, the four corners of the top of the bottom plate 21 are fixedly connected with sliding rods 22, the top of the bottom plate 21 is symmetrically fixedly connected with a telescopic rod 23, the output end of the telescopic rod 23 is fixedly connected with a movable plate 24, the sliding rod 22 vertically penetrates the movable plate 24 and is slidably connected to the movable plate 24, the top of the movable plate 24 is symmetrically fixedly connected with a first limit plate 25, a limit groove 26 is horizontally provided on one side of the first limit plate 25, and a replacement component 27 is arranged between the symmetrically arranged first limit plates 25; the telescopic rod 23 in the replacement component 27 will push the movable plate 24 to send the replacement component 27 into the yarn steaming unit 3.

[0040] The yarn steaming unit 3 includes a plurality of limit rings 31 rotatably connected to the outer wall of the yarn steaming tank 12 and a plurality of outer tanks 32 fixed to the inner wall of the yarn steaming tank 12. An inner tank 33 is slidably connected inside the outer tank 32. One end of the inner tank 33 extends out of the yarn steaming tank 12 through the through hole 13; the inner tank 33 can slide inside the outer tank 32.

[0041] Among them, a material changing port 16 is opened on the outer shell 1, and a discharge plate 17 is arranged in the material changing port 16. The two sides of the discharge plate 17 are respectively fixedly connected to the two sides of the inner wall of the outer shell 1, and a plurality of support rods 18 are fixedly connected to the bottom of the outer shell 1; the replacement component 27 disassembled by the disassembly mechanism 15 slides out through the discharge plate 17, and the outer shell 1 is supported by the support rods 18.

[0042] Among them, the disassembly mechanism 15 includes a rack 151 slidably connected to the inner wall of the outer shell 1 and a fixing bar 152 fixed on the inner wall of the outer shell 1. Both ends of the rack 151 are fixedly connected with a first elastic member 153, and the other end of the first elastic member 153 is fixedly connected to the fixing bar 152. When the rack 151 changes its position, the first elastic member 153 can allow the rack 151 to return to its original position, and at the same time make the connection between the rack 151 and the conical gear ring 271 more stable.

[0043] The replacement component 27 includes a conical gear ring 271 , a support plate 272 is fixedly connected to the top of the conical gear ring 271 , a pin 273 is symmetrically fixedly connected to the support plate 272 , and one end of the pin 273 is located in the limiting groove 26 .

[0044] Among them, a bearing shaft 274 is fixedly connected to the top of the bearing plate 272, and a plurality of through grooves 275 are vertically opened on the bearing shaft 274. An expansion bar 276 is slidably connected in the through groove 275. A threaded rod 277 is arranged in the bearing shaft 274, and one end of the threaded rod 277 vertically penetrates the bearing plate 272 and extends to the outside of the bearing plate 272. The threaded rod 277 is rotatably connected to the bearing plate 272.

[0045] Among them, a connecting block 278 is threadedly connected to the threaded rod 277, and the connecting block 278 is located inside the load-bearing shaft 274. A connecting rod 279 is arranged between the connecting block 278 and the expansion bar 276. One end of the connecting rod 279 is rotatably connected to the expansion bar 276, and the other end of the connecting rod 279 is rotatably connected to the connecting block 278. The inner diameter of the fiber core winding is changed by the expansion and contraction of the expansion bar 276, so as to facilitate the rapid removal of the yarn.

[0046] Among them, inclined sliding grooves 34 are symmetrically provided on the limiting ring 31, a plurality of first air grooves 35 are evenly provided on the outer tank 32, a plurality of second air grooves 36 are evenly provided on the inner tank 33, a second limiting plate 37 is fixedly connected to the top of the inner tank 33, a second elastic member 38 is sleeved on the inner tank 33, one end of the second elastic member 38 is fixedly connected to the inner tank 33, and the other end of the second elastic member 38 is fixedly connected to the outer wall of the yarn steaming tank 12, the first air grooves 35 and the second air grooves 36 can allow steam to pass through for yarn steaming when they overlap, and the steam stops entering when the first air grooves 35 and the second air grooves 36 are staggered.

[0047] A production process of a yarn steaming machine for producing combed acrylic core-spun yarn, the steps of which are as follows:

[0048] S1: firstly adjust the load-bearing diameter of the replacement component 27, then wind the combed acrylic core-spun yarn on the replacement component 27, and then place the replacement component 27 on the movable plate 24;

[0049] S2: Start the telescopic rod 23 so that the telescopic rod 23 drives the replacement assembly 27 on the movable plate 24 to move toward the yarn steaming unit 3;

[0050] S3: After the yarn steaming unit 3 engages the replacement component 27, the stepping motor 11 is started, so that the stepping motor 11 drives the yarn steaming unit 3 to rotate through the yarn steaming tank 12;

[0051] S4: while starting the stepper motor 11, high temperature steam is transported along the air inlet pipe 14 to the yarn steaming tank 12;

[0052] S5: When the yarn steaming is completed, the disassembly mechanism 15 disassembles the replacement component 27 from the yarn steaming unit 3;

[0053] S6: Adjust the load-bearing diameter of the replacement component 27 again and remove the combed acrylic core-spun yarn.

[0054] Embodiment 1: Figure 1-9As shown, in this embodiment, first, the threaded rod 277 in the replacement component 27 is rotated clockwise. Since the threaded rod 277 passes through the bearing plate 272 and is rotatably connected to the bearing plate 272, one end of the threaded rod 277 in the bearing shaft 274 is threadedly connected with a connecting block 278. The threaded rod 277 drives the connecting block 278 to move, and the connecting block 278 is rotatably connected to the connecting rod 279. The connecting rod 279 is rotatably connected to the expansion bar 276. The connecting block 278 pushes the expansion bar 276 through the connecting rod 279, and the expansion bar 276 moves along the through groove 275 toward the outside of the bearing shaft 274, thereby increasing the bearing diameter of the bearing shaft 274, and then increasing the bearing diameter of the replacement component 27.

[0055] The combed acrylic core-spun yarn is wound onto the replacement component 27 with a larger load-bearing diameter. When the combed acrylic core-spun yarn is wound, Figure 5 As shown, the replacement component 27 is placed on the top of the movable plate 24. Since the first limit plate 25 is symmetrically fixedly connected to the top of the movable plate 24, a limit groove 26 is horizontally opened on one side of the first limit plate 25, and a pin 273 is symmetrically fixedly connected to the supporting plate 272, when the replacement component 27 is placed on the top of the movable plate 24, the pin 273 is located in the limit groove 26.

[0056] When the pin 273 enters the inclined slot 34, the thrust of the telescopic rod 23 causes the pin 273 to move along the inclined slot 34, thereby driving the replacement component 27 to rotate. Since the top end of the inclined slot 34 is in a horizontal state, when the pin 273 moves to the end of the inclined slot 34, under the influence of the weight of the replacement component 27 and the combed acrylic core-spun yarn themselves, the replacement component 27 will be connected to the steaming unit 3, thereby ensuring that the replacement component 27 will not fall off from the steaming unit 3 during the steaming process, thereby ensuring the normal operation of the steaming machine.

[0057] When the pin 273 moves along the inclined slide groove 34, the supporting plate 272 pushes the inner tank 33 to move along the inner wall of the outer tank 32, so that the inner tank 33 compresses the outer shell 1 and the second elastic member 38 between it. Since a first air groove 35 is provided on the surface of the outer tank 32, and a second air groove 36 is provided on the surface of the inner tank 33, the first air groove 35 and the second air groove 36 gradually overlap during the movement of the inner tank 33 along the inner wall of the outer tank 32, so that the internal space of the yarn steaming unit 3 is connected with the internal space of the yarn steaming tank 12.

[0058] It should be noted that the support plate 272 and the inner tank 33 are squeezed against each other to form a sealed state, thereby preventing the internal steam from leaking out.

[0059] Start the stepper motor 11, and the output end of the stepper motor 11 drives the yarn steaming tank 12 to rotate. The yarn steaming tank 12 moves the yarn steaming unit 3 that is not filled with the replacement component 27 to the top of the filling unit 2. Repeat the above steps to install the load-bearing shaft 274 for each yarn steaming unit 3, connect the air inlet pipe 14 to the steam, and the air inlet pipe 14 is connected to the yarn steaming tank 12. The high-temperature steam enters the yarn steaming tank 12 along the air inlet pipe 14, and then passes through the first air groove 35 and the second air groove 36 to enter the interior of the yarn steaming unit 3, thereby steaming the combed acrylic core-spun yarn.

[0060] During the yarn steaming process, the stepper motor 11 drives the yarn steaming unit 3 and the replacement component 27 to gradually move toward the disassembly mechanism 15 through the yarn steaming tank 12. When the steaming of the combed acrylic core-spun yarn in the yarn steaming unit 3 is completed, the rack 151 in the disassembly mechanism 15 engages with the conical gear ring 271 in the replacement component 27. Along with the rotation of the yarn steaming tank 12, the replacement component 27 rotates under the action of the conical gear ring 271 and the rack 151, so that the pin 273 moves along the inclined slide groove 34. When the pin 273 disengages from the inclined slide groove 34, the replacement component 27 disengages from the yarn steaming unit 3 under the influence of its own gravity and is discharged along the discharge plate 17.

[0061] During the movement of the pin 273 along the inclined slide groove 34, the replacement component 27 gradually extends out of the outer tank 32 of the yarn steaming unit 3. During this process, the force on the second elastic member 38 gradually decreases, thereby assisting in pushing the replacement component 27 and the inner tank 33 to move along the inner wall of the outer tank 32.

[0062] During the process of replacing the component 27 and moving the inner tank 33 along the inner wall of the outer tank 32, the first air groove 35 and the second air groove 36 are gradually staggered to avoid the loss of high-temperature steam in the yarn steaming tank 12, thereby solving the problem of reheating the combed acrylic core-spun yarn when the yarn steamer steams it again, shortening the steaming cycle of the combed acrylic core-spun yarn while avoiding energy waste.

[0063] During the movement of the replacement component 27 and the inner tank 33 along the inner wall of the outer tank 32, the first elastic member 153 is compressed, thereby driving the rack 151 to slide along the inner wall of the outer shell 1, while keeping the rack 151 engaged with the conical gear ring 271, the replacement component 27 is moved out of the yarn steaming unit 3. When the replacement component 27 is discharged along the discharge plate 17, the first elastic member 153 drives the rack 151 to reset, so as to facilitate the subsequent disassembly of the replacement component 27.

[0064] After the replacement component 27 is discharged along the discharge plate 17, the threaded rod 277 in the replacement component 27 is rotated counterclockwise so that the threaded rod 277 drives the connecting block 278 to move, and the connecting block 278 pulls the expansion bar 276 through the connecting rod 279. The expansion bar 276 moves along the through groove 275 toward the inside of the load-bearing shaft 274, thereby reducing the load-bearing diameter of the load-bearing shaft 274, so that the combed acrylic core-spun yarn wrapped around the replacement component 27 can be easily removed.

[0065] The above steps are repeated to continuously steam the yarn, and the outer shell 1 is supported by the support rod 18 outside the outer shell 1.

[0066] Embodiment 2: Fig.10 As shown, this embodiment provides a production process of a yarn steaming machine for producing combed acrylic core-spun yarn, and the steps are as follows:

[0067] S1: firstly adjust the load-bearing diameter of the replacement component 27, then wind the combed acrylic core-spun yarn on the replacement component 27, and then place the replacement component 27 on the movable plate 24;

[0068] S2: Start the telescopic rod 23 so that the telescopic rod 23 drives the replacement assembly 27 on the movable plate 24 to move toward the yarn steaming unit 3;

[0069] S3: After the yarn steaming unit 3 is connected to the replacement component 27, the stepping motor 11 is started, so that the stepping motor 11 drives the yarn steaming unit 3 to rotate through the yarn steaming tank 12;

[0070] S4: while starting the stepper motor 11, high temperature steam is transported along the air inlet pipe 14 to the yarn steaming tank 12;

[0071] S5: When the yarn steaming is completed, the disassembly mechanism 15 disassembles the replacement component 27 from the yarn steaming unit 3;

[0072] S6: Adjust the load-bearing diameter of the replacement component 27 again and remove the combed acrylic core-spun yarn.

[0073] The embodiments of the present invention are provided for the purpose of illustration and description. Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations of the present invention. Ordinary technicians in this field can change, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. A yarn steaming machine for producing combed acrylic core-spun yarn, comprising: A shell (1), a filling unit (2) located at the bottom of the shell (1) and a yarn steaming unit (3) located in the shell (1), characterized in that: a stepper motor (11) is fixedly connected to one side of the shell (1), an output end of the stepper motor (11) horizontally penetrates one side of the shell (1) and extends to the inside of the shell (1), the output end of the stepper motor (11) is rotatably connected to the shell (1), the output end of the stepper motor (11) is fixedly connected to a yarn steaming tank (12), a plurality of through holes (13) are evenly provided on the yarn steaming tank (12), one side of the yarn steaming tank (12) is rotatably connected to an air intake pipe (14), the air intake pipe (14) is communicated with the inside of the yarn steaming tank (12), and one end of the air intake pipe (14) horizontally penetrates one side of the inner wall of the shell (1) and extends to the outside of the shell (1), the air intake pipe (14) is fixedly connected to the shell (1), and disassembly mechanisms (15) are provided on the inner walls of both sides of the shell (1); The filling unit (2) comprises a bottom plate (21), the top four corners of the bottom plate (21) are fixedly connected with sliding rods (22), the top of the bottom plate (21) is symmetrically fixedly connected with a telescopic rod (23), the output end of the telescopic rod (23) is fixedly connected with a movable plate (24), the sliding rod (22) vertically penetrates the movable plate (24) and is slidably connected with the movable plate (24), the top of the movable plate (24) is symmetrically fixedly connected with a first limiting plate (25), one side of the first limiting plate (25) is horizontally provided with a limiting groove (26), and a replacement component (27) is provided between the symmetrically arranged first limiting plates (25); The yarn steaming unit (3) comprises a plurality of limiting rings (31) rotatably connected to the outer wall of the yarn steaming tank (12) and a plurality of outer tanks (32) fixed to the inner wall of the yarn steaming tank (12); an inner tank (33) is slidably connected inside the outer tank (32); one end of the inner tank (33) extends out of the yarn steaming tank (12) through a through hole (13).

2. The yarn steaming machine for producing combed acrylic core-spun yarn according to claim 1, characterized in that: The outer shell (1) is provided with a material exchange port (16), a material discharge plate (17) is arranged in the material exchange port (16), two sides of the material discharge plate (17) are respectively fixedly connected to two sides of the inner wall of the outer shell (1), and a plurality of support rods (18) are fixedly connected to the bottom of the outer shell (1).

3. The yarn steaming machine for producing combed acrylic core-spun yarn according to claim 1, characterized in that: The disassembly mechanism (15) comprises a rack (151) slidably connected to the inner wall of the outer shell (1) and a fixing strip (152) fixed to the inner wall of the outer shell (1), both ends of the rack (151) are fixedly connected to a first elastic member (153), and the other end of the first elastic member (153) is fixedly connected to the fixing strip (152).

4. The yarn steaming machine for producing combed acrylic core-spun yarn according to claim 1, characterized in that: The replacement assembly (27) comprises a conical gear ring (271), a bearing plate (272) being fixedly connected to the top of the conical gear ring (271), a pin (273) being symmetrically fixedly connected to the bearing plate (272), and one end of the pin (273) being located in the limiting groove (26).

5. The yarn steaming machine for producing combed acrylic core-spun yarn according to claim 4, characterized in that: A bearing shaft (274) is fixedly connected to the top of the bearing plate (272), a plurality of through grooves (275) are vertically provided on the bearing shaft (274), an expansion bar (276) is slidably connected in the through groove (275), a threaded rod (277) is arranged in the bearing shaft (274), one end of the threaded rod (277) vertically passes through the bearing plate (272) and extends to the outside of the bearing plate (272), and the threaded rod (277) is rotatably connected to the bearing plate (272).

6. The yarn steaming machine for producing combed acrylic core-spun yarn according to claim 5, characterized in that: A connecting block (278) is threadedly connected to the threaded rod (277), and the connecting block (278) is located inside the bearing shaft (274). A connecting rod (279) is provided between the connecting block (278) and the expansion bar (276), and one end of the connecting rod (279) is rotatably connected to the expansion bar (276), and the other end of the connecting rod (279) is rotatably connected to the connecting block (278).

7. The yarn steaming machine for producing combed acrylic core-spun yarn according to claim 1, characterized in that: The limiting ring (31) is symmetrically provided with inclined sliding grooves (34), the outer tank (32) is evenly provided with a plurality of first air grooves (35), the inner tank (33) is evenly provided with a plurality of second air grooves (36), the top of the inner tank (33) is fixedly connected with a second limiting plate (37), the inner tank (33) is sleeved with a second elastic member (38), one end of the second elastic member (38) is fixedly connected to the inner tank (33), and the other end of the second elastic member (38) is fixedly connected to the outer wall of the yarn steaming tank (12).

8. A production process of a yarn steamer for producing combed acrylic core-spun yarn, using the yarn steamer for producing combed acrylic core-spun yarn according to claim 1, characterized in that: The steps are as follows: S1: firstly, adjusting the load-bearing diameter of the replacement component (27), then winding the combed acrylic core-spun yarn on the replacement component (27), and then placing the replacement component (27) on the movable plate (24); S2: starting the telescopic rod (23), so that the telescopic rod (23) drives the replacement component (27) located on the movable plate (24) to move toward the yarn steaming unit (3); S3: After the yarn steaming unit (3) engages the replacement component (27), the stepping motor (11) is started, so that the stepping motor (11) drives the yarn steaming unit (3) to rotate via the yarn steaming tank (12); S4: while starting the stepping motor (11), high-temperature steam is transported along the air inlet pipe (14) to the yarn steaming tank (12); S5: When the yarn steaming is completed, the disassembly mechanism (15) disassembles the replacement component (27) from the yarn steaming unit (3); S6: Adjust the load-bearing diameter of the replacement component (27) again and remove the combed acrylic core-spun yarn.

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