CN214694658U - Anti yellow equipment of dacron yarn - Google Patents

Abstract

The utility model relates to a dacron yarn technical field just discloses an anti yellow equipment of dacron yarn, including anti yellow equipment main part and the jar of keeping in, the equal fretwork in top of anti yellow equipment main part and the jar of keeping in, anti yellow equipment main part is located the right side of jar of keeping in, anti yellow equipment main part is linked together through circulating pipe and shunt tubes with the jar of keeping in. This anti yellow equipment of dacron yarn, liquid medicine after the filtration gets into in the medicine collecting cavity, through starting the water pump, and open the ooff valve on the circulating pipe, close the ooff valve on the shunt tubes, can flow into the medicine soaking cavity with the liquid medicine in the medicine collecting cavity through the circulating pipe, accomplish the recycling of liquid medicine, through closing the ooff valve on the circulating pipe, open the ooff valve on the shunt tubes simultaneously, during starting the water pump, the liquid medicine that filters out the filtration will flow in through circulating pipe and shunt tubes and keep in the jar of keeping in, be used for next time, prevent to be detained in equipment inside long-term, and influence its life.

Description

Anti yellow equipment of dacron yarn

Technical Field

The utility model relates to a dacron yarn technical field specifically is a dacron yarn's anti yellow equipment.

Background

The polyester yarn is cotton yarn used for producing polyester, the polyester is fiber made by spinning a polymer, the fiber is mostly produced by taking ethylene terephthalate as a raw material at present, the yarn is fine threads (usually used as raw materials for weaving) formed by lengthening and twisting the fiber such as cotton, wool, hemp, chemical fiber and the like, and then a plurality of fine threads formed by twisting the fine thread materials such as cotton, hemp, silk, wool and the like are called as threads. The anti yellow phenomenon such as appear comparatively easily after long-time the use of polyester yarn, need carry out anti yellow processing to polyester yarn, the accessible gives the anti yellow liquid medicine of polyester yarn upper story, satisfies the demand, but current anti yellow equipment of polyester yarn can not carry out recycle to liquid medicine, causes the waste of liquid medicine, and inside liquid medicine long-term existence equipment in addition, the life of influence equipment.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides an anti yellow equipment of dacron yarn possesses and to carry out cyclic utilization to liquid medicine, and can work the back filtration and play the liquid medicine of working and keep in, prevents the advantage of detaining in the inside long-term of equipment, has solved current anti yellow equipment of dacron yarn and can not carry out recycle to liquid medicine, causes the waste of liquid medicine, and liquid medicine exists inside the equipment for a long time moreover, influences the life's of equipment problem.

The utility model provides a following technical scheme: the utility model provides an anti yellow equipment of dacron yarn, includes anti yellow equipment main part and the jar of keeping in, anti yellow equipment main part and the equal fretwork in top of the jar of keeping in, anti yellow equipment main part is located the right side of the jar of keeping in, anti yellow equipment main part is linked together through circulating pipe and shunt tubes with the jar of keeping in, the left surface fixed connection of circulating pipe and anti yellow equipment main part, the end of advancing of circulating pipe runs through the left surface of anti yellow equipment main part and extends to its inner chamber, the play medicine end of circulating pipe runs through the top of anti yellow equipment main part and extends to its inner chamber, the left surface through connection of shunt tubes and circulating pipe, the top of the jar of keeping in is run through and extends to its inner chamber in the bottom of shunt tubes, all be equipped with the ooff valve on shunt tubes and the circulating pipe, be located the ooff valve on the circulating pipe is located the top of shunt tubes, be equipped with the water pump on the circulating pipe, the water pump is located the below of shunt tubes, the inner chamber of anti yellow equipment main part is equipped with album medicine chamber, soaks medicine chamber and stoving chamber, collection medicine chamber is located the below of soaking the medicine chamber, the stoving chamber is located album medicine chamber and soaks the right side in medicine chamber, stoving chamber and album medicine chamber and soak and have the baffle between the medicine chamber, album medicine chamber and soak fixed mounting have the connecting block between the medicine chamber, the inside of connecting block is the cavity form, the inside fixed mounting of connecting block has the filter screen, the left surface and the right flank of anti yellow equipment main part are equipped with first line mouth and third line mouth of crossing respectively, it crosses the line mouth to be equipped with the second on the baffle between stoving chamber and album medicine chamber and the medicine chamber of soaking, the inside of first line mouth, third line mouth and second line mouth of crossing is run through there is the polyester yarn, the left surface fixed mounting who soaks the medicine chamber has a pair of second support arm and a pair of first support arm, and is a pair of second support arm is located a pair of first support arm's top, a second fixed shaft is fixedly arranged between the pair of second supporting arms, a second rolling wheel is sleeved on the outer surface of the second fixed shaft in a movable manner, a first fixed shaft is fixedly arranged between the pair of first supporting arms, a first rolling wheel is sleeved on the outer surface of the first fixed shaft in a movable manner, the first rolling wheel is positioned above the filter screen, a pair of third supporting arms is fixedly arranged on the right side surface of the medicine soaking cavity, a third fixed shaft is fixedly arranged between the pair of third supporting arms, a third rolling wheel is sleeved on the outer surface of the third fixed shaft in a movable manner, a pair of fixed blocks are fixedly arranged at the tops of the drying cavity and the partition plate between the medicine collecting cavity and the medicine soaking cavity, a fourth fixed shaft is fixedly arranged between the fixed blocks, a cover plate is movably connected to the outer surface of the fourth fixed shaft, and the length of the cover plate is greater than that of the top of the drying cavity, the right side of the top of the cover plate is fixedly provided with a handle, the bottom of the drying cavity is fixedly provided with a first motor, the output end of the first motor is fixedly connected with a first rotating shaft, the top of the first rotating shaft is fixedly connected with fan blades, the left side surface and the right side surface of the drying cavity are both fixedly provided with heat insulation plates, a heating plate is fixedly arranged between the two heat insulation plates, one end of the heating plate is connected with a lead, the heating plate is positioned above the fan blades, the right side surface of the anti-yellowing equipment main body is fixedly provided with a support plate, the top of the support plate is fixedly provided with a second motor, the output end of the second motor is fixedly connected with a second rotating shaft, the outer surface of the second rotating shaft is fixedly sleeved with a stop block, the outer surface of the second rotating shaft is provided with threads, the second rotating shaft is connected with a nut through threads, and the outer surface of the second rotating shaft is movably sleeved with a wire collecting barrel, the wire collecting cylinder is positioned between the stop block and the screw cap.

Preferably, the medicine inlet end of the circulating pipe is positioned at the bottom of the medicine collecting cavity.

Preferably, the length of the first support arm is greater than the length of the second support arm.

Preferably, the top of the second wire rolling wheel is positioned at the central line position of the second supporting arm, the top of the third wire rolling wheel is positioned at the central line position of the second wire passing port, and the top of the wire collecting cylinder is positioned at the central line position of the third wire passing port.

Preferably, the heat insulation plate is a mica heat insulation plate.

Preferably, the heights of the tops of the second and third rollers are the same.

Preferably, the outer surface of the wire collecting cylinder is provided with a groove.

Preferably, the heating plate is positioned below the third wire passing port and the second wire passing port.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. this anti yellow equipment of dacron yarn can filter the fixed impurity that the liquid medicine that soaks in the medicine chamber contains through the filter screen, and the liquid medicine after the filtration gets into in the medicine chamber of collection, through starting the water pump to open the ooff valve on the circulating pipe, close the ooff valve on the shunt tubes, can flow into the medicine chamber that soaks through the circulating pipe with the liquid medicine in the medicine chamber of collection, accomplishes the circulation of liquid medicine and uses.

2. This anti yellow equipment of dacron yarn through closing the ooff valve on the circulating pipe, opens the ooff valve on the shunt tubes simultaneously, and when starting the water pump, the play liquid medicine of crossing the filter will flow in through circulating pipe and shunt tubes and keep in the jar of keeping in for next use prevents to be detained in equipment inside long-term, and influences its life.

Drawings

FIG. 1 is a schematic view of the cross-sectional structure of the present invention;

fig. 2 is a schematic diagram of the side view structure of the present invention.

In the figure: 1. an anti-yellowing device body; 2. a third wire passing port; 3. a second motor; 4. a second rotating shaft; 5. a support plate; 6. a second wire passing port; 7. a drying cavity; 8. a heat insulation plate; 9. a heat generating plate; 10. a fan blade; 11. a first rotating shaft; 12. a first motor; 13. a cover plate; 14. a handle; 15. a fixed block; 16. a fourth fixed shaft; 17. a third fixed shaft; 18. a third wire rolling wheel; 19. a second thread rolling wheel; 20. a second fixed shaft; 21. Polyester yarn; 22. a first wire passing port; 23. a second support arm; 24. a first thread rolling wheel; 25. a first fixed shaft; 26. a first support arm; 27. an on-off valve; 28. a shunt tube; 29. a temporary storage tank; 30. a water pump; 31. a circulation pipe; 32. a medicine collecting cavity; 33. a medicine soaking cavity; 34. a filter screen; 35. connecting blocks; 36. a stopper; 37. a nut; 38. a thread; 39. a wire collecting cylinder; 40. a third support arm.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, an anti-yellowing device for polyester yarns comprises an anti-yellowing device main body 1 and a temporary storage tank 29, wherein the tops of the anti-yellowing device main body 1 and the temporary storage tank 29 are hollow, the anti-yellowing device main body 1 is positioned on the right side of the temporary storage tank 29, the anti-yellowing device main body 1 and the temporary storage tank 29 are communicated with each other through a circulating pipe 31 and a dividing pipe 28, the circulating pipe 31 is fixedly connected with the left side surface of the anti-yellowing device main body 1, the medicine inlet end of the circulating pipe 31 penetrates through the left side surface of the anti-yellowing device main body 1 and extends to the inner cavity of the anti-yellowing device main body, the medicine inlet end of the circulating pipe 31 is positioned at the bottom of a medicine collecting cavity 32, so that liquid medicine in the medicine collecting cavity 32 can smoothly and completely flow out of the circulating pipe 31, the medicine outlet end of the circulating pipe 31 penetrates through the top of the anti-yellowing device main body 1 and extends to the inner cavity of the anti-yellowing device main body, the dividing pipe 28 is communicated with the left side surface of the circulating pipe 31, the bottom of the dividing pipe 28 penetrates through the top of the temporary storage tank 29 and extends to the inner cavity of the dividing pipe 28, the shunt tubes 28 and the circulating tubes 31 are respectively provided with a switch valve 27, the switch valve 27 on the circulating tube 31 is positioned above the shunt tubes 28, the circulating tube 31 is provided with a water pump 30, when the water pump 30 is started, filtered liquid medicine flows into the temporary storage tank 29 through the circulating tube 31 and the shunt tubes 28 for temporary storage for next use by closing the switch valve 27 on the circulating tube 31 and simultaneously opening the switch valve 27 on the shunt tubes 28, the water pump 30 is positioned below the shunt tubes 28, an inner cavity of the anti-yellowing equipment main body 1 is provided with a medicine collecting cavity 32, a medicine soaking cavity 33 and a drying cavity 7, the medicine collecting cavity 32 is positioned below the medicine soaking cavity 33, the drying cavity 7 is positioned at the right sides of the medicine collecting cavity 32 and the medicine soaking cavity 33, a partition board is arranged between the drying cavity 7 and the medicine collecting cavity 32 and the medicine soaking cavity 33, and a connecting block 35 is fixedly arranged between the medicine collecting cavity 32 and the medicine soaking cavity 33, the inside of the connecting block 35 is hollow, the filter screen 34 is fixedly installed inside the connecting block 35, because the polyester yarn 21 contains solid impurities, the liquid medicine can enter the liquid medicine in the soaking process, the fixed impurities contained in the liquid medicine in the medicine soaking cavity 33 can be filtered through the filter screen 34, the filtered liquid medicine enters the medicine collecting cavity 32, the liquid medicine can flow into the medicine soaking cavity 33 through the circulating pipe 31 by starting the water pump 30 and opening the switch valve 27 on the circulating pipe 31 and closing the switch valve 27 on the shunt pipe 28, so as to complete the recycling of the liquid medicine, the left side surface and the right side surface of the anti-yellowing equipment main body 1 are respectively provided with a first thread passing port 22 and a third thread passing port 2, a second thread passing port 6 is arranged on a partition board between the drying cavity 7 and the medicine collecting cavity 32 and the medicine soaking cavity 33, the yarn 21 penetrates through the insides of the first thread passing port 22, the third thread passing port 2 and the second thread passing port 6, a pair of second supporting arms 23 and a pair of first supporting arms 26 are fixedly arranged on the left side surface of the drug soaking cavity 33, the pair of second supporting arms 23 are positioned above the pair of first supporting arms 26, the length of the first supporting arms 26 is greater than that of the second supporting arms 23, the first thread rolling wheel 24 is positioned on the right side of the second thread rolling wheel 19, the polyester yarns 21 are smoother in the moving process and more convenient to install on the polyester yarns 21, a second fixing shaft 20 is fixedly arranged between the pair of second supporting arms 23, the second thread rolling wheel 19 is movably sleeved on the outer surface of the second fixing shaft 20, a first fixing shaft 25 is fixedly arranged between the pair of first supporting arms 26, the first thread rolling wheel 24 is movably sleeved on the outer surface of the first fixing shaft 25, the first thread rolling wheel 24 is positioned above the filter screen 34, a pair of third supporting arms 40 is fixedly arranged on the right side surface of the drug soaking cavity 33, and a third fixing shaft 17 is fixedly arranged between the pair of third supporting arms 40, the outer surface of the third fixed shaft 17 is movably sleeved with a third rolling wheel 18, the top heights of the second rolling wheel 19 and the third rolling wheel 18 are the same, the first rolling wheel 24 is simultaneously positioned below the second rolling wheel 19 and the third rolling wheel 18, the polyester yarn 21 can be soaked in liquid medicine, a pair of fixed blocks 15 are fixedly arranged at the top of a partition plate between the drying cavity 7 and the medicine collecting cavity 32 and the medicine soaking cavity 33, a fourth fixed shaft 16 is fixedly arranged between the pair of fixed blocks 15, a cover plate 13 is movably connected to the outer surface of the fourth fixed shaft 16, when the polyester yarn 21 is dried, the cover plate 13 is closed, the heat loss is reduced, the drying efficiency is improved, the length of the cover plate 13 is larger than that of the top of the drying cavity 7, a pull handle 14 is fixedly arranged on the right side of the top of the cover plate 13, the pull handle 14 can conveniently open and close the cover plate 13, a first motor 12 is fixedly arranged at the bottom of the drying cavity 7, the output end of the first motor 12 is fixedly connected with a first rotating shaft 11, the top of the first rotating shaft 11 is fixedly connected with a fan blade 10, the left side surface and the right side surface of the drying cavity 7 are both fixedly provided with heat insulation plates 8, the heat insulation plates 8 are mica heat insulation plates, because mica sheets have heat insulation and insulation characteristics, the heating plate 9 can be safer after being electrified, the heating plate 9 is fixedly arranged between the two heat insulation plates 8, one end of the heating plate 9 is connected with a lead, the heating plate 9 is positioned above the fan blade 10, the heating plate 9 is positioned below the third wire passing port 2 and the second wire passing port 6, the right side surface of the anti-yellowing equipment main body 1 is fixedly provided with a support plate 5, the top of the support plate 5 is fixedly provided with a second motor 3, the output end of the second motor 3 is fixedly connected with a second rotating shaft 4, the outer surface of the second rotating shaft 4 is fixedly sleeved with a stop block 36, the outer surface of the second rotating shaft 4 is provided with threads 38, the utility model discloses a polyester yarn winding machine, including second pivot 4, be connected with nut 37 through screw thread 38 on the second pivot 4, line concentration section of thick bamboo 39 has been cup jointed in the surface activity of second pivot 4, the top height of second gyro wheel 19 is located the central line position of second support arm 23, the top height of third gyro wheel 18 is located the central line position of second line mouth 6, the top height of line concentration section of thick bamboo 39 is located the central line position of third line mouth 2, make polyester yarn 21 can not touch anti yellow equipment main part 1 at the removal in-process, in order to prevent influencing the anti yellow quality to polyester yarn 21, line concentration section of thick bamboo 39 is located between dog 36 and nut 37, line concentration section of thick bamboo 39's surface is equipped with the recess, can carry out better spacing to polyester yarn 21 in the winding.

The working principle is as follows: firstly, a yarn collecting drum 39 is sleeved on a second rotating shaft 4, then a screw cap 37 is installed on the second rotating shaft 4, the yarn collecting drum 39 is fixed between the screw cap 37 and a stop block 36, then the polyester yarn 21 is inserted into a yarn collecting cavity 32 from a first yarn passing port 22, then the end of the polyester yarn 21 is held by hands from the top of the yarn collecting cavity 32, the polyester yarn 21 passes through the top of a second wire rolling wheel 19, the bottom of a first wire rolling wheel 24 and the top of a third wire rolling wheel 18 respectively until the polyester yarn passes through a second yarn passing port 6 and enters a drying cavity 7, a cover plate 13 is in an open state, the end of the polyester yarn 21 passes through a third yarn passing port 2 from the top of the drying cavity 7, and finally the polyester yarn is fixed on the yarn collecting drum 39, then the prepared liquid medicine is filled from the top of the yarn collecting cavity 32 until the first wire rolling wheel 24, and a part of the polyester yarn 21 is located in the liquid medicine, then the cover plate 13 is closed, the lead on the heating plate 9 is connected with the power supply to generate heat, the first motor 12 is started to rotate the fan blades 10, the heat is moved upwards, the yarn collecting barrel 39 can be rotated by starting the second motor 3 to drive the polyester yarns 21 to move, the polyester yarns 21 soaked with the liquid medicine are dried when moving to the drying cavity 7, then the polyester yarns are wound on the yarn collecting barrel 39, fixed impurities contained in the liquid medicine in the medicine soaking cavity 33 can be filtered through the filter screen 34, the filtered liquid medicine enters the medicine collecting cavity 32, the switch valve 27 on the circulating pipe 31 is opened by starting the water pump 30, the switch valve 27 on the dividing pipe 28 is closed, the liquid medicine in the medicine collecting cavity 32 can flow into the medicine soaking cavity 33 through the circulating pipe 31 to complete the recycling of the liquid medicine, the switch valve 27 on the circulating pipe 31 is closed, and the switch valve 27 on the dividing pipe 28 is opened at the same time, under the action of the water pump 30, the filtered liquid medicine flows into the temporary storage tank 29 through the circulating pipe 31 and the shunt pipe 28 for temporary storage for the next use.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. The utility model provides an anti yellow equipment of dacron yarn, includes anti yellow equipment main part (1) and scratch jar (29), its characterized in that: anti yellow equipment main part (1) and the top of keeping in jar (29) all fretwork, anti yellow equipment main part (1) is located the right side of keeping in jar (29), anti yellow equipment main part (1) and jar (29) of keeping in are linked together through circulating pipe (31) and shunt tubes (28), the left surface fixed connection of circulating pipe (31) and anti yellow equipment main part (1), the end of advancing medicine of circulating pipe (31) runs through the left surface of anti yellow equipment main part (1) and extends to its inner chamber, the end of going out medicine of circulating pipe (31) runs through the top of anti yellow equipment main part (1) and extends to its inner chamber, the left surface through connection of shunt tubes (28) and circulating pipe (31), the top of keeping in jar (29) is run through and extends to its inner chamber in the bottom of shunt tubes (28), all be equipped with ooff valve (27) on shunt tubes (28) and circulating pipe (31), be located ooff valve (27) on circulating pipe (31) is located the top of shunt tubes (28), be equipped with water pump (30) on circulating pipe (31), water pump (30) are located the below of shunt tubes (28), the inner chamber of anti yellow equipment main part (1) is equipped with collection medicine chamber (32), soaks medicine chamber (33) and stoving chamber (7), collection medicine chamber (32) is located the below of soaking medicine chamber (33), stoving chamber (7) is located collection medicine chamber (32) and soaks the right side of medicine chamber (33), there is the baffle between stoving chamber (7) and collection medicine chamber (32) and soaks medicine chamber (33), collection medicine chamber (32) and soaks between medicine chamber (33) fixed mounting have connecting block (35), the inside of connecting block (35) is the cavity form, the inside fixed mounting of connecting block (35) has filter screen (34), the left surface and the right flank of anti yellow equipment main part (1) are equipped with first cross line mouth (22) and third respectively and cross line mouth (2), the drying cavity (7), the drug collecting cavity (32) and the drug soaking cavity (33) are provided with a second thread passing port (6) on a partition plate, the first thread passing port (22), the third thread passing port (2) and the second thread passing port (6) are internally penetrated by polyester yarns (21), the left side surface of the drug soaking cavity (33) is fixedly provided with a pair of second supporting arms (23) and a pair of first supporting arms (26), the second supporting arms (23) are positioned above the first supporting arms (26), the second supporting arms (23) are fixedly provided with a second fixing shaft (20), the outer surface of the second fixing shaft (20) is movably sleeved with a second thread rolling wheel (19), the first supporting arms (26) are fixedly provided with a first fixing shaft (25), the outer surface of the first fixing shaft (25) is movably sleeved with a first thread rolling wheel (24), first gyro wheel (24) are located the top of filter screen (34), soak the right flank fixed mounting of medicine chamber (33) have a pair of third support arm (40), and is a pair of fixed mounting has third fixed axle (17) between third support arm (40), the surface activity of third fixed axle (17) has cup jointed third gyro wheel (18), stoving chamber (7) and the top fixed mounting of the baffle between medicine chamber (32) and the medicine chamber (33) of collection have a pair of fixed block (15), and is a pair of fixed block (16) fixed mounting has fourth fixed axle (16) between fixed block (15), the surface swing joint of fourth fixed axle (16) has apron (13), the length of apron (13) is greater than the length at stoving chamber (7) top, the right side fixed mounting at apron (13) top has handle (14), the bottom fixed mounting of stoving chamber (7) has first motor (12), the output end of the first motor (12) is fixedly connected with a first rotating shaft (11), the top of the first rotating shaft (11) is fixedly connected with fan blades (10), the left side surface and the right side surface of the drying cavity (7) are both fixedly provided with heat insulation plates (8), a heating plate (9) is fixedly arranged between the two heat insulation plates (8), one end of the heating plate (9) is connected with a lead, the heating plate (9) is positioned above the fan blades (10), the right side surface of the anti-yellowing equipment main body (1) is fixedly provided with a support plate (5), the top of the support plate (5) is fixedly provided with a second motor (3), the output end of the second motor (3) is fixedly connected with a second rotating shaft (4), the outer surface of the second rotating shaft (4) is fixedly sleeved with a stop block (36), and the outer surface of the second rotating shaft (4) is provided with threads (38), the wire collecting device is characterized in that a nut (37) is connected onto the second rotating shaft (4) through threads (38), a wire collecting barrel (39) is movably sleeved on the outer surface of the second rotating shaft (4), and the wire collecting barrel (39) is located between the stop block (36) and the nut (37).

2. The anti-yellowing equipment for polyester yarn according to claim 1, wherein: the medicine inlet end of the circulating pipe (31) is positioned at the bottom of the medicine collecting cavity (32).

3. The anti-yellowing equipment for polyester yarn according to claim 1, wherein: the length of the first support arm (26) is greater than the length of the second support arm (23).

4. The anti-yellowing equipment for polyester yarn according to claim 1, wherein: the top height of the second wire rolling wheel (19) is positioned at the central line position of the second supporting arm (23), the top height of the third wire rolling wheel (18) is positioned at the central line position of the second wire passing port (6), and the top height of the wire collecting cylinder (39) is positioned at the central line position of the third wire passing port (2).

5. The anti-yellowing equipment for polyester yarn according to claim 1, wherein: the heat insulation plate (8) is a mica heat insulation plate.

6. The anti-yellowing equipment for polyester yarn according to claim 1, wherein: the second rolling wheel (19) and the third rolling wheel (18) have the same top height.

7. The anti-yellowing equipment for polyester yarn according to claim 1, wherein: the outer surface of the wire collecting cylinder (39) is provided with a groove.

8. The anti-yellowing equipment for polyester yarn according to claim 1, wherein: the heating plate (9) is positioned below the third wire passing port (2) and the second wire passing port (6).

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