Polymer spinning bobbin and high-speed spinning equipment

Abstract

The polymer spinning bobbin is used in high-speed spinning equipment and is characterized in that the polymer spinning bobbin comprises an outer barrel and an inner barrel, the outer barrel is arranged on the outer side of the inner barrel in a sleeved mode, a part of one end of the inner barrel extends towards the radial outer side to form a protruding part, and the protruding part extends to the position opposite to the inner barrel in the axial direction; a gap is formed between the end faces, opposite to the outer cylinder, of the protruding part, the first part of the gap is a gap in tight contact to form a wire clamping groove, and the second part of the gap is a gap in non-tight contact to form a wire guiding groove. The outer cylinder comprises a first cylinder part and a second cylinder part, the first cylinder part is sleeved on the outer side of the second cylinder part, the first cylinder part is made of a soft high polymer material, and the second cylinder part is made of a hard high polymer material. By means of the macromolecule spinning bobbin, the over-tail withdrawing rate in spinning operation can be improved, the switching success rate is increased, and collision at the moment when the bobbin makes contact with an equipment pressure roller is buffered.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of textile machinery industry, and particularly relates to a spinning bobbin made of high polymer material and applied to a winding head of a POY, DTY, FDY, HOY, UDY, MOY, FOY, BCF and TCS high-speed spinning equipment. BACKGROUND

[0002] In the prior art, a large number of paper bobbins, hereinafter referred to as paper bobbins, are needed in the spinning production process of the textile industry. Due to the material characteristics of the paper bobbins, the paper bobbins are deformed and the strength is reduced when they are wet, so the paper bobbins can only be used once. The direct disadvantage is that the spinning cost is increased, and the indirect disadvantage is that a large amount of wood is consumed in the production of the paper bobbins, and a large amount of three wastes pollute the environment seriously. Since the bobbin for spinning has high requirements on tensile strength, bending strength and density, and the process requirements of the guide groove and the clamping groove gap thereon are strict, even the paper bobbins cannot meet the use requirements by using ordinary paper materials and processing technology. Among them, the paper is mostly imported special paper, and a large amount of foreign exchange is needed for purchase.

[0003] Since the spinning equipment is updated to high-speed equipment above 9000 rpm, people have continuously developed spinning bobbins made of other materials. For example, a plastic spinning bobbin made of all-hard material exists in the prior art. When the empty / full roll switching is used, the surface hardness of the hard polymer material is high, and when the fine convexity of the bobbin surface is greater than or equal to 5 um, radial runout will occur under the condition of high-speed rotation (9000 rpm) of the winding head, which will cause the collision between the winding head and the pressure shaft lever. Even if the collision is slight, the spindle of the winding head will shake violently, and the pressure shaft lever and the spindle of the winding head cannot be stably and closely connected, which will cause the uneven tension of the yarn bundle and the over-standard breakage rate (over-tail retreat rate) in the subsequent spinning process. CONTENT OF THE UTILITY MODEL

[0004] In view of the above, the application provides a polymer spinning tube capable of improving the over tail withdrawal rate, which comprises an outer tube and an inner tube, the outer tube is sleeved outside the inner tube, one end of the inner tube extends to the radial outside to form a protruding portion, the protruding portion extends to a position opposite to the inner tube in the axial direction, a gap is formed between the end face of the protruding portion opposite to the outer tube, a first part of the gap is a closely contacted gap to form a clamping groove, and a second part of the gap is a non-closely contacted gap to form a guide groove; the outer tube comprises a first tube portion and a second tube portion, the first tube portion is sleeved outside the second tube portion, the first tube portion and the second tube portion are made of polymer materials with different hardness, the material hardness of the first tube portion is smaller than that of the second tube portion, a breaking hook is arranged in the guide groove, the breaking hook is integrally formed on the outer tube and protrudes from the outer tube to the protruding portion, a cavity is arranged on the radial inside of the breaking hook, there are two breaking hooks, a gap is formed between the two breaking hooks, and the two breaking hooks are symmetrically arranged with the gap therebetween.

[0005] The above specific structure is adopted, the second tube portion with high hardness is used to make the skeleton of the tube in the inner layer to ensure the rigid strength of the tube, and the first tube portion with softness is used to make the buffer layer of the tube in the surface layer to ensure the good buffering function of the tube when the tube contacts the pressure shaft, so that the noise and shaking are reduced, and the over tail withdrawal rate is improved.

[0006] In addition, the breaking hook is arranged in the guide groove, the breaking hook is integrally formed on the first tube portion and protrudes from the first tube portion to the protruding portion, a cavity is arranged on the radial inside of the breaking hook, there are two breaking hooks, a gap is formed between the two breaking hooks, and the two breaking hooks are symmetrically arranged with the gap therebetween, so that the tube can be used in two directions, the operator does not need to distinguish, and the operation is greatly facilitated.

[0007] As a possible implementation manner, the clamping groove is a V-shaped groove.

[0008] The above possible implementation manner is adopted, the clamping groove can clamp the spinning yarn, so that the polymer spinning tube can fix the spinning yarn to realize subsequent yarn winding.

[0009] Optionally, the length of the clamping groove in the circumferential direction is greater than that of the guide groove.

[0010] Through the guide groove, the spinning yarn can smoothly enter the clamping groove.

[0011] As a possible implementation manner, the clamping groove is connected with the guide groove through a transition groove, and the opening size of the transition groove is larger closer to the guide groove.

[0012] Optionally, the end surface of the breaking hook facing the protruding part is an inclined surface inclined to the axial direction and the radial direction, and the closer to the gap, the farther away from the protruding part. The radial outer surface of the breaking hook is formed as an inclined surface, and the closer to the protruding part, the more inclined to the radial inner side.

[0013] With the above possible implementation, the spinning thread connected to the full bobbin can be easily broken.

[0014] The breaking hook symmetrically arranged in the guide groove can enable the polymer spinning bobbin to cut the spinning thread wound in two directions. Therefore, the polymer spinning bobbin can be used in both directions.

[0015] As a possible implementation, the thickness of the breaking hook gradually decreases as it extends from the outer cylinder to the gap. The breaking hook adjacent to the gap can be located above the upper end of the first cylinder part.

[0016] With the above possible implementation, since the breaking hook is integrally formed with the outer cylinder, the breaking hook adjacent to the gap is located above the first cylinder part, the material of which is also a hard polymer material, and the thickness of the breaking hook adjacent to the gap is smaller, which makes it easier to break the spinning thread connected to the full bobbin.

[0017] As a possible implementation, the thread clamping groove comprises a thread clamping groove partition.

[0018] As a possible implementation, the thread clamping groove partition is formed by setting a groove on the end surface of the outer cylinder facing the protruding part, and setting a protrusion on the end surface of the protruding part facing the outer cylinder, which cooperates with the groove.

[0019] As a possible implementation, the thread clamping groove partition is arranged at the middle position of the gap in the circumferential direction.

[0020] As a possible implementation, the material hardness of the first cylinder part is Shore D35° to D55°, and the material hardness of the second cylinder part is Shore D65° to D85°.

[0021] The application also relates to a winding head and a pressure shaft lever, the polymer spinning bobbin described above is used on the winding head, the pressure shaft lever can contact the first cylinder part of the outer cylinder through relative movement, the first cylinder part is composed of a soft polymer material with a smaller material hardness than the second cylinder part, so that the contact of the first cylinder part of the outer cylinder to the pressure shaft lever forms a buffer. BRIEF DESCRIPTION OF DRAWINGS

[0022] The various technical features of the present application and the relationships between them will be further illustrated below with reference to the accompanying drawings. The drawings are exemplary, some technical features are not shown in actual proportion, and some technical features in the drawings can be omitted, which are conventional in the technical field to which the present application belongs and are not essential to understanding and implementing the present application, or additional technical features are shown, which are not essential to understanding and implementing the present application. That is, the combination of various technical features shown in the drawings is not used to limit the present application. In addition, the same reference signs refer to the same contents throughout the present application. The specific drawings are as follows:

[0023] Figure 1 A schematic view of a high polymer spinning cylinder tube according to an embodiment of the present application;

[0024] Figure 2 A front view of a high polymer spinning cylinder tube according to an embodiment of the present application;

[0025] Figure 3 A rear view of a high polymer spinning cylinder tube according to an embodiment of the present application;

[0026] Figure 4 A right view of a high polymer spinning cylinder tube according to an embodiment of the present application;

[0027] Figure 5 A sectional view of a high polymer spinning cylinder tube according to an embodiment of the present application;

[0028] Figure 6 A partial sectional view of a high polymer spinning cylinder tube according to an embodiment of the present application;

[0029] Figure 7 A schematic view of an outer cylinder of a high polymer spinning cylinder tube according to an embodiment of the present application;

[0030] Figure 8 A vertical sectional view of an outer cylinder of a high polymer spinning cylinder tube according to an embodiment of the present application;

[0031] Figure 9 A top view of an outer cylinder of a high polymer spinning cylinder tube according to an embodiment of the present application;

[0032] Figure 10 A bottom view of an outer cylinder of a high polymer spinning cylinder tube according to an embodiment of the present application;

[0033] Figure 11 A schematic view of an inner cylinder of a high polymer spinning cylinder tube according to an embodiment of the present application;

[0034] Figure 12 A vertical sectional view of an inner cylinder of a high polymer spinning cylinder tube according to an embodiment of the present application;

[0035] Figure 13This is a top view of the inner cylinder of the polymer spinning bobbin according to an embodiment of this application;

[0036] Figure 14 This is a bottom view of the inner cylinder of the polymer spinning bobbin according to an embodiment of this application.

[0037] Explanation of reference numerals in the attached drawings: 100-outer cylinder; 110-first cylinder section; 111-break hook; 120-second cylinder section; 130-notch; 200-inner cylinder; 210-protrusion; 220-wire clamping groove partition; 221-groove; 222-protrusion; 300-wire clamping groove; 400-wire guide groove; 500-transition groove. Detailed Implementation

[0038] The specific embodiments of this application will now be described in detail with reference to the accompanying drawings.

[0039] This application provides a polymer spinning bobbin, which is straight and mainly used in high-speed spinning equipment to improve the tail-end unwinding rate. Figure 1 As shown, it includes an outer cylinder 100 and an inner cylinder 200, with the outer cylinder 100 nested over the outer side of the inner cylinder 200.

[0040] Among them, such as Figure 1 As shown, the inner cylinder 200 extends a portion from the upper end of the outer cylinder 100 to form a protrusion 210. The protrusion 210 extends to a position opposite to the outer cylinder 100 in the axial direction. The outer diameter of the protrusion 210 is basically the same as the outer diameter of the outer cylinder 100, so that the spinning bobbin as a whole is a cylindrical tube without flanges, and it needs to contact the pressure bar of the winding equipment at the beginning of winding.

[0041] A gap is formed between the protrusion 210 and the end of the outer cylinder 100 for the entry of the spinning yarn. This gap comprises two parts in the circumferential direction: one part is a tightly fitted (protrusion 210 contacts outer cylinder 100) V-shaped gap (both protrusion 210 and outer cylinder 100 have inclined surfaces, which combine to form a V-shaped gap, with the V-shaped base angles fitting together), namely the yarn clamping groove 300; the other part is a non-tightly fitted (protrusion 210 does not contact outer cylinder 100) V-shaped gap (the V-shaped base angles of the non-tightly fitted V-shaped gap do not fit together), namely the yarn guiding groove 400. The circumferential length of the yarn clamping groove 300 is greater than that of the yarn guiding groove 400. Figure 1 , 2 As shown, the wire clamping groove 300 is connected to the wire guide groove 400 through the transition groove 500, and the opening size of the transition groove 500 is larger as it gets closer to the wire guide groove.

[0042] Among them, such as Figure 6As shown, the outer cylinder 100 comprises a first cylinder part 110 and a second cylinder part 120. The first cylinder part 110 is nested outside the second cylinder part 120. The first cylinder part 110 is composed of soft polymer material; the second cylinder part 120 is composed of hard polymer material. The second cylinder part 120 is made of hard polymer material, which serves as the framework of the cylinder tube at the inner layer of the cylinder tube, thereby ensuring the rigid strength of the cylinder tube. Meanwhile, the first cylinder part 110 is made of soft polymer material, which serves as the buffer layer of the cylinder tube at the surface layer of the cylinder tube, thereby being able to play a good buffering function when the spinning cylinder tube and the pressure shaft are in contact with each other through relative movement, thereby reducing noise and shaking and improving the tail-end withdrawal rate.

[0043] In the present embodiment, the inner cylinder 200 is made of hard polymer material, which has the same material as the second cylinder part 120 of the outer cylinder. In other embodiments, the hard polymer material used can be different from the second cylinder part 120 of the outer cylinder.

[0044] In the present embodiment, the hardness of the soft polymer material is Shore D35° to D55°, and the hardness of the hard polymer material is Shore D65° to D85°. In other embodiments, other hardnesses of soft polymer material and hard polymer material can also be used.

[0045] The guide groove 400 is a non-tightly fitted (non-contacting) V-shaped gap. The guide groove 400 is provided with a breaking hook 111, which is integrally formed on the outer cylinder 100 and extends outwardly from the outer cylinder 100 toward the protruding part 210. The breaking hook 111 is used for breaking the spinning. The guide groove 400 cooperates with the guide groove 400 to accurately clamp the switched yarn in the state of high-speed operation of the spinning equipment, and to ensure clear tail yarn and reduce the waste yarn rate. It can be understood that the guide groove 400 is formed by the first cylinder part 110, the second cylinder part 120 and the protruding part 210, and therefore there is a cavity on the inner side (radial inner side) of the breaking hook 111.

[0046] In the present embodiment, the breaking hook 111 is two, and is oppositely arranged along the guide groove 400, and the two are spaced apart from each other to form an aperture 130, and the two breaking hooks 111 are symmetrically arranged in the circumferential direction with the middle point of the guide groove 400. Therefore, the spinning can be broken when the cylinder tube rotates clockwise or counterclockwise, so that the high polymer spinning cylinder tube provided by the present application is no longer limited by the rotation direction and can have the function of bidirectional use. Figure 2 The end surface of the breaking hook 111 facing the protruding part 210 is inclined to the axial direction and the radial direction, and from the side, the closer it is to the other breaking hook (i.e. the closer it is to the aperture 130), the lower its height (i.e. the farther it is from the protruding part 210). In this way, the spinning is easily entered into the aperture 130 and thus broken. In addition, the operation Figure 6The outer surface (radial outer surface) of the break hook 111 is also formed as an inclined surface, which is inclined inwardly closer to the protruding portion 210. In addition, as shown in Figure 9 Fig. 9, as the break hook 111 extends from the outer cylinder 100 to the aperture 130, its thickness gradually decreases, and the break hook 111 adjacent to the aperture 130 is located above the upper end of the first cylinder portion 110. Since the break hook 111 is integrally formed with the outer cylinder 100, the break hook 111 adjacent to the aperture 130 is located above the upper end of the first cylinder portion 110, and the material of the break hook 111 is the same as the hard polymer material of the upper end of the first cylinder portion 110, and the thickness of the break hook 111 adjacent to the aperture 130 is small, so that the spinning thread connected to the full bobbin can be easily broken.

[0047] In this embodiment, as shown in Figure 6 Fig. 8, the gap of the thread clamping groove 300 and the thread guide groove 400 is in a V-shaped groove structure, which facilitates the spinning thread to enter the thread guide groove 400, and then further enter the thread clamping groove 300 as the cylinder rotates. As other embodiments, the shape of the thread clamping groove 300 and the thread guide groove 400 is not limited to the V-shaped groove, and can also be a U-shaped groove or an open square groove.

[0048] In this embodiment, as shown in Figure 3 、 4 Fig. 9, the recess 221 is provided on the outer cylinder 100, and as shown in Figure 7 、 8 Fig. 10, the protrusion 222 is provided on the protruding portion 210, and two protrusions 222 are provided at intervals. Figure 11 、 14

[0049] It can be understood that the first cylinder portion 110 is made of elastic polymer material, and thus the structure formed thereby also includes an elastic polymer material portion.

[0050] ​In summary, the polymer spinning tube of the embodiment of the present application can be used repeatedly, thereby reducing the production cost. In addition, the polymer material will not change in size and reduce in physical properties due to the humid production environment. The polymer tube manufactured by using this technology can be used repeatedly according to the fatigue cycle of the tube material and the damage degree of the tube surface. When the fatigue period is reached, the tube can be recycled and reused, thereby reducing the pollution to the environment caused by the elimination of waste tubes. The tube of the embodiment of the present application can be injection molded, and the injection molding has high precision, and the size precision can be ensured in mass production. Further, the outer tube 100 of the polymer spinning tube of the embodiment of the present application is composed of a hard first tube part 110 and a soft second tube part 120, which can reduce the noise and shaking of the tube, thereby improving the tailing-off rate. At the same time, the breaking hook 111 symmetrically arranged in the guide groove 400 can enable the polymer spinning tube to cut the spinning yarn wound in two directions, so that the polymer spinning tube of the embodiment of the present application can be used in two directions. In addition, the outer two-thirds of the slit of the yarn clamping groove 300 is in a V-shaped groove structure, so that the polymer spinning tube of the embodiment of the present application can be used for both thick and thin yarns.

[0051] It should be noted that the material for making the tube entirely of hard polymer material (for example, the material of the second tube part 120 described above) generally has a bending modulus of more than 6000 Mpa and a bending strength of more than 200 Mpa, which far exceeds the physical property requirements of the paper tube, but the surface hardness of the material is Shore hardness 75D, which exceeds the hardness of the paper tube by 25%. In the spinning production, when the full and empty rolls are switched, due to the high surface hardness of the hard polymer material, the slight protrusions (≥5 um) on the surface of the tube will produce radial jumping under the condition of high-speed rotation (9000 r / min) of the winding head, which will collide with the pressure shaft lever. Even if the collision is slight, the spindle of the winding head will shake violently, so that the pressure shaft lever and the spindle of the winding head cannot be stably and closely fitted, which will lead to uneven tension of the yarn bundle and excessive breakage rate during the tailing-off process. The polymer tube made entirely of soft polymer material on the high-speed spinning machine has a bending modulus that is too low to meet the working requirements. Therefore, the polymer spinning tube of the embodiment of the present application is made of hard polymer material and soft polymer material, which takes the advantages of both the soft polymer material tube and the hard polymer material tube and complements each other. The hard polymer material is used to make the skeleton of the tube in the inner layer of the tube to ensure the rigidity and strength of the tube, and the soft polymer material is used to make the buffer layer of the tube in the surface layer to ensure the good buffering function of the tube when contacting the pressure shaft lever.

[0052] In actual production, the tailing-off test data of the spinning tube made of all hard polymer material and the polymer spinning tube of the embodiment of the present application are compared, and the results are as follows:

[0053] (1) The rigid polymer material tubes were tested twice by a company in Fujian (10 tubes were tested each time), and the tail removal rate was 70% and 80% respectively (the industry consensus is that the pass rate is 92%).

[0054] (2) The polymer spinning bobbins involved in the embodiments of this application were tested in a company in Zhejiang for 5 cycles (24 bobbins in each cycle test), and the tail-end removal rate was 95%.

[0055] In actual production, during the switching process of various bobbins, the following describes the behavior of the various bobbin surfaces when in contact with the pressure shaft:

[0056] (1) With paper tube as the reference target, there is obvious noise during switching, and the winding head does not shake significantly.

[0057] (2) The all-rigid polymer material tube is significantly noisier than the paper tube during switching, and the winding head shakes noticeably.

[0058] (3) The polymer spinning tube involved in the embodiments of this application has significantly reduced noise during switching compared to paper tubes, and the winding head runs smoothly.

[0059] In summary, existing spinning bobbins can only be used in one direction (clockwise or counterclockwise), while the polymer spinning bobbins of this application can be used in both directions. The filament width of the bobbin does not need to be differentiated, and they can be used interchangeably. In other words, this application provides a polymer spinning bobbin that is not limited to the direction of rotation and a polymer spinning bobbin that can be used in both directions. Currently, paper bobbins are mostly used in polyester filament POY processes. Paper bobbins can only rotate in one direction and are disposable. The polymer spinning bobbin of this invention can be used in both clockwise and counterclockwise directions and can be recycled multiple times. Users do not need to sort and select the direction of rotation or the width of the filament width when recycling the bobbin, which greatly facilitates the user.

[0060] This application uses polymer materials of varying hardness to manufacture polymer spinning bobbins. The rigid polymer material ensures flexural modulus, flexural strength, and impact strength, while the soft polymer material ensures stable operation during switching and reduces vibration due to collisions and wear when the bobbin contacts the pressure shaft.

[0061] The following describes some existing tubing that may affect the novelty of the polymer spinning tubing involved in the embodiments of this application:

[0062] (1)Firstly, the bobbin of the utility model is used on high-speed spinning machine, the function of the soft polymer material coated on the surface is buffering and shock absorption. Some bobbin surfaces in the prior art are provided with silica gel material, which can obviously avoid the phenomenon that the yarn is cut by the bobbin, and the specific problem solved by the high polymer spinning bobbin involved in the embodiment of the application is different.

[0063] (2)There is another bobbin applied to the loom, which can avoid the spinning thread from being twisted and knotted. Although the material used in the high polymer spinning bobbin involved in the embodiment of the application is similar, the two are not applied to the same field, and the structure shape is not similar, so the application cannot provide inspiration for the application.

[0064] (3)Although the high polymer spinning bobbin involved in the embodiment of the application and some bobbins belong to the field of accessories for textile production, the processes and equipment applied are not the same category, and there are obvious differences in structure shape. The difference cannot be considered as the same technical solution only because the Chinese characters used are the same. The spinning bobbin referred to in the utility model refers to the bobbin used on the high-speed spinning equipment winding head for processing POY, DTY, FDY, HOY, UDY, MOY, FOY, BCF, TCS and the like, and the similar bobbins in the prior art are not the bobbins used in this field.

[0065] (4)The high polymer spinning bobbin involved in the embodiment of the application is a straight pipe, and contacts the pressure lever of the winding equipment at the beginning of winding. Some bobbins disclosed in the prior art are I-shaped and used on completely different equipment. Some of the bobbins are provided with a silica gel protective layer and a rubber layer, and the specific technical problems solved are different from the problems, and the purposes achieved in the application are different.

[0066] It can be understood that the application also relates to a winding head with the high polymer spinning bobbin involved in the embodiment of the application.

[0067] The term "comprising" used in the whole application should not be interpreted as being limited to the following contents; it does not exclude other structural elements or steps.

[0068] It can be understood that the person skilled in the art can combine the features mentioned in one or more embodiments mentioned in the whole application with the features in other embodiments in any appropriate manner to implement the application.

[0069] Note that the above only describes the preferred embodiments of the present application and the applied technical principles. Those skilled in the art will understand that the present application is not limited to the specific embodiments described herein, and that various obvious changes, reconfigurations and substitutions can be made by those skilled in the art without departing from the scope of the present application. Therefore, although the present application has been described in detail through the above embodiments, the present application is not limited to the above embodiments, and can include more other equivalent embodiments without departing from the technical concept of the present application, and all fall within the protection scope of the present application.

Claims

1. A polymer spinning bobbin for use in a high speed spinning apparatus, characterized in that, The polymer spinning tube comprises an outer tube and an inner tube, the outer tube is sleeved outside the inner tube, one end of the inner tube extends to the radial outside to form a protruding part, the protruding part extends to the position opposite to the inner tube in the axial direction, and a gap is formed between the end face of the protruding part opposite to the outer tube, the first part of the gap is a closely contacted gap to form a clamping groove, and the second part is a non-closely contacted gap to form a guide groove. The outer tube comprises a first tube part and a second tube part, the first tube part is sleeved outside the second tube part, and the first tube part and the second tube part are made of polymer materials with different hardness, and the material hardness of the first tube part is smaller than that of the second tube part. A breaking hook is arranged in the guide groove, the breaking hook is integrally formed on the outer tube and protrudes from the outer tube to the protruding part, a cavity is arranged on the radial inner side of the breaking hook, and the breaking hook has two parts, a gap is formed between the two parts, and the two breaking hooks are symmetrically arranged with the gap therebetween.

2. The polymeric spin barrel of claim 1, wherein The clamping groove and the guide groove are V-shaped grooves.

3. The polymeric spin barrel of claim 1, wherein The length of the clamping groove in the circumferential direction is greater than that of the guide groove, the clamping groove is connected with the guide groove through a transition groove, and the opening size of the transition groove is greater closer to the guide groove.

4. The polymeric spin barrel of claim 1, wherein, With the breaking hook extending from the outer tube to the gap, the thickness of the breaking hook gradually decreases.

5. The polymer spinning tube according to claim 1, wherein The end face of the breaking hook in the direction of the protruding part is an inclined surface inclined to the axial direction and the radial direction, and the end face is farther away from the protruding part closer to the gap.

6. The polymeric spin barrel of claim 1, wherein The radial outer side surface of the breaking hook is formed as an inclined surface, and the radial outer side surface is inclined to the radial inner side closer to the protruding part.

7. The polymeric spin barrel of claim 1, wherein The clamping groove comprises a clamping groove partition, the clamping groove partition is formed by arranging a groove on the end face of the outer tube facing the protruding part and arranging a protrusion on the end face of the protruding part facing the outer tube and matched with the groove.

8. The polymeric spin barrel of claim 7, wherein, The clamping groove partition is arranged at the middle position in the circumferential direction of the clamping groove.

9. The polymeric spin barrel of any one of claims 1-8, wherein, The material hardness of the first tube part is Shore D35° to D55°, and the material hardness of the second tube part is Shore D65° to D85°.

10. A high speed spinning apparatus comprising a winding head and a pressure shaft lever, characterized in that, The polymer spinning tube according to any one of claims 1-9 is arranged on the winding head, the pressure shaft can be in contact with the first tube part through relative movement, the first tube part is made of a soft polymer material with a smaller material hardness than the second tube part, and the contact between the first tube part and the pressure shaft forms a buffer.

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