A combined device of a suspension spindle and a roving tube suitable for the wet spinning process of flax

Abstract

A kind of hank and roving tube combination device suitable for flax wet spinning process, including hank, the hank includes hank top cover, hank shell, hank body, cone cup push rod and branch piece pair, the hank shell is inserted into hank top cover from below hank top cover and is fixed, the cavity is equipped in the inside of hank shell, the hank body is arranged in the cavity of hank shell, the branch piece pair is hinged in the lower end of hank body by second fixed pin, the upper end of hank body is connected with four-jaw cam, the side wall of hank shell is equipped with high-position beveling locking groove and low-position beveling locking groove, the four-jaw cam is arranged in high-position beveling locking groove or low-position beveling locking groove, the cone cup push rod is sleeved in the outside of hank shell.The hank and roving tube combination device of the present application has less parts, simple structure and reliable movement;It has strong bearing capacity and is suitable for a wide range of yarn bobbins of different weights;It has low cost and is easy to mass-produce;It is easy to operate and suitable for automated production lines.

Description

TECHNICAL FIELD

[0001] The present application relates to a kind of hanging spindle and roving pipe combination device, belong to textile machinery spare technology field, specifically related to a kind of hanging spindle and roving pipe combination device suitable for flax wet spinning process. BACKGROUND

[0002] The current roving pipe used in flax wet spinning spinning machine is hung on the hanging spindle by means of pull hook through the hole on it, rather than directly hooking the roving pipe with the hanging spindle, which leads to the complexity of roving hanging work, not only increases the labor intensity of operators, reduces work efficiency, increases labor and machine material cost, but also is not conducive to the realization of automatic hanging and taking down of roving pipe.

[0003] Therefore, the present application provides a kind of hanging spindle and roving pipe combination device suitable for flax wet spinning process, so that the hanging spindle can directly hang the roving pipe without using pull hook, to reduce the labor intensity of operators, improve work efficiency, reduce labor and machine material cost, and help to realize the automatic hanging and taking down of roving pipe. SUMMARY

[0004] The technical problem to be solved by the present application is the complexity of roving hanging work, which increases the labor intensity of operators and reduces work efficiency.

[0005] To solve the above technical problems, the technical scheme of the present application provides a kind of hanging spindle and roving pipe combination device suitable for flax wet spinning process, which includes hanging spindle and roving pipe. The hanging spindle includes hanging spindle top cover, hanging spindle shell, hanging spindle body, cone cup push rod and branch pair. The longitudinal section of the hanging spindle top cover is inverted U-shaped. The hanging spindle shell is inserted into the hanging spindle top cover from below and fixed. The hanging spindle shell is ladder column type, with a cavity inside. The hanging spindle body is arranged in the cavity of the hanging spindle shell. The branch pair is hinged to the lower end of the hanging spindle body by a second fixed pin. The upper end of the hanging spindle body is connected with a four-jaw cam. The lower end of the four-jaw cam is provided with a bevelled claw. The side wall of the hanging spindle shell is provided with high and low bevelled locking grooves which are protruding inward, uniformly distributed and arranged in intervals. The bevelled claw is arranged in the high bevelled locking groove. The cone cup push rod is sleeved outside the hanging spindle shell. The roving pipe is provided with a second through hole. The lower end of the hanging spindle shell is inserted into the second through hole of the roving pipe. The roving pipe can lift the cone cup push rod, so that the cone cup push rod slides along the hanging spindle shell, and the bevelled claw switches position between the high and low bevelled locking grooves. The branch pair can extend out of the ladder cavity of the hanging spindle shell and be clamped in the second through hole of the roving pipe.

[0006] Optionally, the diameter of the second through-hole upper end entrance part of the roving pipe is smaller than the diameter of the second through-hole main body, the upper end entrance part of the second through-hole and the main body part are connected to form a circular ring type step surface, the hank holder shell is inserted into the roving pipe from the upper end entrance of the second through-hole, and the supporting piece pair can be clamped on the step surface.

[0007] Optionally, the hank holder top cover is provided with a first bolt extending outward from the inside, the first bolt is fixed on the hank holder top cover through a first nut, a dustproof shell is arranged outside the hank holder top cover, the dustproof shell is sleeved on the first bolt, and a first spring is arranged between the dustproof shell and the hank holder top cover.

[0008] Optionally, the upper end of the hank holder shell is provided with a first pin hole, and a first fixing pin for connecting the hank holder shell and the hank holder top cover is arranged in the first pin hole.

[0009] Optionally, the top of the four-jaw cam is provided with a cylindrical stepped protrusion, a second spring is arranged on the cylindrical stepped protrusion, and the other end of the second spring is connected with the first fixing pin.

[0010] Optionally, the four-jaw cam comprises a cylindrical segment, the bevelled claws are uniformly distributed on the edge of the cylindrical segment in the circumferential direction, a first through hole is arranged on the cylindrical segment, a second bolt is arranged in the first through hole, a bolt hole for mounting the second bolt is arranged on the upper end of the hank body, a through hole groove is arranged on the side surface of the upper end of the hank body, a second nut is arranged in the through hole groove, the second bolt is connected with the second nut, the four-jaw cam is axially connected and fixed with the hank body, and the four-jaw cam can rotate in the circumferential direction.

[0011] Optionally, limit grooves are arranged on the outer side wall of the hank holder shell, part of the limit grooves are communicated with the high-position bevelled locking grooves and the low-position bevelled locking grooves, the cone cup push rod comprises a cone cup with a larger upper end diameter than a lower end diameter, a cup shoulder at the upper end of the cone cup, and uniformly distributed push rods at the upper end of the cup shoulder, the push rods are arranged in the limit grooves, and the push rods in the limit grooves communicated with the high-position bevelled locking grooves and the low-position bevelled locking grooves can contact the bevelled claws.

[0012] Optionally, the high-position bevelled locking grooves and the low-position bevelled locking grooves are each provided with four groups, the high-position bevelled locking grooves and the low-position bevelled locking grooves limit the four-jaw cam, and the push rods and the second springs enable the four-jaw cam to switch the axial position and rotate in the circumferential direction around the hank holder shell axis in the high-position bevelled locking grooves and the low-position bevelled locking grooves.

[0013] Optionally, the lower end of the hank holder shell is provided with a second pin hole, a third fixing pin is arranged in the second pin hole, the lower segments of the supporting piece pair are bent outward, arc-shaped notches are arranged on the outer sides of the bent parts, the two supporting pieces of the supporting piece pair can slide along the third fixing pin and open to both sides, and the supporting pieces can be clamped on the third fixing pin by contacting the arc-shaped notches.

[0014] Optionally, the side bottom of the hanger spindle shell is provided with a storage groove for the pair of supporting pieces corresponding to the low-position bevel locking groove.

[0015] In summary, the hanger spindle and roving tube combination device of the present application has the advantages of fewer parts, simple structure, reliable movement, no need for additional power source, strong bearing capacity, wide application range for yarn bobbins of different weights, low cost, easy mass production, simple operation and suitability for automatic production line. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 Fig. 1 is a front view of the hanger spindle and roving tube combination device of the present application;

[0017] Figure 2 Fig. 3 is a longitudinal sectional view of the hanger spindle and roving tube combination device in the unfolded state of the pair of supporting pieces;

[0018] Figure 3 Fig. 4 is a longitudinal sectional view of the hanger spindle in the folded state of the pair of supporting pieces;

[0019] Figure 4 Fig. 5 is a front view of the hanger spindle shell of the present application;

[0020] Figure 5 Fig. 6 is a sectional view of the hanger spindle shell along the A-A section of the present application; Figure 4 Fig. 7 is a schematic view of the main features of the hanger spindle shell of the present application;

[0021] Figure 6 Fig. 8 is a front view of the cone cup push rod of the present application;

[0022] Figure 7 Fig. 9 is a schematic view of the connection of the hanger spindle body, the four-jaw cam and the pair of supporting pieces of the present application;

[0023] Figure 8 Fig. 10 is a front view of the hanger spindle body, the four-jaw cam and the pair of supporting pieces of the present application;

[0024] In the figure: 1, first bolt; 2, dustproof shell; 3, hanger spindle top cover; 4, hanger spindle shell; 5, second bolt; 6, hanger spindle body; 7, cone cup push rod; 8, pair of supporting pieces; 9, first spring; 10, first nut; 11, first fixed pin; 12, second spring; 13, four-jaw cam; 14, second nut; 15, second fixed pin; 16, third fixed pin; 17, roving tube; 18, hanger spindle; 19, stepped surface; 20, high-position bevel locking groove; 21, low-position bevel locking groove; 22, first pin hole; 23, second pin hole; 24, storage groove; 25, limiting groove; 26, cone cup; 27, cup shoulder; 28, push rod; 29, shaft shoulder; 30, cylindrical section; 31, bevelled claw; 32, first through hole; 33, cylindrical stepped protrusion; 34, through hole groove; 35, bolt hole; 36, bevelled surface; 37, second through hole. DETAILED DESCRIPTION

[0025] The following description is made in connection with Figures 1-8 The application is further described in detail.

[0026] The application discloses a combined device of a suspension spindle and a roving tube suitable for a flax wet spinning process, referring to Figures 1 to 3 , comprising a suspension spindle 18 and a roving tube 17, the suspension spindle 18 comprising a suspension spindle top cover 3, a suspension spindle shell 4, a suspension spindle body 6, a cone cup push rod 7 and a pair of supporting pieces 8, the longitudinal section of the suspension spindle top cover 3 is inverted U-shaped, the suspension spindle shell 4 is inserted into the suspension spindle top cover 3 from below and is fixed by using a first fixing pin 11, the suspension spindle shell 4 is in the shape of a stepped column, and a cavity is arranged in the suspension spindle shell 4, the suspension spindle body 6 is arranged in the cavity of the suspension spindle shell 4, the pair of supporting pieces 8 are hingedly connected to the lower end of the suspension spindle body 6 through a second fixing pin 15, a four-jaw cam 13 is connected to the upper end of the suspension spindle body 6, an oblique cutting jaw 31 is arranged at the lower end of the four-jaw cam 13, high-position oblique cutting locking grooves 20 and low-position oblique cutting locking grooves 21 are arranged on the side wall of the suspension spindle shell 4 and protrude inward, are uniformly distributed and are arranged in intervals, the oblique cutting jaw 31 is arranged in the high-position oblique cutting locking groove 20, the cone cup push rod 7 is arranged outside the suspension spindle shell 4, a second through hole 37 is arranged in the roving tube 17, the lower end of the suspension spindle shell 4 is inserted into the second through hole 37 of the roving tube 17, the roving tube 17 can jackingly lift the cone cup push rod 7, the cone cup push rod 7 slides along the suspension spindle shell 4, the oblique cutting jaw 31 switches positions between the high-position oblique cutting locking groove 20 and the low-position oblique cutting locking groove 21, and the pair of supporting pieces 8 can extend out of the stepped cavity of the suspension spindle shell 4 and be clamped in the second through hole 37 of the roving tube 17.

[0027] Specifically, the diameter of the upper end inlet part of the second through hole 37 of the roving tube 17 is smaller than the diameter of the main body of the second through hole 37, a circular ring-shaped stepped surface 19 is formed at the connection position between the upper end inlet part and the main body of the second through hole 37, the suspension spindle shell 4 is inserted into the roving tube 17 from the upper end inlet of the second through hole 37, and the pair of supporting pieces 8 can be clamped on the stepped surface 19, the diameter of the upper end inlet of the second through hole 37 is slightly larger than the diameter of the lower end of the suspension spindle shell 4, and the bottom of the suspension spindle shell 4 is in a closed structure.

[0028] In a further embodiment, referring to Figure 3 , a first bolt 1 protruding outward from the inside is arranged on the suspension spindle top cover 3, the first bolt 1 is fixed on the suspension spindle top cover 3 through a first nut 10, a dustproof shell 2 is arranged outside the suspension spindle top cover 3, the dustproof shell 2 is arranged on the first bolt 1, and a first spring 9 is arranged between the dustproof shell 2 and the suspension spindle top cover 3 to ensure that the dustproof shell 2 and the suspension spindle top cover 3 can relatively rotate, the suspension spindle top cover 3 and the first bolt 1 form a rotating pair, and the first nut 10 is used for limiting, so that the combined device of the suspension spindle 18 and the roving tube 17 can rotate relative to the external rack, and the suspension spindle top cover 3 and the suspension spindle shell 4 are fixedly connected through the first fixing pin 11.

[0029] In further embodiments, the upper end of the hanging spindle shell 4 is provided with a first pin hole 22, the first pin hole 22 is provided with a first fixed pin 11 for connecting the hanging spindle shell 4 and the hanging spindle top cover 3, the top of the four-jaw cam 13 is provided with a cylindrical stepped protrusion 33, the cylindrical stepped protrusion 33 is provided with a second spring 12, the other end of the second spring 12 is connected with the first fixed pin 11.

[0030] In further embodiments, referring to Figure 8 , the four-jaw cam 13 includes a cylindrical segment 30 with a diameter slightly smaller than the inner wall diameter of the upper part of the hanging spindle shell 4, the beveled claws 31 are uniformly distributed along the circumference of the edge of the cylindrical segment 30, the cylindrical segment 30 is provided with a first through hole 32, the first through hole 32 is provided with a second bolt 5, the diameter of the first through hole 32 is slightly larger than the diameter of the second bolt 5, so that the four-jaw cam 13 can rotate circumferentially, the upper end of the hanging spindle body 6 is provided with a bolt hole 35 for mounting the second bolt 5, the side surface of the upper end of the hanging spindle body 6 is provided with a through hole groove 34, the through hole groove 34 is provided with a second nut 14, the second bolt 5 is connected with the second nut 14, and the four-jaw cam 13 is axially connected and fixed with the hanging spindle body 6.

[0031] In further embodiments, referring to Figures 4 to 7 , the hanging spindle shell 4 is a cylindrical shell structure with a step, a large-diameter segment at the upper end, and a small-diameter segment at the lower end, and an axial shoulder 29 is provided between the two parts, the outer side wall of the hanging spindle shell 4 is provided with a limiting groove 25 for limiting the circumferential rotation of the cone cup push rod 7 and ensuring the axial transmission of the pushing force, part of the limiting groove 25 is in communication with the high-position beveled locking groove 20 and the low-position beveled locking groove 21, the cone cup push rod 7 includes a cone cup 26 with a larger diameter at the upper end than at the lower end, a cup shoulder 27 at the upper end of the cone cup 26, and uniformly distributed push rods 28 at the upper end of the cup shoulder 27, the push rods 28 are arranged in the limiting groove 25, and the push rods 28 in the limiting groove 25 in communication with the high-position beveled locking groove 20 and the low-position beveled locking groove 21 can contact the beveled claws 31, the high-position beveled locking groove 20 and the low-position beveled locking groove 21 are each provided with four groups, the high-position beveled locking groove 20 and the low-position beveled locking groove 21 limit the four-jaw cam 13, and the push rods 28 make the four-jaw cam 13 switch the axial position in the high-position beveled locking groove 20 and the low-position beveled locking groove 21 and rotate circumferentially around the axis of the hanging spindle shell 4.

[0032] In further embodiments, the lower end of the hanging spindle shell 4 is provided with a second pin hole 23, the second pin hole 23 is provided with a third fixed pin 16, the lower segments of the two branches of the branch pair 8 are bent outward, the outer side of the bent part is provided with an arc-shaped notch, the two branches of the branch pair 8 can slide along the third fixed pin 16 and open to both sides, and the contact with the arc-shaped notch can be clamped on the third fixed pin 16, the third fixed pin 16 limits the extension and retraction of the branch pair 8 and limits the stroke of the cone cup push rod 7, and the bottom of the side surface of the hanging spindle shell 4 is provided with a retraction and extension groove 24 corresponding to the low-position beveled locking groove 21 for extending the branch pair 8.

[0033] In the present application, when the bevelled claw 31 of the four-claw cam 13 is located in the low-position bevelled locking groove 21, the pair of supporting plates 8 is in the unfolded state and extends outward, and under the action of the third fixed pin 16, the unfolded length of the pair of supporting plates 8 is greater than the diameter of the upper end inlet part of the roving tube 17, so that the extended part of the pair of supporting plates 8 is in contact with the stepped surface 19 of the roving tube 17, and the pair of supporting plates 8 is subjected to the gravity of the roving tube 17, and through the lever action of the third fixed pin 16, the force applied by the pair of supporting plates 8 to the hanger body 6 is along the radial direction of the hanger shell 4, so that the hanger body 6 cannot move upward, and the pair of supporting plates 8 cannot be retracted, and the unfolded pair of supporting plates 8 lifts the roving tube 17, and the second bolt 5 is an M5 bolt.

[0034] In the no-load condition, the hanger body 6 is located in the high-position bevelled locking groove 20 of the hanger shell 4, and at this time the pair of supporting plates 8 is retracted.

[0035] In use, the roving tube 17 is vertically arranged, and the upper end of the roving tube 17 is aligned with the lower end of the hanger 18, so that the roving tube 17 moves upward relative to the hanger 18, and first contacts the conical cup push rod 7 and pushes the conical cup push rod 7 to move upward, and the push rod 28 of the conical cup push rod 7 moves vertically upward along the limiting groove 25 of the outer wall of the hanger shell 4, and pushes the hanger body 6 and the four-claw cam 13 to move upward to the highest point of the bevelled surface 36 of the hanger shell 4, so as to be pushed out of the high-position bevelled locking groove 20 on the inner wall of the hanger shell 4, and compresses the second spring 12 to accumulate elastic potential energy; the conical cup push rod 7 stops moving after moving to the limiting shaft shoulder 29 of the hanger shell 4, at this time the four-claw cam 13 rotates along the bevelled surface of the hanger shell 4 and the push rod 28 of the conical cup push rod 7, when the roving tube 17 and the conical cup push rod 7 move downward under the action of gravity after the external force is removed, the four-claw cam 13 slides into the adjacent low-position bevelled locking groove 21 under the action of the elastic force of the second spring 12, the hanger body 6 and the pair of supporting plates 8 move downward, and the pair of supporting plates 8 extends outward on both sides of the hanger shell 4 under the action of the third fixed pin 16 and is clamped at the circular stepped surface 19 of the roving tube 17, so as to clamp the roving tube 17 on the hanger 18. That is, the hanger 18 hoists the roving tube 17, and the entire combined device rotates stably relative to the external frame.

[0036] The roving tube 17 is moved upward again relative to the hanger 18, the roving tube 17 first contacts the cone cup push rod 7 and pushes the cone cup push rod 7 to move upward, the push rod 28 of the cone cup push rod 7 moves upward along the limiting groove 25 on the outer wall of the hanger shell 4, and pushes the four-jaw cam 13 to move upward along the low-position bevel locking groove 21 on the inner wall of the hanger shell 4, and compresses the second spring 12 to accumulate elastic potential energy, the hanger body 6 and the support piece pair 8 also move upward, and the support piece pair 8 is retracted; the cone cup push rod 7 stops moving after moving to the limiting shaft shoulder 29 of the hanger shell 4, at this time the four-jaw cam 13 rotates circumferentially along the bevel surface on the hanger shell 4 and the push rod 28 of the cone cup push rod 7, when the roving tube 17 and the cone cup push rod 7 move downward under the action of gravity after the external force is removed, the four-jaw cam 13 slides into the high-position bevel locking groove 20 under the action of the elastic force of the second spring 12, the hanger body 6 and the support piece pair 8 move downward, the support piece pair 8 is retracted inside the hanger shell 4, so that the separation of the roving tube 17 and the hanger 18 is realized.

[0037] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present application but not limit the present application. Although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced equivalently without departing from the spirit and scope of the present application, and all of them should be covered in the scope of the claims of the present application.

Claims

1. A combination of a flyer (18) and a tube (17) suitable for use in the wet spinning process of flax, comprising a flyer (18) and a tube (17), characterized in that, The hanger (18) comprises a hanger top cover (3), a hanger shell (4), a hanger body (6), a cone cup push rod (7) and a pair of supporting plates (8), the hanger top cover (3) is inverted U-shaped, the hanger shell (4) is inserted into the hanger top cover (3) from below and fixed, the hanger shell (4) is ladder column type, and a cavity is arranged in the hanger shell (4), the hanger body (6) is arranged in the cavity of the hanger shell (4), the pair of supporting plates (8) are hinged to the lower end of the hanger body (6) through a second fixing pin (15), the upper end of the hanger body (6) is connected with a double-claw cam (13), the lower end of the double-claw cam (13) is provided with a bevelled claw (31), the side wall of the hanger shell (4) is provided with high-position bevelled locking grooves (20) and low-position bevelled locking grooves (21) which are protruded inward, uniformly distributed and arranged in intervals, the bevelled claw (31) is arranged in the high-position bevelled locking groove (20), the cone cup push rod (7) is arranged outside the hanger shell (4), the second through hole is arranged in the roving pipe (17), the lower end of the hanger shell (4) is inserted into the second through hole of the roving pipe (17), and the roving pipe (17) can lift the cone cup push rod (7), so that the cone cup push rod (7) slides along the hanger shell (4), and the bevelled claw (31) is switched between the high-position bevelled locking groove (20) and the low-position bevelled locking groove (21), the pair of supporting plates (8) can be extended out of the cavity of the hanger shell (4) and clamped in the second through hole of the roving pipe (17). The outer side wall of the hanger shell (4) is provided with limiting grooves (25), part of the limiting grooves (25) are communicated with the high-position bevelled locking grooves (20) and the low-position bevelled locking grooves (21), the cone cup push rod (7) comprises a cone cup (26) with a larger diameter at the upper end than at the lower end, a cup shoulder (27) at the upper end of the cone cup (26) and uniformly distributed push rods (28) at the upper end of the cup shoulder (27), the push rods (28) are arranged in the limiting grooves (25), and the push rods (28) in the limiting grooves (25) communicated with the high-position bevelled locking grooves (20) and the low-position bevelled locking grooves (21) can be in contact with the bevelled claw (31).

2. A flyer and tube combination suitable for use in a wet spinning process of flax according to claim 1, characterized in that, The diameter of the upper end entrance part of the second through hole of the roving pipe (17) is smaller than that of the main body of the second through hole, the upper end entrance part of the second through hole is connected with the main body part to form a circular ring type step surface (19), the hanger shell (4) is inserted into the roving pipe (17) from the upper end entrance of the second through hole, and the pair of supporting plates (8) can be clamped on the step surface (19).

3. A flyer and tube combination suitable for use in a wet spinning process of flax according to claim 1, characterized in that, The hanger top cover (3) is provided with a first bolt (1) protruding from inside to outside, the first bolt (1) is fixed on the hanger top cover (3) through a first nut (10), a dustproof shell (2) is arranged outside the hanger top cover (3), the dustproof shell (2) is arranged on the first bolt (1), and a first spring (9) is arranged between the dustproof shell (2) and the hanger top cover (3).

4. A flyer and tube combination suitable for use in a wet spinning process of flax according to claim 1, characterized in that, The upper end of the hanger shell (4) is provided with a first pin hole (22), and the first pin hole (22) is provided with a first fixing pin (11) for connecting the hanger shell (4) and the hanger top cover (3).

5. A flyer and tube combination suitable for use in a wet spinning process of flax according to claim 4, characterized in that, The double-claw cam (13) is provided with a cylindrical step protrusion (33) at the top, and a second spring (12) is arranged on the cylindrical step protrusion (33), and the other end of the second spring (12) is connected with a first fixed pin (11).

6. A flyer and tube combination suitable for use in a wet spinning process of flax according to claim 5, characterized in that, The double-claw cam (13) comprises a cylindrical segment (30), and the bevelled claws (31) are uniformly distributed along the circumference of the edge of the cylindrical segment (30), and a first through hole (32) is arranged on the cylindrical segment (30), and a second bolt (5) is arranged in the first through hole (32), and the upper end of the hanging spindle body (6) is provided with a bolt hole (35) for mounting the second bolt (5), and the upper end side of the hanging spindle body (6) is provided with a through hole groove (34), and a second nut (14) is arranged in the through hole groove (34), and the second bolt (5) is connected with the second nut (14), so as to axially connect and fix the double-claw cam (13) and the hanging spindle body (6).

7. A spindle and tube combination suitable for use in a wet spinning process of flax according to claim 1, characterized in that, The high-position bevelled locking grooves (20) and the low-position bevelled locking grooves (21) are both provided with two groups, the high-position bevelled locking grooves (20) and the low-position bevelled locking grooves (21) limit the double-claw cam (13), and the double-claw cam (13) is switched in axial position in the high-position bevelled locking grooves (20) and the low-position bevelled locking grooves (21) and rotates around the axis of the hanging spindle shell (4) through the push rod (28).

8. A spindle and tube combination suitable for use in a wet spinning process of flax according to claim 2, characterized in that, The lower end of the hanging spindle shell (4) is provided with a second pin hole (23), and a third fixed pin (16) is arranged in the second pin hole (23), the lower segments of the two supporting plates of the supporting plate pair (8) are bent outward, and the outer side of the bending part is provided with an arc-shaped notch, the two supporting plates of the supporting plate pair (8) can slide along the third fixed pin (16) and open to both sides, and the arc-shaped notch can be clamped on the third fixed pin (16).

9. A flyer and tube combination suitable for use in a wet spinning process of flax according to claim 8, characterized in that, The bottom of the side surface of the hanging spindle shell (4) is provided with a retracting groove (24) corresponding to the low-position bevelled locking groove (21) for extending the supporting plate pair (8).

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