阅读说明：本技术 一种抗氧化全拉伸丝制备工艺 (Preparation process of antioxidant fully drawn yarn ) 是由 杨雅婷 于 2021-07-22 设计创作，主要内容包括：本发明涉及纺织技术领域,具体为一种抗氧化全拉伸丝制备工艺。本发明能够对丝线进行不同程度的拉伸问题。该工艺包括以下步骤：步骤一：将成卷的待拉伸的绕丝辊筒浸泡在抗氧化的溶液内浸泡,进行抗氧化处理；步骤二：将丝线的末端固定在另一个覆丝辊上,控制绕丝辊筒与覆丝辊以不同的转速旋转对丝线进行拉伸,得到抗氧化的全拉伸丝；步骤三：将抗氧化的成卷的全拉伸丝取下后对其进行热定型处理,使丝线保持拉伸后的状态。所述抗氧化全拉伸丝制备工艺中还使用一种抗氧化全拉伸丝制备装置；所述抗氧化全拉伸丝制备装置,包括架体、驱动轴Ⅱ、丝线辊、空心辊、驱动轴Ⅰ和绕线座。(The invention relates to the technical field of spinning, in particular to a preparation process of an antioxidant fully drawn yarn. The invention can perform stretching of the silk thread to different degrees. The process comprises the following steps: the method comprises the following steps: soaking the coiled wire winding roller to be stretched in an antioxidant solution for antioxidant treatment; step two: fixing the tail end of the silk thread on the other silk covering roller, and controlling the silk winding roller and the silk covering roller to rotate at different rotating speeds to stretch the silk thread to obtain the antioxidant fully drawn silk; step three: and taking off the antioxidant coiled fully drawn yarn, and then carrying out heat setting treatment on the antioxidant coiled fully drawn yarn to keep the yarn in a drawn state. The preparation process of the antioxidant fully drawn yarn also uses an antioxidant fully drawn yarn preparation device; the antioxidant fully drawn yarn preparation device comprises a frame body, a driving shaft II, a yarn roller, a hollow roller, a driving shaft I and a winding seat.)

1. A preparation process of an antioxidant fully drawn yarn is characterized by comprising the following steps: the process comprises the following steps:

the method comprises the following steps: soaking the coiled wire winding roller to be stretched in an antioxidant solution for antioxidant treatment;

step two: fixing the tail end of the silk thread on the other silk covering roller, and controlling the silk winding roller and the silk covering roller to rotate at different rotating speeds to stretch the silk thread to obtain the antioxidant fully drawn silk;

step three: and taking off the antioxidant coiled fully drawn yarn, and then carrying out heat setting treatment on the antioxidant coiled fully drawn yarn to keep the yarn in a drawn state.

2. The process according to claim 1, wherein the process comprises the steps of: the preparation process of the antioxidant fully drawn yarn also uses an antioxidant fully drawn yarn preparation device;

antioxidant fully drawn yarn preparation facilities, including support body (1), drive shaft II (2), silk thread roller (2.1), hollow roller (3), drive shaft I (3.1) and winding seat (4), drive shaft I (3.1) and drive shaft II (2) all rotate to be connected on support body (1), hollow roller (3) and silk thread roller (2.1) are connected with drive shaft I (3.1) and drive shaft II (2) respectively, and the symmetry is equipped with two winding seats (4) on hollow roller (3).

3. The process according to claim 2, wherein the process comprises the steps of: from being close to the one end of support body (1) to deviating from the one end of support body (1) the external diameter of hollow roller (3) diminishes progressively, two wire winding seats (4) all with hollow roller (3) between swing joint.

4. The process according to claim 3, wherein the process comprises the steps of: the anti-oxidation fully drawn yarn preparation device further comprises a sliding groove (3.2), adjusting seats (4.1), a screw rod (4.2), an inserted rod (4.3) and a linkage frame (4.4), wherein the hollow roller (3) is provided with the two sliding grooves (3.2), the two winding seats (4) are respectively arranged on the two adjusting seats (4.1), the two adjusting seats (4.1) are respectively connected in the two sliding grooves (3.2) in a sliding manner, one adjusting seat (4.1) is in threaded connection with the screw rod (4.2), and the screw rod (4.2) is rotatably connected on the inner wall of the hollow roller (3); two on wire winding seat (4) respectively fixed connection inserted bar (4.3), two inserted bar (4.3) all sliding connection are on linkage frame (4.4), and linkage frame (4.4) swing joint is on drive shaft I (3.1).

5. The process according to claim 4, wherein the process comprises the steps of: the anti-oxidation fully drawn yarn preparation device further comprises a box body (1.1), a lead ring (5) and a sliding frame (5.1), the box body (1.1) is fixedly connected to the frame body (1), the sliding frame (5.1) is connected with the box body (1.1), and the lead ring (5) is arranged on the sliding frame (5.1).

6. The process according to claim 5, wherein the process comprises the steps of: the lead ring (5) is internally provided with a sponge sleeve.

7. The process according to claim 5, wherein the process comprises the steps of: the anti-oxidation fully drawn yarn preparation device further comprises an insert rod (5.2), a grooved pulley (5.3) and connecting rods (5.4), the two connecting rods (5.4) are fixedly connected between the linkage frame (4.4) and the grooved pulley (5.3), the grooved pulley (5.3) is movably connected with the driving shaft I (3.1), the insert rod (5.2) is inserted into the grooved pulley (5.3), the insert rod (5.2) is connected with the lead ring (5), and the lead ring (5) is movably connected onto the sliding frame (5.1).

8. The process according to claim 4, wherein the process comprises the steps of: the antioxidant fully drawn yarn preparation device further comprises a stop block (4.1.1) and a square rod (4.1.2), the two winding seats (4) are respectively and movably connected with the two adjusting seats (4.1), the two adjusting seats (4.1) are respectively and movably connected with the square rod (4.1.2), the two square rods (4.1.2) are respectively and fixedly connected with the stop block (4.1.1), and the two winding seats (4) are respectively blocked in the two stop blocks (4.1.1); the square rod (4.1.2) is sleeved with an elastic piece, and the elastic piece is located between the adjusting seat (4.1) and the stop block (4.1.1).

9. The process according to claim 8, wherein the process comprises the steps of: the antioxidant fully drawn yarn preparation device further comprises a screw rod (4.5), T-shaped frames (4.6) and stop rods (4.7), wherein the two winding seats (4) are respectively and rotatably connected with the screw rod (4.5), the two screw rods (4.5) are respectively and threadedly connected with the T-shaped frames (4.6), the two T-shaped frames (4.6) are respectively and movably connected with the two winding seats (4), and the outer ends of the two T-shaped frames (4.6) are respectively and fixedly connected with the stop rods (4.7); the stop lever (4.7) corresponds to the notch at the outer end of the winding seat (4).

10. The process for preparing an antioxidant fully drawn yarn according to claim 2, wherein: the inner ends of the two T-shaped frames (4.6) are respectively fixedly connected with a convex top (4.8); the convex top (4.8) corresponds to the stop block (4.1.1).

Technical Field

The invention relates to the technical field of spinning, in particular to a preparation process of an antioxidant fully drawn yarn.

Background

Fully drawn yarn (taiwan called fully drawn yarn) is a fully drawn yarn which can be obtained as a wound yarn having a high degree of orientation and a moderate degree of crystallinity by introducing a drawing action in the spinning process. The conventional fully drawn yarns with terylene and chinlon belong to chemical fiber filaments. The FDY fabric has smooth and soft hand feeling and is often used for weaving the silk-like fabric. Has wide application in clothing and home textiles.

A device for producing a fluoropolymer fully drawn yarn, which is disclosed in patent No. 202110156051.3. The invention discloses a preparation device of fluoropolymer fully drawn yarn, which comprises a screw extruder, a spinning box, a suction device, a spinning channel, a oiling wheel, a godet wheel, a first drawing roller, a second drawing roller, a third drawing roller, a relaxation heat setting roller and a winding machine; and a metering pump and a spinning nozzle are integrated in the spinning box. The invention is additionally provided with the suction device to suck and treat trace overflowing corrosive gas, thereby being safe and environment-friendly. The relaxation heat setting roller is additionally arranged for performing controlled shrinkage heat setting on the fibers, relaxing the internal stress of the fibers, reducing the heat shrinkage rate of the fibers, improving the creep resistance of the fibers, strengthening the heat setting effect of the fibers and improving the dimensional stability of the fibers. The device can realize one-step production of the fluoropolymer fully drawn yarn by spinning, drawing, heat setting and winding, has the characteristics of high temperature resistance and corrosion resistance, is simple and convenient in production process and high in production efficiency, and provides a basis for industrial preparation of fluoropolymer fibers. But this device does not allow for different degrees of stretching of the thread.

Disclosure of Invention

Technical problem to be solved

The invention aims to provide a preparation process of an antioxidant fully drawn yarn, which aims to solve the problem that the yarn cannot be drawn to different degrees in the background technology.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme:

a preparation process of an antioxidant fully drawn yarn comprises the following steps:

the method comprises the following steps: soaking the coiled wire winding roller to be stretched in an antioxidant solution for antioxidant treatment;

step two: fixing the tail end of the silk thread on the other silk covering roller, and controlling the silk winding roller and the silk covering roller to rotate at different rotating speeds to stretch the silk thread to obtain the antioxidant fully drawn silk;

step three: and taking off the antioxidant coiled fully drawn yarn, and then carrying out heat setting treatment on the antioxidant coiled fully drawn yarn to keep the yarn in a drawn state.

The preparation process of the antioxidant fully drawn yarn also uses an antioxidant fully drawn yarn preparation device;

antioxidant fully drawn yarn preparation facilities, including support body, drive shaft II, silk thread roller, hollow roller, drive shaft I and wire winding seat, drive shaft I all rotates with drive shaft II to be connected on the support body, and hollow roller and silk thread roller are connected with drive shaft I and drive shaft II respectively, and the symmetry is equipped with two wire winding seats on the hollow roller.

From being close to the one end of support body to deviating from the one end of support body the external diameter of hollow roll decreases progressively, two wire winding seats all with hollow roll between swing joint.

The anti-oxidation fully drawn yarn preparation device further comprises sliding grooves, adjusting seats, screw rods, inserting rods and a linkage frame, wherein the hollow roller is provided with two sliding grooves, the two winding seats are respectively arranged on the two adjusting seats, the two adjusting seats are respectively connected in the two sliding grooves in a sliding mode, one of the adjusting seats is in threaded connection with the screw rods, and the screw rods are rotatably connected to the inner wall of the hollow roller; two on the wire winding seat respectively fixed connection inserted bar, two inserted bars are all sliding connection on the link, and link swing joint is on drive shaft I.

The anti-oxidation fully drawn yarn preparation device further comprises a box body, a lead ring and a sliding frame, wherein the box body is fixedly connected to the frame body, the sliding frame is connected with the box body, and the lead ring is arranged on the sliding frame.

And the sponge sleeve in the lead ring adsorbs redundant antioxidant solution remained on the silk thread.

The lead ring is fixedly connected with an inserted bar, the inserted bar is inserted into an annular groove in the grooved pulley, the grooved pulley is connected to the driving shaft I in a clearance fit mode, and the grooved pulley is connected with the winding seat through two connecting rods, so that the position of the lead ring can be synchronously driven to change when the position of the winding seat changes.

Two horizontal sliding connection is in two regulation seats respectively for the winding seat, and lug on the regulation seat has restricted the winding seat and can only be on adjusting the seat horizontal slip with the recess cooperation on the winding seat, and two are adjusted a square pole of vertical sliding connection respectively on the seat, and a dog of fixed connection is respectively distinguished to the outer end of two square poles, overlaps respectively on two square poles and establishes an elastic component, and the elastic component is the spring, and seat and dog are adjusted to the both ends difference fixed connection of spring, and two dogs laminate with two winding seats respectively, block two winding seats in two regulation seats.

Two a T type frame has been inserted respectively on the wire winding seat, and threaded connection is on two lead screws respectively for two T type framves, threaded connection between two lead screws and two wire winding seats, and the outer end fixedly connected with pin of two T type frames, two pins correspond with the arc wall on two wire winding seat outer ends respectively.

The inner ends of the two T-shaped frames are respectively fixedly connected with a convex top, and the two convex tops are respectively arranged corresponding to the inclined planes of the two stop blocks.

(III) advantageous effects

Compared with the prior art, the preparation process of the antioxidant fully drawn yarn has the beneficial effects that:

the invention can stretch the silk thread to different degrees; the driving shaft II and the driving shaft I respectively drive the silk thread roller and the hollow roller to rotate, when the rotating speed of the driving shaft I is controlled to be larger than that of the driving shaft II, the silk thread can be stretched for the first time, and the difference between the circumferential diameter between the two winding seats and the diameter of the silk thread on the silk thread roller can be used for stretching the silk thread again, so that the secondary stretching of the silk thread is realized; the diameter of the circumferential surface formed by the two winding seats is changed, so that the silk thread can be stretched to different degrees; when two wire winding seats are close to the end with the largest diameter of the hollow roller, the diameter of the circumferential surface formed by the two wire winding seats is largest, the stretching degree of the silk thread is largest, and the silk thread can be stretched to the largest degree under the condition that the driving shaft I is matched with the rotating speed of the driving shaft II, so that different stretching strengths can be selected according to different silk thread properties.

Drawings

FIG. 1 shows a process flow diagram of the present invention;

FIG. 2 is a schematic view of a bobbin carriage;

FIG. 3 shows a schematic diagram of the structure of the present invention for multiple drawing of a yarn;

FIG. 4 is a schematic view of the position-adjustable structure of two winding seats;

FIG. 5 shows a schematic cross-sectional view of FIG. 4;

FIG. 6 shows a schematic view of a portion of the structure of FIG. 4;

FIG. 7 shows a schematic view of the internal structure of FIG. 4;

FIG. 8 is a schematic view of the adjustment block;

FIG. 9 is a schematic view of the engagement structure of the lead ring and the yoke for synchronous movement;

FIG. 10 shows a schematic view of a portion of the structure of FIG. 9;

FIG. 11 is a schematic view of the stopper blocking the adjusting seat in the adjusting seat;

FIG. 12 is a schematic view of the structure of the gear and the square bar;

FIG. 13 is a schematic view of the mating structure of the barrier wire and the release wire;

FIG. 14 shows a schematic view of a portion of the structure of FIG. 13;

fig. 15 shows an exploded view of the drive shaft ii and the thread roll.

Description of the drawings: a frame body-1; 1.1 of a box body; driving a shaft II-2; 2.1 of a silk thread roller; long screw-2.2; a hollow roll-3; a driving shaft I-3.1; a chute-3.2; a winding seat-4; 4.1 of an adjusting seat; the block is-4.1.1; square bar-4.1.2; 4.2 parts of a screw; 4.3 of inserted link; linkage frame-4.4; 4.5 of screw rod; t-shaped frame-4.6; 4.7 of a stop lever; convex top-4.8; a wire loop-5; a carriage-5.1; 5.2 parts of inserted link; sheave-5.3; connecting rod-5.4.

Detailed Description

Embodiments of the present invention will be described below with reference to the drawings.

Referring to fig. 2-3, the present invention provides a technical solution for performing secondary drawing on a yarn:

further, silk threads to be stretched are wound on a silk thread roller 2.1, the silk thread roller 2.1 is connected with a driving shaft II 2, the driving shaft II 2 is rotatably connected to the lower end of a frame body 1, the driving shaft II 2 is fixedly connected to an output shaft of a first speed reducing motor, a driving shaft I3.1 is rotatably connected to the upper end of the frame body 1, a driving shaft I3.1 is fixedly connected to an output shaft of a second speed reducing motor, the first speed reducing motor and the second speed reducing motor are fixedly connected to the frame body 1, a hollow roller 3 is fixedly connected to the driving shaft I3.1, two winding seats 4 are symmetrically arranged on the hollow roller 3, a small solid thread ring is welded on each of the two winding seats 4, the tail ends of the silk threads on the silk thread roller 2.1 are tied to the solid thread ring on one of the winding seats 4, the first speed reducing motor and the second speed reducing motor are started to respectively drive the driving shaft II 2 and the driving shaft I3.1 to rotate, the driving shaft II 2.1 and the driving shaft I3.1 respectively drive the silk thread roller 2.1 and the hollow roller 3 to rotate, the circumference diameter that two wire winding seats 4 formed is greater than the diameter of the silk thread of coiling on the silk thread roller 2.1, when drive shaft I3.1 and drive shaft II 2 carried out the rotation with the same rotational speed, silk thread on the silk thread roller 2.1 was gradually convoluteed and is shifted to on the two wire winding seats 4 on the hollow roller 3, because the circumference diameter between two wire winding seats 4 and the diameter difference of the silk thread on the silk thread roller 2.1 during, can carry out first drawing to the silk thread, when the rotational speed of control drive shaft I3.1 was greater than the rotational speed of drive shaft II 2, can carry out the drawing of once more again to the silk thread, realize the secondary drawing to the silk thread.

Referring to fig. 4, the present invention provides a technical solution for selecting different tensile strengths according to different yarn properties:

further, the hollow roller 3 is a conical hollow cylinder, the diameter of the end of the hollow roller 3 far from the frame 1 is smaller than that of the end close to the frame 1, and the two winding seats 4 can slide along the direction in which the diameter of the hollow roller 3 changes, so as to change the diameter of the circumferential surface formed by the two winding seats 4, so as to stretch the silk thread to different degrees, when the two winding seats 4 are close to the end with the smaller diameter of the hollow roller 3, the diameter of the circumferential surface formed by the two winding seats 4 is the smallest, but in this situation, the diameter of the circumferential surface between the two winding seats 4 is larger than or equal to the diameter of the silk thread rolled on the silk thread roller 2.1, so that the goal of stretching the silk thread when the silk thread is transferred can be realized, when the two winding seats 4 are close to the end with the largest diameter of the hollow roller 3, the diameter of the circumferential surface formed by the two winding seats 4 is the largest, the silk thread stretching degree is maximum, and under the condition that the rotating speed of the driving shaft I3.1 is greater than the rotating speed of the driving shaft II 2, the silk thread can be stretched to the maximum degree, so that different stretching strengths can be selected according to different silk thread properties.

Referring to fig. 5-8, the present invention provides a technical solution for maintaining synchronization when the positions of two winding seats are changed:

furthermore, the two winding seats 4 are respectively arranged on the two adjusting seats 4.1, the hollow roller 3 is symmetrically provided with two sliding chutes 3.2, the two adjusting seats 4.1 are respectively connected in the two sliding chutes 3.2 in a sliding manner, the adjusting seat 4.1 at the upper end is in threaded connection with the screw rod 4.2, the screw rod 4.2 is rotationally connected on the inner wall of the hollow roller 3, and the screw rod 4.2 at the upper end can be driven to slide in the sliding chute 3.2 when the screw rod 4.2 is rotated, so that the relative position between the winding seat 4 at the upper end and the hollow roller 3 is changed; the two adjusting seats 4.1 are respectively fixedly connected with an inserting rod 4.3, the two inserting rods 4.3 are symmetrical relative to the axis center of the driving shaft I3.1, the two inserting rods 4.3 are respectively connected to two ends of the winding seat 4 in a sliding manner, the winding seat 4 is connected to the driving shaft I3.1 in a sliding manner, when the position of the adjusting seat 4.1 at the upper end is changed, the inserting rod 4.3 on the upper end can drive the winding seat 4 to synchronously slide on the driving shaft I3.1, and the inserting rod 4.3 at the lower end drives the adjusting seat 4.1 at the lower end to slide on the sliding groove 3.2 at the lower end through the linkage frame 4.4 at the lower end, so that the positions of the two winding seats 4 are synchronously changed, dislocation is avoided, and the two winding seats 4 are always kept synchronously, and winding disorder of silk threads is avoided; on this basis, because when two spool seats 4 changed on hollow roller 3 position synchronization, the interval between two spool seats 4 changed, the cooperation of inserted bar 4.3 and spool seat 4 can not influence the interval between two spool seats 4 and change.

Referring to fig. 9, the present invention provides a technical solution for guiding a yarn:

further, box body 1.1 is installed to the lower extreme of support body 1, silk thread roller 2.1 is located box body 1.1, pour into anti-oxidant solution in box body 1.1, the silk thread on silk thread roller 2.1 soaks in anti-oxidant solution, carry out anti-oxidant processing to the silk thread, install balladeur train 5.1 on the box body 1.1, sliding connection has lead ring 5 on balladeur train 5.1, the silk thread on silk thread roller 2.1 passes behind lead ring 5 and ties on the solid wire ring, lead ring 5 corresponds the setting with wire winding seat 4, lead ring 5 plays the effect of guide to the silk thread, make silk thread shift tensile in-process can be neatly twined on two wire winding seats 4, control when avoiding the silk thread to shift and control winding disorder

On this basis, in the horizontal direction, silk thread roller 2.1 is located between lead ring 5 and wire winding seat 4, and the silk thread penetrates from the rear end of lead ring 5, and wear out from the lead ring 5 front end, then fixes on the solid wire loop for the silk thread is circuitous winding on two wire winding seats 4 behind lead ring 5, realizes before the tensile silk thread, straightens the silk thread with the help of tensile power with lead ring 5, makes the silk thread after the tensile smooth.

Furthermore, the silk thread passes through the sponge sleeve in the lead ring 5 during transfer, and the sponge sleeve adsorbs residual redundant antioxidant solution on the silk thread, so that excessive solution remained on the silk thread is avoided.

Referring to fig. 9-10, the present invention provides a technical solution for synchronous movement between a wire loop 5 and a winding seat 4:

furthermore, an inserted bar 5.2 is fixedly connected to the lead ring 5, the inserted bar 5.2 is inserted into an annular groove on a sheave 5.3, the sheave 5.3 is connected to a driving shaft I3.1 in a clearance fit manner, the sheave 5.3 is connected with the winding base 4 through two connecting rods 5.4, so that the position of the lead ring 5 can be synchronously driven to change when the position of the winding base 4 changes, the lead ring 5 and the winding base 4 always keep moving on a plane, meanwhile, the inserted bar 5.2 is matched with the sheave 5.3, and the clearance fit of the sheave 5.3 and the driving shaft I3.1 cannot influence the synchronous movement between the lead ring 5 and the winding base 4.

Referring to fig. 11-12, the present invention provides a technical solution for taking out and detaching the winding seat 4:

furthermore, the two winding seats 4 are respectively connected in the two adjusting seats 4.1 in a horizontal sliding manner, the convex blocks on the adjusting seats 4.1 are matched with the grooves on the winding seats 4, so that the winding seats 4 are limited to only slide left and right on the adjusting seats 4.1, the two adjusting seats 4.1 are respectively connected with a square rod 4.1.2 in a vertical sliding manner, the outer ends of the two square rods 4.1.2 are respectively fixedly connected with a stop block 4.1.1, the two square rods 4.1.2 are respectively sleeved with an elastic piece, the elastic pieces are springs, two ends of each spring are respectively fixedly connected with the adjusting seat 4.1 and the stop block 4.1, the two stop blocks 4.1.1 are respectively attached to the two winding seats 4, and the two winding seats 4 are blocked in the two adjusting seats 4.1; when pressing dog 4.1.1 to the direction that is close to drive shaft I3.1, dog 4.1.1 is accomodate and is separated with winding seat 4 in adjusting seat 4.1, and winding seat 4 can take out from adjusting seat 4.1 and lift off this moment, changes the full drawn wire of the lapping that winding seat 4 of not equidimension model can twine out different diameters and the number of turns.

Referring to fig. 13 to 14, the present invention provides a technical solution for discharging a rolled fully drawn yarn that is antioxidant after drawing:

furthermore, two T-shaped frames 4.6 are respectively inserted into the two winding seats 4, the two T-shaped frames 4.6 are respectively in threaded connection with the two lead screws 4.5, the two lead screws 4.5 are in threaded connection with the two winding seats 4, the outer ends of the two T-shaped frames 4.6 are fixedly connected with stop rods 4.7, the two stop rods 4.7 respectively correspond to arc-shaped grooves in the outer ends of the two winding seats 4, the T-shaped frames 4.6 are driven to be inserted into the winding seats 4 when the two lead screws 4.5 are rotated, the T-shaped frames 4.6 drive the stop rods 4.7 to move synchronously, the stop rods 4.7 stop the outer ends of the wound silk threads, the silk threads are limited between the stop rods 4.7 and the winding seats 4, and when the two winding seats 4 are taken down, the silk threads can be prevented from scattering, and therefore the stretched antioxidant fully drawn silk can be unloaded.

Referring to fig. 13-14, the present invention provides a technical solution for automatically separating and dismounting two winding seats 4:

furthermore, the inner ends of the two T-shaped frames 4.6 are respectively fixedly connected with a convex top 4.8, the two convex tops 4.8 are respectively arranged corresponding to the inclined planes of the two check blocks 4.1.1, when the stop lever 4.7 moves to stop at the outer end of the silk thread, the T-shaped frames 4.6 synchronously drive the convex tops 4.8 to move towards the direction close to the check blocks 4.1.1, the inclined planes of the check blocks 4.1.1 extruded by the convex tops 4.8 drive the check blocks 4.1 to move towards the direction far away from the bobbin 4, so that when the stop lever 4.7 stops at the outer end of the silk thread, the convex tops 4.8 are extruded to release the blocking on the check blocks 4.1.1, and the two bobbin 4 and the two adjusting seats 4.1 are automatically separated and detached.

The inner circle of silk thread roller 2.1 is equipped with the bead, be equipped with protruding arris groove on the drive shaft II 2, bead on the silk thread roller 2.1 and the cooperation of the bead groove on the drive shaft II 2, when drive shaft II 2 rotated, the cooperation through bead and protruding arris groove drives silk thread roller 2.1 synchronous rotation, threaded connection has long screw 2.2 on the silk thread roller 2.1, long screw 2.2 inserts in the round hole on the drive shaft II 2, with the fixed position between drive shaft II 2 and the silk thread roller 2.1, long screw 2.2 and the drive shaft II 2 after-separating, can take out and lift off silk thread roller 2.1 and change.