CN220376577U - Automatic broken yarn glass fiber wire drawing machine - Google Patents

Abstract

The utility model belongs to the technical field of the wire drawing machine, a glass fiber wire drawing machine of automatic yarn breakage is disclosed, which comprises a frame, be provided with spindle unit in the frame, impeller mechanism, tilting mechanism, arrangement mechanism, wire blocking mechanism, force beam splitting mechanism, the water pipe, automatic yarn cutting mechanism and control mechanism, automatic yarn cutting mechanism is including the broken yarn pole that is on a parallel with impeller mechanism and arranges, even interval arrangement has a plurality of broken yarn sword on the broken yarn pole, automatic yarn cutting mechanism includes slim cylinder, the piston rod tip of slim cylinder is provided with the fork, the yarn sword is installed to the one end that the slim cylinder was kept away from to the fork, the opening has been seted up to the wire winding ring side of impeller mechanism, slim cylinder drive yarn sword reciprocating motion in the opening. The yarn connecting and head yarns between yarn groups are cut off respectively through the automatic yarn cutting mechanism and the automatic yarn cutting mechanism, so that manual cutting is not needed, the labor intensity of workers is reduced, the production efficiency is improved, and the automatic bottleneck of glass fiber drawing equipment is broken.

Description

Automatic broken yarn glass fiber wire drawing machine

Technical Field

The utility model relates to the technical field of wire drawing machines, in particular to a glass fiber wire drawing machine capable of automatically breaking yarns.

Background

The glass fiber drawing machine is a mechanical device for drawing glass melt into fiber form at high speed and winding the fiber into fiber rolls according to a certain rule.

At present, glass fiber wiredrawing in the market is various, and when in actual use, the head yarn needs to be manually cut off, and when the drum is detached, the connecting yarn between yarn groups needs to be cut off, so that special operators need to be equipped during production. The operation workers need to cut the head yarn, cut the connecting yarn, unload the cylinder and change the cylinder at high frequency, so that the labor intensity of the workers is high, the working efficiency is low, and the automatic development of wire drawing production is severely restricted.

Disclosure of Invention

In order to solve the problems, the utility model provides a glass fiber drawing machine capable of automatically breaking yarns.

The technical aim of the utility model is realized by the following technical scheme: the utility model provides an automatic broken yarn's glass fiber wire drawing machine, includes the frame, be provided with spindle unit, impeller mechanism, tilting mechanism, arrangement mechanism, fender silk mechanism, forced beam splitting mechanism, water pipe and control mechanism in the frame, still include automatic broken yarn mechanism and automatic yarn cutting mechanism, automatic broken yarn mechanism is including the broken yarn pole that is on a parallel with impeller mechanism and arranges, even interval arrangement has a plurality of broken yarn sword on the broken yarn pole, automatic yarn cutting mechanism includes slim cylinder, the fixed fork that is provided with in piston rod tip of slim cylinder, the yarn cutter is installed to the one end that the slim cylinder was kept away from to the fork, the opening has been seted up to the reeling ring side of impeller mechanism, slim cylinder drive yarn cutter is along impeller mechanism length direction reciprocating motion in the opening.

Through adopting above-mentioned technical scheme, set up automatic yarn mechanism and automatic yarn mechanism that cuts, be used for cutting the locomotive yarn of linking yarn between the yarn group, impeller mechanism front end respectively, just so need not the manual work to cut off, reduced workman's intensity of labour, improved production efficiency, after linking yarn between the yarn group and the waste yarn on the anterior yarn winding ring of impeller cut off, unload yarn manipulator can directly take away yarn, put on the creel, whole process need not the manual work and operates, make unmanned, the automation of whole glass fiber wire drawing process, broken glass fiber wire drawing equipment automatic bottleneck.

Further, be provided with the base in the frame, it is provided with the lead screw to rotate on the base, the one end that impeller mechanism was kept away from to the lead screw is connected with rotating motor, screwed connection has the sliding seat on the lead screw, it is provided with the connecting rod to rotate on the sliding seat, frame and broken yarn pole one end fixed connection are passed to connecting rod one end.

Through adopting above-mentioned technical scheme, rotate through the lead screw and drive sliding seat and broken yarn pole slip, the drive is steady, and the accuracy is high.

Further, the connecting rod is fixedly provided with the connecting block far away from one end of the impeller mechanism, the driving cylinder which is obliquely arranged is arranged on the sliding seat, and the end part of a piston rod of the driving cylinder is connected with the connecting block through a rotating shaft.

Through adopting above-mentioned technical scheme, set up connecting block, actuating cylinder and axis of rotation, thereby drive the connecting block through actuating cylinder is flexible to rotate and make the broken yarn pole, and then make the broken yarn sword of broken yarn pole front end rotate to impeller mechanism be close to cut off the continuous yarn between each yarn group on the impeller mechanism.

Further, the thin air cylinder is arranged in the impeller mechanism, a piston rod of the thin air cylinder penetrates through a yarn winding ring of the impeller mechanism, and the yarn cutter is arranged in a notch of the yarn winding ring.

Through adopting above-mentioned technical scheme, with slim cylinder setting in impeller mechanism, need not occupy extra space, the arrangement of the yarn sword of also being convenient for, simple structure, convenient operation.

Further, the bottom of the frame is provided with a lifting mechanism, the lifting mechanism comprises a lifting table moving along the vertical direction, the yarn breaking rod is rotatably arranged on the lifting table, a yarn breaking knife is arranged between reels of the impeller mechanism, the thin air cylinder is fixedly arranged on the lifting table, and the yarn cutting knife is vertically upwards arranged under a notch of a yarn winding ring of a standby impeller of the impeller mechanism.

Through adopting above-mentioned technical scheme, set up elevating system, transport impeller side and impeller tip respectively with broken yarn sword and yarn cutter through elevating system's elevating movement, cut yarn and locomotive yarn, convenient operation.

Further, elevating system is including fixed sleeve who sets up in the frame, fixed sleeve length direction is unanimous with impeller mechanism length direction, fixed sleeve internal rotation is provided with the transmission shaft, the transmission shaft is close to frame one end and is connected with servo motor, the transmission shaft is kept away from the epaxial interval arrangement of frame one end and has been had two gears, fixed sleeve keeps away from frame one end and is provided with the connecting pipe, vertical arrangement has two uide bushing in the connecting pipe, the connecting pipe top is provided with the elevating platform, the elevating platform bottom is provided with two guide posts downwards, guide post is arranged in the uide bushing and the guide post is close to the vertical rack that is provided with in transmission shaft one side, rack and gear engagement, be provided with the mounting panel on the elevating platform, slim cylinder is installed on the mounting panel.

Through adopting above-mentioned technical scheme, set up fixed sleeve, transmission shaft, servo motor, gear, connecting pipe, uide bushing, elevating platform, guide post, rack, mounting panel etc. through transmission shaft rotation drive gear rotation, then drive the rack up-and-down motion on guide post and the last guide post to drive elevating platform up-and-down motion, so that cut yarn with broken yarn sword and cut yarn sword and send working position to cut yarn.

Further, the lifting table is hinged to be provided with the rotating plate through the hinge shaft, the hinge shaft is parallel with the length direction of the impeller mechanism, the yarn breaking rod is arranged on one side of the rotating plate away from the hinge shaft, the lifting table is positioned below the rotating plate and is provided with a notch, the bottom of the lifting table is provided with a support, the support is fixedly provided with a pushing cylinder, a piston rod of the pushing cylinder is upwards connected with a connecting plate in a rotating manner at the end part of the piston rod, and the other end of the connecting plate is connected with the rotating plate on one side of the rotating plate away from the hinge shaft in a rotating manner.

Through adopting above-mentioned technical scheme, set up rotor plate, actuating cylinder, connecting plate, drive the connecting plate through actuating cylinder and promote the rotor plate and rotate around the articulated shaft to make broken yarn pole swing, send close to the impeller position with broken yarn sword, cut off the continuous yarn.

In summary, the utility model has the following beneficial effects: in this application, through setting up automatic yarn mechanism and automatic yarn mechanism of cutting, be used for cutting off the locomotive yarn of linking yarn between the yarn group, impeller mechanism front end respectively, just so need not the manual work to cut off, reduced workman's intensity of labour, improved production efficiency, link between the yarn group and behind the broken yarn of the anterior yarn ring of rolling up of impeller, unload yarn manipulator can directly take off yarn, put on the creel, whole process need not the manual work and operates, make whole glass fiber wire drawing process unmanned, automatic, broken glass fiber wire drawing equipment automatic bottleneck.

Drawings

FIG. 1 is a schematic view showing the overall structure of embodiment 1 of the present utility model;

fig. 2 is a schematic structural view of an automatic yarn cutting mechanism part of embodiment 1 of the present utility model;

FIG. 3 is an enlarged schematic view of portion A of FIG. 2;

FIG. 4 is a schematic view of the structure of an automatic yarn cutting mechanism according to embodiment 1 of the present utility model;

FIG. 5 is a schematic overall structure of embodiment 2 of the present utility model;

FIG. 6 is a schematic view showing the structure of a lifting mechanism part according to embodiment 2 of the present utility model;

FIG. 7 is an enlarged schematic view of portion B of FIG. 6;

FIG. 8 is a schematic view showing the structure of the inside of the lifting mechanism according to embodiment 2 of the present utility model;

fig. 9 is an enlarged schematic view of a portion C of fig. 8.

In the figure: 10. a frame; 11. a spindle mechanism; 12. an impeller mechanism; 121. a wire winding ring; 122. a notch; 13. a turnover mechanism; 14. an orchestration mechanism; 15. a wire blocking mechanism; 16. a forced beam splitting mechanism; 17. a water pipe; 20. an automatic yarn breaking mechanism; 21. a yarn breaking rod; 22. yarn breaking knife; 30. an automatic yarn cutting mechanism; 31. a thin cylinder; 32. shifting fork; 33. a yarn cutter; 41. a base; 42. a screw rod; 43. a rotating motor; 44. a sliding seat; 45. a connecting rod; 46. a connecting block; 47. a driving cylinder; 48. a rotating shaft; 50. a lifting mechanism; 51. a lifting table; 52. fixing the sleeve; 53. a transmission shaft; 54. a servo motor; 55. a gear; 56. a connecting pipe; 57. a guide sleeve; 58. a guide post; 59. a rack; 61. a hinge shaft; 62. a rotating plate; 63. a bracket; 64. pushing cylinder; 65. and (5) connecting a plate.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application; it is apparent that the described embodiments are only a part of the embodiments of the present application, not all of the embodiments, and all other embodiments obtained by a person having ordinary skill in the art without making creative efforts based on the embodiments in the present application are within the scope of protection of the present application.

Example 1

As shown in fig. 1-4, the embodiment of the application discloses an automatic yarn-breaking glass fiber drawing machine, which comprises a frame 10, wherein a main shaft mechanism 11, an impeller mechanism 12, a turnover mechanism 13, a arranging mechanism 14, a yarn blocking mechanism 15, a forced beam splitting mechanism 16, a water pipe 17, an automatic yarn-breaking mechanism 20, an automatic yarn-cutting mechanism 30 and a control mechanism are arranged on the frame 10, and the yarn-breaking mechanism 20 and the automatic yarn-cutting mechanism 30 are used for respectively cutting the continuous yarn between yarn groups and the front end of the impeller mechanism 12, so that manual cutting is not needed, the labor intensity of workers is reduced, the production efficiency is improved, after the continuous yarn between the yarn groups and the waste yarn on a yarn winding ring 121 at the front part of the impeller are cut, the yarn can be directly taken away by a yarn unloading manipulator and put on the yarn frame, and the whole process does not need manual operation, so that the whole glass fiber drawing process is unmanned and automatic, and the bottleneck of glass fiber drawing equipment is broken.

Specifically, the automatic yarn breaking mechanism 20 includes yarn breaking rods 21 arranged parallel to the impeller mechanism 12, a plurality of yarn breaking knives 22 are uniformly and alternately arranged on the yarn breaking rods 21, the number of the yarn breaking knives 22 is specifically set according to the type of the wire drawing machine, and is one less than that of yarn rolls formed on the impeller mechanism 12, namely, if 4 yarn rolls can be pulled on one impeller mechanism 12, the number of the yarn breaking knives 22 is 3, the distance between two adjacent yarn breaking knives 22 is equal to the width of one yarn roll plus half of the interval distance between two yarn rolls, so that each yarn breaking knife 22 can be ensured to be positioned between two adjacent yarn rolls in operation, and continuous yarns between all yarn rolls can be cut off in one operation without cutting for a plurality of times.

When the impeller mechanism is arranged, the base 41 is arranged in the frame 10, the screw rod 42 is rotatably arranged on the base 41, the sliding seat 44 is spirally connected on the screw rod 42, the connecting rod 45 is rotatably arranged in the sliding seat 44, and the length directions of the screw rod 42 and the connecting rod 45 are consistent with the length direction of the impeller mechanism 12. One end of the screw rod 42, which is far away from the impeller mechanism 12, is connected with a rotating motor 43, and the screw rod 42 is driven to rotate by the rotating motor 43 so that the sliding seat 44 and the connecting rod 45 move along the length direction of the impeller mechanism 12. One end of the connecting rod 45 passes through the frame 10, and a linear bearing may be provided at the frame 10 to facilitate movement of the connecting rod 45 on the frame 10. A connecting block 46 is fixedly arranged at one end of the connecting rod 45 far away from the impeller mechanism 12, a driving cylinder 47 which is obliquely arranged is arranged on the sliding seat 44, and the end part of a piston rod of the driving cylinder 47 is connected with the connecting block 46 through a rotating shaft 48. The rotation of the connecting rod 45 can be achieved by a telescopic movement of the piston rod of the driving cylinder 47.

The yarn breaking bar 21 is arranged at one end of the connecting bar 45 penetrating the frame 10 and fixedly connected with the end thereof. Thus, the yarn breaking rod 21 can move along the length direction of the impeller mechanism 12 under the action of the rotating motor 43 and the screw rod 42, and the yarn breaking knife 22 can be moved between two yarn rolls; then the driving cylinder 47 drives the connecting rod 45 and the yarn breaking rod 21 to rotate, so that the yarn breaking knife 22 moves towards the direction of the trapping mechanism and the knife edge is abutted against the impeller, and the continuous yarn between the yarn rolls can be broken under the low-speed rotation of the impeller.

The automatic yarn cutting mechanism 30 comprises a thin air cylinder 31, a shifting fork 32 is fixedly arranged at the end part of a piston rod of the thin air cylinder 31, and a yarn cutting knife 33 is arranged at one end, far away from the thin air cylinder 31, of the shifting fork 32. The yarn cutter 33 is driven to reciprocate by the telescopic motion of the piston rod of the thin air cylinder 31 to cut the yarn on the head.

When the automatic yarn cutting mechanism is arranged, the thin air cylinder 31 of the automatic yarn cutting mechanism 30 is arranged in the impeller mechanism 12, a piston rod of the thin air cylinder 31 penetrates through the yarn winding ring 121 of the impeller mechanism 12, a notch 122 is formed in the side edge of the yarn winding ring 121, the yarn cutting knife 33 is arranged in the notch 122 of the yarn winding ring 121, and the knife tip of the yarn cutting knife 33 extends out of the yarn winding ring 121, and the thin air cylinder 31 drives the yarn cutting knife 33 to reciprocate in the notch 122 along the length direction of the impeller mechanism 12, so that the head yarn on the yarn winding ring 121 is cut.

The use principle of the glass fiber drawing machine capable of automatically breaking yarns in the embodiment is as follows: after all yarn groups on the impeller are rolled up, the turnover mechanism 13 drives the main shaft mechanism 11 and the impeller mechanism 12 to rotate, the impeller mechanism 12 with the rolled yarn groups is rotated to a standby position, and the impeller mechanism 12 in the standby position is rotated to a working position; then the rotating motor 43 drives the screw rod 42 to rotate so that the sliding seat 44 drives the connecting rod 45 and the yarn breaking rod 21 to move along the length direction of the impeller mechanism 12, the yarn breaking knife 22 moves between yarn groups of the impeller mechanism 12 with the wound yarn groups, then the driving cylinder 47 pushes the connecting block 46 to rotate the connecting rod 45 and the yarn breaking rod 21, the yarn breaking knife 22 is attached to the impeller, and continuous yarns between the yarn groups are broken through low-speed rotation of the impeller; simultaneously, the telescopic movement of the piston rod of the thin air cylinder 31 in the impeller mechanism 12 drives the yarn cutter 33 to reciprocate so as to cut off the headstock yarn on the yarn winding ring 121; after the yarn is cut, the yarn cutter 22 and the yarn cutter 33 return to the original positions, thereby facilitating the subsequent yarn unloading work. Therefore, automatic cutting of the continuous yarn and the head yarn can be realized, and automatic production can be conveniently carried out by introducing automatic equipment.

Example 2

As shown in fig. 5-9, the embodiment of the application discloses an automatic yarn-breaking glass fiber drawing machine, which is consistent with the main structure of the embodiment, and is characterized in that a lifting mechanism 50 is arranged at the bottom of a frame 10, the lifting mechanism 50 comprises a lifting table 51 moving along the vertical direction, the automatic yarn-breaking mechanism 20 and the automatic yarn-cutting mechanism 30 are arranged on the lifting table 51, the yarn-breaking knife 22 and the yarn-cutting knife 33 are respectively moved to working positions through the lifting movement of the lifting table 51, the original structure of the drawing machine is not required to be changed, and only one set of mechanism is additionally added, so that the upgrading and reconstruction of the existing drawing machine equipment of factories can be facilitated.

Specifically, the lifting mechanism 50 comprises a fixed sleeve 52 fixedly arranged on the frame 10, the length direction of the fixed sleeve 52 is consistent with the length direction of the impeller mechanism 12, a transmission shaft 53 is rotationally arranged in the fixed sleeve 52, one end, close to the frame 10, of the transmission shaft 53 is connected with a servo motor 54, two gears 55 are arranged on a shaft body, far away from one end of the frame 10, of the transmission shaft 53 at intervals, a connecting pipe 56 is arranged at one end, far away from the frame 10, of the fixed sleeve 52, two guide sleeves 57 are vertically arranged in the connecting pipe 56, a lifting table 51 is arranged above the connecting pipe 56, two guide posts 58 are downwards arranged at the bottom of the lifting table 51, the guide posts 58 are arranged in the guide sleeves 57, racks 59 are vertically arranged on one side, close to the transmission shaft 53, of the guide posts 58, and the racks 59 are meshed with the gears 55. The transmission shaft 53 is driven to rotate by the servo motor 54 to drive the two gears 55 thereon to rotate, so that the racks 59 meshed with the gears 55 are driven to move up and down, and the guide posts 58 move up and down in the guide sleeves 57, so that the up-and-down movement of the lifting table 51 can be realized.

The lifting table 51 is provided with a mounting plate, the thin cylinder 31 of the automatic yarn cutting mechanism 30 is mounted on the mounting plate, and the yarn cutting knife 33 is vertically upwards arranged under the notch 122 of the yarn winding ring 121 of the spare impeller of the impeller mechanism 12. After the lifting table 51 is lifted, the yarn cutter 33 is moved into the notch 122 of the yarn winding ring 121, and the yarn on the yarn is cut off by the telescopic movement of the piston rod of the thin cylinder 31.

The lifting table 51 is hinged with a rotating plate 62 through a hinge shaft 61, the hinge shaft 61 is axially parallel to the length direction of the impeller mechanism 12, a notch is formed below the rotating plate 62, a support 63 is arranged at the bottom of the lifting table 51, a pushing cylinder 64 is fixedly arranged on the support 63, a piston rod of the pushing cylinder 64 is upwards connected with a connecting plate 65 in a rotating mode at the end portion of the piston rod, and the other end of the connecting plate 65 is connected with one side, far away from the hinge shaft 61, of the rotating plate 62 through the notch. So that the piston rod of the pushing cylinder 64 moves upward to push the rotating plate 62 to rotate upward around the hinge shaft 61 through the connecting plate 65. The yarn breaking rod 21 is arranged on one side of the rotating plate 62 away from the hinge shaft 61, and the rotating plate 62 rotates to drive the yarn breaking rod 21 to move, so that the yarn breaking knife 22 is driven to move to a position close to the impeller.

The use principle of the glass fiber drawing machine capable of automatically breaking yarns in the embodiment is as follows: after all yarn groups on the impeller are rolled up, the turnover mechanism 13 drives the main shaft mechanism 11 and the impeller mechanism 12 to rotate, the impeller mechanism 12 with the rolled yarn groups is rotated to a standby position, and the impeller mechanism 12 in the standby position is rotated to a working position; the servo motor 54 drives the transmission shaft 53 to rotate so as to drive the two gears 55 to rotate, thereby driving the rack 59 and the lifting table 51 to move upwards and moving the yarn cutter 33 to the working position; the telescopic movement of the piston rod of the thin air cylinder 31 of the automatic yarn cutting mechanism 30 drives the yarn cutting knife 33 to reciprocate so as to cut off the headstock yarn on the yarn winding ring 121; then the lifting mechanism 50 drives the yarn cutter 33 to descend to the working position of the yarn cutter 22, and the yarn cutter 33 is separated from the yarn winding ring 121 at the moment; the piston rod of the pushing cylinder 64 moves upwards to push the rotating plate 62 to rotate upwards around the hinge shaft 61 through the connecting plate 65, so that the yarn breaking rod 21 is driven to move the yarn breaking knife 22 to a position close to the impeller, and continuous yarns among yarn groups are broken through low-speed rotation of the impeller; the yarn cutter 22 returns after the continuous yarn is cut off, and the lifting mechanism 50 drives the yarn cutter 33 and the yarn cutter 22 to return to the initial positions, so that convenience is brought to the subsequent yarn unloading work. Therefore, automatic cutting of the continuous yarn and the head yarn can be realized, and automatic production can be conveniently carried out by introducing automatic equipment.

The above description is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.

Claims (7)

1. The utility model provides an automatic glass fiber wire drawing machine of broken yarn, includes frame (10), be provided with spindle unit (11), impeller mechanism (12), tilting mechanism (13), arrangement mechanism (14), fender silk mechanism (15), force beam splitting mechanism (16), water pipe (17) and control mechanism on frame (10), characterized by: the automatic yarn cutting mechanism is characterized by further comprising an automatic yarn cutting mechanism (20) and an automatic yarn cutting mechanism (30), wherein the automatic yarn cutting mechanism (20) comprises a yarn cutting rod (21) which is parallel to the impeller mechanism (12), a plurality of yarn cutting knives (22) are uniformly arranged on the yarn cutting rod (21) at intervals, the automatic yarn cutting mechanism (30) comprises a thin air cylinder (31), a shifting fork (32) is fixedly arranged at the end part of a piston rod of the thin air cylinder (31), one end of the shifting fork (32) far away from the thin air cylinder (31) is provided with a yarn cutting knife (33), a notch (122) is formed in the side edge of a yarn winding ring (121) of the impeller mechanism (12), and the thin air cylinder (31) drives the yarn cutting knife (33) to reciprocate in the notch (122) along the length direction of the impeller mechanism (12).

2. The automatic yarn breaking glass fiber drawing machine according to claim 1, wherein: be provided with base (41) in frame (10), it is provided with lead screw (42) to rotate on base (41), the one end that impeller mechanism (12) was kept away from to lead screw (42) is connected with rotation motor (43), screwed connection has sliding seat (44) on lead screw (42), it is provided with connecting rod (45) to rotate on sliding seat (44), frame (10) and broken yarn pole (21) one end fixed connection are passed to connecting rod (45) one end.

3. The automatic yarn breaking glass fiber drawing machine according to claim 2, wherein: one end of the connecting rod (45) far away from the impeller mechanism (12) is fixedly provided with a connecting block (46), the sliding seat (44) is provided with a driving cylinder (47) which is obliquely arranged, and the end part of a piston rod of the driving cylinder (47) is connected with the connecting block (46) through a rotating shaft (48).

4. A glass fiber drawing machine with automatic yarn breaking according to any one of claims 1 to 3, characterized in that: the thin type air cylinder (31) is arranged in the impeller mechanism (12), a piston rod of the thin type air cylinder (31) penetrates through a yarn winding ring (121) of the impeller mechanism (12), and the yarn cutter (33) is arranged in a notch (122) of the yarn winding ring (121).

5. The automatic yarn breaking glass fiber drawing machine according to claim 1, wherein: the yarn cutting machine is characterized in that a lifting mechanism (50) is arranged at the bottom of the frame (10), the lifting mechanism (50) comprises a lifting table (51) moving along the vertical direction, the yarn cutting rod (21) is rotatably arranged on the lifting table (51) and a yarn cutting knife (22) is arranged between reels of the impeller mechanism (12), the thin air cylinder (31) is fixedly arranged on the lifting table (51), and the yarn cutting knife (33) is vertically upwards arranged under a notch (122) of a yarn winding ring (121) of a standby impeller of the impeller mechanism (12).

6. The automatic yarn breaking glass fiber drawing machine according to claim 5, wherein: the lifting mechanism (50) comprises a fixed sleeve (52) fixedly arranged on a frame (10), the length direction of the fixed sleeve (52) is consistent with that of the impeller mechanism (12), a transmission shaft (53) is rotationally arranged in the fixed sleeve (52), one end of the transmission shaft (53) close to the frame (10) is connected with a servo motor (54), two gears (55) are arranged on a shaft body of the transmission shaft (53) away from one end of the frame (10) at intervals, the fixed sleeve (52) is provided with a connecting pipe (56) away from one end of the frame (10), two guide sleeves (57) are vertically arranged in the connecting pipe (56), a lifting table (51) is arranged above the connecting pipe (56), two guide posts (58) are downwards arranged at the bottom of the lifting table (51), the guide posts (58) are arranged in the guide sleeves (57) and are vertically arranged on one side of the guide posts (58) close to the transmission shaft (53), the gears (59) are meshed with the gears (55), and mounting plates are arranged on the lifting table (51), and the mounting plates are mounted on the mounting plates.

7. The automatic yarn breaking glass fiber drawing machine according to claim 6, wherein: the utility model discloses a yarn cutting device, including articulated shaft (61), impeller mechanism (12), elevating platform (51), articulated board (62) are provided with through articulated shaft (61) on elevating platform (51), articulated shaft (61) axial and impeller mechanism (12) length direction are parallel, yarn breaking rod (21) set up and keep away from articulated shaft (61) one side at rotating board (62), elevating platform (51) are located rotating board (62) below and are provided with the breach, elevating platform (51) bottom is provided with support (63), fixed being provided with on support (63) pushes away cylinder (64), the piston rod that pushes away cylinder (64) upwards and its tip rotate and be connected with connecting plate (65), the connecting plate (65) other end is kept away from articulated shaft (61) one side rotation with rotating board (62) and is connected.