阅读说明：本技术 一种熔喷布的处理装置 (Processing apparatus of melt-blown fabric ) 是由 谢亚洲 于 2021-01-18 设计创作，主要内容包括：本发明公开一种熔喷布的处理装置,包括机架和主驱动轴,通过在收卷轴的两端分别设置纠偏装置,当布卷轴上的熔喷布收卷发生偏移时,熔喷布会带动其偏移一端的纠偏盘在轴向上移动,纠偏盘在轴向上移动时会带动的与其接触的一号滚轮挤压滚轮支架,滚轮支架会通过与其固定连接的一号连接杆,一号连接杆在带动一号伸缩杆、摆动杆和二号伸缩杆绕着支撑轴摆动,摆动的同时一号伸缩杆与摆动杆发生相对滑动,二号伸缩杆与摆动杆发生相对滑动,二号连接杆会推着二号滚轮向着收卷轴运动,可以有效防止熔喷布卷收卷时发生偏移。(The invention discloses a treatment device for melt-blown fabric, which comprises a rack and a main driving shaft, wherein two ends of a winding shaft are respectively provided with a deviation correcting device, when the melt-blown fabric on the fabric winding shaft deviates during winding, the melt-blown fabric drives a deviation correcting disc at the deviation end to move in the axial direction, the deviation correcting disc drives a roller extruding roller bracket which is in contact with the deviation correcting disc when moving in the axial direction, the roller bracket drives a first telescopic rod, a swinging rod and a second telescopic rod to swing around a supporting shaft through a first connecting rod fixedly connected with the roller extruding roller bracket, the first telescopic rod and the swinging rod slide relatively while swinging, the second telescopic rod and the swinging rod slide relatively, the second connecting rod pushes the second roller to move towards the winding shaft, and the deviation can be effectively prevented during winding of the melt-blown fabric.)

1. A processing apparatus of melt-blown fabric, characterized in that: the device comprises a rack (14) and a main driving shaft (18), wherein a second control cabinet (15) is fixedly connected to the left side of the rack (14), a fourth steering shaft (25) is arranged on the right side of the second control cabinet (15), the fourth steering shaft (25) is rotatably connected with the rack (14), a speed reducer (17) is arranged at the rear part of the main driving shaft (18), a third driving motor (16) is arranged on the right side of the speed reducer (17), a cloth winding shaft (21) is arranged on the left side of the main driving shaft (18), a third steering shaft (13) is arranged on the right side of the main driving shaft (18), the third steering shaft (13) is rotatably connected with the rack (14), a first steering shaft (12) is arranged on the right side of the third steering shaft (13), a second steering shaft (10) is arranged below the first steering shaft (12), and a second driving motor (11) is arranged on the left side of the second steering shaft (10), the second driving motor (11) is fixedly connected with the rack (14) through a bolt; the front end of cloth spool (21) slides the cover and is equipped with deviation correcting disc (20) No. one, the rear end of cloth spool (21) slides the cover and is equipped with deviation correcting disc (22) No. two, the outside of main drive axle (18) is provided with rolling axle (19), the front end of rolling axle (19) is provided with deviation correcting device (23) No. one, the rear end of rolling axle (19) is provided with deviation correcting device (24) No. two, deviation correcting device (23) are unanimous with the structure of deviation correcting device (24) No. two.

2. The deviation correcting device according to claim 1, wherein: the first deviation correcting device (23) comprises a supporting plate (26), a roller support (27), a first connecting rod (28), a first steering knuckle (29), a first telescopic rod (30), a swinging rod (31), a supporting shaft (32), a first roller (33), a second telescopic rod (34), a second steering knuckle (35), a second connecting rod (36), a second roller (37), a belt pulley (38) and a fourth driving motor (39), wherein the supporting plate (26) is fixedly connected with the rack (14), the middle part of an upper transverse plate of the supporting plate (26) is rotatably connected with the supporting shaft (32), the left side of the supporting shaft (32) is provided with the first connecting rod (28), the first connecting rod (28) is slidably inserted into the end part of the upper transverse plate of the supporting plate (26), the rear end of the first connecting rod (28) is fixedly connected with the roller support (27), and the inner side of the roller support (27) is rotatably connected with the first roller (33), the first idler wheel (33) is abutted against the first deviation rectifying disc (20), a swing rod (31) is arranged on one side of an upper transverse plate in parallel, a first telescopic rod (30) is connected to the left side of the swing rod (31) in a sliding mode, the first telescopic rod (30) is connected with a first connecting rod (28) in a rotating mode through a first steering knuckle (29), a second telescopic rod (34) is connected to the right side of the swing rod (31) in a sliding mode, the second telescopic rod (34) is connected with a second steering knuckle (35) in a rotating mode, the second steering knuckle (35) is connected with a second connecting rod (36) in a rotating mode, the second connecting rod (36) is inserted into the upper transverse plate of the supporting plate (26) in a sliding mode, an idler wheel support is fixedly connected to the rear end of the second connecting rod (36), a second idler wheel (37) is connected to the inside of the idler wheel support in a rotating mode, and the radian of the outer end face of the, no. two gyro wheels are located the top that a deviation rectifying dish periphery outside and be located the rolling axle, the right-hand member fixedly connected with belt pulley (38) of No. two gyro wheels (37), backup pad (26) are the T template, and driving motor (39) No. four of its right-hand member fixedly connected with, driving motor (39) and belt pulley (38) are the belt drive, and the axial of No. two gyro wheels is perpendicular with the axial of rolling axle, and No. two gyro wheels are used for lasting rotation in order to promote the epaxial melt-blown fabric of rolling along the axial skew of rolling axle to carry out the operation of rectifying.

3. The meltblown fabric processing apparatus of claim 2, further comprising: the right side fixedly connected with switch board (7) of frame (14), the below of switch board (7) is provided with supplementary generator of static (5), the right side of supplementary generator of static (5) is provided with high-voltage electrostatic generator (4), high-voltage electrostatic generator (4) and supplementary generator of static (5) all with frame (14) fixed connection.

4. The meltblown fabric processing apparatus of claim 3, further comprising: the rear fixedly connected with negative-pressure air fan (1) of frame (14), the front end fixed connection negative-pressure tank (2) of negative-pressure air fan (1), the right flank sliding connection of negative-pressure tank (2) has electrostatic conveyor belt (3), the up end of electrostatic conveyor belt (3) is provided with curing box (6).

5. The meltblown fabric processing apparatus of claim 4, further comprising: the inside rotation of the left end of static conveyer belt (3) is connected with conveyer belt pivot (9), the rear end of conveyer belt pivot (9) rotates and is connected with driving motor (8) No. one.

6. The meltblown fabric processing apparatus of claim 5, further comprising: the first deviation rectifying disc (20) is rotatably connected with the winding shaft (19), and the first deviation rectifying disc (20) is slidably connected with the rack (14) through a connecting shaft.

7. The meltblown fabric processing apparatus of claim 6, further comprising: the second deviation rectifying disc (22) is rotatably connected with the winding shaft (19), and the second deviation rectifying disc (22) is slidably connected with the rack (14) through a connecting shaft.

8. The meltblown fabric processing apparatus of claim 7, further comprising: the winding shaft (19) is in sliding connection in the axial direction of the main driving shaft (18), and the second roller (37) drives the winding shaft (19) to slide in the axial direction of the main driving shaft (18) when rotating.

9. The meltblown fabric processing apparatus of claim 8, further comprising: the control switch in the second control cabinet (15) is electrically connected with the second driving motor (11), the third driving motor (16) and the fourth driving motor (39), the first control cabinet (7) is electrically connected with the high-voltage electrostatic generator (4), the electrostatic auxiliary generator (5) and the curing box (6), and the output ends of the high-voltage electrostatic generator (4) and the electrostatic auxiliary generator (5) are electrically connected with the electrostatic conveying belt (3).

10. The meltblown fabric processing apparatus of claim 9, further comprising: establish through the elastic belt cover between No. four driving motor's the output shaft and the belt pulley and be connected, the perforation has been seted up respectively at the relative both ends of upper portion diaphragm, a connecting rod wears to locate two perforation respectively with No. two connecting rods, every fenestrate internal perisporium is provided with the elasticity and resumes the layer, every fenestrate perisporium epirelief is equipped with the spring, two springs overlap respectively and locate on a connecting rod and No. two connecting rods, when the small-angle rotation is done to a connecting rod and No. two connecting rods, elasticity resumes layer and spring and is used for providing and dodges the function, after No. two connecting rods rotate, it can tighten elastic belt, with the rotation dynamics that improves No. two gyro wheels, after release No. two gyro wheels, elasticity resumes layer and spring are used for assisting a connecting rod and No. two connecting rods and resume the normal position.

Technical Field

The invention belongs to the field of melt-blown fabric production, and particularly relates to a melt-blown fabric treatment device.

Background

The melt-blown fabric is the most core material of the mask, the melt-blown fabric mainly takes polypropylene as a main raw material, and the fiber diameter can reach 1-5 microns. The superfine fiber with the unique capillary structure increases the number and the surface area of the fiber per unit area, so that the melt-blown fabric has good filtering property, shielding property, heat insulation property and oil absorption property. Can be used in the fields of air and liquid filtering materials, isolating materials, absorbing materials, mask materials, warm-keeping materials, oil absorbing materials, wiping cloth and the like.

When the existing melt-blown fabric production processing device is used for winding melt-blown fabric, fabric rolls are easy to incline, so that the end surfaces of the fabric rolls are uneven, and material transportation is influenced; in severe cases, the winding equipment is blocked, and the production efficiency is influenced; meanwhile, the existing melt-blown fabric is not provided with a stretching device, and wrinkles easily appear during rolling of the melt-blown fabric, so that the use of raw materials is influenced.

Disclosure of Invention

The present invention provides a melt-blown fabric processing apparatus for solving at least one of the problems set forth in the background art described above.

In order to achieve the purpose, the invention provides the following technical scheme: a processing device for melt-blown fabric comprises a rack and a main driving shaft, wherein a second control cabinet is fixedly connected to the left side of the rack, a fourth steering shaft is arranged on the right side of the second control cabinet and is rotationally connected with the rack, a speed reducer is arranged at the rear part of the main driving shaft, a third driving motor is arranged on the right side of the speed reducer, a fabric winding shaft is arranged on the left side of the main driving shaft, a third steering shaft is arranged on the right side of the main driving shaft and is rotationally connected with the rack, a first steering shaft is arranged on the right side of the third steering shaft, a second steering shaft is arranged below the first steering shaft, a second driving motor is arranged on the left side of the second steering shaft, and the second driving motor is fixedly connected with the rack through bolts; the front end of cloth spool slides and overlaps and be equipped with the dish of rectifying a number, the rear end of cloth spool slides and overlaps and be equipped with the dish of rectifying a number two, the outside of main drive axle is provided with the rolling axle, the front end of rolling axle is provided with deviation correcting device a number, the rear end of rolling axle is provided with deviation correcting device No. two, deviation correcting device and No. two deviation correcting device's structure is unanimous.

Preferably, the first deviation correcting device comprises a supporting plate, a roller support, a first connecting rod, a first steering knuckle, a first telescopic rod, a swinging rod, a supporting shaft, a first roller, a second telescopic rod, a second steering knuckle, a second connecting rod, a second roller, a belt pulley and a fourth driving motor, the supporting plate is fixedly connected with the frame, the upper part of the supporting plate is fixedly connected with the supporting shaft, the left side of the supporting shaft is provided with the first connecting rod, the first connecting rod is in sliding connection with the supporting plate, the rear end of the first connecting rod is fixedly connected with the roller support, the inner side of the roller support is rotatably connected with the first roller, the first roller is in contact with the first deviation correcting disc, the front end of the first connecting rod is fixedly connected with the winding shaft, the front end of the supporting shaft is provided with the swinging rod in parallel, the left side of the swinging rod is in sliding connection with the first roller, the first telescopic rod is rotatably connected with the, the right side sliding connection of swinging arms has the telescopic link No. two, No. two telescopic links rotate with No. two knuckles and are connected, No. two knuckles rotate with No. two connecting rods and are connected, No. two connecting rods and backup pad sliding connection, No. two connecting rod rear end fixedly connected with gyro wheel supports, the inside rotation of gyro wheel support is connected with the gyro wheel No. two, the outer terminal surface radian of No. two gyro wheels is the same with the radian of rolling axle, the right-hand member fixedly connected with belt pulley of No. two gyro wheels, the backup pad is the T template, No. four driving motor of its right-hand member fixedly connected with, No. four driving motor and belt pulley are the belt drive.

Preferably, the right side fixedly connected with switch board No. one of frame, the below of switch board is provided with the supplementary generator of static, the right side of the supplementary generator of static is provided with high-voltage static generator, high-voltage static generator and the supplementary generator of static all with frame fixed connection.

Preferably, the rear of frame fixedly connected with negative-pressure air fan, negative-pressure air fan's front end fixed connection negative-pressure tank, negative-pressure tank's right flank sliding connection has the static conveyer belt, the up end of static conveyer belt is provided with the curing box.

Preferably, the inside rotation of the left end of static conveyer belt is connected with the conveyer belt pivot, the rear end of conveyer belt pivot rotates and is connected with driving motor No. one.

Preferably, the first deviation rectifying disc is rotatably connected with the winding shaft and is in sliding connection with the rack through a connecting shaft.

Preferably, the second deviation rectifying disc is rotatably connected with the winding shaft and is in sliding connection with the rack through a connecting shaft.

Preferably, the winding shaft is in sliding connection with the main driving shaft in the axial direction, and the second roller drives the winding shaft to slide in the axial direction of the main driving shaft when rotating.

Preferably, a control switch in the second control cabinet is electrically connected with the second driving motor, the third driving motor and the fourth driving motor.

Preferably, the first control cabinet is electrically connected with the high-voltage electrostatic generator, the electrostatic auxiliary generator and the curing box, and the output ends of the high-voltage electrostatic generator and the electrostatic auxiliary generator are electrically connected with the electrostatic conveying belt.

Compared with the prior art, the invention has the beneficial effects that:

1. the invention arranges the deviation rectifying devices at the two ends of the winding shaft respectively, when the melt-blown fabric on the fabric winding shaft deviates, the melt-blown fabric can drive the deviation rectifying disc at the deviating end to move axially, the deviation rectifying disc can drive the roller wheel bracket contacted with the deviation rectifying disc to extrude the roller wheel bracket when moving axially, the roller wheel bracket can drive the first connecting rod fixedly connected with the roller wheel bracket through the first connecting rod, the first connecting rod drives the first telescopic rod, the oscillating rod and the second telescopic rod to oscillate around the supporting shaft, the first telescopic rod and the oscillating rod slide relatively while oscillating, the second telescopic rod and the oscillating rod slide relatively, the second connecting rod can push the second roller wheel to move towards the winding shaft, and simultaneously extrude the winding shaft to move towards the opposite direction of the deviation of the melt-blown fabric and reset after complete deviation rectifying operation, the melt-blown fabric processing device of the melt-blown fabric can automatically rectify the deviation of the melt-blown fabric on the winding shaft, the offset can be effectively prevented when the melt-blown cloth roll is rolled.

2. According to the invention, the belt pulley and the fourth driving motor in the deviation correcting device are driven by the elastic belt, the second roller is driven by the fourth driving motor to rotate, when the belt pulley is far away from the fourth driving motor, the elastic belt can be tensioned, the rotating speed of the second roller can be increased, the friction force formed on the winding shaft by the rotation of the second roller is favorably used for quickly correcting the deviation of the meltblown fabric on the surfaces of the winding shaft and the winding shaft, and the deviation correcting action is quicker when the meltblown fabric deviates more, so that the deviation correcting action can be quickly completed.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a top view of the present invention;

FIG. 4 is a left side view of the present invention;

FIG. 5 is an enlarged view of a portion of FIG. 1 at A;

FIG. 6 is a schematic perspective view of a first deviation correcting device according to the present invention;

FIG. 7 is a schematic perspective view of a second deviation correcting device according to the present invention;

in the figure: 1. a negative pressure fan; 2. a negative pressure tank; 3. an electrostatic conveyor belt; 4. a high voltage electrostatic generator; 5. an electrostatic auxiliary generator; 6. a curing box; 7. a first control cabinet; 8. a first driving motor; 9. a conveyor belt shaft; 10. a second steering shaft; 11. a second drive motor; 12. a first steering shaft; 13. a third steering shaft; 14. a frame; 15. a second control cabinet; 16. a third driving motor; 17. a speed reducer; 18. a main drive shaft; 19. a winding shaft; 20. a first deviation rectifying disc; 21. a cloth roll shaft; 22. a second deviation rectifying disc; 23. a first deviation correcting device; 24. a second deviation correcting device; 25. a fourth steering shaft; 26. a support plate; 27. a roller bracket; 28. a first connecting rod; 29. a first knuckle; 30. a first telescopic rod; 31. a swing lever; 32. a support shaft; 33. a first roller; 34. a second telescopic rod; 35. a second knuckle; 36. a second connecting rod; 37. a second roller; 38. a belt pulley; 39. and a fourth driving motor.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.

First, a processing apparatus for a meltblown fabric according to an embodiment of the present invention will be described in detail with reference to fig. 1 to 7.

A processing device for melt-blown fabric comprises a rack 14 and a main driving shaft 18, wherein a second control cabinet 15 is fixedly connected to the left side of the rack 14, a fourth steering shaft 25 is arranged on the right side of the second control cabinet 15, the fourth steering shaft 25 is rotatably connected with the rack 14, a speed reducer 17 is arranged at the rear part of the main driving shaft 18, a third driving motor 16 is arranged on the right side of the speed reducer 17, a fabric winding shaft 21 is arranged on the left side of the main driving shaft 18, a third steering shaft 13 is arranged on the right side of the main driving shaft 18, the third steering shaft 13 is rotatably connected with the rack 14, a first steering shaft 12 is arranged on the right side of the third steering shaft 13, a second steering shaft 10 is arranged below the first steering shaft 12, a second driving motor 11 is arranged on the left side of the second steering shaft 10, and the second driving motor 11 is fixedly connected with the rack; the front end of the cloth winding shaft 21 is slidably sleeved with a first deviation rectifying disc 20, the rear end of the cloth winding shaft 21 is slidably sleeved with a second deviation rectifying disc 22, the outer side of the main driving shaft 18 is provided with a winding shaft 19, the front end of the winding shaft 19 is provided with a first deviation rectifying device 23, the rear end of the winding shaft 19 is provided with a second deviation rectifying device 24, and the first deviation rectifying device 23 and the second deviation rectifying device 24 are identical in structure, namely identical.

In order to better correct the deviation when the melt-blown fabric is wound, the first deviation correcting device 23 comprises a support plate 26, a roller bracket 27, a first connecting rod 28, a first steering knuckle 29, a first telescopic rod 30, a swinging rod 31, a support shaft 32, a first roller 33, a second telescopic rod 34, a second steering knuckle 35, a second connecting rod 36, a second roller 37, a belt pulley 38 and a fourth driving motor 39, the support plate 26 is fixedly connected with the frame 14, the middle part of an upper transverse plate of the support plate 26 is rotatably connected with the support shaft 32, the left side of the support shaft 32 is provided with the first connecting rod 28, the first connecting rod 28 is slidably inserted into the end part of an upper transverse plate of the support plate 26, the rear end of the first connecting rod 28 is fixedly connected with the roller bracket 27, the inner side of the roller bracket 27 is rotatably connected with the first roller 33, the first roller 33 is contacted with the first deviation correcting plate 20, swing arm 31 left side sliding connection has telescopic link 30 No. one, telescopic link 30 rotates through knuckle 29 and connecting rod 28 No. one to be connected, swing arm 31's right side sliding connection has telescopic link 34 No. two, telescopic link 34 rotates with knuckle 35 No. two to be connected, knuckle 35 rotates with connecting rod 36 No. two to be connected, connecting rod 36 No. two inserts with sliding in the upper portion diaphragm of locating backup pad 26, connecting rod 36 rear end fixedly connected with roller bracket No. two, roller bracket internal rotation is connected with roller 37 No. two, No. two the outer terminal surface radian of roller 37 is the same with the radian of rolling axle 19, No. two the gyro wheel is located the dish outside of rectifying a deviation and is located the top of rolling axle. The right end of the second roller 37 is fixedly connected with a belt pulley 38, the supporting plate 26 is a T-shaped plate, the right end of the supporting plate is fixedly connected with a fourth driving motor 39, and the fourth driving motor 39 and the belt pulley 38 are in belt transmission. The second roller is used for continuously rotating to push the melt-blown fabric on the winding shaft to deviate along the axial direction of the winding shaft so as to execute deviation rectifying operation.

In order to conveniently control a motor in the device, a first control cabinet 7 is fixedly connected to the right side of the frame 14, an auxiliary static generator 5 is arranged below the first control cabinet 7, a high-voltage static generator 4 is arranged on the right side of the auxiliary static generator 5, and both the high-voltage static generator 4 and the auxiliary static generator 5 are fixedly connected with the frame 14.

In one embodiment, a negative pressure fan 1 is fixedly connected to the rear of the frame 14, a negative pressure box 2 is fixedly connected to the front end of the negative pressure fan 1, an electrostatic conveyor belt 3 is slidably connected to the right side surface of the negative pressure box 2, and a solidification box 6 is arranged on the upper end surface of the electrostatic conveyor belt 3, so that the meltblown fabric can be firmly adsorbed on the surface of the electrostatic conveyor belt 3.

In order to drive the electrostatic conveyor belt 3 to rotate, the melt-blown fabric is transferred to the storage device, a conveyor belt rotating shaft 9 is rotatably connected to the inner portion of the left end of the electrostatic conveyor belt 3, and a first driving motor 8 is rotatably connected to the rear end of the conveyor belt rotating shaft 9.

In order to enable both ends of the winding shaft 19 to correct the deviation of the melt-blown fabric, a first deviation correcting disc 20 and a second deviation correcting disc 22 are respectively arranged at both ends of the winding shaft 19, the first deviation correcting disc 20 is rotatably connected with the winding shaft 19, and the first deviation correcting disc 20 is slidably connected with the rack 14 through a connecting shaft; the second deviation rectifying disc 22 is rotatably connected with the winding shaft 19, the second deviation rectifying disc 22 is slidably connected with the rack 14 through a connecting shaft, and the axial direction of the second roller is perpendicular to the axial direction of the winding shaft.

In order to enable the correction process to be smoothly carried out, the winding shaft 19 is in sliding connection in the axial direction of the main driving shaft 18, and the second roller 37 drives the winding shaft 19 to slide in the axial direction of the main driving shaft 18 when rotating.

In order to control the motors in the device in a centralized way and improve the management efficiency, a control switch inside the second control cabinet 15 is electrically connected with the second driving motor 11, the third driving motor 16 and the fourth driving motor 39.

In order to enable the freshly formed melt-blown fabric to be better adsorbed with the electrostatic conveyor belt 3, the first control cabinet 7 is electrically connected with the high-voltage electrostatic generator 4, the electrostatic auxiliary generator 5 and the curing box 6, and the output ends of the high-voltage electrostatic generator 4 and the electrostatic auxiliary generator 5 are electrically connected with the electrostatic conveyor belt 3.

The working principle and the process are as follows: the right side of the invention is provided with a melt-blowing device, a melt-blowing head sprays melted filaments on the surface of an electrostatic conveyor belt 3 on the right side of a negative pressure box 2, under the suction force of the negative pressure box 2, the melt-blown cloth which is just formed is adsorbed on the surface of the electrostatic conveyor belt 3 and conveyed into a curing box 6 for curing, and then the melt-blown cloth is conveyed to a cloth reel 21 along a winding shaft 19 in a counterclockwise way after respectively bypassing a first steering shaft 12, a second steering shaft 10, a third steering shaft 13 and a fourth steering shaft 25 on the conveying left side; when the meltblown fabric is rolled on the fabric rolling shaft 21 in a biased mode, the meltblown fabric can drive the first deviation rectifying disc 20 or the second deviation rectifying disc 22 at one biased end to move in the axial direction, the first roller 33 which is driven by the first deviation rectifying disc 20 to contact with the first deviation rectifying disc 20 when the first deviation rectifying disc 20 moves in the axial direction extrudes the roller support 27, the roller support 27 can drive the first connecting rod 28 fixedly connected with the roller support 27 to swing around the supporting shaft 32 through the first connecting rod 28, the first connecting rod 28 drives the first telescopic rod 30, the swinging rod 31 and the second telescopic rod 34 to swing around the supporting shaft 32, the first telescopic rod 30 and the swinging rod 31 slide relatively while swinging, the second telescopic rod 34 and the swinging rod 31 slide relatively, the second connecting rod 36 can move towards the rolling shaft 19, the second roller 37 can rotate under the driving of the fourth driving motor 39, when the belt disc 38 is far away from the fourth driving motor 39, the elastic belt can be tensioned, the rotating speed of the second roller 37 can be increased, and the meltblown fabric on the surfaces of the rolling shaft 19 and the winding shaft 19 can be favorably corrected And the melt-blown fabric is driven to move along the axial direction to correct the deviation by continuously rotating the melt-blown fabric. Since the second deviation rectifying disc 22 is not deviated, the second deviation rectifying device 24 at the other end of the take-up shaft 19 does not start the deviation rectifying operation.

For example, establish through the elastic belt cover between No. four driving motor's the output shaft and the belt pulley and be connected, the perforation has been seted up respectively at the relative both ends of upper portion diaphragm, a connecting rod wears to locate two perforation respectively with No. two connecting rods, every fenestrate internal perisporium is provided with the elasticity and resumes the layer, every fenestrate perisporium epirelief is equipped with the spring, two springs overlap respectively and locate on a connecting rod and No. two connecting rods, when a connecting rod and No. two connecting rods do the small-angle rotation, elasticity resumes layer and spring and is used for providing and dodges the function, after No. two connecting rods rotate, it can tighten elastic belt, with the rotation dynamics that improves No. two gyro wheels. After the second roller is released, the elastic recovery layer and the spring are used for assisting the first connecting rod and the second connecting rod to recover to the original positions.

While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.