CN112027748A - Coiling device for automatic non-woven fabric reel changing - Google Patents

Abstract

The invention discloses a non-woven fabric automatic roll changing coiling device, which comprises a rack and a reel, wherein a cloth guide roller and a driving shaft are arranged on the rack, a first friction wheel disc is arranged at two ends of the driving shaft, a second friction wheel disc matched with the first friction wheel disc is arranged on the reel, a reel feeding position and a reel discharging position are arranged in the rack, a fixing bracket for bearing a coiling reel is fixed on the rack, and the non-load reel automatic roll changing coiling device also comprises a no-load reel transfer mechanism, a coiling reel transfer mechanism and a roll changing cutting mechanism. The non-woven fabric coiling device clamps the non-loaded reel through the non-loaded reel transferring mechanism, the reel changing and cutting mechanism automatically operates to cut off the non-woven fabric, the non-woven fabric is wound on the reel with no-load material on the reel, the coiling reel transferring mechanism moves to convey the coiled reel to the fixing bracket, the non-woven fabric can be automatically coiled, cut and changed, the automation degree is high, the non-woven fabric coiling efficiency can be obviously improved, the manual labor burden is reduced, and the safety is improved.

Description

Coiling device for automatic non-woven fabric reel changing

Technical Field

The invention relates to the field of non-woven fabric production equipment, in particular to a coiling device for automatically changing rolls of non-woven fabric.

Background

The non-woven fabric is a fabric formed without spinning and weaving, and is formed by only directionally or randomly arranging textile short fibers or filaments to form a fiber web structure, and then reinforcing the fiber web structure by adopting mechanical, thermal bonding or chemical methods and the like. The non-woven fabrics passes through the coiling of coiling mechanism, and the coiling is cut off to certain thickness thick, the winding up roller of more renewing, and the spool of current non-woven fabrics coiling mechanism is changed process, lapping unloading process and all needs the manual work to go on, and degree of automation is low, and the security is low, and operating efficiency is low.

Disclosure of Invention

The invention aims to solve the problems and designs a coiling device for automatically changing the non-woven fabric.

The technical scheme of the invention is that the winding device for automatically changing the roll of the non-woven fabric comprises a rack and a scroll, wherein a fabric guide roller and a driving shaft are installed on the rack, first friction wheel discs are installed at two ends of the driving shaft, a second friction wheel disc matched with the first friction wheel disc is installed on the scroll, a material loading position and a material unloading position of the scroll are arranged in the rack, and a fixing bracket for bearing the winding scroll is fixed on the rack, and the winding device further comprises:

the empty reel transfer mechanism clamps an empty reel at the loading position of the reel and conveys the empty reel to the unloading position of the reel;

the coiling reel transfer mechanism lifts the idle reel conveyed by the idle reel transfer mechanism at the reel feeding position and conveys the reel to the fixed bracket after the reel is coiled;

and the reel changing and cutting mechanism is matched with the empty reel at the material loading position of the reel after the reel is coiled, and is used for cutting the non-woven fabric.

Preferably, the number of the no-load reel transfer mechanisms is two, and the two no-load reel transfer mechanisms synchronously act and are respectively arranged at two ends of the reel; the no-load reel transfer mechanism comprises a rotary sleeve which is coaxially arranged with a driving shaft, the rotary sleeve is arranged on the driving shaft through a bearing, the rotary sleeve is positioned outside a first friction wheel disc, a rotary support is fixed on the rotary sleeve, a first electric cylinder and two fixed supporting wheels are arranged on the rotary support, a first rotating shaft is arranged on the rotary support, a first gear and a movable supporting wheel frame are arranged on the first rotating shaft, a movable supporting wheel is arranged on the movable supporting wheel frame, the movable supporting wheel is matched with the two fixed supporting wheels to clamp or dismount the reel, a connecting frame is arranged at the telescopic end of the first electric cylinder, a straight rack which is meshed and connected with the first gear is arranged on the connecting frame, an electric slip ring is coaxially arranged on the driving shaft, an electric slip ring fixing end is arranged on a rack, the first electric cylinder is electrically connected with the electric slip ring, a gear ring is coaxially arranged on the rotary sleeve, a second rotating shaft is, the second gear is in meshed connection with the gear ring.

Preferably, the no-load reel transfer mechanism further comprises a first servo motor, a first driving synchronizing wheel is mounted at the output end of the first servo motor, a first driven synchronizing wheel is mounted on the second rotating shaft, and the first driving synchronizing wheel is in transmission connection with the first driven synchronizing wheel through a first synchronizing belt.

Preferably, still include gear motor, the drive pulley is installed to the gear motor output, installs driven pulley on the drive shaft, is connected through the drive belt transmission between drive pulley and the driven pulley.

Preferably, the lapping reel transfer mechanism comprises two electric sliding tables which are fixed at the bottom of the rack and act synchronously, a second electric cylinder is installed on each electric sliding table, and a movable bracket is installed at the telescopic end of the second electric cylinder.

Preferably, one of them install first detection frame on the slide of electronic slip table, install first proximity switch on the first detection frame, first proximity switch is located spool unloading position and fixed carrier within a definite time, and first proximity switch detects spool lapping thickness.

Preferably, the reel changing and cutting mechanism comprises a third rotating shaft installed on the rack, an L-shaped frame is installed on the third rotating shaft, a hollow roller is installed at the other end of the L-shaped frame, a cavity is formed in the hollow roller, a first opening and a second opening communicated with the cavity are formed in the hollow roller along the axis direction of the hollow roller, the first opening and the second opening are arranged oppositely, a protruding piece matched with the reel is arranged on the first opening in a sliding clamping mode, one end of the protruding piece can stretch out of the first opening, a spring fixing plate is fixed in the cavity, a pressure spring used for pushing one end of the protruding piece out of the first opening is installed between the spring fixing plate and the protruding piece, two fixing rods are fixed in the cavity, a connecting rod is installed on the fixing rods in a rotating mode, a cutter is hinged between the two connecting rods, and.

Preferably, the reel-changing cutting mechanism further comprises a second servo motor and a second servo motor, a second driving synchronous wheel is installed at the output end of the second servo motor, a second driven synchronous wheel is installed on a third rotating shaft, and the second driving synchronous wheel is in transmission connection with the second driven synchronous wheel through a second synchronous belt.

Preferably, the second detection frame is mounted on the L-shaped frame, the second detection frame is provided with a second proximity switch, and the second proximity switch detects whether the non-woven fabric is cut off.

The invention has the beneficial effects that: the non-load reel is clamped by the non-load reel transfer mechanism, the driving shaft drives the second friction wheel disc through the first friction wheel disc, the reel rotates to enable the reel to wind non-woven fabrics, when the thickness of the non-woven fabrics wound on the reel reaches a preset thickness needing to be cut off, the reel changing and cutting mechanism automatically operates to cut off the non-woven fabrics, the non-woven fabrics are wound on the reel with no load on the material loading position of the reel, the coiling reel transfer mechanism moves to convey the coiled reel to the fixed bracket, the no-load reel is conveyed to the material unloading position of the reel by the no-load reel transfer mechanism, in the moving process, the first friction wheel disc and the second friction wheel disc are in friction contact all the time, the reel continuously rotates to wind the non-woven fabrics, and; the winding device can automatically wind, cut and change the non-woven fabric, has high automation degree, can obviously improve the winding efficiency of the non-woven fabric, reduces the manual labor burden and improves the safety.

Drawings

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

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

FIG. 3 is another state diagram of the present invention;

FIG. 4 is a cross-sectional view of a hollow roll;

FIG. 5 is a partial schematic view I of the present invention during roll change severing;

FIG. 6 is a second partial schematic view of the present invention during roll change severing;

FIG. 7 is a cross-sectional view of a hollow roll of the present invention;

FIG. 8 is an enlarged view of a portion of FIG. 1 at A;

in the figure, 1, a frame; 2. a reel; 3. a cloth guide roller; 4. a drive shaft; 5. a first friction sheave; 6. a second friction disk; 7. feeding materials on a reel; 8. feeding the reel; 9. a fixing bracket; 10. non-woven fabrics; 11. a rotating sleeve; 12. a bearing; 13. rotating the bracket; 14. a first electric cylinder; 15. fixing a riding wheel; 16. a first rotating shaft; 17. a first gear; 18. a movable riding wheel frame; 19. a movable riding wheel; 20. a connecting frame; 21. straight rack; 22. an electrical slip ring; 23. a ring gear; 24. a second rotating shaft; 25. a second gear; 26. a first servo motor; 27. a first driving synchronizing wheel; 28. a first driven synchronizing wheel; 29. a first synchronization belt; 30. a reduction motor; 31. a drive pulley; 32. a driven pulley; 33. a drive belt; 34. an electric sliding table; 35. a second electric cylinder; 36. a movable bracket; 37. a first detection frame; 38. a first proximity switch; 39. a third rotating shaft; 40. an L-shaped frame; 41. a hollow roll; 42. a cavity; 43. a first opening; 44. a second opening; 45. a boss member; 46. a spring fixing plate; 47. a pressure spring; 48. fixing the rod; 49. a connecting rod; 50. a cutter; 51. a push rod; 52. a second servo motor; 53. a second driving synchronizing wheel; 54. a second driven synchronizing wheel; 55. a second synchronous belt; 56. a second detection frame; 57. a second proximity switch.

Detailed Description

The invention is described in detail below with reference to the accompanying drawings, and as shown in fig. 1-8, a non-woven fabric automatic roll changing coiling device comprises a frame 1 and a reel 2, a fabric guide roller 3 and a driving shaft 4 are installed on the frame 1, first friction wheel discs 5 are installed at two ends of the driving shaft 4, a second friction wheel disc 6 matched with the first friction wheel discs 5 is installed on the reel 2, a reel loading position 7 and a reel unloading position 8 are arranged in the frame 1, and a fixing bracket 9 for bearing the coiling reel 2 is fixed on the frame 1, and the non-woven fabric automatic roll changing coiling device further comprises:

an unloaded spool transfer mechanism that clamps the unloaded spool 2 at a spool loading position 7 and delivers the unloaded spool 2 to a spool unloading position 8;

a coiling reel transfer mechanism for lifting the idle reel 2 conveyed by the idle reel transfer mechanism at the reel feeding position 8 and conveying the reel 2 to a fixed bracket 9 after coiling;

and the roll changing and cutting mechanism is matched with the empty reel 2 at the position of the reel loading position 7 after the reel 2 is coiled, and cuts the non-woven fabric 10.

In order to realize the function of transferring the unloaded scroll 2, two unloaded scroll transferring mechanisms are arranged, as shown in fig. 1-3, and the two unloaded scroll transferring mechanisms act synchronously and are respectively arranged at the two ends of the scroll 2; the no-load reel transfer mechanism comprises a rotary sleeve 11 which is coaxial with a driving shaft 4, the rotary sleeve 11 is arranged on the driving shaft 4 through a bearing 12, the rotary sleeve 11 is positioned at the outer side of a first friction wheel disc 5, a rotary support 13 is fixed on the rotary sleeve 11, a first electric cylinder 14 and two fixed supporting wheels 15 are arranged on the rotary support 13, a first rotating shaft 16 is arranged on the rotary support 13, a first gear 17 and a movable supporting wheel 19 frame 18 are arranged on the first rotating shaft 16, a movable supporting wheel 19 is arranged on the movable supporting wheel 19 frame 18, the movable supporting wheel 19 is matched with the two fixed supporting wheels 15 to clamp or dismount a reel 2, a connecting frame 20 is arranged at the telescopic end of the first electric cylinder 14, a straight rack 21 which is meshed with the first gear 17 is arranged on the connecting frame 20, an electric slip ring 22 is coaxially arranged on the driving shaft 4, the electric slip ring 22 is arranged on a machine frame 1, and the fixed end of the first electric cylinder 14 is electrically, the rotating sleeve 11 is coaxially provided with a gear ring 23, the rack 1 is provided with a second rotating shaft 24, the second rotating shaft 24 is provided with a second gear 25, and the second gear 25 is meshed with the gear ring 23. The electrical slip ring 22 is provided to allow the first electric cylinder 14 to receive an electric current when rotating.

In order to drive the second rotating shaft 24 to rotate, as shown in fig. 2, a first servo motor 26 is further provided, a first driving synchronous wheel 27 is installed at an output end of the first servo motor 26, a first driven synchronous wheel 28 is installed on the second rotating shaft 24, and the first driving synchronous wheel 27 is in transmission connection with the first driven synchronous wheel 28 through a first synchronous belt 29. Two first servo motors 26 are electrically connected with a controller, the controller is electrically connected with a first electric cylinder through an electric slip ring, the controller is electrically connected with the other electric elements of the device, and the controller controls the two first servo motors 26 to move synchronously so as to transfer the scroll 2.

In order to drive the driving shaft 4 to rotate, as shown in fig. 2, a speed reducing motor 30 is further provided, a driving pulley 31 is mounted at an output end of the speed reducing motor 30, a driven pulley 32 is mounted on the driving shaft 4, and the driving pulley 31 and the driven pulley 32 are in transmission connection through a transmission belt 33.

In order to realize the blanking of the coiling shaft 2 and the supporting of the coiling shaft 2 when coiling the non-woven fabric 10, a coiling shaft transferring mechanism is provided, as shown in fig. 1-3, the coiling shaft transferring mechanism comprises two electric sliding tables 34 which are fixed at the bottom of the frame 1 and act synchronously, a second electric cylinder 35 is arranged on the electric sliding tables 34, and a movable bracket 36 is arranged at the telescopic end of the second electric cylinder 35. The movable brackets 36 are spaced apart by a distance smaller than the distance between the two fixed brackets 9 so that the take-up reel 2 can be fed onto the fixed brackets 9.

In order to detect the thickness of the winding shaft 2 and know the time for cutting and changing the non-woven fabric 10, as shown in fig. 1-3, a first detection frame 37 is installed on the sliding seat of one of the electric sliding tables 34, a first proximity switch 38 is installed on the first detection frame 37, the first proximity switch 38 is located between the winding shaft feeding position 8 and the fixing bracket 9, and the first proximity switch 38 detects the winding thickness of the winding shaft 2. The first proximity switch 38 is a capacitive proximity sensor, a photoelectric proximity switch, an ultrasonic proximity switch or a microwave proximity switch, and when the thickness of the nonwoven fabric 10 wound by the reel 2 reaches a certain value, the nonwoven fabric enters the detection range of the first proximity switch 38, the first proximity switch 38 can automatically detect, and after a signal is sent to the controller, the nonwoven fabric 10 can be cut and changed.

In order to realize the automatic cutting of the non-woven fabric 10, a roll-changing cutting mechanism is provided, as shown in fig. 1-3, the roll-changing cutting mechanism comprises a third rotating shaft 39 installed on the frame 1, an L-shaped frame 40 is installed on the third rotating shaft 39, a hollow roller 41 is installed at the other end of the L-shaped frame 40, a cavity 42 is arranged in the hollow roller 41, a first opening 43 and a second opening 44 communicated with the cavity 42 are opened on the hollow roller 41 along the axial direction, the first opening 43 and the second opening 44 are oppositely arranged, a bulge 45 matched with the reel 2 is arranged at the first opening 43 in a sliding clamping manner, one end of the bulge 45 can extend out of the first opening 43, a spring fixing plate 46 is fixed in the cavity 42, a pressure spring 47 used for pushing one end of the bulge 45 out of the first opening 43 is installed between the spring fixing plate 46 and the bulge 45, two fixing rods 48 are fixed in the cavity 42, and a connecting rod 49 is rotatably installed on, a cutter 50 is hinged between the two connecting rods 49, and a push rod 51 is hinged between the connecting rod 49 and the bulge piece 45. Spring fixed plate 46 and pressure spring 47's quantity sets up two, under the natural state, under the pressure effect of pressure spring 47, first opening 43 is stretched out and is rectangular arc protruding form to protruding 45 one end, thereby protruding 45 other end size is greater than that first opening 43 and can't stretch out and is pressed at cavity 42 inner wall, cutter 50 is located second opening 44 and does not stretch out hollow roller 41, avoid mistake touching non-woven fabrics 10, can the atress rotatory when hollow roller 41 and spool 2 frictional contact, can be impressed cavity 42 when protruding 45 contacts with spool 2, and then release cutter 50, cut non-woven fabrics 10, protruding 45 breaks away from behind the spool 2, under pressure spring 47 elastic action, cutter 50 withdraws second opening 44 automatically, can not contact spool 2.

In order to drive the third rotating shaft 39 to rotate, as shown in fig. 2, the reel-changing and cutting mechanism further includes a second servo motor 52, a second driving synchronizing wheel 53 is installed at an output end of the second servo motor 52, a second driven synchronizing wheel 54 is installed on the third rotating shaft 39, and the second driving synchronizing wheel 53 is in transmission connection with the second driven synchronizing wheel 54 through a second synchronous belt 55.

In order to detect whether the nonwoven fabric 10 is cut, as shown in fig. 1, a second detecting frame 56 is installed on the L-shaped frame 40, a second proximity switch 57 is installed on the second detecting frame 56, and the second proximity switch 57 detects whether the nonwoven fabric 10 is cut. The second proximity switch 57 may be a photoelectric proximity switch, an ultrasonic proximity switch, or a microwave proximity switch.

The working principle of the embodiment is as follows: initially, as shown in fig. 3, the empty-load reel transferring mechanism is located at the reel loading position 7 to clamp the empty-load reel 2, the movable bracket 36 is located at the reel unloading position 8 to lift the other reel 2, the speed reduction motor 30 drives the driving shaft 4 to rotate clockwise, the driving shaft 4 drives the second friction wheel disc 6 and the reel 2 to rotate counterclockwise through the first friction wheel disc 5, the reel 2 of the reel unloading position 8 winds the non-woven fabric 10, the thickness of the non-woven fabric 10 wound on the reel 2 is continuously increased and gradually approaches the first proximity switch 38, and when the first proximity switch 38 detects a signal, the non-woven fabric 10 wound on the reel 2 reaches a preset thickness to be cut off;

then the roll-changing cutting mechanism works to cut the non-woven fabric 10, and the non-woven fabric 10 is wound on the reel 2 with no load at the reel loading position 7, specifically, the second servo motor 52 works to output a certain angular displacement, the second driving synchronous wheel 53 and the second synchronous belt 55 drive the second driven synchronous wheel 54 and the third rotating shaft 39 to rotate, as shown in fig. 5-6, the third rotating shaft 39 drives the L-shaped frame 40 to rotate upwards, so that the hollow roller 41 is abutted against the reel 2 at the reel loading position 7, the hollow roller 41 supports and presses the non-woven fabric 10 between the hollow roller 41 and the reel 2 below the non-woven fabric 10, the non-woven fabric 10 is further tensioned in the supporting process, the hollow roller 41 rotates under the action of friction force, when the protruding piece 45 is contacted with the reel 2, the protruding piece 45 is pressed into the cavity 42, the protruding piece 45 drives the connecting rod 49 to move through the push rod 51, the connecting rod 49 drives the cutter 50 to extend out, the cutter 50 is contacted with the tensioned non-woven fabric 10 after extending out of the second opening 44, the length of the cutter 50 is larger than the width of the non-woven fabric 10, the cutter 50 can be fully contacted with the non-woven fabric 10 to cut the non-woven fabric 10 in an arc ascending mode, the second proximity switch 57 is close to the non-woven fabric 10 at the moment, when the non-woven fabric 10 is cut off, the second proximity switch 57 cannot detect an obstacle, then the second servo motor 52 reversely outputs a certain angular displacement, the roll changing and cutting mechanism is restored to the original position, and the position is set aside for the subsequent movement of the no-load reel transfer;

then, the coiling reel transfer mechanism moves to convey the coiled reel 2 to the fixing bracket 9, specifically, two second electric cylinders 35 synchronously extend out to enable the lowest position of the coiled reel 2 to be higher than the fixing bracket 9, then two electric sliding tables 34 synchronously work to convey the coiled reel 2 to the position right above the fixing bracket 9, then the second electric cylinders 35 synchronously contract to enable the coiled reel 2 to descend to the fixing bracket 9, the coiled reel 2 is lifted by the fixing bracket 9, and a worker can transfer the coiled reel 2 away through a lifting device;

then the two no-load reel transfer mechanisms synchronously act to convey the no-load reel 2 to the reel discharging position 8, specifically, as shown in fig. 1, two first servo motors 26 synchronously operate to output a certain angular displacement, the first driven synchronizing wheel 28, the second rotating shaft 24 and the second gear 25 are driven to rotate by the first driving synchronizing wheel 27 and the first synchronizing belt 29, the second gear 25 drives the gear ring 23, the rotating sleeve 11 and the rotating bracket 13 to rotate anticlockwise to convey the reel 2 at the reel charging position 7 to the reel discharging position 8, in the moving process, the first friction wheel disc 5 and the second friction wheel disc 6 are always in friction contact, and the reel 2 continuously rotates to wind the non-woven fabric 10;

then the coiling reel transfer mechanism moves to recover the original position, the idle reel 2 is lifted by the movable riding wheel 19, after the second proximity switch 57 detects that the reel 2 is in place, the telescopic ends of the two first electric cylinders 14 synchronously contract, the straight rack 21 is driven to ascend through the connecting frame 20, the straight rack 21 drives the first gear 17 to rotate, further the movable riding wheel 19 frame 18 is driven to rotate downwards, the movable riding wheel 19 does not support the reel 2 any more, and therefore the position is kept away, and the idle reel transfer mechanism can reset;

then, two first servo motors 26 synchronously operate again to output certain angular displacement, the no-load reel transfer mechanism resets, at the moment, the movable riding wheels 19 and the fixed riding wheels 15 are located at the reel loading position 7, the two fixed riding wheels 15 are located below the movable riding wheels 19, the next reel 2 can be placed on the two fixed riding wheels 15, the telescopic ends of the two first electric cylinders 14 are controlled to synchronously extend out, the movable riding wheel 19 frame 18 is driven to rotate downwards, the movable riding wheels 19 press the reel 2, and the movable riding wheels 19 and the fixed riding wheels 15 clamp the reel 2 together; the above-described circulation is performed to roll the nonwoven fabric 10.

The technical solutions described above only represent the preferred technical solutions of the present invention, and some possible modifications to some parts of the technical solutions by those skilled in the art all represent the principles of the present invention, and fall within the protection scope of the present invention.

Claims (9)

1. The utility model provides an automatic coiling mechanism who changes a roll of non-woven fabrics, includes frame (1) and spool (2), install fabric guide roller (3) and drive shaft (4) on frame (1), its characterized in that, first friction rim plate (5) are installed at drive shaft (4) both ends, install on spool (2) with first friction rim plate (5) complex second friction rim plate (6), be equipped with material level (7) and spool material level (8) down on the spool in frame (1), be fixed with on frame (1) and be used for bearing mounting bracket (9) of lapping spool (2), still include:

an empty reel transfer mechanism which clamps the empty reel (2) at a reel loading position (7) and conveys the empty reel (2) to a reel unloading position (8);

a coiling reel transfer mechanism, which lifts the empty reel (2) conveyed by the empty reel transfer mechanism at a reel unloading position (8) and conveys the reel (2) to a fixed bracket (9) after the reel is coiled;

and the roll changing and cutting mechanism is used for matching the reel (2) which is empty at the reel loading position (7) after the reel (2) is coiled, and cutting the non-woven fabric (10).

2. The non-woven fabric automatic roll-changing coiling device according to claim 1, characterized in that the number of the no-load reel shaft transfer mechanisms is two, and the two no-load reel shaft transfer mechanisms act synchronously and are respectively arranged at two ends of the reel shaft (2); the no-load reel transfer mechanism comprises a rotating sleeve (11) which is coaxial with a driving shaft (4), the rotating sleeve (11) is installed on the driving shaft (4) through a bearing (12), the rotating sleeve (11) is positioned on the outer side of a first friction wheel disc (5), a rotating support (13) is fixed on the rotating sleeve (11), a first electric cylinder (14) and two fixed supporting wheels (15) are installed on the rotating support (13), a first rotating shaft (16) is installed on the rotating support (13), a first gear (17) and a movable supporting wheel (19) frame (18) are installed on the first rotating shaft (16), a movable supporting wheel (19) is installed on the movable supporting wheel (19) frame (18), the movable supporting wheel (19) is matched with the two fixed supporting wheels (15) to clamp or dismount the reel (2), a connecting frame (20) is installed at the telescopic end of the first electric cylinder (14), a straight rack (21) which is meshed with the first gear (17) is installed on the connecting frame (20), the electric slip ring (22) is coaxially mounted on the driving shaft (4), the fixed end of the electric slip ring (22) is mounted on the rack (1), the first electric cylinder (14) is electrically connected with the electric slip ring (22), the gear ring (23) is coaxially mounted on the rotary sleeve (11), the second rotating shaft (24) is mounted on the rack (1), the second gear (25) is mounted on the second rotating shaft (24), and the second gear (25) is meshed with the gear ring (23) and is connected with the gear ring.

3. The non-woven fabric automatic roll-changing and rolling device according to claim 2, wherein the no-load reel transferring mechanism further comprises a first servo motor (26), a first driving synchronous wheel (27) is mounted at an output end of the first servo motor (26), a first driven synchronous wheel (28) is mounted on the second rotating shaft (24), and the first driving synchronous wheel (27) is in transmission connection with the first driven synchronous wheel (28) through a first synchronous belt (29).

4. The non-woven fabric automatic roll-changing and rolling device according to claim 1, further comprising a speed reducing motor (30), wherein a driving pulley (31) is installed at an output end of the speed reducing motor (30), a driven pulley (32) is installed on the driving shaft (4), and the driving pulley (31) is in transmission connection with the driven pulley (32) through a transmission belt (33).

5. The non-woven fabric automatic roll changing and rolling device according to claim 1, wherein the roll forming reel shaft transferring mechanism comprises two electric sliding tables (34) which are fixed at the bottom of the rack (1) and act synchronously, a second electric cylinder (35) is installed on each electric sliding table (34), and a movable bracket (36) is installed at the telescopic end of each second electric cylinder (35).

6. The non-woven fabric automatic roll changing and rolling device according to claim 5, wherein a first detection frame (37) is installed on a sliding seat of one of the electric sliding tables (34), a first proximity switch (38) is installed on the first detection frame (37), the first proximity switch (38) is located between the reel feeding position (8) and the fixing bracket (9), and the first proximity switch (38) detects the rolling thickness of the reel (2).

7. The non-woven fabric automatic roll-changing coiling device according to claim 1, characterized in that the roll-changing cutting mechanism comprises a third rotating shaft (39) arranged on the frame (1), an L-shaped frame (40) is arranged on the third rotating shaft (39), a hollow roller (41) is arranged at the other end of the L-shaped frame (40), a cavity (42) is arranged in the hollow roller (41), a first opening (43) and a second opening (44) which are communicated with the cavity (42) are arranged on the hollow roller (41) along the axial direction of the hollow roller, the first opening (43) and the second opening (44) are oppositely arranged, a bulge piece (45) which is matched with the reel (2) is arranged at the first opening (43) in a sliding clamping manner, one end of the bulge piece (45) can extend out of the first opening (43), a spring fixing plate (46) is fixed in the cavity (42), a pressure spring (47) which is used for pushing one end of the bulge piece (45) out of the first opening (43) is arranged between the spring fixing plate (46) and the bulge piece (45), two fixing rods (48) are fixed in the cavity (42), connecting rods (49) are rotatably mounted on the fixing rods (48), a cutter (50) is hinged between the two connecting rods (49), and a push rod (51) is hinged between the connecting rod (49) and the protruding piece (45).

8. The non-woven fabric automatic roll-changing and roll-cutting device according to claim 7, wherein the roll-changing and roll-cutting mechanism further comprises a second servo motor (52), a second driving synchronizing wheel (53) is mounted at an output end of the second servo motor (52), a second driven synchronizing wheel (54) is mounted on the third rotating shaft (39), and the second driving synchronizing wheel (53) is in transmission connection with the second driven synchronizing wheel (54) through a second synchronous belt (55).

9. The roll forming apparatus for automatically rewinding a nonwoven fabric according to claim 7, wherein a second detecting frame (56) is mounted on the L-shaped frame (40), a second proximity switch (57) is mounted on the second detecting frame (56), and the second proximity switch (57) detects whether the nonwoven fabric (10) is cut off.

Images