CN115674318A

CN115674318A - Processing device for preventing rubber band waistband of paper diaper from retracting

Info

Publication number: CN115674318A
Application number: CN202211396676.8A
Authority: CN
Inventors: 林云光; 林建秋; 林紫英
Original assignee: Xiangyang Yingle Sanitary Products Co ltd
Current assignee: Xiangyang Yingle Sanitary Products Co ltd
Priority date: 2022-11-09
Filing date: 2022-11-09
Publication date: 2023-02-03

Abstract

The invention relates to the technical field of paper diaper processing, and discloses a processing device for preventing a rubber band waistband of a paper diaper from retracting, which is characterized in that: including frame, setting be in lower floor's non-woven fabrics feed roll, upper non-woven fabrics feed roll, rubber band feed roll, cutting member in the frame, cutting member is including cutting motor, actuating lever, cam, cutting off the strip, the cutting motor is fixed to be set up in the frame, the drive end of cutting motor with actuating lever fixed connection, cam fixed connection is in on the actuating lever, cutting motor drive the actuating lever drives the cam rotates, the protruding portion of cam radially is provided with cutting off the strip, still be provided with feed supplement mechanism in the frame. According to the rubber band waistband, the cutting motor drives the driving rod to rotate, the driving cam of the driving rod drives the cutting strip to cut the rubber band into a section, and the upper layer and the lower layer of the rubber band are made of non-woven fabrics.

Description

Processing device for preventing rubber band waistband of paper diaper from retracting

Technical Field

The invention relates to the technical field of paper diapers, in particular to a processing device for preventing a rubber band waistband of a paper diaper from retracting.

Background

With the continuous improvement of the production process, the paper diaper has been improved from the single function of initially preventing leakage and absorbing urine to the functions of preventing leakage, ventilating, absorbing urine, resisting bacteria, increasing the functions of a telescopic elastic waistline, three-dimensional leakage-proof partition edges and the like. The novel tea paper diaper is added with the functions of diminishing inflammation, inhibiting bacteria and removing peculiar smell on the basis of the traditional paper diaper.

The invention discloses a decompression waistline of a paper diaper and a manufacturing process thereof, which are disclosed by Chinese patent with application number CN111973346A, and the decompression waistline comprises an elastic hot melt adhesive layer, wherein the elastic hot melt adhesive layer is in a strip structure, a first non-woven fabric layer and a second non-woven fabric layer are respectively arranged on the front side and the back side of the elastic hot melt adhesive layer, and the first non-woven fabric layer, the elastic hot melt adhesive layer and the second non-woven fabric layer are sequentially and tightly attached in a surface-to-surface contact mode.

The invention discloses a device and a method for applying a transverse rubber band type elastic waistline of a paper diaper, which are disclosed by a Chinese patent with an authorization publication number of CN102113937B, and relates to a device and a method for applying a transverse rubber band type elastic waistline of a paper diaper, which are simple in manufacturing link of an elastic material, good in elasticity of the manufactured elastic material, low in cost and high in online manufacturing efficiency. The advantages are that: firstly, the manufacturing link of the elastic material is simple; secondly, the elastic material has good elasticity and low cost; thirdly, the online manufacturing efficiency is high; fourthly, the structure is reasonable, the operation is reliable, and the faults are few; fifthly, processing products with various sizes

However, in the prior art, when the rubber bands in the rubber band waistband of the paper diaper are all a complete whole rubber band, the waistband can be completely retracted, the retraction force is large, but when the retracted waistband meets the range of the using waistline by using a long rubber band, the nonwoven fabric is thick and solid due to the large retraction of the rubber band, the load on the fragile skin of the baby is too large, and meanwhile, after one end of the waistband is disconnected, the whole waistband can be completely retracted, so that the waistband is tightened, and the comfort level of the baby in using the paper diaper is affected.

Disclosure of Invention

The invention aims to provide a processing device for preventing a rubber band waistband of a paper diaper from retracting, and solves the problem that the rubber band waistband retracts greatly.

The technical purpose of the invention is realized by the following technical scheme: the utility model provides a processingequipment that panty-shape diapers prevent that rubber band waistband contracts back which characterized in that: including frame, setting be in lower floor's non-woven fabrics feed roll, upper non-woven fabrics feed roll, rubber band feed roll, cutting member in the frame, cutting member is including cutting motor, actuating lever, cam, cutting off the strip, the cutting motor is fixed to be set up in the frame, the drive end of cutting motor with actuating lever fixed connection, cam fixed connection is in on the actuating lever, cutting motor drive the actuating lever drives the cam rotates, the protruding portion of cam radially is provided with cutting off the strip, still be provided with feed supplement mechanism in the frame.

The invention is further provided with: feed supplement mechanism includes feed supplement roller, feed supplement motor, goes up the cutter, lower cutter, control frame, control piece, the control frame can dismantle the setting and be in the frame, the feed supplement roller rotates to be connected in the frame, the drive end of feed supplement motor with feed supplement roller fixed connection, go up the cutter with the equal sliding connection of lower cutter is in on the control frame, the control piece sets up on the control frame, the control piece drive go up the cutter with lower cutter is close to each other or keeps away from.

The invention is further configured as follows: the control piece includes control lever, adjustable ring, dwang, swivel becket, regulation pole, control motor sets up on the control frame, control motor drive the control lever rotates, the control lever rotates to be connected on the control frame, the adjustable ring radially sets up on the control lever, the radial swing joint of swivel becket is in the control lever below, the jack has radially been seted up in running through to the lower extreme of control lever, set up the through hole coaxial with the jack on the swivel becket, the radial activity of dwang is coaxial pegs graft the jack with in the through hole, the both ends of adjusting the pole respectively with swivel becket, adjustable ring are articulated mutually.

The invention is further provided with: the upper cutter support and the lower cutter support are respectively perpendicular to the upper cutter support and the lower cutter support, and the upper cutter support and the lower cutter support are movably clamped in the rotating ring relatively.

The invention is further provided with: still be provided with the locating part on the dwang, the locating part includes gag lever post, spacing dish, spacing seat is fixed to be set up the top of control frame, be provided with the external screw thread on the gag lever post, be provided with the internal thread on the spacing seat, gag lever post threaded connection be in on the spacing seat, spacing dish fixed connection be in the lower extreme of gag lever post, spacing dish activity joint in the regulating ring, the last axial of control lever is provided with spacing, the spacing groove has been seted up in the regulating ring, the regulating ring passes through the spacing groove with spacing cooperation sliding connection be in on the control lever.

The invention is further configured as follows: the adjusting rod comprises an upper adjusting plate, an adjusting column and a lower adjusting plate, the diameter of the upper adjusting plate and the diameter of the lower adjusting plate are larger than that of the adjusting column, and the limiting disc is movably clamped between the upper adjusting plate and the lower adjusting plate.

The invention is further provided with: the two opposite sides of the control rod are axially provided with movable grooves, the rotating rod is inserted between the two movable grooves through insertion holes, and the rotating ring is arranged in the two movable grooves.

The invention is further provided with: the end part of the push rod is provided with a driving ball which is movably clamped in the rotating ring.

The invention is further provided with: the feeding mechanism is characterized in that a material pressing roller is further arranged on the rack and is positioned on one side, close to the upper non-woven fabric feeding roller, of the material supplementing mechanism.

The beneficial effects of the invention are:

1. when the rubber bands in the rubber band waistband of the paper diaper are all a whole complete rubber band, the waistband can be completely retracted, and simultaneously, after one waistband end is disconnected, the whole waistband can be completely retracted, so that the waistband becomes tight, and the comfort of the paper diaper for a baby to use is influenced.

2. When the rubber band is broken by pressing, the end part of the broken rubber band can be properly retracted, the retraction gap can be formed between the upper non-woven fabric layer and the lower non-woven fabric layer in the retraction process, meanwhile, only the upper non-woven fabric layer and the lower non-woven fabric layer are arranged at the broken end of the rubber band, and the non-woven fabrics are still subjected to larger extrusion cutting force, so that the non-woven fabrics are fragile in the subsequent use process.

3. The material supplementing mechanism can achieve the effect of supplementing the cloth at the position where the rubber band is to be cut off, the material supplementing motor drives the material supplementing roller to rotate, the material is wound on the material supplementing roller and then passes between the upper cutter and the lower cutter and then falls above the rubber band, the glue is arranged between the rubber band and the lower non-woven fabric, the cloth can be driven to move under the viscosity of the glue and the conveying force, the control piece can control the upper cutter and the lower cutter to cut off the cloth after the cloth moves for a certain distance, the cloth can be conveyed forwards ceaselessly due to the guiding effect of the side baffle of the lower cutter, the gravity effect of the cloth and the conveying effect of the material supplementing roller, the cut off cloth can fall on the rubber band, and then the supplemented cloth can be attached to the lower non-woven fabric and the rubber band under the appropriate pressure of the material pressing roller.

4. The control motor drives the control rod to rotate, the control rod drives the adjusting ring and the rotating ring to rotate, the adjusting ring is connected with the rotating ring through the adjusting rod, the limiting rod drives the limiting disc to move upwards by adjusting the limiting rod, the limiting disc is clamped between an upper adjusting plate and a lower adjusting plate of the adjusting ring, the adjusting ring is connected to the control rod in a sliding mode, the limiting disc drives the adjusting ring to move upwards, the adjusting rod is fixed in length and moves upwards, the distance between the adjusting ring and the rotating ring is increased, one side of the rotating ring, connected with the adjusting rod, is upwards tilted, the upper cutter support is movably clamped to the rotating ring through the push rod, the upper cutter support is connected to the control frame in a sliding mode, and therefore when the adjusting ring and the rotating ring rotate synchronously, the rotating ring floats upwards and downwards around the control frame, the upper cutter support is driven to move upwards and downwards along the control frame, the lower cutter support and the upper cutter support are identical, and the upper cutter support and the lower cutter support are arranged oppositely, and therefore when the upper cutter support moves upwards, the lower cutter support moves downwards, and the effect on the upper cutter is achieved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic diagram of the present invention.

Fig. 2 is a schematic view of the internal structure of the present invention.

Fig. 3 is a schematic view of the internal front structure of the present invention.

Fig. 4 is a schematic view of the structure of the cutting member of the present invention.

FIG. 5 is a schematic diagram of the feeding mechanism of the present invention.

Fig. 6 is a schematic structural view of the control member of the present invention.

Fig. 7 is a partial structural schematic view of the control member of the present invention.

Fig. 8 is a schematic view of an exploded structure of the control member of the present invention.

Fig. 9 is a partial structure diagram of a part a in fig. 8.

In the figure, 1, a frame; 11. a lower non-woven fabric feeding roller; 12. an upper non-woven fabric feed roller; 13. a rubber band feed roller; 2. cutting the piece; 21. cutting the motor; 22. a drive rod; 23. a cam; 24. cutting the strips; 3. a material supplementing mechanism; 31. a material supplementing roller; 32. a material supplementing motor; 33. an upper cutter; 331. an upper cutter support; 34. a lower cutter; 341. a lower cutter support; 35. a control frame; 351. an inner chute; 352. an outer chute; 4. a control member; 41. a control lever; 411. a jack; 412. a limiting strip; 413. a movable groove; 42. an adjusting ring; 422. an upper adjusting plate; 423. an adjustment column; 4231. a limiting groove; 424. a lower adjustment plate; 43. rotating the rod; 44. a rotating ring; 441. a through hole; 45. adjusting a rod; 46. controlling the motor; 5. a push rod; 51. a drive ball; 6. a limiting member; 61. a limiting rod; 62. a limiting disc; 63. a limiting seat; 7. a nip roll.

Detailed Description

The technical solution of the present invention will be clearly and completely described with reference to the specific embodiments. It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention.

The embodiment, as shown in fig. 1 to 4, a processing apparatus for preventing the retraction of an elastic waistband of a diaper comprises a frame 1, a lower non-woven fabric feed roller 11, an upper non-woven fabric feed roller 12, an elastic feed roller 13 and a cutting part 2 which are arranged on the frame 1, wherein the cutting part 2 comprises a cutting motor 21, a driving rod 22, a cam 23 and a cutting strip 24, the cutting motor 21 is fixedly arranged on the frame 1, the driving end of the cutting motor 21 is fixedly connected with the driving rod 22, the cam 23 is fixedly connected on the driving rod 22, the cutting motor 21 drives the driving rod 22 to drive the cam 23 to rotate, the protruding part of the cam 23 is radially provided with the cutting strip 24, and the frame 1 is further provided with a material supplementing mechanism 3. The frame 1 is also provided with a nip roll 7, and the nip roll 7 is positioned on one side of the material supplementing mechanism 3 close to the upper non-woven fabric feeding roll 12. When the rubber bands in the rubber band waistband of the paper diaper are all a whole complete rubber band, the waistband can be completely retracted, and meanwhile, after one waistband end is disconnected, the whole waistband can be completely retracted, so that the waistband becomes tight, and the comfort of the paper diaper for a baby to use is influenced.

When the rubber band is broken by pressing, the end part of the broken rubber band can be properly retracted, the retraction gap can be formed between the upper non-woven fabric layer and the lower non-woven fabric layer in the retraction process, meanwhile, only the upper non-woven fabric layer and the lower non-woven fabric layer are arranged at the broken end of the rubber band, the non-woven fabrics are still subjected to large extrusion shearing force, and are relatively fragile in the subsequent use process, the material supplementing mechanism 3 can be used for connecting the materials by adding a small section above the rubber band to be broken, the cloth can be prevented from being retracted more, the thickness of the part can be increased, and the connection can be more stable.

As shown in fig. 5 and 6, the feeding mechanism 3 includes a feeding roller 31, a feeding motor 32, an upper cutter 33, a lower cutter 34, a control frame 35, and a control member 4, the control frame 35 is detachably disposed on the frame 1, the feeding roller 31 is rotatably connected to the frame 1, a driving end of the feeding motor 32 is fixedly connected to the feeding roller 31, the upper cutter 33 and the lower cutter 34 are both slidably connected to the control frame 35, the control member 4 is disposed on the control frame 35, and the control member 4 drives the upper cutter 33 and the lower cutter 34 to approach or separate from each other. The material supplementing mechanism 3 can achieve the effect of supplementing the cloth at the position where the rubber band is to be cut off, the material supplementing motor 32 drives the material supplementing roller 31 to rotate, the material supplementing roller 31 is wound with the cloth, then the cloth passes through the space between the upper cutter 33 and the lower cutter 34 and then falls on the rubber band, the glue is arranged between the rubber band and the lower non-woven fabric, the cloth can drive the cloth to move under the viscosity of the glue and the action of conveying force, after the cloth moves for a certain distance, the control piece 4 can control the upper cutter 33 and the lower cutter 34 to cut off the cloth, the cloth can be continuously conveyed forwards under the guiding action of the side baffle of the lower cutter 34, the gravity action of the cloth and the conveying action of the material supplementing roller 31, the cut cloth can fall on the rubber band, and then the supplemented cloth can be attached to the lower non-woven fabric and the rubber band under the proper pressure of the material pressing roller 7.

As shown in fig. 6 and 7, the control member 4 includes a control rod 41, an adjusting ring 42, a rotating rod 43, a rotating ring 44, an adjusting rod 45, and a control motor 46, the control motor 46 is disposed on the control frame 35, the control motor 46 drives the control rod 41 to rotate, the control rod 41 is rotatably connected to the control frame 35, the adjusting ring 42 is radially disposed on the control rod 41, the rotating ring 44 is radially movably connected below the control rod 41, a jack 411 is radially disposed at a lower end of the control rod 41 in a penetrating manner, a through hole 441 coaxial with the jack 411 is disposed on the rotating ring 44, the rotating rod 43 is radially movably coaxially inserted into the jack 411 and the through hole 441, and two ends of the adjusting rod 45 are respectively hinged to the rotating ring 44 and the adjusting ring 42.

As shown in fig. 8, an upper cutter holder 331 is disposed on both sides of the upper cutter 33, a lower cutter holder 341 is disposed on both sides of the lower cutter 34, an inner sliding groove 351 and an outer sliding groove 352 are disposed on both sides of the control frame 35, the upper cutter holder 331 is slidably disposed in the inner sliding groove 351, the lower cutter holder 341 is slidably disposed in the outer sliding groove 352, push rods 5 are disposed on one sides of the upper cutter holder 331 and the lower cutter holder 341 close to the rotating ring 44, the two push rods 5 are perpendicular to the upper cutter holder 331 and the lower cutter holder 341, the upper cutter holder 331 and the lower cutter holder 341 are movably engaged with the rotating ring 44, a driving ball 51 is disposed at an end of the push rod 5, and the driving ball 51 is movably engaged with the rotating ring 44.

As shown in fig. 8 and 9, the rotating rod 43 is further provided with a limiting part 6, the limiting part 6 includes a limiting rod 61, a limiting disc 62 and a limiting seat 63, the limiting seat 63 is fixedly arranged above the control frame 35, the limiting rod 61 is provided with an external thread, the limiting seat 63 is provided with an internal thread, the limiting rod 61 is in threaded connection with the limiting seat 63, the limiting disc 62 is fixedly connected with the lower end of the limiting rod 61, the limiting disc 62 is movably clamped in the adjusting ring 42, the upper axial direction of the control rod 41 is provided with a limiting strip 412, a limiting groove 4231 is formed in the adjusting ring 42, and the adjusting ring 42 is connected with the limiting strip 412 in a matching sliding manner on the control rod 41.

As shown in fig. 9, the adjusting lever 45 includes an upper adjusting plate 422, an adjusting post 423 and a lower adjusting plate 424, the diameters of the upper adjusting plate 422 and the lower adjusting plate 424 are larger than the diameter of the adjusting post 423, and the limiting plate 62 is movably clamped between the upper adjusting plate 422 and the lower adjusting plate 424.

As shown in fig. 7-9, the control rod 41 is axially provided with two movable grooves 413 at opposite sides, the rotating rod 43 is inserted between the two movable grooves 413 through an insertion hole 411, and the rotating ring 44 is disposed in the two movable grooves 413. The control rod 41 drives the adjusting ring 42 and the rotating ring 44 to rotate, the adjusting ring 42 is connected with the rotating ring 44 through the adjusting rod 45, the limiting rod 61 drives the limiting disc 62 to move upwards by adjusting the limiting rod 61, the limiting disc 62 is clamped between the upper adjusting plate 422 and the lower adjusting plate 424 of the adjusting ring 42, and the adjusting ring 42 is connected to the control rod 41 in a sliding manner, so that the limiting disc 62 drives the adjusting ring 42 to move upwards, the adjusting ring 42 moves upwards because the length of the adjusting rod 45 is fixed, the distance between the adjusting ring 42 and the rotating ring 44 is increased, one side of the rotating ring 44, which is connected with the adjusting rod 45, is tilted upwards, the upper cutter support 331 is movably clamped on the rotating ring 44 through the push rod 5, and the upper cutter support 331 is connected to the control frame 35 in a sliding manner, when the adjusting ring 42 and the rotating ring 44 rotate synchronously, the rotating ring 44 floats upwards and downwards around the rotating rod 43, so that the upper cutter support 331 is driven to move upwards and downwards along the control frame 35, the lower cutter support 341 is in the same order as the upper cutter support 341 and the lower cutter support 331, and the upper cutter support 331 are arranged opposite to the lower cutter support 331, and the upper cutter support 33 move upwards.

Claims

1. The utility model provides a processingequipment that panty-shape diapers prevent that rubber band waistband contracts back which characterized in that: including frame (1), setting be in lower floor non-woven fabrics feed roll (11), upper non-woven fabrics feed roll (12), rubber band feed roll (13), cutting member (2) on frame (1), cutting member (2) include cutting motor (21), actuating lever (22), cam (23), cut off strip (24), cutting motor (21) are fixed to be set up on frame (1), the drive end of cutting motor (21) with actuating lever (22) fixed connection, cam (23) fixed connection be in on actuating lever (22), cutting motor (21) drive actuating lever (22) drive cam (23) rotate, the protruding portion of cam (23) radially is provided with cuts off strip (24), still be provided with feed supplement mechanism (3) on frame (1).

2. The processing device for preventing the rubber band waistband of the paper diaper from retracting as claimed in claim 1, which is characterized in that: the material supplementing mechanism (3) comprises a material supplementing roller (31), a material supplementing motor (32), an upper cutter (33), a lower cutter (34), a control frame (35) and a control piece (4), the control frame (35) is detachably arranged on the rack (1), the material supplementing roller (31) is rotatably connected onto the rack (1), the driving end of the material supplementing motor (32) is fixedly connected with the material supplementing roller (31), the upper cutter (33) and the lower cutter (34) are both in sliding connection onto the control frame (35), the control piece (4) is arranged on the control frame (35), and the control piece (4) drives the upper cutter (33) and the lower cutter (34) to be close to or far away from each other.

3. The processing device for preventing the rubber band waistband of the paper diaper from retracting as claimed in claim 2, which is characterized in that: the control piece (4) comprises a control rod (41), an adjusting ring (42), a rotating rod (43), a rotating ring (44), an adjusting rod (45) and a control motor (46), the control motor (46) is arranged on the control frame (35), the control motor (46) drives the control rod (41) to rotate, the control rod (41) is rotatably connected onto the control frame (35), the adjusting ring (42) is radially arranged on the control rod (41), the rotating ring (44) is radially movably connected below the control rod (41), a jack (411) is radially penetrated through the lower end of the control rod (41), a through hole (441) coaxial with the jack (411) is formed in the rotating ring (44), the rotating rod (43) is radially movably inserted in the jack (411) and the through hole (441), and two ends of the adjusting rod (45) are respectively hinged to the rotating ring (44) and the adjusting ring (42).

4. The processing device for preventing the rubber band waistband of the paper diaper from retracting as claimed in claim 3, which is characterized in that: the two sides of the upper cutter (33) are provided with upper cutter supports (331), the two sides of the lower cutter (34) are provided with lower cutter supports (341), the two sides of the control frame (35) are provided with inner chutes (351) and outer chutes (352), the upper cutter supports (331) are arranged in the inner chutes (351) in a sliding manner, the lower cutter supports (341) are arranged in the outer chutes (352) in a sliding manner, the upper cutter supports (331) and the lower cutter supports (341) are provided with push rods (5) at one sides close to the rotating ring (44), the two push rods (5) are respectively perpendicular to the upper cutter supports (331) and the lower cutter supports (341), and the upper cutter supports (331) and the lower cutter supports (341) are movably clamped in the rotating ring (44) relatively.

5. The processing device for preventing the rubber band waistband of the paper diaper from retracting as claimed in claim 3, which is characterized in that: still be provided with locating part (6) on dwang (43), locating part (6) are including gag lever post (61), spacing dish (62), spacing seat (63) are fixed to be set up the top of control frame (35), be provided with the external screw thread on gag lever post (61), be provided with the internal thread on spacing seat (63), gag lever post (61) threaded connection is in on spacing seat (63), spacing dish (62) fixed connection be in the lower extreme of gag lever post (61), spacing dish (62) activity joint is in adjustable ring (42), the last axial of control lever (41) is provided with spacing (412), spacing groove (4231) have been seted up in adjustable ring (42), adjustable ring (42) pass through spacing groove (4231) with the cooperation sliding connection of spacing (412) is in on control lever (41).

6. The processing device for preventing the rubber band waistband of the paper diaper from retracting as claimed in claim 5, which is characterized in that: the adjustable ring (42) includes last regulating plate (422), regulation post (423) and lower regulating plate (424), the diameter of going up regulating plate (422), lower regulating plate (424) is greater than the diameter of adjusting post (423), spacing dish (62) activity joint is in go up regulating plate (422) with between lower regulating plate (424).

7. The processing device for preventing the rubber band waistband of the paper diaper from retracting as claimed in claim 3, which is characterized in that: the two opposite sides of the control rod (41) are axially provided with movable grooves (413), the rotating rod (43) is inserted between the two movable grooves (413) through an insertion hole (411), and the rotating ring (44) is arranged in the two movable grooves (413).

8. The processing device for preventing the rubber band waistband of the paper diaper from retracting as claimed in claim 4, which is characterized in that: the end part of the push rod (5) is provided with a driving ball (51), and the driving ball (51) is movably clamped in the rotating ring (44).

9. The processing device for preventing the rubber band waistband of the paper diaper from retracting as claimed in claim 2, which is characterized in that: the feeding mechanism is characterized in that a material pressing roller (7) is further arranged on the rack (1), and the material pressing roller (7) is positioned on one side, close to the upper non-woven fabric feeding roller (12), of the material supplementing mechanism (3).