CN218111768U

CN218111768U - Welding device for paper diaper production

Info

Publication number: CN218111768U
Application number: CN202220920029.1U
Authority: CN
Inventors: 王明慧
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-04-15
Filing date: 2022-04-15
Publication date: 2022-12-23
Anticipated expiration: 2032-04-15

Abstract

The utility model provides a welding set is used in panty-shape diapers production belongs to welding equipment technical field. The welding device for producing the paper diaper comprises a basic assembly, a leveling assembly, a fixing assembly and a guiding assembly. Basic subassembly includes backup pad, support column, first riser, roof, bed die, goes up mould, ultrasonic welding machine, first motor, second motor, third motor, fourth motor, first non-woven fabrics roller, wind-up roll, physiosis axle and second non-woven fabrics roller, the support column is fixed on the lower surface of backup pad, during the use, the mould laminating was gone up in ultrasonic welding machine work drive on the bed die, even the laminating non-woven fabrics and the rubber band be in the same place by the welding, formed rubber band shrink non-woven fabrics, this ultrasonic welding device is convenient for weld the number and the position of rubber band as required, carries out nimble regulation to the number and the position of direction running roller, has improved the welding efficiency to non-woven fabrics and rubber band.

Description

Welding device for paper diaper production

Technical Field

The utility model relates to a welding equipment field particularly, relates to a welding set is used in panty-shape diapers production.

Background

The disposable diaper is one of disposable paper products for treating excrement and urine incontinence, and is mainly suitable for incontinence people. Most products are purchased in sheet form and put on the pants. And the adhesive sheets are connected into a pair of shorts. The adhesive sheet has the function of adjusting the size of the waist of the trousers at the same time so as to be suitable for different fat and thin body shapes.

At present, current welding set is used in panty-shape diapers production, and inconvenient number and the position of welding the rubber band as required are adjusted the number and the position of rubber band guide roll wheel, have reduced the welding efficiency to non-woven fabrics and rubber band.

SUMMERY OF THE UTILITY MODEL

In order to compensate above not enough, the utility model provides a welding set is used in panty-shape diapers production aims at improving inconvenient number and the position of welding the rubber band as required, adjusts the number and the position of rubber band direction running roller, has reduced the problem to the welding efficiency of non-woven fabrics and rubber band.

The utility model discloses a realize like this:

the utility model provides a welding set is used in panty-shape diapers production, including basic subassembly, flattening subassembly, fixed subassembly and direction subassembly.

The basis subassembly includes backup pad, support column, riser, roof, bed die, goes up mould, ultrasonic bonding machine, first motor, second motor, third motor, fourth motor, first non-woven fabric roller, wind-up roll, physiosis axle and second non-woven fabric roller, the support column is fixed on the lower surface of backup pad, the riser is fixed on the upper surface of backup pad, the roof is fixed the upper end of riser, the bed die is fixed on the upper surface of backup pad, ultrasonic bonding machine fixes on the lower surface of roof, it sets up to go up the mould ultrasonic bonding machine is last.

The upper die and the lower die are correspondingly arranged, the first motor, the second motor, the third motor and the fourth motor are fixed on the outer wall of the first vertical plate, one end of the first non-woven fabric roller is fixed on the output shaft of the first motor, the other end of the first non-woven fabric roller is rotatably arranged on the outer surface of the first vertical plate, one end of the wind-up roller is fixed on the output shaft of the fourth motor, the other end of the wind-up roller is rotatably arranged on the outer surface of the first vertical plate, one end of the inflatable shaft is fixed on the output shaft of the second motor, one end of the second non-woven fabric roller is fixed on the output shaft of the third motor, and the other end of the second non-woven fabric roller is rotatably arranged on the outer surface of the first vertical plate.

Leveling subassembly includes first cylinder, second cylinder, U template and roller, first cylinder is fixed on the lower surface of roof, the second cylinder is fixed on the lower surface of backup pad, the U template is fixed respectively the piston rod tip of first cylinder with on the piston rod tip of second cylinder, the roller rotates to be set up in the inner wall of U template.

Fixed subassembly is including fixed cover, first slide bar, first sliding sleeve, first threaded rod, connecting rod and arc, fixed cover is fixed on the wind-up roll, the one end of first slide bar is fixed on the outer wall of fixed cover, first sliding sleeve slides the cover and establishes on the first slide bar, first threaded rod screw thread runs through first sliding sleeve, the one end of connecting rod is fixed on the outer wall of first sliding sleeve, the other end of connecting rod is fixed on the outer wall of arc.

The direction subassembly includes that secondary riser, second slide bar, second rotate piece, second threaded rod, guide roller and second sliding sleeve, the secondary riser is fixed on the upper surface of backup pad, the one end of second slide bar is fixed on the outer wall of secondary riser, the second rotates the slip cover and establishes on the second slide bar, the second sliding sleeve is slided the cover equally and is established on the second slide bar, the end fixing of second sliding sleeve is in on the second rotates the piece, the fixed cover of guide roller is established on the second rotates the piece, second threaded rod screw thread runs through the second sliding sleeve.

In an embodiment of the present invention, the support column includes a column body and a bottom plate, the column body is fixed on the lower surface of the support plate, and the bottom plate is fixed on the lower end of the column body.

The utility model discloses an in one embodiment, ultrasonic welding machine includes ultrasonic welding machine body and mount pad, the mount pad is fixed ultrasonic welding machine body with between the lower surface of roof.

The utility model discloses an in one embodiment, the basis subassembly still includes first rotating member, first rotating member is fixed on the outer wall of first riser, the wind-up roll is fixed in the first rotating member.

The utility model discloses an in the embodiment, basic subassembly still includes flange, flange fixes respectively first non-woven cloth roller the wind-up roll with on the second non-woven cloth roller.

The utility model discloses an in one embodiment, the through-hole has been seted up on the first riser, the through-hole with the corresponding setting of physiosis axle.

In an embodiment of the present invention, the first cylinder includes a first cylinder body and a bracket, and the bracket is fixed between the first cylinder body and the top plate.

In an embodiment of the present invention, the second threaded rod includes a second threaded rod body and a handheld portion, the second threaded rod body threads penetrate through the second sliding sleeve, and the handheld portion is fixed to the end of the second threaded rod body.

In an embodiment of the present invention, at least two second threaded rods are disposed on the second sliding sleeve, and the second threaded rods are disposed on the second sliding sleeve at equal intervals in the axial direction.

In an embodiment of the utility model, the length more than or equal to of U template the width of backup pad.

The utility model has the advantages that: the utility model discloses a diaper production that obtains through above-mentioned design uses welding set, when using, weld the number of rubber band as required, according to certain distance set up the hollow ways of winding the rubber band on the physiosis axle, aerify to the physiosis axle, make the epaxial axle of physiosis extrude the inner wall of hollow ways, even hollow ways is fixed on the physiosis axle, again according to the number and the position of hollow ways, the same quantity of guide roller cover is established on the second slide bar, and carry out corresponding regulation to the position of guide roller, then rotate the second threaded rod, the end of second threaded rod is through the outer wall of extrusion second slide bar, make the guide roller fixed on the second slide bar, rotate the first threaded rod, make the end of first threaded rod leave the first slide bar, pull up the connecting rod, make the lower surface of arc leave the surface of wind-up roll, stimulate the non-woven fabrics on the second non-woven fabrics roller, laying the non-woven fabric on a take-up roll, pulling the rubber band on the hollow sleeve again, enabling the rubber band to pass through the lower part of a guide roller wheel, enabling the rubber band to be laid on the non-woven fabric, finally pulling the non-woven fabric on a first non-woven fabric roll, enabling the non-woven fabric to be laid on the upper part of the rubber band, enabling the rubber band and the non-woven fabric to pass through a lower die and an upper die, pressing down a first sliding sleeve, enabling an arc plate to extrude and fix the rubber band and the non-woven fabric on the take-up roll, rotating a first threaded rod, enabling the tail end of the first threaded rod to extrude the outer wall of the first sliding rod, enabling the first sliding sleeve to be fixed on the first sliding rod, enabling a piston rod of a first air cylinder and a piston rod of a second air cylinder to drive a roll shaft to move up and down, enabling the non-woven fabric and the rubber band to be adhered together, enabling output shafts of a first motor and a third motor to respectively drive the first non-woven fabric roll and the second non-woven fabric roll to rotate, and realizing the material discharge operation of the non-woven fabric, the rotation of second motor output shaft drives the physiosis axle and rotates, the blowing operation of realization to the rubber band, the rotation of fourth motor output shaft drives the wind-up roll and carries out the rolling operation to non-woven fabrics and rubber band, the rotatory speed of control second motor output shaft, make the rubber band warp and elongated appointed diameter size, the mould laminating is gone up in ultrasonic bonding machine work drives on the bed die, even non-woven fabrics and rubber band that the laminating is in the same place are welded together, form rubber band shrink non-woven fabrics, this ultrasonic bonding device is convenient for weld the number and the position of rubber band as required, the regulation that carries out the flexibility in number and the position to the direction running roller, the welding efficiency to non-woven fabrics and rubber band has been improved.

Drawings

In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings which are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and that for those skilled in the art, other related drawings can be obtained according to these drawings without inventive efforts.

Fig. 1 is a schematic perspective view of a welding device for producing a paper diaper according to an embodiment of the present invention;

fig. 2 is a schematic perspective view of a foundation assembly according to an embodiment of the present invention;

FIG. 3 is a diagram illustrating the relationship between a base assembly and a leveling assembly according to an embodiment of the present invention;

fig. 4 is an enlarged view of the area a in fig. 3 according to an embodiment of the present invention;

fig. 5 is a schematic perspective view of a guide assembly according to an embodiment of the present invention;

fig. 6 is an enlarged view of a region B in fig. 5 according to an embodiment of the present invention.

In the figure: 100-a base component; 110-a support plate; 120-support column; 121-cylinder; 122-a backplane; 130-a first riser; 140-a top plate; 150-lower mold; 160-upper mold; 170-ultrasonic welding machine; 171-ultrasonic welding machine body; 172-a mount; 180-a first motor; 190-a second motor; 191-a third motor; 192-a fourth motor; 193-first nonwoven roll; 194-a wind-up roll; 195-an inflatable shaft; 196-a second nonwoven roll; 197-a first rotating member; 198-connecting flange; 199-a through hole; 200-a leveling assembly; 210-a first cylinder; 211-a first cylinder body; 212-a holder; 220-a second cylinder; 230-U-shaped plate; 240-roll axis; 300-a stationary component; 310-a fixation sleeve; 320-a first slide bar; 330-a first sliding sleeve; 340-a first threaded rod; 350-a connecting rod; 360-arc shaped plate; 400-a guide assembly; 410-a second riser; 420-a second slide bar; 430-a second rotating member; 440-a second threaded rod; 441-a second threaded rod body; 442-a handpiece; 450-a guide roller; 460-second runner.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Thus, the following detailed description of the embodiments of the present invention, as 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and for simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In the present application, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation of the first and second features not being in direct contact, but being in contact with another feature between them. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Examples

Referring to fig. 1-6, the present invention provides a technical solution: a welding device for producing paper diapers comprises a base component 100, a leveling component 200, a fixing component 300 and a guiding component 400. Leveling component 200, fixed subassembly 300 and direction subassembly 400 are all fixed on basic subassembly 100, and this ultrasonic welding device is convenient for weld the number and the position of rubber band as required, carries out nimble regulation to the number and the position of guide roll wheel 450, has improved the welding efficiency to non-woven fabrics and rubber band.

Referring to fig. 1 to 3, a base assembly 100 includes a support plate 110, a support column 120, a first vertical plate 130, a top plate 140, a lower mold 150, an upper mold 160, an ultrasonic welding machine 170, a first motor 180, a second motor 190, a third motor 191, a fourth motor 192, a first non-woven fabric roller 193, a wind-up roller 194, an air expanding shaft 195, and a second non-woven fabric roller 196, the support column 120 is fixed on a lower surface of the support plate 110 by bolts, the support column 120 includes a cylinder 121 and a bottom plate 122, the cylinder 121 is fixed on the lower surface of the support plate 110 by bolts, the bottom plate 122 is fixed on a lower end of the cylinder 121 by bolts, the bottom plate 122 makes the ultrasonic welding machine more stably placed on the ground, the first vertical plate 130 is fixed on an upper surface of the support plate 110 by bolts, the top plate 140 is fixed on an upper end of the first vertical plate 130 by bolts, the lower mold 150 is fixed on an upper surface of the support plate 110 by bolts, the ultrasonic welding machine 170 is fixed on a lower surface of the top plate 140 by bolts, the upper mold 160 is disposed on the ultrasonic welding machine 170, the ultrasonic welding machine 170 includes an ultrasonic welding body 171 and a mounting seat 172, the mounting seat 172 is fixed between the upper surface of the ultrasonic welding machine 171, and the ultrasonic welding seat 172.

The upper die 160 and the lower die 150 are arranged correspondingly, the first motor 180, the second motor 190, the third motor 191 and the fourth motor 192 are all fixed on the outer wall of the first vertical plate 130 through bolts, one end of the first non-woven fabric roller 193 is fixed on an output shaft of the first motor 180 through a coupler, the other end of the first non-woven fabric roller 193 is rotatably arranged on the outer surface of the first vertical plate 130, one end of the take-up roller 194 is fixed on the output shaft of the fourth motor 192 through a coupler, the other end of the take-up roller 194 is rotatably arranged on the outer surface of the first vertical plate 130, the base assembly 100 further comprises a first rotating part 197, and the first rotating part 197 is fixed on the outer wall of the first vertical plate 130 through bolts.

The wind-up roll 194 is connected in a key manner with the first rotating member 197, the first rotating member 197 enables the wind-up roll 194 to rotate more smoothly, in this embodiment, both the first rotating member 197 and the second rotating member 430 are bearings, one end of the air shaft 195 is fixed on an output shaft of the second motor 190 through a coupler, the first vertical plate 130 is provided with a through hole 199, the through hole 199 and the air shaft 195 are arranged correspondingly, the through hole 199 is convenient for sleeving a hollow sleeve wound with rubber bands on the air shaft 195, one end of the second non-woven fabric roll 196 is fixed on an output shaft of the third motor 191 through a coupler, the other end of the second non-woven fabric roll 196 is rotatably arranged on the outer surface of the first vertical plate 130, the base assembly 100 further comprises a connecting flange 198, the connecting flange 198 is respectively welded on the first non-woven fabric roll 193, the wind-up roll 194 and the second non-woven fabric roll 196, and the connecting flange 198 is convenient for installing and fixing the first non-woven fabric roll 193, the wind-up roll 194 and the second non-woven fabric roll 196.

Referring to fig. 1 and 3, the leveling assembly 200 includes a first cylinder 210, a second cylinder 220, a U-shaped plate 230, and a roller 240, the first cylinder 210 is fixed on the lower surface of the top plate 140 by bolts, the first cylinder 210 includes a first cylinder body 211 and a bracket 212, the bracket 212 is fixed between the first cylinder body 211 and the top plate 140 by bolts, the bracket 212 facilitates the first cylinder body 211 to be fixed on the top plate 140, the second cylinder 220 is fixed on the lower surface of the supporting plate 110 by bolts, the U-shaped plate 230 is respectively fixed on the piston rod end of the first cylinder 210 and the piston rod end of the second cylinder 220 by bolts, the roller 240 is rotatably disposed in the inner wall of the U-shaped plate 230, the length of the U-shaped plate 230 is greater than or equal to the width of the supporting plate 110, and the roller 240 can be completely pressed on the non-woven fabric.

Referring to fig. 1, 3 and 4, the fixing assembly 300 includes a fixing sleeve 310, a first sliding rod 320, a first sliding sleeve 330, a first threaded rod 340, a connecting rod 350 and an arc plate 360, the fixing sleeve 310 is welded on the winding roller 194, one end of the first sliding rod 320 is welded on the outer wall of the fixing sleeve 310, the first sliding sleeve 330 is slidably sleeved on the first sliding rod 320, the first threaded rod 340 penetrates through the first sliding sleeve 330 in a threaded manner, one end of the connecting rod 350 is fixed on the outer wall of the first sliding sleeve 330 by a bolt, and the other end of the connecting rod 350 is fixed on the outer wall of the arc plate 360 by a bolt.

Referring to fig. 1, 5 and 6, the guiding assembly 400 includes a second vertical plate 410, a second sliding rod 420, a second rotating member 430, a second threaded rod 440, a guiding roller 450 and a second sliding sleeve 460, the second vertical plate 410 is fixed on the upper surface of the supporting plate 110 by a bolt, one end of the second sliding rod 420 is fixed on the outer wall of the second vertical plate 410 by a bolt, the second rotating member 430 is slidably sleeved on the second sliding rod 420, the second sliding sleeve 460 is also slidably sleeved on the second sliding rod 420, the end of the second sliding sleeve 460 is welded on the second rotating member 430, the guiding roller 450 is welded on the second rotating member 430, the second threaded rod 440 is threaded through the second sliding sleeve 460, at least two second threaded rods 440 are disposed on the second sliding sleeve 460, the second threaded rods 440 are axially equidistantly disposed on the second sliding sleeve 460, the ends of the plurality of second threaded rods 440 are pressed against the outer wall of the second sliding rod 420 by pressing, so that the second rotating member 430 is more firmly welded on the second sliding rod 420, the second threaded rod 440 includes a body 441 and a hand-held threaded rod 442, the hand-held threaded rod body 441 is convenient for hand-held rotation of the hand-held handle 442 in this embodiment.

Specifically, this welding set for panty-shape diapers production's theory of operation: when in use, the number of the rubber bands is welded according to the requirement, the hollow sleeve wound with the rubber bands is sleeved on the inflatable shaft 195 according to a certain distance, the inflatable shaft 195 is inflated to ensure that the shaft on the inflatable shaft 195 extrudes the inner wall of the hollow sleeve, even if the hollow sleeve is fixed on the inflatable shaft 195, the same number of guide rollers 450 are sleeved on the second slide bar 420 according to the number and the positions of the hollow sleeves, the position of the guide rollers 450 is correspondingly adjusted, then the second threaded rod 440 is rotated, the tail end of the second threaded rod 440 extrudes the outer wall of the second slide bar 420 to ensure that the guide rollers 450 are fixed on the second slide bar 420, the first threaded rod 340 is rotated to ensure that the tail end of the first threaded rod 340 leaves the first slide bar 320, the connecting rod 350 is pulled up, the lower surface of the arc-shaped plate 360 leaves the outer surface of the second non-woven roll 194, the non-woven fabric on the second non-woven roll 196 is pulled to ensure that the non-woven fabric is laid on the take-up roll 194, the rubber band on the hollow sleeve is pulled again, the rubber band passes through the lower part of the guide roller 450, the rubber band is laid on the non-woven fabric, the non-woven fabric on the first non-woven fabric roller 193 is pulled finally, the non-woven fabric is laid on the rubber band, the rubber band and the non-woven fabric pass through the position between the lower die 150 and the upper die 160, the first sliding sleeve 330 is pressed downwards, the rubber band and the non-woven fabric are fixed on the winding roller 194 in an extruding mode through the arc-shaped plate 360, the first threaded rod 340 is rotated, the tail end of the first threaded rod 340 extrudes the outer wall of the first sliding rod 320, the first sliding sleeve 330 is fixed on the first sliding rod 320, the first motor 180, the second motor 190, the third motor 191, the fourth motor 192, the first air cylinder 210 and the second air cylinder 220 are started, the piston rod of the first air cylinder 210 and the piston rod of the second air cylinder 220 drive the roller shaft 240 to move upwards and downwards, the roller shaft 240 enables the non-woven fabric and the rubber band to be adhered together, the rotation of the output shafts of the first motor 180 and the third motor 191 respectively drives the first non-woven fabric roller 193 and the second non-woven fabric roller 196 to rotate, the non-woven fabric is discharged, the rotation of the output shaft of the second motor 190 drives the air expansion shaft 195 to rotate, the rubber band is discharged, the rotation of the output shaft of the fourth motor 192 drives the winding roller 194 to wind the non-woven fabric and the rubber band, the rotating speed of the output shaft of the second motor 190 is controlled, the rubber band is deformed and elongated to a specified diameter, the ultrasonic welding machine 170 is started, the ultrasonic welding machine 170 works to drive the upper die 160 to be attached to the lower die 150, even if the non-woven fabric and the rubber band which are attached together are welded together, the rubber band shrinkage non-woven fabric is formed, the ultrasonic welding device is convenient for welding the number and the direction of the rubber bands according to needs, the number and the direction of the guide roller 450 are flexibly adjusted, and the welding efficiency of the non-woven fabric and the rubber band is improved.

It should be noted that the specific model specifications of the ultrasonic welding machine 170, the first motor 180, the second motor 190, the third motor 191, the fourth motor 192, the first cylinder 210 and the second cylinder 220 need to be determined according to the actual specification of the device, and the specific model selection calculation method adopts the prior art in the field, so detailed description is omitted.

The power supply of the ultrasonic welding machine 170, the first motor 180, the second motor 190, the third motor 191, the fourth motor 192, the first cylinder 210 and the second cylinder 220 and the principle thereof will be apparent to those skilled in the art and will not be described in detail herein.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A welding device for the production of paper diapers is characterized by comprising

A base assembly (100), wherein the base assembly (100) comprises a support plate (110), a support pillar (120), a first vertical plate (130), a top plate (140), a lower die (150), an upper die (160), an ultrasonic welding machine (170), a first motor (180), a second motor (190), a third motor (191), a fourth motor (192), a first non-woven fabric roller (193), a wind-up roller (194), an air expanding shaft (195) and a second non-woven fabric roller (196), the support pillar (120) is fixed on the lower surface of the support plate (110), the first vertical plate (130) is fixed on the upper surface of the support plate (110), the top plate (140) is fixed on the upper end of the first vertical plate (130), the lower die (150) is fixed on the upper surface of the support plate (110), the ultrasonic welding machine (170) is fixed on the lower surface of the top plate (140), and the upper die (160) is arranged on the ultrasonic welding machine (170);

the upper die (160) and the lower die (150) are arranged correspondingly, the first motor (180), the second motor (190), the third motor (191) and the fourth motor (192) are all fixed on the outer wall of the first riser (130), one end of the first non-woven fabric roller (193) is fixed on the output shaft of the first motor (180), the other end of the first non-woven fabric roller (193) is rotatably arranged on the outer surface of the first riser (130), one end of the take-up roller (194) is fixed on the output shaft of the fourth motor (192), the other end of the take-up roller (194) is rotatably arranged on the outer surface of the first riser (130), one end of the air expansion shaft (195) is fixed on the output shaft of the second motor (190), one end of the second non-woven fabric roller (196) is fixed on the output shaft of the third motor (191), and the other end of the second non-woven fabric roller (196) is rotatably arranged on the outer surface of the first riser (130);

the leveling assembly (200) comprises a first air cylinder (210), a second air cylinder (220), a U-shaped plate (230) and a roller shaft (240), wherein the first air cylinder (210) is fixed on the lower surface of the top plate (140), the second air cylinder (220) is fixed on the lower surface of the supporting plate (110), the U-shaped plate (230) is respectively fixed on the end part of a piston rod of the first air cylinder (210) and the end part of a piston rod of the second air cylinder (220), and the roller shaft (240) is rotatably arranged in the inner wall of the U-shaped plate (230);

the fixing assembly (300) comprises a fixing sleeve (310), a first sliding sleeve (320), a first sliding sleeve (330), a first threaded rod (340), a connecting rod (350) and an arc-shaped plate (360), wherein the fixing sleeve (310) is fixed on the winding roller (194), one end of the first sliding sleeve (320) is fixed on the outer wall of the fixing sleeve (310), the first sliding sleeve (330) is sleeved on the first sliding sleeve (320) in a sliding manner, the first threaded rod (340) penetrates through the first sliding sleeve (330) in a threaded manner, one end of the connecting rod (350) is fixed on the outer wall of the first sliding sleeve (330), and the other end of the connecting rod (350) is fixed on the outer wall of the arc-shaped plate (360);

guide assembly (400), guide assembly (400) includes second riser (410), second slide bar (420), second rotation piece (430), second threaded rod (440), guide roller (450) and second sliding sleeve (460), second riser (410) is fixed on the upper surface of backup pad (110), the one end of second slide bar (420) is fixed on the outer wall of second riser (410), second rotation piece (430) slip cap is established on second slide bar (420), the same slip cap of second sliding sleeve (460) is established on second slide bar (420), the tip of second sliding sleeve (460) is fixed on second rotation piece (430), guide roller (450) fixed cap is established on second rotation piece (430), second threaded rod (440) screw thread runs through second sliding sleeve (460).

2. The welding device for the production of the disposable diaper as recited in claim 1, wherein the supporting column (120) comprises a column (121) and a bottom plate (122), the column (121) is fixed on the lower surface of the supporting plate (110), and the bottom plate (122) is fixed on the lower end of the column (121).

3. The welding device for diaper production according to claim 1, wherein the ultrasonic welding machine (170) comprises an ultrasonic welding machine body (171) and a mounting seat (172), and the mounting seat (172) is fixed between the ultrasonic welding machine body (171) and the lower surface of the top plate (140).

4. The welding device for diaper production as claimed in claim 1, wherein said base assembly (100) further comprises a first rotating member (197), said first rotating member (197) is fixed to an outer wall of said first riser (130), and said wind-up roll (194) is fixed inside said first rotating member (197).

5. The welding device for diaper production according to claim 1, wherein the base assembly (100) further comprises a connecting flange (198), and the connecting flange (198) is fixed on the first nonwoven roll (193), the wind-up roll (194) and the second nonwoven roll (196), respectively.

6. The welding device for the production of the paper diaper as claimed in claim 1, wherein the first vertical plate (130) is provided with a through hole (199), and the through hole (199) and the air inflation shaft (195) are arranged correspondingly.

7. The welding device for diaper production according to claim 1, wherein the first cylinder (210) comprises a first cylinder body (211) and a bracket (212), and the bracket (212) is fixed between the first cylinder body (211) and the top plate (140).

8. The welding device for the production of the paper diaper as claimed in claim 1, wherein the second threaded rod (440) comprises a second threaded rod body (441) and a handheld portion (442), the second threaded rod body (441) is threaded through the second sliding sleeve (460), and the handheld portion (442) is fixed at the end of the second threaded rod body (441).

9. The welding device for diaper manufacturing according to claim 1, wherein at least two second threaded rods (440) are disposed on the second sliding sleeve (460), and the second threaded rods (440) are axially disposed on the second sliding sleeve (460) at equal intervals.

10. The welding device for the production of the paper diaper as claimed in claim 1, wherein the length of the U-shaped plate (230) is greater than or equal to the width of the supporting plate (110).