CN210884505U - Splicing mechanism of disposable hygienic product - Google Patents

Abstract

The utility model belongs to the technical field of disposable sanitary product equipment, in particular to a splicing mechanism of disposable sanitary products, which comprises a frame, wherein a first support and a second support are symmetrically arranged on the frame left and right, a fixed cutting board is fixed above the frame and positioned between the first support and the second support, and a pressing and cutting component and an adsorption component are respectively arranged on the first support and the second support; an ultrasonic transmitter is arranged below the first support, a welding head assembly is arranged at the end part of the ultrasonic transmitter, a knurling assembly which is telescopic along the direction close to and far away from the welding head assembly is arranged below the second support and opposite to the welding head assembly, and the welding head assembly and the knurling assembly slide relatively in the width direction of the strip materials to be spliced; the pressing and cutting assembly is used for pressing the strip-shaped material on the fixed cutter plate and cutting the strip-shaped material by matching with the fixed cutter plate; the adsorption component is positioned between the pressing and cutting component and the welding head component and used for adsorbing the strip materials to be spliced.

Description

Splicing mechanism of disposable hygienic product

Technical Field

The utility model belongs to the technical field of disposable hygienic products equipment, especially, relate to a disposable hygienic products's concatenation mechanism.

Background

The splicing process of disposable sanitary product materials generally comprises the steps of cutting off materials which are about to be unwound, then adhering the materials to new unwinding materials, generally adhering double-sided adhesive tapes to the head ends of the new unwinding materials and aligning the double-sided adhesive tapes, peeling off release paper on the materials, then drawing the materials into a splicer to enable the positions of the adhesive tapes to correspond to splicing positions, cutting off the materials when a detection device detects that the materials are about to run out, adhering new materials to the materials, completing splicing of strip-shaped continuous materials, and continuing to line without stopping, for example, a material splicing device with quick tool changing disclosed in patent No. 201620908450.5. This way of joining presents the following drawbacks:

1) when the adhesive tape is pasted, the adhesive tape is easy to be pasted askew and wrinkled, so that the material is off-tracking or wrinkled.

2) The new material stuck with the adhesive tape is not easy to operate when being pulled into the splicer without stopping, and the unreeled material is stuck under the condition that the material is not used up, so that the product is scrapped.

3) The materials of the disposable sanitary products are soft, the adhesive tape is hard, the non-woven fabrics adhered with the adhesive tape are not easy to be folded when being folded along with the production process, or the adhesive tape can prevent the materials from passing through the folding plate to cause machine halt.

4) If the adhesive tape is not well adhered, the adhesive tape exposed outside can be adhered to a tension wheel or a traction wheel to cause material winding, breaking and stopping, so that the material and the time are wasted, and the starting efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

The problem of the sticky mode concatenation of banded disposable hygienic articles material adoption that exists for solving prior art, the utility model provides a disposable hygienic articles's splicing mechanism.

In order to solve the technical problem, the technical scheme adopted by the utility model is as follows, the splicing mechanism of the disposable sanitary product comprises a frame, wherein a first support and a second support are symmetrically arranged on the frame left and right, a fixed knife board is fixed above the frame and positioned between the first support and the second support, and a pressing and cutting component and an adsorption component are respectively arranged on the first support and the second support;

the pressing and cutting assembly comprises a fixed plate which is telescopic along the direction close to and far away from the fixed cutter plate, a blade is fixed on the fixed plate, a cutting edge channel corresponding to the position of the blade is arranged on the fixed cutter plate, a pressing plate which is matched with the fixed cutter plate for pressing is also arranged on the fixed plate, the pressing plate slides on the fixed plate along the telescopic direction of the fixed plate, and a spring for resetting the pressing plate is connected between the pressing plate and the fixed plate;

an ultrasonic transmitter is arranged below the first support, a welding head assembly is arranged at the end part of the ultrasonic transmitter, a knurling assembly which is telescopic along the direction close to and far away from the welding head assembly is arranged below the second support and opposite to the welding head assembly, and the welding head assembly and the knurling assembly slide relatively in the width direction of the strip materials to be spliced; the adsorption component is positioned between the pressing and cutting component and the welding head component and used for adsorbing the strip materials to be spliced.

Preferably, the horn assembly comprises an elongated flat horn; the knurling subassembly includes decorative pattern gyro wheel, bottom plate, linear slide rail, sharp slider and third guide arm, be fixed with concatenation cylinder and third guide pin bushing on the second support, the one end and the bottom plate fixed connection of third guide arm, its other end slide to set up in the third guide pin bushing, the piston rod of concatenation cylinder is towards the bonding tool subassembly, the piston rod fixed connection of bottom plate and concatenation cylinder, linear slide rail is fixed to be set up on the bottom plate, sharp slider slides along linear slide rail by the drive of translation cylinder, the decorative pattern gyro wheel passes through the wheel seat and rotates the setting on sharp slider, just the decorative pattern gyro wheel rolls along the length direction of flat bonding tool. The outer circumferential surface of the pattern roller is carved with patterns, when two layers of strip materials are spliced, the pattern convex part of the pattern roller acts on the strip materials to fuse the two layers of strip materials, the patterns formed on the strip materials are consistent with the patterns on the surface of the pattern roller, the fine-machined carved area is reduced, and the cost is reduced.

Preferably, the knurling assembly comprises a bottom plate, a third guide rod and a strip-shaped pattern template, a splicing air cylinder and a third guide sleeve are fixed on the first support, one end of the third guide rod is fixedly connected with the bottom plate, the other end of the third guide rod is slidably arranged in the third guide sleeve, a piston rod of the splicing air cylinder faces the welding head assembly, the bottom plate is fixedly connected with a piston rod of the splicing air cylinder, and the pattern template is fixed on the bottom plate; the welding head assembly comprises a roller welding head, a linear sliding rail and a linear sliding block, the linear sliding rail is fixedly arranged on the first support, the linear sliding block is driven by a translation cylinder to slide along the linear sliding rail, the roller welding head is rotatably arranged on the linear sliding block through a wheel seat, and the roller welding head rolls along the length direction of the pattern template. The surface of the pattern template is carved with patterns, when the two layers of strip materials are spliced, the roller welding head is matched with the pattern convex part of the pattern template to enable the two layers of strip materials to be fused, the patterns formed on the strip materials are consistent with the patterns on the surface of the pattern template, the pattern is convenient to carve on the surface of the pattern template, the carving difficulty is reduced, and the arrangement of the roller welding head reduces the finish machining of a welding head assembly and reduces the cost.

Preferably, a first guide pillar is fixed on the fixing plate, a material pressing and cutting cylinder is fixed on each of the first support and the second support, a piston rod of the material pressing and cutting cylinder faces the fixed cutter plate, the piston rod of the material pressing and cutting cylinder is fixedly connected with the fixing plate, and a first guide sleeve matched with the first guide pillar is fixed on each of the first support and the second support. The direction precision of the fixed plate movement is improved.

Preferably, the pressing plates are arranged on two sides of the blade, a pressing rod is fixed on each pressing plate, a second guide sleeve is fixed on each fixing plate, the pressing rod slides in the second guide sleeve, the spring is sleeved on the pressing rod, and the spring is arranged between the second guide sleeve and the pressing plates; the corresponding pressure plates are connected with the fixed plate through the two pressure rods which are parallel to each other. The direction precision of the movement of the pressure plate is improved.

Furthermore, the adsorption component comprises an air suction box, the air suction box is fixed on the first support and the second support, a hollow cavity, an air suction opening and a plurality of adsorption holes are formed in the air suction box, the air suction opening is communicated with the hollow cavity, and the adsorption holes are formed in the opposite surfaces of the two air suction boxes. The cavity is connected with the negative pressure air source through the extraction opening for the adsorption hole adsorbs the banded material of waiting to splice, effectively avoids two to wait the winding of the banded material of splicing, guarantees that the banded material of waiting to splice is located the concatenation position, makes preparation for bonding tool subassembly and annular knurl subassembly cooperation concatenation banded material, guarantees to splice and goes on smoothly, guarantees the success rate of concatenation, improves this splicing mechanism's concatenation efficiency and reliability, reduces the risk of shutting down.

Furthermore, inlet tension pulleys are fixed on the first support and the second support, the central axis of each inlet tension pulley is perpendicular to the moving direction of the fixing plate, and the inlet tension pulleys are positioned at the inlet of the disposable sanitary product belt-shaped material above the space between the material pressing plate and the fixed cutter plate. The two inlet tension wheels respectively correspond to a coiled material roll, and the strip-shaped materials are guided into the splicing mechanism through the inlet tension wheels, so that the conveying stability and reliability of the strip-shaped materials are improved.

Further, an outlet tension wheel is fixed on the machine base and located below the knurling assembly. The strip-shaped materials are output from the splicing mechanism through the outlet tension wheel, so that the output stability and reliability of the strip-shaped materials are improved.

Further, the bottom track is still installed to the frame bottom, first support and second support all through bottom slider sliding connection on the track of bottom, the bottom slider is slided by bottom cylinder drive, the slip direction of first support and second support and the direction of motion of fixed plate are parallel to each other. The splicing mechanism is divided into a structure which can be opened independently and automatically, so that an operator can conveniently install the strip materials to be spliced in the splicing mechanism, and the operation is simple, convenient and humanized.

Has the advantages that:

(1) the splicing mechanism of the disposable sanitary product has higher requirement on the material by the knurling component matched with the welding head component, saves raw materials by using the patterned roller, reduces the carved area of finish machining and reduces the cost; the strip-shaped pattern template is used, the surface of the pattern template is convenient to carve patterns, the carving difficulty is reduced, and the arrangement of the roller welding head reduces the finish machining of the welding head assembly and reduces the cost;

(2) the splicing mechanism of the disposable sanitary product of the utility model reduces the power requirement of ultrasonic wave for wide material by rolling mode welding, and has small welding sealing contact point, large energy per unit area and higher sealing strength;

(3) the splicing mechanism of the disposable sanitary product of the utility model utilizes the vibration energy of the ultrasonic wave to be converted into the molecular motion of the splicing material, so that the two layers of materials are fused together, and compared with the traditional tape-sticking mode, the splicing mechanism has large tensile strength at the joint;

(4) the splicing mechanism of the disposable sanitary product of the utility model avoids the phenomena of askew sticking and wrinkle sticking caused by manual adhesive tape sticking by fusing the two layers of materials together;

(5) the splicing mechanism of the disposable sanitary product of the utility model has shorter material joint sealed by ultrasonic wave, softer overlapped part, no waste removal and waste reduction if the material is not directly exposed outside;

(6) the splicing mechanism of the disposable sanitary product can smoothly pass through the subsequent tension wheel, the traction wheel and the wrapping and folding mechanism, avoids machine halt caused by poor adhesive tape pasting or splicing failure, avoids time waste, and has simple operation, rapidness, reliability, economy and high efficiency;

(7) the utility model discloses a disposable hygienic products's concatenation mechanism with this concatenation mechanism fall into about can independent automatic opening the structure, makes things convenient for operating personnel to wait to splice banded material to this concatenation mechanism in the installation, and is easy and simple to handle humanized.

Drawings

Fig. 1 is a schematic front view of embodiment 1 of the present invention;

fig. 2 is a schematic top view of the knurling assembly of embodiment 1 of the present invention;

fig. 3 is a schematic view of the knurling assembly and the welding head assembly of embodiment 1 of the present invention;

fig. 4 is a schematic view of a three-dimensional structure of the patterned roller and the flat welding head in accordance with embodiment 1 of the present invention;

fig. 5 is a schematic view of another angle of the three-dimensional structure of the patterned roller and the flat welding head according to embodiment 1 of the present invention;

6-1 ~ 6-6 are the working process schematic diagram of the splicing mechanism of embodiment 1 of the invention;

fig. 7 is a schematic front view of embodiment 2 of the present invention;

fig. 8 is a schematic view of the knurling assembly and the welding head assembly of embodiment 2 of the present invention;

in the figure: 1. the cutting machine comprises a machine base, 10, a first support, 11, a second support, 12, a bottom rail, 13, a bottom sliding block, 14, a bottom cylinder, 2, a fixed cutter plate, 20, a cutting edge channel, 30, a fixing plate, 31, a blade, 32, a pressure plate, 33, a spring, 34, a first guide column, 35, a first guide sleeve, 36, a pressure cutting cylinder, 37, a pressure rod, 38, a second guide sleeve, 40, a suction box, 401, a suction opening, 402, the device comprises an adsorption hole, 5, an ultrasonic emitter, 6, a welding head assembly, 60, a flat welding head, 61, a roller welding head, 7, a knurling assembly, 70, a patterned roller, 71, a bottom plate, 72, a linear sliding rail, 73, a linear sliding block, 74, a third guide rod, 75, a splicing air cylinder, 76, a third guide sleeve, 77, a translation air cylinder, 78, a wheel seat, 79, a patterned template, 8, an inlet tension wheel, 9, an outlet tension wheel, 101, an uncoiling material, 102 and a material to be uncoiled.

Detailed Description

Example 1

As shown in fig. 1 to 5, a splicing mechanism for disposable hygienic products comprises a base 1, wherein a first support 10 and a second support 11 are symmetrically arranged on the base 1 from left to right, a fixed knife board 2 is fixed above the base 1, the fixed knife board 2 is positioned between the first support 10 and the second support 11, and a pressing and cutting component and an adsorption component are arranged on each of the first support 10 and the second support 11;

as shown in fig. 1, the pressing and cutting assembly includes a fixing plate 30 extending and retracting along a direction close to and away from the fixed knife plate 2, a blade 31 is fixed on the fixing plate 30, a cutting edge channel 20 corresponding to the position of the blade 31 is arranged on the fixed knife plate 2, a pressing plate 32 which is matched with the fixed knife plate 2 for pressing is further arranged on the fixing plate 30, the pressing plate 32 slides on the fixing plate 30 along the extending and retracting direction of the fixing plate 30, and a spring 33 for restoring the pressing plate 32 is connected between the pressing plate 32 and the fixing plate 30; in order to improve the working stability and reliability of the press-cutting assembly, a first guide pillar 34 is fixed on the fixing plate 30, a press-cutting air cylinder 36 is fixed on each of the first support 10 and the second support 11, a piston rod of the press-cutting air cylinder 36 faces the fixed cutter plate 2, a piston rod of the press-cutting air cylinder 36 is fixedly connected with the fixing plate 30, and a first guide sleeve 35 matched with the first guide pillar 34 is fixed on each of the first support 10 and the second support 11; the two sides of the blade 31 are both provided with the pressure plate 32, a pressure lever 37 is fixed on the pressure plate 32, a second guide sleeve 38 is fixed on the fixing plate 30, the pressure lever 37 slides in the second guide sleeve 38, the spring 33 is sleeved on the pressure lever 37, and the spring 33 is arranged between the second guide sleeve 38 and the pressure plate 32; the corresponding pressure plates 32 and the fixing plate 30 are connected through the two pressure rods 37 which are parallel to each other;

as shown in fig. 1 to 5, an ultrasonic transmitter 5 is arranged below the first support 10, a welding head assembly 6 is arranged at an end of the ultrasonic transmitter 5, a knurling assembly 7 which is telescopic in a direction close to and far from the welding head assembly 6 is arranged below the second support 11 and opposite to the welding head assembly 6, and the welding head assembly 6 and the knurling assembly 7 slide relatively in a width direction of the strip materials to be spliced; specifically, the horn assembly 6 includes an elongated flat horn 60; the knurling assembly 7 comprises a pattern roller 70, a bottom plate 71, a linear sliding rail 72, a linear sliding block 73 and a third guide rod 74, a splicing air cylinder 75 and a third guide sleeve 76 are fixed on the second support 11, one end of the third guide rod 74 is fixedly connected with the bottom plate 71, the other end of the third guide rod is slidably arranged in the third guide sleeve 76, a piston rod of the splicing air cylinder 75 faces the welding head assembly 6, the bottom plate 71 is fixedly connected with a piston rod of the splicing air cylinder 75, the linear sliding rail 72 is fixedly arranged on the bottom plate 71, the linear sliding block 73 is driven by a translation air cylinder 77 to slide along the linear sliding rail 72, the pattern roller 70 is rotatably arranged on the linear sliding block 73 through a roller seat 78, and the pattern roller 70 rolls along the length direction of the flat welding head 60;

as shown in fig. 1, the adsorption assembly is located between the pressing and cutting assembly and the welding head assembly 6, and is used for adsorbing the strip materials to be spliced; specifically, the adsorption assembly comprises an air suction box 40, the air suction box 40 is fixed on each of the first support 10 and the second support 11, a hollow cavity, an air suction port 401 and a plurality of adsorption holes 402 which are respectively communicated with the hollow cavity are formed in each air suction box 40, the adsorption holes 402 are formed in the opposite surfaces of the two air suction boxes 40, and the hollow cavity is connected with a negative pressure air source through the air suction port 401, so that the adsorption holes 402 adsorb the strip materials to be spliced, the two strip materials to be spliced are effectively prevented from being wound, the strip materials to be spliced are ensured to be located at the splicing position, preparation is made for the welding head assembly 6 and the knurled assembly 7 to be matched with and splice the strip materials, the splicing is ensured to be smoothly performed, the splicing success rate is ensured, the splicing efficiency and reliability of the splicing mechanism are improved, and the shutdown risk is reduced;

as shown in fig. 1, in order to facilitate the input or output of the splicing mechanism for the strip-shaped materials, an inlet tension pulley 8 is fixed on each of the first support 10 and the second support 11, the central axis of the inlet tension pulley 8 is perpendicular to the moving direction of the fixing plate 30, the inlet tension pulley 8 is located at the inlet of the strip-shaped materials of the disposable hygienic product above the space between the pressure plate 32 and the fixed knife plate 2, as shown in fig. 6-1 to 6-6, the two inlet tension pulleys 8 respectively convey the material rolls of the strip-shaped materials at one station, the material rolls at the two stations are alternately used as an uncoiling material 101 and a material 102 to be uncoiled, and when the uncoiling material 101 at one station is used up, a new material 102 to be uncoil; an outlet tension wheel 9 is fixed on the machine base 1, and the outlet tension wheel 9 is positioned below the knurling component 7.

As shown in fig. 1, in order to facilitate the installation of the strip-shaped material to the splicing mechanism, a bottom rail 12 is further installed at the bottom of the machine base 1, the first support 10 and the second support 11 are both slidably connected to the bottom rail 12 through a bottom slider 13, the bottom slider 13 is driven by a bottom cylinder 14 to slide, and the sliding directions of the first support 10 and the second support 11 are parallel to the moving direction of the fixing plate 30.

As shown in fig. 6-1 and 6-4, both in the normal unwinding operating state, as shown in fig. 6-2 and 6-5, when the unwinding material 101 is about to run out during the operation of the machine, the splicing mechanism is used when the material to be unwound 102 is switched to without stopping the machine;

as shown in fig. 6-1 to 6-6, the splicing mechanism works as follows:

first action phase (left side to splice material preparation): when the uncoiling material 101 on the right side is normally conveyed, the material 102 to be uncoiled on the left side needs to be prepared in the splicing mechanism; 6-6, when the left material to be unwound 102 is replaced and installed, the left side of the splicing mechanism is opened by sliding the first support 10, leaving enough operating space; as shown in fig. 6-1, the left joint of the material 102 to be uncoiled is drawn into the splicing mechanism, the left joint of the material 102 to be uncoiled is absorbed by the suction box 40 on the first support 10, the joint must exceed the flat welding head 60, and the left side of the splicing mechanism is closed by sliding the first support 10;

second action phase (left side to splice material splice): as shown in fig. 6-2, after a certain period of operation, when the right-side unwinding material 101 needs to be changed, the right-side unwinding material 101 stops moving, the material pressing cylinder 36 on the second support 11 drives the material pressing plate 32 to press the strip-shaped material of the unwinding material 101 onto the stationary knife plate 2, and at this time, the blade 31 cuts the strip-shaped material at the cutting edge passage 20 easily; meanwhile, the splicing cylinder 75 drives the pattern roller 70 to press the strip-shaped material of the uncoiling material 101 onto the flat welding head 60, the strip-shaped material of the uncoiling material 101 and the strip-shaped material of the material 102 to be uncoiled are pressed between the flat welding head 60 and the pattern roller 70, the translation cylinder 77 pushes the pattern roller 70 to roll over two layers of strip-shaped materials, the two layers of strip-shaped materials clamped in the middle are welded together by vibration energy released when the pattern roller is contacted with the flat welding head 60, then the splicing cylinder 75 and the pressing and cutting cylinder 36 on the second support 11 are reset to complete the splicing process of the two layers of strip-shaped materials, and the material 102 to be uncoiled on the left side is converted into the uncoiling material;

third action phase (right side to splice material preparation): as shown in fig. 6-3, the spent tail material on the right side is removed and then, as shown in fig. 6-4, the material to be unwound 102 is replaced on the right side with reference to the first phase of the operation;

fourth action stage (splicing of materials to be spliced on right side): as shown in fig. 6 to 5, with reference to the second motion stage step, the left unwinding material 101 to be used up is continuously conveyed while being spliced and switched to the right unwinding material 102.

And then, the first action stage, the second action stage, the third action stage and the fourth action stage are always circulated, and the material rolls on the left side and the right side are alternately uncoiled.

Example 2

As shown in fig. 7 and 8, in the present embodiment, the difference from embodiment 1 is that the knurl assembly 7 and the welding head assembly 6 have different structures, specifically, the knurl assembly 7 includes a bottom plate 71, a third guide rod 74 and an elongated pattern template 79, a splicing air cylinder 75 and a third guide sleeve 76 are fixed on the first support 10, one end of the third guide rod 74 is fixedly connected with the bottom plate 71, the other end thereof is slidably disposed in the third guide sleeve 76, a piston rod of the splicing air cylinder 75 faces the welding head assembly 6, the bottom plate 71 is fixedly connected with a piston rod of the splicing air cylinder 75, and the pattern template 79 is fixed on the bottom plate 71; the welding head assembly 6 comprises a roller welding head 61, a linear slide rail 72 and a linear slide block 73, the linear slide rail 72 is fixedly arranged on the first support 10, the linear slide block 73 is driven by a translation cylinder 77 to slide along the linear slide rail 72, the roller welding head 61 is rotatably arranged on the linear slide block 73 through a wheel seat 78, and the roller welding head 61 rolls along the length direction of the pattern template 79.

Claims (9)

1. The utility model provides a splicing mechanism of disposable hygienic articles which characterized in that: the automatic cutting machine comprises a machine base (1), wherein a first support (10) and a second support (11) are arranged on the machine base (1) in a bilateral symmetry mode, a fixed cutter plate (2) is fixed above the machine base (1), the fixed cutter plate (2) is located between the first support (10) and the second support (11), and a pressing and cutting component and an adsorption component are arranged on each of the first support (10) and the second support (11);

the pressing and cutting assembly comprises a fixing plate (30) which stretches and retracts along the direction close to and far away from the fixed cutter plate (2), a blade (31) is fixed on the fixing plate (30), a cutting edge channel (20) corresponding to the position of the blade (31) is arranged on the fixed cutter plate (2), a pressing plate (32) which is matched with the fixed cutter plate (2) to press materials is further arranged on the fixing plate (30), the pressing plate (32) slides on the fixing plate (30) along the stretching direction of the fixing plate (30), and a spring (33) used for resetting the pressing plate (32) is connected between the pressing plate (32) and the fixing plate (30);

an ultrasonic transmitter (5) is arranged below the first support (10), a welding head assembly (6) is arranged at the end part of the ultrasonic transmitter (5), a knurling assembly (7) which stretches and retracts along the direction close to and far away from the welding head assembly (6) is arranged below the second support (11) and opposite to the welding head assembly (6), and the welding head assembly (6) and the knurling assembly (7) slide relatively in the width direction of the strip materials to be spliced; the adsorption assembly is positioned between the pressing and cutting assembly and the welding head assembly (6) and is used for adsorbing the strip materials to be spliced.

2. The splicing mechanism for disposable hygienic articles according to claim 1, wherein: the horn assembly (6) comprises an elongated flat horn (60); the knurling component (7) comprises a pattern roller (70), a bottom plate (71), a linear slide rail (72), a linear slide block (73) and a third guide rod (74), a splicing air cylinder (75) and a third guide sleeve (76) are fixed on the second support (11), one end of the third guide rod (74) is fixedly connected with the bottom plate (71), the other end of the connecting rod is arranged in a third guide sleeve (76) in a sliding way, a piston rod of the splicing air cylinder (75) faces to the welding head assembly (6), the bottom plate (71) is fixedly connected with a piston rod of the splicing air cylinder (75), the linear slide rail (72) is fixedly arranged on the bottom plate (71), the linear sliding block (73) is driven by a translation cylinder (77) to slide along a linear sliding rail (72), the pattern roller (70) is rotationally arranged on the linear sliding block (73) through a roller seat (78), and the patterned roller (70) rolls along the length direction of the flat welding head (60).

3. The splicing mechanism for disposable hygienic articles according to claim 1, wherein: the knurling assembly (7) comprises a bottom plate (71), a third guide rod (74) and a strip-shaped pattern template (79), a splicing air cylinder (75) and a third guide sleeve (76) are fixed on the first support (10), one end of the third guide rod (74) is fixedly connected with the bottom plate (71), the other end of the third guide rod is arranged in the third guide sleeve (76) in a sliding mode, a piston rod of the splicing air cylinder (75) faces the welding head assembly (6), the bottom plate (71) is fixedly connected with a piston rod of the splicing air cylinder (75), and the pattern template (79) is fixed on the bottom plate (71); the welding head assembly (6) comprises a roller welding head (61), a linear sliding rail (72) and a linear sliding block (73), the linear sliding rail (72) is fixedly arranged on the first support (10), the linear sliding block (73) is driven by a translation cylinder (77) to slide along the linear sliding rail (72), the roller welding head (61) is rotatably arranged on the linear sliding block (73) through a wheel seat (78), and the roller welding head (61) rolls along the length direction of the pattern template (79).

4. The mechanism for splicing disposable hygienic articles according to claim 1, 2 or 3, wherein: the cutting device is characterized in that a first guide pillar (34) is fixed on the fixing plate (30), material pressing and cutting air cylinders (36) are fixed on the first support (10) and the second support (11), piston rods of the material pressing and cutting air cylinders (36) face the fixed cutter plate (2), the piston rods of the material pressing and cutting air cylinders (36) are fixedly connected with the fixing plate (30), and first guide sleeves (35) matched with the first guide pillars (34) are fixed on the first support (10) and the second support (11).

5. The mechanism for splicing disposable hygienic articles according to claim 1, 2 or 3, wherein: the two sides of the blade (31) are respectively provided with the pressure plate (32), a pressure rod (37) is fixed on the pressure plate (32), a second guide sleeve (38) is fixed on the fixing plate (30), the pressure rod (37) slides in the second guide sleeve (38), the spring (33) is sleeved on the pressure rod (37), and the spring (33) is arranged between the second guide sleeve (38) and the pressure plate (32); the corresponding pressure plates (32) are connected with the fixing plate (30) through two mutually parallel pressure rods (37).

6. The mechanism for splicing disposable hygienic articles according to claim 1, 2 or 3, wherein: the adsorption component comprises an air suction box (40), the first support (10) and the second support (11) are fixedly provided with the air suction box (40), the air suction box (40) is provided with a hollow cavity, and an air suction port (401) and a plurality of adsorption holes (402) which are respectively communicated with the hollow cavity, and the adsorption holes (402) are arranged on two opposite surfaces of the air suction box (40).

7. The mechanism for splicing disposable hygienic articles according to claim 1, 2 or 3, wherein: an inlet tension wheel (8) is fixed on each of the first support (10) and the second support (11), the central axis of the inlet tension wheel (8) is perpendicular to the moving direction of the fixing plate (30), and the inlet tension wheel (8) is positioned at the inlet of a disposable sanitary product belt-shaped material above the space between the material pressing plate (32) and the fixed cutter plate (2).

8. The mechanism for splicing disposable hygienic articles according to claim 1, 2 or 3, wherein: an outlet tension wheel (9) is fixed on the machine base (1), and the outlet tension wheel (9) is located below the knurling assembly (7).

9. The mechanism for splicing disposable hygienic articles according to claim 1, 2 or 3, wherein: bottom track (12) are still installed to frame (1) bottom, first support (10) and second support (11) all through bottom slider (13) sliding connection on bottom track (12), bottom slider (13) are by bottom cylinder (14) drive slip, the slip direction of first support (10) and second support (11) and the direction of motion of fixed plate (30) are parallel to each other.

Images