CN219595000U - Quick-drying absorbent core production line - Google Patents

Abstract

The utility model relates to the field of disposable sanitary product production equipment, in particular to a quick-drying absorbent core production line which is suitable for preparing absorbent cores with high absorption efficiency and has high production efficiency.

Description

Quick-drying absorbent core production line

Technical Field

The utility model relates to the field of disposable sanitary product production equipment, in particular to a quick-drying absorbent core production line.

Background

The absorbent core is widely used in nursing absorbent articles such as paper diapers and sanitary napkins. The traditional absorption core is formed by mixing wood pulp fiber and a high-molecular water-absorbing resin material and coating the wood pulp fiber and the high-molecular water-absorbing resin material by a non-woven fabric, so that the absorption core has the problems of easy lump formation and breakage in the use process, has larger thickness and poorer air permeability, and reduces the comfort of a user.

At present, a relatively wide-ranging absorption core body is formed by sandwiching a high-molecular water-absorbing resin material between two layers of non-woven fabrics or three layers of non-woven fabrics, wherein the high-molecular water-absorbing resin material is spread on the upper surface of one layer of non-woven fabrics, and the other layer of non-woven fabrics is compounded by glue spraying.

Thus, the present inventors have developed a core production line suitable for preparing an absorbent core with high absorption efficiency and high production efficiency.

Disclosure of Invention

Accordingly, in view of the above problems, the present utility model provides a quick-drying absorbent core production line suitable for producing an absorbent core having high absorption efficiency and high production efficiency.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a quick dry absorption core production line that feels dry, includes controlling means, upper non-woven fabrics unreeling device, first glue applying device, middle level non-woven fabrics unreeling device, polymer material unloader, unsmooth roller composite unit, lower floor non-woven fabrics unreeling device, second glue applying device, left side ultrasonic welding device, right side ultrasonic welding device and location mark attachment device, the output of upper non-woven fabrics unreeling device is located to first glue applying device, polymer material unloader locates the output of middle level non-woven fabrics unreeling device, first glue applying device, the output of lower floor non-woven fabrics unreeling device is located to second glue applying device, unsmooth roller composite unit has indent district, unloading district and the pressfitting district that distributes in proper order according to the assembly line, unsmooth roller composite unit locates polymer material unloader's output, and the pressfitting district distributes in second glue applying device's output, left side ultrasonic welding device locates the output of unsmooth roller composite unit, right side ultrasonic welding device locates the output of unsmooth roller composite unit, location mark attachment device.

Further, unsmooth roller composite device includes the frame, locates actuating mechanism, drive mechanism, unloading storehouse, unloading roller, base roller, protruding roller, compression roller in the frame, the lower extreme of unloading storehouse has the feed opening, the feed opening downside is located to the unloading roller, the downside of unloading roller is located to the base roller, be equipped with a plurality of recess and arc recess on the base roller, each the bottom of recess is equipped with the absorption hole, be equipped with the runner with each absorption hole intercommunication on the base roller, be equipped with the distribution dish with the runner intercommunication on the base roller, protruding roller, compression roller are located the week side of base roller respectively, actuating mechanism passes through drive mechanism drive unloading roller, base roller, protruding roller, compression roller rotation.

Further, the transmission mechanism comprises a first driving sprocket arranged on the driving mechanism, a first driven sprocket arranged on the bottom roller, a second driven sprocket arranged on the press roller, a second driving sprocket arranged on the press roller, a third driven sprocket arranged on the blanking roller, a driving gear arranged on the bottom roller and a driven gear arranged on the convex roller, a first chain is wound on the first driving sprocket, the first driven sprocket and the second driven sprocket, a second chain is wound on the second driving sprocket and the third driven sprocket, and the driving gear is meshed with the driven gear.

Further, a tensioning chain wheel is arranged on the frame and located on the periphery of the second chain and used for tensioning the second chain.

Further, the bottom roller comprises a rotating shaft arranged on the frame through a bearing, and a roller body sleeved on the rotating shaft, the grooves are distributed on the circumferential outer surface of the roller body, the flow channels are arranged on the roller body and circumferentially distributed on one axial end surface of the roller body, the flow channels are distributed along the axial direction of the rotating shaft, a row of adsorption holes in the axial direction of the roller body are communicated with the same flow channel, and the air distribution disc is communicated with each flow channel.

Further, the two axial ends of the convex roller are arranged on the frame through the first bearing seat, a first guide groove for the first bearing seat to slide is formed in the frame, and a first driving cylinder for driving the first bearing seat to slide is arranged on the frame.

Further, the two sides of the axial connection of the press roller are arranged on the frame through the second bearing seat, a second guide groove for the second bearing seat to slide is arranged on the frame, and a second driving cylinder for driving the second bearing seat to slide is arranged on the frame.

Further, the positioning mark attaching device is an ink jet device or a positioning hole punching device.

Further, locating hole perforating device is including punching the frame, punching roller, backing roll, two bolster bearing frames, first adjusting part and second adjusting part, the axial both ends of punching the roller are located on the frame through the bolster bearing frames, the roller of punching is including punching the pivot, locating the epaxial roll body of punching, detachably locate the annular cutter on the roll body of punching, the transversal circular structure of personally submitting of annular cutter, the axial both ends of backing roll are located on the frame of punching through the bolster bearing frames to the backing roll distributes in the downside of punching the roller, the upper end of punching the frame is located to first adjusting part for adjust the clamp force of punching the roller, between bolster bearing frames and the bolster bearing frames are located to the second adjusting part for adjust the interval between punching roller and the backing roll, be equipped with the absorption cover on the frame of punching, the absorption cover has air inlet and gas outlet, the air inlet distributes in the week side of punching the roller.

Further, left side ultrasonic welding device, right side ultrasonic welding device all include support frame, welding roller, two foundation rollers, two welding components, driving motor, compress tightly adjusting part and gap adjusting part, the axial both ends of welding roller are located on the support frame through the third bearing frame, two the axial one end of foundation roller is located on the support frame through the fourth bearing frame respectively to distribute in the downside of welding roller, two the foundation roller is coaxial to be set up, and distributes in the axial both sides of foundation roller, two welding part locates the free end of foundation roller respectively, driving motor is connected with the foundation roller drive through drive assembly respectively, compress tightly the upper end of adjusting part and locate the support frame for adjust the clamp force of welding roller, gap adjusting part locates between third bearing frame and the fourth bearing frame.

By adopting the technical scheme, the utility model has the beneficial effects that: this quick dry absorption is comfortable to absorb core production line, prepare the intermediate clamp polymer resin material that absorbs water of three-layer non-woven fabrics layer and form ultra-thin absorption core, and to the setting mode of the polymer resin material that absorbs water in the core, make the water absorption efficiency of this absorption core high, use comfortablely, simultaneously, have the indent district that distributes in proper order according to the assembly line through unsmooth roller composite device, unloading district and pressfitting's setting structure, the technological mode of gathering unloading, indent and pressfitting, improve the compactedness of product, synchronization equipment operation that can be better, the accuracy and the production efficiency of strip preparation, and separate welding shaping through left side ultrasonic welding device that sets up, right side ultrasonic welding device realizes the welding seam of product under faster transmission speed, improve product quality, and further promote equipment production efficiency.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present utility model;

FIG. 2 is a schematic structural diagram of a polymeric material blanking device according to an embodiment of the present utility model;

FIG. 3 is a schematic perspective view of a composite apparatus of a concave-convex roller according to an embodiment of the present utility model;

FIG. 4 is a schematic left-hand view of a gravure roll compounding device in an embodiment of the present utility model;

FIG. 5 is an enlarged view of a portion of FIG. 4 at A;

FIG. 6 is a schematic cross-sectional view of a bottom roller and an air distribution plate of a gravure roll compounding device in an embodiment of the present utility model;

FIG. 7 is a schematic cross-sectional view of another view of the bottom roll of the embossing roll composite device in accordance with an embodiment of the present utility model;

FIG. 8 is a schematic cross-sectional view of another view of a distribution plate of a gravure roll compounding device in an embodiment of the present utility model;

fig. 9 is a schematic perspective view of a left ultrasonic welding apparatus or a right ultrasonic welding apparatus according to an embodiment of the present utility model;

FIG. 10 is a schematic front view of the left-side ultrasonic welding apparatus or the right-side ultrasonic welding apparatus according to the embodiment of the present utility model;

FIG. 11 is a schematic front view of a positioning hole punching device according to an embodiment of the present utility model;

FIG. 12 is a schematic left-hand view of a pilot hole perforating device in accordance with an embodiment of the present utility model;

FIG. 13 is a schematic view showing a partially cut-away structure of a punching roller of a pilot hole punching device in accordance with an embodiment of the present utility model;

FIG. 14 is an enlarged view of a portion of FIG. 13 at C;

FIG. 15 is a schematic view of the configuration of the guide slot and slide block cooperation of the pilot hole punching device according to the embodiment of the present utility model;

FIG. 16 is a schematic cross-sectional view of the structure at B-B in FIG. 15;

fig. 17 is a schematic cross-sectional view of a blanking roller or a first blanking roller in an embodiment of the present utility model.

Detailed Description

The utility model will now be further described with reference to the drawings and detailed description.

The embodiment of the utility model comprises the following steps:

referring to fig. 1, a quick-drying absorbent core production line comprises a control device, an upper layer nonwoven fabric unreeling device 100, a first sizing device 200, a middle layer nonwoven fabric unreeling device 300, a high polymer material discharging device 400, a concave-convex roller compound device 500, a lower layer nonwoven fabric unreeling device 600, a second sizing device 700, a left side ultrasonic welding device 800, a right side ultrasonic welding device 900 and a positioning mark attaching device, wherein the first sizing device 200 is arranged at the output end of the upper layer nonwoven fabric unreeling device 100, the high polymer material discharging device 400 is arranged at the output end of the middle layer nonwoven fabric unreeling device 300 and the first sizing device 200, the second sizing device 700 is arranged at the output end of the lower layer nonwoven fabric unreeling device 600, the concave-convex roller compound device 500 is provided with a pressing groove area, a discharging area and a pressing area which are sequentially distributed according to the production line, the concave-convex roller compound device 500 is arranged at the output end of the high polymer material unreeling device 400, the second sizing device 700 is arranged at the output end of the right side ultrasonic welding device 900, the pressing groove area is distributed at the output end of the high polymer material unreeling device 400, the pressing area is arranged at the output end of the second sizing device 200, the ultrasonic welding device 800 is arranged at the right side ultrasonic welding device 900, and the positioning mark attaching device 900 is arranged at the output end of the ultrasonic welding device 900.

The material unwound by the middle-layer non-woven fabric unwinding device 300 is hydrophilic non-woven fabric or bulked non-woven fabric.

This quick-drying and refreshing absorption core production line prepares three-layer non-woven fabrics layer centre and presss from both sides the macromolecular absorbent resin material and form ultra-thin absorption core to the setting mode to the macromolecular absorbent resin material in the absorption core, make the water absorption efficiency of this absorption core high, use comfortablely, simultaneously, through unsmooth roller composite device 500 have according to the indent district that the assembly line distributes in proper order, unloading district and the arrangement structure of pressfitting district, the aggregate unloading, the technological mode of indent and pressfitting improves the compactedness of product, synchronization equipment operation that can be better, the accuracy and the production efficiency of strip preparation, and through the left side ultrasonic welding device 800 of setting, the separate welding shaping of right side is realized to right side ultrasonic welding device 900, can realize the welded seam of product under faster transmission speed, improve product quality, and further promote equipment production efficiency.

Specifically, the macromolecule water-absorbing resin material is periodically added on the upper surface and the lower surface of the bulked non-woven fabric, so that the water absorption capacity of the prepared absorbent core body is increased stepwise from one longitudinal end to the other longitudinal end and then reduced stepwise, namely, the macromolecule water-absorbing resin content at the two longitudinal sides of the absorbent core body is reduced, further, the cost is reduced, the macromolecule water-absorbing resin material is embedded in the pores of the bulked non-woven fabric for limiting and fixing in the transmission shaking of the bulked non-woven fabric, meanwhile, the distribution characteristic of the macromolecule water-absorbing resin material content in the single absorbent core body is maintained, the macromolecule water-absorbing resin material is intensively distributed in the longitudinal middle area of the absorbent core body, the preferential absorption effect is realized, the production cost is reduced while the absorption efficiency is improved, the quick absorption effect is realized, and meanwhile, after the bulked non-woven fabric and the upper non-woven fabric are glued in a compound mode, pressing to form a diversion trench, and fixedly connecting an upper non-woven fabric, a bulked non-woven fabric and a lower non-woven fabric in the longitudinal middle area of the diversion trench in a hot pressing or ultrasonic welding mode after compositing the lower non-woven fabric, so that material deflection during pressing of the diversion trench can be avoided, pressing accuracy is improved, a welding area on the diversion trench can keep a good diversion trench structure after absorbing a large amount of liquid, a good diversion effect is provided, absorption speed of a product is improved, viscose compositing mode is realized at two longitudinal ends of the diversion trench, an expansion buffer space is provided when water absorption expansion of a high-molecular water absorption resin material is overlarge, and the upper non-woven fabric, the lower non-woven fabric and the bulked non-woven fabric are separated, so that the water absorption expansion of the high-molecular water absorption resin material at the periphery of the area can be further improved, and further the water absorption capacity is improved; or realize first connection through the viscose of upper non-woven fabrics and middle level non-woven fabrics, then be connected with the bottom secondary through the connection district of heat pressing mode with the storage tank week edge and distribute in the vertical middle part regional surface course of guiding gutter and bottom secondary connection, can keep the distribution homogeneity of polymer water absorbent resin material, improve absorption volume and absorption homogeneity, and then improve quick suction efficiency.

In this embodiment, referring to fig. 2, the polymer material blanking device 400 includes a first blanking bin 401, a first blanking roller 402 disposed at the lower side of the first blanking bin 401, and a smooth roller 403 disposed at the lower side of the first blanking roller 402, where the middle layer of non-woven fabric is paved through a gap between the first blanking roller 402 and the smooth roller 403 and is wound on the smooth roller 403 to be compounded with the upper layer of non-woven fabric, so that the friction force between the bulk non-woven fabric and the smooth roller 403 can be improved, and the tension force of the upper side non-woven fabric and the bulk non-woven fabric can be improved, so that the compounding between the two is facilitated, the setting of pressing through a pressing area in a traditional production line is omitted, the production line is simplified, the cost is reduced, and the production efficiency is improved.

Referring to fig. 3, fig. 4 and fig. 5, the embossing roller composite device 500 includes a frame 501, a driving mechanism 502 disposed on the frame 501, a transmission mechanism 503, a discharging bin 504, a discharging roller 505, a bottom roller 506, a convex roller 507 and a pressing roller 508, the driving mechanism 502 is a driving motor, a discharging opening is disposed at the lower end of the discharging bin 504, the discharging roller 505 is disposed at the lower side of the discharging opening, the bottom roller 506 is disposed at the lower side of the discharging roller 505, a plurality of grooves 561 and arc grooves are disposed on the bottom roller 506, adsorption holes 562 are disposed at the bottom of each groove 561, a runner 563 communicating with each adsorption hole 562 is disposed on the bottom roller 506, a distribution disc 540 communicating with the runners 563 is disposed on the bottom roller 506, the convex roller 507 and the pressing roller 508 are disposed at the peripheral side of the bottom roller 506, the driving mechanism 502 drives the discharging roller 505, the bottom roller 506, the convex roller 507 and the pressing roller 508 to rotate through the transmission mechanism 503, and the convex roller 507 is provided with arc ribs 571 and/or arc protrusions 571 and arc grooves are disposed on the convex roller 507.

Specifically, the transmission mechanism 503 includes a first driving sprocket (not shown in the drawing) disposed on the driving mechanism 502, a first driven sprocket 531 disposed on the bottom roller 506, a second driven sprocket 532 disposed on the press roller 508, a second driving sprocket 533 disposed on the press roller 508, a third driven sprocket 534 disposed on the blanking roller 5055, a tensioning sprocket 535 disposed on the frame 501, a driving gear 536 disposed on the bottom roller 506, and a driven gear 537 disposed on the convex roller 507, wherein a first chain is wound on the first driving sprocket, the first driven sprocket 531, and the second driven sprocket 532, a second chain is wound on the second driving sprocket 533, the third driven sprocket 534, and the tensioning sprocket 535, and the driving gear 536 is meshed with the driven gear 537.

The two axial ends of the convex roller 507 are disposed on the frame 501 through a first bearing seat 509, a first guide groove 510 for the first bearing seat 509 to slide is provided on the frame 501, the frame 501 is provided with a first driving cylinder 511 for driving the first bearing seat 509 to slide, the two axial sides of the press roller 508 are disposed on the frame 501 through a second bearing seat 512, a second guide groove 513 for the second bearing seat 512 to slide is provided on the frame 501, and a second driving cylinder 514 for driving the second bearing seat 512 to slide is provided on the frame 501.

Specifically, referring to fig. 6 and 7, the bottom roller 506 includes a rotating shaft 564 disposed on the frame 501 through a bearing, and a roller body 565 sleeved on the rotating shaft 564, the grooves 561 are disposed on the circumferential outer surface of the roller body 565, the flow channels 563 are disposed on the roller body 565 and circumferentially disposed on an axial end surface of the roller body 565, each flow channel 563 is disposed along the axial direction of the rotating shaft 564, a row of adsorption holes 562 disposed in the axial direction of the roller body 565 are communicated with the same flow channel 563, the air distribution disc 540 is communicated with each flow channel 563, and when in use, the air distribution disc 540 is connected with an external air pump, and the flow velocity of each flow channel 563 is controlled through the air distribution disc 540, so as to control the negative pressure adsorption force of the adsorption holes 562 communicated with the air distribution disc, and further control the amount of the high polymer water absorbent resin material in the grooves 561, so that the gram weight of the high polymer water absorbent resin material in the formed absorbent core along the length direction of the formed absorbent core can exhibit linear or nonlinear change, thereby improving the performance of the product and simultaneously reducing the production cost.

However, when the gram weight of the high molecular water absorbent resin material in the longitudinal direction of the absorbent core body changes linearly or nonlinearly, a plurality of air distribution cavities 541 in the air distribution tray 540 are required to be communicated with the flow channels 563, and the strong pressures in the air distribution cavities 541 are required to be controlled respectively, so that the complexity of the air distribution tray 540 is improved, and therefore, the following way is adopted: the bottom roller 506 further comprises a connecting sleeve 566, a relief groove 567 is formed in the outer surface of the connecting sleeve 566, the relief groove 567 is distributed along the axial direction of the connecting sleeve 566, the connecting sleeve 566 is distributed between a rotating shaft 564 and a roller body 565, baffle rings 568 are arranged at two axial ends of the connecting sleeve 566 and are used for abutting against the inner surface of the roller body 565, so that a cavity 569 is formed by the connecting sleeve 566, the roller body 565 and the two baffle rings 568, the thickness dimension of the cavity 569 is gradually reduced from the middle part to two sides, two driving gears 536 are distributed at two axial ends of the roller body 565, the driving gears 536 are fixedly arranged on the rotating shaft 564 and fixedly connected with the roller body 565, the connecting sleeve 566 is fixedly connected with the rotating shaft 564, first connecting holes 581 which are respectively communicated with the flow passages 563 and second connecting holes 582 which are respectively communicated with the cavity 569 are formed in the roller body 565, and the first connecting holes 581 and the second connecting holes 582 are respectively connected with the air distribution disc 540.

By the above design, distribution of the air distribution cavity 541 in the air distribution disc 540 can be reduced, structural complexity of the air distribution disc 540 can be reduced, specifically, the same air distribution cavity 541 on the air distribution disc 540 is communicated with a plurality of adjacent channels 563 and is communicated with the cavity 569, so that gas flows are formed by the adsorption holes 562, the channels 563, the third connecting holes 583 and the cavity 569, and as thickness dimensions of the cavity 569 are gradually reduced from the middle to two sides, that is, sectional areas of the cavity 569 are gradually reduced from the middle to two ends, gas flow areas of all areas are changed, the flow area of the cavity 569 in the middle is larger, after gas enters through the adsorption holes 562, one part enters the air distribution disc 540 through the channels 563, the other part enters the cavity 569 through the third connecting holes 583, and then enters the air distribution disc 540, and flow area difference among the cavities 569 is changed, so that flow velocity of the adsorption holes 562 in different channels 562 is changed, and accordingly, the high molecular weight water absorbent resin in the length direction of the absorbent core is changed in a nonlinear manner.

Referring to fig. 6 and 8, the air distribution disc 540 includes a base 542 fixed on the rotating shaft 564, a connecting seat 543 rotatably disposed on the base 542, a side wall 544 disposed on the connecting seat 543, side baffles 545 fixedly connected with the two side walls 544 and a cover 546 disposed on the side baffles 545, a first air outlet 547 is disposed on the cover 546, two air chambers are formed by the side baffles 545, the side walls 544 and the connecting seat 543, an arc-shaped partition plate 548 is disposed in the air chambers to divide the air chambers into an upper air chamber 549 and a lower air chamber 550, a first through hole 584 and a second through hole 585 which are respectively communicated with the flow channel 563 and the cavity 569 are disposed on the side wall 544, the first air outlet 547 is communicated with the upper air chamber 549, and a second air outlet 551 is disposed on the side wall 544 and is communicated with the lower air chamber 550.

Meanwhile, at least two second partition plates 552, preferably four, are arranged on the upper air cavity 549, the upper air cavity 549 is divided into a plurality of air distribution cavities 541, each air distribution cavity 541 is provided with a cover plate 553, each cover plate 553 is provided with an opening, the opening is provided with an adjusting valve 554, the negative pressure of each air distribution cavity 541 is adjusted through the adjusting valve 554, and the design is adopted, so that each air distribution cavity 541 on the lower cavity 550 and the upper cavity 549 can be independently adjusted, the change of the negative pressure adsorption force communicated with the runner 563 is realized, the accurate adjustment is realized, and the product quality is further improved.

The regulator valve 554 is a commercially available air flow valve.

In this embodiment, the guide roller 515 is disposed between the pressing roller 508 and the blanking roller 505 on the circumferential side of the bottom roller 506, so that the material can be better guided between the pressing roller 8 and the bottom roller 6, and the stability of conveying the material is improved.

The blanking bin 504, the blanking roller 505, the convex roller 507, the bottom roller 506 and the press roller 508 are arranged on the same frame 501, the blanking roller 505, the convex roller 507 and the press roller 508 are annularly arranged on the periphery of the bottom roller 506 through the centers of the bottom roller 506, and are matched with the bottom roller 506, so that the equipment is compact in structure; or the bulk non-woven fabric is clamped and input through the matching of the convex roller 507 and the bottom roller 506, and the bulk non-woven fabric is extruded out of the diversion trench, so that the high polymer water-absorbent resin material is fixed in a gap of the bulk non-woven fabric through matching with an adsorption hole on the bottom roller 506 in the discharging process of the high polymer water-absorbent resin material, the filling uniformity is kept, the quality of a product is good, the upper non-woven fabric or the lower non-woven fabric is compounded with the bulk non-woven fabric through the compression roller, the use is convenient, and meanwhile, the synchronous operation of the discharging roller 505, the bottom roller 506, the convex roller 507 and the compression roller 508 is kept through a transmission mechanism, the debugging process is omitted, the running speed of equipment is further improved, and the processing efficiency is greatly improved; further, the pressing force between the convex roller 507 and the bottom roller 506 and the pressing force between the pressing roller 508 and the bottom roller 506 can be adjusted through the first driving cylinder and the second driving cylinder, and the convex roller and the smooth roller can be replaced conveniently.

It should be noted that the pressing roller 508 may be used to implement compounding of materials by pre-spraying or scraping glue, or may be used to implement thermal compression by providing a heating device on the pressing roller for heating.

Meanwhile, a cover 520 is arranged between the convex roller 507 and the blanking roller 505 at the peripheral side of the bottom roller 506 and is matched with the adsorption holes 562 on the bottom roller 506, so that the uniform blanking effect of the high-molecular water-absorbent resin material can be realized.

Referring to fig. 9 and 10, the left side ultrasonic welding apparatus 800 and the right side ultrasonic welding apparatus 900 each include a support frame 801, a welding roller 802, two bottom rollers 803, two welding assemblies 804, a driving motor (not shown in the drawings), a pressing adjusting assembly 806 and a gap adjusting assembly 807, wherein two axial ends of the welding roller 802 are disposed on the support frame 801 through a third bearing seat 810, one axial ends of the two bottom rollers 803 are disposed on the support frame 1 through a fourth bearing seat 820 and are distributed on the lower side of the welding roller 802, the two bottom rollers 803 are coaxially disposed and are distributed on two axial sides of the bottom rollers 803, the two welding assemblies 804 are disposed on free ends of the bottom rollers 803, the driving motor is in driving connection with the bottom rollers 803 through a transmission assembly 808, the pressing adjusting assembly is disposed on the upper end of the support frame 801, and is used for adjusting the pressing force of the welding roller 802, and the gap adjusting assembly 807 is disposed between the third bearing seat 810 and the fourth bearing seat 820.

The welding can be realized through one set of ultrasonic welding device according to the area of a seaming area of a product, the thickness of the product and the condition of the conveying speed of the product, or the welding can be realized through the joint cooperation of two sets of ultrasonic welding devices, specifically, the driving motor drives the two bottom rollers 803 to synchronously rotate with the welding roller 802 through the transmission component 808, and the welding roller 802 and the two bottom rollers 803 realize welding and seaming operation through starting one welding component 804 or two welding components 804 to work, when starting one welding component 804, the bottom rollers 803 connected with the starting welding component 804 realize welding and seaming operation with the welding roller 802, and the other bottom roller 803 realizes clamping transmission function with the welding roller 802, thereby realizing single-side welding and seaming, and then realizing welding and seaming of the other side through the cooperation of the other ultrasonic welding device, thereby adapting to the welding and seaming with larger thickness and higher speed of the product, and having good seaming firmness and high quality of the product.

Specifically, the pressing adjusting assembly 806 includes a guide slot 861 disposed on the support frame 801 and distributed on two axial sides of the welding roller 802, an air cylinder 862 or a hydraulic cylinder disposed at an upper end of the support frame 801, preferably an air cylinder, a connection seat 863 disposed at an output end of the air cylinder 862 or the hydraulic cylinder, two third bearing seats 810 are respectively disposed in the two guide slots 861, two ends of the connection seat 863 are respectively connected with the two third bearing seats 810, the air cylinder 862 drives the two third bearing seats 810 to move up and down synchronously through the connection seat 863, so as to adjust a pressing force between the welding roller 802 and the bottom roller 803, and the gap adjusting assembly 807 includes an inclined surface 871 disposed on a lower end surface of the third bearing seat 810, a wedge 872 disposed between the third bearing seat 810 and the fourth bearing seat 820, and an adjusting screw 873 rotatably disposed on the support frame 801, the adjusting screw 873 is in threaded connection with the wedge 872, and drives the wedge 872 to move through rotation of the adjusting screw 873, so that the gap between the welding roller 802 and the bottom roller 803 is adjusted by the inclined surface 871 on the wedge 872 and the third bearing seat 810.

A dust suction cover 809 is further provided on the support 801, and suction openings of the dust suction cover 809 are distributed on the periphery of the bottom roller 803, and are used for sucking smoke or scraps generated during welding, so as to maintain the cleanliness of the bottom roller 803; the transmission assembly 808 comprises a rotating shaft 881 rotatably arranged at the lower end of the support frame 801, driving pulleys arranged at two ends of the rotating shaft 881, driven pulleys 882 arranged on the welding assembly 804 and belts wound on the driving pulleys and the driven pulleys 882, the rotating shaft 881 is distributed in parallel with the welding roller 802, a driving motor is connected with the rotating shaft 881, the driving motor drives the rotating shaft 881 to rotate, and the driving pulleys on the rotating shaft 881 drive the driven pulleys 882 and the bottom rollers 803 to rotate so as to realize synchronous rotation of the two separated bottom rollers 803.

Referring to fig. 1 to 16, the positioning hole punching device 1000 includes a punching frame 1001, a punching roller 1002, a supporting roller 1003, two upper bearing seats 1004, two lower bearing seats 1005, a first adjusting component 1006 and a second adjusting component 1007, two axial ends of the punching roller 1002 are disposed on the punching frame 1001 through the upper bearing seats 1004, the punching roller 1002 includes a punching shaft 1021, a punching roller body 1022 disposed on the punching shaft 1021, and a ring-shaped cutter 1023 detachably disposed on the punching roller body 1022, the cross section of the ring-shaped cutter 1023 is in a circular structure, two axial ends of the supporting roller 1003 are disposed on the punching frame 1001 through the lower bearing seats 1005, the supporting roller 1003 is disposed on the lower side of the punching roller 1002, the first adjusting component is disposed on the upper end of the punching frame 1001 and is used for adjusting the pressing force of the punching roller 1002, the second adjusting component 1007 is disposed between the upper bearing seats 1004 and the lower bearing seats 1006 and is used for adjusting the distance between the punching roller 1002 and the supporting roller 1003, an adsorption cover 1008 is disposed on the punching frame 1001, the adsorption cover 1008 has air inlets 1081 and 1082, and the air outlets 1081 are disposed on the periphery of the punching roller 1002.

This locating hole perforating device carries out the centre gripping through the material that drive perforating roller 1002 and backing roll 1003 are rotated and are in between the two to realize punching to the material through the annular cutter 1023 on the perforating roller 1002 and cut, its degree of accuracy that punches is high, and through the mode of continuous conveying, can realize punching under the circumstances of not shutting down, improves production efficiency.

Specifically, the first adjusting component 1006 includes a first adjusting rod 1061 rotatably disposed on the punching frame 1001 along a vertical direction, an external thread disposed at a lower portion of the first adjusting rod 1061, a connecting plate 1062 screwed with the first adjusting rod 1061, a positioning rod 1063 fixedly disposed on the connecting plate 1062 and distributed on two sides of the first adjusting rod 1061, and a compression spring 1064 sleeved on the positioning rod 1063, two ends of the compression spring 1064 respectively abut against the connecting plate 1062 and the upper bearing seat 1004, and the connecting plate 1062 is driven to move up and down by rotating the first adjusting rod 1061, so that a distance between the connecting plate 1062 and the upper bearing seat 1004 is changed, and compression of the compression spring 1064 is adjusted, thereby adjusting a compression force of the punching roller 1002; the second adjusting assembly 1007 includes an inclined surface 1071 provided on the lower end surface of the lower bearing seat 1005, a wedge 1072 provided between the upper bearing seat 1004 and the lower bearing seat 1005, and a second adjusting rod 1073 rotatably provided on the punching frame 1001, the second adjusting rod 1073 is in threaded connection with the wedge 1072, the wedge 1072 is driven to move by rotating the second adjusting rod 1073, and the wedge 1072 cooperates with the inclined surface 1071 on the upper bearing seat 1004 to realize the adjustment of the distance between the punching roller 1002 and the supporting roller 1003.

In this embodiment, be equipped with the recess 1009 on the perforating roller 1022, the lateral wall of recess 1009 is equipped with the guide slot 1010 that is "L" type structure, annular cutter 1023 includes blade holder 10231 and locates blade 1232 on the blade holder 1231, the week side of blade holder 1231 is equipped with along the gliding slider 1233 of guide slot 1010, and, the lower part of guide slot 1010 is equipped with mounting hole 1011, be equipped with spacing spring 1012 and gag lever post 1013 in the mounting hole 1011, the upper end of gag lever post 1013 is the semicircle structure, through embedding blade holder 1231 in recess 1009 to slider 1233 on the blade holder 1231 slides along guide slot 1010, realizes the installation, and through spacing spring 1012 effect gag lever post 1013, through the slip of gag lever post 1013 restriction blade holder 1231, plays auxiliary fixation effect, improves the security, and this design makes annular cutter 1023 can dismantle the change, reduces the use cost of equipment, and the convenience of using is high.

It should be noted that, referring to fig. 17, at least one blanking area 1210 matching with the absorbent core is provided around the first blanking roller 402 and the blanking roller 505, the coverage area of the blanking area 1210 is the area of a single absorbent unit, preferably, the blanking roller 505 or the first blanking roller 402 has two blanking areas 1210, and a storage tank 1220 for storing the high polymer absorbent resin material is provided on the blanking area 1210, that is, when the respective absorbent core is obtained so as to correspond to the blanking area 1210 on the blanking roller 505, the corresponding single absorbent core is precisely blanked by the single blanking area 1210 when the blanking roller 505 rotates for blanking.

While the utility model has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims (10)

1. A quick-drying absorbent core production line is characterized in that: including controlling means, upper non-woven fabrics unreeling device, first glue applying device, middle level non-woven fabrics unreeling device, polymer material unloader, unsmooth roller composite device, lower floor non-woven fabrics unreeling device, second glue applying device, left side ultrasonic welding device, right side ultrasonic welding device and location sign attachment device, the output of upper non-woven fabrics unreeling device is located to first glue applying device, polymer material unloader locates the output of middle level non-woven fabrics unreeling device, first glue applying device, the output of lower floor non-woven fabrics unreeling device is located to second glue applying device, unsmooth roller composite device has the indent district, unloading district and the pressfitting district that distribute in proper order according to the assembly line, unsmooth roller composite device locates polymer material unloader's output, the indent district distributes in second glue applying device's output, left side ultrasonic welding device locates unsmooth roller composite device's output, right side ultrasonic welding device locates the output of left side non-woven fabrics unreeling device, location sign attachment device has unsmooth roller composite device, equal polymer material solder joint device down.

2. The quick-absorbent dry absorbent core production line according to claim 1, characterized in that: the concave-convex roller composite device comprises a frame, a driving mechanism, a transmission mechanism, a discharging bin, a discharging roller, a bottom roller, a convex roller and a pressing roller, wherein the driving mechanism, the transmission mechanism, the discharging bin, the discharging roller, the convex roller and the pressing roller are arranged on the frame, the lower end of the discharging bin is provided with a discharging opening, the bottom roller is arranged on the lower side of the discharging roller, a plurality of grooves and arc-shaped grooves are formed in the bottom roller, adsorption holes are formed in the bottom of the grooves, a runner communicated with the adsorption holes is formed in the bottom roller, a distribution disc communicated with the runner is arranged on the bottom roller, the convex roller and the pressing roller are respectively arranged on the periphery of the bottom roller, and the driving mechanism drives the discharging roller, the bottom roller, the convex roller and the pressing roller to rotate through the transmission mechanism.

3. The quick-absorbent dry absorbent core production line according to claim 2, characterized in that: the driving mechanism comprises a first driving sprocket arranged on the driving mechanism, a first driven sprocket arranged on the bottom roller, a second driven sprocket arranged on the press roller, a second driving sprocket arranged on the press roller, a third driven sprocket arranged on the blanking roller, a driving gear arranged on the bottom roller and a driven gear arranged on the convex roller, wherein a first chain is wound on the first driving sprocket, the first driven sprocket and the second driven sprocket, a second chain is wound on the second driving sprocket and the third driven sprocket, and the driving gear is meshed with the driven gear.

4. A quick-absorbent dry absorbent core manufacturing line according to claim 3, characterized in that: and a tensioning chain wheel is arranged on the frame and positioned on the periphery side of the second chain and used for tensioning the second chain.

5. The quick-absorbent dry absorbent core manufacturing line according to any one of claims 2 to 4, characterized in that: the bottom roller comprises a rotating shaft arranged on the frame through a bearing, and a roller body sleeved on the rotating shaft, wherein the grooves are distributed on the circumferential outer surface of the roller body, the flow channels are arranged on the roller body and circumferentially distributed on one axial end surface of the roller body, the flow channels are distributed along the axial direction of the rotating shaft, a row of adsorption holes in the axial direction of the roller body are communicated with the same flow channel, and the air distribution disc is communicated with each flow channel.

6. The quick-absorbent dry absorbent core production line according to claim 5, characterized in that: the axial both ends of the protruding roller are arranged on the frame through the first bearing seat, a first guide groove for the first bearing seat to slide is arranged on the frame, and a first driving cylinder for driving the first bearing seat to slide is arranged on the frame.

7. The quick-absorbent dry absorbent core production line according to claim 5, characterized in that: the axial connection two sides of the press roller are arranged on the frame through the second bearing seat, a second guide groove for the second bearing seat to slide is arranged on the frame, and a second driving cylinder for driving the second bearing seat to slide is arranged on the frame.

8. The quick-absorbent dry absorbent core production line according to claim 1, characterized in that: the positioning mark attaching device is an ink jet device or a positioning hole punching device.

9. The quick-absorbent dry absorbent core manufacturing line according to claim 8, wherein: the locating hole perforating device comprises a perforating frame, a perforating roller, a supporting roller, two upper bearing seats, two lower bearing seats, a first adjusting component and a second adjusting component, wherein the perforating frame is arranged at two axial ends of the perforating roller through the upper bearing seats, the perforating roller comprises a perforating rotating shaft, a perforating roller body arranged on the perforating rotating shaft and an annular cutter detachably arranged on the perforating roller body, the cross section of the annular cutter is of a circular structure, the two axial ends of the supporting roller are arranged on the perforating frame through the lower bearing seats, the supporting roller is distributed on the lower side of the perforating roller, the first adjusting component is arranged at the upper end of the perforating frame and used for adjusting the pressing force of the perforating roller, the second adjusting component is arranged between the upper bearing seats and the lower bearing seats and used for adjusting the distance between the perforating roller and the supporting roller, an adsorption cover is arranged on the perforating frame and is provided with an air inlet and an air outlet, and the air inlet is distributed on the periphery of the perforating roller.

10. The quick-absorbent dry absorbent core production line according to claim 1, characterized in that: the left side ultrasonic welding device, right side ultrasonic welding device all include support frame, welding roller, two foundation rolls, two welding components, driving motor, compress tightly adjusting part and clearance adjusting part, the axial both ends of welding roller are located on the support frame through the third bearing frame, two the axial one end of foundation roll is located on the support frame through the fourth bearing frame respectively to distribute in the downside of welding roller, two the coaxial setting of foundation roll, and distribute in the axial both sides of foundation roll, two welding components locates the free end of foundation roll respectively, driving motor is connected with the foundation roll drive through drive assembly respectively, compress tightly the upper end that adjusting part located the support frame for adjust the compressive force of welding roller, clearance adjusting part locates between third bearing frame and the fourth bearing frame.