CN112754768B

CN112754768B - Double-absorption-wheel paper diaper sheet forming equipment and forming method

Info

Publication number: CN112754768B
Application number: CN202110155552.XA
Authority: CN
Inventors: 李木金; 吴游水
Original assignee: Fujian Yuejian Care Products Co ltd
Current assignee: Fujian Yuejian Care Products Co ltd
Priority date: 2021-02-04
Filing date: 2021-02-04
Publication date: 2024-01-26
Anticipated expiration: 2041-02-04
Also published as: CN112754768A

Abstract

The invention relates to the technical field of paper diaper processing equipment, in particular to equipment and a method for forming paper diaper sheets with double absorption wheels, which are characterized in that: including adsorption wheel and sealed shaping storehouse that sets up in adsorption wheel one side, be equipped with the feed inlet on the shaping storehouse, the adsorption wheel is two and upper and lower symmetry sets up and is formed with the combination shaping mouth between the two, shaping storehouse internal fixation is equipped with the baffle and separates into shaping chamber and second shaping chamber with shaping storehouse inner chamber, first shaping chamber communicates with each other with the feed inlet, shaping storehouse one side still is equipped with mixture feed mechanism and elastic piece feed mechanism, mixture feed mechanism is used for feeding to the second shaping intracavity, elastic piece feed mechanism is used for providing the elastic piece and feeds elastic piece to combination shaping mouth department. The invention has novel, practical and reliable integral structure, can produce the absorbent core sheet with better rebound effect, and effectively ensures the comfort when wearing.

Description

Double-absorption-wheel paper diaper sheet forming equipment and forming method

Technical Field

The invention relates to the technical field of paper diaper processing equipment, in particular to equipment and a method for forming paper diaper sheets with double absorption wheels.

Background

Sanitary products such as paper diapers mainly comprise a bottom layer, an absorption core and a surface layer in contact with skin, wherein the absorption core is a key core technology of the paper diapers, and the quality requirements of the paper diapers are mainly reflected in the aspects of good absorption property of the absorption core, dryness, no rewet, side leakage prevention and the like, so that the quality of the absorption performance of the sanitary products such as the paper diapers is measured, however, due to poor rebound effect of the existing paper diapers, the paper diapers are easy to collapse due to stress and cannot rebound and reset smoothly, the paper diapers are clung to and squeeze the skin locally, and the comfort of the paper diapers in wearing is affected to a certain extent.

Disclosure of Invention

The invention aims to solve the technical problem of providing the double-absorption-wheel paper diaper sheet forming equipment and the double-absorption-wheel paper diaper sheet forming method, which are novel in overall structure, practical and reliable, can produce the absorbent core sheet with good rebound effect and effectively ensure the comfort during wearing.

In order to solve the technical problems, the invention adopts the following technical scheme: the utility model provides a double adsorption wheel panty-shape diapers sheet former, including adsorption wheel and sealed shaping storehouse that sets up in adsorption wheel one side, be equipped with the feed inlet on the shaping storehouse, the adsorption wheel is two and upper and lower symmetry sets up and is formed with the combination shaping mouth between the two, shaping storehouse internal fixation is equipped with the baffle and separates into shaping chamber and second shaping chamber with shaping storehouse inner chamber, first shaping chamber communicates with each other with the feed inlet, shaping storehouse one side still is equipped with mixture feed mechanism and elastic sheet feed mechanism, mixture feed mechanism is used for feeding to in the second shaping chamber, elastic sheet feed mechanism is used for providing the elastic sheet and feeds elastic sheet to combination shaping mouth department.

Further, the adsorption wheel comprises a wheel body framework and an air distribution disc arranged in the wheel body framework, a stainless steel net which is in a circular ring shape is sleeved on the wheel body framework, forming rings are sleeved on two sides of the outer peripheral surface of the stainless steel net respectively, a connecting plate is fixedly arranged on one side of the wheel body framework, a connecting shaft is fixedly arranged in the center of the connecting plate, the wheel body framework is rotatably arranged on a first supporting frame through the connecting shaft, the rotation directions of the upper wheel body framework and the lower wheel body framework are opposite, the air distribution disc is fixedly arranged on a second supporting frame, the outer periphery of part of the air distribution disc is in a circular arc open shape, a plurality of negative pressure cavities and a positive pressure cavity are sequentially arranged on the air distribution disc along the rotation direction of the wheel body framework, a plurality of air suction pipes and an air blowing pipe are arranged on one side of the air distribution disc and are in one-to-one correspondence and communication with the negative pressure cavities, the number of the air blowing pipes is three and is respectively a first negative pressure cavity, a second negative pressure cavity and a third negative pressure cavity, the first negative pressure cavity is communicated with the first negative pressure cavity, and a third negative pressure cavity are sequentially communicated with the first negative pressure cavity, and a third negative pressure cavity are communicated with the second negative pressure cavity.

Further, arc-shaped shielding plates are arranged at the openings of the third negative pressure cavities on the upper and lower air distribution plates, a plurality of strip-shaped slots are arranged on the arc-shaped shielding plates at intervals, and the strip-shaped slots on the upper and lower arc-shaped shielding plates are staggered in sequence.

Further, the mixture feeding mechanism comprises a mixing pipe, a communicating pipe, a positive pressure pipe, a first feeding pipe and a second feeding pipe, wherein the mixing pipe is communicated with a second molding cavity of the molding bin through the communicating pipe, the positive pressure pipe is arranged at the upper end of the mixing pipe and is communicated with the mixing pipe, the first feeding pipe and the second feeding pipe are respectively arranged on two side walls of the mixing pipe and are respectively communicated with the mixing pipe, a polymerization plate and a dispersion plate are sequentially arranged in the mixing pipe from top to bottom, the polymerization plate and the dispersion plate are fixedly connected with the mixing pipe, the polymerization plate is of a hollow structure and is in a horn shape with the upper part wide and the lower part narrow, and the dispersion plate is in a cone shape.

Further, the surface of one side of the forming bin is also provided with mounting holes communicated with the second forming cavity, the number of the mounting holes is two, the two mounting holes are arranged at intervals up and down, stirring mechanisms are arranged in the two mounting holes, each stirring mechanism comprises a mounting plate, a stirring shaft, a blade assembly and a stirring motor, the stirring shafts are rotatably arranged on the mounting plates, the mounting plates are fixedly arranged on the forming bin, one ends of the stirring shafts extend into the second forming cavity and are fixedly connected with the blade assemblies, the other ends of the stirring shafts extend outwards and are in transmission connection with the stirring motors, the stirring motors are fixedly arranged on a first motor base, the first motor base is fixedly arranged on the mounting plates, each blade assembly comprises a sleeve and a plurality of stirring blades, the stirring blades are fixedly arranged on the sleeve and uniformly distributed along the circumferential direction of the sleeve, and the sleeve is fixedly sleeved on the stirring shaft.

Further, the elastic sheet feeding mechanism comprises a rotating shaft, an elastic sheet assembly and an uncoiling motor, the rotating shaft is rotatably arranged on a third supporting frame, two locking nuts are in threaded connection with the rotating shaft, a plurality of elastic sheet assemblies are sleeved between the two locking nuts in the rotating shaft, the elastic sheet assemblies comprise reels and elastic sheets wound on the reels, at least one adjusting gasket is arranged between every two adjacent reels and sleeved on the rotating shaft, the uncoiling motor is in transmission connection with the rotating shaft and used for uncoiling the elastic sheets in a coiled shape, the uncoiling motor is fixedly arranged on a second motor seat, the second motor seat is fixedly arranged on the third supporting frame, a first gap is formed in a forming bin, a second gap is formed in a partition plate, and one end of each elastic sheet sequentially penetrates through the first gap and the second gap and extends to a combined forming opening.

Further, the number of elastic sheet members is 2 to 4.

Further, rotatable first rotating rollers are arranged on two sides of the first gap outside the forming bin, rotatable second rotating rollers are arranged on two sides of the first gap in the first forming cavity of the forming bin, rotatable third rotating rollers are arranged on two sides of the second gap in the first forming cavity of the forming bin, rotatable fourth rotating rollers are arranged on two sides of the second gap in the second forming cavity of the forming bin, a guide plate is further fixedly arranged in the first forming cavity of the forming bin, and the guide plate is fixedly arranged on one side of the first gap close to the feed inlet.

Further, the elastic sheet is made of elastic steel sheets.

A molding method of a double-absorption-wheel paper diaper sheet molding device is characterized by comprising the following steps of:

step 1: adsorbing paper pulp in a first molding cavity of the molding bin on the corresponding outer surface of the stainless steel mesh through a first negative pressure cavity in the adsorption wheel to form a paper pulp layer;

step 2: the stainless steel net rotates along with the wheel body framework, and the pulp in the second molding cavity of the molding bin and the mixture of the high polymer water absorbent resin are further adsorbed on the outer surface of the pulp layer through the second negative pressure cavity in the adsorption wheel to form a mixed material layer;

step 3: the stainless steel mesh rotates along with the wheel body framework, the pulp in the second molding cavity of the molding bin and the mixture of the high polymer water absorbent resin are further absorbed through the third negative pressure cavity in the absorption wheel, and the arc shielding plate is matched for use, so that a plurality of strip-shaped protruding parts which are arranged at intervals can be formed on the outer surface of the mixed material layer, and a semi-finished product absorption core can be formed through the absorption of a single absorption wheel;

step 4: the stainless steel net rotates along with the wheel body framework, at the moment, the semi-finished product absorption cores on the upper absorption wheel and the lower absorption wheel are combined and formed under the action of the two absorption wheels, and the elastic sheet is pressed between the two semi-finished product absorption cores, so that a complete absorption core sheet is formed;

step 5: the stainless steel net rotates along with the wheel body framework, and the absorbing core sheet is blown and demoulded through positive pressure cavities in the upper absorbing wheel and the lower absorbing wheel.

According to the invention, the whole structure of the double-absorption-wheel paper diaper sheet forming device is novel, practical and reliable, the paper pulp can be connected with an external paper pulp pipeline through the arrangement of the feeding port, so that the paper pulp enters the first forming cavity of the forming bin along with flowing air, the mixture feeding mechanism is used for providing a mixture of the paper pulp and the high-molecular water-absorbent resin in the second forming cavity of the forming bin, thereby the absorption of the absorption wheels is carried out, the single absorption wheel can absorb and generate a semi-finished product absorption core combined with a paper pulp layer, the paper pulp and the high-molecular water-absorbent resin layer, and meanwhile, the two semi-finished product absorption cores are arranged through the upper absorption wheel and the lower absorption wheel, and the two semi-finished product absorption cores are combined and formed, so that the elastic sheet is pressed between the two semi-finished product absorption cores and forms a complete absorption core sheet.

Drawings

Fig. 1 is a schematic perspective view of a dual-suction-wheel diaper sheet molding apparatus according to the present invention.

Fig. 2 is a schematic structural view of a dual-suction-wheel diaper sheet molding apparatus according to the present invention.

Fig. 3 is a schematic cross-sectional view in the direction A-A of fig. 2.

Fig. 4 is a partially enlarged schematic view at B in fig. 3.

Fig. 5 is a partially enlarged schematic view of fig. 3 at C.

Fig. 6 is a partially enlarged schematic view of fig. 3 at D.

Fig. 7 is a schematic structural view of the mixture feeding mechanism.

Fig. 8 is a schematic structural view of the elastic sheet feeding mechanism.

Fig. 9 is a partially enlarged schematic illustration at E in fig. 8.

Fig. 10 is a schematic perspective view of the stirring mechanism.

Fig. 11 is an exploded perspective view of the suction wheel.

Fig. 12 is a schematic perspective view of an arc-shaped shutter.

Fig. 13 is a schematic structural view of an absorbent core sheet produced by the double-absorption-wheel diaper sheet molding apparatus of the present invention.

In the figure: 1-an adsorption wheel; 11-wheel body framework; 111-connecting plates; 112-a connecting shaft; 12-gas distribution plate; 121-a first negative pressure chamber; 122-a second negative pressure chamber; 123-a third negative pressure chamber; 124-positive pressure chamber; 13-stainless steel mesh; 14-forming a ring; 15-arc-shaped shutters; 151-bar-shaped notches; 16-a combined forming port; 2-a molding bin; 21-a feed inlet; 22-a separator; 23-a first molding cavity; 24-a second molding cavity; 25-a first gap; 26-a second gap; 3-a mixture feeding mechanism; 31-a material mixing pipe; 32-communicating pipe; 33-positive pressure tube; 34-a first feed tube; 35-a second feed tube; 36-polymerizing plate; 37-a dispersion plate; 4-elastic sheet feeding mechanism; 41-rotating shaft; 42-an elastic sheet assembly; 421-reels; 422-elastic sheet; 43-uncoiling motor; 44-locking nut; 45-adjusting gaskets; 46-a second motor base; 51-suction pipe; 52-an air blowing pipe; 6-a stirring mechanism; 61-mounting plates; 62-stirring shaft; 63-blade assembly; 631-a sleeve; 632-stirring blades; 64-a stirring motor; 65-a first motor base; 71-a first support frame; 72-a second support frame; 73-a third support frame; 81-a first rotating roller; 82-a second rotating roller; 83-a third rotating roller; 84-fourth rotating roller; 85-guide plates; 91-pulp layer; 92-mixing material layer; 93-strip-shaped projections.

Description of the embodiments

The invention is further described below by means of specific embodiments.

As shown in fig. 1 to 13, the sheet forming device with double suction wheels 1 according to the present invention includes a suction wheel 1 and a forming bin 2 hermetically disposed at one side of the suction wheel 1, a feeding hole 21 is disposed on the forming bin 2, two suction wheels 1 are disposed symmetrically up and down and a combination forming hole 16 is formed between the two suction wheels, a partition plate 22 is fixedly disposed in the forming bin 2 and divides an inner cavity of the forming bin 2 into a forming cavity 23 and a second forming cavity 24, the first forming cavity 23 is communicated with the feeding hole 21, a mixture feeding mechanism 3 and a resilient sheet feeding mechanism 4 are further disposed at one side of the forming bin 2, the mixture feeding mechanism 3 is used for feeding into the second forming cavity 24, and the resilient sheet feeding mechanism 4 is used for providing a resilient sheet 422 and feeding the resilient sheet 422 to the combination forming hole 16.

Through the arrangement of the feed inlet 21, the pulp can be connected with an external pulp pipe, so that pulp enters the first molding cavity 23 of the molding bin 2 along with flowing air, the mixture feeding mechanism 3 is used for providing a mixture of pulp and high polymer water absorbent resin in the second molding cavity 24 of the molding bin 2, so that through the adsorption of the adsorption wheel 1, a single adsorption wheel 1 can adsorb and generate a semi-finished product absorbent core combined with a pulp layer 91 and a mixture layer 92 of pulp and high polymer water absorbent resin, and simultaneously through the arrangement of the upper adsorption wheel 1 and the lower adsorption wheel 1, through the combination molding of the two semi-finished product absorbent cores, the elastic sheet 422 is pressed between the two semi-finished product absorbent cores conveniently to form a complete absorbent core sheet, thereby, through the arrangement of the elastic sheet 422, the comfort after the absorbent core sheet is worn is ensured, the absorbent core sheet has better rebound effect, when the absorbent core sheet collapses due to the action of external force in the wearing process, the elastic sheet 422 can drive the collapse part of the absorbent core sheet to rebound and reset smoothly, thereby avoiding the absorbent core sheet from being clung to and pressing the skin of a user locally, and further effectively ensuring the wearing comfort, in addition, the thickness of the mixed material layer 92 of paper pulp and macromolecule absorbent resin can be effectively ensured by combining and shaping the two semi-finished absorbent cores, and in the combined shaping, the two absorption wheels 1 can also play a certain rolling role on the semi-finished absorbent core, thereby further playing a tamping role on the shaped absorbent core sheet, in addition, the partition board 22 is in a C shape or an angle shape, thereby leading the first shaping cavity 23 to be in a herringbone shape, the suction wheels 1 are convenient for suction molding of the pulp in the first molding cavity 23.

The adsorption wheel 1 comprises a wheel body framework 11 and an air distribution disc 12 arranged in the wheel body framework 11, a stainless steel net 13 in a circular ring shape is sleeved on the wheel body framework 11, the stainless steel net 13 can enable air to pass through, paper pulp and macromolecule water absorbent resin can not pass through, forming rings 14 are respectively sleeved on two sides of the outer peripheral surface of the stainless steel net 13, a connecting plate 111 is fixedly arranged on one side of the wheel body framework 11, a connecting shaft 112 is fixedly arranged in the center of the connecting plate 111, the wheel body framework 11 is rotatably arranged on a first supporting frame 71 through the connecting shaft 112, the rotation directions of the upper wheel body framework 11 and the lower wheel body framework 11 are opposite, specifically, the two wheel body frameworks 11 can be driven to rotate by a first driving motor, and the first driving motor can be in transmission connection with the connecting shaft 112 on one wheel body framework 11 through belt transmission, chain transmission or gear transmission, the connecting shafts 112 on the two wheel body frames 11 can be meshed and driven through synchronous gears, so that the rotation of the two wheel body frames 11 is realized, the rotation directions of the two wheel body frames are opposite, the air distribution disc 12 is fixedly arranged on the second support frame 72, part of the outer circumference of the air distribution disc 12 is in a circular arc open shape, a plurality of negative pressure cavities and a positive pressure cavity 124 are sequentially arranged on the air distribution disc 12 along the rotation direction of the wheel body frames 11, a plurality of air suction pipes 51 and an air blowing pipe 52 are arranged on one side of the air distribution disc 12, the air suction pipes 51 can be connected with an external air suction mechanism, so that negative pressure is generated in the negative pressure cavities, the air blowing pipe 52 can be connected with an external air blowing mechanism, so that positive pressure is generated in the positive pressure cavity 124, in addition, the air suction mechanism and the air blowing mechanism can adopt equipment in the prior art, therefore, not described in detail herein, the suction pipes 51 are in one-to-one correspondence with and are communicated with the negative pressure cavities, the air blowing pipes 52 are in correspondence with and are communicated with the positive pressure cavities 124, the number of the negative pressure cavities is three and is respectively a first negative pressure cavity 121, a second negative pressure cavity 122 and a third negative pressure cavity 123 in sequence, the first negative pressure cavity 121 is communicated with the first forming cavity 23, the pulp in the first forming cavity 23 of the forming bin 2 can be adsorbed on the corresponding outer surface of the stainless steel mesh 13 through the adsorption of the first negative pressure cavity 121 to form a pulp layer 91, the second negative pressure cavity 122 and the third negative pressure cavity 123 are communicated with the second forming cavity 24, and the mixture of the pulp in the second forming cavity 24 of the forming bin 2 and the high polymer absorbent resin is further adsorbed on the outer surface of the pulp layer 91 through the adsorption of the second negative pressure cavity 122 and the third negative pressure cavity 123 to form a mixture layer 92.

The arc shielding plates 15 are installed at the openings of the third negative pressure chambers 123 on the upper and lower air distribution discs 12, a plurality of strip-shaped grooves 151 are arranged on the arc shielding plates 15 at intervals, the strip-shaped grooves 151 on the upper and lower arc shielding plates 15 are staggered in sequence, and through the arrangement of the arc shielding plates 15, when the third negative pressure chambers 123 absorb pulp and macromolecule water absorbent resin in the second forming chambers 24, a plurality of strip-shaped protruding portions 93 are formed on the outer surface of the mixed material layer 92 at intervals, therefore, semi-finished product absorbent cores can be formed through the absorption of the single absorption wheels 1, and the strip-shaped protruding portions 93 on the upper and lower semi-finished product absorbent cores are staggered mutually, so that when the two semi-finished product absorbent cores are combined and formed under the action of the absorption wheels 1, the strip-shaped protruding portions 93 on the upper and lower semi-finished product absorbent cores can be mutually embedded, the compactness after the two semi-finished product absorbent cores are combined is further improved, and meanwhile, the elastic pieces 422 can be also positioned at a certain position, and the number of the strip-shaped grooves is preferably equal to 3-5.

The mixing and feeding mechanism 3 comprises a mixing pipe 31, a communicating pipe 32, a positive pressure pipe 33, a first feeding pipe 34 and a second feeding pipe 35, wherein the mixing pipe 31 is communicated with the second molding cavity 24 of the molding bin 2 through the communicating pipe 32, the positive pressure pipe 33 is arranged at the upper end of the mixing pipe 31 and is communicated with the mixing pipe 31, the first feeding pipe 34 and the second feeding pipe 35 are respectively arranged on two side walls of the mixing pipe 31 and are respectively communicated with the mixing pipe 31, the positive pressure pipe 33 can be connected with an external high-pressure fan and is used for blowing air into the mixing pipe 31, the first feeding pipe 34 is used for feeding paper pulp into the mixing pipe 31, the second feeding pipe 35 is used for feeding high-molecular water-absorbent resin into the mixing pipe 31, a polymerization plate 36 and a dispersion plate 37 are sequentially arranged in the mixing pipe 31 from top to bottom, the polymerization plate 36 and the dispersion plate 37 are fixedly connected with the mixing pipe 31, the polymerization plate 36 is in a hollow conical shape and is in a hollow, and the hollow conical shape, and the high-molecular water-absorbent resin can be uniformly dispersed in the mixing pipe 37 and then passes through the high-molecular water-absorbent resin in the mixing pipe 37.

The surface of one side of the molding bin 2 is also provided with two mounting openings which are communicated with the second molding cavity 24, the two mounting openings are arranged at intervals up and down, the two mounting openings are internally provided with stirring mechanisms 6, each stirring mechanism 6 comprises a mounting plate 61, a stirring shaft 62, a blade assembly 63 and a stirring motor 64, the stirring shaft 62 is rotatably arranged on the mounting plate 61, the mounting plate 61 is fixedly arranged on the molding bin 2, one end of the stirring shaft 62 extends into the second molding cavity 24 and is fixedly connected with the blade assembly 63, the other end of the stirring shaft 62 extends outwards and is in transmission connection with the stirring motor 64, the stirring motor 64 is fixedly arranged on a first motor seat 65, the first motor seat 65 is fixedly arranged on the mounting plate 61, the blade assembly 63 comprises a sleeve 631 and a plurality of stirring blades 632, the stirring blades 632 are fixedly arranged on the sleeve 631 and are uniformly arranged along the circumferential direction of the sleeve 631, one end of the stirring shaft 62 extends into the second molding cavity 24 and is in transmission connection with the stirring motor 632, and the stirring motor 632 is further fully stirred by adopting the stirring blades 632, and the stirring motor 632 is fully stirred in the second molding cavity 4.

The elastic sheet feeding mechanism 4 comprises a rotating shaft 41, an elastic sheet assembly 42 and an uncoiling motor 43, the rotating shaft 41 is rotatably arranged on a third supporting frame 73, two lock nuts 44 are connected to the rotating shaft 41 in a threaded manner, in particular, a threaded section can be arranged on the outer surface of the rotating shaft 41 so as to facilitate connection with the lock nuts 44, a plurality of elastic sheet assemblies 42 are sleeved between the two lock nuts 44 on the rotating shaft 41, the elastic sheet assembly 42 comprises a reel 421 and an elastic sheet 422 wound on the reel 421, at least one adjusting gasket 45 is arranged between two adjacent reels 421, the adjusting gasket 45 is sleeved on the rotating shaft 41, in actual production, the distance between the two reels 421 can be adjusted by adjusting the number of the adjusting gaskets 45, the uncoiling motor 43 is in transmission connection with the rotating shaft 41 and is used for uncoiling the coiled elastic sheet 422, the uncoiling motor 43 is fixedly arranged on the second motor seat 46, the second motor seat 46 is fixedly arranged on the third supporting frame 73, the forming bin 2 is provided with a first gap 25, the partition 22 is provided with a second gap 26, one end of the elastic sheet 422 sequentially passes through the first gap 25 and the second gap 26 and extends to the combined forming opening 16, by adopting the structure, the coiled elastic sheet 422 is conveniently uncoiled, the smooth conveying of the elastic sheet 422 is ensured, so that when the upper and lower adsorption wheels 1 are combined and formed with the semi-finished absorbent cores and the elastic sheet 422 and are conveyed outwards, a certain traction effect is exerted on the elastic sheet 422, the movement of the elastic sheet 422 can be well pulled, in addition, since the elastic sheet 422 has a relatively thin overall thickness, the width of the first slit 25 is relatively narrow, so that pulp in the first molding cavity 23 is not easily blown out of the first slit 25, and normal entry of the elastic sheet 422 is ensured.

Preferably, the number of the elastic sheet assemblies 42 is 2-4, and thus, the number of the elastic sheets 422 in the absorbent core sheet after the bonding molding is 2-4, in practical production, the number of the elastic sheets 422 may be set according to the width of the diaper, and in addition, in order to ensure the comfort of the diaper after wearing, the thickness of the elastic sheets 422 may be set to be a little thinner, specifically, the thickness of the elastic sheets 422 may be 0.5-1mm, the width of the elastic sheets 422 may be set to be a little narrower, and in particular, the width of the elastic sheets 422 may be 3-6mm, on the basis of ensuring that the absorbent core sheet has a certain rebound resilience.

The forming bin 2 is provided with rotatable first rotating rollers 81 at two sides of the first gap 25, the first forming cavity 23 of the forming bin 2 is provided with rotatable second rotating rollers 82 at two sides of the first gap 25, the first forming cavity 23 of the forming bin 2 is provided with rotatable third rotating rollers 83 at two sides of the second gap 26, the second forming cavity 24 of the forming bin 2 is provided with rotatable fourth rotating rollers 84 at two sides of the second gap 26, and by the arrangement of the first rotating rollers 81, the second rotating rollers 82, the third rotating rollers 83 and the fourth rotating rollers 84, the conveying of the elastic sheet 422 is smoother, in addition, in other embodiments, the third rotating roller 83 and the fourth rotating roller 84 are driven by corresponding power devices to rotate, so that the third rotating roller 83 and the fourth rotating roller 84 can also have a certain traction effect on the elastic sheet 422 when rotating, further ensure the conveying of the elastic sheet 422, in particular, the power devices are second driving motors, the second driving motors can drive the third rotating roller 83 and the fourth rotating roller 84 to rotate through belt transmission, chain transmission or gear transmission, a guide plate 85 is fixedly arranged in the first molding cavity 23 of the molding bin 2, the guide plate 85 is fixedly arranged on one side of the first gap 25 close to the feed inlet 21, thereby having a shielding effect on one side of the first gap 25, changing the flow direction of pulp close to the first gap 25, it is further ensured that pulp in the first forming chamber 23 is not blown out of the first gap 25.

Preferably, the elastic sheet 422 is made of an elastic steel sheet, and in other embodiments, the elastic sheet 422 may be made of polypropylene.

A molding method of double-absorption wheel 1 paper diaper sheet molding equipment is characterized by utilizing the double-absorption wheel 1 paper diaper sheet molding equipment to mold, comprising the following steps:

step 1: the pulp in the first molding cavity 23 of the molding bin 2 is adsorbed on the corresponding outer surface of the stainless steel net 13 through the first negative pressure cavity 121 in the adsorption wheel 1 and forms a pulp layer 91;

step 2: the stainless steel net 13 rotates along with the wheel body framework 11, and further adsorbs the mixture of the pulp and the macromolecule absorbent resin in the second molding cavity 24 of the molding bin 2 on the outer surface of the pulp layer 91 through the second negative pressure cavity 122 in the adsorption wheel 1 to form a mixture layer 92;

step 3: the stainless steel mesh 13 rotates along with the wheel body frame 11, the mixture of the pulp and the macromolecule absorbent resin in the second molding cavity 24 of the molding bin 2 is further absorbed through the third negative pressure cavity 123 in the absorption wheel 1, and simultaneously, the stainless steel mesh is matched with the arc shielding plate 15, so that a plurality of strip-shaped protruding parts 93 which are arranged at intervals can be formed on the outer surface of the mixed material layer 92, and a semi-finished absorbent core can be formed through the absorption of a single absorption wheel 1;

step 4: the stainless steel mesh 13 rotates along with the wheel body skeleton 11, at this time, the semi-finished absorbent cores on the upper and lower suction wheels 1 are combined and formed under the action of the two suction wheels 1, and the elastic sheet 422 is pressed between the two semi-finished absorbent cores to form a complete absorbent core sheet;

step 5: the stainless steel net 13 rotates along with the wheel body framework 11, and the absorbing chip material is blown and demoulded through positive pressure cavities 124 in the upper and lower absorbing wheels 1.

The foregoing is merely a few specific embodiments of the present invention, but the design concept of the present invention is not limited thereto, and any insubstantial modification of the present invention by using the concept should be construed as infringement of the protection scope of the present invention.

Claims

1. The utility model provides a double adsorption wheel panty-shape diapers sheet former, is in including adsorption wheel and sealed setting the shaping storehouse of adsorption wheel one side, be equipped with the feed inlet on the shaping storehouse, its characterized in that: the adsorption wheel is two and is arranged up and down symmetrically, a combined forming opening is formed between the two, a partition plate is fixedly arranged in the forming bin and divides the inner cavity of the forming bin into a forming cavity and a second forming cavity, the partition plate is in a C shape, the first forming cavity is in a herringbone shape, the first forming cavity is communicated with the feeding opening, the second forming cavity is communicated with the combined forming opening, one side of the forming bin is also provided with a mixed material feeding mechanism and an elastic sheet feeding mechanism, the mixed material feeding mechanism is used for feeding into the second forming cavity, the forming bin is provided with a first gap, the partition plate is provided with a second gap, the elastic sheet feeding mechanism is used for providing an elastic sheet and sequentially passing through the first gap and the second gap to be fed to the combined forming opening, the elastic sheet feeding mechanism comprises a rotating shaft, an elastic sheet assembly and an uncoiling motor, the rotating shaft is rotatably arranged on a third support frame, two locking nuts are in threaded connection on the rotating shaft, a plurality of locking sheets are arranged between the two motors on the rotating shaft, the motor is sleeved with a plurality of locking sheets, the elastic sheet feeding mechanism is arranged on the rotating shaft and is fixedly connected with the second support frame, the second coiling mechanism is arranged on the motor and is communicated with the coiled tube, the second coiling mechanism is arranged on the motor seat, the coiling mechanism is communicated with the second coiling tube, the coiling tube through the motor seat, the coiling tube is fixedly arranged on the coiling tube, the coiling tube is communicated with the elastic sheet feeding tube, the coiling tube is provided with the elastic sheet feeding mechanism, and the coiling tube is connected with the coiling tube, and the coiling tube, the first feeding pipe and the second feeding pipe are respectively arranged on the side walls of two sides of the mixing pipe and are communicated with the mixing pipe, a polymerization plate and a dispersion plate are sequentially arranged in the mixing pipe from top to bottom, the polymerization plate and the dispersion plate are fixedly connected with the mixing pipe, the polymerization plate is of a hollow structure and is in a horn shape with a wide upper part and a narrow lower part, the dispersion plate is in a cone shape, the surface of one side of the forming bin is also provided with mounting holes communicated with the second forming cavity, the number of the mounting holes is two and is arranged at intervals up and down, stirring mechanisms are respectively arranged in the two mounting holes, each stirring mechanism comprises a mounting plate, a stirring shaft, a blade assembly and a stirring motor, the stirring shaft is rotatably arranged on the mounting plate, the mounting plate is fixedly arranged on the forming bin, one end of the stirring shaft extends into the second molding cavity and is fixedly connected with the blade assembly, the other end of the stirring shaft extends outwards and is in transmission connection with the stirring motor, the stirring motor is fixedly arranged on a first motor seat, the first motor seat is fixedly arranged on the mounting plate, the blade assembly comprises a sleeve and a plurality of stirring blades, the stirring blades are fixedly arranged on the sleeve and uniformly distributed along the circumferential direction of the sleeve, the sleeve is fixedly sleeved on the stirring shaft, rotatable first rotating rollers are arranged on two sides of the molding bin outside the first gap, rotatable second rotating rollers are arranged on two sides of the first gap in the first molding cavity of the molding bin, rotatable third rotating rollers are arranged on two sides of the second gap in the first molding cavity of the molding bin, the second forming cavity of the forming bin is internally provided with rotatable fourth rotating rollers at two sides of the second gap, the first forming cavity of the forming bin is internally and fixedly provided with a guide plate, the guide plate is fixedly arranged at one side of the first gap, which is close to the feed inlet, and the elastic sheet is made of an elastic steel sheet.

2. The dual suction wheel pant diaper sheet molding apparatus as defined in claim 1, wherein: the adsorption wheel comprises a wheel body framework and an air distribution disc arranged in the wheel body framework, a stainless steel net in a circular ring shape is sleeved on the wheel body framework, forming rings are sleeved on two sides of the outer peripheral surface of the stainless steel net respectively, a connecting plate is fixedly arranged on one side of the wheel body framework, a connecting shaft is fixedly arranged in the center of the connecting plate, the wheel body framework is rotatably arranged on a first supporting frame through the connecting shaft, the upper and lower two wheel body frameworks are opposite in rotation direction, the air distribution disc is fixedly arranged on a second supporting frame, part of the outer periphery of the air distribution disc is in an arc-shaped opening shape, a plurality of negative pressure cavities and a positive pressure cavity are sequentially arranged on the air distribution disc along the rotation direction of the wheel body framework, a plurality of air suction pipes and an air blowing pipe are arranged on one side of the air distribution disc, the air suction pipes are in one-to-one correspondence and are communicated with the negative pressure cavities, the number of the negative pressure cavities is three and is respectively a first negative pressure cavity, a second negative pressure cavity and a third negative pressure cavity, a third negative pressure cavity are sequentially communicated with the second negative pressure cavity and a third negative pressure cavity.

3. The dual suction wheel pant diaper sheet molding apparatus as defined in claim 2, wherein: the upper and lower two the opening part in third negative pressure chamber on the distribution dish all installs the arc sunshade, be equipped with a plurality of bar notch of interval arrangement on the arc sunshade, upper and lower two the bar notch on the arc sunshade staggers each other in proper order and sets up.

4. The double-absorption-wheel paper diaper sheet forming device according to claim 1, wherein at least one adjusting gasket is arranged between two adjacent reels, and the adjusting gasket is sleeved on the rotating shaft.

5. The dual suction wheel pant diaper sheet molding apparatus as defined in claim 1, wherein: the number of the elastic sheet components is 2-4.

6. A molding method of a double absorption wheel diaper sheet molding device, which uses the double absorption wheel diaper sheet molding device according to any one of claims 1-5 for molding, and is characterized in that: the method comprises the following steps:

step 2: the stainless steel net rotates along with the wheel body framework, and the mixture of the pulp and the macromolecule absorbent resin in the second molding cavity of the molding bin is further absorbed on the outer surface of the pulp layer through the second negative pressure cavity in the absorption wheel to form a mixed material layer;

step 3: the stainless steel net rotates along with the wheel body framework, the mixture of paper pulp and high-molecular water-absorbent resin in the second molding cavity of the molding bin is further absorbed through a third negative pressure cavity in the absorption wheel, and meanwhile, the stainless steel net is matched with the arc-shaped shielding plate for use, so that a plurality of strip-shaped protruding parts which are arranged at intervals can be formed on the outer surface of the mixed material layer, and a semi-finished product absorption core can be formed through absorption of a single absorption wheel;