CN117734188B - Remaining needle attaching device and attaching process thereof - Google Patents

Remaining needle attaching device and attaching process thereof Download PDF

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Publication number
CN117734188B
CN117734188B CN202410191926.7A CN202410191926A CN117734188B CN 117734188 B CN117734188 B CN 117734188B CN 202410191926 A CN202410191926 A CN 202410191926A CN 117734188 B CN117734188 B CN 117734188B
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China
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film
liquid
die
roller
cutting
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CN117734188A (en
Inventor
宋光辉
王百川
顾长增
陈志勇
王宝洁
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Shandong Hoaco Automation Technology Co Ltd
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Shandong Hoaco Automation Technology Co Ltd
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Abstract

The invention provides a retaining needle attaching device and an attaching process thereof, and relates to the technical field of retaining needle attaching, the retaining needle attaching device comprises a multifunctional cutter holder, a PU film die cutting and waste stripping mechanism, a non-woven fabric attaching mechanism, a liquid absorbing cotton die cutting and attaching mechanism and a base paper attaching mechanism are arranged on the multifunctional cutter holder, the PU film die cutting and waste stripping mechanism comprises a PU film traction assembly, a PU film die cutting and windowing assembly and a PU film die cutting and waste stripping assembly, and the liquid absorbing cotton die cutting and attaching mechanism comprises a sliding frame provided with a liquid absorbing cotton traction assembly and a liquid absorbing cotton die cutting and attaching assembly.

Description

Remaining needle attaching device and attaching process thereof
Technical Field
The invention relates to the technical field of adhering and attaching of indwelling needles, in particular to an adhering and attaching device and an adhering process of the adhering and attaching device.
Background
In the process of the indwelling needle attaching processing, the traditional processing method needs to use a plurality of knife holders to realize the attachment of the PU film, the non-woven fabric, the liquid-absorbing cotton and the base paper, the setting of the knife holders not only increases the length of the indwelling needle attaching device, but also reduces the processing precision of the indwelling needle attaching because of the unavoidable installation error between the knife holders and the knife holders, and the PU film, the non-woven fabric, the liquid-absorbing cotton and the base paper vibrate and deviate due to external factors when the PU film, the non-woven fabric, the liquid-absorbing cotton and the base paper are conveyed between the knife holders, thereby leading to poor attaching precision of the PU film, the non-woven fabric, the liquid-absorbing cotton and the base paper.
Accordingly, there is a need for an indwelling needle attaching device and an attaching process thereof that solve the above-described problems.
Disclosure of Invention
The invention provides an indwelling needle attaching device and an attaching process thereof, which can realize die cutting of a PU film and liquid-absorbing cotton and attaching of the PU film, non-woven fabrics, the liquid-absorbing cotton and base paper by only one multifunctional tool apron, and avoid the processing error and the mounting error of the indwelling needle attaching caused by the arrangement of multiple tool apron, thereby improving the processing precision of the indwelling needle attaching.
The technical scheme of the invention is realized as follows:
keep somewhere needle and paste laminating device, including multi-functional blade holder, along the direction of advance of PU membrane, be provided with on the multi-functional blade holder:
The PU film die cutting and waste stripping mechanism is used for carrying out traction, die cutting and waste stripping on the PU film and comprises a PU film traction assembly, a PU film die cutting and window opening assembly and a PU film die cutting waste stripping assembly;
The non-woven fabric laminating mechanism is used for laminating the PU film subjected to die cutting and waste stripping with non-woven fabrics;
The liquid-absorbing cotton die-cutting and laminating mechanism is used for die-cutting liquid-absorbing cotton and laminating the die-cut liquid-absorbing cotton to be sheet-shaped at the windowing position of the PU film one by one, the liquid-absorbing cotton die-cutting and laminating mechanism comprises a sliding frame, a liquid-absorbing cotton traction assembly and a liquid-absorbing cotton die-cutting and laminating assembly are arranged on the sliding frame from bottom to top, the liquid-absorbing cotton traction assembly comprises a first liquid-absorbing cotton traction roller rotationally arranged on the sliding frame, the first liquid-absorbing cotton traction roller is in transmission connection with a second liquid-absorbing cotton traction roller, the first liquid-absorbing cotton traction roller and the second liquid-absorbing cotton traction roller are horizontally arranged, the second liquid-absorbing cotton traction roller is arranged at the downstream of the first liquid-absorbing cotton traction roller, the liquid-absorbing cotton die-cutting and laminating assembly comprises a liquid-absorbing cotton transmission bottom roller, a liquid-absorbing cotton transmission roller and a liquid-absorbing knife roller which are arranged on the sliding frame along the advancing direction of the PU film, the liquid-absorbing cotton transmission bottom roller and the liquid-absorbing knife roller are horizontally arranged, the liquid-absorbing cotton transmission roller is in transmission connection with the liquid-absorbing cotton traction roller, and the liquid-absorbing cotton knife roller is in transmission connection with the liquid-absorbing knife blade seat along the direction of the sliding frame, and the liquid-absorbing cotton transmission bottom roller is in the direction along the direction of the multiple transmission axes;
The base paper laminating mechanism is used for laminating base paper to the base paper laminating mechanism at the bottom of the liquid absorbing cotton, and the sliding frame is arranged between the non-woven fabric laminating mechanism and the base paper laminating mechanism.
As a preferable technical scheme, the PU film traction assembly comprises a first PU film traction roller rotatably arranged on the multifunctional tool apron, and a second PU film traction roller is connected with the first PU film traction roller in a transmission way;
the PU film die-cutting window opening assembly comprises a PU film transmission bottom roller, a PU film die-cutting bottom roller and a PU film die-cutting cutter roller which are arranged on the multifunctional cutter seat from bottom to top, wherein the PU film die-cutting bottom roller is in transmission connection with the PU film transmission bottom roller, and the PU film die-cutting bottom roller is in transmission connection with the PU film die-cutting cutter roller;
The PU film die-cutting waste stripping assembly comprises a first stripping knife used for stripping PU film die-cutting waste on the PU film, the first stripping knife is slidably mounted on the multifunctional knife holder along the advancing direction of the PU film, a pair of waste discharge rollers rotatably mounted on the multifunctional knife holder are arranged at the downstream of the first stripping knife, the waste discharge rollers are in transmission connection, each waste discharge roller is provided with a plurality of waste discharge wheels, and the waste discharge wheels on the waste discharge rollers are arranged in pairs.
As a preferred technical scheme, non-woven fabrics laminating mechanism includes first non-woven fabrics laminating roller, first non-woven fabrics laminating roller rotate install in on the multi-functional blade holder, first non-woven fabrics laminating roller transmission is connected with the second non-woven fabrics laminating roller, still including install in be used for peeling off the non-woven fabrics on the multi-functional blade holder from the second stripping knife of taking back of the body backing paper, the second stripping knife set up in non-woven fabrics laminating mechanism with between the cotton cross cutting laminating mechanism of imbibition.
As a preferred technical scheme, the base paper laminating mechanism comprises a first base paper laminating roller, the first base paper laminating roller is rotatably arranged on the multifunctional tool apron, and a second base paper laminating roller is connected with the first base paper laminating roller in a transmission manner.
As a preferable technical scheme, the sliding component comprises a plurality of fixed blocks fixedly mounted on the multifunctional tool apron, each fixed block is provided with a sliding groove, each sliding groove extends along the axial direction of the air suction tool roll, a pair of sliding rods are mounted on the sliding frame, each sliding rod is slidably mounted in the corresponding sliding groove, and a positioning bolt is arranged between the multifunctional tool apron and the sliding frame.
As a preferable technical scheme, a first stripping knife adjusting assembly for adjusting the first stripping knife to move in the horizontal direction is arranged on the multifunctional knife holder, the first stripping knife adjusting assembly comprises an adjusting shaft rotatably arranged on the multifunctional knife holder, a pair of adjusting gears are arranged on the adjusting shaft, a pair of adjusting racks are slidably arranged on the multifunctional knife holder along the advancing direction of the PU film, each adjusting gear is meshed with the corresponding adjusting rack, the first stripping knife is arranged between the two adjusting racks, and one end of the adjusting shaft penetrates through the multifunctional knife holder and is provided with an adjusting knob.
As a preferred technical scheme, still include a pair of regulation subassembly that is used for adjusting distance between first imbibition cotton traction roller with the second imbibition cotton traction roller, every regulation subassembly all set up in on the carriage, every regulation subassembly all including install in an adjusting plate on the carriage, every the one end of adjusting plate pass through articulated lever articulated in on the carriage articulated have two actuating cylinder on the carriage, every the other end of adjusting plate all with correspond actuating cylinder's piston rod articulates, every the adjusting plate is close to actuating cylinder's one end is provided with the spacing groove, every all be provided with a pair of relative spacing bolt that sets up on the adjusting plate, every spacing bolt all passes corresponds the inner wall of spacing groove the carriage is last to be installed a pair of stopper, every stopper all sets up in two corresponds between the spacing bolt.
As a preferable technical scheme, a limiting plate is arranged on the adjusting plate through a fixing bolt, and two ends of the second liquid-absorbing cotton traction roller are respectively and rotatably arranged between the adjusting plate and the limiting plate.
As a preferable technical scheme, the multifunctional knife holder is provided with a conveying assembly for conveying the PU film die-cut waste, the conveying assembly is arranged at the downstream of the two waste discharging rollers, the conveying assembly comprises a driving roller and a driven roller which are rotatably arranged on the multifunctional knife holder, and a conveying belt is arranged between the driving roller and the driven roller.
The other technical scheme of the invention is realized as follows:
the attaching process of the attaching device for the indwelling needle specifically comprises the following steps:
S1, die cutting the PU film: the PU film enters the PU film die-cutting and window-opening assembly through the traction of the PU film traction assembly, and the PU film die-cutting and window-opening assembly die-cuts a row of windows for attaching the liquid absorbent cotton on the PU film according to the die-cutting requirement of the PU film;
S2, stripping PU film die-cutting waste: the PU film after being subjected to die cutting and windowing passes through the PU film die cutting waste stripping assembly, wherein the PU film die cutting waste stripping assembly comprises a first stripping knife and two waste discharging rollers, and under the action of the first stripping knife, the advancing direction of the PU film is changed, so that the PU film die cutting waste is lifted from the PU film and enters between the two waste discharging rollers, and the stripping of the PU film die cutting waste is realized;
S3, attaching the PU film and the non-woven fabric: the PU film and the processed non-woven fabric which are peeled off from the PU film die-cut waste simultaneously enter the non-woven fabric laminating mechanism, so that the PU film and the non-woven fabric are laminated together;
S4, stripping the non-woven fabric self-carrying backing paper: a second stripping knife is arranged between the non-woven fabric laminating mechanism and the liquid-absorbing cotton die-cutting laminating mechanism, and the PU film is laminated with the non-woven fabric and then is stripped from the non-woven fabric by the backing paper through the second stripping knife;
S5, die-cutting the liquid-absorbent cotton and attaching the die-cut liquid-absorbent cotton to the PU film one by one: the liquid-absorbing cotton is pulled into the liquid-absorbing cotton die-cutting and attaching assembly through the liquid-absorbing cotton pulling assembly, the liquid-absorbing cotton is die-cut into sheets through the liquid-absorbing cotton die-cutting and attaching assembly, and the sheet-shaped liquid-absorbing cotton is attached to the die-cutting window of the PU film one by one;
s6, attaching the base paper to the bottom of the liquid-absorbing cotton:
After the non-woven fabrics and the liquid-absorbing cotton are attached to the PU film, the PU film and the base paper simultaneously pass through the base paper attaching mechanism, so that the base paper is attached to the bottom of the liquid-absorbing cotton.
By adopting the technical scheme, the invention has the beneficial effects that:
the invention discloses a device for attaching a needle to be attached, which comprises a PU film die-cutting and waste stripping mechanism, a non-woven fabric attaching mechanism, a liquid-absorbing cotton die-cutting attaching mechanism and a base paper attaching mechanism, wherein in the production process of needle attachment, a PU film sequentially passes through a PU film traction assembly, a PU film die-cutting and windowing assembly and a PU film die-cutting and waste stripping assembly, the traction of the PU film, the die-cutting and windowing and the peeling and waste discharge of the PU film die-cutting waste are realized, then the device and the non-woven fabric simultaneously pass through the non-woven fabric attaching mechanism, the attachment of the PU film and the non-woven fabric is realized, the liquid-absorbing cotton sequentially passes through the liquid-absorbing cotton traction assembly and the liquid-absorbing cotton die-cutting attaching assembly, the traction and die-absorbing cotton are realized, the liquid-absorbing cotton after the die-cutting is absorbed on an air-absorbing knife roller, the rotation of the air-absorbing knife roller and the die-cutting and windowing position of the PU film are attached, the attachment of the PU film and the PU film is realized, the PU film and the die-cutting and the waste is simultaneously passed through the base paper attaching mechanism at the position of the die-cutting and the base paper, and the PU film and the attachment of the non-woven fabric is realized, and the attachment error of the needle attachment is avoided, and the needle attachment is processed and the needle attachment is attached.
The liquid suction cotton die cutting laminating mechanism comprises a sliding frame which is slidably arranged on the multifunctional tool apron, when the air suction roller and the air suction knife roller are required to be replaced, the positioning bolt can be unlocked, the sliding frame is slid in the direction away from the multifunctional tool apron, namely, certain installation space exists on two sides of the sliding frame, replacement of the air suction roller and the air suction knife roller is facilitated, in the invention, the arrangement of the sliding frame ensures that the air suction roller and the air suction knife roller are easy to replace, and meanwhile, the installation distance among the non-woven fabric laminating mechanism, the liquid suction cotton die cutting laminating mechanism and the base paper laminating mechanism is reduced, so that the precision of laminating PU film with liquid suction cotton and the precision of laminating PU film with base paper are reduced, and further the machining precision of the remaining needle laminating is improved.
Because the backing paper laminating mechanism sets up in the low reaches of imbibition cotton cross cutting laminating mechanism, when PU membrane and backing paper pass between first backing paper laminating roller and the second backing paper laminating roller simultaneously, realized the laminating of PU membrane and backing paper, still laminate the imbibition cotton of pasting on the PU membrane simultaneously, make PU membrane and imbibition cotton laminating inseparabler.
Because PU membrane die-cutting waste stripping mechanism includes PU membrane die-cutting waste stripping component, after PU membrane die-cutting, under the effect of first stripping knife, the advancing direction of PU membrane changes, this makes the one end of PU membrane die-cutting waste upwarp from the PU membrane, along with the rotation of exhaust wheel, PU membrane die-cutting waste is carried away, PU membrane falls on the conveyer belt along the pinion rack, then be carried away, in the invention, the setting of first stripping knife has realized that PU membrane die-cutting waste is stripped from the PU membrane, the setting of exhaust wheel and conveyer belt has realized the exhaust of PU membrane die-cutting waste, the setting of curb plate and pinion rack has realized keeping off the effect of material, prevent PU membrane die-cutting waste from falling to the conveyer belt outside.
The PU film die-cutting waste stripping assembly comprises a first stripping knife which is slidably mounted on the multifunctional knife holder, and the adjusting knob is rotated to enable the adjusting rack to be meshed with the adjusting gear, so that the first stripping knife slides along the advancing direction of the PU film, the stripping position of the PU film die-cutting waste can be adjusted according to the die-cutting condition of the PU film, and the PU film die-cutting waste can be matched with the waste discharge wheel better.
Because keep somewhere needle subsides laminating device includes adjusting part, pass liquid-absorbing cotton from first liquid-absorbing cotton traction roller and second liquid-absorbing cotton traction roller between, the drive of actuating cylinder is down with the regulating plate to keeping away from the direction rotation of first liquid-absorbing cotton traction roller, produce the installation clearance between first liquid-absorbing cotton traction roller and the second liquid-absorbing cotton traction roller, pass liquid-absorbing cotton from the installation clearance, in the invention, adjusting part's setting, the regulation in clearance between first liquid-absorbing cotton traction roller and the second liquid-absorbing cotton traction roller has been realized, when having made things convenient for liquid-absorbing cotton installation, still make liquid-absorbing cotton traction part can pull the liquid-absorbing cotton of different thickness, the application scope of liquid-absorbing cotton traction part has been improved, the setting of limiting groove and stopper can be limited by the rotation angle of regulating plate, prevent that the drive gear on first liquid-absorbing cotton traction roller and the second liquid-absorbing cotton traction roller from taking off tooth and the gear damage that the transition meshing caused, thereby the effectual drive gear that has protected, the setting of limit bolt, the rotation angle of regulating plate carries out further spacing, thereby the meshing condition of different drive gears, the condition of the meshing condition of the drive gear has been improved, the whole can only need to dismantle the regulating plate when the second liquid-absorbing cotton traction roller to be dismantled, the setting can be convenient for the whole to dismantle the regulating plate.
Because the remaining needle pasting device comprises a second stripping knife, the rotating shaft is rotated by rotating the knob, so that the angle of the second stripping knife is adjusted.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is an enlarged schematic view of the structure of FIG. 1A;
FIG. 3 is a schematic view of another angle of the present invention;
Fig. 4 is a schematic structural view of a liquid absorbent cotton die-cutting and attaching mechanism;
FIG. 5 is a schematic structural view of a fixed block;
Fig. 6 is a bonding process diagram of the present invention.
Wherein: 1. multifunctional tool apron; 2. a PU film; 3. a nonwoven fabric; 4. liquid-absorbing cotton; 5. a carriage; 6. a first absorbent cotton pull roll; 7. a second absorbent cotton pull roll; 8. a liquid-absorbing cotton transmission bottom roller; 9. an air suction roller; 10. an air suction knife roll; 11. a base paper; 12. a first PU film traction roller; 13. a second PU film traction roller; 14. PU film transmission bottom roller; 15. PU film die-cutting bottom roller; 16. PU film die cutter roller; 17. a first stripping knife; 18. a waste discharge roller; 19. waste discharge wheel; 20. a first nonwoven fabric laminating roller; 21. a second nonwoven fabric laminating roller; 22. the non-woven fabric is provided with backing paper; 23. a second stripping knife; 24. a first base paper laminating roller; 25. a second base paper laminating roller; 26. a fixed block; 27. a chute; 28. a slide bar; 29. positioning bolts; 30. an adjusting shaft; 31. an adjusting gear; 32. adjusting the rack; 33. an adjustment knob; 34. an adjusting plate; 35. a hinge rod; 36. a driving cylinder; 37. a limit groove; 38. a limit bolt; 39. a limiting block; 40. a fixing bolt; 41. a limiting plate; 42. a drive roll; 43. driven roller; 44. a conveyor belt; 45. a side plate; 46. a toothed plate; 47. a rotating shaft; 48. rotating a knob; 49. a transmission gear.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Embodiment one:
As shown in fig. 1-6, the retaining needle attaching device comprises a multifunctional cutter holder 1, wherein the multifunctional cutter holder 1 is provided with:
the PU film die-cutting waste stripping mechanism is used for carrying out traction, die-cutting and waste stripping on the PU film 2 and comprises a PU film traction component, a PU film die-cutting window opening component and a PU film die-cutting waste stripping component.
And the non-woven fabric laminating mechanism is used for laminating the PU film 2 subjected to die cutting and waste stripping with the non-woven fabric 3.
The liquid-absorbing cotton die-cutting and laminating mechanism is used for die-cutting liquid-absorbing cotton 4 and laminating the die-cut liquid-absorbing cotton 4 at the window opening position of the PU film 2 one by one, the liquid-absorbing cotton die-cutting and laminating mechanism comprises a sliding frame 5, the sliding frame 5 is provided with a liquid-absorbing cotton traction assembly and a liquid-absorbing cotton die-cutting and laminating assembly from bottom to top, the liquid-absorbing cotton traction assembly comprises a first liquid-absorbing cotton traction roller 6 rotatably arranged on the sliding frame 5, the first liquid-absorbing cotton traction roller 6 is in transmission connection with a second liquid-absorbing cotton traction roller 7, the first liquid-absorbing cotton traction roller 6 and the second liquid-absorbing cotton traction roller 7 are horizontally arranged, the second liquid-absorbing cotton traction roller 7 is arranged at the downstream of the first liquid-absorbing cotton traction roller 6, the liquid-absorbing cotton die-cutting and laminating assembly comprises a liquid-absorbing cotton transmission bottom roller 8, a liquid-absorbing roller 9 and a liquid-absorbing knife roller 10 which are arranged on the sliding frame 5 along the advancing direction of the PU film 2, the liquid-absorbing cotton transmission bottom roller 9 and the knife roller 10 are horizontally arranged, the liquid-absorbing cotton transmission bottom roller 8 is in transmission connection with the liquid-absorbing cotton traction roller 9, and the liquid-absorbing knife roller 10 are in transmission connection, and the sliding frame 5 is arranged on a multifunctional knife seat 1 along the liquid-absorbing axis direction of the liquid-absorbing axis through the sliding assembly.
The sliding frame 5 is arranged between the non-woven fabric attaching mechanism and the base paper attaching mechanism and is used for attaching the base paper 11 to the base paper attaching mechanism at the bottom of the liquid absorbing cotton 4.
The PU film traction assembly comprises a first PU film traction roller 12 rotatably arranged on the multifunctional tool apron 1, and a second PU film traction roller 13 is connected with the first PU film traction roller 12 in a transmission manner.
The PU film die-cutting window opening assembly comprises a PU film transmission bottom roller 14, a PU film die-cutting bottom roller 15 and a PU film die-cutting rule roller 16 which are arranged on the multifunctional tool apron 1 from bottom to top, wherein the PU film die-cutting bottom roller 15 is in transmission connection with the PU film transmission bottom roller 14, and the PU film die-cutting bottom roller 15 is in transmission connection with the PU film die-cutting rule roller 16.
The PU film die-cutting waste stripping assembly comprises a first stripping knife 17 for stripping the PU film die-cutting waste on the PU film 2, the first stripping knife 17 is slidably mounted on the multifunctional knife holder 1 along the advancing direction of the PU film 2, a pair of waste discharge rollers 18 rotatably mounted on the multifunctional knife holder 1 are arranged at the downstream of the first stripping knife 17, the two waste discharge rollers 18 are in transmission connection, a plurality of waste discharge wheels 19 are arranged on each waste discharge roller 18, and the waste discharge wheels 19 on the two waste discharge rollers 18 are arranged in a pair by pair.
And, non-woven fabrics laminating mechanism includes first non-woven fabrics laminating roller 20, and first non-woven fabrics laminating roller 20 rotates to be installed on multi-functional blade holder 1, and first non-woven fabrics laminating roller 20 transmission is connected with second non-woven fabrics laminating roller 21, still including installing the second that is used for peeling off the non-woven fabrics from taking backing paper 22 on multi-functional blade holder 1 and peeling off sword 23 setting is between non-woven fabrics laminating mechanism and imbibition cotton cross cutting laminating mechanism.
Still, the base paper laminating mechanism includes first base paper laminating roller 24, and first base paper laminating roller 24 rotates to be installed on multi-functional blade holder 1, and first base paper laminating roller 24 transmission is connected with second base paper laminating roller 25.
Next, the sliding assembly comprises a plurality of fixing blocks 26 fixedly mounted on the multifunctional tool apron 1, each fixing block 26 is provided with a sliding groove 27, the sliding grooves 27 extend along the axial direction of the air suction tool roll 10, a pair of sliding rods 28 are mounted on the sliding frame 5, each sliding rod 28 is slidably mounted in the corresponding sliding groove 27, and a positioning bolt 29 is arranged between the multifunctional tool apron 1 and the sliding frame 5.
A first peeling knife adjusting assembly for adjusting the movement of the first peeling knife 17 in the horizontal direction is arranged on the multifunctional knife holder 1, the first peeling knife adjusting assembly comprises an adjusting shaft 30 rotatably arranged on the multifunctional knife holder 1, a pair of adjusting gears 31 are arranged on the adjusting shaft 30, a pair of adjusting racks 32 are slidably arranged on the multifunctional knife holder 1 along the advancing direction of the PU film 2, each adjusting gear 31 is meshed with the corresponding adjusting rack 32, the first peeling knife 17 is arranged between the two adjusting racks 32, and one end of the adjusting shaft 30 penetrates through the multifunctional knife holder 1 and is provided with an adjusting knob 33.
The device further comprises a pair of adjusting components for adjusting the distance between the first liquid-absorbing cotton traction roller 6 and the second liquid-absorbing cotton traction roller 7, each adjusting component is arranged on the sliding frame 5 and comprises an adjusting plate 34 arranged on the sliding frame 5, one end of each adjusting plate 34 is hinged on the sliding frame 5 through a hinging rod 35, two driving air cylinders 36 are hinged on the sliding frame 5, the other end of each adjusting plate 34 is hinged with a piston rod corresponding to the driving air cylinder 36, a limiting groove 37 is formed in one end, close to the driving air cylinder 36, of each adjusting plate 34, a pair of limiting bolts 38 are arranged oppositely, each limiting bolt 38 penetrates through the inner wall of the corresponding limiting groove 37, a pair of limiting blocks 39 are arranged on the sliding frame 5, and each limiting block 39 is arranged between the two corresponding limiting bolts 38.
A limiting plate 41 is arranged on the adjusting plate 34 through a fixing bolt 40, and two ends of the second liquid-absorbing cotton traction roller 7 are respectively and rotatably arranged between the corresponding adjusting plate 34 and the corresponding limiting plate 41.
The multifunctional knife holder 1 is provided with a conveying assembly for conveying PU film die-cut waste, the conveying assembly is arranged at the downstream of the two waste discharging rollers 18 and comprises a driving roller 42 and a driven roller 43 which are rotatably arranged on the multifunctional knife holder 1, and a conveying belt 44 is arranged between the driving roller 42 and the driven roller 43.
A pair of side plates 45 for guiding the PU film die-cut waste are fixedly mounted on the multifunctional tool apron 1, each waste discharge wheel 19 is arranged between the two side plates 45, a pair of toothed plates 46 matched with the corresponding waste discharge wheel 19 are mounted between the two side plates 45, and each toothed plate 46 is arranged between the waste discharge roller 18 and the conveying belt 44.
A rotating shaft 47 for adjusting the angle of the second peeling knife 23 is rotatably mounted on the multifunctional knife holder 1, the second peeling knife 23 is mounted on the rotating shaft 47, and one end of the rotating shaft 47 penetrates out of the multifunctional knife holder 1 and is connected with a rotating knob 48.
The first PU film traction roller 12, the PU film transmission bottom roller 14, one of the waste discharge rollers 18, the driving roller 42, the first nonwoven fabric laminating roller 20, the first absorbent cotton traction roller 6, the absorbent cotton transmission bottom roller 8 and the first base paper laminating roller 24 are respectively connected with a servo motor, and the servo motors are not marked in the figure.
In the present invention, the drive connections are all engaged by a drive gear 49.
Embodiment two:
The laminating process of the retaining needle laminating device specifically comprises the following steps:
S1, die cutting PU film 2: the PU film 2 is pulled into the PU film die-cutting and windowing assembly through the PU film pulling assembly, and the PU film die-cutting and windowing assembly die-cuts a row of windows for attaching the liquid-absorbing cotton 4 on the PU film 2 according to the die-cutting requirement of the PU film 2.
S2, stripping PU film die-cutting waste: the PU film 2 after the die-cutting and windowing passes through the PU film die-cutting waste stripping component, and the PU film die-cutting waste stripping component comprises a first stripping knife 17 and two waste discharging rollers 18, and under the action of the first stripping knife 17, the advancing direction of the PU film 2 is changed, so that the PU film die-cutting waste is lifted from the PU film 2 and enters between the two waste discharging rollers 18, and the stripping of the PU film die-cutting waste is realized.
S3, attaching the PU film and the non-woven fabric 3: and the PU film 2 from which the PU film die-cut waste is peeled and the nonwoven 3 which is processed enter a nonwoven laminating mechanism simultaneously, so that the PU film 2 and the nonwoven 3 are laminated together.
S4, stripping the non-woven fabric from the backing paper 22: a second stripping knife 23 is arranged between the non-woven fabric laminating mechanism and the liquid-absorbing cotton die-cutting laminating mechanism, and the non-woven fabric is stripped from the non-woven fabric 3 by the second stripping knife 23 after the PU film 2 is laminated with the non-woven fabric 3.
S5, die-cutting the liquid-absorbent cotton 4, and attaching the die-cut liquid-absorbent cotton 4 to the PU film 2 one by one: the liquid-absorbing cotton 4 enters the liquid-absorbing cotton die-cutting and attaching assembly through the traction of the liquid-absorbing cotton traction assembly, the liquid-absorbing cotton 4 is die-cut into slices by the liquid-absorbing cotton die-cutting and attaching assembly, and the slice-shaped liquid-absorbing cotton 4 is attached to the die-cutting window of the PU film 2 one by one.
S6, attaching the base paper 11 to the bottom of the liquid-absorbing cotton 4: after the non-woven fabric 3 and the liquid-absorbing cotton 4 are attached to the PU film 2, the PU film 2 and the base paper 11 simultaneously pass through the base paper attaching mechanism, so that the base paper 11 is attached to the bottom of the liquid-absorbing cotton 4.
The application method of the invention is as follows:
Firstly, the PU film 2 passes through the space between the first PU film traction roller 12 and the second PU film traction roller 13, then passes through the space between the PU film die-cutting bottom roller 15 and the PU film die-cutting knife roller 16, and a plurality of windows for attaching the liquid absorbent cotton 4 are die-cut on the PU film 2 according to the process requirements along with the rotation of the PU film die-cutting knife roller 16, so that the die-cutting and window opening of the PU film 2 is completed.
Secondly, under the action of the first stripping knife 17, the advancing direction of the PU film 2 is changed, one end of the PU film die-cutting waste is lifted from the PU film 2, the PU film die-cutting waste is gradually stripped from the PU film 2 along with the advancing of the PU film 2, and the PU film die-cutting waste is guided by the conveying of the waste discharging wheel 19, the side plate 45 and the toothed plate 46 and falls on the conveying belt 44 and is conveyed away, so that the stripping and waste discharging of the PU film die-cutting waste are completed.
And thirdly, after the PU film die-cutting waste is stripped from the PU film 2, the PU film 2 and the non-woven fabric 3 pass through the space between the first non-woven fabric laminating roller 20 and the second non-woven fabric laminating roller 21 at the same time, and then the lamination of the PU film 2 and the non-woven fabric 3 is completed.
Fourth, after the PU film 2 is bonded to the nonwoven fabric 3, the nonwoven fabric is peeled off from the tape backing paper 22 by the second peeling knife 23.
And fifthly, the liquid-absorbing cotton 4 passes through the space between the first liquid-absorbing cotton traction roller 6 and the second liquid-absorbing cotton traction roller 7, then passes through the space between the liquid-absorbing cotton transmission bottom roller 8 and the air suction roller 9, winds around the bottom of the air suction roller 9, passes out of the space between the air suction roller 9 and the air suction cutter roller 10, and is die-cut into pieces between the air suction roller 9 and the air suction cutter roller 10, so that the die-cutting of the liquid-absorbing cotton 4 is completed.
And sixthly, absorbing the liquid-absorbing cotton 4 after die cutting into slices on the air suction knife roller 10, and enabling the liquid-absorbing cotton 4 after die cutting into slices to pass through the top of the air suction knife roller 10 one by one and be attached to the die cutting and windowing positions of the corresponding PU films 2 along with the rotation of the air suction knife roller 10, namely attaching the liquid-absorbing cotton 4 after die cutting to the die cutting and windowing positions of the PU films 2.
Seventh, after the PU film 2 is attached to the absorbent cotton 4, the PU film and the base paper 11 pass through the space between the first base paper attaching roller 24 and the second base paper attaching roller 25 at the same time, and thus the PU film 2 is attached to the base paper 11.
In conclusion, the die cutting of the PU film and the liquid-absorbing cotton and the bonding of the PU film, the non-woven fabric, the liquid-absorbing cotton and the base paper can be realized by only one multifunctional tool apron, so that the processing error and the mounting error of the indwelling needle paste caused by the arrangement of the multiple tool apron are avoided, and the processing precision of the indwelling needle paste is improved.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.

Claims (10)

1. Keep somewhere needle subsides laminating device, including multi-functional blade holder, its characterized in that, along the direction of advance of PU membrane, be provided with on the multi-functional blade holder:
The PU film die cutting and waste stripping mechanism is used for carrying out traction, die cutting and waste stripping on the PU film and comprises a PU film traction assembly, a PU film die cutting and window opening assembly and a PU film die cutting waste stripping assembly;
The non-woven fabric laminating mechanism is used for laminating the PU film subjected to die cutting and waste stripping with non-woven fabrics;
The liquid-absorbing cotton die-cutting and laminating mechanism is used for die-cutting liquid-absorbing cotton and laminating the die-cut liquid-absorbing cotton to be sheet-shaped at the windowing position of the PU film one by one, the liquid-absorbing cotton die-cutting and laminating mechanism comprises a sliding frame, a liquid-absorbing cotton traction assembly and a liquid-absorbing cotton die-cutting and laminating assembly are arranged on the sliding frame from bottom to top, the liquid-absorbing cotton traction assembly comprises a first liquid-absorbing cotton traction roller rotationally arranged on the sliding frame, the first liquid-absorbing cotton traction roller is in transmission connection with a second liquid-absorbing cotton traction roller, the first liquid-absorbing cotton traction roller and the second liquid-absorbing cotton traction roller are horizontally arranged, the second liquid-absorbing cotton traction roller is arranged at the downstream of the first liquid-absorbing cotton traction roller, the liquid-absorbing cotton die-cutting and laminating assembly comprises a liquid-absorbing cotton transmission bottom roller, a liquid-absorbing cotton transmission roller and a liquid-absorbing knife roller which are arranged on the sliding frame along the advancing direction of the PU film, the liquid-absorbing cotton transmission bottom roller and the liquid-absorbing knife roller are horizontally arranged, the liquid-absorbing cotton transmission roller is in transmission connection with the liquid-absorbing cotton traction roller, and the liquid-absorbing cotton knife roller is in transmission connection with the liquid-absorbing knife blade seat along the direction of the sliding frame, and the liquid-absorbing cotton transmission bottom roller is in the direction along the direction of the multiple transmission axes;
The base paper laminating mechanism is used for laminating base paper to the base paper laminating mechanism at the bottom of the liquid absorbing cotton, and the sliding frame is arranged between the non-woven fabric laminating mechanism and the base paper laminating mechanism.
2. The indwelling needle attaching device according to claim 1, wherein said PU film pulling assembly comprises a first PU film pulling roll rotatably mounted on said multifunctional blade holder, said first PU film pulling roll drivingly connected to a second PU film pulling roll;
the PU film die-cutting window opening assembly comprises a PU film transmission bottom roller, a PU film die-cutting bottom roller and a PU film die-cutting cutter roller which are arranged on the multifunctional cutter seat from bottom to top, wherein the PU film die-cutting bottom roller is in transmission connection with the PU film transmission bottom roller, and the PU film die-cutting bottom roller is in transmission connection with the PU film die-cutting cutter roller;
The PU film die-cutting waste stripping assembly comprises a first stripping knife used for stripping PU film die-cutting waste on the PU film, the first stripping knife is slidably mounted on the multifunctional knife holder along the advancing direction of the PU film, a pair of waste discharge rollers rotatably mounted on the multifunctional knife holder are arranged at the downstream of the first stripping knife, the waste discharge rollers are in transmission connection, each waste discharge roller is provided with a plurality of waste discharge wheels, and the waste discharge wheels on the waste discharge rollers are arranged in pairs.
3. The indwelling needle laminating device according to claim 1, wherein the nonwoven fabric laminating mechanism comprises a first nonwoven fabric laminating roller, the first nonwoven fabric laminating roller is rotatably mounted on the multifunctional cutter holder, the first nonwoven fabric laminating roller is in transmission connection with a second nonwoven fabric laminating roller, the indwelling needle laminating device further comprises a second peeling knife mounted on the multifunctional cutter holder and used for peeling off nonwoven fabric from backing paper, and the second peeling knife is arranged between the nonwoven fabric laminating mechanism and the liquid-absorbing cotton die-cutting laminating mechanism.
4. The indwelling needle laminating device according to claim 1, wherein the base paper laminating mechanism comprises a first base paper laminating roller rotatably mounted on the multifunctional cutter holder, and a second base paper laminating roller is in driving connection with the first base paper laminating roller.
5. The indwelling needle attaching device according to claim 1, wherein the sliding assembly comprises a plurality of fixing blocks fixedly mounted on the multifunctional tool apron, each fixing block is provided with a sliding groove, each sliding groove extends along the axial direction of the air suction tool roll, a pair of sliding rods are mounted on the sliding frame, each sliding rod is slidably mounted in the corresponding sliding groove, and a positioning bolt is arranged between the multifunctional tool apron and the sliding frame.
6. The indwelling needle attaching device according to claim 2, wherein a first peeling knife adjusting assembly for adjusting movement of the first peeling knife in a horizontal direction is provided on the multifunctional knife holder, the first peeling knife adjusting assembly includes an adjusting shaft rotatably mounted on the multifunctional knife holder, a pair of adjusting gears are mounted on the adjusting shaft, a pair of adjusting racks are slidably mounted on the multifunctional knife holder in a forward direction of the PU film, each of the adjusting gears is engaged with a corresponding one of the adjusting racks, the first peeling knife is mounted between the two adjusting racks, and one end of the adjusting shaft passes through the multifunctional knife holder and is mounted with an adjusting knob.
7. The indwelling needle attaching device according to claim 1, further comprising a pair of adjusting components for adjusting the distance between the first liquid-absorbing cotton traction roller and the second liquid-absorbing cotton traction roller, wherein each adjusting component is arranged on the sliding frame, each adjusting component comprises an adjusting plate installed on the sliding frame, one end of each adjusting plate is hinged on the sliding frame through a hinging rod, two driving cylinders are hinged on the sliding frame, the other end of each adjusting plate is hinged with a piston rod corresponding to each driving cylinder, a limiting groove is formed in one end, close to each driving cylinder, of each adjusting plate, each adjusting plate is provided with a pair of limiting bolts which are oppositely arranged, each limiting bolt penetrates through the inner wall corresponding to the limiting groove, a pair of limiting blocks are installed on the sliding frame, and each limiting block is arranged between the two corresponding limiting bolts.
8. The device for attaching an indwelling needle according to claim 7, wherein a limiting plate is mounted on said adjusting plate by a fixing bolt, and both ends of said second absorbent cotton pulling roll are respectively rotatably mounted between the corresponding adjusting plate and the corresponding limiting plate.
9. The indwelling needle attaching device according to claim 2, wherein a conveying assembly for conveying the PU film die-cut waste is mounted on the multifunctional cutter holder, the conveying assembly is arranged at the downstream of the two waste discharging rollers, the conveying assembly comprises a driving roller and a driven roller rotatably mounted on the multifunctional cutter holder, and a conveying belt is arranged between the driving roller and the driven roller.
10. The bonding process using the indwelling needle bonding device according to any one of claims 1 to 9, which is characterized by comprising the following steps:
S1, die cutting the PU film: the PU film enters the PU film die-cutting and window-opening assembly through the traction of the PU film traction assembly, and the PU film die-cutting and window-opening assembly die-cuts a row of windows for attaching the liquid absorbent cotton on the PU film according to the die-cutting requirement of the PU film;
S2, stripping PU film die-cutting waste: the PU film after being subjected to die cutting and windowing passes through the PU film die cutting waste stripping assembly, wherein the PU film die cutting waste stripping assembly comprises a first stripping knife and two waste discharging rollers, and under the action of the first stripping knife, the advancing direction of the PU film is changed, so that the PU film die cutting waste is lifted from the PU film and enters between the two waste discharging rollers, and the stripping of the PU film die cutting waste is realized;
S3, attaching the PU film and the non-woven fabric: the PU film and the processed non-woven fabric which are peeled off from the PU film die-cut waste simultaneously enter the non-woven fabric laminating mechanism, so that the PU film and the non-woven fabric are laminated together;
S4, stripping the non-woven fabric self-carrying backing paper: a second stripping knife is arranged between the non-woven fabric laminating mechanism and the liquid-absorbing cotton die-cutting laminating mechanism, and the PU film is laminated with the non-woven fabric and then is stripped from the non-woven fabric by the backing paper through the second stripping knife;
S5, die-cutting the liquid-absorbent cotton and attaching the die-cut liquid-absorbent cotton to the PU film one by one: the liquid-absorbing cotton is pulled into the liquid-absorbing cotton die-cutting and attaching assembly through the liquid-absorbing cotton pulling assembly, the liquid-absorbing cotton is die-cut into sheets through the liquid-absorbing cotton die-cutting and attaching assembly, and the sheet-shaped liquid-absorbing cotton is attached to the die-cutting window of the PU film one by one;
S6, attaching the base paper to the bottom of the liquid-absorbing cotton: after the non-woven fabrics and the liquid-absorbing cotton are attached to the PU film, the PU film and the base paper simultaneously pass through the base paper attaching mechanism, so that the base paper is attached to the bottom of the liquid-absorbing cotton.
CN202410191926.7A 2024-02-21 2024-02-21 Remaining needle attaching device and attaching process thereof Active CN117734188B (en)

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JPH01271343A (en) * 1988-04-23 1989-10-30 Wakoudou Kk Manufacture of wet tissue
JP2007282972A (en) * 2006-04-19 2007-11-01 Livedo Corporation Method for manufacturing absorbent article
JP2009034256A (en) * 2007-07-31 2009-02-19 Kao Corp Sheet joining device and manufacture process of absorbent article
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