WO2023109330A1 - 无纺布收卷机的切布装置 - Google Patents

无纺布收卷机的切布装置 Download PDF

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Publication number
WO2023109330A1
WO2023109330A1 PCT/CN2022/127950 CN2022127950W WO2023109330A1 WO 2023109330 A1 WO2023109330 A1 WO 2023109330A1 CN 2022127950 W CN2022127950 W CN 2022127950W WO 2023109330 A1 WO2023109330 A1 WO 2023109330A1
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WO
WIPO (PCT)
Prior art keywords
cloth
pair
roller
woven fabric
guide roller
Prior art date
Application number
PCT/CN2022/127950
Other languages
English (en)
French (fr)
Inventor
范立元
徐林
范莉
王月东
Original Assignee
江苏迎阳无纺机械有限公司
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Application filed by 江苏迎阳无纺机械有限公司 filed Critical 江苏迎阳无纺机械有限公司
Publication of WO2023109330A1 publication Critical patent/WO2023109330A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H19/00—Changing the web roll
    • B65H19/22—Changing the web roll in winding mechanisms or in connection with winding operations
    • B65H19/26—Cutting-off the web running to the wound web roll
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H18/00—Winding webs
    • B65H18/02—Supporting web roll
    • B65H18/028—Both ends type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H18/00—Winding webs
    • B65H18/08—Web-winding mechanisms
    • B65H18/10—Mechanisms in which power is applied to web-roll spindle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H23/00—Registering, tensioning, smoothing or guiding webs
    • B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
    • B65H23/26—Registering, tensioning, smoothing or guiding webs longitudinally by transverse stationary or adjustable bars or rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H26/00—Warning or safety devices, e.g. automatic fault detectors, stop-motions, for web-advancing mechanisms
    • B65H26/08—Warning or safety devices, e.g. automatic fault detectors, stop-motions, for web-advancing mechanisms responsive to a predetermined diameter

Definitions

  • the invention belongs to the technical field of non-woven machinery, and in particular relates to a cloth cutting device of a non-woven fabric winding machine.
  • the non-woven fabric winder is an indispensable machine in the complete non-woven product production line. Specifically, the winder will wind the non-woven fabric that has been needled by the previous process such as the needle punching machine. When the cloth roll After the diameter reaches the required requirement, it is cut off by the cloth cutting device, and then the cloth roll is used to take it up, and the cycle is like this.
  • non-woven fabric winding machine For the general structure and specific working principle of the non-woven fabric winding machine, it can also be passed through such as CN201545539U (a kind of non-woven fabric winding machine), CN211225653U (a kind of non-woven fabric winding machine), CN209038665U (a kind of non-woven fabric winding machine), CN209038665U (a kind of non-woven fabric winding machine) Cloth winder) and CN213084867U (a kind of non-woven fabric winder) and other patent documents to obtain a more in-depth understanding.
  • CN201545539U a kind of non-woven fabric winding machine
  • CN211225653U a kind of non-woven fabric winding machine
  • CN209038665U a kind of non-woven fabric winding machine
  • Cloth winder Cloth winder
  • CN213084867U a kind of non-woven fabric winder
  • a cloth cutting device is usually provided on the non-woven fabric winding machine.
  • Fig. 4 shows the common cloth cutting device of the non-woven fabric winding machine in the prior art. Its working process is: when the cloth When the diameter of the coil 10 reaches the degree required by the process (that is, when it reaches a full volume), the cylinder column 201 drives the swing arm 30 by the work of the cylinder 20, and the motor frame 40 moves downward together with the motor 401, and the belt drives the motor 401 to move rapidly.
  • the motor 401 drives the disc slice 4011 (also called “cutter disc”) fixed on its motor shaft to move at high speed, cutting off the non-woven fabric passing through the support mechanism 1, that is, cutting the disc blade 4011 below the non-woven fabric cut.
  • This cloth cutting device is substantially similar to the cloth cutting device equipped on the cloth spreading machine (also known as “pull cloth spreading machine") of clothing machinery, which can also be recommended by CN201416113Y “automatic cutting of cloth spreading machine” Mechanism” and CN209957085U provide "corresponding cutting device for spreading machine” proof.
  • the above-mentioned cloth cutting device of the non-woven fabric winding machine shown in Figure 4 can meet the requirements of cutting the non-woven fabric, there are the following technical problems: since the non-woven fabric is in the process of winding the cloth roll, the non-woven fabric The cloth is cut by the disc blade during the drawing-out movement process, and because the higher the speed of the needling machine, the faster the cloth coiling speed is correspondingly, the faster the drawing-out speed of the non-woven fabric is in the same example, so the circular
  • the incision of the non-woven fabric cut by the disk blade is often inclined from one side of the non-woven fabric to the other side, that is, the incision is an oblique incision, and the non-woven fabric at the oblique incision needs to be removed when used by downstream manufacturers, so that caused waste.
  • the task of the present invention is to provide a method that helps to cut off the non-woven fabric that continues to be in the lead-out state when the cloth roll is full and needs to be changed, and there will be no slope at the non-woven fabric cut site, so as to avoid waste and ensure quality.
  • the cloth cutting device of the non-woven fabric winding machine is to provide a method that helps to cut off the non-woven fabric that continues to be in the lead-out state when the cloth roll is full and needs to be changed, and there will be no slope at the non-woven fabric cut site, so as to avoid waste and ensure quality.
  • a cloth cutting device of a non-woven fabric winding machine comprising a cloth support mechanism, a cloth guide roller, a non-woven fabric cutting mechanism and a pair of swing arms corresponding to each other left and right
  • the cloth support mechanism is fixed between the upper front ends of a pair of swing arms, and the two ends of the cloth guide rollers each have a cloth guide roller supporting shaft head, and the non-woven fabric cutting mechanism is on the opposite side to the middle and lower parts of the front ends of the pair of swing arms.
  • a swing arm actuation wheel is respectively fixed on the opposite side of the rear end of a pair of swing arms, and the pair of swing arm actuation wheels rotate together with the rear end of a pair of swing arms It is nested on the support shaft head of the cloth guide roller, and it is characterized in that the non-woven fabric cutting mechanism includes a fixed beam of an action cylinder, a tension roller frame, a tension roller, and a set of non-woven fabric cutting knife holders , a non-woven fabric cutting knife, a non-woven fabric cutting tool holder connecting rod, a pair of pivoting arms, a pair of pivoting arm driving cylinders and a set of non-woven fabric cutting knife holder driving cylinders, the cylinders are fixed by a fixed beam Between the opposite sides of the lower front ends of the pair of swing arms, the tension roller frame is fixed between the opposite sides of the upper ends of the pair of pivot arms, and the tension roller is at a length corresponding to the length of the
  • the position above the direction is rotationally supported between the opposite sides of the upper ends of a pair of pivoting arms, and a group of non-woven fabric cutting tool rests are distributed between the pair of pivoting arms at intervals, and the lower ends of the group of non-woven fabric cutting knife rests
  • the rear threading sleeve is fixed on the middle part of a cutting tool holder connecting roller shaft, and the two ends of the cutting tool holder connecting roller shaft are respectively rotatably supported on a connecting roller shaft pivot bearing seat, and the connecting roller shaft pivot bearing seat is on
  • the position above the end of the fixed beam corresponding to the action cylinder is fixed to the opposite side of the front end lower part of the pair of swing arms, and the non-woven fabric cutting knife is fixed to the upper end of the non-woven fabric cutting knife holder and is connected to the expansion arm.
  • the non-woven fabric cutting knife holder connecting rod is fixedly connected to the middle part of a group of non-woven fabric cutting knife holders, and the lower ends of a pair of pivoting arms are pivotally connected to the front ends of a pair of swinging arms.
  • a pair of pivoting arm driving cylinders are respectively fixed on the two ends of the fixed beam of the cylinder.
  • the middle part of the opposite side of the pivoting arm is hinged, and the number of driving cylinders of a group of non-woven fabric cutting knife rests is equal to the number of a group of non-woven fabric cutting knife rests and is at a position corresponding to a group of non-woven fabric cutting knife rests.
  • the nonwoven cutting knife rest driving cylinder column of the nonwoven fabric cutting knife rest driving cylinder faces upward and is hinged with the lower end front of a group of nonwoven fabric cutting knife rests.
  • the supporting cloth mechanism includes a supporting cloth roller frame, a front supporting cloth roller and a rear supporting cloth roller, and the supporting cloth roller frame is positioned at the position corresponding to the pair of swing arms The middle position of the upper front end is fixed with a pair of swing arms.
  • the front supporting roller corresponds to the front of the supporting roller frame in the length direction
  • the shaft heads are each rotatably supported on the front supporting roller shaft head pivot bearing seat
  • the front supporting cloth roller shaft head pivot bearing seat is fixed with the front side of the supporting cloth roller frame
  • the rear supporting cloth roller corresponds to the supporting cloth roller
  • the rear of the length direction of the rack, and the rear supporting roller left shaft head and the rear supporting roller right shaft head are respectively rotatably supported on the pivot bearing seat of the rear supporting roller, and the rear supporting roller
  • the pivot bearing seat of the cloth roller shaft head is fixed to the rear side of the cloth roller stand.
  • the end of the cloth guide roller support shaft head facing the cloth guide roller corresponds to the center position of the cloth guide roller chamber of the cloth guide roller and is supported by a group of cloth guide roller support shafts.
  • the head web is fixed to the cavity wall of the fabric guide roller cavity, and the end of the fabric guide roller support shaft head extending out of the cloth guide roller cavity is rotatably supported on the cloth guide roller axis head set on the winder to pivot in the use state
  • the cloth guide roller is supported on the bearing seat and driven by the cloth guide roller shaft head pivoting drive device and the cloth guide roller shaft head drive device located at one end of the cloth guide roller through the cloth guide roller support shaft head to drive the cloth guide roller to rotate.
  • the group of cloth guide roller support shaft head webs are distributed in a radial pattern, and the cloth guide roller support shaft heads located at the left end and the right end of the cloth guide roller are arranged by a The cloth guide rollers in the cloth guide roller cavity are supported by shaft head connection shafts.
  • the swing arm actuation wheel is fixed to the side opposite to the rear end of the pair of swing arms through the swing arm actuation wheel screw, and is located at the center of the swing arm actuation wheel.
  • a swing arm actuation wheel bearing is arranged at the position, and the swing arm actuation wheel and the rear end of the swing arm are rotatably nested by the swing arm actuation wheel bearing at a position corresponding to the swing arm shaft head hole provided at the rear end of a pair of swing arms On the bearing head of the cloth guide roller.
  • the swing arm actuating wheel is a sprocket and is connected to the swing arm actuating wheel by a chain of the swing arm actuating wheel actuating device arranged on the winding machine
  • the swing arm actuating wheel driving device is a swing arm actuating wheel driving device with forward and reverse functions.
  • a pivot arm rotating support hole is opened at the lower ends of the pair of pivot arms, and on the opposite side of the front ends of the pair of swing arms and at the A pivot arm rotation support shaft is respectively fixed at a position corresponding to the rotation support hole of the pivot arm, and the rotation support hole of the pivot arm is pivotally matched with the rotation support shaft of the pivot arm.
  • a fixed beam fixing seat is fixed at both ends of the fixed beam of the action cylinder, and the fixed beam fixing seat is fixed to the opposite side of the lower front end of the pair of swing arms.
  • the rear side of the non-woven fabric cutting knife in the longitudinal direction is formed with a serrated edge of the non-woven fabric cutting knife.
  • the pair of pivoting arm driving cylinders are air cylinders; the set of non-woven fabric cutting blade holder driving cylinders are air cylinders.
  • the technical scheme provided by the invention adopts a non-woven fabric cutting mechanism with a reasonable structure, which helps to incline the non-woven fabric in the state of continuous drawing out by the non-woven fabric cutting knife when the cloth roll is full and needs to be changed. Cutting, no slope will be formed at the incision of the non-woven fabric, which can avoid waste and ensure quality, especially suitable for high-speed non-woven fabric production lines.
  • Fig. 1 is a structural diagram of an embodiment of the present invention.
  • Fig. 2 is a schematic diagram of the present invention in which the supporting mechanism and the non-woven fabric cutting mechanism shown in Fig. 1 are in the state of withdrawing from cutting the non-woven fabric.
  • Fig. 3 is a schematic diagram of the present invention showing that the cloth support mechanism and the non-woven fabric cutting mechanism shown in Fig. 1 are in the state of cutting the non-woven fabric.
  • Fig. 4 is a schematic diagram of a cloth cutting device of a non-woven fabric winding machine in the prior art.
  • Fig. 1 it shows a cloth supporting mechanism 1, a cloth guide roller 2, a nonwoven fabric cutting mechanism 3 and a pair of swing arms 4 corresponding to each other left and right, the cloth supporting mechanism 1 is fixed on a pair of swing arms 4 Between the upper part of the front end, the two ends of the cloth guide roller 2 each have a cloth guide roller support shaft head 21, and the non-woven fabric cutting mechanism 3 is connected to the opposite side of the middle part and the lower part of the front end of a pair of swing arms 4 and connected to the aforementioned cloth guide The lengthwise directions of the rollers 2 are corresponding, and a swing arm actuating wheel 5 is respectively fixed on the opposite side (i.e.
  • the aforementioned non-woven fabric cutting mechanism 3 includes an action cylinder fixed beam 31, a tension roller frame 32, a tension roller 33, a group of non-woven fabric cutting knife rests 34, A non-woven fabric cutting knife 35, a non-woven fabric cutting knife rest connecting rod 36, a pair of pivoting arms 37, a pair of pivoting arm driving cylinders 38 and a group of nonwoven fabric cutting knife rest driving cylinders 39, function
  • the cylinder fixing beam 31 is fixed between the opposite sides of the lower front ends of the aforementioned pair of swing arms 4
  • the tension roller frame 32 is fixed between the opposite sides of the upper ends of a pair of pivot arms 37
  • the tension rollers 33 are positioned between Corresponding to the position above the length direction of the tensioning roller frame 32, it is rotatably supported between the upper ends of a pair of pivoting arms 37, and a group of non-woven fabric cutting tool holders 34 are distributed between the pair of pivoting arms 37 at intervals.
  • the lower end of the group of non-woven fabric cutting tool holders 34 is threaded and fixed in the middle of a cutting tool holder connecting roller shaft 341, and the two ends of the cutting tool holder connecting roller shaft 341 are rotatably supported on a connecting roller shaft.
  • the connecting roller shaft pivot support seat 3411 is fixed to the opposite side of the front end lower part of the aforementioned pair of swing arms 4 at a position above the end corresponding to the aforementioned action cylinder fixed beam 31.
  • the cutting knife 35 is fixed to the upper end of the non-woven fabric cutting knife rest 34 and corresponds to the front top of the aforementioned tension roller 33 in the length direction, and the non-woven fabric cutting knife rest connecting rod 36 is fixedly connected to one group of non-woven fabric cutting knife rests.
  • the lower ends of a pair of pivoting arms 37 are pivotally connected to the opposite side of the front end middle part of a pair of swing arms 4, and a pair of pivoting arm driving cylinders 38 are respectively fixed on the two ends of the aforementioned cylinder fixing beams 31.
  • the pivoting arm driving cylinder 381 of the pair of pivoting arm driving cylinders 38 faces upward and the ends of the pivoting arm driving cylinder 381 are respectively opposite to the pair of pivoting arms 37 which are substantially L-shaped.
  • the middle part of the side is hinged, and the number of a group of non-woven fabric cutting knife rests driving cylinders 39 is equal to the number of a group of non-woven fabric cutting knife rests 34 and is fixed at the position corresponding to a group of non-woven fabric cutting knife rests 34.
  • the non-woven fabric cutting tool rest driving cylinder 39 of the non-woven fabric cutting tool rest drives the cylinder column 391 to face upward and its ends respectively pass through the cylinder column hinge pin 3911 to cut off a group of non-woven fabrics.
  • the lower end front of knife rest 34 is hinged.
  • Aforesaid cloth support mechanism 1 comprises a cloth roller frame 11, a front cloth roller 12 and a rear cloth roller 13, and the cloth roller frame 11 is between the middle position corresponding to the upper front end of the aforementioned pair of swing arms 4 Fixed with a pair of swing arms 4, in Fig.
  • the front supporting cloth roller 12 corresponds to the front of the longitudinal direction of the supporting cloth roller frame 11, and the front supporting cloth roller left shaft head and the front supporting cloth roller right shaft head of the front supporting cloth roller 12 are each rotatably supported on the front
  • the supporting roller shaft head pivot bearing seat 121, and the front supporting cloth roller shaft head pivot bearing seat 121 is fixed with the front side of the supporting cloth roller frame 11, and the rear supporting cloth roller 13 corresponds to the length of the supporting cloth roller frame 11 direction, and the rear supporting roller 13 of the rear supporting roller left shaft head and the rear supporting roller right shaft head are respectively rotatably supported on the pivot bearing seat 131 of the rear supporting cloth roller shaft head, and the rear supporting cloth roller
  • the pivot bearing seat 131 of the roller head is fixed to the rear side of the carrier roller frame 11 .
  • one end of the aforementioned cloth guide roller support shaft head 21 towards the aforementioned cloth guide roller 2 corresponds to the center position of the cloth guide roller chamber 22 of the cloth guide roller 2 and supports the shaft head web 211 and the cloth guide roller through a group of cloth guide rollers.
  • the cavity wall of the cloth guide roller cavity 22 is fixed, and the end of the cloth guide roller support shaft head 21 extending out of the cloth guide roller cavity 22 is rotatably supported on the cloth guide roller shaft head pivoting support arranged on the winder under the use state.
  • the cloth guide roller 2 is driven to rotate by the cloth guide roller shaft head pivoting drive device and the cloth guide roller shaft head drive device located at one end of the cloth guide roller 2 through the cloth guide roller support shaft head 21 on the bearing seat.
  • the aforesaid group of cloth guide roller support shaft head webs 211 are distributed in a radial form, and between the cloth guide roller support shaft heads 21 at the left end and the right end of the cloth guide roller 2 are arranged by the aforementioned cloth guide roller
  • the cloth guide roller in the cavity 22 is connected with the shaft head connecting shaft 212 .
  • the aforesaid swing arm actuating wheel 5 is fixed on the side opposite to the rear end of the aforementioned pair of swing arms 4 (i.e. the back-to-back side of a pair of swing arms 4) by the swing arm actuating wheel screw 52, and is fixed on the swing arm actuating wheel.
  • the center position of 5 is provided with a swing arm actuating wheel bearing 51, by this swing arm actuating wheel bearing 51 at the position corresponding to the swing arm shaft head hole 41 opened in the rear end of a pair of swing arms 4, the swing arm actuating wheel 5 together with the swing arm
  • the rear end of the arm 4 is rotatably sleeved on the support shaft head 21 of the cloth guide roller.
  • the characteristics of such a structure are: when the cloth guide roller supporting shaft head 21 drives the cloth guide roller 2 to rotate, the pair of swing arms 4 do not rotate; when the pair of swing arms 4 swing an angle as required, the cloth guide roller will not be driven The shaft head 21 is supported, so the movement of the two does not interfere with each other.
  • the aforesaid swing arm actuating wheel 5 is a sprocket and is connected with the swing arm actuating wheel 5 by the chain of the swing arm actuating wheel actuating device arranged on the winding machine under the use state, and the aforesaid swing arm actuating wheel
  • the drive device is a swing arm actuating wheel drive device with forward and reverse functions.
  • a pivot arm rotation support hole 371 is respectively provided at the lower ends of the aforementioned pair of pivot arms 37, and on the opposite side of the front ends of the aforementioned pair of swing arms 4 and at a position corresponding to the rotation of the pivot arms.
  • the positions of the support holes 371 are respectively fixed with a pivot arm rotation support shaft 42 , and the pivot arm rotation support holes 371 are pivotally matched with the pivot arm rotation support shaft 42 .
  • a fixed beam fixed base 311 is respectively fixed at the two ends of the aforementioned action cylinder fixed beam 31, and the fixed beam fixed base 311 is fixed to the opposite side of the lower front end of the aforementioned pair of swing arms 4 by screws.
  • the rear side of the longitudinal direction of the aforementioned non-woven fabric cutting knife 35 constitutes a non-woven fabric cutting knife serrated edge 351, and in a high-speed winding state, when the non-woven fabric 9 of the full roll is to be cut off, the non-woven fabric can be cut off by the non-woven fabric.
  • the serrated edge 351 of the cutting knife cuts off the non-woven fabric 9 instantly.
  • the aforementioned pair of pivoting arm driving cylinders 38 are air cylinders; the aforementioned group of non-woven fabric cutting blade rest driving cylinders 39 is an air cylinder.
  • a pair of frame wall panels 6 of the structural system of the cloth winding machine are shown in Fig. 2, and a pair of frame wall panels 6 are supported by a group of wall panels between the opposite sides
  • the beam 64 is fixedly connected as a whole, and a pair of guide rails 61 are respectively arranged on a pair of frame wall panels 6, that is, there are two pairs of guide rails 61, and a first slide block 611 is respectively arranged on a pair of guide rails 61, and a first slider 611 is arranged on the other pair of guide rails 61.
  • Each of the guide rails 61 is provided with a second slide block 612, and the aforementioned non-woven fabric 9 formed by needling by the high-speed needling machine passes through the lower guide shown in FIG. 2 and arranged between a pair of frame wallboards 6.
  • the device that is, the pivoting drive device of the aforementioned cloth guide roller shaft head drives the cloth roll roller 7a to roll up the non-woven fabric 9 in a rotating state.
  • the aforesaid pair of swing arms 4 drives the supporting cloth mechanism 1 and the non-woven fabric cutting mechanism 3 to be in the withdrawing position through the action of the chain on the swing arm drive wheel 5 by the swing arm actuating wheel drive device.
  • the cut state of the nonwoven fabric 9 When the diameter of the cloth roll 10 reaches the degree required by the process (usually by a meter meter not shown in the figure or a similar metering component and feeds back the signal to the electrical controller), the electrical controller sends the non-woven fabric 9 cut off instructions.
  • the tensioning shaft 33 is in the state of tensioning the non-woven fabric 9, and under the synchronous work of a group of non-woven fabric cutting knife rest driving cylinders 39 and on the support
  • the nonwoven fabric cutting knife 35 is in the state of good contact with the passing nonwoven fabric 9, and in this state, the nonwoven fabric at the serrated edge 351 of the passing nonwoven fabric cutting knife is cut off, that is The nonwoven fabric passing through it is cut off instantaneously by the serrated edge 351 of the nonwoven fabric cutting knife.
  • the reverse rotation of the aforementioned swing arm actuating wheel 5, a pair of the present invention The swing arm 4 , the carrier mechanism 1 and the nonwoven fabric cutting mechanism 3 return to the state shown in FIG. 2 . And the cloth head of the cut non-woven fabric 9 falls on the aforementioned spare cloth roll roller 7b, and the same reason (principle) as mentioned above drives the rotation of the spare cloth roll roll 36 at the corresponding cloth guide roller spindle head pivot drive device.
  • the non-woven fabric 9 is wound up. During the winding process, as the diameter of the cloth roll 10 on the spare cloth roll 7b gradually increases, the front and back of the other pair are correspondingly arranged on the other side and slide respectively.
  • the cloth roll 10 Under the movement of the second slide block 611 on the guide rail 61, the cloth roll 10 gradually moves to the left.
  • the previous cloth roll roller 7a was unloaded by the online operator. Since the unloading method belongs to the prior art, for example, it can be referred to and not limited to CN108639810A (a cloth roll machine that is convenient for changing the roll), so The applicant will not go into details, the aforementioned cloth roll 7a after the cloth roll 10 has been removed evolves into a spare cloth roll 7b so that it is in the position shown in FIG. The effect of the cloth roll roller 7a.

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Abstract

一种无纺布收卷机的切布装置，包括托布机构、导布辊、无纺布切断机构和一对摆臂，托布机构固定在一对摆臂的前端上部之间，导布辊的两端具有导布辊支承轴头，无纺布切断机构与一对摆臂的前端中部及下部的相向一侧连接，在一对摆臂的后端相背的一侧各固定有摆臂致动轮，该对摆臂致动轮连同一对摆臂的后端套置在导布辊支承轴头上，特点：无纺布切断机构包括作用缸固定梁、涨紧辊架、涨紧辊、一组无纺布切断刀架、无纺布切断刀、无纺布切断刀架连结杆、一对枢转臂、一对枢转臂驱动作用缸和一组无纺布切断刀架驱动作用缸。在布卷满卷且需实施换卷时将处于继续引出状态的无纺布由无纺布切断刀倾刻切断，避免浪费及保障质量，适合于无纺布高速生产线。

Description

无纺布收卷机的切布装置 技术领域
本发明属于无纺织机械技术领域，具体涉及一种无纺布收卷机的切布装置。
背景技术
无纺布收卷机是成套无纺织产品生产线中的不可或缺机械，具体而言，由收卷机将由前道工序如由针刺机完成了针刺的无纺布收卷，当布卷的直径达到所需要求后由切布装置切断，再启用卷布辊卷取，如此循环。对于无纺布收卷机的大致结构以及具体的工作原理还可通过对诸如CN201545539U(一种无纺布收卷机)、CN211225653U(一种无纺布收卷机)、CN209038665U(一种无纺布收卷机)和CN213084867U(一种无纺布收卷机)等的专利文献的阅读得到更为深入的理解。
为了便于体现结构的整体效果，通常在无纺布收卷机上配套切布装置，图4所示为已有技术中常见的无纺布收卷机的切布装置，其工作过程是：当布卷10的直径达到工艺所要求的程度时(即达到满卷时)，由气缸20的工作而使气缸柱201带动摆动臂30，电机架40连同电机401向下位移，在皮带带动电机401快速移动的同时，由电机401带动固定在其电机轴上的圆盘切片4011(也称“刀盘”)高速运动，将途经托布机构1处的无纺布切断，也就是将位于圆盘刀片4011的下方的无纺布切断。这种切布装置实质上类似于服装机械的铺布机(也称“拉布铺布机”)上配备的布料裁切装置，对此还可以由CN201416113Y推荐的“铺布机的全自动裁剪机构”以及CN209957085U提供的“铺布机的对应切断装置”印证。
上述由图4所示的无纺布收卷机的切布装置虽然能够满足将无纺布切断的要求，但是存在如下技术问题：由于无纺布是在布卷卷取的过程中即无纺布是在引出的运动过程中由圆盘刀片裁断的，又由于针刺机的速度越高，布卷卷取的速度也相应越快，无纺布引出的速度同例越快，于是由圆盘刀片切出的无纺布的切口往往是自无纺布的一侧向另一侧倾斜的，即切口呈斜切口，在下游生产厂商使用时需要将斜切口部位的无纺布去除，从而造成了浪费。再一方面，对于品质要求严苛的无纺织产品而言，通常不允许布首及布尾切断时产生斜面情形。之所以在前述的铺布机上不会出现布料切口呈倾斜的情形，是因为布料是处于压住的即暂时处于静止状态下切断的，因此铺布机上的切布装置并不适合于对运动状态的无纺布切断。当然，如果使无纺布在由圆盘刀片切断的时段内暂时停止移动，那么一方面因无纺布停止移动而失去了涨紧效果(即处于松弛状态)而难以甚至无法切割，另一方面客观上不可能使前道的针刺机为了满卷时的切割而暂时停机。由于在目前公开的专利 和非专利文献中均未披露有助于借鉴得以弥补前述技术问题的启示，因此申请人作了有益的探索，形成了下面将要介绍的技术方案。
发明内容
本发明的任务在于提供一种有助于在布卷满卷并且需实施换卷时将继续处于引出状态的无纺布切断并且不会在无纺布切口部位出现斜面而得以避免浪费以及保障质量的无纺布收卷机的切布装置。
本发明的任务是这样来完成的，一种无纺布收卷机的切布装置，包括一托布机构、一导布辊、一无纺布切断机构和彼此左右对应的一对摆臂，托布机构固定在一对摆臂的前端上部之间，导布辊的两端各具有一导布辊支承轴头，无纺布切断机构与一对摆臂的前端中部以及下部的相向一侧连接并且与所述导布辊的长度方向相对应，在一对摆臂的后端相背的一侧各固定有一摆臂致动轮，该对摆臂致动轮连同一对摆臂的后端转动地套置在所述导布辊支承轴头上，特征在于所述的无纺布切断机构包括一作用缸固定梁、一涨紧辊架、一涨紧辊、一组无纺布切断刀架、一无纺布切断刀、一无纺布切断刀架连结杆、一对枢转臂、一对枢转臂驱动作用缸和一组无纺布切断刀架驱动作用缸，作用缸固定梁固定在所述的一对摆臂的前端下部的相向一侧之间，涨紧辊架固定在一对枢转臂的上端的相向一侧之间，涨紧辊在对应于涨紧辊架的长度方向的上方的位置转动支承在一对枢转臂的上端相向一侧之间，一组无纺布切断刀架间隔分布在一对枢转臂之间，该组无纺布切断刀架的下端后方穿套固定在一切断刀架连结辊轴的中部，而该切断刀架连结辊轴的两端各转动地支承在一连结辊轴枢转支承座上，该连结辊轴枢转支承座在对应于所述作用缸固定梁的端部上方的位置与所述一对摆臂的前端下部的相向一侧固定，无纺布切断刀与无纺布切断刀架的上端固定并且与所述涨紧辊的长度方向的前上方相对应，无纺布切断刀架连结杆固定连结在一组无纺布切断刀架的中部，一对枢转臂的下端枢转连接在一对摆臂的前端中部的相向一侧，一对枢转臂驱动作用缸分别固定在所述作用缸固定梁的两端，该对枢转臂驱动作用缸的枢转臂驱动作用缸柱朝向上并且分别与一对枢转臂的相向一侧的中部铰接，一组无纺布切断刀架驱动作用缸的数量与一组无纺布切断刀架的数量相等并且在对应于一组无纺布切断刀架的位置固定在所述作用缸固定梁上，该无纺布切断刀架驱动作用缸的无纺布切断刀架驱动作用缸柱朝向上并且与一组无纺布切断刀架的下端前方铰接。
在本发明的一个具体的实施例中，所述的托布机构包括一托布辊架、一前托布辊和一后托布辊，托布辊架在对应于所述一对摆臂的前端上部的居中位置之间与一对摆臂固定，前托布辊对应于托布辊架的长度方向的前方，并且该前托布辊的前托布辊左轴头以及前托布辊右轴头各转动地支承在前托布辊轴头枢转支承座上，而该前托布辊轴头枢转支承座与 托布辊架的前侧固定，后托布辊对应于托布辊架的长度方向的后方，并且该后托布辊的后托布辊左轴头以及后托布辊右轴头各转动地支承在后托布辊轴头枢转支承座上，而该后托布辊轴头枢转支承座与托布辊架的后侧固定。
在本发明的另一个具体的实施例中，所述导布辊支承轴头朝向所述导布辊的一端对应于导布辊的导布辊腔的中心位置并且通过一组导布辊支承轴头辐板与导布辊腔的腔壁固定，而导布辊支承轴头伸展到导布辊腔外的一端在使用状态下转动地支承在设置于收卷机上的导布辊轴头枢转支承轴承座上并且由导布辊轴头枢转驱动装置与位于导布辊的一端的导布辊轴头驱动装置通过导布辊支承轴头带动导布辊转动。
在本发明的又一个具体的实施例中，所述的一组导布辊支承轴头辐板以辐射形态分布，并且位于导布辊的左端和右端的导布辊支承轴头之间由位于所述导布辊腔内的导布辊支承轴头连接轴连结。
在本发明的再一个具体的实施例中，所述的摆臂致动轮通过摆臂致动轮螺钉与所述一对摆臂的后端相背的一侧固定，并且在摆臂致动轮的中心位置设置有一摆臂致动轮轴承，由该摆臂致动轮轴承在对应于开设在一对摆臂的后端的摆臂轴头孔的位置将摆臂致动轮连同摆臂的后端转动地套置在所述导布辊支承轴头上。
在本发明的还有一个具体的实施例中，所述的摆臂致动轮为链轮并且在使用状态下由设置在收卷机上的摆臂致动轮致动装置的链条与摆臂致动轮连结，所述摆臂致动轮驱动装置为具有正反转功能的摆臂致动轮驱动装置。
在本发明的更而一个具体的实施例中，在所述一对枢转臂的下端各开设有一枢转臂转动支承孔，而在所述的一对摆臂的前端的相向一侧并且在对应于枢转臂转动支承孔的位置各固定有一枢转臂转动支承轴，枢转臂转动支承孔与枢转臂转动支承轴枢转配合。
在本发明的进而一个具体的实施例中，在所述作用缸固定梁的两端各固定有一固定梁固定座，该固定梁固定座与所述一对摆臂的前端下部的相向一侧固定。
在本发明的又更而一个具体的实施例中，所述无纺布切断刀的长度方向的后侧构成有无纺布切断刀锯齿刃。
在本发明的又进而一个具体的实施例中，所述一对枢转臂驱动作用缸为气缸；所述的一组无纺布切断刀架驱动作用缸为气缸。
本发明提供的技术方案由于采用了结构合理的无纺布切断机构，因而有助于在布卷满卷并且需实施换卷时将处于继续引出状态的无纺布由无纺布切断刀倾刻切断，不会在无纺布切口部位形成斜面，得以避免浪费以及保障质量，特别适合于无纺布高速生产线。
附图说明
图1为本发明的实施例结构图。
图2为本发明图1所示的托布机构以及无纺布切断机构处于退出对无纺布切断状态的示意图。
图3为本发明所示图1所示的托布机构以及无纺布切断机构处于进入对无纺布切断状态的示意图。
图4为已有技术中的无纺布收卷机的切布装置的示意图。
具体实施方式
为了能够更加清楚地理解本发明的技术实质和有益效果，申请人在下面以实施例的方式作详细说明，但是对实施例的描述均不是对本发明方案的限制，任何依据本发明构思所作出的仅仅为形式上的而非实质性的等效变换都应视为本发明的技术方案范畴。
在下面的描述中凡是涉及上、下、左、右、前和后的方向性或称方位性的概念都是针对图1所处的位置状态为例的，因而不能将其理解为对本发明提供的技术方案的特别限定。
请参见图1，示出了一托布机构1、一导布辊2、一无纺布切断机构3和彼此左右对应的一对摆臂4，托布机构1固定在一对摆臂4的前端上部之间，导布辊2的两端各具有一导布辊支承轴头21，无纺布切断机构3与一对摆臂4的前端中部以及下部的相向一侧连接并且与前述导布辊2的长度方向相对应，在一对摆臂4的后端相背的一侧(即背对背的一侧)各固定有一摆臂致动轮5，该对摆臂致动轮5连同一对摆臂4的后端转动地套置在前述导布辊支承轴头21上。
作为本发明提供的技术方案的技术要点：前述的无纺布切断机构3包括一作用缸固定梁31、一涨紧辊架32、一涨紧辊33、一组无纺布切断刀架34、一无纺布切断刀35、一无纺布切断刀架连结杆36、一对枢转臂37、一对枢转臂驱动作用缸38和一组无纺布切断刀架驱动作用缸39，作用缸固定梁31固定在前述的一对摆臂4的前端下部的相向一侧之间，涨紧辊架32固定在一对枢转臂37的上端的相向一侧之间，涨紧辊33在对应于涨紧辊架32的长度方向的上方的位置转动支承在一对枢转臂37的上端相向一侧之间，一组无纺布切断刀架34间隔分布在一对枢转臂37之间，该组无纺布切断刀架34的下端后方穿套固定在一切断刀架连结辊轴341的中部，而该切断刀架连结辊轴341的两端各转动地支承在一连结辊轴枢转支承座3411上，该连结辊轴枢转支承座3411在对应于前述作用缸固定梁31的端部上方的位置与前述一对摆臂4的前端下部的相向一侧固定，无纺布切断刀35与无纺布切断刀架34的上端固定并且与前述涨紧辊33的长度方向的前上方相对应，无纺布切断刀架连结杆36固定连结在一组无纺布切断刀架34的中部，一对枢转臂37的下端枢转连接在一对摆臂4的前端中部的相向一侧，一对枢转臂驱动作用缸38分别固定在前述 作用缸固定梁31的两端，该对枢转臂驱动作用缸38的枢转臂驱动作用缸柱381朝向上并且枢转臂驱动作用缸柱381的末端分别与形状大体上呈L字形的一对枢转臂37的相向一侧的中部铰接，一组无纺布切断刀架驱动作用缸39的数量与一组无纺布切断刀架34的数量相等并且在对应于一组无纺布切断刀架34的位置固定在前述作用缸固定梁31上，该无纺布切断刀架驱动作用缸39的无纺布切断刀架驱动作用缸柱391朝向上并且其末端各通过缸柱铰接销轴3911与一组无纺布切断刀架34的下端前方铰接。
前述的托布机构1包括一托布辊架11、一前托布辊12和一后托布辊13，托布辊架11在对应于前述一对摆臂4的前端上部的居中位置之间与一对摆臂4固定，在图1中，示出了供托布辊架11固定的并且预设在一对摆臂4的前端上部的居中位置的托布辊架固定螺钉孔43(四个)，前托布辊12对应于托布辊架11的长度方向的前方，并且该前托布辊12的前托布辊左轴头以及前托布辊右轴头各转动地支承在前托布辊轴头枢转支承座121上，而该前托布辊轴头枢转支承座121与托布辊架11的前侧固定，后托布辊13对应于托布辊架11的长度方向的后方，并且该后托布辊13的后托布辊左轴头以及后托布辊右轴头各转动地支承在后托布辊轴头枢转支承座131上，而该后托布辊轴头枢转支承座131与托布辊架11的后侧固定。
继续见图1，前述导布辊支承轴头21朝向前述导布辊2的一端对应于导布辊2的导布辊腔22的中心位置并且通过一组导布辊支承轴头辐板211与导布辊腔22的腔壁固定，而导布辊支承轴头21伸展到导布辊腔22外的一端在使用状态下转动地支承在设置于收卷机上的导布辊轴头枢转支承轴承座上并且由导布辊轴头枢转驱动装置与位于导布辊2的一端的导布辊轴头驱动装置通过导布辊支承轴头21带动导布辊2转动。
由图1所示，前述的一组导布辊支承轴头辐板211以辐射形态分布，并且位于导布辊2的左端和右端的导布辊支承轴头21之间由位于前述导布辊腔22内的导布辊支承轴头连接轴212连结。
前述的摆臂致动轮5通过摆臂致动轮螺钉52与前述一对摆臂4的后端相背的一侧(即一对摆臂4的背对背的一侧)固定，并且在摆臂致动轮5的中心位置设置有一摆臂致动轮轴承51，由该摆臂致动轮轴承51在对应于开设在一对摆臂4的后端的摆臂轴头孔41的位置将摆臂致动轮5连同摆臂4的后端转动地套置在前述导布辊支承轴头21上。如此结构的特点是：在导布辊支承轴头21带动导布辊2转动时，一对摆臂4不发生转动；在一对摆臂4依需摆动一个角度时，不会带动导布辊支承轴头21，因此两者的运动互不干涉。
在本实施例中，前述的摆臂致动轮5为链轮并且在使用状态下由设置在收卷机上的摆臂致动轮致动装置的链条与摆臂致动轮5连结，前述摆臂致动轮驱动装置为具有正反转功 能的摆臂致动轮驱动装置。
由图1所示，在前述一对枢转臂37的下端各开设有一枢转臂转动支承孔371，而在前述的一对摆臂4的前端的相向一侧并且在对应于枢转臂转动支承孔371的位置各固定有一枢转臂转动支承轴42，枢转臂转动支承孔371与枢转臂转动支承轴42枢转配合。
在前述作用缸固定梁31的两端各固定有一固定梁固定座311，该固定梁固定座311通过螺钉与前述一对摆臂4的前端下部的相向一侧固定。
前述无纺布切断刀35的长度方向的后侧构成有无纺布切断刀锯齿刃351，在高速收卷状态下，当要对满卷的无纺布9切断时，则可由该无纺布切断刀锯齿刃351瞬间将无纺布9切断。
在本实施例中，前述一对枢转臂驱动作用缸38为气缸；前述的一组无纺布切断刀架驱动作用缸39为气缸。
请参见图2并且结合图1，在图2中示出了卷布机的结构体系的一对机架墙板6，一对机架墙板6的相向一侧之间由一组墙板支撑梁64固定连结为一个整体，在一对机架墙板6上各设置有一对导轨61，即共有两对导轨61，在一对导轨61上各设置有一第一滑块611，而在另一对导轨61上各设置有一第二滑块612，由高速针刺机针刺成型后的前述无纺布9依次经由图2所示的并且设置在一对机架墙板6之间的下导布辊62、中间导布辊63和本发明切布装置的结构体系的并且由动力带动下处于转动状态的导布辊2，再经备用布卷辊7b抵达布卷辊7a，在相应的动力装置即前述的导布辊轴头枢转驱动装置带动布卷辊7a转动状态下将无纺布9卷取，在卷取过程中，随着布卷10的直径的逐渐增大，在一对前后对应的并且各自滑动地设置于一对导轨61上的第一滑块611的滑动作用下布卷10渐渐向左移动。在前述布卷辊7a处于卷布状态下，本发明图1所示的托布机构1、无纺布切断机构3和一对摆臂4处于由图2所示的离开与导布辊2的配合状态。在该状态下，具体而言，由摆臂致动轮驱动装置通过链条对摆臂驱动轮5的作用而使前述的一对摆臂4带动托布机构1以及无纺布切断机构3处于退出对无纺布9的切断状态。当布卷10的直径达到了工艺所要求的程度时(通常由图中未示出的计米器或类似的计量部件并且将信号反馈给电气控制器)，由电气控制器发出将无纺布9切断的指令。
请参见图3并且结合图1和图2，当要换卷而将无纺布9切断时，那么在前述电气控制器的指令下，摆臂致动轮驱动装置对摆臂致动轮5的反向工作(转动)，使一对摆臂4的前端相对于图2状态向上即向顺时针方向位移，同时带动托布机构1以及无纺布切断机构3进入切布工作状态，在该状态下，由于一对枢转臂驱动作用缸38工作而使涨紧轴33处于对无纺布9的涨紧状态，并且在一组无纺布切断刀架驱动作用缸39的同步工作下以 及在托布机构1的托布状态下，无纺布切断刀35处于与途经的无纺布9良好接触的状态，在该状态下，将途经无纺布切断刀锯齿刃351处的无纺布切断，即由无纺布切断刀锯齿刃351将途经其处的无纺布瞬间切断，在完成了对无纺布9的布首切断后，前述摆臂致动轮5的反向转动，本发明的一对摆臂4、托布机构1以及无纺布切断机构3返回到图2所示的状态。而切断的无纺布9的布首跌落至前述的备用布卷辊7b上，与前述相同的道理(原理)，在相应的导布辊轴头枢转驱动装置带动备用布卷辊36的转动下，将无纺布9卷取，在卷取过程中，随着备用布卷辊7b上的布卷10的直径的逐渐增大，在另一对前后对应的并且各自滑动地设置于另一对导轨61上的第二滑块611的移动作用下，布卷10渐渐向左移动。在前述过程中，先前的布卷辊7a由在线作业人员卸卷，由于卸卷方式属于已有技术，例如可参见并非限于例举的CN108639810A(一种便于更换卷筒的卷布机)，因而申请人不再赘述，卸除布卷10后的前述布卷辊7a演变为备用布卷辊7b而使其处于由图2所示的位置，而正在卷布的备用布卷辊7b实质上扮演着布卷辊7a的作用。
综上所述，本发明提供的技术方案弥补了已有技术中的缺憾，顺利地完成了发明任务，如实地兑现了申请人在上面的技术效果栏中载述的技术效果。

Claims (10)

  1. 一种无纺布收卷机的切布装置，包括一托布机构(1)、一导布辊(2)、一无纺布切断机构(3)和彼此左右对应的一对摆臂(4)，托布机构(1)固定在一对摆臂(4)的前端上部之间，导布辊(2)的两端各具有一导布辊支承轴头(21)，无纺布切断机构(3)与一对摆臂(4)的前端中部以及下部的相向一侧连接并且与所述导布辊(2)的长度方向相对应，在一对摆臂(4)的后端相背的一侧各固定有一摆臂致动轮(5)，该对摆臂致动轮(5)连同一对摆臂(4)的后端转动地套置在所述导布辊支承轴头(21)上，其特征在于所述的无纺布切断机构(3)包括一作用缸固定梁(31)、一涨紧辊架(32)、一涨紧辊(33)、一组无纺布切断刀架(34)、一无纺布切断刀(35)、一无纺布切断刀架连结杆(36)、一对枢转臂(37)、一对枢转臂驱动作用缸(38)和一组无纺布切断刀架驱动作用缸(39)，作用缸固定梁(31)固定在所述的一对摆臂(4)的前端下部的相向一侧之间，涨紧辊架(32)固定在一对枢转臂(37)的上端的相向一侧之间，涨紧辊(33)在对应于涨紧辊架(32)的长度方向的上方的位置转动支承在一对枢转臂(37)的上端相向一侧之间，一组无纺布切断刀架(34)间隔分布在一对枢转臂(37)之间，该组无纺布切断刀架(34)的下端后方穿套固定在一切断刀架连结辊轴(341)的中部，而该切断刀架连结辊轴(341)的两端各转动地支承在一连结辊轴枢转支承座(3411)上，该连结辊轴枢转支承座(3411)在对应于所述作用缸固定梁(31)的端部上方的位置与所述一对摆臂(4)的前端下部的相向一侧固定，无纺布切断刀(35)与无纺布切断刀架(34)的上端固定并且与所述涨紧辊(33)的长度方向的前上方相对应，无纺布切断刀架连结杆(36)固定连结在一组无纺布切断刀架(34)的中部，一对枢转臂(37)的下端枢转连接在一对摆臂(4)的前端中部的相向一侧，一对枢转臂驱动作用缸(38)分别固定在所述作用缸固定梁(31)的两端，该对枢转臂驱动作用缸(38)的枢转臂驱动作用缸柱(381)朝向上并且分别与一对枢转臂(37)的相向一侧的中部铰接，一组无纺布切断刀架驱动作用缸(39)的数量与一组无纺布切断刀架(34)的数量相等并且在对应于一组无纺布切断刀架(34)的位置固定在所述作用缸固定梁(31)上，该无纺布切断刀架驱动作用缸(39)的无纺布切断刀架驱动作用缸柱(391)朝向上并且与一组无纺布切断刀架(34)的下端前方铰接。
  2. 根据权利要求1所述的无纺布收卷机的切布装置，其特征在于所述的托布机构(1)包括一托布辊架(11)、一前托布辊(12)和一后托布辊(13)，托布辊架(11)在对应于所述一对摆臂(4)的前端上部的居中位置之间与一对摆臂(4)固定，前托布辊(12)对应于托布辊架(11)的长度方向的前方，并且该前托布辊(12)的前托布辊左轴头以及前托布辊右轴头各转动地支承在前托布辊轴头枢转支承座(121)上，而该前托布辊轴头枢转支承座(121)与托布辊架(11)的前侧固定，后托布辊(13)对应于托布辊架(11)的长度方向的后方，并且该后托 布辊(13)的后托布辊左轴头以及后托布辊右轴头各转动地支承在后托布辊轴头枢转支承座(131)上，而该后托布辊轴头枢转支承座(131)与托布辊架(11)的后侧固定。
  3. 根据权利要求1所述的无纺布收卷机的切布装置，其特征在于所述导布辊支承轴头(21)朝向所述导布辊(2)的一端对应于导布辊(2)的导布辊腔(22)的中心位置并且通过一组导布辊支承轴头辐板(211)与导布辊腔(22)的腔壁固定，而导布辊支承轴头(21)伸展到导布辊腔(22)外的一端在使用状态下转动地支承在设置于收卷机上的导布辊轴头枢转支承轴承座上并且由导布辊轴头枢转驱动装置与位于导布辊(2)的一端的导布辊轴头驱动装置通过导布辊支承轴头(21)带动导布辊(2)转动。
  4. 根据权利要求3所述的无纺布收卷机的切布装置，其特征在于所述的一组导布辊支承轴头辐板(211)以辐射形态分布，并且位于导布辊(2)的左端和右端的导布辊支承轴头(21)之间由位于所述导布辊腔(22)内的导布辊支承轴头连接轴(212)连结。
  5. 根据权利要求1所述的无纺布收卷机的切布装置，其特征在于所述的摆臂致动轮(5)通过摆臂致动轮螺钉(52)与所述一对摆臂(4)的后端相背的一侧固定，并且在摆臂致动轮(5)的中心位置设置有一摆臂致动轮轴承(51)，由该摆臂致动轮轴承(51)在对应于开设在一对摆臂(4)的后端的摆臂轴头孔(41)的位置将摆臂致动轮(5)连同摆臂(4)的后端转动地套置在所述导布辊支承轴头(21)上。
  6. 根据权利要求1或5所述的无纺布收卷机的切布装置，其特征在于所述的摆臂致动轮(5)为链轮并且在使用状态下由设置在收卷机上的摆臂致动轮致动装置的链条与摆臂致动轮(5)连结，所述摆臂致动轮驱动装置为具有正反转功能的摆臂致动轮驱动装置。
  7. 根据权利要求1所述的无纺布收卷机的切布装置，其特征在于在所述一对枢转臂(37)的下端各开设有一枢转臂转动支承孔(371)，而在所述的一对摆臂(4)的前端的相向一侧并且在对应于枢转臂转动支承孔(371)的位置各固定有一枢转臂转动支承轴(42)，枢转臂转动支承孔(371)与枢转臂转动支承轴(42)枢转配合。
  8. 根据权利要求1所述的无纺布收卷机的切布装置，其特征在于在所述作用缸固定梁(31)的两端各固定有一固定梁固定座(311)，该固定梁固定座(311)与所述一对摆臂(4)的前端下部的相向一侧固定。
  9. 根据权利要求1所述的无纺布收卷机的切布装置，其特征在于所述无纺布切断刀(35)的长度方向的后侧构成有无纺布切断刀锯齿刃(351)。
  10. 根据权利要求1所述的无纺布收卷机的切布装置，其特征在于所述一对枢转臂驱动作用缸(38)为气缸；所述的一组无纺布切断刀架驱动作用缸(39)为气缸。
PCT/CN2022/127950 2021-12-13 2022-10-27 无纺布收卷机的切布装置 WO2023109330A1 (zh)

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