Multifunctional cylinder sewing and laparotomy integrated machine

文档序号:940621 发布日期:2020-10-30 浏览:27次 中文

阅读说明:本技术 多功能圆筒缝头剖腹一体机 (Multifunctional cylinder sewing and laparotomy integrated machine ) 是由 陈少军 于 2020-06-16 设计创作,主要内容包括:本发明提供了多功能圆筒缝头剖腹一体机,包括一号支柱、二号支柱,一号支柱底部通过退卷槽连接至二号支柱底部,一号支柱中部通过圆筒缝头机连接至二号支柱中部,一号支柱中上部通过横梁连接至二号支柱中上部,横梁中部设有连接架,一号支柱设有一号牵引辊、一号落布辊;二号支柱设有二号牵引辊、二号落布辊;一号落布辊下方设有一号滑槽,二号落布辊下方设有二号滑槽,圆筒缝头机两侧设有一号剖腹机构、二号剖腹机构,圆筒缝头机前侧设有一号翻布机构和二号翻布机构,一号翻布机构一侧设有一号传送机构、二号传送机构。本发明将运送、缝头和剖腹合为一体,可以一体式操作,节省了空间,提高了工作效率。(The invention provides a multifunctional cylinder head sewing and laparotomy integrated machine which comprises a first support and a second support, wherein the bottom of the first support is connected to the bottom of the second support through a unwinding groove, the middle part of the first support is connected to the middle part of the second support through a cylinder head sewing machine, the middle upper part of the first support is connected to the middle upper part of the second support through a cross beam, a connecting frame is arranged in the middle of the cross beam, and the first support is provided with a first traction roller and a first cropping roller; the second strut is provided with a second traction roller and a second cloth dropping roller; a first sliding groove is formed below the first cropping roller, a second sliding groove is formed below the second cropping roller, a first laparotomy mechanism and a second laparotomy mechanism are arranged on two sides of the cylinder head sewing machine, a first cloth turning mechanism and a second cloth turning mechanism are arranged on the front side of the cylinder head sewing machine, and a first conveying mechanism and a second conveying mechanism are arranged on one side of the first cloth turning mechanism. The invention integrates the conveying, sewing and laparotomy, can be operated integrally, saves the space and improves the working efficiency.)

1. Multi-functional cylinder seam head laparotomy all-in-one, its characterized in that: comprises a first support, a second support and a cylinder end sewing machine,

the structure of the first support is the same as that of the second support, the bottom of the first support is connected to the bottom of the second support through a unwinding groove, the middle of the first support is connected to the middle of the second support through a cylinder head sewing machine, the middle upper part of the first support is connected to the middle upper part of the second support through a cross beam, a connecting frame is arranged in the middle of the cross beam, and the top of the first support is connected to one side of the connecting frame through a first traction roller and a first cropping roller respectively; the second support is connected to the other side of the connecting frame through a second traction roller and a second cropping roller respectively; a first sliding groove is arranged below the first cropping roller, a second sliding groove is arranged below the second cropping roller, a first laparotomy mechanism and a second laparotomy mechanism which are symmetrical to each other are arranged on two sides of the cylinder sewing machine,

a first cloth turning mechanism and a second cloth turning mechanism which are symmetrically arranged are arranged between the first laparotomy mechanism and the second laparotomy mechanism and in front of the cylinder end sewing machine, a first conveying mechanism is arranged on one side of the first cloth turning mechanism, and a second conveying mechanism is arranged on one side of the second cloth turning mechanism.

One side of the first support is provided with a controller.

2. The multi-functional cylindrical seamed head laparotomy all-in-one machine of claim 1, wherein: a transport mechanism is the same with No. two transport mechanism structures, and a transport mechanism includes the transfer roller, conveys support and conveyer belt, is equipped with drive roll and a plurality of driven voller parallel with it between the conveying support, and the drive roll is driven by conveying motor, connects through the chain between drive roll and the driven voller, and the conveyer belt articulates on drive roll and driven voller, is equipped with a plurality of dogs on the conveyer belt, and the distance between every dog equals, and conveying motor signal connection is to the controller.

3. The multi-functional cylindrical seamed head laparotomy all-in-one machine of claim 1, wherein: the first cloth turning mechanism and the second cloth turning mechanism are identical in structure, the first cloth turning mechanism comprises a first guide rail, a second guide rail, a turning plate frame and a turning plate cylinder, four idler wheels are arranged at the bottom of the turning plate frame, the turning plate frame is placed on the first guide rail and the second guide rail through the idler wheels, two idler wheels are connected through connecting rods, a turning plate driven wheel is fixedly installed in the middle of each connecting rod, a turning plate motor is arranged on the inner wall of the turning plate frame, a turning plate driving wheel is arranged at the output end of the turning plate motor and connected with the turning plate driven wheel through a chain, a fixing plate is arranged in the middle of one side of the turning plate frame close to the cylinder sewing machine, the turning plate cylinder is fixedly installed to the fixing plate, the output end of the turning plate cylinder is fixedly connected to the turning plate rod, two turning plate bodies are respectively arranged on two sides of the turning plate, the first infrared sensor, the turning plate motor and the turning plate cylinder are in signal connection with the controller.

4. The multi-functional cylindrical seamed head laparotomy all-in-one machine of claim 1, wherein: the first laparotomy mechanism is the same as the second laparotomy mechanism, the first laparotomy mechanism comprises a first laparotomy support frame, a second laparotomy support frame, a laparotomy conveying mechanism, a laparotomy collecting tank, a laparotomy traction roller and a laparotomy cloth roller, the laparotomy support frame, the first laparotomy support frame and the second laparotomy support frame are L-shaped, the corner of the first laparotomy support frame is connected to the corner of the second laparotomy support frame through the laparotomy traction roller, the end part of the first laparotomy support frame is connected to the end part of the second laparotomy support frame through the laparotomy cloth roller, a laparotomy support beam is arranged below the laparotomy traction roller, a laparotomy adjusting component is fixedly installed in the middle of the upper surface of the lap; the first laparotomy support frame is provided with a first laparotomy slide rail at the top, the second laparotomy slide rail is provided at the top, two ends of the laparotomy support frame are respectively provided with a pulley and are respectively connected to the first laparotomy slide rail and the second laparotomy slide rail in a sliding manner, the middle part of the laparotomy support frame is hinged to an adjusting arm of the laparotomy adjusting component,

the laparotomy conveying mechanism and the laparotomy collecting tank are both arranged on one side of the first laparotomy supporting frame and the second laparotomy supporting frame, one end of the laparotomy conveying mechanism is arranged below the first sliding groove, the other end of the laparotomy conveying mechanism is connected to the laparotomy collecting tank, and the laparotomy collecting tank is arranged right below the laparotomy supporting frame.

5. The multi-functional cylindrical seamed head laparotomy all-in-one machine of claim 4, wherein: the laparotomy frame is integrally of a triangular structure, a first supporting rod and a second supporting rod are arranged in the middle of the laparotomy frame, the laparotomy adjusting assembly comprises an adjusting bottom plate, two ends of the adjusting bottom plate are respectively provided with an adjusting seat, an adjusting lead screw is arranged between the two adjusting seats, one end of the adjusting lead screw is provided with a hand wheel, the adjusting nut seat is in threaded connection with the adjusting lead screw, one end of an adjusting arm is hinged to the adjusting nut seat, and the other end of the adjusting arm is hinged to the first supporting rod of the laparotomy frame.

6. The multi-functional cylindrical seamed head laparotomy all-in-one machine of claim 1, wherein: a head sewing slide rail is arranged between the first support and the second support, two cylinder head sewing machines are arranged on the head sewing slide rail, each cylinder head sewing machine comprises a first fixed seat, a second fixed seat and a moving seat, and the first fixed seat, the second fixed seat and the moving seat are sequentially and fixedly installed on the head sewing slide rail; two ends of the sewing head sliding rail are respectively provided with a sewing head driving motor, the two sewing head driving motors respectively drive the moving seats of the two cylindrical sewing machines through chains, and the two sewing head driving motors are connected to the controller through signals;

the first fixed seat is provided with a first supporting seat, one end of the first supporting seat is provided with a first rotating motor, the other end of the first supporting seat is provided with a first cylinder rotating mechanism, and a first rotating driving wheel of the first cylinder rotating mechanism is fixedly connected to the output end of the first rotating motor through a transmission rod;

The moving seat is provided with a second supporting seat, one end of the second supporting seat is provided with a second rotating motor, the other end of the second supporting seat is provided with a second cylinder rotating mechanism, a second rotating driving wheel of the second cylinder rotating mechanism is fixedly connected to the output end of the second rotating motor through a transmission rod, and the first rotating motor and the second rotating motor are in signal connection with the controller;

a supporting seat is provided with a pinch roller cylinder, the top of the pinch roller cylinder is provided with a connecting frame, the middle of a pinch roller frame is hinged to the connecting frame, one end of the pinch roller frame is hinged to the output end of the pinch roller cylinder, and the other end of the pinch roller frame is provided with a pinch roller body.

The movable seat is provided with a second pressing wheel cylinder, the top of the second pressing wheel cylinder is provided with a second connecting frame, the middle of the second pressing wheel frame is hinged to the second connecting frame, one end of the second pressing wheel frame is hinged to the output end of the second pressing wheel cylinder, the other end of the second pressing wheel frame is provided with two pressing wheel bodies, and the first pressing wheel cylinder and the second pressing wheel cylinder are in signal connection with the controller.

7. The multi-functional cylindrical seamed head laparotomy all-in-one machine of claim 6, wherein: the first cylinder rotating mechanism and the second cylinder rotating mechanism are identical in structure, the first cylinder rotating mechanism comprises a first rotating driving wheel, two rotating driven wheels, a rotating crawler belt, a rotating frame body, the first rotating driving wheel is fixedly installed on the upper portion of the rotating frame body, the two mutually parallel rotating driven wheels are fixedly installed at the bottom of the rotating frame body, the rotating crawler belt respectively bypasses the first rotating driving wheel and the two rotating driven wheels and is closed, and the first rotating driving wheel is fixedly connected to the output end of a rotating motor through a transmission rod.

8. The multi-functional cylindrical seamed head laparotomy all-in-one machine of claim 6, wherein: the second fixing base is provided with a sewing machine for sewing edges, a cloth component is fixedly installed on one side of the sewing machine, a protection plate is arranged on the outer side of the cloth component, a cloth returning cylinder is arranged on the upper surface of the protection plate, a cloth returning rod is arranged at the output end of the cloth returning cylinder, an air blowing pipe is arranged on one side of the cloth returning rod, a cloth head absorption pipe is arranged below the air blowing pipe, a second infrared sensor is arranged on the inner side of the protection plate, and the second infrared sensor and the cloth returning cylinder are in signal connection with the controller.

9. The multi-functional cylindrical seamed head laparotomy all-in-one machine of claim 8, wherein: the positive cloth component comprises a positive cloth mounting plate, a positive cloth motor, a positive cloth driving wheel, a positive cloth driven wheel, a driving gear, a driven gear, a positive cloth air cylinder and a positive cloth connecting frame, wherein the positive cloth motor is fixedly mounted on one side of the positive cloth mounting plate, the positive cloth driving wheel and the positive cloth driven wheel are mounted on the other side of the positive cloth mounting plate, the positive cloth driving wheel is connected to the output end of the positive cloth motor, the positive cloth driving wheel is connected with the positive cloth driven wheel through a belt, a positive cloth gear box is arranged on one side of the positive cloth driven wheel, the driving gear and the driven gear which are mutually meshed are arranged in the positive cloth gear box,

The first end of the positive cloth supporting plate is connected to one side of the positive cloth gear box, the first end of the positive cloth connecting plate is connected to the other side of the positive cloth gear box, the second end of the positive cloth supporting plate is connected to the second end of the positive cloth connecting plate through a rotary connecting block,

the first screw rod penetrates through the connecting block and is connected to one end of the first driving rod through the coupler, the other end of the first driving rod is connected to the driving gear,

the second threaded rod is connected to the driven gear through the second driving rod, and the thread direction of the first threaded rod is opposite to that of the second threaded rod;

the positive cloth mounting plate is provided with a positive cloth cylinder, the output end of the positive cloth cylinder is connected to the positive cloth supporting plate through a positive cloth connecting frame, and the positive cloth cylinder and the positive cloth motor are in signal connection to the controller.

10. The multi-functional cylindrical seamed head laparotomy all-in-one machine of claim 6, wherein: the upper part of the first cylinder rotating mechanism is provided with a cloth supporting rod, and the lower part of the first cylinder rotating mechanism is connected to the second cylinder rotating mechanism through a nylon rope.

Technical Field

The invention belongs to the field of cylindrical fabric sewing and laparotomy, and particularly relates to a multifunctional cylindrical sewing and laparotomy integrated machine.

Background

The cylinder end sewing machine sews the cloth ends of two rolls of the circular fabric together, when the cylinder end sewing machine is used, the prior common method is to move each roll of the circular fabric to the bottom of the end sewing machine in a manual mode, then sew the cloth ends of two rolls of the circular fabric to form a roll of the circular fabric, and then perform laparotomy on the circular fabric, wherein the transportation of the fabric rolls and the replacement of the fabric rolls are all performed in a manual mode, and because the weight of the fabric rolls is larger and is about 30kg, the operation is intermittent transportation rather than continuous transportation, the labor cost is higher, time and labor are wasted, the efficiency of the end sewing machine is extremely low, and the sewing quality is poor; and it is relatively wasteful of labor cost to operate one cylinder sewing machine by one person.

Disclosure of Invention

In view of the above, the invention aims to provide a multifunctional cylindrical sewing and laparotomy integrated machine which integrates conveying, sewing and laparotomy, can be operated integrally, saves space and improves working efficiency; and utilize symmetrical structure, can let a workman control two sets of tubular cloths simultaneously and sew up the head and cut open the abdomen, the head machine of drum utilizes the rotation type to sew up the cloth head, convenient and fast.

In order to achieve the purpose, the technical scheme of the invention is realized as follows:

The multifunctional cylinder head sewing and laparotomy integrated machine comprises a first support, a second support and a cylinder head sewing machine,

the structure of the first support is the same as that of the second support, the bottom of the first support is connected to the bottom of the second support through a unwinding groove, the middle of the first support is connected to the middle of the second support through a cylinder head sewing machine, the upper middle part of the first support is connected to the upper middle part of the second support through a cross beam, a connecting frame is arranged in the middle of the cross beam, and the top of the first support is connected to one side of the connecting frame through a first traction roller and a first cropping roller respectively; the second support is connected to the other side of the connecting frame through a second traction roller and a second cropping roller respectively; a first sliding groove is arranged below the first cropping roller, a second sliding groove is arranged below the second cropping roller, a first laparotomy mechanism and a second laparotomy mechanism which are symmetrical to each other are arranged on two sides of the cylinder sewing machine,

a first cloth turning mechanism and a second cloth turning mechanism which are symmetrically arranged are arranged between the first laparotomy mechanism and the second laparotomy mechanism and in front of the cylinder end sewing machine, a first conveying mechanism is arranged on one side of the first cloth turning mechanism, and a second conveying mechanism is arranged on one side of the second cloth turning mechanism.

One side of the first support is provided with a controller.

Further, 2, the multifunctional cylinder sewing and laparotomy integrated machine according to claim 1, characterized in that: a transport mechanism is the same with No. two transport mechanism structures, and a transport mechanism includes the transfer roll, conveying support and conveyer belt, is equipped with drive roll and a plurality of driven voller parallel with it between the conveying support, and the drive roll is driven by conveying motor, connects through the chain between drive roll and the driven voller, and the conveyer belt is around connecting on drive roll and driven voller, is equipped with a plurality of dogs on the conveyer belt, and the distance between every dog equals, and conveying motor signal connection is to the controller.

Further, the first cloth turning mechanism and the second cloth turning mechanism are identical in structure, the first cloth turning mechanism comprises a first guide rail, a second guide rail, a turning plate frame and a turning plate cylinder, four idler wheels are arranged at the bottom of the turning plate frame, the turning plate frame is placed on the first guide rail and the second guide rail through the idler wheels, the two idler wheels are connected through a connecting rod, a turning plate driven wheel is fixedly installed in the middle of the connecting rod, a turning plate motor is arranged on the inner wall of the turning plate frame, a turning plate driving wheel is arranged at the output end of the turning plate motor, the turning plate driving wheel is connected with the turning plate driven wheel through a chain, a fixing plate is arranged in the middle of one side of the turning plate frame close to the cylindrical sewing machine, the turning plate cylinder is fixedly installed to the fixing plate, the output end of the turning plate cylinder is fixedly connected to the turning plate rod, a, the turning plate frame is provided with an infrared sensor, and the infrared sensor, the turning plate motor and the turning plate cylinder are in signal connection with the controller.

Furthermore, the first laparotomy mechanism and the second laparotomy mechanism are the same, the first laparotomy mechanism comprises a first laparotomy support frame, a second laparotomy support frame, a laparotomy conveying mechanism, a laparotomy collecting tank, a laparotomy traction roller and a laparotomy cloth roller, the laparotomy support frame and the second laparotomy support frame are L-shaped, the corner of the first laparotomy support frame is connected to the corner of the second laparotomy support frame through a laparotomy traction roller, the end part of the first laparotomy support frame is connected to the end part of the second laparotomy support frame through the laparotomy cloth roller, a laparotomy support beam is arranged below the laparotomy traction roller, a laparotomy adjusting assembly is fixedly mounted in the middle of the upper surface of the laparotomy support beam, and a laparotomy head is arranged; the first laparotomy support frame is provided with a first laparotomy slide rail at the top, the second laparotomy slide rail is arranged at the top, two ends of the laparotomy support frame are respectively provided with a pulley and are respectively connected to the first laparotomy slide rail and the second laparotomy slide rail in a sliding manner, the middle part of the laparotomy support frame is hinged to an adjusting arm of the laparotomy adjusting component,

The laparotomy conveying mechanism and the laparotomy collecting tank are both arranged on one side of the first laparotomy supporting frame and the second laparotomy supporting frame, one end of the laparotomy conveying mechanism is arranged below the first sliding groove, the other end of the laparotomy conveying mechanism is connected to the laparotomy collecting tank, and the laparotomy collecting tank is arranged right below the laparotomy supporting frame.

Furthermore, the whole body of the laparotomy frame is of a triangular structure, a first supporting rod and a second supporting rod are arranged in the middle of the laparotomy frame, the laparotomy adjusting assembly comprises an adjusting base plate, two ends of the adjusting base plate are respectively provided with an adjusting seat, an adjusting lead screw is arranged between the two adjusting seats, one end of the adjusting lead screw is provided with a hand wheel, the adjusting nut seat is in threaded connection with the adjusting lead screw, one end of an adjusting arm is hinged to the adjusting nut seat, and the other end of the adjusting arm is hinged to the first supporting rod of the laparotomy frame.

Furthermore, a head sewing slide rail is arranged between the first support column and the second support column, two cylinder head sewing machines are arranged on the head sewing slide rail, each cylinder head sewing machine comprises a first fixed seat, a second fixed seat and a moving seat, and the first fixed seat, the second fixed seat and the moving seat are sequentially and fixedly installed on the head sewing slide rail; two ends of the sewing head sliding rail are respectively provided with a sewing head driving motor, the two sewing head driving motors respectively drive the moving seats of the two cylindrical sewing machines through chains, and the sewing head driving motors are connected to the controller through signals;

The first fixed seat is provided with a first supporting seat, one end of the first supporting seat is provided with a first rotating motor, the other end of the first supporting seat is provided with a first cylinder rotating mechanism, and a first rotating driving wheel of the first cylinder rotating mechanism is fixedly connected to the output end of the first rotating motor through a transmission rod;

the moving seat is provided with a second supporting seat, one end of the second supporting seat is provided with a second rotating motor, the other end of the second supporting seat is provided with a second cylinder rotating mechanism, a second rotating driving wheel of the second cylinder rotating mechanism is fixedly connected to the output end of the second rotating motor through a transmission rod, and the first rotating motor and the second rotating motor are connected to the controller through signals;

a supporting seat is provided with a pinch roller cylinder, the top of the pinch roller cylinder is provided with a connecting frame, the middle of a pinch roller frame is hinged to the connecting frame, one end of the pinch roller frame is hinged to the output end of the pinch roller cylinder, and the other end of the pinch roller frame is provided with a pinch roller body.

Remove the seat and be equipped with the pinch roller cylinder No. two, No. two pinch roller cylinder tops are equipped with the link No. two, and No. two pinch roller carrier middle parts hinge joint is to No. two links, and No. two pinch roller carrier one end hinge joint is to No. two pinch roller cylinder output ends, and No. two pinch roller carrier other ends are equipped with two pinch roller bodies, and a pinch roller cylinder, No. two pinch roller cylinder signal connection are to the controller.

Furthermore, a cylinder rotary mechanism and No. two cylinder rotary mechanisms are the same in structure, the cylinder rotary mechanism comprises a rotary driving wheel, two rotary driven wheels, a rotary crawler, a rotary frame body, the rotary driving wheel is fixedly mounted on the upper portion of the rotary frame body, the two mutually parallel rotary driven wheels are fixedly mounted to the bottom of the rotary frame body, the rotary crawler respectively bypasses the rotary driving wheel and the two rotary driven wheels and is closed, and the rotary driving wheel is fixedly connected to the output end of a rotary motor through a transmission rod.

Further, No. two fixing bases are provided with a sewing machine for weaving, a cloth assembly is fixedly installed on one side of the sewing machine, a protection plate is arranged on the outer side of the cloth assembly, a cloth returning cylinder is arranged on the upper surface of the protection plate, a cloth returning rod is arranged at the output end of the cloth returning cylinder, an air blowing pipe is arranged on one side of the cloth returning rod, a cloth head absorption pipe is arranged below the air blowing pipe, and a No. two infrared sensors are arranged on the inner side of the protection plate and are in signal connection with the cloth returning cylinder to a controller.

Further, the positive cloth assembly comprises a positive cloth mounting plate, a positive cloth motor, a positive cloth driving wheel, a positive cloth driven wheel, a driving gear, a driven gear, a positive cloth cylinder and a positive cloth connecting frame, wherein the positive cloth motor is fixedly mounted on one side of the positive cloth mounting plate, the positive cloth driving wheel and the positive cloth driven wheel are mounted on the other side of the positive cloth mounting plate, the positive cloth driving wheel is connected to the output end of the positive cloth motor, the positive cloth driving wheel is connected with the positive cloth driven wheel through a belt, a positive cloth gear box is arranged on one side of the positive cloth driven wheel, the driving gear and the driven gear which are mutually meshed are arranged in the positive cloth gear box, the positive cloth driven wheel,

The first end of the positive cloth supporting plate is connected to one side of the positive cloth gear box, the first end of the positive cloth connecting plate is connected to the other side of the positive cloth gear box, the second end of the positive cloth supporting plate is connected to the second end of the positive cloth connecting plate through a rotary connecting block,

the first screw rod penetrates through the connecting block and is connected to one end of the first driving rod through the coupler, the other end of the first driving rod is connected to the driving gear,

the second threaded rod is connected to the driven gear through the second driving rod, and the thread direction of the first threaded rod is opposite to that of the second threaded rod;

the positive cloth mounting plate is provided with a positive cloth cylinder, the output end of the positive cloth cylinder is connected to the positive cloth supporting plate through a positive cloth connecting frame, and the positive cloth cylinder and the positive cloth motor are in signal connection to the controller.

Furthermore, a cloth supporting rod is arranged at the upper part of the first cylinder rotating mechanism, and the lower part of the first cylinder rotating mechanism is connected to the second cylinder rotating mechanism through a nylon rope.

Compared with the prior art, the multifunctional cylinder sewing and laparotomy integrated machine has the advantages that:

(1) the multifunctional cylinder sewing and laparotomy all-in-one machine is designed with a symmetrical structure, sewing and laparotomy can be completed on two working lines, and the symmetrical structure can enable one worker to operate simultaneously, so that labor cost is saved, and working efficiency is improved.

(2) According to the multifunctional cylinder sewing and laparotomy integrated machine, the first cloth turning mechanism is arranged on the track, so that the cloth turning mechanism has a movable distance, and the distance can be conveniently operated by a worker.

(3) According to the multifunctional cylinder sewing and laparotomy integrated machine, the first conveying mechanism is provided with the plurality of equidistant stop blocks, the stop blocks divide the plurality of pieces of cloth into the same distance, and the first conveying mechanism can be controlled to move the same distance to enable the pieces of cloth to fall onto the first cloth turning mechanism.

(4) According to the multifunctional cylinder sewing and laparotomy all-in-one machine, the cloth with the sewing number is collected, enters the laparotomy conveying mechanism through the sliding groove after the collection is finished, and then is subjected to laparotomy operation, manual carrying is not needed in the process, manpower is saved, and working efficiency is improved.

(5) According to the multifunctional cylinder head sewing and laparotomy integrated machine, the cylinder head sewing machine is provided with the cloth correcting device, the position of the cloth head can be adjusted, the cloth heads at two ends are flush, and the subsequent head sewing operation is facilitated.

(6) According to the multifunctional cylinder sewing and laparotomy integrated machine, two cylinder rotating mechanisms are utilized to enable the cylindrical cloth to rotate, sewing is carried out while rotating, the circular through rotating mechanism is provided with the pressing wheel, the cloth is fully attached to the cylinder rotating mechanism, friction force is increased, and the cylindrical cloth can rotate smoothly.

(7) The multifunctional cylinder sewing and laparotomy integrated machine is provided with the cloth head absorption device, and sundries such as broken threads and the like are absorbed into the recovery box, so that the cloth head is prevented from being damaged in the machine.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic view of a multifunctional cylinder sewing and laparotomy integrated machine according to an embodiment of the invention;

FIG. 2 is a schematic view of a first cloth turning mechanism according to an embodiment of the present invention;

FIG. 3 is a schematic view of the inside of the first cloth flipping mechanism according to the embodiment of the present invention;

FIG. 4 is a schematic view of a laparotomy mechanism according to an embodiment of the invention;

FIG. 5 is a schematic view of a laparotomy mechanism according to an embodiment of the invention;

FIG. 6 is an enlarged view of a portion of A in FIG. 5 according to an embodiment of the present invention;

FIG. 7 is a schematic view of a first sliding groove and a second sliding groove according to an embodiment of the present invention;

FIG. 8 is a schematic view of a cylinder end seaming machine according to an embodiment of the present invention installed on an end seaming slide;

FIG. 9 is a schematic view of a cylinder end seaming machine according to an embodiment of the present invention;

Fig. 10 is a schematic view of a first cylinder rotating mechanism according to an embodiment of the present invention;

fig. 11 is a schematic view of a second cylinder rotating mechanism according to an embodiment of the present invention;

FIG. 12 is a schematic view showing the connection of a sewing machine, a cloth correcting assembly, a cloth withdrawing rod, a blowing pipe and a cloth head absorbing pipe according to an embodiment of the present invention;

fig. 13 is a schematic view of a front cloth assembly according to an embodiment of the invention.

Description of reference numerals:

1. a first strut; 2. a second strut; 3. a cylinder end sewing machine; 301. a first fixed seat; 302. a second fixed seat; 303. a movable seat; 304. a stitch drive motor; 305. a first supporting seat; 306. a first rotating electrical machine; 307. a first cylinder rotating mechanism; 3071. a first rotary driving wheel; 3072. rotating the driven wheel; 3073. rotating the caterpillar; 3074. rotating the frame body; 308. a second supporting seat; 309. a second rotating electrical machine; 310. a second cylinder rotating mechanism; 311. a first pinch roller cylinder; 312. a first connecting frame; 313. a first pressure wheel frame; 314. the pinch roller body; 315. a second connecting frame; 316. a second pressure wheel frame; 317. a sewing machine; 318. a cloth correcting component; 31801. arranging a mounting plate; 31802. a cloth correcting motor; 31803. a positive cloth driving wheel; 31804. a positive cloth driven wheel; 31805. a cloth correcting cylinder; 31806. a positive cloth connecting frame; 31807. a front cloth supporting plate; 31808. connecting blocks; 31809. a positive cloth connecting plate; 31810, a first threaded rod; 31811. a coupling; 31812. a second threaded rod; 319. a cloth withdrawing cylinder; 320. A cloth withdrawing rod; 321. an air blowing pipe; 322. a cloth head absorption pipe; 323. a second pinch roller cylinder; 4. a cross beam; 5. a connecting frame; 6. a first chute; 7. a second chute; 8. a laparotomy mechanism; 801. a first laparotomy support frame; 802. a second laparotomy support frame; 803. a laparotomy delivery mechanism; 804. a laparotomy traction roller; 805. c, laparotomy and fabric roller dropping; 806. a laparotomy support beam; 807. a laparotomy adjustment assembly; 8071. adjusting the bottom plate; 8072. an adjusting seat; 8073. adjusting the lead screw; 8074. a hand wheel; 8075. adjusting the nut seat; 8076. an adjusting arm; 808. a laparotomy slide rail I; 809. a second laparotomy slide rail; 810. laparotomy rack; 811. laparotomy collecting tank; 9. a second laparotomy mechanism; 10. a first cloth turning mechanism; 1001. a first guide rail; 1002. a second guide rail; 1003. turning over the plate frame; 1004. a connecting rod; 1005. a flap driven wheel; 1006. A plate turnover motor; 1007. a turning plate driving wheel; 1008. a board turning rod; 1009. a flap body; 1010. a cover plate; 1011. a plate turning cylinder; 11. a second cloth turning mechanism; 12. a first transmission mechanism; 1201. a conveyor belt; 1202. a stopper; 13. a second conveying mechanism; 14. a stitch sliding rail.

Detailed Description

It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

A multifunctional cylinder head sewing and laparotomy integrated machine is shown in figures 1 to 13 and comprises a first support 1, a second support 2 and a cylinder head sewing machine 3,

the structure of the first support 1 is the same as that of the second support 2, the bottom of the first support 1 is connected to the bottom of the second support 2 through a unwinding groove, and particularly, an adjustable yardage roll limiting plate is arranged in the unwinding groove and used for limiting yardage rolls with different lengths; the middle part of the first support 1 is connected to the middle part of the second support 2 through a cylinder head sewing machine 3, the middle upper part of the first support 1 is connected to the middle upper part of the second support 2 through a cross beam 4, a connecting frame 5 is arranged in the middle of the cross beam 4, and the top of the first support 1 is connected to one side of the connecting frame 5 through a first traction roller and a first cropping roller respectively; the second support column 2 is connected to the other side of the connecting frame 5 through a second traction roller and a second cropping roller respectively; a first sliding chute 6 is arranged below the first cropping roller, a second sliding chute 7 is arranged below the second cropping roller, a first laparotomy mechanism 8 and a second laparotomy mechanism 9 which are symmetrical to each other are arranged on two sides of the cylinder end sewing machine 3,

A first cloth turning mechanism 10 and a second cloth turning mechanism 11 which are symmetrically arranged are arranged between the first laparotomy mechanism 8 and the second laparotomy mechanism 9 and in front of the cylinder head sewing machine 3, a first conveying mechanism 12 is arranged on one side of the first cloth turning mechanism 10, and a second conveying mechanism 13 is arranged on one side of the second cloth turning mechanism 11.

One side of the first support column 1 is provided with a controller.

The first conveying mechanism 12 and the second conveying mechanism 13 are identical in structure, the first conveying mechanism 12 comprises conveying rollers, conveying supports and conveying belts 1201, a driving roller and a plurality of driven rollers parallel to the driving roller are arranged between the conveying supports, the driving roller is driven by a conveying motor, the driving roller is connected with the driving rollers through chains, the conveying belts 1201 are wound on the driving roller and the driving rollers, a plurality of stop blocks 1202 are arranged on the conveying belts 1201, the distance between each stop block 1202 is equal, when sewing is conducted, cloth rolls are placed on the conveying belts 1201, the distance between each cloth roll is equal through the stop blocks 1202, when conveying is conducted, only one fixed conveying belt 1201 moving parameter needs to be set, when one piece of cloth is conveyed, the cloth roll falls into the cloth turning mechanism according to one-time switching, conveying operation is more convenient, and conveying motor signals are connected to a controller.

The first cloth turning mechanism 10 and the second cloth turning mechanism 11 are identical in structure, the first cloth turning mechanism 10 comprises a first guide rail 1001, a second guide rail 1002, a turning plate frame 1003 and a turning plate cylinder 1011, four rollers are arranged at the bottom of the turning plate frame 1003, the turning plate frame 1003 is placed on the first guide rail 1001 and the second guide rail 1002 through the rollers, the two rollers are connected through a connecting rod 1004, a turning plate driven wheel 1005 is fixedly installed in the middle of the connecting rod 1004, a turning plate motor 1006 is arranged on the inner wall of the turning plate frame 1003, a turning plate driving wheel 1007 is arranged at the output end of the turning plate motor 1006, the turning plate driving wheel 1007 is connected with the turning plate driven wheel 1005 through a chain, a fixing plate is arranged in the middle of one side of the turning plate frame 1003 close to the cylinder sewing machine 3, the turning plate cylinder 1011 is fixedly installed on the fixing plate, the output end of the turning plate cylinder 1011 is, turnover plate frame 1003 one side is equipped with infrared sensor No. one, apron 1010 both sides are equipped with one respectively and turn over the corresponding logical groove of board body 1009, infrared sensor No. one, turn over board motor 1006 and turn over the equal signal connection of board cylinder 1011 and to the controller, when transport mechanism 12 conveys the yardage roll to turnover mechanism 10 on, infrared sensor detects the yardage roll No. one, controller control turns over board motor 1006 work, thereby drive turnover plate frame 1003 and move forward, when infrared sensor detects that turnover plate frame 1003 moves to unwinding groove one side, turn over board cylinder 1011 work, turn over the platform that the board body overturns the yardage roll to unwinding groove edge, the staff is convenient for carry on subsequent operation.

The first laparotomy mechanism 8 is the same as the second laparotomy mechanism 9, the first laparotomy mechanism 8 comprises a first laparotomy support frame 801, a second laparotomy support frame 802, a laparotomy transmission mechanism 803, a laparotomy collection tank 811, a laparotomy traction roller 804, a laparotomy cloth roller 805, a laparotomy frame 810, a first laparotomy support frame 801 and a second laparotomy support frame 802 which are L-shaped, a corner of the first laparotomy support frame 801 is connected to a corner of the second laparotomy support frame 802 through a laparotomy traction roller 804, an end of the first laparotomy support frame 801 is connected to an end of the second laparotomy support frame 802 through a laparotomy cloth roller 805, a laparotomy support beam 806 is arranged below the laparotomy traction roller 804, a laparotomy adjustment assembly 807 is fixedly installed in the middle of the upper surface of the laparotomy support beam 806, a laparotomy head is arranged in the middle of the lower surface of the laparotomy support beam 806, a laparotomy slide, two ends of the laparotomy frame 810 are respectively provided with a pulley and are respectively connected with a laparotomy slide rail 808 and a laparotomy slide rail 809, the middle part of the laparotomy frame 810 is hinged with an adjusting arm 8076 of the laparotomy adjusting component 807, the laparotomy head is EL-BT2535,

the angle of the laparotomy head is manually adjusted by the laparotomy adjustment assembly 807, and then the circular tube cloth is sleeved on the laparotomy frame 810, and cutting is performed by the laparotomy head; laparotomy conveying mechanism 803 and laparotomy collecting tank 811 are both arranged on one side of first laparotomy supporting frame 801 and second laparotomy supporting frame 802, one end of laparotomy conveying mechanism 803 is arranged below first sliding groove 6, the other end of laparotomy conveying mechanism is connected to laparotomy collecting tank 811, and laparotomy collecting tank 811 is arranged under laparotomy frame 810, and particularly, a laparotomy limiting ring is arranged in laparotomy collecting tank 811, and cloth ends are connected to laparotomy frame 810 through the laparotomy limiting ring, so that the cloth ends can be laparotomized in the vertical direction, and errors are avoided.

The laparotomy frame 810 is of a triangular structure as a whole, so that the tubular fabric can be conveniently sleeved; the middle of the laparotomy frame 810 is provided with a first supporting rod and a second supporting rod, the laparotomy adjusting assembly 807 comprises an adjusting base plate 8071, two ends of the adjusting base plate 8071 are respectively provided with an adjusting seat 8072, an adjusting lead screw 8073 is arranged between the two adjusting seats 8072, one end of the adjusting lead screw 8073 is provided with a hand wheel 8074, the adjusting nut seat 8075 is in threaded connection with the adjusting lead screw 8073, one end of an adjusting arm 8076 is hinged to the adjusting nut seat 8075, the other end of the adjusting arm 8076 is hinged to the first supporting rod of the laparotomy frame 810, and the position of the adjusting nut seat 8075 is changed through the hand wheel 8074, so that the laparotomy frame 810 generates different angles, and the angles can be adjusted according to the conditions of.

A stitching slide rail 14 is arranged between the first support 1 and the second support 2, two cylinder stitching machines 3 are arranged on the stitching slide rail 14, the two cylinder stitching machines 3 are symmetrically distributed, each cylinder stitching machine 3 comprises a first fixed seat 301, a second fixed seat 302 and a moving seat 303, and the first fixed seat 301, the second fixed seat 302 and the moving seat 303 are sequentially and fixedly mounted on the stitching slide rail 14; two ends of the sewing head slide rail 14 are respectively provided with a sewing head driving motor 304, and the two sewing head driving motors 304 respectively drive the moving seats 303 of the two cylindrical sewing machines 3 through chains; the first fixing seat 301 and the second fixing seat 302 of the two cylinder end sewing machines 3 are fixedly mounted on the end sewing slide rail 14 and cannot move, the end sewing slide rail 14 is provided with a groove used for hiding a chain, the mounting of the first fixing seat 301 and the second fixing seat 302 cannot be influenced, and the moving seat 303 can be moved.

The first fixing seat 301 is provided with a first supporting seat 305, one end of the first supporting seat 305 is provided with a first rotating motor 306, the other end of the first supporting seat 305 is provided with a first cylinder rotating mechanism 307, and a first rotating driving wheel 3071 of the first cylinder rotating mechanism 307 is fixedly connected to the output end of the first rotating motor 306 through a transmission rod;

the moving seat 303 is provided with a second supporting seat 308, one end of the second supporting seat 308 is provided with a second rotating motor 309, the other end of the second supporting seat 308 is provided with a second cylinder rotating mechanism 310, a second rotating driving wheel of the second cylinder rotating mechanism 310 is fixedly connected to the output end of the second rotating motor 309 through a transmission rod, the first rotating motor 306 and the second rotating motor 309 are in signal connection with the controller, when cloth heads of two pieces of cloth are sleeved to the first cylinder rotating mechanism 307 and the second cylinder rotating mechanism 310, a worker turns on the first rotating motor 306 and the second rotating motor 309 to work,

the first supporting seat 305 is provided with a first pressing wheel cylinder 311, the top of the first pressing wheel cylinder 311 is provided with a first connecting frame 5312, the middle part of a first pressing wheel frame 313 is hinged to the first connecting frame 5312, one end of the first pressing wheel frame 313 is hinged to the output end of the first pressing wheel cylinder 311, the other end of the first pressing wheel frame 313 is provided with a pressing wheel body 314, when the tubular fabric rotates on the first cylinder rotating mechanism 307, the first pressing wheel cylinder 311 works to press the fabric, so that the tubular fabric can rotate on the first cylinder mechanism more smoothly,

The moving seat 303 is provided with a second pressing wheel cylinder 323, the top of the second pressing wheel cylinder 323 is provided with a second connecting frame 5315, the middle of a second pressing wheel frame 316 is hinged to the second connecting frame 5315, one end of the second pressing wheel frame 316 is hinged to the output end of the second pressing wheel cylinder 323, the other end of the second pressing wheel frame 316 is provided with two pressing wheel bodies 314, particularly, the second pressing wheel cylinder 323 is obliquely installed on the moving seat 303, so that the two pressing wheel bodies 314 on the second pressing wheel frame 316 can better press cylindrical cloth, the first pressing wheel cylinder 311 and the second pressing wheel cylinder 312 are in signal connection with a controller, and when the first rotating motor 306 and the second rotating motor 309 work, the controller controls the first pressing wheel cylinder 311 and the second pressing wheel cylinder 312 to work, so as to drive the pressing wheel bodies 314 to press cloth heads.

The first cylinder rotating mechanism 307 and the second cylinder rotating mechanism 310 are identical in structure, the first cylinder rotating mechanism 307 comprises a first rotating driving wheel 3071, two rotating driven wheels 3072, a rotating crawler 3073, a rotating frame 3074 and a first rotating driving wheel 3071 which is fixedly arranged on the upper portion of the rotating frame 3074, the two mutually parallel rotating driven wheels 3072 are fixedly arranged at the bottom of the rotating frame 3074, the rotating crawler 3073 respectively bypasses the first rotating driving wheel 3071 and the two rotating driven wheels 3072 and is closed, and the first rotating driving wheel 3071 is fixedly connected to the output end of the first rotating motor 306 through a transmission rod; when the sewing machine is used, the drum cloth is manually sleeved on the first drum rotating mechanism 307 and the second drum rotating mechanism 310, the switch is turned on, the drum cloth starts to rotate under the driving of the rotating crawler 3073, and the sewing operation is performed while the drum cloth rotates.

The second fixed seat 302 is provided with a sewing machine 317 for weaving, and the model of the sewing machine 317 is MO-6804S; a cloth correcting assembly 318 is fixedly installed on one side of the sewing machine 317, a protective plate is arranged on the outer side of the cloth correcting assembly 318, a cloth withdrawing cylinder 319 is arranged on the upper surface of the protective plate, a cloth withdrawing rod 320 is arranged at the output end of the cloth withdrawing cylinder 319, and cloth is pushed out of the first cylinder rotating mechanism 307 and the second cylinder rotating mechanism 310; one side of the cloth withdrawing rod 320 is provided with an air blowing pipe 321, and the purpose of the air blowing pipe 321 is to blow the cloth end with curled edges flat for convenient sewing; a cloth head absorbing pipe 322 is arranged below the air blowing pipe 321, the cloth head absorbing pipe 322 collects and uniformly processes the thread heads or the broken cloth, the thread heads are prevented from entering a machine to damage the machine, a second infrared sensor is arranged on the inner side of the protective plate, the second infrared sensor and the cloth withdrawing cylinder 319 are in signal connection with the controller, after the cloth heads are sewn, the first cylinder rotating mechanism 307 and the second cylinder rotating mechanism 310 stop working, and the controller controls the cloth withdrawing cylinder 319 to work to push out the cloth heads.

The positive cloth assembly 318 comprises a positive cloth mounting plate 31801, a positive cloth motor 31802, a positive cloth driving wheel 31803, a positive cloth driven wheel 31804, a driving gear, a driven gear, a positive cloth cylinder 31805 and a positive cloth connecting frame 31806, wherein the positive cloth motor 31802 is fixedly mounted on one side of the positive cloth mounting plate 31801, the positive cloth driving wheel 31803 and the positive cloth driven wheel 31804 are mounted on the other side of the positive cloth mounting plate 31801, the positive cloth driving wheel 31803 is connected to the output end of the positive cloth motor 31802, the positive cloth driving wheel 31803 is connected with the positive cloth driven wheel 31804 through a belt, a positive cloth gear box is arranged on one side of the positive cloth driven wheel 31804, a driving gear and a driven gear which are meshed with each other are arranged in the positive cloth gear box, and the positive,

A first end of the positive cloth supporting plate 31807 is connected to one side of the positive cloth gear box, a first end of the positive cloth connecting plate 31809 is connected to the other side of the positive cloth gear box, a second end of the positive cloth supporting plate 31807 is connected to a second end of the positive cloth connecting plate 31809 through a rotary connecting block 31808,

a first threaded rod 31810 passes through connecting block 31808 and is coupled by a coupling 31811 to one end of a first drive rod, the other end of which is coupled to the drive gear,

the second threaded rod 31812 is connected to the driven gear through a second driving rod, and the thread direction of the first threaded rod 31810 is opposite to that of the second threaded rod 31812;

the positive cloth mounting plate 31801 is provided with a positive cloth cylinder 31805, the output end of the positive cloth cylinder 31805 is connected to a positive cloth supporting plate 31807 through a positive cloth connecting frame 31806, and the positive cloth cylinder 31805 and a positive cloth motor 31802 are in signal connection with a controller;

when the tubular fabric is sleeved on the first cylindrical rotating mechanism 307 and the second cylindrical rotating mechanism 310, the side edge of the tubular fabric is pressed between the first threaded rod 31810 and the second threaded rod 31812, position variation of the tubular fabric can happen inevitably during head sewing operation, head sewing failure can be caused, the second infrared sensor can detect the motion track of the tubular fabric head, when the fabric head deviates from a datum line for sewing the fabric head, the second infrared sensor transmits detection information to the controller, the controller continuously controls the first threaded rod 31810 and the second threaded rod 31812 to extrude the fabric head, the fabric head returns to the datum line under the action of threads, the second infrared sensor can detect in real time in the process, and the purpose of cloth correction at the first time is achieved.

The tubular fabric is always sewn on a straight line.

The upper part of the first cylinder rotating mechanism 307 is provided with a cloth supporting rod, the lower part of the first cylinder rotating mechanism 307 is connected to the second cylinder rotating mechanism 310 through a nylon rope, and the cloth supporting rod and the nylon rope are both used for supporting the cylindrical cloth.

The multifunctional cylinder sewing and laparotomy integrated machine has a symmetrical structure, so that only one part on one side is explained and the working principle of the other part is the same when the working principle is explained; a piece of cylindrical cloth is sleeved on the first cylinder rotating mechanism 307 and the second cylinder rotating mechanism 310 in advance;

then, the tubular fabric is placed on the first conveying mechanism 12, the switch is pressed, the first conveying mechanism 12 conveys the tubular fabric to the first fabric overturning mechanism 10, the tubular fabric falls on the first fabric overturning mechanism 10, the first infrared sensor arranged on the first fabric overturning mechanism 10 detects that the tubular fabric falls in, at the moment, the first infrared sensor detects that the first conveying mechanism 12 does not have the tubular fabric, the controller controls the first conveying mechanism 12 to stop working,

meanwhile, the controller controls the first cloth turning mechanism 10 to convey the tubular cloth to one side of the unwinding groove, when the first infrared sensor detects that the first cloth turning mechanism 10 moves to one side of the unwinding groove, the controller controls the plate turning air cylinder 1011 to work to turn and convey the cloth roll to a platform on one side of the unwinding groove, and after the turning is finished, the first cloth turning mechanism 10 returns to the initial position on one side of the first conveying mechanism 12 to prepare for the next round of tubular cloth conveying work;

The worker sleeves the cloth head of the cylindrical cloth falling into the unwinding groove onto the first cylindrical rotating mechanism 307 and the second cylindrical rotating mechanism 310, the previous cylindrical cloth placed on the first doffing roller and the first traction roller in advance at the other side is also sleeved onto the first cylindrical rotating mechanism 307 and the second cylindrical rotating mechanism 310, the controller controls the sewing machine 317 to sew the two sections of the cylindrical cloth, after sewing is completed, the cylindrical cloth exits from the first cylindrical rotating mechanism 307 and the second cylindrical rotating mechanism 310, the first doffing roller works to roll up the cylindrical cloth with the sewn head, and at the moment, if the collected cylindrical cloth does not need to be subjected to splitting operation, the collected cylindrical cloth is directly collected at the first doffing roller and then is transported;

if the laparotomy operation is needed, the numbered tubular fabric moves to a laparotomy conveying mechanism 803 through a first sliding groove 6, the tubular fabric enters a laparotomy collecting groove 811 through the laparotomy conveying mechanism 803, a worker sleeves the tubular fabric in the laparotomy collecting groove 811 onto a laparotomy frame 810, the tubular fabric is subjected to laparotomy under the action of a laparotomy head, the laparotomy-finished fabric is collected under the action of a laparotomy drawing roller 804 of a laparotomy dropping roller 805, and the collected cloth is conveyed to a storage area through a trolley after the collection is finished; and repeating the operation, and continuing to perform head sewing operation on the next piece of tubular fabric.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

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