阅读说明：本技术 一种含有断纱自动翻盖机构的纺纱机 (Spinning machine with automatic broken yarn cover turning mechanism ) 是由 林嘉佑 于 2021-08-16 设计创作，主要内容包括：本发明公开了纺纱机械技术领域的一种含有断纱自动翻盖机构的纺纱机,包括机架、熔喷装置、运输装置、摩擦纺纱装置、断纱自动翻盖机构和纱线收卷装置,运输装置、摩擦纺纱装置、断纱自动翻盖机构和纱线收卷装置从左到右依次安装在机架的水平台上,熔喷装置安装在机架的前侧面上且位于运输装置的左上方,通过熔喷装置将熔体制成熔体纤维,运输装置承接熔体纤维并将其运输至摩擦纺纱装置的进料端；摩擦纺纱装置将熔体纤维凝聚加捻成纱,断纱自动翻盖机构进行防断纱检测,最后利用纱线收卷装置进行纱线收集,便于工人及时处理断纱情况,延长设备寿命,提高生产效率,具有市场推广价值。(The invention discloses a spinning machine containing a broken yarn automatic cover-turning mechanism, which belongs to the technical field of spinning machinery and comprises a frame, a melt-blowing device, a conveying device, a friction spinning device, a broken yarn automatic cover-turning mechanism and a yarn winding device, wherein the conveying device, the friction spinning device, the broken yarn automatic cover-turning mechanism and the yarn winding device are sequentially arranged on a horizontal table of the frame from left to right; the friction spinning device coagulates and twists melt fibers into yarns, the broken yarn automatic cover turning mechanism performs yarn breakage prevention detection, and finally the yarn winding device is used for yarn collection, so that workers can timely handle the broken yarn condition, the service life of equipment is prolonged, the production efficiency is improved, and the market promotion value is achieved.)

1. The utility model provides a spinning machine that contains automatic flip mechanism of broken yarn, includes frame (1), melt and spout device (2), conveyer (3), friction spinning device (4), automatic flip mechanism of broken yarn (5) and yarn coiling mechanism (6), its characterized in that: the conveying device (3), the friction spinning device (4), the broken yarn automatic cover turning mechanism (5) and the yarn winding device (6) are sequentially arranged on a horizontal table of the rack (1) from left to right, and the melt-blowing device (2) is arranged on the front side surface of the rack (1) and is positioned above the conveying device (3) from left to right;

the automatic broken yarn flip mechanism (5) comprises a first U-shaped block (500), threading holes (501) are oppositely formed in the upper portions of the two sides of the first U-shaped block (500), two installation cavities (502) are formed in the bottom of the first U-shaped block (500), a cover plate (503) is rotatably installed on the inner wall of the installation cavity (502) on the left side, a clamp plate (504) penetrating and extending to the threading holes (501) on the left side is rotatably installed at the left end of the cover plate (503), an air cylinder (505) with an electromagnetic valve is rotatably installed between the bottom of the cover plate (503) and the installation cavity (502) on the left side, the electromagnetic valve is in signal connection with a PLC, a time relay and a pressure sensor (506) are connected through signals, the pressure sensor (506) is detachably installed at the bottom of the installation cavity (502) on the right side, and a threading hook (507) is vertically inserted and inserted into the installation cavity (502) on the right side, wire passing hook (507)'s bottom is connected with first spring (508) through between welding baseplate and installation cavity (502) inner wall top, manual telescopic link (509) are installed to the front and back surface right side below horizontal of first U type piece (500), two install second U type piece (510) between the right-hand member of manual telescopic link (509), the inner chamber damping of second U type piece (510) is rotated and is installed U type pole (511) of buckling, slidable mounting has U type seat (513) between the inner wall of U type pole (511) of buckling.

2. A spinning machine with a broken yarn automatic cover-turning mechanism according to claim 1, characterized in that: and a bolt and nut assembly (512) is installed on the second U-shaped block (510), and the outer wall of a bolt of the bolt and nut assembly (512) is sleeved with a bent U-shaped rod (511) through a torsion spring.

3. A spinning machine with a broken yarn automatic cover-turning mechanism according to claim 2, characterized in that: the outer side of the inner wall of the bent U-shaped rod (511) is provided with a ladder penetration sliding groove and a sliding block, and the U-shaped seat (513) is connected with the sliding block through a butterfly bolt.

4. A spinning machine with a broken yarn automatic cover-turning mechanism according to claim 1, characterized in that: the bottom of the pressure sensor (506) is provided with a grid plate, two sides of the inner wall of the installation cavity (502) are fixed with threaded hole blocks, and the grid plate and the bolt hole blocks are fixed through screws.

5. A spinning machine with a broken yarn automatic cover-turning mechanism according to claim 1, characterized in that: the conveying device (3) comprises channel steel sections (30), transmission rollers (31) are installed on two sides of each channel steel section (30) in a rotating mode, a net forming curtain (32) is installed between the two transmission rollers (31), volute air wheel assemblies (33) are installed between the inner side of the net forming curtain (32) and the inner side wall of each channel steel section (30) through welding cross beams, air pipes (34) are installed at openings of two sides of each volute air wheel assembly (33), electric heating wires (35) are installed on the inner wall of each air pipe (34) on the right side, first motors (36) are installed on the rear sides of the channel steel sections (30), first rotating shafts (38) are installed between motor shafts of the first motors (36) and the outer walls of the channel steel sections (30) through supporting seats and couplers, second rotating shafts (37) penetrating through the channel steel sections (30) are installed on air wheel shafts of the volute air wheel assemblies (33) through coupler rotation, the first rotating shaft (38) is connected with the second rotating shaft (37) through a bevel gear pair, a first gear reduction box (39) is mounted at the other end of the first rotating shaft (38), and a power output end of the first gear reduction box (39) is connected with the left shaft body of the transmission roller (31) through the bevel gear pair.

6. A spinning machine with automatic cover-turning mechanism for broken yarn according to claim 5, characterized in that: and inflatable wear-resistant rubber blocks are uniformly and fixedly arranged on the surface of the port of the air pipe (34) in a crossed manner.

7. A spinning machine with automatic cover-turning mechanism for broken yarn according to claim 5, characterized in that: the middle section of the net forming curtain (32) along the conveying direction is provided with a fiber adding device for adding other fibers, and the fiber adding device can be a conveying belt or a vertically arranged blanking pipe.

8. A spinning machine with a broken yarn automatic cover-turning mechanism according to claim 1, characterized in that: the friction spinning device (4) comprises a rectangular cover (400) with openings at the lower left side and the right side, a partition plate (401) with a shearing opening is integrally installed in the middle of an inner cavity of the rectangular cover (400), a bending plate (405) is installed on the upper portion of the inner cavity of the rectangular cover (400), an air suction channel (406) is installed on the bending plate (405), a winding rod (402), a carding mechanism (403) and a pair of spaced dust cages (404) are installed in a triangular rotating mode in a space formed by the rectangular cover (400), the partition plate (401) and the bending plate (405), a second motor (407) is fixed on the outer wall of the rectangular cover (400) through a welding supporting plate, a motor shaft of the second motor (407) is coaxially connected with the carding mechanism (403), a third rotating shaft (409) is further rotatably installed on the outer wall of the rectangular cover (400), and a second toothed reduction gearbox (408) is installed between the third rotating shaft (409) and the second motor (407), the utility model discloses a dust collection device, including bearing plate, second motor (407) and second tooth formula reducing gear box (408) are installed through the supporting seat rotation on the layer board, fourth pivot (410) pass through shaft coupling and bevel gear pair connection second motor (407) and second tooth formula reducing gear box (408), second tooth formula reducing gear box (408) are connected with third pivot (409) through bevel gear pair, third pivot (409) are connected with winding rod (402) through first sprocket chain subassembly (411), third pivot (409) are connected with one of them dust cage (404) through second sprocket chain subassembly (412), two connect through third sprocket chain subassembly (413) between dust cage (404), alarm (414) with PLC signal connection are still installed to the outer wall of rectangular cover (400).

9. A spinning machine with a broken yarn automatic cover-turning mechanism according to claim 1, characterized in that: the yarn winding device (6) comprises an L-shaped plate (600), a wire outlet hole (601) is formed in the middle of the left side wall of the L-shaped plate (600), hole plates (602) are oppositely installed in the front and back of the middle of the L-shaped plate (600), a T-shaped rod (603) is inserted and connected onto the hole plate (602) in a sliding mode on the rear side, a spline sleeve (604) is inserted and connected onto the hole plate (602) on the front side in a sliding mode, manual clamps (605) are installed at the inner ends of the T-shaped rod (603) and the spline sleeve (604), a spline shaft (606) is inserted and connected into the spline sleeve (604) in a matching mode, a movable plate (608) is installed at the outer end of the spline sleeve (604) in a rotating mode, the movable plate (608) is connected with the outer wall of the hole plate (602) on the front side through a second spring (609), a third motor (607) is fixed on the front side of the L-shaped plate (600) through a welding base, a cam (610) rotatably attached to the movable plate (608) is fixed on the outer wall of a motor shaft of the third motor (607), the outer end of a motor shaft of the third motor (607) is connected with a spline shaft (606) through a bevel gear pair, and the spline shaft (606) is connected with the base through a supporting seat.

Technical Field

The invention relates to the technical field of spinning machinery, in particular to a spinning machine with a broken yarn automatic cover-turning mechanism.

Background

Chemical fibers are becoming more widely used for everyday and industrial purposes, and their role is becoming more important. The melt-blowing method can prepare superfine fibers and distribute the fibers in a three-dimensional structure. The specific process flow is as follows: the polymer slices are heated and melted in a screw extruder, the melt is conveyed to a spinneret orifice of a spinneret plate, the polymer melt leaving the spinneret orifice forms superfine filaments or superfine short fibers under the strong drafting action of high-speed high-temperature air flow, and the superfine filaments or the superfine short fibers are deposited on a net forming curtain or a receiving roller along with the air flow to form a melt-blown fiber web, and the melt-blown fiber web mainly forms non-woven fabrics in a self-bonding or thermal bonding mode, and can also be reinforced by other methods. The existing melt-blowing method is generally only used for preparing non-woven fabrics, and an apparatus for preparing yarns from fiber bundles after melt-blowing is lacked.

Friction spinning is an open-end spinning, the spinning principle of which is mainly performed mechanically and aerodynamically. After loose fibers or slivers are fed into a special device, the loosened fibers are adsorbed and condensed on the surface of a moving screen, and yarn is formed by friction twisting between the surface of a rotary body and fiber bundles condensed on the rotary body. The friction spinning has the characteristic of wide spinning range, has low requirement on raw materials, and is suitable for various raw materials such as natural fibers, chemical fibers, leftover materials and the like. The invention discloses a spinning machine with an automatic broken yarn flip mechanism, which is used for solving the problems.

Disclosure of Invention

The invention aims to provide a spinning machine with an automatic cover-turning mechanism for broken yarn, which aims to solve the problem that a spinning device convenient for handling the broken yarn condition needs to be designed in the practical production proposed in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a spinning machine with a broken yarn automatic cover-turning mechanism comprises a rack, a melt-blowing device, a conveying device, a friction spinning device, a broken yarn automatic cover-turning mechanism and a yarn winding device, wherein the conveying device, the friction spinning device, the broken yarn automatic cover-turning mechanism and the yarn winding device are sequentially arranged on a horizontal table of the rack from left to right; the friction spinning device is used for coagulating and twisting the melt fiber into yarn, the broken yarn automatic cover-turning mechanism is used for detecting broken yarn, and the yarn winding device is used for collecting yarn;

the automatic broken yarn flip mechanism comprises a first U-shaped block, wherein the upper parts of two sides of the first U-shaped block are oppositely provided with threading holes, the bottom of the first U-shaped block is provided with two installation cavities, the inner wall of the installation cavity at the left side is rotatably provided with a cover plate, the left end of the cover plate is rotatably provided with a tension plate which penetrates through and extends to the threading hole at the left side, an air cylinder with an electromagnetic valve is rotatably arranged between the bottom of the cover plate and the installation cavity at the left side, the electromagnetic valve is in signal connection with a PLC (programmable logic controller), the PLC is in signal connection with a time relay and a pressure sensor, the pressure sensor is detachably arranged at the bottom of the installation cavity at the right side, a threading hook is vertically inserted on the installation cavity at the right side, the bottom of the threading hook is connected with a first spring through a welding bottom plate and the top of the inner wall of the installation cavity, and a manual telescopic rod is horizontally arranged below the right side of the front surface and the back surface of the first U-shaped block, two install second U type piece between manual telescopic link's the right-hand member, the inner chamber damping of second U type piece is rotated and is installed U type pole of buckling, slidable mounting has U type seat between the inner wall of U type pole of buckling, when running through in through wires hole, wire passing hook, U type seat and the yarn disconnection of buckling U type pole when lax, the wire passing hook moves down under first spring action, pressure sensor receives the extrusion, produces the signal, and PLC control solenoid valve opens, and external air supply makes the cylinder extension, and the apron rotates to make the clamp move on the clamp plate and carry the yarn, and time relay cooperation PLC and alarm report to the police simultaneously.

Preferably, the second U-shaped block is provided with a bolt and nut assembly, and the outer wall of a bolt of the bolt and nut assembly is sleeved with a bent U-shaped rod through a torsion spring, so that the inclination is convenient to adjust, and the yarn is tensioned.

Preferably, the outer side of the inner wall of the bent U-shaped rod is provided with a stepped through sliding chute and a sliding block, and the U-shaped seat is connected with the sliding block through a butterfly bolt, so that the position of the U-shaped seat can be conveniently adjusted.

Preferably, the grid plate is installed to pressure sensor's bottom, the inner wall both sides of installation cavity are fixed with the screw hole piece, the grid plate passes through the fix with screw with the bolt hole piece, and it is convenient to install the maintenance.

Preferably, the transportation device comprises a channel steel section, transmission rollers are rotatably mounted on two sides of the channel steel section, a mesh forming curtain is mounted between the two transmission rollers, a volute air wheel assembly is mounted between the inner side of the mesh forming curtain and the inner side wall of the channel steel section through a welding cross beam, air pipes are mounted at openings on two sides of the volute air wheel assembly, an electric heating wire is mounted on the inner wall of the air pipe on the right side, a first motor is mounted on the rear side of the channel steel section, a first rotating shaft is mounted between a motor shaft of the first motor and the outer wall of the channel steel section through a supporting seat and a coupling, a second rotating shaft penetrating through the channel steel section is rotatably mounted on an air wheel shaft of the volute air wheel assembly through the coupling, the first rotating shaft and the second rotating shaft are connected through a bevel gear pair, a first gear reduction gearbox is mounted at the other end of the first rotating shaft, and a power output end of the first gear reduction gearbox is connected with a shaft body of the transmission rollers on the left side through the bevel gear pair, the first motor enables the volute casing air wheel assembly to work through the first rotating shaft and the second rotating shaft, the net forming curtain rotates at the same time, the air pipe is utilized to suck air on the left side, the electric heating wire is matched on the right side to blow out hot air, fibers on the net forming curtain are heated, the fibers are softened, carding and conveying are facilitated, and meanwhile, the fibers on the net forming curtain are stripped by hot air flow and input into the friction spinning device.

Preferably, the port surface of the air pipe is uniformly and fixedly provided with inflatable wear-resistant rubber blocks in a crossed manner, so that the gap is reduced, and the negative pressure adsorption effect is provided.

Preferably, the middle section of the net forming curtain along the conveying direction is provided with a fiber adding device for adding other fibers, and the fiber adding device can be a conveying belt or a vertically arranged blanking pipe, so that different fibers can be conveniently mixed.

Preferably, the friction spinning device comprises a rectangular cover with openings at the lower parts of the left side and the right side, a partition plate with a shear port is integrally installed in the middle of an inner cavity of the rectangular cover, a bending plate is installed on the upper part of the inner cavity of the rectangular cover, an air suction channel is installed on the bending plate, a winding rod, a combing mechanism and a pair of spaced dust cages are installed in a triangular rotating mode in a space formed by the rectangular cover, the partition plate and the bending plate, a second motor is fixed on the outer wall of the rectangular cover through a welding supporting plate, a motor shaft of the second motor is coaxially connected with the combing mechanism, a third rotating shaft is further installed on the outer wall of the rectangular cover in a rotating mode, a second tooth type reduction box is installed between the third rotating shaft and the second motor, a fourth rotating shaft is installed on the supporting plate in a rotating mode through a supporting seat, and the fourth rotating shaft is connected with the second motor and the second tooth type reduction box through a coupler and a bevel gear pair, the second gear reduction box is connected with a third rotating shaft through a bevel gear pair, the third rotating shaft is connected with a winding rod through a first chain wheel chain component, the third rotating shaft is connected with one of the dust cages through a second chain wheel chain component, the two dust cages are connected through a third chain wheel chain component, an alarm connected with a PLC signal is further installed on the outer wall of the rectangular cover, the winding rod, the carding mechanism and the pair of spaced dust cages are rotated through a second motor, the rotating shaft and the chain wheel chain component, fibers on the conveying device are scraped onto the carding mechanism rotating at a high speed through the winding rod, the carding mechanism combs the fiber bundles into single fiber states through centrifugal force, an air suction channel is connected with a left air pipe to form an air suction type negative pressure air suction device, the two dust cages rotate in the same direction, one dust cylinder generates an upward friction force to the condensed fiber bundles, and the other dust cylinder generates a downward friction force to the condensed fiber bundles, thereby forming a rotary moment to lead the yarn strip to rotate and twist into yarn.

Preferably, the yarn winding device comprises an L-shaped plate, a wire outlet hole is formed in the middle of the left side wall of the L-shaped plate, orifice plates are oppositely arranged in the front and the back of the middle of the L-shaped plate, a T-shaped rod is inserted on the orifice plate in the back side in a sliding manner, a spline sleeve is inserted on the orifice plate in the front side in a sliding manner, manual fixtures are respectively arranged at the inner ends of the T-shaped rod and the spline sleeve, a spline shaft is inserted in the spline sleeve in a matching manner, a movable plate is rotatably arranged at the outer end of the spline sleeve, the movable plate is connected with the outer wall of the orifice plate at the front side through a second spring, a third motor is fixed on the front side of the L-shaped plate through a welding base, a cam which is rotatably attached to the movable plate is fixed on the outer wall of a motor shaft of the third motor, the outer end of the motor shaft of the third motor is connected with the spline shaft through a bevel gear pair, the spline shaft is connected with the base through a supporting base, and a take-up roller is fixed between the two manual fixtures, the wire can be rotated while moving forwards and backwards to complete wire take-up.

Compared with the prior art, the invention has the beneficial effects that: the melt is made into melt fiber by the melt blowing device, and the melt fiber is received by the conveying device and conveyed to the feeding end of the friction spinning device; the friction spinning device coagulates and twists melt fibers into yarns, the broken yarn automatic cover turning mechanism performs yarn breakage prevention detection, and finally the yarn winding device is used for yarn collection, so that workers can timely handle the broken yarn condition, the service life of equipment is prolonged, the production efficiency is improved, and the market promotion value is achieved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the automatic cover-turning mechanism for the interrupted yarn of FIG. 1;

FIG. 3 is a schematic diagram of the PLC control of FIG. 2;

FIG. 4 is a schematic view of the transportation device of FIG. 1;

FIG. 5 is a schematic view of the friction spinning apparatus of FIG. 1;

FIG. 6 is a transverse partial cross-sectional view of FIG. 5;

fig. 7 is a schematic structural view of the yarn winding device in fig. 1.

In the drawings, the components represented by the respective reference numerals are listed below:

1-a rack, 2-a melt-blowing device, 3-a transportation device, 4-a friction spinning device, 5-a broken yarn automatic cover-turning mechanism, 6-a yarn rolling device, 500-a first U-shaped block, 501-a threading hole, 502-a mounting cavity, 503-a cover plate, 504-a clamp plate, 505-a cylinder, 506-a pressure sensor, 507-a threading hook, 508-a first spring, 509-a manual telescopic rod, 510-a second U-shaped block, 511-a bending U-shaped rod, 512-a bolt and nut component, 513-a U-shaped seat, 30-a channel steel section, 31-a transmission roller, 32-a grid-forming curtain, 33-a volute air wheel component, 34-an air pipe, 35-an electric heating wire, 36-a first motor, 37-a second rotating shaft and 38-a first rotating shaft, 39-a first tooth type reduction box, 400-a rectangular cover, 401-a clapboard, 402-a rolling rod, 403-a carding mechanism, 404-a dust cage, 405-a bending plate, 406-an air suction channel, 407-a second motor, 408-a second tooth type reduction box, 409-a third rotating shaft, 410-a fourth rotating shaft, 411-a first chain wheel and chain assembly, 412-a second chain wheel and chain assembly, 413-a third chain wheel and chain assembly, 414-an alarm, 600-an L-shaped plate, 601-an outlet hole, 602-a pore plate, 603-a T-shaped rod, 604-a spline housing, 605-a manual clamp, 606-a spline shaft, 607-a third motor, 608-a moving plate, 609-a second spring and 610-a cam.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the 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, should not be construed as limiting the present invention.

Examples

Referring to fig. 1-3, the embodiments are:

the present invention provides: a spinning machine with a broken yarn automatic cover turning mechanism comprises a frame 1, a melt-blowing device 2, a conveying device 3, a friction spinning device 4, a broken yarn automatic cover turning mechanism 5 and a yarn winding device 6, wherein the conveying device 3, the friction spinning device 4, the broken yarn automatic cover turning mechanism 5 and the yarn winding device 6 are sequentially installed on a horizontal table of the frame 1 from left to right, and the melt-blowing device 2 is installed on the front side face of the frame 1 and is positioned above the left side of the conveying device 3;

the automatic broken yarn flip mechanism 5 comprises a first U-shaped block 500, threading holes 501 are oppositely arranged at the upper parts of two sides of the first U-shaped block 500, two installation cavities 502 are arranged at the bottom of the first U-shaped block 500, a cover plate 503 is rotatably arranged on the inner wall of the left installation cavity 502, a clamp plate 504 which penetrates through and extends to the threading holes 501 is rotatably arranged at the left end of the cover plate 503, an air cylinder 505 with an electromagnetic valve is rotatably arranged between the bottom of the cover plate 503 and the left installation cavity 502, the electromagnetic valve is in signal connection with a PLC, the PLC is in signal connection with a time relay and a pressure sensor 506, the pressure sensor 506 is detachably arranged at the bottom of the right installation cavity 502, a threading hook 507 is vertically inserted on the right installation cavity 502 in a penetrating manner, a first spring 508 is connected between the bottom of the threading hook 507 and the top of the inner wall of the installation cavity 502 through a welding bottom plate, and a manual telescopic rod 509 is horizontally arranged at the lower right side of the front surface and the back surface of the first U-shaped block 500, a second U-shaped block 510 is installed between the right ends of the two manual telescopic rods 509, a bent U-shaped rod 511 is installed in the inner cavity of the second U-shaped block 510 in a damping rotation mode, a U-shaped seat 513 is installed between the inner walls of the bent U-shaped rods 511 in a sliding mode, a bolt and nut assembly 512 is installed on the second U-shaped block 510, the bent U-shaped rods 511 are sleeved on the outer walls of bolts of the bolt and nut assembly 512 through torsion springs, a step penetrating sliding groove and a sliding block are arranged on the outer side of the inner walls of the bent U-shaped rods 511, the U-shaped seat 513 is connected with the sliding block through a butterfly bolt, a grid plate is installed at the bottom of the pressure sensor 506, threaded hole blocks are fixed to two sides of the inner wall of the installation cavity 502, and the grid plate and the bolt hole blocks are fixed through screws; the melt is made into melt fiber by the melt-blowing device 2, and the melt fiber is received and transported to the feeding end of the friction spinning device 4 by the transporting device 3; the friction spinning device 4 coagulates and twists melt fibers into yarns, the yarns penetrate through the threading holes 501 and the threading hooks 507 through the bent U-shaped rods 511 and the U-shaped seats 513, when the yarns are disconnected and loose, the threading hooks 507 move downwards under the action of the first springs 508, the pressure sensors 506 generate signals, the PLC is matched with the time relays to control the electromagnetic valves to be opened, the air cylinders 505 work to enable the cover plates 503 to rotate, and the thread clamping plates 504 clamp the yarns, so that the yarns are convenient for workers to maintain.

Referring to fig. 4, the transportation device 3 includes a channel steel section 30, transmission rollers 31 are rotatably mounted on two sides of the channel steel section 30, a mesh forming curtain 32 is mounted between the two transmission rollers 31, a volute air wheel assembly 33 is mounted between the inner side of the mesh forming curtain 32 and the inner side wall of the channel steel section 30 through a welding beam, air pipes 34 are mounted at openings on two sides of the volute air wheel assembly 33, an electric heating wire 35 is mounted on the inner wall of the right air pipe 34, a first motor 36 is mounted on the rear side of the channel steel section 30, a first rotating shaft 38 is mounted between a motor shaft of the first motor 36 and the outer wall of the channel steel section 30 through a support seat and a coupling, a second rotating shaft 37 penetrating through the channel steel section 30 is rotatably mounted on an air wheel shaft of the volute air wheel assembly 33 through a coupling, the first rotating shaft 38 is connected with the second rotating shaft 37 through a bevel gear pair, a first reduction gearbox gear 39 is mounted at the other end of the first rotating shaft 38, and a power output end of the first reduction gearbox 39 is connected with a shaft body of the left transmission roller 31 through a bevel gear pair; the surface of the port of the air pipe 34 is uniformly and fixedly provided with inflatable wear-resistant rubber blocks in a crossed manner; the middle section of the net forming curtain 32 along the transportation direction is provided with a fiber adding device for adding other types of fibers, the fiber adding device can be a conveyor belt or a vertically arranged blanking pipe, the fibers are adsorbed on the net forming curtain 32 by utilizing the negative pressure on the left side, the fibers are heated when being transported to the hot air on the right side, and the transportation and the fixation in the transportation process are completed by utilizing a motor;

referring to fig. 5 and 6, the friction spinning device 4 includes a rectangular cover 400 with left and right lower openings, a partition 401 with a shear port is integrally installed in the middle of an inner cavity of the rectangular cover 400, a bending plate 405 is installed on the upper portion of the inner cavity of the rectangular cover 400, an air suction channel 406 is installed on the bending plate 405, a winding rod 402, a combing mechanism 403 and a pair of spaced dust cages 404 are rotatably installed in a triangular shape in a space formed by the rectangular cover 400, the partition 401 and the bending plate 405, a second motor 407 is fixed on the outer wall of the rectangular cover 400 through a welding supporting plate, a motor shaft of the second motor 407 is coaxially connected with the combing mechanism 403, a third rotating shaft 409 is further rotatably installed on the outer wall of the rectangular cover 400, a second toothed reduction gearbox 408 is installed between the third rotating shaft 409 and the second motor 407, a fourth rotating shaft 410 is rotatably installed on the supporting plate through a coupling and a bevel gear pair, the fourth rotating shaft 410 is connected with the second motor 407 and the second toothed reduction gearbox 408 through a supporting seat, the second gear reduction box 408 is connected with a third rotating shaft 409 through a bevel gear pair, the third rotating shaft 409 is connected with the winding rod 402 through a first chain wheel chain component 411, the third rotating shaft 409 is connected with one of the dust cages 404 through a second chain wheel chain component 412, the two dust cages 404 are connected through a third chain wheel chain component 413, the outer wall of the rectangular cover 400 is further provided with an alarm 414 connected with a PLC signal, the winding rod 402, the carding mechanism 403 and a pair of spaced dust cages 404 are rotated by the second motor 407 and the rotating shaft and chain wheel chain components, the fibers on the conveying device 3 are scraped onto the carding mechanism rotating at high speed by the winding rod 402, the carding mechanism 403 combs the fiber bundles into single fiber states by centrifugal force, the air suction channel 406 is connected with the left air duct 34 to form an air suction type negative pressure air suction device, the two dust cages 404 rotate in the same direction under the action of the third chain wheel component 413, and one chain generates upward friction force on the condensed fiber bundles, the other fiber generates a downward friction force to the condensed fiber bundle, thereby forming a rotary torque to ensure that the yarn strip is rotated and twisted into yarn.

Referring to fig. 7, the yarn winding device 6 includes an L-shaped plate 600, a wire outlet 601 is disposed in the middle of the left side wall of the L-shaped plate 600, a hole plate 602 is disposed in the middle of the L-shaped plate 600 in a front-back opposite manner, a T-shaped rod 603 is slidably inserted into the hole plate 602 in the back side, a spline housing 604 is slidably inserted into the hole plate 602 in the front side, manual clamps 605 are disposed at the inner ends of the T-shaped rod 603 and the spline housing 604, a spline shaft 606 is inserted into the spline housing 604 in a matching manner, a moving plate 608 is rotatably mounted at the outer end of the spline housing 604, the moving plate 608 is connected to the outer wall of the hole plate 602 through a second spring 609, a third motor 607 is fixed to the front side of the L-shaped plate 600 through a welding base, a cam 610 rotatably attached to the moving plate 608 is fixed to the outer wall of a motor shaft of the third motor 607, the outer end of the motor shaft of the third motor 607 is connected to the spline shaft 606 through a bevel gear pair, the spline shaft 606 is connected to the base through a support, a take-up roller is fixed between the two manual clamps 605, the yarn passes through the wire outlet hole 601 to be wound with the yarn, the third motor 607 enables the moving plate 608 to move back and forth through the cam 610, and then the take-up roller moves back and forth, the spline shaft 606 is matched with the spline sleeve 604, so that the take-up roller rotates while moving back and forth, and then the take-up is uniform.

The working principle is as follows: the melt is made into melt fiber by the melt-blowing device 2, and the melt fiber is received and transported to the feeding end of the friction spinning device 4 by the transporting device 3; the friction spinning device 4 coagulates and twists melt fiber into yarn, the automatic broken yarn flip mechanism 5 detects broken yarn, and finally the yarn winding device 6 is used for collecting yarn.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.