CN217351928U

CN217351928U - Covering wire winding device of multi-strand core-spun rope twisting machine

Info

Publication number: CN217351928U
Application number: CN202220885111.5U
Authority: CN
Inventors: 温正东
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-04-15
Filing date: 2022-04-15
Publication date: 2022-09-02
Anticipated expiration: 2032-04-15

Abstract

The utility model discloses a covering wire winding device of a multi-strand core-spun rope twisting machine, which comprises a chassis and a rope twisting frame arranged above the chassis, wherein the chassis is provided with a plurality of circumferentially and uniformly distributed covering wire drums, the middle part of each covering wire drum is provided with a bobbin installation shaft for installing a covering wire drum, the bobbin installation shaft is vertically provided with an installation hole in a penetrating way, and a lead needle with a yarn core threading hole is arranged in the installation hole; the package drum is equipped with a plurality of package line steering levers, package line steering lever is around bobbin installation axle circumference evenly distributed, and the upper end of every package line steering lever is rotated and is provided with a steering member, and when the yarn sinle silk was upwards pulled and the package drum drove the relative yarn sinle silk of steering member on the package line steering lever rotatory, many package lines can evenly twine and form the single rope on the yarn sinle silk, and need not adopt a plurality of package line bobbins to draw forth respectively outwards for equipment structure is compacter, makes the structure simpler, reduces manufacturing cost.

Description

Covering wire winding device of multi-strand core-spun rope twisting machine

Technical Field

The utility model relates to a rope machine is turned round to stranded compound rope, more specifically says that it relates to a rope machine's envelope curve wind is turned round to stranded compound rope.

Background

The molding mode of the core-spun three-strand rope is as follows: a plurality of polyester filament ropes are wound on the periphery of each yarn core to form a strand rope, and the step is repeated to produce another two ropes, and then the three ropes are twisted together in a rotating mode to form the core-spun three-strand rope. The twisting machine is an automatic processing device for twisting a plurality of strands of single ropes into a plurality of strands of ropes, and each strand of single rope is formed by winding a plurality of covered wires outside a core wire before being twisted into one strand.

Wherein it includes the frame to turn round the rope machine, including carrying out the envelope wind that wraps up with the yarn core and the take-up that twists round the stranded rope that wraps up together in the frame, traditional envelope wind includes the chassis, the rotatory winding actuating mechanism of main carousel and drive main carousel, main carousel is provided with a plurality ofly along the circumference with main carousel normal running fit's envelope bobbin, the heart yearn passes main carousel center and transmits from bottom to top, many envelope twines in the heart yearn periphery formation skin when main carousel is rotatory, this kind of structure has certain drawback, because the envelope bobbin has certain volume, the envelope bobbin quantity that main carousel circumference can be arranged is limited, it is limited to lead to twining the envelope root number on same heart yearn, the volume of main carousel can only be enlarged for arranging more envelope bobbin, and then make equipment too bloated.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a stranded compound rope twists round envelope curve wind of rope machine.

In order to achieve the above purpose, the utility model provides a following technical scheme:

a covering wire winding device of a multi-strand core-spun rope twisting machine comprises a chassis and a rope twisting frame arranged above the chassis, wherein the chassis is provided with a plurality of circumferentially and uniformly distributed covering wire drums, the middle parts of the covering wire drums are provided with bobbin mounting shafts used for mounting the covering wire drums, the bobbin mounting shafts are vertically provided with mounting holes in a penetrating manner, and lead needles with yarn core threading holes are arranged in the mounting holes; it has the lead frame of lead wheel to turn round the rope frame to be equipped with a plurality of, the lead frame with a covering line bobbin one-to-one and arrange covering line bobbin top in, the covering line coil is equipped with a plurality of covering line steering levers, covering line steering lever is around bobbin installation axle circumference evenly distributed, and the upper end of every covering line steering lever is rotated and is provided with a steering member, covering line and steering member one-to-one that the covering line bobbin stretches out to every covering line upwards extends the steering member that corresponds and converges to covering line bobbin top and be used for twining yarn core.

The utility model discloses further set up: the steering part comprises a rotating part, the rotating part is arranged on the covered wire steering rod in a rotating mode through a rotating shaft, one end of the rotating part extends upwards to form a steering ring for the covered wire to penetrate through, the other end of the rotating part extends to form a limiting part, and the limiting part is abutted to the covered wire steering rod.

The utility model discloses further set up: the steering part is provided with a threading position driven by the covered wire and a rearwardly drooping vacant position when the covered wire steering rod swings through the rotating shaft, and the rack is provided with a sensor for detecting the steering part located at the vacant position.

The utility model discloses further set up: a resistance adjusting ring is fixedly arranged on the wire wrapping disc, one or more adjusting threaded holes are formed in the resistance adjusting ring, and each adjusting threaded hole is in threaded connection with a magnetic adjusting piece; the covered wire cylinder is provided with a metal convex ring which is arranged in the resistance adjusting ring; one end of the magnetic adjusting piece penetrates through the corresponding adjusting threaded hole to be arranged opposite to the metal convex ring, the other end of the magnetic adjusting piece is provided with a rotating part, and the rotating part can drive the adjusting piece to move in the adjusting threaded hole to adjust the relative distance between the magnetic adjusting piece and the metal convex ring.

The utility model discloses further set up: the metal bulge loop is provided with a mounting seat, the mounting seat is provided with one or more waist-shaped clamping holes, the positions of the covered wire cylinder corresponding to the waist-shaped clamping holes are provided with clamping columns, and the mounting seat is matched with the clamping columns through the waist-shaped clamping holes and is mounted on the covered wire cylinder.

The utility model discloses further set up: each lead frame is provided with a rotating sheet for mounting the lead frame above the covered wire barrel; each rotating piece is hinged to the rope twisting frame and can drive the lead frame to switch between a lead position above the corresponding covered wire drum and a wire changing position; and a locking device for locking the lead frame at the lead position is arranged at one side of each rotating sheet.

The utility model discloses further set up: the locking device comprises a locking plate and a reset spring for driving the locking plate to reset, the locking plate comprises a locking plate main body which is rotatably arranged on the twisted rope frame, the locking plate main body is provided with a wrench part and a locking part matched with a locking opening of the rotating plate, and the wrench part can push the locking main body to rotate so that the locking part and the locking opening are separated to unlock the rotating plate.

The utility model discloses further set up: the rotating sheet is provided with a limiting protruding part which can abut against a locking part of the locking sheet to limit the rotating angle of the rotating sheet.

The utility model discloses further set up: a limiting seat is fixedly arranged on the lead frame; a limiting rod and a limiting elastic piece are arranged on the limiting seat, one end part of the limiting rod is arranged in the limiting sleeve in a sliding mode, the other end part of the limiting rod extends towards the direction of the guide needle, a limiting lantern ring is arranged at a position close to the needle point of the guide needle, and the covered wire of the covered wire barrel is wound on the yarn core through the limiting lantern ring; the limiting elastic piece is sleeved on the limiting rod, one end of the limiting elastic piece is abutted against the limiting seat, and the other end of the limiting elastic piece is abutted against the limiting sleeve ring; the limiting elastic piece pushes the limiting lantern ring on the limiting rod to be arranged at the position close to the needle point of the guide needle.

The utility model discloses further set up: the limiting seat is provided with an adjusting hole for inserting the limiting rod, a limiting notch is formed in the hole wall of the adjusting hole, a push rod arranged on the limiting notch is arranged on the limiting rod, and the push rod can move up and down in the limiting notch and can drive the limiting rod to move up and down in the adjusting hole.

The utility model discloses beneficial effect: all twine many envelope wires on same envelope wire bobbin before the envelope wire winding, each envelope wire of envelope wire bobbin winding draws forth the back outwards from the envelope wire bobbin, and every envelope wire upwards extends to extend the corresponding steering member and converges to envelope wire bobbin top and be used for twining the yarn sinle silk, and when the yarn sinle silk was upwards drawn and the envelope wire dish drove the relative yarn sinle silk of steering member on the envelope wire steering rod rotatory, many envelope wires can evenly twine and form the single rope on the yarn sinle silk, the utility model discloses with many envelope wire polymerization at an envelope wire bobbin, the steering member guide on rethread envelope wire steering rod makes every envelope wire separately draw forth and converge to envelope wire bobbin top and be used for twining the yarn sinle silk and form the single rope, and need not adopt a plurality of envelope wire bobbins to draw forth outwards respectively for equipment structure is compacter, makes the structure simpler, reduces manufacturing cost.

Drawings

Fig. 1 is a schematic structural view of a multi-strand core-spun rope twisting machine of the present invention;

fig. 2 is a schematic structural view of a covered wire winding device of a multi-strand core-spun rope twisting machine of the present invention;

FIG. 3 is a schematic view of the structure of the wire-covered wire drum leading out from the wire-covered disk;

FIG. 4 is a schematic view of the construction of the steering member;

FIG. 5 is a schematic exploded view of the structure of the bobbin;

FIG. 6 is a schematic structural view of a lead frame for abdicating and replacing a wire on a twisted rope frame;

FIG. 7 is a schematic structural view of a single lead frame and a wire-covered bobbin for replacing a wire;

FIG. 8 is a schematic structural view of abdicating and wire changing and core-spun point limiting of a single lead frame;

FIG. 9 is a schematic view of a spacing seat;

fig. 10 is a schematic structural view of a rotating sheet.

Description of reference numerals: 1. a chassis; 2. a rope twisting frame; 3. wrapping a wire coil; 31. a covered wire steering rod; 32. a steering member; 321. a rotating part; 322. a steering ring; 323. a limiting part; 33. a sensor; 34. a resistance adjustment ring; 35. a magnetic adjustment member; 4. a covered wire drum; 41. a metal convex ring; 411. a mounting seat; 5. a bobbin mounting shaft; 51. a through hole; 6. an introducer needle; 7. a lead frame; 71. a wire-leading wheel; 72. a limiting seat; 721. an adjustment hole; 73. a limiting rod; 731. a push rod; 74. a limiting lantern ring; 75. a limiting elastic part; 8. a rotating sheet; 81. locking the opening; 82. a limiting bulge part; 9. a locking device; 91. a locking plate; 911. a lock plate body; 912. a wrench part; 913. a locking portion; 92. a return spring.

Detailed Description

The covering wire winding device of the multi-strand core-spun rope twisting machine of the invention is further described in detail with reference to the attached drawings.

The utility model provides a stranded covering rope twists round package line wind of rope machine, includes chassis 1 and arranges the rope frame 2 of twisting round of 1 top on the chassis in, wherein twists round rope frame 2 and fix in 1 top on the chassis through the bracing piece, chassis 1 is equipped with a plurality of circumference evenly distributed's covering coil 3, and wherein several strands of covering ropes of the quantity of covering coil 3 are twisted together as required and are set for, 3 middle parts of covering coil are provided with bobbin installation axle 5 that is used for installing covering wire bobbin 4, and wherein bobbin installation axle 5 drives rotatoryly through the motor, and this bobbin installation axle 5 can drive covering coil 3 and rotate 1 on the chassis relatively, covering wire bobbin 4 is rotatory on bobbin installation axle 5 under the covering wire pulling.

The bobbin mounting shaft 5 is vertically provided with a mounting hole 51 in a penetrating manner, a thread guiding needle 6 with a thread hole of a yarn core is arranged in the mounting hole 51, and the thread guiding needle 6 guides the yarn core to extend outwards to be wound with a covered thread of the covered bobbin 4; it has lead wire frame 7 of lead wire wheel 71 to turn round rope frame 2 to be equipped with a plurality of, lead wire frame 7 and a covering wire bobbin 4 one-to-one and arrange covering wire bobbin 4 top in, covering wire dish 3 is equipped with a plurality of covering wire steering rod 31, covering wire steering rod 31 centers on bobbin installation axle 5 circumference evenly distributed, and the upper end of every covering wire steering rod 31 is rotated and is provided with a steering member 32, covering wire and steering member 32 one-to-one that covering wire bobbin 4 stretched out to every covering wire upwards extends to pass through corresponding steering member 32 and converge to covering wire bobbin 4 top and be used for twining the yarn sinle silk, when the yarn sinle silk was upwards drawn and covering wire dish 3 drove the relative yarn sinle silk of steering member 32 on the covering wire steering rod 31, many covering wires can evenly twine and form single rope on the yarn sinle silk, the utility model discloses with many covering wires polymerization at a covering wire bobbin 4, the rethread covering wire steering member 32 guide on the covering wire steering rod 31 makes every covering wire separately draw forth and converge to covering wire and to covering wire The upper part of the bobbin 4 is used for winding yarn cores to form a single rope, and a plurality of covered bobbins 4 are not required to be led out respectively, so that the equipment structure is more compact, the structure is simpler, and the manufacturing cost is reduced.

The steering part 32 comprises a rotating part 321, the rotating part 321 is rotatably arranged on the covered wire steering rod 31 through a rotating shaft, the steering part 32 is provided with a threading position driven by a covered wire and a drooping-backward vacant position when the covered wire steering rod 31 swings through the rotating shaft, the rack is provided with a sensor for detecting the steering part 32 located at the vacant position, and the sensor is located on one side of the chassis 1 and is not shown in the figure. A end of the steering piece 32 extends upwards to form a steering ring 322 for the covered wire to pass through, the other end extends to form a limiting part 323, the limiting part 323 supports against the covered wire steering rod 31, the covered wire of the covered wire barrel 4 can pass through the steering ring 322, the steering piece 32 is driven to swing upwards to be in the threading position, the limiting part 323 supports against the covered wire steering rod 31, when the covered wire is broken, the steering ring 322 loses the covered wire to pull and can droop backwards to be in the vacancy position, the sensor can detect the threading ring in the vacancy position at the moment, the covered wire is stopped, and the operator is informed to process the threading ring, so that the automation is improved.

In order to realize the rotation resistance adjustment of the covered wire drum 4 and further realize the winding tightness adjustment of the covered wire on the yarn core, a resistance adjusting ring 34 is fixedly arranged on the covered wire disc 3, wherein the resistance adjusting ring 34 is fixed on the covered wire disc 3 through screws, one or more adjusting threaded holes are formed in the resistance adjusting ring 34, each adjusting threaded hole is in threaded connection with a magnetic adjusting piece 35, each magnetic adjusting piece 35 comprises an adjusting main body and a magnetic block, and a groove for mounting the magnetic block is formed in the adjusting main body, so that the magnetic adjusting piece 35 has certain magnetism; the covered wire bobbin 4 is provided with a metal convex ring 41, and the metal convex ring 41 is arranged in the resistance adjusting ring 34; one end of the magnetic adjusting piece 35 is arranged opposite to the metal convex ring 41 through the corresponding adjusting threaded hole, and the metal convex ring 41 is made of a magnetic metal material, so that the metal convex ring 41 and the magnetic adjusting piece 35 can generate a mutual attraction magnetic force when arranged oppositely, and as long as the metal convex ring 41 and the magnetic adjusting piece 35 can generate a mutual attraction magnetic force when arranged oppositely, the manufacturing materials of the two can be exchanged or adjusted.

Another tip of magnetic adjusting piece 35 is provided with the rotating part, the rotating part is a word or cross recess, is convenient for adopt screwdriver instrument just can drive the rotating part rotatory, the rotating part can drive the adjusting part and move in adjusting the screw hole, adjusts

magnetic adjusting piece

35 and 41 relative distance of metal bulge loop, can change the magnetic force size to realize that the 4 rotary resistance of covered wire section of thick bamboo adjusts, thereby realize that the covered wire twines the tight regulation at the yarn core, wherein the covered wire twines the tightness and is directly proportional with the magnetic force size at the yarn core. Three regulation holes are formed in the resistance regulation ring, and are circumferentially and uniformly distributed on the resistance regulation ring, so that the metal convex ring 41 and the magnetic regulation piece 35 generate mutual attraction magnetic force energy to be uniformly distributed, and the metal convex ring 41 is prevented from being close to one direction to generate offset.

The metal bulge loop 41 is provided with mount pad 411, one or more waist shape card hole has been seted up to mount pad 411, an envelope line section of thick bamboo 4 is equipped with the joint post with the corresponding position department in waist shape card hole, mount pad 411 cooperatees through waist shape card hole and joint post and installs on an envelope line section of thick bamboo 4 to realize that metal bulge loop 41 passes through mount pad 411 and an envelope line section of thick bamboo 4 realization and can dismantle the connection, the later stage of being convenient for is changed.

In order to realize that each lead frame 7 can independently give way and change the wire, each lead frame 7 is provided with a rotating sheet 8 which is arranged above the covered wire barrel 4; each rotating sheet 8 is hinged to the rope twisting frame 2 through a hinge shaft, and the rotating sheets 8 can drive the lead frame 7 to switch between a lead position and a line changing position above the corresponding covered wire barrel 4; and a locking device 9 for locking the lead frame 7 at the lead position is provided on the side of each of the rotating pieces 8. When one lead frame 7 needs to be switched from the lead position to the wire changing position for wire changing, the lead frame 7 can be driven to move from the lead position to the wire changing position for wire changing only by unlocking the corresponding locking device 9 to lock the lead frame 7, and other lead frames 7 which do not need to be switched are not required to be switched from the lead position to the wire changing position, so that independent abdicating and wire changing of each lead frame 7 can be conveniently realized, and the wire changing efficiency is improved.

The locking device 9 comprises a locking piece 91 and a return spring 92 for driving the locking piece 91 to reset, wherein one end of the return spring 92 is fixed on the locking piece 91, the other end of the return spring 92 is fixed on the lead frame 7, the locking piece 91 comprises a locking piece main body 911 rotatably arranged on the rope twisting frame 2, the locking piece main body 911 is provided with a spanner portion 912 and a locking portion 913 matched with a locking opening 81 of the rotating piece 8, the spanner portion 912 can push the locking main body to rotate to drive the return spring 92 to stretch, so that the locking portion 913 is separated from the locking opening 81 to unlock the rotating piece 8, the lead frame 7 is switched from a lead position to a wire changing position to change the wire, when the lead frame returns to the lead position again after the wire changing is completed, the locking portion 913 can be matched with the locking opening 81 of the rotating piece 8 again to lock the lead frame 7 at the lead position again, and the structure is simple and convenient to operate. The rotating piece 8 is provided with a limiting protrusion 82, the limiting protrusion 82 abuts against the locking portion 913 of the locking piece 91 to limit the rotating angle of the rotating piece 8, so that when the wire leading position is switched to the wire changing position, the rotating angle is too large to collide with other components, and a protection effect is achieved.

The rotor 8 is equipped with the lower installation department that stretches out the rope frame 2 of turning round, lead frame 7 is equipped with the installation department on with installation department matched with down, it is provided with one or more waist shape regulation hole to go up the installation department, and wherein the screw passes waist shape regulation hole and the fixed orifices of installation department down and cooperatees, will go up installation department fixed mounting under on the installation department, realize lead frame 7 and install on rotor 8 to can suitably adjust lead frame 7 in rotor 8 position through waist shape regulation hole.

A limiting seat 72 is fixedly arranged on the lead frame 7, and a limiting rod 73 is arranged on the limiting seat 72; the limiting seat 72 is fixed on the lead frame 7 through screws, the limiting seat 72 is provided with an adjusting hole 721 for the limiting rod 73 to be inserted, one end of the limiting rod 73 is arranged in the adjusting hole 721 and can move up and down relative to the limiting seat 72, the other end of the limiting rod 73 extends towards the direction of the guide needle 6, and a limiting sleeve ring 74 is arranged at the position close to the needle point of the guide needle 6, so that when a covered wire of the covered wire cylinder 4 is wound on the yarn core through the limiting sleeve ring 74, a core-covered point can be kept at the position of the needle point of the guide needle 6, the core-covered point cannot move up and down relative to the needle point of the guide needle 6, the winding density of the covered wire on the yarn core is kept consistent, and the stability of the wrapping quality is ensured, wherein a plurality of covered wires extending from the covered wire cylinder can wind the yarn core on the position of the needle point of the guide needle, and the winding position is called as a core-covered point jumping point.

The limiting seat 72 is provided with a limiting elastic member 75, the limiting elastic member 75 pushes the limiting collar 74 on the limiting rod 73 to be arranged at a needle point position close to the guide needle 6, wherein the limiting elastic member 75 can be a compression spring, the limiting elastic member 75 is sleeved on the limiting rod 73, one end of the limiting collar 75 abuts against the limiting seat 72, the other end of the limiting collar 74 abuts against the limiting collar 74, so that the limiting collar 74 can be kept at the needle point position of the guide needle 6 under the action of elastic force, the limiting collar 74 is prevented from moving backwards under the pulling of covered wires to enable the core-spun points to deviate, meanwhile, the limiting elastic member 75 has a buffering effect in the pulling process of the covered wires to the limiting collar 74, and the broken wires can be effectively prevented from occurring in the pulling process of the covered wires.

The hole wall of the adjusting hole 721 is provided with a limiting notch, the limiting rod 73 is provided with a push rod arranged on the limiting notch, the push rod moves up and down in the limiting notch to drive the limiting rod 73 to move up and down in the adjusting hole 721, and when the limiting sleeve ring 74 needs to be moved away from the needle point position of the guide needle 6, the limiting rod 73 can be lifted upwards through the push rod, so that the limiting sleeve is moved away very conveniently.

The limiting sleeve ring 74 is a metal wire, one end of the metal wire is fixed on the limiting rod 73, the other end of the metal wire is spirally bent to form a spiral ring with an opening, when threading is needed, the limiting sleeve is only needed to be close to the covered wire, the covered wire can slide into the spiral ring from the opening, and the threading from bottom to top is not needed to be very convenient.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A covering wire winding device of a multi-strand core-spun rope twisting machine comprises a chassis and a rope twisting frame arranged above the chassis, wherein the chassis is provided with a plurality of circumferentially and uniformly distributed covering wire drums, the middle parts of the covering wire drums are provided with bobbin mounting shafts used for mounting the covering wire drums, the bobbin mounting shafts are vertically provided with mounting holes in a penetrating manner, and lead needles with yarn core threading holes are arranged in the mounting holes; turn round the lead wire frame that the rope frame was equipped with a plurality of and has the lead wire wheel, lead wire frame and a covering thread bobbin one-to-one and arrange covering thread bobbin top in, characterized by: the package drum is equipped with a plurality of package line steering levers, package line steering lever is around bobbin installation axle circumference evenly distributed, and the upper end of every package line steering lever rotates and is provided with a steering member, the envelope that the package line bobbin stretches out and steering member one-to-one to every envelope upwards extends to extend the steering member that corresponds and converge to package line bobbin top and be used for twining the yarn sinle silk.

2. The covering wire winding device of a multi-strand core-spun rope twisting machine as claimed in claim 1, wherein: the steering part comprises a rotating part, the rotating part is arranged on the covered wire steering rod in a rotating mode through a rotating shaft, one end of the rotating part extends upwards to form a steering ring for the covered wire to penetrate through, the other end of the rotating part extends to form a limiting part, and the limiting part is abutted to the covered wire steering rod.

3. The covering wire winding device of a multi-strand core-spun rope twisting machine as claimed in claim 2, wherein: the steering part is provided with a threading position driven by the covered wire and a gap position drooping backwards when the covered wire steering rod swings through the rotating shaft, wherein a sensor for detecting the steering part positioned at the gap position is arranged on the frame.

4. The covering wire winding device of a multi-strand core-spun rope twisting machine as claimed in claim 1, wherein: a resistance adjusting ring is fixedly arranged on the wire wrapping disc, one or more adjusting threaded holes are formed in the resistance adjusting ring, and each adjusting threaded hole is in threaded connection with a magnetic adjusting piece;

the covered wire cylinder is provided with a metal convex ring which is arranged in the resistance adjusting ring;

one end of the magnetic adjusting piece penetrates through the corresponding adjusting threaded hole to be arranged opposite to the metal convex ring, the other end of the magnetic adjusting piece is provided with a rotating part, and the rotating part can drive the adjusting piece to move in the adjusting threaded hole so as to adjust the relative distance between the magnetic adjusting piece and the metal convex ring.

5. The covering winding device of a multi-strand compound rope twisting machine as claimed in claim 4, wherein: the metal bulge loop is provided with a mounting seat, the mounting seat is provided with one or more waist-shaped clamping holes, the positions of the covered wire cylinder corresponding to the waist-shaped clamping holes are provided with clamping columns, and the mounting seat is matched with the clamping columns through the waist-shaped clamping holes and is mounted on the covered wire cylinder.

6. The covering winding device of a multi-strand compound rope twisting machine as claimed in claim 1, wherein: each lead frame is provided with a rotating sheet for mounting the lead frame above the covered wire barrel;

each rotating piece is hinged to the rope twisting frame and can drive the lead frame to switch between a lead position above the corresponding covered wire drum and a wire changing position; and a locking device for locking the lead frame at the lead position is arranged at one side of each rotating sheet.

7. The covering wire winding device of a multi-strand core-spun rope twisting machine as claimed in claim 6, wherein: the locking device comprises a locking piece and a reset spring for driving the locking piece to reset, the locking piece comprises a locking piece main body which is rotatably arranged on the rope twisting frame, the locking piece main body is provided with a spanner portion and a locking portion matched with a locking opening of the rotating piece, and the spanner portion can push the locking main body to rotate so that the locking portion and the locking opening are separated to unlock the rotating piece.

8. The covering wire winding device of a multi-strand core-spun rope twisting machine as claimed in claim 7, wherein: the rotating sheet is provided with a limiting protruding part, and the limiting protruding part can abut against the locking part of the locking plate to limit the rotating angle of the rotating sheet.

9. The covering wire winding device of a multi-strand core-spun rope twisting machine as claimed in claim 1, wherein: a limiting seat is fixedly arranged on the lead frame; a limiting rod and a limiting elastic piece are arranged on the limiting seat, one end part of the limiting rod is arranged in the limiting sleeve in a sliding mode, the other end part of the limiting rod extends towards the direction of the guide needle, a limiting lantern ring is arranged at a position close to the needle point of the guide needle, and the covered wire of the covered wire barrel is wound on the yarn core through the limiting lantern ring;

the limiting elastic piece is sleeved on the limiting rod, one end of the limiting elastic piece is abutted against the limiting seat, and the other end of the limiting elastic piece is abutted against the limiting sleeve ring; the limiting elastic piece pushes the limiting lantern ring on the limiting rod to be arranged at the position close to the needle point of the guide needle.

10. The covering wire winding device of a multi-strand core-spun rope twisting machine as claimed in claim 9, wherein: the limiting seat is provided with an adjusting hole for inserting the limiting rod, a limiting notch is formed in the hole wall of the adjusting hole, a push rod arranged on the limiting notch is arranged on the limiting rod, and the push rod can move up and down in the limiting notch and can drive the limiting rod to move up and down in the adjusting hole.