CN115559143A

CN115559143A - Yarn supply equipment for double-twisting machine

Info

Publication number: CN115559143A
Application number: CN202210165991.3A
Authority: CN
Inventors: 王延生; 张胜军; 王志军; 张国军
Original assignee: Hebi Jingrui Technology Co ltd
Current assignee: Hebi Jingrui Technology Co ltd
Priority date: 2022-02-23
Filing date: 2022-02-23
Publication date: 2023-01-03

Abstract

The invention relates to the technical field of double-twisting machine equipment, in particular to a wire supply device for a double-twisting machine, which comprises a power base and a plurality of wire releasing devices arranged on the power base, wherein the plurality of wire releasing devices are all arranged on the power base and can be driven by a power motor arranged on the power base to continuously rotate in the wire supply process, each wire releasing device comprises a wire releasing seat, a left wire threading cylinder and a right wire threading cylinder, the left wire threading cylinder and the right wire threading cylinder are coaxially arranged and can be respectively and rotatably connected with a left side frame and a right side frame of the power base, a wire releasing part, a tension adjusting part and a plurality of wire winding cylinders are arranged on the wire releasing seat, a wire coil on the wire releasing part is wound by the plurality of wire winding cylinders and then is output from the left wire threading cylinder, and the tension adjusting part is used for adaptively adjusting the tension state of a wire to be outlet according to the wire coil state so as to ensure the stable wire supply of the equipment.

Description

Yarn supply equipment for double-twisting machine

Technical Field

The invention relates to the technical field of double-twisting machine equipment, in particular to wire supply equipment for a double-twisting machine.

Background

The double twister production and processing need be convoluteed the stranded yarn, stable feed unwrapping wire is the important factor that maintains double twister production stability, the unwrapping wire is generally constantly input the yardage roll of a plurality of laps into double twister main part equipment, in order to ensure the quality of steel cable product, the stranded yarn need twist reverse respectively to these lines when inputing in double twister main part equipment, current double twister confession line device needs the cooperation of a plurality of auxiliary assembly just can the above-mentioned purpose of going on the line, production stability is relatively poor, efficiency is difficult to further promote.

Disclosure of Invention

In order to solve the problems, the invention provides a wire supply device for a double twisting machine, which comprises a power base and a plurality of wire releasing devices arranged on the power base, wherein the plurality of wire releasing devices are all arranged on the power base and can be driven by a power motor arranged on the power base to continuously rotate in the wire supply process, each wire releasing device comprises a wire releasing seat, a left wire threading cylinder and a right wire threading cylinder, the left wire threading cylinder and the right wire threading cylinder are coaxially arranged and are respectively and rotatably connected with a left side frame and a right side frame of the power base, a wire releasing part, a tension adjusting part and a plurality of wire winding cylinders are arranged on the wire releasing seat, a wire coil on the wire releasing part is wound by the plurality of wire winding cylinders and then is output from the left wire threading cylinder, and the tension adjusting part is used for adaptively adjusting the tension state of a wire to be output according to the wire coil state so as to ensure the stable wire supply of the device.

The invention provides a wire supply device for a double twisting machine, which comprises a power base and a plurality of wire releasing devices which are all arranged on the power base, wherein each wire releasing device comprises a wire releasing seat, a left wire threading cylinder and a right wire threading cylinder, a wire releasing piece and a tension adjusting piece are arranged on the wire releasing seat, wire winding discs are vertically arranged on the left side and the right side of the wire releasing seat, the two wire winding discs are arranged oppositely, the surfaces of the two wire winding discs are respectively provided with the left wire threading cylinder and the right wire threading cylinder in a penetrating way, the left wire threading cylinder and the right wire threading cylinder are coaxial and are hollow inside, a wire threading groove is arranged on a cylinder body of the two wire winding discs, which is positioned on one side of the wire winding discs away from the wire releasing seat, a wire winding guide wheel is arranged in the wire threading groove, the power machine base comprises a base, a left side frame and a right side frame, the left side frame and the right side frame are opposite to each other and are vertically fixedly arranged on the base, a plurality of mounting ports are formed in the left side frame and the right side frame, the mounting ports in the left side frame and the mounting ports in the right side frame are opposite to each other, a left threading cylinder and a right threading cylinder are respectively arranged in the two mounting ports opposite to each other in a penetrating mode on the left side frame and the right side frame and are connected with the left side frame and the right side frame through bearing pieces respectively, a power motor is installed on the left side frame and is in transmission connection with the left threading cylinders to drive the pay-off devices to rotate.

As a further scheme of the wire feeding equipment for the double twisting machine, the wire threading groove is positioned between the left side frame and the right side frame.

As a further aspect of the yarn feeding apparatus for a two-twist twisting machine according to the present invention, the upper plate surface of the unwinding seat is vertically provided with a plurality of bobbins, the unwinding member is located between the plurality of bobbins, the unwinding member includes a base plate and a limiting roller, the base plate is horizontally disposed on the unwinding seat, the limiting roller is vertically fixed on the base plate, the tension adjusting member includes a movable rod, a first bobbin and a second bobbin, the movable rod is disposed on the unwinding seat, a left end of the movable rod is hinged to the unwinding seat, the first bobbin is fixed at a right end of the movable rod, the first bobbin is perpendicular to the unwinding seat, the first bobbin is provided with a first upper reel and a first lower reel, the unwinding seat is provided with two elastic members, the two elastic members are respectively located at left and right sides of the unwinding member, and are located at the same side of the movable rod, the elastic members located at left side of the unwinding member are connected to the movable rod through a connecting rope wound on a side of the base plate for pulling the right end of the movable rod toward the unwinding seat, the elastic members located at right side of the unwinding seat, the movable rod is hinged to push the right end of the movable rod away from the winding rod, the second bobbin is provided with the second bobbin, and the second bobbin is vertically mounted on the second bobbin.

As a further scheme of the wire supply equipment for the double twisting machine, the elastic part comprises an L-shaped block, a spring and a pull rod, the L-shaped block is fixedly arranged on the pay-off seat, the pull rod is horizontally arranged on the L-shaped block, a stop block is fixedly arranged on a rod body of the pull rod, and the spring is sleeved on the rod body of the pull rod, which is positioned between the stop block and the L-shaped block.

As a further scheme of the wire supply equipment for the double twisting machine, the connecting rope is a chain.

In a further aspect of the yarn feeding apparatus for a two-twisting machine according to the present invention, the wire spool is provided with a wire hole, and a side reel is installed in the wire hole.

As a further scheme of the wire supply equipment for the double twisting machine, a synchronizing wheel is mounted on a shaft body of the left threading cylinder, which is positioned on the left side of the left side frame, adjacent left threading cylinders are connected through a synchronizing belt in a transmission manner, and a power motor is connected with one synchronizing belt through the synchronizing belt in a transmission manner so as to drive a plurality of left threading cylinders to rotate simultaneously.

As a further scheme of the wire supply equipment for the double twisting machine, the left side of the left side frame is fixedly provided with the wire outlet guide cylinder, a plurality of mounting ports on the left side frame are distributed at equal intervals along the circumferential direction by taking the wire outlet guide cylinder as the center, a plurality of wire outlet guide wheels are mounted on the wire outlet guide cylinder, and the number of the wire outlet guide wheels is equal to that of the wire releasing devices.

As a further scheme of the wire supply equipment for the double twisting machine, a plurality of wire outlet guide pieces, wire releasing devices and the like are further mounted on the left side frame, each wire outlet guide piece comprises a support plate, a wire guide wheel and a wire guide ring, the wire guide wheels are mounted on the left side frame through the support plates, the wire guide wheels of the wire outlet guide pieces are respectively located on the left sides of the left threading barrels, and the wire guide rings are fixedly arranged on the support plates and located on one sides, far away from the left threading barrels, of the wire guide wheels.

As a further scheme of the wire supply equipment for the double twisting machine, the support plate is also provided with a detection head.

Compared with the prior art, the invention has the following beneficial effects: the device is used for stably providing the multi-strand wires for the main body equipment of the double twisting machine, and independently rotating and twisting the multi-strand wires in the wire supply process, so that the product quality is improved, the multi-strand wires are not required to be matched with a plurality of auxiliary equipment, the production is convenient to carry out, and the space occupation of a workshop is reduced; pay-off is at the unwrapping wire in-process, three bobbin is walked around in proper order to the line of drawing forth from the line book, then be 8 font at first spool and second spool around rolling up, because first spool is installed on the loop bar, the loop bar is connected with the pedestal through two elastic component, the loop bar is under the effect of two elastic component, its degree of deflection can be according to the surplus line book thickness self-adaptation regulation on the line book, thereby make the lines behind the tension adjusting part handle the state that satisfies tensile tension all the time, thereby guarantee the operation that the double twisting machine can be stable, the stability of double twisting machine production has been guaranteed.

Drawings

FIG. 1 is a schematic perspective view of a thread supplying apparatus; FIG. 2 is a schematic view of the use of the pay-off device; FIG. 3 is a schematic perspective view of the pay-off device; FIG. 4 is a schematic top view of the pay-off device; FIG. 5 is a schematic front view of the power frame; FIG. 6 is a schematic diagram of a left side view of the power frame; fig. 7 is a schematic structural view of the outlet guide;

the labels in the figure are: 1. the automatic wire drawing device comprises a power base, 2, a wire drawing device, 101, a base, 102, a left side frame, 103, a right side frame, 104, a wire drawing guide cylinder, 105, a wire drawing guide wheel, 106, a wire drawing guide piece, 1061, a support plate, 1062, a wire guide wheel, 1063, a wire coil, 201, a wire drawing seat, 202, a left wire drawing cylinder, 203, a right wire drawing cylinder, 204, an unwinding piece, 205, a tension adjusting piece, 2051, a movable rod, 2052, a first winding shaft, 2053, a second winding shaft, 206, a winding disc, 207, a wire drawing guide wheel, 208, a winding cylinder, 209, an elastic piece, 2091, an L-shaped block, 2092, a spring, 2093, a pull rod, 210 and a connecting rope.

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.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention. Furthermore, the terms "first", "second" and "first" 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" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless explicitly specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., 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 are not necessarily intended to 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. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

As shown in fig. 1-7: a yarn supply device for a double twisting machine comprises a power base 1 and a plurality of yarn releasing devices 2, wherein the plurality of yarn releasing devices 2 are all arranged on the power base 1, each yarn releasing device 2 comprises a yarn releasing seat 201, a left threading cylinder 202 and a right threading cylinder 203, the yarn releasing seat 201 is a rectangular seat body with a horizontal upper surface, the left side and the right side of the rectangular seat body are respectively and vertically provided with a wire spool 206, the wire spools 206 are circular disks, the two wire spools 206 are oppositely arranged, wire winding holes are respectively arranged on the two wire spools 206, the two wire winding holes are oppositely arranged, side wire reels are respectively arranged in the two wire winding holes, the left threading cylinder 202 is arranged on the wire spool 206 on the left side of the yarn releasing seat 201 in a penetrating way, a right side threading section of thick bamboo 203 wears to establish on the wire reel 206 on unwrapping wire seat 201 right side, a left side threading section of thick bamboo 202 and a right side threading section of thick bamboo 203 are coaxial, the two is the cavity of equal inside, a left side threading section of thick bamboo 202 and a right side threading section of thick bamboo 203 are located wire reel 206 and keep away from the barrel of unwrapping wire seat 201 one side and have seted up the threading groove, the threading groove on a left side threading section of thick bamboo 202 is located left side wire reel 206, the threading groove on a right side threading section of thick bamboo 203 is located the right side of right side wire reel 206, wire winding guide wheel 207 is all installed to the threading inslot, wire winding guide wheel 207's shaft is parallel with the last face of unwrapping wire seat 201.

The paying-off seat 201 is vertically provided with a plurality of bobbins 208, the number of the bobbins 208 is three, the bobbins 208 are respectively positioned at the left front side, the left rear side and the right rear side corner positions of the paying-off seat 201, the paying-off seat 201 is further provided with a paying-off piece 204 and a tension adjusting piece 205, the paying-off piece 204 is positioned between the bobbins 208, preferably, the paying-off piece 204 is positioned in the middle of the upper surface of the paying-off seat 201, the chassis is rotatably and horizontally arranged on the paying-off seat 201 through a slewing bearing, a limiting roller is vertically and fixedly arranged on the chassis, the coil is arranged on the chassis and penetrates through the limiting roller, and the paying-off operation of the coil can be realized. The pay-off seat 201 is further provided with a tension adjusting piece 205, the tension adjusting piece 205 is used for adjusting the tension degree of a wire coiling line, the tension adjusting piece 205 comprises a movable rod 2051, a first winding shaft 2052 and a second winding shaft 2053, the movable rod 2051 is horizontally arranged on the pay-off seat 201, the left end of the movable rod is connected with the pay-off seat 201, the cross point of the upper surface of the cross rod of the pay-off seat 201 can be turned over and adjusted, the first winding shaft 2052 is fixedly arranged at the right end of the movable rod 2051, the first winding shaft 2052 is perpendicular to the upper surface of the pay-off seat 201, the first winding shaft 2052 is provided with a first upper winding wheel and a first lower winding wheel, the second winding shaft 2053 is vertically fixedly arranged on the pay-off seat 201, the second winding shaft 2053 is positioned at the right side of the pay-off piece 204, the movable rod 2051 can drive the first winding shaft 2052 to approach or keep away from the second winding shaft 2053 by turning around the left end of the movable rod 2051, and the second winding wheel are arranged on the second shaft 2053.

Be provided with two elastic component 209 on the seat 201 of paying out, two elastic component 209 are located the left and right sides of unreeling piece 204 respectively, seat 201 and two elastic component 209 all are located the same one side position of bull stick 2051, the elastic component 209 that is located the left side of unreeling piece 204 is connected with the bull stick 2051 through the connection rope 210 of establishing in the chassis side, this elastic component 209 is used for pulling the right-hand member of bull stick 2051 to unreeling piece 204, the elastic component 209 that is located the right side of unreeling piece 204 is articulated with bull stick 2051, this elastic component 209 is used for pushing away the right-hand member of bull stick 2051 and unreels piece 204. Specifically, elastic component 209 includes L-shaped piece 2091, spring 2092 and pull rod 2093, L-shaped piece 2091 sets firmly on unwrapping wire seat 201, L-shaped piece 2091 includes mutually perpendicular's horizontal bar and indulges the piece, L-shaped piece 2091's horizontal bar part and unwrapping wire seat 201 rigid coupling, it indulges a piece part and is perpendicular with unwrapping wire seat 201, pull rod 2093 horizontal installation is on L-shaped piece 2091, its body of rod activity is worn to establish in the trompil of seting up on indulging the piece, the dog has set firmly on pull rod 2093's the body of rod, the cover is equipped with spring 2092 on the body of rod that pull rod 2093 is located between dog and L-shaped piece 2091. The stop is located at the end of the pull rod 2093, the end of the pull rod 2093 located at the left side of the unwinding member 204, which is not provided with the stop, is connected to the connecting rope 210, and the end of the pull rod 2093 located at the right side of the unwinding member 204, which is provided with the stop, is hinged to the movable rod 2051, and the connecting rope 210 may be a chain in some embodiments for the purpose of improving the stability of the device.

The power machine base 1 comprises a base 101, a left side frame 102 and a right side frame 103, wherein the left side frame 102 and the right side frame 103 are arranged just opposite to each other and are vertically and fixedly arranged on the base 101, a plurality of mounting ports are formed in the left side frame 102 and the right side frame 103, the mounting ports in the left side frame 102 are just opposite to the mounting ports in the right side frame 103, the pay-off devices 2 are positioned on the left side frame 102 and the right side frame 103, a left threading cylinder 202 and a right threading cylinder 203 of the pay-off machine base are respectively arranged in the mounting ports in the left side frame 102 and the right side frame 103 in a penetrating manner, the left threading cylinder 202 is movably connected with the left side frame 102 through a bearing piece, the right threading cylinder 203 is movably connected with the right side frame 103 through a bearing piece, a power motor is arranged on the left side frame 102, and the power motor is in transmission connection with the left threading cylinders 202 to drive the pay-off devices 2 to rotate.

A synchronizing wheel is installed on a shaft body of the left threading cylinder 202, which is located on the left side of the left side frame 102, adjacent left threading cylinders 202 are connected through synchronous belt transmission, and a power motor is connected with one synchronous belt transmission through a synchronous belt to drive the left threading cylinders 202 to rotate simultaneously, so that the plurality of paying-off devices 2 are driven to rotate in the paying-off process. An outgoing line guide cylinder 104 is fixedly arranged on the left side of the left side frame 102, the outgoing line guide cylinder 104 is a hollow cylinder with a closed left end, a plurality of mounting ports on the left side frame 102 are distributed at equal intervals along the circumferential direction by taking the outgoing line guide cylinder 104 as the center, a plurality of outgoing line guide wheels 105 are mounted on the outgoing line guide cylinder 104, and the number of the outgoing line guide wheels 105 is equal to that of the pay-off devices 2. Preferably, an opening is formed in the wall of the outgoing line guide cylinder 104, and the power motor is installed inside the outgoing line guide cylinder 104. A driving wheel is arranged on the side wall of the left side frame 102 and inside the outgoing line guide cylinder 104, the driving wheel is in transmission connection with one or two synchronous wheels on the left threading cylinder 202 through a synchronous belt, a power motor drives the driving wheel to rotate so as to drive the outgoing line devices to rotate, and the power motor is a servo motor or a speed reducing motor. In some embodiments, in order to improve the stability of the system, a synchronizing wheel is also installed on the right threading cylinders 203, and the adjacent right threading cylinders 203 are connected through a synchronous belt drive.

The left side frame 102 is further provided with a plurality of outgoing line guide parts 106, the outgoing line guide parts 106 and the pay-off devices 2 are equal in number, the outgoing line guide parts 106 comprise support plates 1061, guide lines 1062 and guide lines 1063, the guide lines 1062 are mounted on the left side frame 102 through the support plates 1061, the guide lines 1062 of the outgoing line guide parts 106 are respectively located on the left sides of the left threading cylinders 202, the guide lines 1063 are fixedly arranged on the support plates 1061 and located on one sides, far away from the left threading cylinder 202, of the guide lines 1062, and detection heads are further mounted on the support plates 1061 and used for detecting whether the lines pass through between the guide lines 1062 and the left ends of the left threading cylinders 202.

Still install a plurality of tensioning pieces that are used for adjusting hold-in range tensioning degree on left side frame 102, tensioning piece includes mounting panel and take-up pulley, has seted up the bar groove on the face of mounting panel, and the mounting panel passes through the bolt and installs on left side frame 102, and the take-up pulley is installed on the mounting panel, and the take-up pulley is located the one end in bar groove and its shaft is perpendicular with the mounting panel, through adjusting the position of mounting panel on left side frame 102 along mounting groove length direction, can drive the take-up pulley and be close to or keep away from the hold-in range to adjust the tensioning degree of hold-in range.

In this embodiment, the number of the pay-off devices 2 is preferably 7, the number of the mounting openings on the left side frame 102 and the right side frame 103 is 7, and the number of the outgoing line guide 106 on the left side frame 102 and the number of the outgoing line guide wheels 105 on the outgoing line guide barrel 104 are 7. In the using process of the pay-off devices 2, the power motor can drive the 7 pay-off devices 2 to rotate. The wire coil is arranged on the unwinding member 204, the wire on the wire coil sequentially bypasses the right rear side bobbin 208, the left rear side bobbin 208 and the left front side bobbin 208, then bypasses the first lower reel, the second lower reel, the first upper reel and the second upper reel, penetrates into the right threading bobbin 203 from the left end of the right threading bobbin 203, bypasses the winding guide wheel 207 in the threading groove of the right threading bobbin 203, passes through the side reel on the right side bobbin 206, then penetrates into the left threading bobbin 202 from the winding guide wheel 207 on the left threading bobbin 202 after passing through the winding guide wheel on the left side bobbin 206, finally extends out from the left end of the left threading bobbin 202, the wire transmitted out from the left threading bobbin 202 is guided by the wire guide wheel 1062 on the wire outlet guide 106 and then penetrates into the coil after passing through the corresponding wire outlet guide wheel 105 on the wire outlet guide drum 104, and penetrates into the double twister main body equipment together with other six strands for processing, in the process, the multi-wire unwinding device 2 continuously enables the multi-strand to enter the double twister main body for processing, and the quality of the final double twisting steel rope is improved.

Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The utility model provides a two twisting machines are with supplying line equipment which characterized in that: the device comprises a power base (1) and a plurality of pay-off devices (2) which are all arranged on the power base (1), wherein each pay-off device (2) comprises a pay-off seat (201), a left threading cylinder (202) and a right threading cylinder (203), a unreeling part (204) and a tension adjusting part (205) are arranged on each pay-off seat (201), wire reels (206) are vertically arranged on the left side and the right side of each pay-off seat, the two wire reels (206) are arranged right oppositely, a left threading cylinder (202) and a right threading cylinder (203) are respectively arranged on the surfaces of the left threading cylinder (202) and the right threading cylinder (203) in a penetrating way and are hollow, and a threading groove is formed in a cylinder body of each of the left threading cylinder (202) and the right threading cylinder (203) which is positioned on one side of the wire reel (206) far away from the pay-off seat (201), a winding guide wheel (207) is installed in the threading groove, the power machine base (1) comprises a base (101), a left side frame (102) and a right side frame (103), the left side frame (102) and the right side frame (103) are arranged just right and are vertically and fixedly arranged on the base (101), a plurality of mounting openings are formed in the left side frame (102) and the right side frame (103), a plurality of mounting openings in the left side frame (102) and a plurality of mounting openings in the right side frame (103) are just right respectively, a left threading cylinder (202) and a right threading cylinder (203) are respectively arranged in two mutually-right mounting openings in the left side frame (102) and the right side frame (103) in a penetrating way, and are respectively connected with the left side frame (102) and the right side frame (103) through bearing parts, a power motor is installed on the left side frame (102), and the power motor is in transmission connection with the left threading cylinders (202) to drive the pay-off devices (2) to rotate.

2. A yarn feeding apparatus for a two-for-one twister according to claim 1, wherein: the threading groove is positioned between the left side frame (102) and the right side frame (103).

3. A yarn feeding apparatus for a two-for-one twister according to claim 1, wherein: the upper plate surface of the pay-off seat (201) is vertically provided with a plurality of bobbins (208), the unreeling part (204) is positioned between the plurality of bobbins (208), the unreeling part (204) comprises a chassis and a limiting roller, the chassis is horizontally arranged on the pay-off seat (201), the limiting roller is vertically and fixedly arranged on the chassis, the tension adjusting part (205) comprises a movable rod (2051), a first winding shaft (2052) and a second winding shaft (2053), the movable rod (2051) is arranged on the pay-off seat (201), the left end of the movable rod is hinged with the pay-off seat (201), the first winding shaft (2052) is fixedly arranged at the right end of the movable rod (2051), the first winding shaft (2052) is perpendicular to the pay-off seat (201), a first upper winding wheel and a first lower winding wheel are arranged on the first winding shaft (2052), two elastic parts (209) are arranged on the pay-off seat (201), the two elastic parts (209) are respectively positioned at the left side and the right side of the unreeling part (204), the movable rod (2051) is positioned on the same side of the reel (2051) and connected with the right end of the movable rod (2051) through the movable rod (2051), and the reel (209), the second spool (2053) is vertically fixed on the pay-off seat (201), and the second spool (2053) is provided with a second upper reel and a second lower reel.

4. A yarn feeding apparatus for a two-for-one twister according to claim 3, wherein: elastic component (209) include L shape piece (2091), spring (2092) and pull rod (2093), and L shape piece (2091) sets firmly on unwrapping wire seat (201), and pull rod (2093) horizontal installation is on L shape piece (2091), has set firmly the dog on its body of rod, and pull rod (2093) are located the cover and are equipped with spring (2092) on the body of rod between dog and L shape piece (2091).

5. A yarn feeding apparatus for a two-twisting machine according to claim 4, wherein: the connecting rope (210) is a chain.

6. A yarn feeding apparatus for a two-for-one twister according to claim 4, wherein: the wire spool (206) is provided with a wire hole, and a side wire reel is arranged in the wire hole.

7. A yarn feeding apparatus for a two-for-one twister according to claim 1, wherein: a synchronizing wheel is installed on a shaft body of the left threading cylinder (202) located on the left side of the left side frame (102), adjacent left threading cylinders (202) are connected through synchronous belt transmission, and a power motor is connected with one synchronous belt transmission through a synchronous belt to drive the left threading cylinders (202) to rotate simultaneously.

8. A yarn feeding apparatus for a two-for-one twister according to claim 7, wherein: the wire outgoing guide drum is characterized in that a wire outgoing guide drum (104) is fixedly arranged on the left side of the left side frame (102), a plurality of mounting ports in the left side frame (102) are distributed at equal intervals in the circumferential direction by taking the wire outgoing guide drum (104) as the center, a plurality of wire outgoing guide wheels (105) are mounted on the wire outgoing guide drum (104), and the number of the wire outgoing guide wheels (105) is equal to that of the wire paying-off devices (2).

9. A yarn feeding apparatus for a two-for-one twister according to claim 8, wherein: the left side frame (102) is further provided with a plurality of outgoing line guide pieces (106), the outgoing line guide pieces (106) and the paying-off devices (2) are equal in number, the outgoing line guide pieces (106) comprise support plates (1061), guide lines (1062) and guide lines (1063), the guide lines (1062) are mounted on the left side frame (102) through the support plates (1061), the guide lines (1062) of the outgoing line guide pieces (106) are located on the left sides of the left threading cylinders (202) respectively, and the guide lines (1063) are fixedly arranged on the support plates (1061) and located on one sides, far away from the left threading cylinders (202), of the guide lines (1062).

10. A yarn feeding apparatus for a two-for-one twister according to claim 9, wherein: the support plate (1061) is also provided with a detection head.