CN217324734U

CN217324734U - Double twisting machine is with supplying line equipment

Info

Publication number: CN217324734U
Application number: CN202220367218.0U
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: 2022-08-30
Anticipated expiration: 2032-02-23

Abstract

The utility model relates to a two twisters equipment technical field, concretely relates to two twisters are with supplying line equipment, include the power frame and install a plurality of pay-off on the power frame, a plurality of pay-off all install on the power frame, and can supply the line in-process by installing the continuous rotation of motor power drive on the power frame, pay-off includes the unwrapping wire seat, a left side threading section of thick bamboo and right threading section of thick bamboo, a left side threading section of thick bamboo and the coaxial setting of right threading section of thick bamboo, and respectively with the left side bearer and the right side frame swivelling joint of power frame, install on the unwrapping wire seat and unreel the piece, tension adjusting part and a plurality of bobbins, the coil of wire on unreeling the piece is exported from a left threading section of thick bamboo through a plurality of bobbins after-winding, tension adjusting part is used for adjusting the tension state of being qualified for the next round of competitions according to the coil of wire state self-adaptation, ensure that equipment supplies the line to stabilize.

Description

Yarn supply equipment for double-twisting machine

Technical Field

The utility model relates to a two machine technical field that twist with fingers, concretely relates to two machine that twists with fingers supply line equipment.

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.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a two twisting machines are with supplying line equipment, include the power frame and install a plurality of pay-off on the power frame, a plurality of pay-off are all installed on the power frame, and can be constantly rotatory by the driving of the motor power who installs on the power frame at the line supply in-process, pay-off includes the wire barrow, a left side threading section of thick bamboo and a right side threading section of thick bamboo, a left side threading section of thick bamboo and the coaxial setting of right side threading section of thick bamboo, and respectively with the left side bearer and the right side frame swivelling joint of power frame, install the piece of unreeling on the wire barrow, tension adjusting part and a plurality of bobbins, the coil of wire on the piece of unreeling is around to the back through a plurality of bobbins and is exported from a left threading section of thick bamboo, tension adjusting part is used for adjusting the tension state of being qualified for the next round of competitions according to the coil of wire state, ensure that equipment supplies the line to be stable.

The utility model provides a solve the above problem provide is a double twisting frame is with supplying line equipment, including power frame and all install a plurality of pay-off on the power frame, pay-off includes unwrapping wire seat, a left side threading section of thick bamboo and a right side threading section of thick bamboo, installs unreeling piece and tension adjusting piece on the unwrapping wire seat, and its left and right sides is along all vertically being provided with the wire reel, and two wire reels are just to setting up, and wear to be equipped with a left side threading section of thick bamboo and a right side threading section of thick bamboo respectively on the face of the two, and a left side threading section of thick bamboo and a right threading section of thick bamboo are coaxial and both inside cavity, and both are equipped with the threading groove on the barrel of the one side of the two spool keeping away from the unwrapping wire seat, and install the wire winding guide pulley in the threading groove, power frame includes base, left side bearer and right side bearer, and left side bearer are just setting up and all vertical setting on the base, all have seted up a plurality of installing ports on left side bearer and right side bearer, and a plurality of installing ports on the left side bearer are just right side bearer respectively, the left threading cylinder and the right threading cylinder are respectively arranged in two opposite mounting ports on the left side frame and the right side frame in a penetrating way and are respectively connected with the left side frame and the right side frame through bearing pieces, and the power motor is arranged on the left side frame and is in transmission connection with the left threading cylinders so as to drive the plurality of pay-off devices to rotate.

As a further proposal of the wire supply device for the double twisting machine, the threading groove is positioned between the left side frame and the right side frame.

As a further proposal of the wire supply device for the double twisting machine of the utility model, a plurality of bobbins are vertically arranged on the upper surface of the pay-off seat, the unreeling part is arranged among the bobbins, the unreeling part comprises a chassis and a limit roller, the chassis is horizontally arranged on the pay-off seat, the limit roller is vertically and fixedly arranged on the chassis, the tension adjusting part comprises a movable rod, a first winding shaft and a second winding shaft, the movable rod is arranged on the pay-off seat, the left end of the movable rod is hinged with the pay-off seat, the first winding shaft is fixedly arranged at the right end of the movable rod, the first winding shaft is vertical to the pay-off seat, a first upper winding wheel and a first lower winding wheel are arranged on the first winding shaft, two elastic parts are arranged on the pay-off seat, the two elastic parts are respectively arranged at the left side and the right side of the unreeling part, and the three are arranged at the same side of the movable rod, the elastic part at the left side of the unreeling part is connected with the movable rod through a connecting rope wound on the side of the chassis, in order to be used for pulling the right-hand member with the loop bar to unreeling the piece, be located to unreel the elastic component on piece right side and be used for pushing away the right-hand member of loop bar with the loop bar is articulated from unreeling the piece, the second spool sets firmly perpendicularly on the unwrapping wire seat, and reel and second under reel on the second spool is installed to the second.

As a further scheme of two twisting machines confession line equipment, the elastic component includes L-shaped piece, spring and pull rod, and the L-shaped piece sets firmly on the unwrapping wire seat, and pull rod horizontal installation has set firmly the dog on the L-shaped piece on its body of rod, and the cover is equipped with the spring on the body of rod that the pull rod is located between dog and the L-shaped piece.

As a further solution of the yarn feeding device for the double twisting machine, the connecting rope is a chain.

As the utility model relates to a double twisting machine is with further scheme of supplying line equipment, the wire guide has been seted up on the wire reel, installs the side reel in the wire guide.

As a further scheme of two twisting with fingers machine confession line equipment, left side threading section of thick bamboo is located and installs the synchronizing wheel on the left axis body of left side bearer, connects through synchronous belt drive between the adjacent left side threading section of thick bamboo, and power motor passes through the hold-in range and is connected with a synchronous belt drive to drive a plurality of left threading section of thick bamboos simultaneously rotatory.

As the utility model relates to a double twisting frame is with further scheme of supplying line equipment, the left side of left side frame has set firmly the guide cylinder of being qualified for the next round of competitions, and a plurality of installing ports on the frame of left side use the guide cylinder of being qualified for the next round of competitions to install a plurality of guide pulleys of being qualified for the next round of competitions as the equidistant distribution of center along the circumferencial direction on the guide cylinder of being qualified for the next round of competitions, and the guide pulley of being qualified for the next round of competitions equals with pay-off quantity.

As a further scheme of two twisting machines supply line equipment, still install a plurality of guiding pieces of being qualified for the next round of competitions on the left side frame, the guiding piece of being qualified for the next round of competitions is quantity such as pay-off, and the guiding piece of being qualified for the next round of competitions includes extension board, wire wheel and wire coil, and the wire wheel passes through the extension board to be installed on the left side frame, and a plurality of wire wheels of being qualified for the next round of competitions are located a plurality of left threading section of thick bamboos' left side respectively, and the wire coil sets firmly on the extension board and is located the wire wheel and keeps away from one side of a left threading section of thick bamboo.

As a further proposal of the wire supply device for the double twisting machine, the extension plate is further provided with a detection head.

Compared with the prior art, the utility model discloses the beneficial effect who has: 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 view of the left side of the power frame; fig. 7 is a schematic structural view of the outgoing line 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 described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "center", "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, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present 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 of the feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless expressly specified otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, 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 meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "above," and "over" a second feature may be directly on or obliquely above the second feature, or simply mean 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 yarn releasing seat 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 formed in the two wire spools 206, the two wire winding holes are oppositely provided with side wire reels, 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, the right threading cylinder 203 is arranged on the wire spool 206 on the right side of the yarn releasing seat 201 in a penetrating way, the left threading cylinder 202 and the right threading cylinder 203 are coaxial, the left threading cylinder and the right threading cylinder 203 are both hollow, the left threading cylinder 202 and the right threading cylinder are arranged on a cylinder body on one side, which is far away from the yarn releasing seat 201, and is arranged on the wire spool 206, the threading groove on the left threading cylinder 202 is positioned on the left side of the left wire spool 206, the threading groove on the right threading cylinder 203 is positioned on the right side of the right wire spool 206, the threading grooves are all provided with a winding guide wheel 207, and the wheel shaft of the winding guide wheel 207 is parallel to the upper plate surface of the pay-off 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 part 205, the tension adjusting part 205 is used for adjusting the tension degree of a wire wound out of the wire, the tension adjusting part 205 comprises a movable rod 2051, a first wire winding shaft 2052 and a second wire 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 connected for turning adjustment, the first wire winding shaft 2052 is fixedly arranged at the right end of the movable rod 2051, the first wire winding shaft 2052 is perpendicular to the upper surface of the pay-off seat 201, the first wire winding shaft 2052 is provided with a first upper wire winding wheel and a first lower wire winding wheel, the second wire winding shaft 2053 is vertically fixedly arranged on the pay-off seat 201, the second wire winding shaft 2053 is positioned at the right side of the pay-off part 204, the movable rod 2051 can drive the first wire winding shaft 2052 to approach or keep away from the second wire winding shaft 2053 by turning around the left end of the movable rod, and the second wire winding shaft 2053 is provided with a second upper wire winding wheel and a second lower wire winding wheel.

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, and L-shaped piece 2091 sets firmly on unwrapping wire seat 201, and L-shaped piece 2091 includes mutually perpendicular's horizontal bar and indulges the piece, and L-shaped piece 2091's horizontal bar part and unwrapping wire seat 201 rigid coupling, and it is vertical with unwrapping wire seat 201 to indulge a piece part, and pull rod 2093 horizontal installation is on L-shaped piece 2091, and the trompil of seting up is worn to establish in the activity of its body of rod on indulging the piece is equipped with the dog on pull rod 2093's the body of rod, and 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 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 oppositely and 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 respectively, the mounting ports in the left side frame 102 are opposite to the mounting ports in the right side frame 103 respectively, the pay-off devices 2 are located 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 power base are arranged in the mounting ports in the left side frame 102 and the right side frame 103 in a penetrating mode respectively, 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 installed on the left side frame 102 and is in transmission connection with the left threading cylinders 202 to drive the plurality of 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 bobbin, the second lower bobbin, the first upper bobbin and the second upper bobbin, 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 slot of the right threading bobbin 203, passes through the side bobbin on the right side bobbin 206, then penetrates through the bobbin on the left side bobbin 206, penetrates into the left threading bobbin 202 from the winding guide wheel 207 on the left threading bobbin 202, finally extends out from the left end of the left threading bobbin 202, the wire transmitted 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, then bypasses the corresponding wire outlet guide wheel 105 on the wire outlet guide 104, and penetrates into the double twister main body equipment together with other six strands for processing, in the process, the pay-off device 2 continuously rotates, so that the multi-strand wires are subjected to pre-twisting treatment before entering the main body of the double-twisting machine for processing, and the quality of a final steel rope product is improved.

The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above embodiments, and although the present invention has been disclosed with the preferred embodiments, it is not limited to the present invention, and any skilled person in the art can make some modifications or equivalent changes without departing from the technical scope of the present invention.

Claims

1. The utility model provides a two twisting machines are with supplying line equipment which characterized in that: the power machine base comprises a power machine base (1) and a plurality of wire releasing devices (2) which are all installed on the power machine base (1), each wire releasing device (2) comprises a wire releasing base (201), a left wire threading barrel (202) and a right wire threading barrel (203), each wire releasing base (201) is provided with a wire releasing piece (204) and a tension adjusting piece (205), the left side and the right side of each wire releasing base are vertically provided with wire reels (206), the two wire reels (206) are arranged right oppositely, the surfaces of the two wire threading barrels (202) and the right wire threading barrels (203) are respectively penetrated through, the left wire threading barrel (202) and the right wire threading barrel (203) are coaxial and are hollow inside, the two wire threading grooves are formed in barrel bodies which are positioned on one side of the wire reels (206) far away from the wire releasing base (201), wire winding guide wheels (207) are installed in the wire threading grooves, 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 right side frame (101) and are vertically and are 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 opposite to the mounting ports in the right side frame (103) respectively, a left threading cylinder (202) and a right threading cylinder (203) are arranged in the two mounting ports which are opposite to each other in the left side frame (102) and the right side frame (103) in a penetrating mode respectively and are connected with the left side frame (102) and the right side frame (103) through bearing pieces respectively, 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) and is used for driving the paying-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 paying-off device is characterized in that a plurality of bobbins (208) are vertically installed on the upper plate surface of the paying-off seat (201), the paying-off part (204) is located between the bobbins (208), the paying-off part (204) comprises a chassis and a limiting roller, the chassis is horizontally arranged on the paying-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 paying-off seat (201), the left end of the movable rod is hinged with the paying-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 paying-off seat (201), a first upper winding wheel and a first lower winding wheel are installed on the first winding shaft (2052), two elastic parts (209) are arranged on the paying-off seat (201), and the two elastic parts (209) are respectively located on the left side and the right side of the paying-off part (204), and the three are all located the same side of bull stick (2051), lie in and unreel the left elastic component (209) of piece (204) and be connected with bull stick (2051) through connecting rope (210) around establishing in the chassis side, in order to be used for unreeling the right-hand member of bull stick (2051) to drawing (204), elastic component (209) that lie in and unreel piece (204) right side are articulated with bull stick (2051) and are used for pushing away the right-hand member of bull stick (2051) and unreel piece (204), second spool (2053) sets firmly on unwrapping wire seat (201) perpendicularly, installs reel under reel on the second on second spool (2053) on the second.

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-for-one twister 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: an outgoing line guide cylinder (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 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).

9. A yarn feeding apparatus for a two-twisting machine 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 line wheels (1062) and guide coils (1063), the guide line wheels (1062) are installed on the left side frame (102) through the support plates (1061), the guide line wheels (1062) of the outgoing line guide pieces (106) are located on the left sides of the left threading cylinders (202) respectively, and the guide coils (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 line wheels (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.