CN220887899U

CN220887899U - Yarn feeding nozzle of large circular knitting machine

Info

Publication number: CN220887899U
Application number: CN202322375265.7U
Authority: CN
Inventors: 顾建钢; 张盈盈; 顾效宇
Original assignee: Fujian Guhong New Material Technology Co ltd
Current assignee: Fujian Guhong New Material Technology Co ltd
Priority date: 2023-09-01
Filing date: 2023-09-01
Publication date: 2024-05-03
Anticipated expiration: 2033-09-01

Abstract

The utility model relates to a yarn feeding nozzle of a circular knitting machine, which comprises a mounting seat and a yarn guide rod arranged on the mounting seat, wherein a strip-shaped hole extending along the warp direction of the circular knitting machine is formed in the top of the mounting seat; thereby drive flexible cylinder lets the yarn guide bar remove in the bar hole, through two mounting holes and central connecting hole and angle locating hole bolted connection, can adjust the transportation inclination of yarn guide bar and bar hole length direction.

Description

Yarn feeding nozzle of large circular knitting machine

Technical Field

The utility model relates to a yarn feeding nozzle, in particular to a yarn feeding nozzle of a circular knitting machine.

Background

The circular knitting machine is a knitting machine used in the spinning process, and the yarn feeding nozzle is arranged above the needle cylinder of the circular knitting machine and is used for guiding yarns to enter the structure of the knitting needles on the needle cylinder, so that the yarn feeding nozzle mainly plays a role in guiding the yarn input direction.

Screw holes matched with bolts on yarn feeding nozzles are formed in yarn feeding frames of the existing large circular knitting machine, the yarn feeding nozzles are fixedly connected with the screw holes through the bolts and are mounted on the yarn feeding frames, different yarns, knitting needle shape structures and knitting requirements are different in requirements on yarn input height and horizontal dip angle, the distance between yarn holes on the yarn feeding nozzles relative to a needle dial rotating shaft cannot be adjusted, and the conveying gradient of yarns between the yarn holes and corresponding knitting needles cannot be adjusted according to technological requirements, so that knitting quality is affected.

Disclosure of Invention

Aiming at the defects of the problems, the utility model provides a yarn feeding nozzle of a circular knitting machine.

The utility model realizes the above purpose through the following technical scheme: the utility model provides a big circular knitting machine yarn feeding mouth, is in including mount pad and setting guide bar on the mount pad, the connecting hole that is used for with big circular knitting machine yarn feeding frame fixed connection usefulness is seted up to mount pad top rear side, bar hole along big circular knitting machine warp direction extension is seted up at the mount pad top, guide bar runs through bar hole and with bar hole sliding connection, the guide bar has been seted up in the part that the guide bar is located bar hole below, be provided with the first setting element that is used for positioning guide bar in bar hole length direction upper position between guide bar and the mount pad, first setting element includes fixed block, slider, connecting rod, telescopic cylinder and vertical face, the connecting rod is parallel with bar hole length direction and is located the bar hole, telescopic cylinder installs on the bar hole rear side inner wall, connecting rod one end with the telescopic cylinder is connected, the connecting rod other end with bar hole sliding connection, the slider sets up the left and right sides of fixed block, the inside left and right sides of guide bar hole is provided with the slider is equipped with corresponding with bar hole length direction position, the connecting hole is seted up with two corresponding guide bar center hole and the center hole, the center hole has been seted up through the angle around two fixed connection center hole, the center hole has been seted up.

Preferably, the vertical surface comprises a base and a fan surface, the fan surface and the base form an L-shaped structure, and the top end of the base is fixedly connected with the bottom end of the fixed block.

Preferably, the plurality of angle positioning holes are arranged on the fan-shaped surface at equal intervals on the circular arcs with the center connecting hole as a circle center, so that a fan-shaped distribution structure with the center connecting hole as a base point is formed.

Preferably, the mounting seat comprises a main board and a mounting plate, the connecting hole is formed in the main board, the strip-shaped holes are formed in the mounting plate, two plugging holes along the length direction of the strip-shaped holes are formed in the left side and the right side of the rear side wall of the mounting plate, the front side surface of the main board is fixedly connected with plugging columns which are matched with the plugging holes in a plugging manner along the length direction of the strip-shaped holes, and second positioning pieces for keeping the plugging states of the plugging columns and the plugging holes are arranged between the plugging columns and the mounting plate.

Preferably, the second locating piece includes first bolt, spacing piece and first lock nut, a plurality of is followed to peg graft the post top has seted up first jack that the bar hole length direction distributes, the mounting panel terminal surface rear side seted up the radius with the second jack that first jack is the same, the radius of first bolt with the second jack is the same and pass second jack, first jack in proper order, spacing piece sets up on first bolt and with mounting panel upper surface looks butt, first bolt bottom threaded connection first lock nut, first lock nut and mounting panel lower surface looks butt.

Preferably, the yarn guiding rod comprises an upper yarn guiding rod, a middle yarn guiding rod and a lower yarn guiding rod, the upper yarn guiding rod is slidably connected in the strip-shaped hole and is in bolt connection with the vertical surface, the yarn guiding hole is formed in the lower end of the lower yarn guiding rod, the middle yarn guiding rod is located at the lower end of the upper yarn guiding rod and below the vertical surface, a third positioning piece for positioning the height of the middle yarn guiding rod is arranged between the upper end of the middle yarn guiding rod and the lower end of the upper yarn guiding rod, the lower end of the middle yarn guiding rod is in rotary connection with the upper end of the lower yarn guiding rod, the rotary direction of the lower yarn guiding rod is in the width direction of the strip-shaped hole, and a fourth positioning piece for positioning the rotary angle of the lower yarn guiding rod is arranged between the lower end of the middle yarn guiding rod and the upper end of the lower yarn guiding rod.

Preferably, the third positioning piece comprises a second bolt and a second locking nut, a first screw hole is formed in the lower end of the upper yarn guide rod, a plurality of second screw holes penetrating through the middle yarn guide rod are formed in the vertical direction of the outer wall of the middle yarn guide rod, and the second bolt sequentially penetrates through the first screw holes and the second screw holes to be in threaded connection with the second locking nut.

Preferably, the fourth positioning piece comprises a third bolt, a first vertical limiting piece is arranged at the bottom end of the middle yarn guide rod, a second vertical limiting piece is arranged at the top end of the lower yarn guide rod, the first vertical limiting piece and the second vertical limiting piece are mutually attached, and the third bolt penetrates through the first vertical limiting piece and is in threaded connection with the second vertical limiting piece.

The beneficial effects of the utility model are as follows:

1. Through mount pad, bar hole and the first locating part that set up, the flexible cylinder of drive drives the connecting rod and stretches out and draws back for the connecting rod promotes the fixed block and advances or retreats along bar hole length direction, thereby lets the yarn guide pole remove the position of adjusting the yarn guide pole in the bar hole, and the adjustment process is simple and convenient, through two mounting holes and central connecting hole and angle locating hole bolted connection, can adjust the transportation inclination of yarn guide pole and bar hole length direction according to the technological requirement, adapts to the requirement of sending yarn better, guarantees the quality of weaving.

2. Through spliced pole, spliced eye and the second setting element that set up, can adjust the length of mount pad according to the demand and be suitable for the big circular knitting machine of equidimension not, the second setting element of setting has not only increased the stability of mount pad structure, can also make mounting panel and mainboard easy dismounting.

3. Through last guide bar, well guide bar and the lower guide bar that set up, set up the third setting element between well guide bar and the last guide bar, can lengthen the guide bar or shorten the guide bar and adapt to different demands through adjusting the second bolt and passing first screw and different vertical height second screw, through the fourth setting element that sets up between well guide bar and the lower guide bar, can adjust the transport inclination of guide bar and bar hole width direction.

Drawings

FIG. 1 is a schematic view of the yarn feeding mouth of the present utility model;

FIG. 2 is a schematic view of a first positioning member according to the present utility model;

FIG. 3 is a schematic diagram of a motherboard according to the present utility model;

FIG. 4 is a right side view of the yarn guide bar and the first positioning member of the present utility model;

fig. 5 is a schematic structural view of the yarn guide rod in the present utility model.

In the figure: 1. a mounting base; 2. a yarn guide rod; 21. an upper yarn guide rod; 22. a middle yarn guide rod; 221. a second screw hole; 222. the first vertical limiting piece; 23. a lower yarn guide rod; 231. the second vertical limiting piece; 24. a second bolt; 25. a third bolt; 3. a connection hole; 4. a bar-shaped hole; 5. a yarn guiding hole; 6. a first positioning member; 61. a fixed block; 611. a fixing hole; 62. a slide block; 63. a connecting rod; 64. a telescopic cylinder; 65. a vertical face; 651. a central connection hole; 652. an angle positioning hole; 653. a base; 654. a fan surface; 7. a main board; 71. a plug-in column; 72. a first jack; 8. a mounting plate; 9. a first bolt; 10. and a limiting piece.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

As shown in fig. 1, 2 and 4, a yarn feeding nozzle of a circular knitting machine comprises a mounting seat 1 and a yarn guiding rod 2 arranged on the mounting seat 1, a connecting hole 3 for fixedly connecting with a yarn feeding frame of the circular knitting machine is formed at the rear side of the top of the mounting seat 1, a bar-shaped hole 4 extending along the warp direction of the circular knitting machine is formed at the top of the mounting seat 1, the yarn guiding rod 2 penetrates through the bar-shaped hole 4 and is slidably connected with the bar-shaped hole 4, a yarn guiding hole 5 is formed at the part of the yarn guiding rod 2 below the bar-shaped hole 4, a first positioning piece 6 for positioning the yarn guiding rod 2 in the length direction of the bar-shaped hole 4 is arranged between the yarn guiding rod 2 and the mounting seat 1, the first positioning piece 6 comprises a fixing block 61, a sliding block 62, a connecting rod 63, a telescopic cylinder 64 and a vertical surface 65, the connecting rod 63 is parallel to the length direction of the bar-shaped hole 4 and is arranged in the bar-shaped hole 4, the telescopic cylinder 64 is arranged on the inner wall at the rear side of the bar-shaped hole 4, one end of the connecting rod 63 is connected with the telescopic cylinder 64, the other end of the connecting rod 63 is connected with the fixed block 61, the sliding block 62 is arranged at the left side and the right side of the fixed block 61, sliding grooves corresponding to the sliding block 62 are formed at the left side and the right side of the inside of the bar-shaped hole 4, the left side of the bottom end of the fixed block 61 is fixedly connected with the vertical surface 65, a central connecting hole 651 is formed in the center of the vertical surface 65, a plurality of angle positioning holes 652 are formed around the central connecting hole 651, a fixing hole 611 penetrating the fixed block 61 is formed at the top end of the fixed block 61, two mounting holes which respectively correspond to the positions of the central connecting hole 651 and the angle positioning holes 652 are formed in the yarn guide rod 2, the yarn guide rod 2 penetrates the fixing hole 611 and is connected with the central connecting hole 651 and the angle positioning holes 652 through the two mounting holes, the vertical surface 65 comprises a base 653 and a fan-shaped surface 654, the fan 654 and the base 653 form an L-shaped structure, the top end of the base 653 is fixedly connected with the bottom end of the fixed block 61, the plurality of angle positioning holes 652 are arranged on the fan-shaped surface 654 at equal intervals on the circular arcs with the center connecting hole 651 as the center of a circle, so as to form a fan-shaped distribution structure with the plurality of angle positioning holes 652 taking the center connecting hole 651 as the base point. By adopting the structure, the telescopic cylinder 64 is driven to drive the connecting rod 63 to stretch and retract, the connecting rod 63 pushes the fixing block 61 to advance or retreat along the length direction of the strip-shaped hole 4, thereby the yarn guide rod 2 moves in the strip-shaped hole 4 to adjust the position of the yarn guide rod 4, the adjusting process is simple and convenient, the conveying inclination angle of the yarn guide rod 2 and the length direction of the strip-shaped hole 4 can be adjusted according to the process requirements through the bolt connection of the two mounting holes 651 and the angle positioning hole 652, the two mounting holes are respectively in bolt connection, the yarn guide rod 2 is more stable and is not easy to shake, the central angle law of the central connecting hole 651 and the angle positioning hole 652 is distributed, and the requirements of different angles of the yarn guide rod 2 can be met.

As shown in fig. 1 and 3, the mounting seat 1 comprises a main board 7 and a mounting plate 8, the connecting hole 3 is formed in the main board 7, two plugging holes along the length direction of the strip-shaped hole 4 are formed in the left side and the right side of the rear side wall of the mounting plate 8, a plugging post 71 which is in plugging fit with the plugging hole along the length direction of the strip-shaped hole is fixedly connected to the front side surface of the main board 7, a second positioning piece which is used for keeping the plugging state of the plugging post 71 and the plugging hole is arranged between the plugging post 71 and the mounting plate 8, the second positioning piece comprises a first bolt 9, a limiting piece 10 and a first locking nut, a plurality of first jacks 72 which are distributed along the length direction of the strip-shaped hole 4 are formed in the top end of the plugging post 71, a second jack with the same radius as the first jack 72 is formed in the rear side of the top end surface of the mounting plate 8, the radius of the first bolt 9 is the second jack is the same as the second jack and sequentially penetrates through the second jack and the first jack 72, the limiting piece 10 is arranged on the first bolt 9 and is abutted to the upper surface of the mounting plate 8, the bottom end of the first bolt 9 is in threaded connection with the first locking nut, and the first locking nut is abutted to the lower surface of the mounting plate 8. By adopting the structure, the length of the mounting seat 1 can be adjusted according to the requirement to adapt to large circular machines with different sizes, the second locating piece is arranged to increase the stability of the structure, the mounting plate 8 and the main plate 7 are convenient to mount and dismount, and the radiuses of the first bolt 9, the second jack and the first jack 72 are the same, so that the stability can be increased, and the shaking between the main plate 7 and the mounting plate 8 can be avoided.

As shown in fig. 1 and 5, the yarn guide rod 2 comprises an upper yarn guide rod 21, a middle yarn guide rod 22 and a lower yarn guide rod 23, the upper yarn guide rod 21 is slidably connected in the strip-shaped hole 4 and is connected with the vertical surface 65 through bolts, the yarn guide hole 5 is formed in the lower end of the lower yarn guide rod 23, the middle yarn guide rod 22 is located at the lower end of the upper yarn guide rod 21 and below the vertical surface 65, a third positioning piece for positioning the height of the middle yarn guide rod 22 is arranged between the upper end of the middle yarn guide rod 22 and the lower end of the upper yarn guide rod 21, the lower end of the middle yarn guide rod 22 is rotatably connected with the upper end of the lower yarn guide rod 23, the rotating direction of the lower yarn guide rod 22 is in the width direction of the strip-shaped hole 4, a fourth positioning piece for positioning the rotating angle of the lower yarn guide rod 23 is arranged between the lower end of the middle yarn guide rod 22 and the upper end of the lower yarn guide rod 23, the third positioning piece comprises a second bolt 24 and a second locking nut, a first screw hole is formed in the lower end of the upper yarn guide rod 21, a third positioning piece is formed in the vertical direction of the outer wall of the middle yarn guide rod 22, a third positioning piece is formed by penetrating through the middle yarn guide rod 22 and the lower end of the upper yarn guide rod 22, a second screw hole 221 and a plurality of vertical limiting pieces 231 are sequentially arranged, the second limiting pieces 231 are sequentially pass through the second limiting pieces and the second limiting pieces 231 and the second limiting pieces and the limiting pieces 231 are sequentially arranged, and vertically, and the limiting pieces are vertically and are vertically connected with a second limiting piece and vertically and are respectively, and rotatably connected. With this structure, the second bolt 24 is adjusted to pass through the first screw hole and the second screw hole 221 with different vertical heights, so that the yarn guide rod 2 can be elongated or shortened to meet different requirements, and the conveying inclination angle of the yarn guide rod 2 and the width direction of the strip-shaped hole 4 can be adjusted by the fourth positioning piece arranged between the middle yarn guide rod 22 and the lower yarn guide rod 23.

When the device is used, the length of the mounting seat 1 is adjusted according to the radius of the circular knitting machine, the first bolt 9 sequentially passes through the second insertion hole and the first insertion holes 72 at different horizontal positions to prolong or shorten the horizontal length of the mounting seat 1, then the telescopic cylinder 64 is driven to drive the connecting rod 63 to stretch, so that the connecting rod 63 pushes the fixing block 61 to advance or retreat along the length direction of the strip-shaped hole 4, the yarn guide rod 2 moves in the strip-shaped hole 4 to adjust the position of the yarn guide rod 4, one mounting hole is fixedly connected with the central connecting hole 651, after the required angle of the yarn guide rod 2 is adjusted, the other mounting hole is fixedly connected with the angle positioning hole 652, and therefore the conveying inclined angle of the yarn guide rod 2 and the length direction of the strip-shaped hole 4 can be adjusted to meet different requirements, the second screw hole 221 can be driven to stretch the yarn guide rod 2 or shorten the yarn guide rod 2 to meet different requirements by adjusting the second screw hole 24 to pass through the first screw hole and the different vertical heights, and the production inclined angle of the yarn guide rod 2 and the width direction of the yarn guide rod 2 can be saved to the left or right by rotating the lower yarn guide rod 23.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a yarn feeding mouth of circular knitting machine, is in including mount pad (1) and setting guide bar (2) on mount pad (1), connecting hole (3) that are used for with circular knitting machine yarn feeding frame fixed connection usefulness are seted up to mount pad (1) top rear side, its characterized in that: the utility model discloses a left and right side fixed block (61) and fixed slot (62) are provided with a left and right side fixed block (61) and fixed slot (62) and fixed slot (61) respectively, bar hole (4) along the radial extension of great circle machine is offered at mount pad (1) top, yarn guide bar (2) run through bar hole (4) and with bar hole (4) sliding connection, yarn guide hole (5) have been offered to the part that yarn guide bar (2) are located bar hole (4) below, be provided with between yarn guide bar (2) and mount pad (1) first setting element (6) that are used for fixing a position yarn guide bar (2) in bar hole (4) length direction, first setting element (6) include fixed block (61), slider (62), connecting rod (63), telescopic cylinder (64) and vertical face (65), connecting rod (63) with bar hole (4) length direction is parallel and are located in bar hole (4), telescopic cylinder (64) are installed on bar hole (4) rear side inner wall, connecting rod (63) one end with telescopic cylinder (64), connecting rod (63) other end with fixed block (61) are connected with fixed block (61) left and right side fixed slot (61) and fixed slot (61), the utility model discloses a yarn guide device, including vertical face (65) and yarn guide rod (2), vertical face (65) center has been seted up center connecting hole (651), a plurality of angle locating hole (652) have been seted up around center connecting hole (651), fixed block (61) top has been seted up and has been run through fixed hole (611) of fixed block (61), yarn guide rod (2) set up respectively with two mounting holes that center connecting hole (651) and angle locating hole (652) position are corresponding, yarn guide rod (2) pass fixed hole (611) and through two mounting hole and center connecting hole (651) and angle locating hole (652) bolted connection.

2. A yarn feeding nozzle of a large circular knitting machine according to claim 1, characterized in that: the vertical surface (65) comprises a base (653) and a fan-shaped surface (654), the fan-shaped surface (654) and the base (653) form an L-shaped structure, and the top end of the base (653) is fixedly connected with the bottom end of the fixed block (61).

3. A yarn feeding nozzle for a large circular knitting machine according to claim 2, characterized in that: the angle positioning holes (652) are arranged on the fan-shaped surface (654) at equal intervals on the circular arcs with the center connecting hole (651) as a circle center, and a fan-shaped distribution structure with the center connecting hole (651) as a base point is formed by the angle positioning holes (652).

4. A yarn feeding nozzle of a large circular knitting machine according to claim 1, characterized in that: the mounting seat (1) comprises a main board (7) and a mounting plate (8), the connecting hole (3) is formed in the main board (7), the strip-shaped hole (4) is formed in the mounting plate (8), two plug holes along the length direction of the strip-shaped hole (4) are formed in the left side and the right side of the rear side wall of the mounting plate (8), the front side surface of the main board (7) is fixedly connected with plug posts (71) which are matched with the plug holes in a plug manner along the length direction of the strip-shaped hole, and second positioning pieces for keeping the plug posts (71) and the plug holes in a plug manner are arranged between the plug posts (71) and the mounting plate (8).

5. The yarn feeding nozzle of the large circle machine according to claim 4, wherein: the second locating piece includes first bolt (9), spacing piece (10) and first lock nut, a plurality of along first jack (72) that bar hole (4) length direction distributes are seted up on grafting post (71) top, the radius with the second jack that first jack (72) is the same is seted up to mounting panel (8) terminal surface rear side, the radius of first bolt (9) with second jack is the same and pass second jack, first jack (72) in proper order, spacing piece (10) set up on first bolt (9) and with mounting panel (8) upper surface looks butt, first bolt (9) bottom threaded connection first lock nut, first lock nut and mounting panel (8) lower surface butt.

6. A yarn feeding nozzle of a large circular knitting machine according to claim 1, characterized in that: the utility model provides a yarn guide device, including yarn guide bar (2), yarn guide bar (22) and lower yarn guide bar (23) in including last yarn guide bar (21), go up yarn guide bar (21) sliding connection be in bar hole (4) and with vertical face (65) bolted connection, yarn guide hole (5) set up in lower yarn guide bar (23) lower extreme, well yarn guide bar (22) are located go up yarn guide bar (21) lower extreme and be located the below of vertical face (65), well yarn guide bar (22) upper end with be provided with the location between last yarn guide bar (21) lower extreme in the third setting element of yarn guide bar (22) height, well yarn guide bar (22) lower extreme with lower yarn guide bar (23) upper end rotation connection just the direction of rotation of yarn guide bar (23) is bar hole (4) width direction, well yarn guide bar (22) lower extreme with be provided with between lower yarn guide bar (23) upper end and be used for yarn guide bar (23) rotation angle four.

7. The yarn feeding nozzle of the large round machine according to claim 6, wherein: the third locating piece comprises a second bolt (24) and a second locking nut, a first screw hole is formed in the lower end of the upper yarn guide rod (21), a plurality of second screw holes (221) penetrating through the middle yarn guide rod (22) are formed in the vertical direction of the outer wall of the middle yarn guide rod (22), and the second bolt (24) sequentially penetrates through the first screw holes and the second screw holes (221) to be in threaded connection with the second locking nut.

8. A yarn feeding nozzle for a large circular knitting machine as claimed in claim 6 or 7, characterized in that: the fourth locating piece comprises a third bolt (25), a first vertical limiting piece (222) is arranged at the bottom end of the middle yarn guide rod (22), a second vertical limiting piece (231) is arranged at the top end of the lower yarn guide rod (23), the first vertical limiting piece (222) and the second vertical limiting piece (231) are mutually attached, and the third bolt (25) penetrates through the first vertical limiting piece (222) and is in threaded connection with the second vertical limiting piece (231).