CN216663403U

CN216663403U - Yarn feeding nozzle of weft circular knitting machine

Info

Publication number: CN216663403U
Application number: CN202220225503.9U
Authority: CN
Inventors: 孙旦杰
Original assignee: Shaoxing Jieyuan Textile Co ltd
Current assignee: Shaoxing Jieyuan Textile Co ltd
Priority date: 2022-01-27
Filing date: 2022-01-27
Publication date: 2022-06-03
Anticipated expiration: 2032-01-27

Abstract

The utility model discloses a weft knitting large circular knitting machine yarn feeding nozzle which comprises a yarn feeding nozzle, a hollow sleeve, an installation piece and an adjusting piece, wherein the installation piece is arranged on the rear side of the sleeve, positioning pieces are arranged on the left side and the right side of the installation piece, a circular clamping groove is formed in the middle of each positioning piece, a connecting hole is formed in the center of each clamping groove, a fixing hole is formed in the middle of the rear side face of the installation piece, circular connecting blocks matched with the clamping grooves are arranged on two sides of the middle of the sleeve, the connecting blocks are rotatably connected in the clamping grooves, a threaded connecting hole is formed in the center of each connecting block, and the connecting blocks are inserted into the clamping grooves and then fixedly connected through the connecting holes and the threaded connecting holes through bolts. The yarn feeding angle of the yarn feeding nozzle is not easy to adjust by arranging the connecting block and the clamping groove to rotate relatively and then fix the connecting block and the clamping groove.

Description

Yarn feeding nozzle of weft circular knitting machine

Technical Field

The utility model relates to the field of textile machinery accessories, in particular to a yarn feeding nozzle of a circular weft knitting machine.

Background

The yarn feeding nozzle is an indispensable important component in the double-sided weft circular knitting machine, and the yarn feeding nozzle mainly plays a role in guiding yarns and enabling the yarns to be padded into proper positions of knitting needles. However, due to the difference of the textures and the types of fabrics, the input angle, the tension and the like of the yarns should be changed, and the yarns can be guided to the optimal position by adjusting the position of the yarn feeding nozzle, so that the quality of the fabric is ensured.

The Chinese patent with publication number CN209619577U discloses a yarn feeding device of a circular knitting machine, which has the technical key points that: after the yarn is unwound from the yarn stand, the yarn penetrates into the sleeve through the yarn guide and then is fed into the protective sleeve, and the radius of the yarn hole is between the fixed ring piece and the sleeve, so that the protective sleeve can not fall out of the yarn hole, and the sleeve can slide and rotate in the yarn hole when the acting force of the yarn on the protective sleeve is changed, so that the phenomenon that the bending angle is too large during yarn conveying due to the change of yarn tension, the yarn is pulled apart, and the knitting quality of the circular knitting machine is ensured; in addition, the height position of the yarn hole on the yarn feeding nozzle is adjusted by the height adjusting piece so as to adapt to different yarn conveying requirements. Above-mentioned scheme has solved yarn tension's regulation problem and has led the adaptation problem of yarn height, but because the variety of tissue, only to leading the yarn height to adjust still be not enough to solve the problem of yarn anti-silk, broken end, if weave for multiple yarn feeding weave, the tension of different yarns is different, and the same guide hole of feeding is unfavorable for weaving.

Therefore, a new solution is needed to solve this problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provides the yarn feeding nozzle of the circular weft knitting machine, which effectively solves the problem that the yarn feeding angle of the yarn feeding nozzle is not easy to adjust by arranging the connecting block and the clamping groove to rotate relatively and then fix.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a yarn mouth is fed to big circular knitting machine of weft knitting, is including feeding yarn mouth, hollow sleeve pipe, installed part and regulating part, the sleeve pipe rear side is located to the installed part, the installed part left and right sides is equipped with the spacer, the spacer middle part is equipped with circular draw-in groove, the draw-in groove center is equipped with the connecting hole, installed part trailing flank middle part is equipped with the fixed orifices, sleeve pipe middle part both sides are equipped with the circular connecting block with the draw-in groove adaptation, the connecting block rotates to be connected in the draw-in groove, the center of connecting block is equipped with threaded connection hole, the connecting block passes connecting hole, threaded connection hole fixed connection by the bolt after inserting the draw-in groove.

The contact surface of connecting block and draw-in groove evenly is equipped with the bar of dispersing the shape and caves in and protruding, the protruding depressed part that corresponds the draw-in groove of connecting block, two distance between the connecting block equals the distance between two draw-in grooves.

Feed yarn mouth middle part and be equipped with step one, feed yarn mouth upper end be equipped with the picture peg of cover intraductal wall adaptation, the picture peg middle part is equipped with circular port one, the sleeve pipe middle part is equipped with the hole two unanimous with a hole diameter, hole one is equipped with the screw thread with two inner walls in hole, the picture peg inserts intraduct, sleeve pipe lower extreme butt is in step one.

The middle part of the adjusting part is provided with a sliding groove, and a group of symmetrical through holes are formed in the plane of the upper end of the adjusting part in a protruding mode.

The adjusting piece is arranged on the front side face of the sleeve, and the sliding groove is fixedly connected with the first hole and the second hole which are arranged in parallel and level through nuts.

The yarn feeding device is characterized in that a first yarn guide hole and a second yarn guide hole are formed in the lower end of the yarn feeding nozzle, the first yarn guide hole vertically penetrates through the yarn feeding nozzle, the second yarn guide hole penetrates through the yarn feeding nozzle and forms a 60-degree included angle with the surface of the yarn feeding nozzle, the first yarn guide hole and the second yarn guide hole are located on the same horizontal line, and the right side of the second yarn guide hole is arranged on the first yarn guide hole.

And yarn guide sleeves are arranged on the first yarn guide hole and the outer side of the yarn guide hole.

The width of the sliding groove is consistent with the diameter of the first hole and the diameter of the second hole.

The sleeve is a plastic piece.

The utility model has the beneficial effects that:

because the fabric has different textures, densities and material selections during weaving, the yarn tension or yarn feeding angle needs to be adjusted, and the yarn tension or yarn feeding angle can be adjusted from two aspects: firstly, the height of the adjusting piece is adjusted up and down, and the adjusting can be realized by loosening and tightening the nut and moving the sliding chute; and secondly, adjusting the inclination angle of the yarn feeding nozzle forwards and backwards, specifically, unscrewing the bolt to separate the connecting block from the surface of the clamping groove, rotating the connecting block, inwards or outwards rotating the connecting block according to actual requirements, clamping the convex part of the connecting block into the concave part of the clamping groove after determining the angle, and simultaneously screwing the bolt to fix the connecting block. Above-mentioned subassembly can play rotatory spacing effect, and the existence of latch can improve rotation accuracy greatly moreover, prevents that the subassembly from adjusting after the angle and then leading to the angle change at the during operation pine. In addition, the trailing flank of sheathed tube sets up certain distance with the leading flank of installed part, can guarantee rotatory spacing space.

In order to meet different tensions of different yarns, the utility model is also provided with yarn guide holes with different angles for selection of yarn threading during weaving.

Drawings

FIG. 1 is a front view of a yarn feeding nozzle of a circular weft knitting machine according to the present invention;

FIG. 2 is an exploded view of a yarn feeding nozzle of a circular weft knitting machine according to the present invention;

FIG. 3 is a cross-sectional view taken at A-A of FIG. 1;

FIG. 4 is a cross-sectional view taken at B-B of FIG. 1;

FIG. 5 is a cross-sectional view taken at D-D of FIG. 1;

FIG. 6 is a partial cross-sectional view of a side view of a yarn feeding nozzle of a circular weft knitting machine according to the present invention.

In the figure: the yarn feeding device comprises a yarn feeding nozzle 1, a first step 11, a first hole 12, an inserting plate 13, a first yarn guiding hole 15, a second yarn guiding hole 16, a sleeve 2, a second hole 21, a connecting block 22, an adjusting piece 3, a sliding groove 31, a through hole 32, a mounting piece 4, a clamping groove 41, a positioning piece 42, a fixing hole 43, a nut 5, a bolt 6, a threaded connecting hole 7 and a connecting hole 71.

Detailed Description

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

As shown in fig. 1-6, a yarn feeding nozzle of a circular weft knitting machine comprises a yarn feeding nozzle body 1, a sleeve 2 for mounting the yarn feeding nozzle body and a mounting part 4 for mounting the sleeve 2, wherein positioning pieces 42 are arranged on the left side and the right side of the mounting part 4, and the mounting part 4 is rotatably connected between the two positioning pieces 42 and fixed through bolts 6. The middle part of the back side surface of the mounting part 4 is provided with a fixing hole 43, the fixing hole 43 is used for connecting the mounting part 4 with the frame of the circular knitting machine, and the middle parts of the two positioning pieces 42 are provided with clamping grooves 41.

Connecting blocks 22 are fixedly connected to two sides of the middle of the casing 2, the connecting blocks 22 are located between the two positioning pieces 42, and connecting holes 71 and threaded connecting holes 7 matched with the bolts 6 are respectively formed in the positioning pieces 42 and the connecting blocks 22. The inner wall of the connecting hole 71 is smooth, the inner wall of the threaded connecting hole 7 is provided with threads in the same direction as the bolt 6, and the connecting block 22 is inserted into the clamping groove 41 and then fixedly connected with the connecting hole 71 and the threaded connecting hole 7 through the bolt 6 so as to prevent the sleeve 2 from slipping or falling off after being screwed.

As shown in fig. 6, the connecting block 22 and the clamping groove 41 are both circular, the contact surface between the connecting block 22 and the clamping groove 41 is uniformly provided with bar-shaped concave portions and convex portions which are divergent, the convex portions and the concave bar-shaped portions are the same in size and shape, 24 bar-shaped portions are respectively arranged, the convex portions of the connecting block 22 abut against the concave portions of the clamping groove 41, and similarly, the concave portions of the connecting block 22 abut against the convex portions of the clamping groove 41, namely, two distances between the connecting block 22 and between the two clamping grooves 41 are equal.

An inserting plate 13 matched with the inner wall of the sleeve 2 is arranged at the upper end of the yarn feeding nozzle 1, a first circular hole 12 is formed in the middle of the inserting plate 13, the diameter of the first circular hole 12 is consistent with that of a second circular hole 21 formed in the middle of the sleeve 2, and threads are arranged on the inner walls of the first circular hole 12 and the second circular hole 21; the middle part of the yarn feeding nozzle 1 is provided with a first annular step 11; the lower end of the yarn feeding nozzle 1 is provided with a first yarn guide hole 15 and a second yarn guide hole 16, wherein the first yarn guide hole 15 vertically penetrates through the yarn feeding nozzle 1, the second yarn guide hole 16 obliquely and downwards penetrates through the yarn feeding nozzle 1 and forms an included angle of 60 degrees with the surface of the yarn feeding nozzle 1, the first yarn guide hole 15 and the second yarn guide hole 16 are located on the same horizontal line, and the first yarn guide hole 15 is arranged on the right side of the second yarn guide hole 16. Because the yarn is fragile, the ceramic yarn guide sleeves are arranged on the outer sides of the first yarn guide hole 15 and the second yarn guide hole 16, so that the friction force between the yarn and the small holes is reduced, and the broken ends are reduced.

The front side of the sleeve 2 is provided with a height adjusting part 3 with the width consistent with that of the sleeve 2, the middle part of the adjusting part 3 is provided with a sliding chute 31, the width of the sliding chute 31 is consistent with the diameters of the first hole 12 and the second hole 21, a group of symmetrical through holes 32 are arranged on the convex plane at the upper end of the adjusting part 3, and the outer side of the through holes 32 is also provided with a ceramic pipe sleeve.

When the inserting plate 13 is inserted into the sleeve 2, the lower end of the sleeve 2 abuts against the first step 11, the first hole 12 and the second hole 21 are located at the same position and are aligned with the sliding groove 31, the nut 5 sequentially penetrates through the sliding groove 31, the second hole 21 and the first hole 12 and fixedly connects the sliding groove 31, the second hole 21 and the first hole 12, and the diameter of the nut 5 is consistent with that of the first hole 12 and the second hole 21.

The sleeve 2 is a plastic part, which is worn more, so that the cost is saved and the replacement is convenient, and therefore, plastic is selected as a base material.

The working principle of the utility model is as follows:

1. and (6) assembling. Fix in the circular knitting machine frame with installed part 4 earlier, insert sleeve pipe 2 and butt with feeding nozzle 1 again, then get regulating part 3 and arrange sleeve pipe 2 front side in and with nut 5 with three fixed connection, place sleeve pipe 2 between spacer 42 at last, and connecting block 22 and draw-in groove 41 butt, be connected to together draw-in groove 41 and connecting block 22 with bolt 6.

2. And (6) threading. After the yarn feeding device is assembled, yarns are led into the through hole 32 from the upper side of the through hole 32 and are fed into the yarn guide holes from the front side face of the yarn feeding nozzle, if two yarns are fed in parallel, the yarns led out from the through hole 32 on the left side are fed into the second yarn guide hole 16, and the yarns led out from the through hole 32 on the right side are fed into the first yarn guide hole 15 according to the required actual conditions.

3. And (6) adjusting. Because the fabric is different in structure, density and material selection during weaving, when the yarn tension or yarn feeding angle needs to be adjusted, the height of the adjusting part 3 is adjusted up and down; secondly, the inclination angle of the yarn feeding nozzle 1 is adjusted front and back, which specifically comprises: the bolt 6 is loosened, so that the connecting block 22 is separated from the surface of the clamping groove 41 to rotate, the connecting block 22 is rotated inwards or outwards according to requirements, after the angle is determined, the protrusion of the connecting block 22 is clamped into the groove of the clamping groove 41, and the bolt 6 is tightened at the same time. Above-mentioned subassembly can play rotatory spacing effect, and the existence of latch can improve rotation accuracy moreover, prevents that the subassembly from adjusting after the angle and then leading to the angle change at the during operation pine. In addition, the trailing flank of sleeve pipe 2 sets up certain distance with the leading flank of installed part 4, can guarantee that rotation-limiting's space is enough.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides a weft knitting big circular knitting machine feeds yarn mouth which characterized in that: including feeding yarn mouth (1), hollow sleeve pipe (2), installed part (4) and regulating part (3), sleeve pipe (2) rear side is located in installed part (4), installed part (4) left and right sides is equipped with spacer (42), spacer (42) middle part is equipped with circular draw-in groove (41), draw-in groove (41) center is equipped with connecting hole (71), installed part (4) trailing flank middle part is equipped with fixed orifices (43), sleeve pipe (2) middle part both sides are equipped with circular connecting block (22) with draw-in groove (41) adaptation, connecting block (22) rotate to be connected in draw-in groove (41), the center of connecting block (22) is equipped with threaded connection hole (7), connecting hole (71), threaded connection hole (7) are passed by bolt (6) after connecting block (22) insert draw-in groove (41) fixed.

2. The yarn feeding nozzle of the circular weft knitting machine according to claim 1, characterized in that: the contact surface of connecting block (22) and draw-in groove (41) evenly is equipped with the bar of divergent shape and caves in and protruding, the protruding sunk part that corresponds draw-in groove (41) of connecting block (22), two distance between connecting block (22) equals the distance between two draw-in grooves (41).

3. The yarn feeding nozzle of the circular weft knitting machine according to claim 1, characterized in that: feed yarn mouth (1) middle part and be equipped with step (11), feed yarn mouth (1) upper end and be equipped with picture peg (13) with sleeve pipe (2) inner wall adaptation, picture peg (13) middle part is equipped with circular port (12), sleeve pipe (2) middle part is equipped with hole two (21) unanimous with hole one (12) diameter, hole one (12) are equipped with the screw thread with hole two (21) inner wall, inside picture peg (13) insert sleeve pipe (2), sleeve pipe (2) lower extreme butt in step (11).

4. The yarn feeding nozzle of the circular weft knitting machine according to claim 3, characterized in that: the middle part of the adjusting piece (3) is provided with a sliding chute (31), and a group of symmetrical through holes (32) are arranged on the plane of the upper end of the adjusting piece (3) in a protruding mode.

5. The yarn feeding nozzle of the circular weft knitting machine according to claim 4, characterized in that: the adjusting piece (3) is arranged on the front side face of the sleeve (2), and the sliding groove (31) is fixedly connected with the first hole (12) and the second hole (21) which are arranged in a flush mode through the nut (5).

6. The yarn feeding nozzle of the circular weft knitting machine according to claim 1, characterized in that: feed yarn mouth (1) lower extreme and be equipped with yarn guide hole one (15) and yarn guide hole two (16), yarn guide hole one (15) pass perpendicularly and feed yarn mouth (1), yarn guide hole two (16) pass and feed yarn mouth (1) and be 60 contained angles with feeding yarn mouth (1) surface, yarn guide hole one (15) are located same water flat line with yarn guide hole two (16), yarn guide hole two (16) right side is located in yarn guide hole one (15).

7. The yarn feeding nozzle of the circular weft knitting machine according to claim 6, characterized in that: and yarn guide sleeves are arranged on the outer sides of the first yarn guide hole (15) and the second yarn guide hole (16).

8. The yarn feeder of the circular weft knitting machine according to claim 4, characterized in that: the width of the sliding groove (31) is consistent with the diameters of the first hole (12) and the second hole (21).

9. The yarn feeding nozzle of the circular weft knitting machine according to claim 1, characterized in that: the sleeve (2) is a plastic piece.