CN112027810A

CN112027810A - Auxiliary yarn winding mechanism

Info

Publication number: CN112027810A
Application number: CN202011035026.1A
Authority: CN
Inventors: 张燚; 黄志远; 李微; 秦晓敏; 王志超; 何美琪
Original assignee: Tangshan Fog Valley Mechanical And Electrical Equipment Co ltd
Current assignee: Tangshan Fog Valley Mechanical And Electrical Equipment Co ltd
Priority date: 2020-09-27
Filing date: 2020-09-27
Publication date: 2020-12-04
Anticipated expiration: 2040-09-27
Also published as: CN112027810B

Abstract

The invention relates to an auxiliary yarn winding mechanism applied to a yarn changing knotter. The yarn feeding device comprises a shell, wherein the shell is provided with a yarn feeding finger and a driving motor, and a gear, a rack, a wiring knife group, a knife group supporting seat, a slideway, an auxiliary yarn winding swing rod and a swing rod track are arranged at the output shaft end of the driving motor; the auxiliary yarn winding swing rod is provided with a yarn guide port, a spring hook, a rotary fixing shaft hole and a swing pin shaft; the rack is provided with an auxiliary yarn winding swing rod fixing hole, a swing rod limiting pin and a spring hook. The invention is used as an auxiliary mechanism, is arranged in the full-automatic wiring knotter and is matched with the knotting knife for use, so that the knotting knife can realize the knotting mode from single set to multiple sets, the success rate of yarn knotting is well improved, the requirement range of yarn materials is greatly reduced, the invention is suitable for wider models, particularly suitable for models with small cylinder diameter, special models, hosiery machines which cannot be provided with yarn adjusting devices and the like, provides more help for the development of fabrics of knitting products, and increases economic benefits for customers.

Description

Auxiliary yarn winding mechanism

Technical Field

The invention relates to an automatic thread changing knotter, in particular to an auxiliary yarn winding mechanism applied to the thread changing knotter.

Background

The existing yarn changer structure can only meet the requirement of forming a yarn sleeve in the yarn knotting process, and the qualified rate of wiring can be influenced, so that the material of the yarn is limited, and the development of multiple types of fabrics is not facilitated.

Disclosure of Invention

The invention aims to solve the problems, and provides an auxiliary winding mechanism which is used as an auxiliary mechanism and matched with a knotting knife to realize a knotting mode from single to multiple sets of knotting knives, so that the requirement range of yarn materials is greatly reduced, the auxiliary winding mechanism is suitable for wider knitting and textile machines, and more help is provided for the development of knitted textile product fabrics.

The invention solves the problems and adopts the technical scheme that:

an auxiliary yarn winding mechanism comprises a shell, wherein a yarn feeding finger and a driving motor are respectively arranged on the shell, a gear, a rack, a wiring knife group, a knife group supporting seat and a slideway are arranged at the output shaft end of the driving motor, and the auxiliary yarn winding mechanism also comprises an auxiliary yarn winding swing rod, an extension spring and a swing rod track; the auxiliary yarn winding swing rod is respectively provided with a yarn guide port, a spring hook I, a rotary fixing shaft hole and a swinging pin shaft, one end of the swinging pin shaft is riveted on the auxiliary yarn winding swing rod, the other end of the swinging pin shaft is sleeved with a rolling shaft sleeve, and the rolling shaft sleeve is limited on the swinging pin shaft through a shaft retaining ring; the rack is respectively provided with a connecting hole, an auxiliary yarn winding swing rod fixing hole, a swing rod limiting pin and a spring hook II; the auxiliary yarn winding swing rod is riveted at a fixing hole of the auxiliary yarn winding swing rod of the rack through a rivet, two ends of an extension spring are respectively hung on a first spring hook of the auxiliary yarn winding swing rod and a second spring hook of the rack, and the auxiliary yarn winding swing rod is stabilized at a swing rod limiting pin through the tension of the extension spring; the swing rod rail is fixed on the shell, and a first inclined plane, a first platform, a second inclined plane and a second platform which are matched with a rolling shaft sleeve on a swing pin shaft of the auxiliary yarn winding swing rod and are connected in sequence are arranged on the swing rod rail; in the process that the driving motor drives the rack and the wiring knife group to move rightwards, the rolling shaft sleeve moves along the swing rod rail, so that two yarns to be knotted are held and pulled rightwards at the same time by the yarn guide opening on the swing auxiliary yarn winding swing rod, and the yarns are fed into the knife edge and assisted to cut yarns in the rotation process of the wiring knife group, and the yarn tension is increased for the cut yarns.

Compared with the prior art, the invention adopting the technical scheme has the outstanding characteristics that:

the auxiliary yarn winding mechanism is used as an auxiliary mechanism, is arranged in a full-automatic wiring knotter and is matched with a knotting knife for use, so that the knotting knife can realize a knotting mode from single set to multiple sets, the success rate of yarn knotting is well improved, the requirement range of yarn materials is greatly reduced, the auxiliary yarn winding mechanism is suitable for wider models, is particularly suitable for small-cylinder-diameter models, special models, hosiery machines incapable of being provided with yarn adjusting devices and the like, more help is provided for the development of fabrics of knitting products, and economic benefits are increased for clients.

Preferably, the further technical scheme of the invention is as follows:

the middle part of the shell is provided with a mounting hole, and the swing rod track is fixedly mounted at the mounting hole in the middle part of the shell through a countersunk screw.

The wiring knife group and the knife group supporting seat are of an integral structure, a rack fixing hole is formed in the knife group supporting seat, a rack, a slide way and a knife group supporting seat which are provided with auxiliary yarn winding swing rods are connected together through fastening screws and are installed on the shell together, and a driving motor provided with a gear is installed on the shell to enable the rack to be meshed with the gear on the driving motor.

Drawings

FIG. 1 is a schematic structural diagram of an auxiliary yarn winding swing rod according to an embodiment of the invention;

FIG. 2 is a schematic side view of the structure of FIG. 1;

in fig. 1 and 2: the auxiliary yarn winding swing rod 1, a yarn guide opening 101, a spring hook 102, a rotary fixing shaft hole 103, a swing pin shaft 104 and a rolling shaft sleeve 105;

FIG. 3 is a schematic structural view of a rack in accordance with an embodiment of the present invention;

FIG. 4 is a side view schematic of the structure of FIG. 3;

in fig. 3 and 4: the device comprises a rack 2, a connecting hole 201, an auxiliary yarn winding swing rod fixing hole 202, a swing rod limiting pin 203 and a spring hook I204;

FIG. 5 is a schematic view of a knife set according to an embodiment of the present invention;

FIG. 6 is a side view schematic of the structure of FIG. 5;

in fig. 5 and 6: a wiring knife group 3 and a knife group supporting seat 4;

FIG. 7 is a schematic structural diagram of a rocker rail according to an embodiment of the invention;

FIG. 8 is a side view schematic of the structure of FIG. 7;

in fig. 7 and 8: the swing rod track 6, a first inclined surface 601, a first platform 602, a second inclined surface 603, a second platform 604 and a connecting hole 605;

FIG. 9 is a schematic structural view of a housing according to an embodiment of the present invention;

FIG. 10 is a side view schematic of the structure of FIG. 9;

FIG. 11 is a schematic structural view of the overall assembly of an embodiment of the present invention;

FIG. 12 is a side view schematic of the structure of FIG. 11;

in fig. 11 and 12: the device comprises an auxiliary yarn winding swing rod 1, a rack 2, a wiring knife group 3, a knife group supporting seat 4, a slideway 5, a swing rod track 6, a shell 7, a driving motor 8 and a yarn feeding finger 9; an extension spring 12;

FIG. 13 is a first step diagram illustrating the yarn feeding operation of the present invention;

in fig. 13: yarn 10, yarn 11;

FIG. 14 is a schematic view showing the second step of the embodiment of the present invention, in which the yarn is pulled out by the angle of the yarn to be wound after the yarn splicing group moves;

FIG. 15 is a schematic view in steps of the third embodiment of the invention, showing the position of the sleeve of the auxiliary winding swing link contacting the first inclined surface of the slide;

FIG. 16 is a fourth step-by-step schematic diagram of the embodiment of the invention, wherein a yarn feeding port of an auxiliary yarn winding swing rod feeds yarn into a blade of a wiring knife group;

FIG. 17 is a schematic view showing a fifth step by step mode of the embodiment of the invention, wherein the position of the shaft sleeve of the auxiliary yarn winding swing rod is in contact with the first platform of the slideway;

FIG. 18: the step-by-step schematic diagram of the embodiment of the invention is six, and the yarn is held by the wiring knife group;

FIG. 19: the step-by-step schematic diagram is seven, and the wiring knife group is positioned at a yarn cutting and clamping position;

FIG. 20: the step-by-step schematic diagram is eight, and the position of a shaft sleeve of the auxiliary yarn winding swing rod is in contact with a second inclined surface of the slideway;

FIG. 21: the step-by-step schematic diagram is nine, the wiring knife group finishes the yarn knotting process, and the shaft sleeve position of the auxiliary yarn winding swing rod is in contact with a second platform of the slideway;

FIG. 22: the step-by-step schematic diagram of the embodiment of the invention is ten, the wiring action is completed, and two yarns are knotted into one yarn.

The specific implementation mode is as follows:

the invention will be further illustrated by the following examples, which are intended only for a better understanding of the present invention and therefore do not limit the scope of the invention.

Referring to fig. 1 to 22, an auxiliary yarn winding mechanism comprises a shell 7, a yarn feeding finger 901/902/903/904 and a driving motor 8 are arranged on the shell 7, and a gear, a rack 2, a wiring knife group 3, a knife group supporting seat 4, a slideway 5, an auxiliary yarn winding swing rod 1, an extension spring 12 and a swing rod track 6 are mounted at the output shaft end of the driving motor 8.

The auxiliary yarn winding swing rod 1 is respectively provided with a yarn guide port 101, a spring hook I102, a rotary fixing shaft hole 103 and a swing pin shaft 104, one end of the swing pin shaft 104 is riveted on the auxiliary yarn winding swing rod 1, the other end of the swing pin shaft 104 is sleeved with a rolling shaft sleeve 105, and the rolling shaft sleeve 105 is limited on the swing pin shaft 104 through a shaft retaining ring.

The rack 2 is provided with a connecting hole 201, an auxiliary yarn winding swing rod fixing hole 202, a swing rod limiting pin 203 and a spring hook II 204; the auxiliary yarn winding swing rod 1 is riveted at an auxiliary yarn winding swing rod fixing hole 202 of the rack 2 through a rivet, two ends of an extension spring 12 are hung on a first spring hook 102 of the auxiliary yarn winding swing rod 1 and a second spring hook 204 of the rack 2 respectively, and the auxiliary yarn winding swing rod 1 is stabilized at a swing rod limiting pin 203 through the tension of the extension spring 12.

The swing rod slideway 6 is provided with a first inclined surface 601, a first platform 602, a second inclined surface 603, a second platform 604 and a connecting hole 605.

The wiring knife group 3 and the knife group supporting seat 4 are integrated, a rack fixing hole is arranged on the knife group supporting seat 4, a rack 2 provided with an auxiliary winding swing rod 1, a slide way 5 and the knife group supporting seat 4 are connected together through fastening screws and are arranged on the shell 7 together, a driving motor 8 provided with a gear is arranged on the shell 7, the rack 2 and the gear on the driving motor 8 are meshed with each other, and a swing rod track 6 is arranged at a mounting hole in the middle of the shell 7 through a sunk screw through a connecting hole 605.

The driving motor 8 drives the rack 2 and the wiring knife group 3 to move rightwards, the wiring knife group 3 synchronously pulls yarns 10 and yarns 11 rightwards, when an auxiliary yarn winding swing rod 1 arranged on the rack 2 moves to a swing rod track 6, the wiring knife group 3 starts to rotate, a rolling shaft sleeve 105 arranged on the auxiliary yarn winding swing rod 1 contacts a first inclined plane 601 of the swing rod track 6 at the moment, the rack 2 continues to move, the rolling shaft sleeve 105 ascends along the first inclined plane 601, the auxiliary yarn winding swing rod 1 swings rightwards according to the lever principle, and a yarn guide port 101 arranged on the auxiliary yarn winding swing rod 1 holds two yarns and pulls rightwards at the same time; the rack 2 continues to move, when the last 90-degree rotation of the wiring knife group 3 is completed, the rolling shaft sleeve 105 moves to the first platform 602, the yarn guide opening 101 arranged on the auxiliary yarn winding swing rod 1 pulls two yarns into the yarn cutting and clamping knife edge position of the wiring knife group 3, at the moment, the rolling shaft sleeve 105 slides in parallel on the first platform 602, the wiring knife group 3 continues to complete the rotation, and the yarns are completely contained in the knife edge; the rack 2 continues to move rightwards, when the wiring knife group 3 cuts yarns, the rolling shaft sleeve 105 contacts the second inclined surface 603 and ascends along the second inclined surface 603, so that the auxiliary yarn winding swing rod 1 continues to pull the yarns rightwards to swing, the yarns are cut in an auxiliary mode, and the yarn tension is increased for the yarns to be cut. After the yarn cutting is finished, the rolling shaft sleeve 105 moves to the second platform 604, the auxiliary yarn winding swing rod 1 stops swinging, the auxiliary work is finished, and at the moment, the wiring knife group 3 finishes the complete knotting process of two yarns, so that the two yarns are knotted into one yarn.

The specific working process is as follows:

yarn feeding fingers 9 arranged on a shell 7 are respectively penetrated with yarns, yarns 10 in the yarn feeding fingers 901 are yarns in use, when the yarns need to be changed, the yarn feeding fingers 901 are retracted, the yarn feeding fingers 902 extend out to enable the yarns 10 and the yarns 11 to form intersection at the back of a binding knife group 3, as shown in figure 13, at this time, a driving motor 8 drives a rack 2 and the binding knife group 3 to move rightwards, the binding knife group 3 synchronously pulls the yarns 10 and the yarns 11 rightwards, as shown in figure 14, when an auxiliary yarn winding swing rod 1 arranged on the rack 2 moves to a swing rod track 6, the binding knife group 3 starts to rotate, at this time, a rolling shaft sleeve 105 arranged on the auxiliary yarn winding swing rod 1 contacts a first inclined surface 601 of the swing rod track 6, as shown in figure 15, the rack 2 continues to move, the rolling shaft sleeve 105 ascends along the first inclined surface 601, the auxiliary yarn winding swing rod 1 swings rightwards according to the lever principle, at this time, a yarn guide port 101 arranged on the auxiliary yarn winding swing rod 1 holds two yarns, the rack 2 continues to move, when the last 90 degrees rotation of the binding knife group 3 is completed, the rolling shaft sleeve 105 moves to the first platform 602), as shown in fig. 16 and 17, the yarn guide opening 101 arranged on the auxiliary yarn winding swing rod 1 pulls two yarns into the yarn cutting and yarn clamping knife edge position of the binding knife group 3, at this time, the rolling shaft sleeve 105 slides in parallel on the first platform 602, the binding knife group 3 continues to complete the rotation, the yarns are completely contained in the knife edge, as shown in fig. 18, the rack 2 continues to move to the right, when the binding knife group 3 cuts yarns, the rolling shaft sleeve 105 contacts the second inclined surface 603 and climbs upwards along the second inclined surface 603, so that the auxiliary yarn winding swing rod 1 continues to pull the yarns to the right, the yarn tension is increased for the yarn cutting, so as to assist the yarn cutting, as shown in fig. 19 and 20, after the yarn cutting, the rolling shaft sleeve 105 moves to the second platform 604, as shown in fig. 21, the auxiliary yarn winding swing is stopped, the auxiliary work is completed, as shown in fig. 22, at this time, the binding knife group 3 has completed the complete knotting process of two yarns, so that two yarns are knotted into one yarn.

After the wiring operation is finished, the rack 2 and the wiring knife group 3 move leftwards to the initial position under the action of the driving motor 8, and in the process, the auxiliary yarn winding swing rod 1 returns to the set position along the track of the swing rod track 6 under the action of the tension spring 10.

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 scope of the present invention, which is defined in the appended claims.

Claims

1. The utility model provides an supplementary winding yarn mechanism, includes casing (7), is provided with on casing (7) respectively and feeds yarn finger (9), driving motor (8), and gear, rack (2), wiring knife tackle (3), knife tackle supporting seat (4), slide (5), its characterized in that are installed to driving motor (8) output axle head: the yarn winding device also comprises an auxiliary yarn winding swing rod (1), an extension spring (10) and a swing rod rail (6);

the auxiliary yarn winding swing rod (1) is respectively provided with a yarn guide port (101), a spring hook I (102), a rotary fixing shaft hole (103) and a swinging pin shaft (104), one end of the swinging pin shaft (104) is riveted on the auxiliary yarn winding swing rod, the other end of the swinging pin shaft (104) is sleeved with a rolling shaft sleeve (105), and the rolling shaft sleeve (105) is limited on the swinging pin shaft (104) through a shaft retaining ring;

the rack (2) is respectively provided with a connecting hole (201), an auxiliary yarn winding swing rod fixing hole (202), a swing rod limiting pin (203) and a spring hook II (204); the auxiliary yarn winding swing rod (1) is riveted at an auxiliary yarn winding swing rod fixing hole (202) of the rack (2) through a rivet, two ends of an extension spring (10) are hung on a spring hook I (102) of the auxiliary yarn winding swing rod (1) and a spring hook II (204) of the rack (2) respectively, and the auxiliary yarn winding swing rod (1) is stabilized at a swing rod limiting pin (203) through the tension of an extension spring (7);

the swing rod rail (6) is fixed on the shell (7), and a first inclined plane (601), a first platform (602), a second inclined plane (603) and a second platform (604) which are matched with a rolling shaft sleeve (105) on a swing pin shaft (104) of the auxiliary yarn winding swing rod (1) and are sequentially connected are arranged on the swing rod rail (6); in the process that the driving motor (8) drives the rack (2) and the wiring knife group (3) to move rightwards, the rolling shaft sleeve (105) moves along the swing rod track (6), so that two yarns to be knotted are held and pulled rightwards at the same time by the yarn guide opening (101) on the swing auxiliary yarn winding swing rod (1), and the yarns are fed into the knife edge and are cut in an auxiliary mode in the rotation process of the wiring knife group (3), and yarn tension is increased for yarn cutting.

2. The auxiliary winding mechanism according to claim 1, characterized in that: the middle part of the shell (7) is provided with a mounting hole, and the swing rod rail (6) is fixedly arranged at the mounting hole at the middle part of the shell (7) through a countersunk head screw.

3. The auxiliary winding mechanism according to claim 1, characterized in that: the wiring knife tackle (3) and the knife tackle supporting seat (4) are of an integral structure, a rack fixing hole (401) is formed in the knife tackle supporting seat (4), a rack (2) with an auxiliary yarn winding swing rod (1) is installed, a slide way (5) and the knife tackle supporting seat (4) are connected together through fastening screws and are installed on the shell (7) together, a driving motor (8) with a gear is installed on the shell (7), and the rack (2) and the gear on the driving motor (8) are meshed with each other.