CN220767330U

CN220767330U - Double-way switch knife of hosiery machine

Info

Publication number: CN220767330U
Application number: CN202322017349.3U
Authority: CN
Inventors: 赵镭
Original assignee: Zhuji Leierfu Machinery Technology Co ltd
Current assignee: Zhuji Leierfu Machinery Technology Co ltd
Priority date: 2023-07-31
Filing date: 2023-07-31
Publication date: 2024-04-12
Anticipated expiration: 2033-07-31

Abstract

The utility model discloses a double-way switch knife of a stocking machine, wherein two telescopic knife heads are arranged in a box body, one top end of each knife head is provided with an inclined plane extending upwards in the rotation direction of a needle cylinder, and the other top end of each knife head is provided with an inclined plane extending downwards in the rotation direction of the needle cylinder; after the cutter head is retracted, the cutter head is not related to jacquard needles, and knitting of a single-way yarn feeding mode can be performed, so that the two modes are very convenient to switch.

Description

Double-way switch knife of hosiery machine

Technical Field

The utility model belongs to the technical field of knitting machinery, in particular to a hosiery machine, and more particularly relates to a double-path switch knife of the hosiery machine.

Background

The hosiery machine can be divided into a single-path yarn feeding machine type and a double-path yarn feeding machine type according to different yarn feeding modes. More patterns can be woven by single-pass yarn feeding, and certain specific looping tissues can be finished by double-pass yarn feeding. The construction of a single-feed and double-feed hosiery machine differs mainly in the height of the needles, also called jacquard needle, and is described in the following in a simple background.

The core component of the hosiery machine is a needle cylinder, and the outer circumference of the needle cylinderA plurality of axial needle grooves are arranged on the surface, and various needles are placed in the needle grooves and do circular motion along with the rotation of the needle cylinder; during this circular motion, the needles are in relationship with other components of the periphery of the needle cylinder, thereby changing the position and state of the needles and completing the knitting action. In a typical hosiery machine, jacquard needles, guide needle pieces and knitting needles are arranged in a needle groove from bottom to top, and the guide needle pieces can be jacked by the up-and-down movement of the jacquard needles, so that the heights of the knitting needles are changed; the jacquard needle comprises a needle body, an elastic cantilever end is arranged on one side of the needle body facing the bottom of the needle groove, a convex upper needle butt and a convex lower needle butt are respectively arranged on one side of the needle body far away from the bottom of the needle groove, and one or more convex needle selecting teeth are arranged between the upper needle butt and the lower needle butt. For the single-feed sock knitting machine, the jacquard needle and the knitting needle have no great height change, and the jacquard needle and the knitting needle are in 360 DEG ⁰ The height of the needle selector is not greatly changed in the whole circular motion process, and only a plurality of fine adjustments are carried out under the action of the needle selector; whereas for hosiery machines with double feed, part of the circular movement, e.g. 180 of them ⁰ The needle height is significantly higher than the other 180 ⁰ Thereby introducing another yarn path for knitting with two-way yarn feeding. For a single-way yarn feeding machine, the whole periphery of the needle cylinder can be used for arranging needle selectors, more needle selectors can be used for changing jacquard needles so as to change the positions of knitting needles, and therefore, more patterns can be woven; the double-way yarn feeding machine needs to arrange a part for pushing the jacquard needle high, and the space on the periphery of the needle cylinder is necessarily occupied, so that the number of the needle selector which can be arranged is small, and the number of the pattern which can be woven is also small.

The double-way machine in the prior art comprises a needle cylinder, wherein a middle disc and a lower disc are arranged on the periphery of the needle cylinder, and the height between the middle disc and the lower disc corresponds to the height area of the needle cylinder where jacquard needles are arranged; the middle plate is provided with a knitting part, such as a looping triangle and the like, and the lower plate is provided with a plurality of needle selecting devices; the lower disc position is also provided with a jacquard push needle triangle which acts on the lower butt of the jacquard needle to enable the jacquard needle to rise, so that the effect that the jacquard needle is obviously higher than other areas is achieved as described in the upper section. Obviously, in the area where the jacquard push-stitch cams are arranged, no space is available for arranging the selector. Under this technical scheme, the jacquard push-needle triangle is a fixed and immovable part, and when the jacquard needle moves to this position, the jacquard push-needle triangle must move upwards; that is, even though the problem of the number of needle selectors is not considered, such a machine cannot be regarded as a single-way machine, and knitting cannot be performed in accordance with the logic of the single-way machine.

Disclosure of Invention

The utility model aims to provide a double-way switch knife of a hosiery machine, which is used for conveniently switching between two modes.

Therefore, the technical scheme adopted by the utility model is as follows: double-circuit switch knife of hosiery machine, its characterized in that: comprises a box body, at least one telescopic cutter head is arranged in the box body, and the top end of the cutter head is provided with an inclined plane extending upwards in the rotation direction of the needle cylinder.

Further, two retractable cutter heads are arranged in the box body, wherein the top end of one cutter head is provided with an inclined surface extending upwards in the rotation direction of the needle cylinder, and the top end of the other cutter head is provided with an inclined surface extending downwards in the rotation direction of the needle cylinder.

The tool bit is driven to do telescopic motion relative to the box body by the cylinder.

When the double-way yarn feeding mechanism works, the jacquard needle is pushed to rise to a high working position by utilizing the upward inclined plane of the cutter head, so that knitting in a double-way yarn feeding mode can be performed; after the cutter head is retracted, the cutter head is not related to jacquard needles, and knitting of a single-way yarn feeding mode can be performed, so that the two modes are very convenient to switch.

Drawings

Fig. 1 and 2 are schematic views of the overall structure of the present embodiment, in which fig. 1 is a schematic view of a two-way mode and fig. 2 is a schematic view of a one-way mode;

FIG. 3 is a schematic diagram of a two-way switch blade;

FIG. 4 is a schematic view of a jacquard needle;

FIG. 5 is a schematic view of a slider;

fig. 6, 7 and 8 are schematic diagrams of the matching states of the double-way switch knife, the jacquard needle and the guide pin sheet, and different matching relations of the double-way switch knife, the jacquard needle and the guide pin sheet are reflected from different angles.

The figures are labeled as follows: 1-a needle cylinder; 2-lower disc; 3-middle plate; 4-two-way switch blade; 40-knife switch box body; 41-a second cutter head; 411-upward slope; 42-first cutter head; 421-down ramp; 5-needle selector; 51-needle selector base; 6-jacquard needles; 60-needle body; 61-cantilever; 62-mounting a butt; 63-selecting needle teeth; 64-lower butt; 7-a guide pin sheet; 71-the lower end of the guide pin sheet.

Detailed Description

See fig. 1 and 2. The part of the sock machine comprises a needle cylinder 1, a lower disc 2 and a middle disc 3, wherein the circumferential outer surface of the needle cylinder 1 is provided with axial needle grooves, and each needle groove is internally provided with jacquard needles 6, a guide needle sheet 7 and knitting needles (not marked) from bottom to top; the lower disc 2 is provided with a plurality of needle selector seats 51, and a plurality of needle selectors 5 are arranged on the needle selector seats.

As can be seen by comparing fig. 1 and 2, in the state shown in fig. 1, i.e., in the double feed mode, the lower surface of the center plate 3 is provided with the double switch blade 4, and in the lower region thereof, the needle selector is not mounted on the needle selector seat 51. In the state shown in fig. 2, i.e. in the single feed mode, the two-way switch blade 4 is removed from under the central disc, and the needle selector 5 is mounted under it, and in fig. 2 more needle selectors are mounted than in fig. 1.

See fig. 3. The two-way switch blade 4 includes a case 40 in which a first blade 42 and a second blade 41 are telescopically received, and is driven by a cylinder (not shown) to perform telescopic movement with respect to the case. In the orientation shown in fig. 3, the needle cylinder and jacquard needles are moved from right to left, i.e. first past the first cutter head 42 and then past the second cutter head 41; the top end of the first cutter head 42 has a downward extending downward slope 421, and the top end of the second cutter head 41 has an upward extending upward slope 411.

See fig. 4. The jacquard needle 6 comprises a needle body 60, one side of the needle body facing the bottom of the needle groove is provided with an elastic cantilever end 61, one side of the needle body far away from the bottom of the needle groove is respectively provided with a convex upper butt 62 and a convex lower butt 64, and one or convex needle selecting teeth 63 are arranged between the upper butt and the lower butt. The jacquard needles are mounted in the needle grooves of the needle cylinder 5, the elastic cantilever ends 61 face the axis of the needle cylinder, and the convex parts on the other side can be exposed outside the needle grooves. The jacquard needles are a group, the needle selecting teeth of which have different heights and are arranged according to the height sequence of the needle selecting teeth.

See fig. 5. The slider 7 has a protruding lower end 71 protruding in the same direction as the protruding part of the jacquard needle.

See fig. 6-8. The jacquard needle 6 is arranged below each needle groove of the needle cylinder, the guide needle sheet 7 is arranged above each needle groove, and the jacquard needle and the guide needle sheet move along with the needle cylinder in a circular way and pass through the double-way switch knife 4; the lower edge surface of the slider lower end 71 and the upper edge surface of the jacquard upper butt 62 can be brought into contact with each other and exert a force against each other. The cylinder of the double-way switch blade pushes the first cutter head and the second cutter head out to a working position and intersects with the motion trail of the butt and the lower end of the guide needle sheet on the jacquard needle; when reaching the double-way switch blade, the jacquard needle is of indefinite height due to the different knitting requirements of the previous stroke, and therefore, is first in contact with the first cutter head 42, and its downward slope 421 acts on the slider lower end 71, pressing the slider 7 with the jacquard needle 6 down to the low working position. The needle cylinder then continues to rotate, the jacquard needle contacts the second cutter head 41, its ascending bevel 411 acting on the lower edge surface of the upper butt 62 of the jacquard needle, pushing the jacquard needle upwards with the slider to the high operating position. And then the jacquard needle and the guide needle piece continue to run at a high working position according to the prior art, and knitting of double-path yarn feeding is completed.

When the cutter head is retracted by the cylinder, the descending inclined plane and the ascending inclined plane can not contact any part of the needle, and the condition of the upper section does not occur, so that simple single-way yarn feeding knitting can be performed.

The double-way switch knife 4 is detached, and the full-scale needle selector 5 is arranged at the corresponding position, namely the state shown in fig. 2 is changed, so that the complete single-way yarn feeding mode can be realized.

Claims

1. Double-circuit switch knife of hosiery machine, its characterized in that: two telescopic cutter heads are arranged in the box body, wherein the top end of one cutter head is provided with an inclined plane extending upwards in the rotation direction of the needle cylinder, and the top end of the other cutter head is provided with an inclined plane extending downwards in the rotation direction of the needle cylinder.

2. The two-way switch blade of a hosiery machine according to claim 1, characterized in that: the tool bit is driven to do telescopic motion relative to the box body by the cylinder.