CN220788971U

CN220788971U - Triangle device of flat knitting machine and glove knitting machine

Info

Publication number: CN220788971U
Application number: CN202322370845.7U
Authority: CN
Inventors: 陈百祥; 王仁刚; 俞永保; 冯建明; 金建平; 李海
Original assignee: Zhejiang Baixiang Technology Co ltd
Current assignee: Zhejiang Baixiang Technology Co ltd
Priority date: 2023-04-28
Filing date: 2023-08-31
Publication date: 2024-04-16
Anticipated expiration: 2033-08-31
Also published as: CN117144550A; CN117144545A; CN116623353A

Abstract

The utility model relates to a cam device of a flat knitting machine and a glove knitting machine, wherein each cam of the cam device of the flat knitting machine can move independently, a first needle lifting cam, a second needle lifting cam, a middle cam and an elastic cam can independently stretch and retract along the thickness direction of a cam base plate, the thickness direction of the cam base plate is provided with two positions with two heights, the combination of different positions of different cams can meet different knitting requirements, the glove knitting machine can realize modes including but not limited to bidirectional full-mesh knitting, bidirectional stitch knitting, unidirectional elastic knitting, unidirectional full-mesh knitting, unidirectional eye-hanging knitting and the like, knitting density and needle pressing height can be adjusted, flexible switching of a plurality of knitting modes can be realized simply, the productivity of the glove knitting machine is greatly improved, and the production flexibility and the diversity are enriched.

Description

Triangle device of flat knitting machine and glove knitting machine

Technical Field

The utility model relates to the technical field of computer knitting, in particular to a triangle device of a flat knitting machine and a glove knitting machine.

Background

The participation of the guide needle head assembly in the conventional knitting glove machine on the market in knitting is divided into three types: 1. knitting from the rubber triangle; 2. knitting from a needle lifting cam; 3. the reverse direction is used for sealing and braiding, the structure is basically only two, and the first is that: only has the function of forward needle lifting, and the reverse needle lifting is only used for sealing. In the forward needle lifting process, the moving track of the needle stitch is as follows: firstly, rising along the inclined plane of the rubber band triangle until reaching the highest point, then falling to the bottom of the rubber band triangle along the inclined plane of the rubber band density triangle, then rising to the highest point along the inclined plane of the forward needle raising triangle, then falling along the triangle track, continuing to fall to the bottom of the triangle along the inclined plane of the forward density triangle after falling to the position of the forward density triangle, and completing one-way knitting of knitting rubber band firstly and then knitting yarn.

Second kind: meanwhile, the knitting glove machine has the functions of forward needle lifting and reverse needle lifting, and is called a jacquard glove machine or a computerized flat knitting machine in the industry. If the reverse lifting is performed after the forward lifting in the same knitting course, the moving track of the needle stitch is: after passing through the bottom of the elastic density triangle, the motion is performed through the bottom of the reverse density triangle. Although the reverse needle lifting can be realized in the working mode, the descending amplitude of the knitting needle for feeding the elastic threads is increased, and then the elastic threads are broken or the size and the tightness of the rib parts of the glove are uncontrollable.

Therefore, the knitting glove machine in industry generally does not implement the reverse needle lifting working mode when knitting rib parts, and even if the reverse needle lifting is needed, the following modes are adopted:

1. knitting of the elastic thread is not performed in the same knitting course in which the reverse lift is performed (industry term is called tuck);

2. if the knitting of the elastic thread is required to be considered in the reverse knitting process, in order to prevent the elastic thread from breaking or affecting the knitting quality of the rib part, the reverse density cam can only be greatly adjusted to ensure that the bottom of the reverse density cam and the bottom of the elastic thread cam reach the same height, so that the descending amplitude of the knitting needle with the elastic thread can not be changed by the reverse density cam. However, this causes a high knitting density of the yarn in the course, and normal knitting cannot be achieved.

In summary, in the conventional glove knitting machine or flat knitting machine, the reverse stitch knitting and the knitting of the elastic cord are not performed in the same knitting course of the knitted rib portion, so that the conventional glove knitting machine or flat knitting machine cannot be well applied to the processing mode of the bidirectional synchronous knitting. Aiming at the problem, the Chinese patent application number 202210746452.9 discloses a guide needle head assembly suitable for bidirectional knitting of a glove rib part, which comprises a mounting plate and a guide needle assembly arranged on the mounting plate, wherein the guide needle assembly comprises an elastic guide needle structure, a yarn guide needle structure and the like, and when the rib part of the glove is knitted by a knitting glove machine, the guide needle head assembly is improved, so that the forward needle lifting and the reverse needle lifting can be realized at the same time, and the productivity of the knitting glove machine is greatly improved.

However, the technical scheme can not flexibly switch between bidirectional knitting and single-sided knitting due to the limitation of the structure of the technical scheme, and still has the problem that the glove processing efficiency can not be improved well; and the knitted elastic thread can only participate in the knitting of the yarns in the next row, so that the stress channel and the stress time of the elastic thread are greatly prolonged, the elastic thread is easily broken and jumped due to long-term stress, the knitting effect of the elastic thread is affected, and the knitting efficiency is reduced.

Disclosure of Invention

The technical problem to be solved by the utility model is to overcome the defects in the prior art, so as to provide a triangle device of a flat knitting machine and a glove knitting machine.

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

a cam device of a flat knitting machine comprises a cam base plate, a yarn guide needle mechanism and an elastic band guide needle mechanism which are arranged on one end surface of the cam base plate,

the yarn guide needle mechanism comprises a middle triangle, a knitting needle triangle, a first needle lifting triangle, a second needle lifting triangle, a first density triangle and a second density triangle, wherein the middle triangle is arranged in the middle of the triangle base plate, the first needle lifting triangle is arranged on one side of the middle triangle, the second needle lifting triangle is arranged on the other side of the middle triangle,

the first needle starting triangle can independently stretch and retract along the thickness direction of the triangle bottom plate and has a full height position and a flush position, and the first density triangle can move along a through chute at one side of the middle triangle;

the second needle lifting triangle can independently stretch and retract along the thickness direction of the triangle bottom plate, and the second density triangle can move along a through chute at the other side of the middle triangle;

The middle triangle can independently stretch and retract along the thickness direction of the triangle bottom plate and has a full height position and a half height position;

the rubber band guide needle mechanism is arranged on one side, far away from the middle triangle, of the second needle lifting triangle and comprises a rubber band triangle and a rubber band guide triangle, and the rubber band triangle can independently stretch and retract along the thickness direction of the triangle bottom plate and has a half-height position and a flush position.

Preferably, the first needle lifting cam, the first density cam, the knitting needle cam, the second needle lifting cam, the second density cam and the middle cam at the full-height position form a first bi-directional needle guide channel;

the first needle lifting cam, the first density cam, the knitting needle cam, the second needle lifting cam, the second density cam and the middle cam at the half-height position form a second bidirectional needle guiding channel;

the second needle lifting cam, the middle cam at the full-height position, the knitting needle cam and the first density cam form a first unidirectional guide needle channel;

the rubber band triangle at the half-height position, the second needle lifting triangle, the middle triangle and the first density triangle form a second unidirectional needle guide channel which is woven with rubber bands and then yarns.

Preferably, when the rubber triangle is in a flush position, the projection of the second density triangle in the thickness direction of the triangle base plate overlaps with the projection of the rubber triangle in the thickness direction of the triangle base plate;

the second density triangle moves along the through chute on the triangle bottom plate, so that the projection of the second density triangle on the thickness direction of the triangle bottom plate is staggered with the projection of the rubber band triangle on the thickness direction of the triangle bottom plate, and the rubber band triangle can be lifted to a half-height position.

Preferably, the cam device of the flat knitting machine further comprises a first back needle assembly and a second back needle assembly, wherein the first back needle assembly and the second back needle assembly are arranged on two sides of the yarn guide needle mechanism;

the first needle return assembly is provided with a first needle return path, the second needle return assembly is provided with a second needle return path, and the highest positions of the first needle return path and the second needle return path are higher than the knitting needle triangle, so that the heights of the knitting needle butts in return are the same.

Preferably, the second loop component comprises a second loop structure arranged on the top surface of the elastic guide triangle, and the height of the top surface is not higher than that of the second loop structure when the second density triangle is positioned at the highest position.

Preferably, the second needle return structure comprises a first needle lifting surface, a second needle return surface and a second needle lifting surface, the second needle return surface is a plane with the same height, the first needle lifting surface and the second needle lifting surface are both provided with a high end and a bottom end, and the high end of the first needle lifting surface and the high end of the second needle lifting surface are respectively connected with two ends of the second needle return surface.

Preferably, the included angle between the connecting line between the high end and the low end of the first needle lifting surface and the second needle returning surface is 15-40 degrees, and the included angle between the connecting line between the high end and the low end of the second needle lifting surface and the second needle returning surface is 15-40 degrees.

Preferably, a needle pressing triangle is arranged on one side of the triangle bottom plate, which is close to the first density triangle, or on the other side of the triangle bottom plate, which is close to the rubber band guiding triangle, and the needle pressing triangle is vertically arranged on a needle pressing chute on the triangle bottom plate in a lifting manner and is abutted to the side wall of the first density triangle or the rubber band guiding triangle.

Preferably, the cam device of the flat knitting machine further comprises a cam control mechanism arranged on the other end face of the cam base plate, wherein the cam control mechanism comprises a first control assembly for controlling the first stitch cam and the middle cam in a linkage manner, a second control assembly for controlling the first density cam and the stitch pressing cam in a linkage manner, and a third control assembly for controlling the second density cam and the rubber band cam in a linkage manner.

Preferably, the first needle lifting triangle comprises a first pin which is positioned on the back surface and penetrates through the triangle bottom plate, the first control component comprises a first needle lifting pushing foot which is rotationally connected with the back surface of the triangle bottom plate, one end of the first needle lifting foot, which is close to the first pin, is provided with a first inclined surface, the first pin comprises a first abutting part which can extend onto the first needle lifting foot,

the first needle pushing foot rotates, so that the first inclined surface can be inserted between the first abutting part and the back surface of the triangle bottom plate, the first abutting part is pushed to the highest position of the first needle pushing foot, and the first needle triangle is located at the flush position.

Preferably, a first reset spring which enables the first needle cam to have a trend of resetting from a flush position to a full-height position is arranged between the first pin and the back surface of the cam base plate;

and the first needle pushing foot and the back surface of the triangular bottom plate are connected with a second reset spring which enables the first needle pushing foot to have a trend of returning to the initial position.

Preferably, the middle triangle comprises a second pin which is positioned on the back and penetrates through the triangle bottom plate, and the first control component comprises a half-needle pushing foot; the half needle pushing foot is rotationally connected with the back surface of the triangle bottom plate, one end of the half needle pushing foot, which is close to the second pin, is provided with a second inclined surface and a first high surface, the second pin comprises a second abutting part which can extend onto the half needle pushing foot,

The half needle pushing foot rotates, so that the middle triangle is positioned at the full-height position when the second abutting part is tangent to the second inclined plane or separated from the second inclined plane; when the second abutting portion is in contact with the first high surface, the middle triangle is located at a half-height position.

Preferably, the half needle pushing foot further comprises a third inclined plane and a first concave plane, the second inclined plane and the third inclined plane are arranged in a back-to-back mode, the first high plane is connected with the highest position of the second inclined plane and the highest position of the third inclined plane to form a first boss, the lowest position of the third inclined plane is connected with the first concave plane to form a first groove, the second abutting part is located at the first groove, the middle triangle is located at the full-height position, the second abutting part is located at the first boss, and the middle triangle is located at the half-height position.

Preferably, a third return spring for enabling the middle triangle to have a trend of returning from the half height position to the full height position is arranged between the second pin and the back surface of the triangle bottom plate;

and a fourth reset spring which enables the half needle pushing foot to have a trend of returning to the initial position is connected between the half needle pushing foot and the back surface of the triangle bottom plate.

Preferably, the back of the triangle bottom plate is provided with a first sliding seat which is connected with the first density triangle and used for driving the first density triangle to move along the through chute, and a second sliding seat which is communicated with the needle pressing triangle and used for driving the needle pressing triangle to move along the needle pressing chute,

the second control assembly comprises a first density pushing foot and a connecting rod, one end of the first density pushing foot is rotationally connected with the triangular bottom plate, the other end of the first density pushing foot is rotationally connected with the first sliding seat, one end of the connecting rod is rotationally connected with the first density pushing foot, and the other end of the connecting rod is rotationally connected with the second sliding seat.

Preferably, the back surfaces of the first sliding seat and the triangle bottom plate are provided with fifth return springs which enable the first sliding seat to have a trend of returning to an initial position;

and a sixth reset spring which enables the second sliding seat to have a trend of returning to the initial position is arranged on the back surfaces of the second sliding seat and the triangular bottom plate.

Preferably, the back of the triangle bottom plate is fixed with a mounting seat, the back of the rubber string triangle is provided with a third pin penetrating out of the mounting seat, and the side surface of the third pin extends out of a third abutting part;

The back of the triangular bottom plate is provided with a third sliding seat which is connected with the second density triangle and used for driving the second density triangle to move along the through chute, and one end, close to the mounting seat, of the third sliding seat is connected with a pressing block with an inclined surface;

the third control assembly comprises a second density pushing foot, one end of the second density pushing foot is rotationally connected with the triangular bottom plate, the other end of the second density pushing foot is connected with the pressing block or the third sliding seat, and the second density pushing foot can rotate relative to the triangular bottom plate so as to drive the third sliding seat to be close to or far away from the mounting seat;

the third sliding seat is far away from the mounting seat, the abutting part is shifted to a low position from the high position of the inclined surface, and the rubber band triangle is shifted to a half-high position from the flush position;

the third sliding seat is close to the mounting seat, the abutting part moves from the low displacement of the inclined plane to the high position, and the rubber band triangle moves from the half-high position to the flush position.

Preferably, a seventh return spring for enabling the third sliding seat to have a trend of returning to the initial position is connected to the third sliding seat;

an eighth reset spring which has a trend of pushing the rubber band triangle from the flush position to the half-height position is arranged between the rubber band triangle and the mounting seat.

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

the glove knitting machine comprises two needle beds which are arranged at intervals relatively along the knitting direction, at least two yarn mouths which are arranged above the needle beds, and two triangular devices, wherein one triangular device is arranged corresponding to one needle bed, the other triangular device is arranged corresponding to the other needle bed, and the two triangular devices can respectively reciprocate along the same knitting direction at the needle beds and are matched with at least one yarn mouth for knitting.

Preferably, a cam control driving mechanism corresponding to the cam control mechanism in the cam device is arranged below the needle bed,

the cam control mechanism comprises a first control component for controlling the first stitch cam and the middle cam in a linkage way, a second control component for controlling the first density cam and the needle pressing cam in a linkage way, and a third control component for controlling the second density cam and the rubber band cam in a linkage way;

the triangular control driving mechanism comprises a first driving component and a second driving component, and the first driving component is in transmission connection with the first control component and the third control component; the second driving component is in transmission connection with the second control component.

Preferably, the first driving assembly comprises a first motor, a first ejector rod, a second ejector rod, a first cam and a second cam, the first motor drives the first cam to rotate, so that the first ejector rod has a first rest position and at least one driving position, and the first ejector rod can drive a first needle pushing foot and a half needle pushing foot of the first control assembly when being positioned at the driving position;

the first motor drives the second cam to rotate, so that the second ejector rod has a second rest position and at least one driving range, and the second ejector rod can drive the first density pushing pins of the second control assembly when being positioned in the driving range.

Preferably, the driving position of the first ejector rod comprises a first driving position and a second driving position,

when the first ejector rod is positioned at the first rest position, the first ejector rod is contacted with the first needle pushing foot and the half needle pushing foot and enables the first needle pushing foot and the half needle pushing foot to be positioned at initial positions, the first needle lifting triangle is positioned at a full-height position, and the middle triangle is positioned at the full-height position;

when the first ejector rod is positioned at the first driving position, pushing the first needle pushing foot and the half needle pushing foot, enabling the first needle pushing foot to be close to a first abutting part, enabling a first high surface of the half needle pushing foot to abut against a second abutting part, enabling a first needle cam to be at a full-height position, and enabling a middle cam to be at a half-height position;

When the first ejector rod is positioned at the second driving position, the first needle pushing foot and the half needle pushing foot are pushed, the high surface of the first needle pushing foot is abutted to the first abutting part, the first concave surface of the half needle pushing foot is abutted to the second abutting part, the first needle pushing triangle is positioned at the flush position, and the middle triangle is positioned at the full-height position.

Preferably, the first cam is provided with a first curved slot which can enable the first ejector rod to reach the first rest position, the first driving position and the second driving position;

the first ejector rod is provided with a first chute and a first protrusion, a central shaft of the first cam penetrates through the first chute, the first protrusion is arranged in the first curved groove, the first motor rotates to enable the first protrusion to move along the first curved groove so as to change the relative position of the first protrusion and the central shaft of the first cam, and the first ejector rod is driven to move among the first rest position, the first driving position and the second driving position.

Preferably, the driving range of the second ejector rod comprises a first driving range and a second driving range,

When the second ejector rod is positioned at the second rest position, the second ejector rod is contacted with the first density pushing foot and enables the first density pushing foot to be positioned at an initial position, and the first density triangle and the needle pressing triangle are positioned at the original position;

when the second ejector rod is positioned in the first driving range, the first density pushing feet are pushed, the first density triangle moves along the penetrating chute, and the needle pressing triangle moves in a non-working range;

when the second ejector rod is positioned in the second driving range, the first density pushing feet are pushed, the first density triangle moves along the penetrating chute, and the needle pressing triangle moves in the working range.

Preferably, the second cam is provided with a second curved groove which can enable the second ejector rod to reach the second rest position, the first driving range and the second driving range,

the second ejector rod is provided with a second chute and a second bulge, a central shaft of the second cam passes through the second chute, the second bulge is arranged in the second curve groove, the first motor rotates to enable the second bulge to move along the second curve groove so as to change the relative position of the second bulge and the central shaft of the second cam, and the second ejector rod is driven to move among the second rest position, the first driving range and the second driving range.

Preferably, a first alignment hole is formed in the initial end of the first curved groove, a second alignment hole is formed in the initial end of the second curved groove, and the first alignment hole is collinear with the central line of the first cam and the central line of the second alignment hole is collinear with the central line of the second cam.

Preferably, the first curved groove comprises a curved section a1, a curved section a2, a curved section a3, a curved section a4 and a curved section a5 which are communicated in sequence from the beginning to the end,

the second curved groove comprises a curved section b1, a curved section b2, a curved section b3, a curved section b4 and a curved section b5 which are communicated in sequence from the beginning to the end, and

the curve section a1 corresponds to the curve section b1, so that the second ejector rod is positioned in the second driving range when the first ejector rod is positioned in the second driving position;

the curve segment a2 corresponds to the curve segment b2, such that the second ejector rod is located at the second rest position when the first ejector rod moves between the second driving position and the first driving position;

the curve section a3 corresponds to the curve section b3, so that the second ejector rod is positioned at the second rest position when the first ejector rod is positioned at the first driving position;

The curve segment a4 corresponds to the curve segment b4 such that the second ram is in the second rest position when the first ram is moved between the first drive position and the first rest position;

the curve segment a5 corresponds to the curve segment b5 such that the second jack is located in the first drive range when the first jack is located in the first rest position.

Preferably, the second driving assembly comprises a second motor, a third ejector rod and a third cam, the second motor drives the third cam to rotate, so that the third ejector rod has a third rest position and at least one working position, and the third ejector rod can drive the second density pushing pins of the third control assembly when being located at the working position.

Preferably, the working position of the third ejector rod comprises a first working range, a first working position and a second working position,

when the third ejector rod is positioned at the third rest position, the third ejector rod is contacted with the second density pushing foot and enables the second density pushing foot to be positioned at an initial position, the second density triangle is positioned at the original position, and the rubber band triangle is positioned at the flush position;

when the third ejector rod is positioned in the first working range, pushing the second density pushing feet to enable the second density pushing feet to move along the penetrating chute, enabling the second density triangle to move in the density adjusting range, and enabling the rubber band triangle to be positioned in the flush position;

When the third ejector rod is positioned at the first working position, the second density pushing feet are pushed to enable the second density pushing feet to move along the penetrating chute, the second density triangle exceeds the density adjusting range, and the rubber band triangle is positioned at the half-height position;

when the third ejector rod is positioned at the second working position, the rubber band triangle is positioned at the half-height position, and the second density triangle and the rubber band triangle form a rubber band guide needle channel for limiting the rubber band height.

Preferably, the third cam is provided with a third curved slot enabling the third ejector rod to be guided to the third rest position, the first working range, the first working position and the second working position,

the third ejector rod is provided with a third chute and a third protrusion, a central shaft of the third cam passes through the third chute, the third protrusion is arranged in the third curved slot, the second motor rotates to enable the third protrusion to move along the third curved slot so as to change the relative position of the third protrusion and the central shaft of the third cam, and the third ejector rod is driven to move among the third rest position, the first working range, the first working position and the second working position.

Compared with the prior art, the utility model has the beneficial effects that:

according to the triangular device, the glove knitting machine and the knitting method of the flat knitting machine, each triangular of the triangular device of the flat knitting machine can move independently, the first needle lifting triangular, the second needle lifting triangular, the middle triangular and the rubber string triangular can stretch and retract independently along the thickness direction of the triangular bottom plate, two high positions are arranged in the thickness direction of the triangular bottom plate, different positions of different triangles are combined, different knitting requirements can be met, the glove can achieve modes including, but not limited to, bidirectional full-mesh knitting, bidirectional stitch knitting, unidirectional rubber string knitting, unidirectional full-mesh knitting, unidirectional stitch knitting and the like, knitting density and needle pressing height can be adjusted, flexible switching of a plurality of knitting modes can be achieved simply, production flexibility and diversity of the glove knitting machine are greatly improved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic view of a structure in which two cam devices according to an embodiment of the present utility model are mounted on a needle bed, wherein the two cam devices are offset in stroke.

Fig. 2 is a schematic front view of one of the triangle apparatuses according to the embodiment of the present utility model.

Fig. 3 is a schematic back view of one of the triangle devices according to the embodiment of the present utility model.

Fig. 4 is a schematic front view of another delta arrangement according to an embodiment of the present utility model.

Fig. 5 is a schematic back view of another delta arrangement according to an embodiment of the present utility model.

Fig. 6 is a schematic diagram illustrating the cooperation of the first control component with the first needle cam and the middle cam according to an embodiment of the present utility model.

Fig. 7 is a schematic structural diagram of a second link according to an embodiment of the present utility model.

Fig. 8 is a schematic diagram illustrating the cooperation between the third control component and the second density triangle and the elastic triangle according to an embodiment of the present utility model.

Fig. 9 is a schematic structural view of a third sliding seat and a pressing block according to an embodiment of the present utility model.

Fig. 10 is a schematic structural diagram of an elastic triangle according to an embodiment of the present utility model.

Fig. 11 is a schematic top view of a first drive mechanism and a second drive assembly according to an embodiment of the utility model.

Fig. 12 is a schematic diagram illustrating the cooperation of the first driving mechanism and the second driving assembly with the triangle device according to the embodiment of the present utility model.

Fig. 13 is a schematic structural view of a first cam and a first ejector rod according to an embodiment of the present utility model.

Fig. 14 is a schematic view of a first curved slot on a first cam according to an embodiment of the present utility model.

Fig. 15 is a schematic structural view of a second cam and a second ejector rod according to an embodiment of the present utility model.

Fig. 16 is a schematic view of a second curved slot in a second cam in accordance with an embodiment of the present utility model.

Fig. 17 is a schematic diagram illustrating the cooperation between the first driving mechanism and the cam device according to the embodiment of the present utility model, wherein the first ejector rod is located at the second driving position, and the second ejector rod is located at the second rest position.

Fig. 18 is a top view schematic of the first stitch cam and the intermediate cam of fig. 17, wherein the intermediate cam is in a full height position and the first stitch cam is in a flush position.

Fig. 19 is a schematic diagram illustrating the cooperation between the first driving mechanism and the triangle device according to an embodiment of the present utility model, wherein the first ejector rod is located at the second driving position, and the second ejector rod is located at the highest position of the second driving range.

Fig. 20 is a schematic diagram illustrating the cooperation between the first driving mechanism and the cam device according to an embodiment of the present utility model, wherein the first ejector rod is located at the first driving position, and the second ejector rod is located at the second rest position.

FIG. 21 is a top view of the first cam and the middle cam of FIG. 20, wherein the middle cam is in a half-height position and the first cam is in a full-height position.

Fig. 22 is a schematic diagram illustrating the cooperation between the first driving mechanism and the cam device according to the embodiment of the present utility model, wherein the first ejector rod is located at the first rest position, and the second ejector rod is located at the second rest position.

FIG. 23 is a top view of the first cam and the intermediate cam of FIG. 22, wherein the intermediate cam is in the full height position and the first cam is in the full height position.

Fig. 24 is a schematic diagram illustrating the cooperation between the first driving mechanism and the cam device according to the embodiment of the present utility model, wherein the first ejector rod is located at the first rest position, and the second ejector rod is located in the first driving range.

Fig. 25 is a schematic structural view of a second driving mechanism according to an embodiment of the present utility model.

Fig. 26 is a schematic diagram illustrating the cooperation between the third control assembly and the second driving assembly according to the embodiment of the present utility model, where 26a is the first ejector pin in the first rest position, the second density cam is in the initial position, the rubber string cam is in the flush position, 26b is the first ejector pin in the first driving position, the second density cam is far away from the rubber string cam along the through chute on the cam base plate, and the rubber string cam is in the half-height position.

Reference numerals illustrate:

1. a first guide pin head; 2. a second guide pin machine head;

10. a triangular bottom plate; 101. a through chute; 102. a needle pressing chute; 103. a first sliding seat; 104. a second sliding seat; 105. a fifth return spring; 106. a sixth return spring; 107. a third sliding seat; 108. a seventh return spring; 109. a mounting base;

11. a middle triangle; 111. a second pin; 112. a second abutting portion; 113. a third return spring;

12. a first needle cam; 121. a first pin; 122. a first abutting portion; 123. a first return spring;

13. a second needle lifting triangle;

14. a first density triangle;

15. a second density triangle; 151. a first guide block;

16. rubber triangle; 161. a third pin; 162. a third abutting portion; 163. an eighth return spring; 164. a body; 165. a triangular part; 166. an outer edge portion; 167. a needle side wall; 168. a limiting block;

17. rubber band guiding triangle; 171. A second guide block;

18. needle pressing triangle; 19. Knitting needle cam;

20. a first return needle assembly; 21. a first return needle path; 22. a first return needle cam; 221. a first needle return surface; 222. a first guide surface; 223. a second guide surface; 23. a first needle blocking triangle; 231. a first needle blocking surface; 232. a first guide surface; 233. a second guide surface; 24. a concave surface;

30. A second return needle assembly; 31. a second return needle path; 32. a first needle lifting surface; 33. a second needle return surface; 34. a second needle lifting surface; 35. a second needle blocking triangle;

40. knitting needles; 41. a needle jack butt; 42. a needle return butt;

50. a first control assembly; 51. the first needle pushing foot; 511. a first inclined surface; 512. a first pushing member; 513. a second return spring; 52. a half needle pushing foot; 521. a second pushing member; 522. a second inclined surface; 523. a first elevation surface; 524. a third inclined surface; 525. a first concave surface; 526. a fourth return spring;

60. a second control assembly; 61. first density pushing feet; 611. a third pushing member; 62. a third link;

70. a third control assembly; 71. second density pushing feet; 711. a fourth pushing member; 712. a first link; 713. a second link; 72. briquetting; 721. a fourth inclined surface;

80. a first drive assembly; 81. a first motor; 82. a first cam; 821. a first curvilinear slot; 822. a first alignment hole; 83. a second cam; 831. a second curvilinear slot; 832. a second alignment hole; 84. a first ejector rod; 841. a first protrusion; 842. a first chute; 85. a second ejector rod; 851. a second protrusion; 852. a second chute;

90. A second drive assembly; 91. a second motor; 92. a third cam; 921. a third curvilinear slot; 93. a third ejector rod; 931. a third protrusion; 932. and a third chute.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1 to 6, the embodiment of the present utility model provides a cam device of a flat knitting machine, which is used for knitting a fabric in cooperation with a needle bed, and when applied to a glove knitting machine, generally includes cam devices of two flat knitting machines, which are respectively referred to as a first needle head 1 and a second needle head 2, the first needle head 1 is used for knitting a first face of a glove, the second needle head 2 is used for knitting a second face of the glove, and when the first needle head 1 and the second needle head 2 are disposed on the needle bed, the front face of the cam faces the needle bed, and can perform a reciprocating knitting motion in the same direction along the knitting direction to simultaneously knit the first face and the second face; the first face and the second face are oppositely arranged in a knitting state, the corresponding first guide needle machine head 1 and the corresponding second guide needle machine head 2 are also oppositely arranged, when the knitting machine is applied to knitting equipment, the knitting equipment comprises two needle beds which are oppositely arranged at intervals, the two needle beds respectively extend along the knitting direction, the first guide needle machine head 1 corresponds to one needle bed for knitting the first face, and the second guide needle machine head 2 corresponds to the other needle bed for knitting the second face. The first face includes a plurality of first coil lines that connect gradually vertically, and every first coil line is including a plurality of first coils that connect gradually transversely, and the second face includes a plurality of second coil lines that connect gradually vertically, and every second coil line is including a plurality of second coils that connect gradually transversely. It is noted that, in this embodiment, the vertical direction may be a direction perpendicular to the horizontal plane, or a direction not perpendicular to the horizontal plane, and the horizontal direction may be a horizontal direction, or a non-horizontal direction, and an angle between the vertical direction and the horizontal direction may be a right angle, or a non-right angle. When the first guide needle machine head 1 and the second guide needle machine head 2 do reciprocating knitting motion in the same direction along the knitting direction, the first guide needle machine head 1 and the second guide needle machine head 2 can be synchronous, so that seam knitting is carried out, the first guide needle machine head 1 and the second guide needle machine head 2 stitch the end parts of the first surface and the second surface, the first guide needle machine head 1 and the second guide needle machine head 2 set a stroke in a dislocation mode, the corresponding surfaces are independently knitted, the first guide needle machine head 1 independently weaves the first surface, the second guide needle machine head 2 independently weaves the second surface, and then the edge joints are connected, and the side edges of the first surface and the second surface are connected together. The knitting directions include a first knitting direction and a second knitting direction that are parallel and opposite in direction, the knitting direction being a knitting direction of the glove knitting machine, typically a left-to-right or right-to-left direction when the user is facing the glove knitting machine.

In order to achieve the knitting function of the first guide needle machine head 1 and the second guide needle machine head 2, the triangular device comprises a triangular bottom plate 10, a yarn guide needle mechanism and an elastic thread guide needle mechanism, wherein the yarn guide needle mechanism and the elastic thread guide needle mechanism are arranged on one end face of the triangular bottom plate 10, and are used for knitting fingers and palm parts of a glove, and the elastic thread guide needle mechanism and the yarn guide needle mechanism are matched with the rib mouth parts of the knitted glove. Specifically, the yarn guide mechanism includes a middle cam 11, a knitting needle cam 19, a first knitting needle cam 12, a second knitting needle cam 13, a first density cam 14, and a second density cam 15, the middle cam 11 is disposed in the middle of the cam base 10, the first knitting needle cam 12 is disposed on one side of the middle cam 11, the second knitting needle cam 13 is disposed on the other side of the middle cam 11, the middle cam 11 is also called a middle cam, which functions as a thimble, the knitting needle cam 19 is also called a herringbone cam, which functions as a highest position of the knitting needle 40, and guides the knitting needle 40, the first knitting needle cam 12 and the second knitting needle cam 13 are both knitting needle cams, when the front faces of the cams in the cam device face the user, as shown in fig. 2, the middle cam 11 is disposed in the middle of the cam base 10, the knitting needle cam 19 is disposed above the middle cam 11 and is disposed at a spacing, the third knitting needle cam 12 is disposed on the left side of the middle cam 11, and thus may also be called a left knitting needle cam, the first density cam 14 is correspondingly disposed above the third knitting needle cam 12, which may also called a left knitting needle cam, and the second density cam 13 may be correspondingly disposed on the right side of the middle cam 13, and thus may be called a right needle cam 13.

In this embodiment, the first stitch cam 12 can independently stretch and retract along the thickness direction of the cam base plate 10, has a full height position and a flush position, and the first density cam 14 can move along the through chute 101 on one side of the middle cam 11; the second needle raising cam 13 can independently stretch and retract along the thickness direction of the cam base plate 10, and the second density cam 15 can move along the through chute 101 on the other side of the middle cam 11; the middle triangle 11 can independently stretch and retract along the thickness direction of the triangle bottom plate 10 and has a full height position and a half height position; therefore, a plurality of knitting modes can be combined, and the switching between unidirectional knitting and bidirectional knitting can be easily realized.

The rubber band guide needle mechanism in the triangular device in the embodiment is used for realizing rubber band knitting through being matched with the yarn guide needle mechanism, the rubber band guide needle mechanism is arranged in the first guide needle machine head 1 and the second guide needle machine head 2, the rubber band guide needle mechanism is arranged on one side, far away from the middle triangular 11, of the second needle lifting triangular 13 and comprises a rubber band triangular 16 and a rubber band guide triangular 17, the rubber band triangular 16 can stretch and retract independently along the thickness direction of the triangular bottom plate 10, the rubber band guide needle mechanism is provided with a half-height position and a flush position, more knitting modes are realized through being matched with the yarn guide needle mechanism, and when rubber band knitting is needed, the rubber band is difficult to break or jump in order to knit into a mode of knitting yarn after knitting rubber band.

The flush position of the present embodiment means that the front surface of the triangle is flush with the front surface of the triangle base plate 10, and it should be noted that, in actual installation, the front surface of the triangle cannot be completely flush with the front surface of the triangle base plate 10 due to machining errors or assembly errors, and the flush position is substantially flush with acceptable errors. It should be noted that the cams in the flush position do not participate in knitting and thus do not form a guide pin channel.

The half height position of the embodiment refers to the height that the triangle protrudes from the triangle bottom plate 10 to enable the low needle to cross from the triangle surface, and the high needle needs to enter the guide needle channel along the guide needle surface (edge) of the triangle; the full height position of this embodiment refers to the height at which the triangle protrudes above the height of the triangle base plate 10 such that both the high and low needles enter the guide pin channel along the guide pin face (edge) of the triangle. The heights of the full height positions of the first stitch cam 12 and the intermediate cam 11 are substantially uniform, and the heights of the half heights of the intermediate cam 11 and the elastic cam 16 are substantially uniform. The half height position is contrasted with the full height position, and the height of the half height position may be 35% -65% of the full height position, for example: when the height of the full height position is 4+/-0.5 mm, the height of the half height position is 2+/-0.5 mm.

With the above configuration, in the cam device of the present embodiment, the first stitch cam 12, the first density cam 14, the needle cam 19, the second stitch cam 13, and the second density cam 15 form the first double-guide needle passage with the intermediate cam 11 at the full height position. Specifically, taking the first guide needle head 1 as an example, as shown in fig. 1, when the first guide needle head 1 moves along the first knitting direction, the butt of the knitting needle 40 enters a guide needle channel from between the first needle cam 12 and the first density cam 14, rises along the guide needle surface of the first needle cam 12, passes through the vertex of the middle cam 11, is controlled by the knitting needle cam 19 and guides the knitting needle 40, so that the butt of the knitting needle 40 descends along the knitting needle cam 19, then descends continuously along the second density cam 15, the height of the second density cam 15 can be adjusted, and finally, the butt of the knitting needle 40 passes through the bottom of the second density cam 15 and exits the guide needle channel, wherein the guide needle channel is a full-mesh guide needle channel in one direction; when the first guide needle machine head 1 moves along the second knitting direction, a guide needle channel is formed between the second needle raising cam 13 and the second density cam 15, the guide needle channel rises along the guide needle surface of the second needle raising cam 13, then passes through the top point of the middle cam 11, is controlled by the needle cam 19 and guides the needle 40, so that the butt of the needle 40 descends along the needle cam 19, then descends continuously along the first density cam 14, the stitch value can be adjusted by adjusting the height of the first density cam 14, and finally, the butt of the needle 40 passes through the bottom of the first density cam 14 and leaves the guide needle channel, and the guide needle channel is a full-mesh guide needle channel in the other direction; thereby, the first guide needle machine head 1 can be knitted in both the first knitting direction and the second knitting direction, and therefore the first guide needle machine head 1 is provided with a first bi-directional guide needle channel, namely a bi-directional full-mesh guide needle channel, as shown in fig. 2, at the moment, the rubber band triangle 16 is in a flush position, knitting is not participated, and the butt directly passes over the rubber band triangle 16.

Based on the above structure, the first needle lifting cam 12, the first density cam 14, the knitting needle cam 19, the second needle lifting cam 13, the second density cam 15 and the middle cam 11 at the half-height position form a second bidirectional needle guiding channel; the second bidirectional guide pin channel may be a bidirectional transfusion guide pin channel. Taking the first guide needle machine head 1 as an example, specifically, when the first guide needle machine head 1 moves along the first knitting direction, the butt of the knitting needle 40 enters a guide needle channel from between the first needle cam 12 and the first density cam 14, rises along the guide needle surface of the first needle cam 12, and as the middle cam 11 is at the half-height position, the butt of the knitting needle 40 of the low needle is not blocked, crosses the middle cam 11, then continuously descends along the second density cam 15, the height of the second density cam 15 can be adjusted, and finally, the butt of the knitting needle 40 passes through the bottom of the second density cam 15 and leaves a guide needle channel, and the guide needle channel is a hanging guide needle channel in one direction; when the first guide needle machine head 1 moves along the second knitting direction, the butt of the knitting needle 40 enters a guide needle channel between the second needle raising cam 13 and the second density cam 15, and rises along the guide needle surface of the second needle raising cam 13, and as the middle cam 11 is at the half-height position, the butt of the knitting needle 40 of the low needle is not blocked, and passes through the middle cam 11, and then continuously descends along the first density cam 14, the stitch value can be adjusted by adjusting the height of the first density cam 14, and finally, the butt of the knitting needle 40 passes through the bottom of the first density cam 14 and leaves a guide needle channel which is a lifting guide needle channel in the other direction; thereby, the first guide needle machine head 1 can carry out stitch knitting in the first knitting direction and the second knitting direction, and therefore the first guide needle machine head 1 is provided with a second bidirectional guide needle channel, namely a bidirectional stitch-knitting guide needle channel, as shown in figure 2, at the moment, the rubber band triangle 16 is in a flush position, knitting is not participated, and a butt directly passes over the rubber band triangle 16.

In the above structure, the first needle cam 12 and the second needle cam 13 can be independently extended and contracted along the thickness direction of the cam base plate 10, the first needle cam 12 (left needle cam) can be actively moved from the full height position to the flush position, and the second needle cam 13 (right needle cam) can be actively moved from the full height position to the flush position, or can be passively moved from the full height position to the flush position by the butt action. In order to simplify the structure of the cam device, in this embodiment, the second needle lifting cam 13 is passively moved from the full height position to the flush position under the butt action, and the specific structure is the same as that of the conventional technology, and will not be described herein.

Based on the structure, the second needle lifting cam 13, the middle cam 11 at the full-height position, the knitting needle cam 19 and the first density cam 14 form a first unidirectional needle guide channel, and the first needle lifting cam 12 is actively at the flush position and does not participate in knitting; taking the first guide needle head 1 as an example, specifically, when the first guide needle head 1 moves along the second knitting direction, the butt of the knitting needle 40 enters a guide needle channel from between the second needle raising cam 13 and the second density cam 15, rises along the guide needle surface of the second needle raising cam 13, and as the middle cam 11 is at the half-height position, the butt of the knitting needle 40 of the low needle is not blocked, crosses the middle cam 11, then continuously descends along the first density cam 14, the height of the first density cam 14 can be adjusted, the stitch value can be adjusted, and finally, the butt of the knitting needle 40 passes through the bottom of the first density cam 14 and leaves the guide needle channel, at this time, the rubber cam 16 is at the flush position and does not participate in knitting, and the butt directly crosses the rubber cam 16; because the first needle lifting cam 12 is at the flush position, when the first guide needle head 1 moves along the first knitting direction, the needle cannot be lifted, the butt is pressed from the inclined plane of the second needle lifting cam 13, the second needle lifting cam 13 is moved from the full-height position to the flush position, and then the butt directly passes through the rubber band cam 16, the first guide needle head 1 continuously moves along the second knitting direction after reversing for knitting, and the steps are repeated, so that the first unidirectional guide needle channel is the unidirectional full-mesh guide needle channel.

Based on the above structure, the elastic triangle 16 at the half height position forms a second unidirectional needle guide channel in which the elastic is woven first and then the yarn is woven, with the second needle raising triangle 13, the middle triangle 11 and the first density triangle 14. Taking the second guide needle head 2 as an example, as shown in fig. 4, the rubber string cam 16 is at a half-height position, the second guide needle head 2 moves along the second knitting direction, the butt of the knitting needle 40 enters a guide needle channel from between the rubber string cam 16 and the rubber string guide cam 17, and rises along the needle raising surface of the rubber string cam 16, reaches the vertex of the rubber string cam 16, then falls along the second density cam 15, enters between the second needle raising cam 13 and the second density cam 15, rises along the needle raising surface of the second needle raising cam 13, passes through the vertex of the middle cam 11, is controlled by the knitting needle cam 19 and guides the knitting needle 40, so that the butt of the knitting needle 40 falls along the knitting needle cam 19, then falls along the first density cam 14, the height of the first density cam 14 is adjusted, and finally, the butt of the knitting needle 40 passes through the bottom of the first density cam 14, and leaves the guide needle channel, and the second single guide needle channel is a unidirectional rubber string knitting channel. At this time, if the second needle guiding head 2 moves along the first knitting direction, the elastic triangle 16 can be controlled to be actively positioned at the flush position, so as to avoid the butt striking the elastic triangle 16.

In summary, the cam device of this embodiment not only can carry out two-way full-mesh knitting, and two-way hanging-mesh knitting can also carry out one-way full-mesh knitting and one-way rubber band knitting, and the braiding function is more various, and braiding efficiency is higher, and when not needing the rubber band to knit, the butt of knitting needle 40 can not contact with rubber band cam 16, avoids wearing and tearing and the invalid stroke to the butt, reduces the influence to the knitting. On the other hand, when the rubber cam 16 is at the half-height position, when the first guide needle head 1 or the second guide needle head 2 moves along the second knitting direction, the butt of the knitting needle 40 corresponding to the rubber firstly enters between the rubber cam 16 and the rubber guide cam 17, and then enters between the second needle raising cam 13 and the second density cam 15, so that the first guide needle channel for knitting the rubber firstly and then knitting the yarn is realized, and the rubber can be directly knitted into the yarn loop in the present line instead of waiting for the next line to be knitted into the yarn loop again, and the rubber is not easy to break or jump. When the rubber band triangle 16 is positioned at the half-height position to weave the rubber band, the second density triangle 15 can also be used for adjusting the height of the rubber band needle, so that the rubber band can be precisely matched with the plug wire port of the sinker, and the rubber band is prevented from being broken due to the fact that the rubber band bumps on the plug pin of the sinker, and therefore the probability of rubber band breakage is reduced from multiple aspects.

Preferably, as shown in fig. 2, when the elastic triangle 16 is in the flush position, the projection of the second density triangle 15 in the thickness direction of the triangle base plate 10 overlaps with the projection of the elastic triangle 16 in the thickness direction of the triangle base plate 10; the second density triangle 15 can move along the through chute on the triangle bottom plate 10, so that the projection of the second density triangle 15 in the thickness direction of the triangle bottom plate 10 is misplaced with the projection of the rubber band triangle 16 in the thickness direction of the triangle bottom plate 10, the rubber band triangle 16 can be lifted to a half-height position, and part of the structure of the lifted second density triangle 15 is arranged at intervals with the rubber band triangle 16 in the height direction of the triangle bottom plate 10 to form a part of the rubber band guide needle channel, thereby also enabling the second density triangle 15 to adjust the rubber band needle height. In this embodiment, on the premise of not increasing the size of the triangle bottom plate 10, the rubber triangle 16 is arranged near the second density triangle 15, so that the existing knitting stroke is not increased, the structures of the first guide needle machine head 1 and the second guide needle machine head 2 are more compact, and the knitting efficiency is improved.

Preferably, a needle pressing triangle 18 is arranged on one side of the triangle bottom plate 10 close to the first density triangle 14 or the other side close to the rubber band guiding triangle 17, and the needle pressing triangle 18 is vertically arranged on a needle pressing chute 102 on the triangle bottom plate 10 in a lifting manner and is abutted with the side wall of the first density triangle 14 or the rubber band guiding triangle 17. In the first guide needle machine head 1 shown in fig. 2, a needle pressing triangle 18 is arranged on one side of the triangle base plate 10 close to the first density triangle 14 and is abutted against the first density triangle 14; in the second guide needle head 2 shown in fig. 4, the needle pressing triangle 18 is disposed on one side of the triangle base plate 10 close to the rubber band guiding triangle 17 and is abutted against the rubber band guiding triangle 17. Then, as shown in fig. 1, when the first guide needle machine head 1 and the second guide needle machine head 2 are installed in the glove knitting machine, the needle pressing triangle 18 faces the same direction of the mobile phone case.

Based on the above-mentioned bidirectional knitting mode, the cam device of the present embodiment further includes a first looper assembly 20 and a second looper assembly 30, where the first looper assembly 20 and the second looper assembly 30 are disposed on two sides of the yarn guide mechanism; the first needle return assembly 20 is provided with a first needle return path 21, the second needle return assembly 30 is provided with a second needle return path 31, the highest positions of the first needle return path 21 and the second needle return path 31 are higher than the knitting needle cam 19, and the heights of the butts of the knitting needles 40 are the same, so that when the cam device performs knitting along the first knitting direction or the second knitting direction, the butts of the knitting needles 40 can be corrected by the first needle return assembly 20 or the second needle return assembly 30 before entering the guide needle channel or after leaving the guide needle channel, the butts of the knitting needles 40 return to a certain height and remain uniform, and the consistency of knitting loops and the knitting quality of fabrics are ensured.

The first looper path 21 and the second looper path 31 in the present embodiment are both located above the needle cam 19, so that the first looper assembly 20 and the second looper assembly 30 forming the first looper path 21 and the second looper path 31 are installed above both sides of the cam base plate 10 instead of being located at the positions of the both sides of the cam base plate 10 in the middle, whereby the lateral volume of the cam base plate 10 can be shortened, and the structure of the cam device can be more compact; the knitting needle 40 has two butts, one is a butt 41 located below and the other is a butt 42 located above, in this embodiment, the butts contacting the first and second needle return assemblies 20 and 30 are not butts 41 entering the guide path, but butts 42 located above the butts, and the butts 42 are used at a lower frequency in the whole knitting process, so that the butts 42 are subjected to less impact, and the butts 42 are adopted to return the needle, so that the collision between the butts 41 and the cam device can be reduced, the damage of the butts 41 is reduced, and the service life of the knitting needle 40 is prolonged.

As shown in the specific example of fig. 2, the first needle return assembly 20 on the first guide needle head 1 is located between the needle pressing triangle 18 and the first density triangle 14, specifically, the first needle return assembly 20 includes a first needle return triangle 22 and a first needle blocking triangle 23, the lower end of the first needle blocking triangle 23 has a first needle blocking surface 231, the upper end of the first needle return triangle 22 has a guide surface and a first needle return surface 221, the guide surface is obliquely arranged, the high end of the guide surface is connected with the first needle return surface 221, the guide surface is used for guiding the needle return butt 42, so that the needle return butt 42 can stably move onto the first needle return surface 221 through the guide surface, but after the needle return butt 42 moves through the guide surface, the needle return butt 42 can continuously move along the tangential direction of the guide surface due to inertia, and the back needle return butt 42 can be contacted with the first needle blocking surface 231, so that the needle return 42 can continuously move along the direction of the guide surface, the height where the needle return butt 221 is located, the guide surface can stably move along the first needle return surface, and the first needle return butt 221 can enter a knitting region 40 or a consistent knitting region along the first needle return plane, and the consistent knitting length can be guaranteed, and the knitting region can be consistently moved; wherein the first looper surface 221 in the first looper assembly 20 is higher than the highest point of the cam 19, i.e. the looper path is above the cam 19, thereby enabling to a certain extent a reduction of the lateral bulk of the cam bed 10.

Specifically, the guiding surfaces include a first guiding surface 222 and a second guiding surface 223, the first guiding surface 222 is obliquely arranged upwards, the second guiding surface 223 is obliquely arranged downwards, the first guiding surface 222, the first needle return surface 221 and the second guiding surface 223 are sequentially connected from left to right, when in use, the needle return butt 42 moves from left to right or from right to left relative to the first needle return cam 22, when the height of part of the needle return butt 42 is lower than the height of the first needle return surface 221 due to other factors, the needle butt can pass through the guiding of the first guiding surface 222 or the second guiding surface 223 and then pass through the blocking of the first needle blocking surface 231, finally moves to the first needle return surface 221, then moves stably along the first needle return surface 221, and the knitting needles 40 entering or leaving the knitting area are all located at the same height, so that the consistency of knitting loops of the knitting fabrics is ensured.

Specifically, the lower end of the first needle blocking cam 23 further has a first guiding surface 232 and a second guiding surface 233, the first guiding surface 232 is disposed obliquely downward, the second guiding surface 233 is disposed obliquely upward, the first guiding surface 232, the first needle blocking surface 231 and the second guiding surface 233 are sequentially connected from left to right, and the butt 42 moves relative to the first needle return cam 22 from left to right or from right to left, so that when the height of a part of the butt 42 is higher than the height of the first needle return surface 221 due to other factors, the butt can still be pressed downward under the guiding of the first guiding surface 232 and the second guiding surface 233, and the butt 42 can stably enter the first needle return path 21, finally contacts with the first needle return surface 221 and moves along the first needle return surface 221. For example, as shown in fig. 2, when the first back needle assembly 20 is located at the left side of the first density cam 14, the back butt 42 moves from left to right relative to the cam base plate 10, part of the knitting needles 40 may cause up and down needle-threading due to inertia, tightness of the needle grooves, tension of the yarn, so that the height of the back butt 42 may be lower or higher than the first back needle surface 221, and the back butt 42 may move to the first back needle surface 221 under the guidance of the first guide surface 232 or the first guide surface 222; when the butt 42 moves from right to left with respect to the cam base plate 10, the height of the knitting needle 40 that exits the guide needle passage is lower or higher due to the density adjustment of the first density cam 14, the height of the butt 42 is lower or higher than the first butt 221, and the butt 42 moves to the first butt 221 under the guide of the second guide surface 233 or the second guide surface 223.

Preferably, as shown in fig. 2, the inclination angle a of the first guide surface 232 is set to 30-60 °, the inclination angle B of the second guide surface 233 is set to 30-60 °, if the inclination angles of the first guide surface 232 and the second guide surface 233 are too small, the first guide surface 232 and the second guide surface 233 are gentle, although the protection of the butt 42 is good, the whole knitting stroke is too long, if the inclination angles of the first guide surface 232 and the second guide surface 233 are too large, the whole knitting stroke can be reduced, but the cam gear is also caused to rapidly rise or fall when rapidly moving in the knitting direction, the problem of serious needle striking and butt abrasion is easily caused by the increase of the lateral impact force, and therefore, the inclination angle in the above range can protect the butt 42, ensure the service life thereof, and properly shorten the whole knitting stroke; more preferably, the inclination angle of the first guide surface 232 and the second guide surface 233 is set to 45 °.

There are a variety of configurations of second looper assembly 30. In one embodiment, in the first slider head 1 shown in fig. 2, the second needle return assembly 30 includes a second needle return structure disposed on the top surface of the rubber band guiding cam 17, and the height of the top surface is not higher than the height of the second needle return structure when the second density cam 15 is located at the highest position, so as to avoid the butt 42 from striking the second density cam 15. The second looper assembly 30 is arranged in the same manner as the first looper assembly 20, and the second looper structure of the second looper assembly 30 has a larger lateral width and a slower gradient due to the larger right space of the second density triangle 15.

Specifically, the second needle return structure includes a first needle lifting surface 32, a second needle return surface 33 and a second needle lifting surface 34, the second needle return surface 33 is a plane with consistent height, the first needle lifting surface 32 and the second needle lifting surface 34 both have a high end and a bottom end, the high end of the first needle lifting surface 32 and the high end of the second needle lifting surface 34 are respectively connected with two ends of the second needle return surface 33, the height of the second needle return surface 33 is consistent with the height of the first needle return surface 221, and due to the arrangement of the first needle lifting surface 32 and the second needle lifting surface 34, the first guide head 1 is guided to the second needle return surface 33 whether moving along the first knitting direction or the second knitting direction, thereby ensuring consistent needle return height.

Preferably, as shown in fig. 2, the included angle C between the connecting line between the high end and the low end of the first needle raising surface 32 and the second needle returning surface 33 ranges from 15 ° to 40 °, and the included angle D between the connecting line between the high end and the low end of the second needle raising surface 34 and the second needle returning surface 33 ranges from 15 ° to 40 °. The gradient of the first needle lifting surface 32 and the second needle lifting surface 34 in the angle range is relatively gentle, so that the condition that the needle jump amplitude is large due to excessive inertia of the needle returning butt 42 after the first needle lifting surface 32 or the second needle lifting surface 34 is moved is avoided, correspondingly, the first needle lifting surface 32 can be an inclined surface or an arc surface, in the embodiment, the angle C between the connecting line between the high end and the low end of the first needle lifting surface 32 and the second needle returning structure is 20 degrees, the angle D between the connecting line between the high end and the low end of the second needle lifting surface 34 and the second needle returning structure is 20 degrees, and the first needle lifting surface 32 and the second needle lifting surface 34 are arc surfaces, so that a certain buffering effect can be achieved.

In this embodiment, no needle blocking member is provided, in order to avoid that the back butt 42 is continuously lifted along the tangential direction of the first needle lifting surface 32 or the second needle lifting surface 34, the vertical distance L between the lower edge of the elastic band guiding cam 17 and the second back needle surface 33 is equal to the distance between the back butt 42 and the needle jack butt 41, the difference between the distances is 1-1.5mm, and the situation that the amplitude of the upper and lower needle stringing is too large in the operation process of the knitting needle 40 can be avoided, and meanwhile, a margin is left, so that the knitting needle 40 stably operates, thereby, when the back butt 42 is continuously lifted along the tangential direction of the first needle lifting surface 32 or the second needle lifting surface 34, the needle jack butt 41 is in contact with the lower edge of the elastic band guiding cam 17, and the back butt 42 is pulled back into the second needle return path 31. In a specific example, the distance between the back butt 42 and the jack butt 41 is 22mm, and the vertical distance L between the lower edge of the elastic thread guide cam 17 and the second back needle surface 33 is 20.5 to 21mm.

Another structure of the second looper assembly 30 is shown in fig. 4, where the second looper assembly 30 includes a second looper structure disposed on the top surface of the elastic guide cam 17 and a second needle blocking cam 35 disposed above the second looper structure, and at this time, since the second looper assembly 30 is disposed between the second density cam 15 and the needle pressing cam 18, the space is smaller, the lateral length of the second looper structure is smaller, the gradient is larger, and therefore, the second needle blocking cam 35 needs to be disposed to prevent the knitting needle 40 from jumping, and the second needle blocking cam 35 has the same function as the first needle blocking cam 23, and the structure is also substantially the same and will not be repeated herein.

In this embodiment, the distance between the first needle return assembly 20 and the second needle return assembly 30 and the first density cam 14 or the rubber band guiding cam 17 is shortened, so that the distance between the first needle return path 21 and the second needle return path 31 and the outlet of the guide needle channel is shortened or even partially overlapped, thereby possibly causing the condition that the needle jack butt 41 is guided by the needle return assembly without leaving the guide needle channel, and further, the needle jack butt 41 collides with the first density cam 14 or the second density cam 15, so that the lower concave surface 24 is arranged at the lower end of the second guide surface 223 and the first needle return surface 32, which are opposite to the first needle return assembly 20 and the second needle return assembly 30, so that the lower concave surface 24 corresponds to the outlet of the guide needle channel when the first needle return path 21 and the second needle return path 31 are located at the lowest end, and the lower concave surface 24 is opposite to the second guide surface 24 when the second needle return assembly 20 and the second needle return assembly 30, so that the second needle return butt 41 can collide with the first needle return assembly 14 or the second needle return assembly 30, and the lower concave surface 24 can avoid collision between the lower concave surface 24 and the second needle return assembly 30 and the needle return assembly 30 along the lower concave surface 24 when the second needle return assembly 20 and the second needle return assembly 30. As shown in fig. 2, in the present embodiment, the first looper 20 is located on the left side of the first density cam 14, and the second looper 30 is located on the right side of the second density cam 15, such that the lower concave surface 24 is located at the lower end of the second guide surface 223 and the first lift surface 32.

As shown in fig. 3 and 5, the cam device of the present embodiment further includes a cam control mechanism disposed on the other end surface of the cam base plate 10, and for simplifying the structure, the present embodiment implements linkage of a plurality of cams to reduce the number of control mechanisms, and specifically, the cam control mechanism includes a first control assembly 50 for controlling the first stitch cam 12 and the middle cam 11 in a linkage manner, a second control assembly 60 for controlling the first density cam 14 and the stitch cam 18 in a linkage manner, and a third control assembly 70 for controlling the second density cam 15 and the rubber band cam 16 in a linkage manner.

In order to realize independent control of the first guide needle head 1 and the second guide needle head 2, the first guide needle head 1 of the embodiment is correspondingly provided with a triangle control mechanism, and the second guide needle head 2 is correspondingly provided with another triangle control mechanism, so that the triangles of the first guide needle head 1 and the second guide needle head 2 can respectively and independently move, and the first guide needle head 1 and the second guide needle head 2 respectively have different knitting modes, thereby being matched with more knitting modes.

Since the positions of the needle pressing cams 18 on the first and second needle heads 1 and 2 are different, the cam control mechanisms are also somewhat different, and the present embodiment describes the same parts of the two cam control mechanisms by taking the first needle head 1 as an example.

Specifically, as shown in fig. 3, the first cam 12 includes a first pin 121 located at the back and penetrating the cam base 10, the first control unit 50 includes a first pin pushing leg 51, the first pin pushing leg 51 is rotatably connected to the back of the cam base 10, one end of the first pin pushing leg 51 near the first pin 121 is provided with a first inclined surface 511, the first pin 121 includes a first abutting portion 122 capable of extending onto the first pin pushing leg 51,

the first needle pushing leg 51 is rotated so that the first inclined surface 511 can be inserted between the first abutting portion 122 and the back surface of the cam base plate 10, and pushes the first abutting portion 122 to the highest position of the first needle pushing leg 51, and the first needle cam 12 is located at the flush position.

The first needle pushing leg 51 is further provided with a first pushing member 512, the first pushing member 512 is rotationally connected with the first needle pushing leg 51, the first pushing member 512 is pushed by an external force and drives the first needle pushing leg 51 to rotate, the first inclined surface 511 can be inserted between the first abutting portion 122 and the back surface of the triangular bottom plate 10, the first abutting portion 122 is enabled to move to the highest position of the first inclined surface 511, the first needle triangle 12 is located at the flush position, and the front surface is flush with the front surface of the triangular bottom plate 10.

Preferably, in this embodiment, the first needle cam 12 and the middle cam 11 have a linkage relationship, specifically, the middle cam 11 includes a second pin 111 located on the back and penetrating the cam base plate 10, and the first control assembly 50 includes a half needle pushing leg 52; the half needle pushing foot 52 is rotationally connected with the back surface of the triangle bottom plate 10, the half needle pushing foot 52 is provided with a second pushing piece 521, the second pushing piece 521 is pushed by external force so as to drive the half needle pushing foot 52 to rotate, one end of the half needle pushing foot 52, which is close to the second pin 111, is provided with a second inclined surface 522 and a first high surface 523, the second pin 111 comprises a second abutting part 112 which can extend onto the half needle pushing foot 52, and the half needle pushing foot 52 rotates, so that when the second abutting part 112 is tangential to the second inclined surface 522 or separated from the second inclined surface 522, the middle triangle 11 is positioned at the full high position; when the second contact portion 112 contacts the first high surface 523, the intermediate triangle 11 is located at the half-height position.

In order to realize the linkage of the first stitch cam 12 and the middle cam 11, more structures are required to be arranged on the half-stitch pushing leg 52, specifically, the half-stitch pushing leg 52 further comprises a third inclined plane 524 and a first concave plane 525, the second inclined plane 522 and the third inclined plane 524 are arranged in opposite directions, the highest position of the first high plane 523 and the second inclined plane 522 and the highest position of the third inclined plane 524 are connected to form a first boss, the lowest position of the third inclined plane 524 is connected with the first concave plane 525 to form a first groove, the middle cam 11 is located at the full-height position when the second abutting part 112 is located at the first boss, and the middle cam 11 is located at the half-height position when the second abutting part 112 is located at the first boss.

The rotation of the first needle pushing leg 51 is lifted or fallen by the first pushing member 512 under the action of external force, and the rotation of the half needle pushing leg 52 is lifted or fallen by the second pushing member 521 under the action of external force, so that the first pushing member 512 and the second pushing member 521 can be contacted with a component (such as a post rod below) other than the triangle device, and the triangle device can reciprocate in the glove knitting machine, so that the first pushing member 512 and the second pushing member 521 can be bearings or rollers, so that friction force between the first pushing member 512 and the second pushing member 521 and corresponding post rods is reduced when the first needle guide machine head 1 and the second needle guide machine head 2 reciprocate.

Thus, the first guide needle handpiece 1 has a state that when the first pushing member 512 and the second pushing member 521 are not pushed up, the first needle pushing leg 51 and the half needle pushing leg 52 are at the initial positions, as shown in fig. 3, the first abutting portion 122 is separated from the first inclined surface 511, and when the second abutting portion 112 is tangent to or separated from the second inclined surface 522, the first needle cam 12 is located at the full-height position, the middle cam 11 is located at the full-height position, and corresponds to the bidirectional full-mesh knitting mode; when the first pushing element 512 and the second pushing element 521 are pushed up by a first set height (corresponding to the second driving position of the first driving assembly 80), the first needle pushing leg 51 rotates by a certain angle, the first abutting portion 122 is tangent to or separated from the first inclined surface 511, the half needle pushing leg 52 rotates by a certain angle, the second abutting portion 112 abuts against the first high surface 523, the first needle cam 12 is located at the full-height position, the middle cam 11 is located at the half-height position, and corresponds to the bidirectional stitch knitting mode; when the first pushing member 512 and the second pushing member 521 are pushed up by the second set height (corresponding to the first driving position of the first driving assembly 80), the first needle pushing leg 51 continues to rotate by a certain angle, the first abutting portion 122 abuts against the highest portion of the first needle pushing leg 51, the half needle pushing leg 52 continues to rotate by a certain angle, the second abutting portion 112 abuts against the first concave surface 525, the front surface of the first needle cam 12 is flush with the front surface of the cam base plate 10, the middle cam 11 is located at the full-height position, and corresponds to a unidirectional full-mesh knitting mode in which the first needle cam 12 does not participate in knitting.

Since the first control unit 50, the first cam 12 and the intermediate cam 11 are not powered by themselves, and an external force of the first driving unit 80 or butt is required, a first return spring 123 for returning the first cam 12 from the flush position to the full height position is provided between the first pin 121 and the back surface of the cam base 10, for returning the first cam 12 from the flush position to the full height position after the external force is lost, as shown in fig. 23; the first needle pushing leg 51 of the first control unit 50 is not powered, and therefore, the second return spring 513 for returning the first needle pushing leg 51 to the initial position is connected to the back of the triangle base plate 10, as shown in fig. 3, for pulling the first inclined surface 511 away from the first abutting portion 122 after the first pushing member 512 loses the external pushing force. Similarly, the half needle pushing leg 52 needs to be reset, and the initial position of the half needle pushing leg 52 is the position when the third abutting portion 162 is tangent to the third inclined plane 524 or separated from the third inclined plane 524; a fourth return spring 526 which enables the half needle pushing foot 52 to have a trend of returning to the initial position is connected between the half needle pushing foot 52 and the back surface of the triangle base plate 10, and when the external pushing force of the half needle pushing foot 52 disappears, the half needle pushing foot 52 rotates to the initial position under the action of the fourth return spring 526; and a third return spring 113 for returning the middle triangle 11 from the half height position to the full height position is arranged between the second pin 111 and the back surface of the triangle base plate 10, when the half needle pushing foot 52 rotates back to the initial position or the second abutting part 112 corresponds to the first groove, the third pin 161 approaches the back surface of the triangle base plate 10 under the action of the second return spring 513, the second abutting part 112 abuts against the first concave surface 525, and the middle triangle 11 is returned from the half height position to the full height position.

As shown in fig. 3 and fig. 5, in order to realize the linkage of the first density triangle 14 and the needle pressing triangle 18, the back surface of the triangle bottom plate 10 is provided with a first sliding seat 103 connected with the first density triangle 14 and used for driving the first density triangle 14 to move along the through chute 101, a second sliding seat 104 communicated with the needle pressing triangle 18 and used for driving the needle pressing triangle 18 to move along the needle pressing chute 102 is further provided, the second control assembly 60 comprises a first density pushing foot 61 and a third connecting rod 62, one end of the first density pushing foot 61 is rotationally connected with the triangle bottom plate 10, the other end of the first density pushing foot 61 is rotationally connected with the first sliding seat 103, and one end of the third connecting rod 62 is rotationally connected with the first density pushing foot 61, and the other end of the third connecting rod 62 is rotationally connected with the second sliding seat 104.

The first density pushing leg 61 is provided with a third pushing member 611, and the rotation of the first density pushing leg 61 is raised or lowered by the third pushing member 611 under the action of external force. Therefore, the third pushing element 611 may contact a component other than the triangle device (such as a post rod below), and since the triangle device may reciprocate in the glove knitting machine, the third pushing element 611 may be a bearing or a roller, so as to reduce friction between the third pushing element 611 and the corresponding post rod when the first needle guide head 1 and the second needle guide head 2 reciprocate.

The difference between the first control assembly 50 on the first guide pin machine head 1 and the second guide pin machine head 2 is mainly that the structure of the connecting rod driving the second sliding seat 104 is different, as in the first guide pin machine head 1 shown in fig. 3, the needle pressing triangle 18 and the first density triangle 14 are on the same side of the triangle base plate 10, the distance is relatively close, so that the length of the third connecting rod 62 is relatively short, the bending type is formed, the rotating shaft is positioned at the bending position, one end of the third connecting rod 62 connected with the first density pushing leg 61 is lifted, the other end is lowered, and the needle pressing triangle 18 is driven to be lowered; in the second guide needle machine head 2 shown in fig. 5, the needle pressing triangle 18 and the first density triangle 14 are respectively located at two sides of the triangle bottom plate 10, and are further apart, so that the length of the third connecting rod 62 is longer, and the third connecting rod is in a teeterboard shape, one end of the third connecting rod can be abutted against the top end of the first sliding seat 103, the other end of the third connecting rod is connected with the second sliding seat 104, the first density pushing leg 61 drives the first sliding seat 103 to move upwards, the top end of the first sliding seat 103 abuts against one end of the connecting rod, and the other end of the third connecting rod 62 descends, so that the second sliding seat 104 and the needle pressing triangle 18 are driven to descend.

The first density cam 14 and the needle pressing cam 18 are unpowered by themselves, and therefore, the first slide seat 103 and the back surface of the cam base plate 10 are provided with a fifth return spring 105 that tends to return the first slide seat 103 to the initial position, which is the position of the first density cam 14 when it passes through the lowermost end of the chute 101; the second sliding seat 104 and the back surface of the cam base plate 10 are provided with a sixth return spring 106 which enables the second sliding seat 104 to return to an initial position, and the initial position of the second sliding seat 104 is a position when the needle pressing cam 18 is at the uppermost end of the needle pressing sliding groove 102.

There are many ways to enable the rubber triangle 16 to move to the flush position and the half height position, for example, a cylinder is correspondingly arranged on the back of the rubber triangle 16, and the rubber triangle 16 is driven by the cylinder. However, since the knitting apparatus has a compact internal structure and a small space, and the cam device is not too heavy to affect the reciprocating knitting motion, as shown in fig. 8, the second density cam 15 and the rubber cam 16 are preferably controlled by the third control assembly 70, considering that the second density cam 15 needs to move along the through chute on the cam base plate 10, the rubber cam 16 moves along the thickness direction of the cam base plate 10, the back surface of the cam base plate 10 is provided with the third sliding seat 107 connected with the second density cam 15 for driving the second density cam 15 to move along the through chute, one end of the third sliding seat 107 close to the mounting seat 109 is connected with the pressing block 72 with the fourth inclined surface 721, and the third sliding seat 107 and the pressing block 72 can be in an integrated structure or be fixedly mounted, as shown in fig. 9.

As shown in fig. 8, the mounting base 109 is fixed to the back surface of the triangle base 10, and is used for mounting the rubber triangle 16 so as to be stably disposed in the corresponding through groove of the triangle base 10, the back surface of the rubber triangle 16 is provided with a third pin 161 penetrating out of the mounting base 109, the axial direction of the third pin 161 is perpendicular to the back surface of the triangle base 10, the side surface of the third pin 161 extends out of a third abutting portion 162, the extending direction of the third abutting portion 162 is parallel to the radial direction of the third pin 161, and the third abutting portion 162 can move along the surface of the pressing block 72. Specifically, the third sliding seat 107 is far away from the mounting seat 109, the third abutting portion 162 is shifted from the high position of the fourth inclined surface 721 to the low position, and the rubber triangle 16 is shifted from the flush position to the half-high position; the third sliding seat 107 approaches the mounting seat 109, the third abutting portion 162 is displaced from the low position of the fourth inclined surface 721 to the high position, and the rubber triangle 16 is moved from the half-high position to the flush position.

In this embodiment, the length of the high surface of the pressing block 72, the length of the fourth inclined plane 721 and the inclination angle may be set, so that the second density triangle 15 moves a certain distance upwards from the initial position, the third abutting portion 162 is still located on the high surface of the pressing block 72, the rubber triangle 16 is still located at the flush position, the length of the fourth inclined plane 721 is shorter, and the inclination angle is larger, so that the third abutting portion 162 can rapidly shift from the low position to the high position of the fourth inclined plane 721, or from the high position to the low position, and rapid switching of the rubber triangle 16 at the flush position and the half high position is realized; the following advantages are also achieved: on the one hand, the second density triangle 15 can keep the original function, so as to realize the stitch adjustment, when the rubber string triangle 16 is at the flush position, the second density triangle 15 can normally perform the stitch adjustment of the second needle raising triangle 13, and when the rubber string triangle 16 is at the half-height position, the second density triangle 15 can perform the stitch adjustment of the rubber string guide triangle 17; on the other hand, when the second density cam 15 moves up to a position, the rubber band cam 16 can jack up to a half-height position, and when the rubber band is woven, the butt firstly rises to a height along the rubber band cam 16 and then descends to enter between the second density cam 15 and the second needle lifting cam 13, and after the second density cam 15 moves up, the descending stroke of the butt can be shortened, so that the whole stroke of the butt is shortened, the weaving efficiency is improved, the stability of the butt is also kept, and the weaving quality is improved.

In order to simplify the triangle control mechanism and reduce the power source, the elastic member is adopted to reset the rubber triangle 16 and the second density triangle 15 in this embodiment, specifically, as shown in fig. 3, a seventh reset spring 108 that makes the third sliding seat 107 have a tendency to return to the initial position is connected to the third sliding seat 107, the initial position of the third sliding seat 107 is a position where the second density triangle 15 is located at the lowest end of the through chute 101, the seventh reset spring 108 may connect the third sliding seat 107 and the triangle bottom plate 10, or may connect the third sliding seat 107 and the mounting seat 109, when the third sliding seat 107 is pushed away from the mounting seat 109 by an external force, the seventh reset spring 108 is stretched, and when the external force disappears, the third sliding seat 107 approaches the mounting seat 109 under the pull of the seventh reset spring 108. As shown in fig. 18, an eighth return spring 163 is provided between the rubber triangle 16 and the mount 109, the eighth return spring 163 having a tendency to push the rubber triangle 16 from the flush position to the half-height position, and the eighth return spring 163 is in a compressed state when the third abutting portion 162 is located at the high position of the pressing block 72, and the eighth return spring 163 pushes the rubber triangle 16 from the flush position to the half-height position when the third abutting portion 162 is displaced from the high position of the fourth inclined surface 721 to the low position.

The third control assembly 70 includes a second density pushing leg 71, a fourth pushing member 711 is disposed on the second density pushing leg 71, one end of the second density pushing leg 71 is rotatably connected with the triangle base plate 10, and the other end is connected with the pressing block 72 or the third sliding seat 107, and under the action of the fourth pushing member 711, the second density pushing leg 71 rotates relative to the triangle base plate 10 to drive the third sliding seat 107 to approach or depart from the installation seat 109. Specifically, the second density pushing leg 71 includes a first link 712 provided with a fourth pushing member 711 and a second link 713 connected to the pressing block 72, a rotating shaft is fixed on the back of the triangle bottom plate 10, one end of the first link 712 is rotationally connected to the rotating shaft, the other end is rotationally connected to the second link 713, the other end of the second link 713 is rotationally connected to the pressing block 72, the first link 712 is bent and protrudes toward the bottom of the triangle bottom plate 10, and the fourth pushing member 711 is provided at the bent position, so that when the fourth pushing member 711 receives an upward force, the first link 712 is driven to rotate and the second link 713 is pushed upward, the second link 713 drives the pressing block 72 and the third sliding seat 107 to move upward, and away from the mounting seat 109; when the force on the fourth pushing member 711 disappears, the seventh return spring 108 drives the pressing block 72 and the third sliding seat 107 to return, and the first connecting rod 712, the second connecting rod 713 and the fourth pushing member 711 are all driven to return.

Since the first and second needle heads 1 and 2 need to move back and forth along the knitting direction, the fourth pushing member 711 is rotatably connected to the second density pushing leg 71, which may be a bearing or a roller, so as to reduce friction force between the fourth pushing member 711 and other driving mechanisms.

As shown in fig. 10, the rubber triangle 16 of the present embodiment further includes a body 164 and a triangle portion 165 protruding from the front surface of the body 164, the third pin 161 is disposed on the back surface of the body 164, the triangle portion 165 includes a needle-running side wall 167 facing the rubber triangle 17, the body 164 includes an outer edge portion 166 protruding relatively from the needle-running side wall 167 facing the rubber triangle 17, and the outer edge portion 166 is formed because, in the initial stage of processing, the rubber triangle 16 is manufactured into a blank with a maximum size, and then the triangle portion 165 is formed by cutting as required, therefore, the side surface size of the outer edge portion 166 is the original size of the blank, and it is noted that the triangle portion 165 with the maximum size is the original size of the blank, and no outer edge portion 166 is provided.

As shown in fig. 10, the rubber triangle 16 further includes a stopper 168, where the stopper 168 is disposed at the bottom of the body 164 in a protruding manner, and can abut against the back of the triangle bottom plate 10 when the rubber triangle 16 is at the half height position, so as to limit the height of the rubber triangle 16 protruding from the front of the triangle bottom plate 10.

In the foregoing, it is described that the butt of the knitting needle 40 corresponding to the elastic thread rises along the needle raising surface of the elastic thread triangle 16, and then descends along the second density triangle 15 after reaching the vertex of the elastic thread triangle 16, specifically, as shown in fig. 4, the second density triangle 15 includes a first guiding block 151 located at the side and extending toward the direction of the elastic thread guiding triangle 17, when the elastic thread triangle 16 is at the half-height position, the front surface of the triangle portion 165 protrudes from the front surface of the triangle bottom plate 10, the outer edge portion 166 is flush with the front surface of the triangle bottom plate 10, the needle raising side wall 167, the side wall of the elastic thread guiding triangle 17 and the first guiding block 151 form an elastic thread raising groove, and the first guiding block 151 can limit the height of the knitting needle 40 corresponding to the elastic thread for adjusting the height of the elastic thread, if the height of the elastic thread raising needle is too high or too low, the height of the elastic thread can collide with the pins of the sinker when the sinker is inserted to take the elastic thread, thereby increasing the probability of the elastic thread breaking, and the sinker is likely to be unable to take the loop and the elastic thread to be disabled; through the position of moving second density triangle 15 in link up the chute for interval between first guide block 151 and the rubber band triangle 16 changes, and then changes the high of knitting needle 40 that corresponds with the rubber band, makes the rubber band can with the accurate cooperation of plug wire mouth of sinker, and the effect is woven to the rubber band better.

As shown in fig. 4, the elastic cord guiding triangle 17 is fixed on the front surface of the triangle bottom plate 10, the other function of the elastic cord guiding triangle 17 is to stabilize the second density triangle 15, form a seamless guiding needle channel, avoid the butt to be blocked into the second density triangle 15 and the elastic cord guiding triangle 17, specifically, the inclination angle of the side surface of the elastic cord guiding triangle 17 is consistent with the inclination angle of the through chute, the second density triangle 15 includes the first guiding block 151 located at the side surface and extending towards the direction of the elastic cord guiding triangle 17, the first guiding block 151 abuts against the side surface of the elastic cord guiding triangle 17, the elastic cord guiding triangle 17 includes the second guiding block 171 located at the side surface and extending towards the direction of the second density triangle 15, the second guiding block 171 abuts against the side surface of the second density triangle 15, and a space is provided between the first guiding block 151 and the second guiding block 171, so that when the second density triangle 15 moves upwards, the first guiding block 151 and the second guiding block 171 do not interfere with each other, the second density triangle 15 abuts against the side wall of the elastic cord guiding triangle 17 in the moving process, the second density triangle 15 is raised, the second density triangle 15 can stably rise from the position 101 to the half-height position.

The utility model also discloses a glove knitting machine, which comprises two needle beds (not shown) which are oppositely arranged at intervals along the knitting direction, at least two yarn mouths (not shown) which are arranged above the needle beds, and the glove knitting machine also comprises the triangular device described in the embodiment, wherein one triangular device is arranged corresponding to one needle bed, the other triangular device is arranged corresponding to the other needle bed, and the two triangular devices can respectively do reciprocating motion on the needle beds along the same knitting direction and are matched with at least one yarn mouth for knitting. The lower part of the needle bed is also provided with a triangular control driving mechanism corresponding to the triangular control mechanism in the triangular device, and each triangular device is correspondingly provided with one triangular control driving mechanism, so that the independent control of the first guide needle machine head 1 and the second guide needle machine head 2 is realized. Based on the multiple knitting modes of each triangular device, the glove can realize multiple knitting methods under the cooperation of two triangular devices and yarn nozzles.

Based on this, the utility model also discloses a knitting method, adopting the glove knitting machine of the above embodiment, wherein, the first guide needle machine head 1 and the second guide needle machine head 2 are provided with a bidirectional full mesh knitting mode, a bidirectional hanging mesh knitting mode, a unidirectional rubber band knitting mode, a unidirectional full mesh knitting mode, a unidirectional hanging mesh knitting mode and a stitch adjusting knitting mode, and the knitting method specifically comprises the following steps:

Bidirectional full mesh knitting mode: the first needle lifting triangle 12 is controlled to be positioned at the full-height position, the second needle lifting triangle 13 is controlled to be positioned at the full-height position, the middle triangle 11 is controlled to be positioned at the full-height position, and the rubber band triangle 16 is controlled to be positioned at the flush position;

bidirectional hanging mesh weaving mode: the first needle lifting triangle 12 is controlled to be positioned at the full-height position, the second needle lifting triangle 13 is controlled to be positioned at the full-height position, the middle triangle 11 is controlled to be positioned at the half-height position, and the rubber band triangle 16 is controlled to be positioned at the flush position;

unidirectional rubber band knitting mode: the first needle lifting cam 12 is controlled to be positioned at the full-height position, the second needle lifting cam 13 is controlled to be positioned at the full-height position, the middle cam 11 is controlled to be positioned at the full-height position, and the rubber band cam 16 is controlled to be positioned at the half-height position;

unidirectional full mesh knitting mode: the first needle lifting triangle 12 is controlled to be positioned at the flush position, the second needle lifting triangle 13 is controlled to be positioned at the full-height position, the middle triangle 11 is controlled to be positioned at the full-height position, and the rubber band triangle 16 is controlled to be positioned at the flush position;

unidirectional hanging mesh weaving mode: the first needle lifting triangle 12 is controlled to be positioned at the flush position, the second needle lifting triangle 13 is controlled to be positioned at the full-height position, the middle triangle 11 is controlled to be positioned at the half-height position, and the rubber band triangle 16 is controlled to be positioned at the flush position;

stitch-adjusting knitting mode: the first density cam 14 or the second density cam 15 is controlled to move a set distance along the through chute 101 on the cam base plate 10 on the basis of the bidirectional full mesh knitting mode, the bidirectional stitch knitting mode or the unidirectional knitting mode.

The user can set the knitting mode of each triangle device at a certain time point according to the own needs, thereby realizing diversified knitting methods.

Specifically, when the first guide needle head 1 and the second guide needle head 2 are both in the bidirectional full-mesh knitting mode, the first guide needle head 1 performs reciprocating knitting motion on one needle bed corresponding to one yarn nozzle, meanwhile, the second guide needle head 2 performs reciprocating knitting motion on the other needle bed with the same direction dislocation set stroke with the first guide needle head 1, the first guide needle head 1 independently knits the first face of the glove, the second guide needle head 2 independently knits the second face of the glove, then the edge joints of the first face and the second face are connected, the side edges of the first face and the second face are connected together, the highest position of the middle triangle 11 in the first guide needle head 1 and the second guide needle head 2 is misplaced in the same direction dislocation set stroke, and the knitting needles 40 in the corresponding needle beds stretch out successively.

When the first guide needle machine head 1 and the second guide needle machine head 2 are in a bidirectional full-mesh knitting mode and do synchronous unidirectional knitting motion along the same knitting direction, one yarn nozzle is matched with the first guide needle machine head 1 and the second guide needle machine head 2 at the same time, so that seam knitting along the first knitting direction or the second knitting direction is realized, the synchronous state means that the first guide needle machine head 1 and the second guide needle machine head 2 respectively control knitting needles 40 in corresponding needle beds to extend out and hook the same yarn, and the first guide needle machine head 1 and the second guide needle machine head 2 stitch the ends of the first face and the second face of the glove.

When the first guide needle machine head 1 and the second guide needle machine head 2 are in a bidirectional eye-hanging knitting mode, the first guide needle machine head 1 performs reciprocating knitting motion on one needle bed corresponding to one yarn nozzle, meanwhile, the second guide needle machine head 2 and the first guide needle machine head 1 perform reciprocating knitting motion on the other needle bed in the same direction in a staggered mode, the first guide needle machine head 1 independently knits the first surface of the glove, the second guide needle machine head 2 independently knits the second surface of the glove, then the edge joints of the first surface and the second surface are connected, the side edges of the first surface and the second surface are connected together, and the first surface and the second surface both perform eye-hanging knitting.

When the first guide needle machine head 1 is in a bidirectional eye knitting mode, the second guide needle machine head 2 is in a bidirectional full-eye knitting mode, the first guide needle machine head 1 performs reciprocating knitting motion on one needle bed corresponding to one yarn nozzle, meanwhile, the second guide needle machine head 2 and the first guide needle machine head 1 perform reciprocating knitting motion on the other needle bed in the same direction in a staggered mode, the first guide needle machine head 1 independently knits the first surface of the glove, the second guide needle machine head 2 independently knits the second surface of the glove, then the edge joints of the first surface and the second surface are connected, the side edges of the first surface and the second surface are connected together, the first surface performs eye knitting, and the second surface performs full-eye knitting.

When the second guide needle machine head 2 is in a bidirectional full-mesh knitting mode, the first guide needle machine head 1 performs reciprocating knitting motion on one needle bed corresponding to one yarn nozzle, meanwhile, the second guide needle machine head 2 and the first guide needle machine head 1 perform reciprocating knitting motion on the other needle bed in the same direction in a staggered mode, the first guide needle machine head 1 independently knits the first surface of the glove, the second guide needle machine head 2 independently knits the second surface of the glove, then the edge joints of the first surface and the second surface are connected, the side edges of the first surface and the second surface are connected together, the second surface performs full-mesh knitting, and the first surface performs full-mesh knitting.

In this embodiment, the unidirectional rubber knitting mode of the first guide needle head 1 and the second guide needle head 2 may be combined with the bidirectional full mesh knitting mode or the bidirectional hanging mesh knitting mode, and a rubber yarn nozzle is added, in the first knitting direction, one yarn nozzle and the rubber yarn nozzle are matched with the second guide needle head 2, the rubber yarn triangle 16 on the second guide needle head 2 is at a half-height position, the rubber yarn is knitted first and then knitted into the second face, the first guide needle head 1 is matched with the other yarn nozzle to knit the first face, in the second knitting direction, one yarn nozzle and the rubber yarn nozzle are matched with the first guide needle head 1, the rubber yarn triangle 16 on the first guide needle head 1 is at half-height to be a child, the rubber yarn is knitted first and then knitted into the first face, and the second guide needle head 2 is matched with the other yarn nozzle to knit the second face, thereby realizing unidirectional rubber knitting. The rubber band knitting is generally used for the rib cage of the glove and is generally matched with the hanging mesh knitting.

When the first guide needle machine head 1 and the second guide needle machine head 2 are both in a unidirectional full-mesh knitting mode, in the first knitting direction, the first guide needle machine head 1 is matched with the yarn nozzle to knit the first surface, the second guide needle machine head 2 runs idle, in the second knitting direction, the second guide needle machine head 2 is matched with the yarn nozzle to knit the second surface, and the first guide needle machine head 1 runs idle in a conventional spiral knitting mode. The unidirectional hanging mesh knitting mode is basically the same, and is a conventional knitting mode and is not described herein.

On the basis of the knitting method, the first guide needle machine head 1 and the second guide needle machine head 2 can also carry out a stitch-adjusting knitting mode: the first density cam 14 or the second density cam 15 is controlled to move a set distance along the through chute 101 on the cam base plate 10 on the basis of the bidirectional full mesh knitting mode, the bidirectional stitch knitting mode or the unidirectional knitting mode.

In order to realize the control of the cams in each cam device, the cam control mechanism comprises a first control assembly 50 for controlling the first stitch cam 12 and the middle cam 11 in a linkage way, a second control assembly 60 for controlling the first density cam 14 and the needle pressing cam 18 in a linkage way, and a third control assembly 70 for controlling the second density cam 15 and the rubber band cam 16 in a linkage way; as shown in fig. 11 and 12, the triangle control drive mechanism comprises a first drive assembly 80 and a second drive assembly 90, wherein the first drive assembly 80 is in transmission connection with the first control assembly 50 and the third control assembly 70; the second drive assembly 90 is in driving connection with the second control assembly 60.

As shown in fig. 17, the first driving assembly 80 includes a first motor 81, a first ejector rod 84, a second ejector rod 85, a first cam 82 and a second cam 83, where the first motor 81 drives the first cam 82 to rotate, so that the first ejector rod 84 has a first rest position and at least one driving position, and the first ejector rod 84 can drive the first needle pushing leg 51 and the half needle pushing leg 52 of the first control assembly 50 when located at the driving position; the first motor 81 drives the second cam 83 to rotate, so that the second ejector rod 85 has a second rest position and at least one driving range, and the second ejector rod 85 can drive the first density pushing feet 61 of the second control assembly 60 when being positioned in the driving range.

The drive positions of the first ram 84 include a first drive position and a second drive position,

as shown in fig. 22 and 23, when the first jack 84 is in the first rest position, it contacts the first needle pushing leg 51 and the half needle pushing leg 52 and brings the first needle pushing leg 51 and the half needle pushing leg 52 into the initial position, the first needle cam 12 is in the full height position, and the intermediate cam 11 is in the full height position;

as shown in fig. 20 and 21, when the first jack 84 is located at the first driving position, the first needle pushing leg 51 and the half needle pushing leg 52 are pushed, the first needle pushing leg 51 is made to approach the first abutting portion 122, the first high face 523 of the half needle pushing leg 52 abuts against the second abutting portion 112, the first needle cam 12 is located at the full-height position, and the middle cam 11 is located at the half-height position;

As shown in fig. 17 and 18, when the first jack 84 is in the second driving position, the first needle pushing leg 51 and the half needle pushing leg 52 are pushed, the high surface of the first needle pushing leg 51 is abutted against the first abutment 122, the first concave surface 525 of the half needle pushing leg 52 is abutted against the second abutment 112, the first needle cam 12 is in the flush position, and the intermediate cam 11 is in the full-height position.

As shown in fig. 13 and 14, the first cam 82 is provided with a first curved groove 821 for enabling the first jack 84 to reach the first rest position, the first driving position and the second driving position;

the first push rod 84 is provided with a first chute 842 and a first protrusion 841, a central shaft of the first cam 82 passes through the first chute 842, the first protrusion 841 is placed in the first curved groove 821, and the first motor 81 rotates to enable the first protrusion 841 to move along the first curved groove 821 so as to change the relative position of the first protrusion 841 and the central shaft of the first cam 82, and drive the first push rod 84 to move among a first rest position, a first driving position and a second driving position.

The driving range of the second ejector rod 85 includes a first driving range and a second driving range, as shown in fig. 22, when the second ejector rod 85 is located at the second rest position, the second ejector rod contacts the first density pushing foot 61 and makes the first density pushing foot 61 be located at the initial position, and the first density cam 14 and the needle pressing cam 18 are located at the home position.

As shown in fig. 19, when the second ejector rod 85 is located in the first driving range, the first density pushing leg 61 is pushed, the first density cam 14 moves along the through chute 101, and the needle pressing cam 18 moves in the non-working range.

As shown in fig. 24, when the second ejector rod 85 is located in the second driving range, the first density pushing leg 61 is pushed, the first density cam 14 moves along the through chute 101, and the needle pressing cam 18 moves within the working range.

As shown in fig. 15 and 16, the second cam 83 is provided with a second curved groove 831 capable of enabling the second jack 85 to reach a second rest position, a first driving range and a second driving range, the second jack 85 is provided with a second chute 852 and a second protrusion 851, a central shaft of the second cam 83 passes through the second chute 852, the second protrusion 851 is placed in the second curved groove 831, and the first motor 81 rotates to enable the second protrusion 851 to move along the second curved groove 831 so as to change the relative position of the second protrusion 851 and the central shaft of the second cam 83, and the second jack 85 is driven to move among the second rest position, the first driving range and the second driving range.

As shown in fig. 17, a first alignment hole 822 is formed at the initial end of the first curved slot 821, and a second alignment hole 832 is formed at the initial end of the second curved slot 831, wherein the first alignment hole 822 is collinear with the center line of the first cam 82 and the second alignment hole 832 is collinear with the center line of the second cam 83.

The first curved groove 821 includes a curved section a1, a curved section a2, a curved section a3, a curved section a4 and a curved section a5 which are sequentially communicated from the beginning to the end, the second curved groove 831 includes a curved section b1, a curved section b2, a curved section b3, a curved section b4 and a curved section b5 which are sequentially communicated from the beginning to the end, and the curved section a1 corresponds to the curved section b1, so that when the first jack 84 is located at the second driving position, the second jack 85 is located at the second driving range; the curved segment a2 corresponds to the curved segment b2 such that the second jack 85 is in the second rest position when the first jack 84 is moved between the second drive position and the first drive position; the curved segment a3 corresponds to the curved segment b3 such that when the first jack 84 is in the first drive position, the second jack 85 is in the second rest position; the curved segment a4 corresponds to the curved segment b4 such that the second jack 85 is in the second rest position when the first jack 84 is moved between the first drive position and the first rest position; the curved segment a5 corresponds to the curved segment b5 such that the second jack 85 is in the first drive range when the first jack 84 is in the first rest position.

From this, first ejector pin 84 corresponds with first needle cam 12 (left needle cam) and middle cam 11 simultaneously, and second ejector pin 85 corresponds with first density cam 14 (left density cam) and needle pressing cam 18 simultaneously, and first motor 81 can realize the control to first needle cam 12, middle cam 11, first density cam 14 and needle pressing cam 18, has reduced drive assembly's quantity, and reduce cost has also saved installation space for the weight of triangle device is lighter, and the travel speed is faster.

As shown in fig. 17, a first alignment hole 822 is formed at the initial end of the first curved slot 821, and a second alignment hole 832 is formed at the initial end of the second curved slot 831, wherein the line connecting the first alignment hole 822 with the center of the first cam 82 and the line connecting the second alignment hole 832 with the center of the second cam 83 are collinear, so that the reference of the first curved slot 821 and the second curved slot 831 is the same. When the first motor 81 is in the initial state, the central connection line between the first aligning hole 822 and the first cam 82 is in the vertical state in fig. 17, the central connection line between the second aligning hole 832 and the second cam 83 is also in the vertical state in fig. 17, the first protrusion is located at the end of the curved section a1, the first ejector rod 84 is located at the second driving position, the second protrusion is located at the junction between the curved section B1 and the curved section B2, the distance between the end of the curved section B1 and the center B of the second cam 83 is Lb2, the second ejector rod 85 is in the second rest position, at this time, the first cam 12 moves inward of the cam base 10, is flush with the plane of the cam base 10, does not participate in the guide needle channel, the middle cam 11 is in the full-height position, protrudes from the plane of the cam base 10, participates in the guide needle channel, the corresponding knitting method can be a unidirectional knitting method or a sealing knitting method, meanwhile, the first density cam 14 is in the initial position, the needle pressing cam 18 does not work, and the cam device is in the non-density adjustment unidirectional knitting mode.

When the first motor 81 rotates clockwise from the initial position in fig. 17, the first protrusion 841 moves from the end of the curved section a1 to the initial end relative to the first cam 82, the second protrusion 851 moves from the end of the curved section a2 to the initial end relative to the second cam 83, the curved section a1 corresponds to the curved section b1, so that when the first jack 84 is located at the second driving position, the second jack 85 is located in the second driving range, the initial end of the curved section a1 is the initial end of the first curved slot 821, the distances from the initial end to the end and the center a of the first cam 82 are La1, and when the first protrusion 841 is located in the curved section a1, the first jack 84 is located at the second driving position; the starting end of the curve segment B1 is the starting end of the second curve slot 831, the distance from the starting end to the tail end to the center B of the second cam 83 becomes gradually larger, the maximum distance is Lb1, the minimum distance is Lb2, when the second protrusion 851 is located in the curve segment B1, the second ejector rod 85 is located in the second driving range, as shown in the specific example of fig. 19, the second protrusion 851 is located at the starting end of the curve segment B1, the second ejector rod 85 is located at the highest height of the second driving range, at this time, the first cam 12 moves towards the inner side of the cam base 10, is flush with the plane of the cam base 10, does not participate in the guide needle channel, the middle cam 11 is located at the full height position, protrudes from the plane of the cam base 10, participates in the guide needle channel, and the corresponding knitting method can be like a unidirectional knitting method or a sealing knitting method, meanwhile, the first density cam 14 moves along the through chute 101 on the cam base 10 to adjust the knitting density of the second cam 13, the cam 18 does not work, the cam device is a density adjusting mode, and, in comprehensive terms, the cam device is a single line mode with density adjusting. The position of the second projection 851 at the curved section b1 corresponds to the position of the second jack 85 in the second driving range, and is adjustable according to the desired knitting density.

The curved segment a2 corresponds to the curved segment b2 such that the second jack 85 is in the second rest position when the first jack 84 is moved between the second drive position and the first drive position; specifically, as shown in fig. 14, the curve segment a2 is smoothly connected between the curve segment a1 and the curve segment a3, and the distance between the curve segment a2 and the center a of the first cam 82 is gradually reduced from the connection end with the curve segment a1 to the connection end with the curve segment a3, the maximum distance is La1, the minimum distance is La2, as shown in fig. 16, the curve segment B2 is smoothly connected between the curve segment B1 and the curve segment B3, and the distances between the curve segment B2 and the center B of the second cam 83 are all Lb2 from the connection end with the curve segment B1 to the connection end with the curve segment B3. The first motor 81 rotates counterclockwise from the initial state in fig. 17, the first protrusion moves from the connecting end of the curve segment a2 and the curve segment a1 to the connecting end of the curve segment a2 and the curve segment a3 relative to the first cam 82, the first ejector rod 84 moves from the second driving position to the first driving position until the first protrusion reaches the connecting end of the curve segment a2 and the curve segment a3 as shown in fig. 20, the first ejector rod 84 is in the first driving position, during which the second protrusion moves from the connecting end of the curve segment b2 and the curve segment b1 to the connecting end of the curve segment b2 and the curve segment b3 relative to the second cam 83, the second ejector rod 85 is always in the second rest position, at this time, the middle cam 11 moves to the inner side of the cam base 10 and is in the half-height position, the first ejector rod cam 12 is in the full-height position protruding from the plane of the cam base 10 and participating in the guide needle channel, the cam device can perform the stitch knitting for the stitch knitting mode, the left density cam 18 is in the initial position, and the cam 18 is not operated for the stitch cam density-free knitting mode, and the integrated cam device is the stitch free mode.

As shown in fig. 20, the curved segment a3 corresponds to the curved segment b3, such that when the first jack 84 is in the first driving position, the second jack 85 is in the second rest position; specifically, as shown in fig. 14, the distance from the start end to the end of the curve segment a3 to the center a of the first cam 82 is La2. Because the length of the curve segment a3 is shorter, the first motor 8111 basically keeps the state in fig. 20, the first protrusion is located in the curve segment a3, the first ejector rod 843 is always located in the first driving position, meanwhile, as shown in fig. 16, the distance from the starting end to the tail end of the curve segment B3 to the center B of the second cam 83 is Lb2, when the second protrusion 851 is located in the curve segment B3, the second ejector rod 85 is always located in the second rest position, at this time, the middle cam 11 moves towards the inner side of the cam base plate 10, is located in the half-height position, the first stitch cam 12 is located in the full-height position and protrudes out of the plane of the cam base plate 10, participates in the guide needle channel, the cam device can perform stitch knitting, and is in stitch knitting mode, the left density cam is located in the initial position, the needle pressing cam 18 does not work, and the cam device is in density-adjusting-free stitch knitting mode. The curve segment a3 can keep the first ejector rod 84 at the first driving position, so that stability of a stitch knitting mode is ensured, and the situation that the first ejector rod 84 cannot be kept at the first driving position due to inaccurate matching of the first bulge and the first cam 82 is avoided.

The curved segment a4 corresponds to the curved segment b4 such that the second jack 85 is in the second rest position when the first jack 84 is moved between the first drive position and the first rest position; specifically, as shown in fig. 14, the curve segment a4 is smoothly connected between the curve segment a3 and the curve segment a5, and the distance from the connecting end of the curve segment a3 to the connecting end of the curve segment a5 and the center a of the first cam 82 gradually decreases, the maximum distance is La2, and the minimum distance is La3; as shown in fig. 16, the curve segment B4 is smoothly connected between the curve segment B3 and the curve segment B5, and the distances from the center B of the second cam 83 from the connection end with the curve segment B3 to the connection end with the curve segment B5 are all Lb2. The first motor 81 rotates anticlockwise from the state in fig. 20, the first protrusion moves from the connection end of the curve section a4 and the curve section a3 to the connection end of the curve section a4 and the curve section a5 relative to the first cam 82, the first ejector rod 84 moves from the first driving position to the first rest position until the first protrusion reaches the connection end of the curve section a4 and the curve section a5 as shown in fig. 22, the first ejector rod 84 is at the first rest position, the second protrusion moves from the connection end of the curve section b4 and the curve section b3 to the connection end of the curve section b4 and the curve section b5 relative to the second cam 83, the second ejector rod 85 is always at the second rest position, at this time, the first needle cam 12 and the middle cam 11 are at the full high position and protrude out of the plane of the cam base 10 and participate in the guide needle channel, the full mesh knitting mode is the left density cam is at the initial position, the needle pressing cam 18 does not operate, and the cam device is the non-density adjusting mode, and the cam device is the full mesh knitting mode with no density adjusting, as shown in the whole.

As shown in fig. 24, the curve segment a5 corresponds to the curve segment b5, such that when the first ejector rod 84 is located at the first rest position, the second ejector rod 85 is located in the first driving range, specifically, the end of the curve segment a5 is the end of the first curve slot 82113, and from the connection end to the end of the curve segment a4, the distances between the curve segment a5 and the center a of the first cam 82 are La3, and when the first protrusion 841 is located in the curve segment a5, the first ejector rod 84 is located at the first rest position; the end of the curve segment B5 and the end of the second curve slot 831, and the distance between the curve segment B5 and the center B of the second cam 83 becomes gradually larger due to the connection end to the end of the curve segment B4, the minimum distance is Lb2, the maximum distance is Lb3, and when the second protrusion 851 is located in the curve segment B5, the second jack 85 is located in the first driving range. The first motor 8111 continues to rotate anticlockwise from the state in fig. 22, the first protrusion moves towards the tail end from the connection end of the curve segment a5 and the curve segment a4 relative to the first cam 8212, in this process, the first ejector rod 84 is located at the first rest position, meanwhile, the second protrusion moves towards the tail end from the connection end of the curve segment b5 and the curve segment b4 relative to the second cam 83, in this process, the second ejector rod 85 is located in the first driving range, at this time, the first cam 12 and the middle cam 11 are located at the full-height position, protrude out of the plane of the cam base 10, participate in the guide needle channel, are in the full-mesh knitting mode, the first density cam 14 moves along the density adjusting groove on the cam base 10, the needle pressing cam 18 descends by a required height, participate in the work, the cam device is in the needle pressing adjusting mode with the needle pressing height adjustable, in the comprehensive terms, the cam device is in the full-mesh knitting mode with the bidirectional knitting mode, if the cam device in this embodiment is in the bidirectional knitting mode. The position of the second protrusion 851 at the curved section b5 corresponds to the position of the second jack 85 in the first driving range, and is adjustable according to the required needle pressing height.

It should be noted that the distance between the curve segment B5 and the center B of the second cam 83 is far, and the required motor torque is large, so that the curve segment B5 needs to be set to be smoother, specifically, the central angle corresponding to the curve segment B5 is 125 ° -145 °, preferably 135 °, so that the second protrusion can normally move in the longer curve segment B5 under the action of the second motor 91, and the situation that the second protrusion cannot move relative to the second cam 83 due to loss of the loop caused by insufficient torque of the second motor 91 is avoided.

As shown in fig. 25 and 26, the second driving assembly 90 includes a second motor 91, a third ejector rod 93 and a third cam 92, where the second motor 91 drives the third cam 92 to rotate, so that the third ejector rod 93 has a third rest position and at least one working position, and the third ejector rod 93 can drive the second density pushing leg 71 of the third control assembly 70 when located at the working position.

As shown in fig. 26, the working positions of the third ejector rod 93 include a first working range, a first working position and a second working position, when the third ejector rod 93 is located at the third rest position, the third ejector rod 93 contacts with the second density pushing feet 71 and makes the second density pushing feet 71 be located at the initial position, the second density triangle 15 is located at the home position, and the rubber triangle 16 is located at the flush position; when the third ejector rod 93 is positioned in the first working range, the second density pushing feet 71 are pushed to enable the second density pushing feet 71 to move along the through chute 101, the second density triangle 15 moves in the density adjusting range, and the rubber band triangle 16 is positioned in the flush position; when the third ejector rod 93 is positioned at the first working position, the second density pushing feet 71 are pushed to enable the second density pushing feet 71 to move along the through chute 101, the second density triangle 15 exceeds the density adjusting range, and the rubber band triangle 16 is positioned at the half-height position; when the third ejector rod 93 is located at the second working position, the rubber string triangle 16 is located at the half-height position, the second density triangle 15 and the rubber string triangle 16 form a rubber string guide needle channel defining the rubber string height, and as can be seen from the above, the distance between the first guide block 151 of the second density triangle 15 and the rubber string triangle 16 can limit the height of the knitting needle 40 corresponding to the rubber string, so that the rubber string can be accurately matched with the plug wire port of the sinker, and the probability of rubber string breakage or needle jump is reduced.

Specifically, the third cam 92 is provided with a third curved slot 921 capable of guiding the third push rod 93 to a third rest position, a first working range, a first working position and a second working position, the third push rod 93 is provided with a third inclined slot 932 and a third protrusion 931, a central shaft of the third cam 92 passes through the third inclined slot 932, the third protrusion 931 is disposed in the third curved slot 921, the second motor 91 rotates to enable the third protrusion 931 to move along the third curved slot 921, so as to change the relative position of the third protrusion 931 and the central shaft of the third cam 92, and the third push rod 93 is driven to move among the third rest position, the first working range, the first working position and the second working position.

As shown in fig. 25, the third curved groove 921 includes a curved section C1, a curved section C2, and a curved section C3, the starting end of the curved section C1 is the starting end of the third curved groove 921, the distances from the starting end to the end of the curved section C1 to the center C of the third cam 92 are all Lc1, and the distance corresponds to the third rest position of the third ejector pin 93, at this time, the second density cam 15 is at the initial position, that is, the lowest end penetrating through the chute 101, the rubber cam 16 is at the flush position, and the cam device cannot perform rubber knitting.

The curve section C2 is smoothly connected with the curve section C1 and the curve section C3, the distance between the curve section C2 and the center C of the third cam 92 is gradually increased from the connecting end of the curve section C1 to the connecting end of the curve section C3, the distance between the connecting end of the curve section C2 and the curve section C1 and the center C of the third cam 92 is Lc1, the distance between the connecting end of the curve section C2 and the curve section C3 and the center C of the third cam 92 is Lc2, when the third bulge moves in the curve section C2 relative to the third cam 92 and does not reach the connecting end of the curve section C2 and the curve section C3, the third ejector rod 93 is located in the first working range, the second density pushing leg 71 is pushed to move along the through chute 101, the second density triangle 15 moves in the density adjusting range, the density of the first needle triangle 12 can be adjusted, and the rib triangle 16 is located in the flush position.

When the third protrusion moves to the connection end of the curve segment c2 and the curve segment c3 relative to the third cam 92, the third ejector rod 93 is in the first working position, the second density cam 15 exceeds the density adjusting range, and the rubber band cam 16 is in the half-height position.

The end of the curve segment C3 is the end of the third curve groove 921, the distance between the end of the curve segment C3 and the center C of the third cam 92 gradually increases from the connecting end to the end of the curve segment C2, and the distance between the end of the curve segment C3 and the center C of the third cam 92 is Lc3, wherein Lc3 > Lc2 > Lc1. When the third protrusion moves towards the tail end in the curve segment c3 relative to the third cam 92, the third ejector rod 93 moves from the first working position to the second working position, the distance between the first guide block 151 on the second density triangle 15 and the rubber band triangle 16 gradually becomes larger until the third protrusion moves towards the tail end of the curve segment c3 relative to the third cam 92, the third ejector rod 93 reaches the second working position, and the height of the second density triangle 15 in the through chute 101 enables the first guide block 151 to limit the height of the knitting needle 40 corresponding to the rubber band, so that the rubber band can be precisely matched with a plug wire port of the sinker.

Since the third jack 93 is controlled by the second driving mechanism, independent from the first driving mechanism, and thus can be engaged with the first jack 84 and the second jack 85, the cam device can realize the above various knitting modes.

Compared with two ejector rods in the prior art, the triangle control driving mechanism in the glove knitting machine of the embodiment has a plurality of different positions under the control of the first driving mechanism and the second driving mechanism respectively through the first ejector rod 84, the second ejector rod 85 and the third ejector rod 93, can be matched with the triangle device to realize a plurality of different knitting modes, and has the advantages of simple structure and multiple combination modes.

The above embodiments are only preferred embodiments of the present utility model, and the scope of the present utility model is not limited thereto, but any insubstantial changes and substitutions made by those skilled in the art on the basis of the present utility model are intended to be within the scope of the present utility model as claimed.

Claims

1. A triangle device of a flat knitting machine comprises a triangle bottom plate, a yarn guide needle mechanism and an elastic band guide needle mechanism which are arranged on one end surface of the triangle bottom plate, and is characterized in that,

2. Cam device for a flat knitting machine according to claim 1, characterized in that,

the first needle lifting triangle, the first density triangle, the knitting needle triangle, the second needle lifting triangle, the second density triangle and the middle triangle at the full-height position form a first bi-directional needle guiding channel;

3. Cam device of a flat knitting machine according to claim 1 or 2, characterized in that,

when the rubber triangle is in a flush position, the projection of the second density triangle in the thickness direction of the triangle bottom plate is overlapped with the projection part of the rubber triangle in the thickness direction of the triangle bottom plate;

4. The cam device of a flat knitting machine according to claim 1 or 2, further comprising a first return needle assembly and a second return needle assembly, said first return needle assembly and said second return needle assembly being provided on both sides of said yarn guide needle mechanism;

The first needle return assembly is provided with a first needle return path, the second needle return assembly is provided with a second needle return path, and the highest positions of the first needle return path and the second needle return path are located above the knitting needle triangle, so that the heights of the returning of the knitting needle butts are the same.

5. The cam device of a flat knitting machine as claimed in claim 4 wherein said second looper assembly includes a second looper structure disposed on a top surface of said rubber band guide cam, said second density cam having a top surface at a highest elevation no higher than a height of said second looper structure.

6. Cam unit of a flat knitting machine according to claim 5, characterized in that,

the second needle return structure comprises a first needle lifting surface, a second needle return surface and a second needle lifting surface, wherein the second needle return surface is a plane with the same height, the first needle lifting surface and the second needle lifting surface are both provided with a high end and a bottom end, and the high end of the first needle lifting surface and the high end of the second needle lifting surface are respectively connected with two ends of the second needle return surface.

7. Cam unit of a flat knitting machine according to claim 6, characterized in that the angle between the connection between the high end and the low end of the first needle raising surface and the second needle return surface is in the range of 15-40 °, and the angle between the connection between the high end and the low end of the second needle raising surface and the second needle return surface is in the range of 15-40 °.

8. The cam device of a flat knitting machine according to claim 1, wherein a needle pressing cam is arranged on one side of the cam base plate close to the first density cam or the other side close to the rubber band guiding cam, and the needle pressing cam is vertically arranged on a needle pressing sliding groove on the cam base plate in a lifting manner and is abutted against the side wall of the first density cam or the rubber band guiding cam.

9. The cam device of a flat knitting machine according to claim 8, further comprising a cam control mechanism provided on the other end surface of the cam base plate, the cam control mechanism including a first control unit that controls the first stitch cam and the intermediate cam in a linked manner, a second control unit that controls the first density cam and the stitch cam in a linked manner, and a third control unit that controls the second density cam and the elastic cam in a linked manner.

10. Cam unit of a flat knitting machine according to claim 9, characterized in that,

the first needle lifting triangle comprises a first pin which is positioned on the back surface and penetrates through the triangle bottom plate, the first control component comprises a first needle lifting pushing foot, the first needle lifting pushing foot is rotationally connected with the back surface of the triangle bottom plate, one end of the first needle lifting pushing foot, which is close to the first pin, is provided with a first inclined surface, the first pin comprises a first abutting part which can extend onto the first needle lifting pushing foot,

11. Cam unit of a flat knitting machine according to claim 10, characterized in that,

a first reset spring which enables the first needle cam to have a trend of resetting from a flush position to a full-height position is arranged between the first pin and the back surface of the cam base plate;

12. Cam unit of a flat knitting machine according to claim 9, characterized in that,

the middle triangle comprises a second pin which is positioned on the back and penetrates through the triangle bottom plate, and the first control component comprises a half-needle pushing foot; the half needle pushing foot is rotationally connected with the back surface of the triangle bottom plate, one end of the half needle pushing foot, which is close to the second pin, is provided with a second inclined surface and a first high surface, the second pin comprises a second abutting part which can extend onto the half needle pushing foot,

13. The cam device of a flat knitting machine according to claim 12, characterized in that the half needle pushing foot further comprises a third inclined plane and a first concave surface, the second inclined plane and the third inclined plane are arranged opposite to each other, the first high plane is connected with the highest position of the second inclined plane and the highest position of the third inclined plane to form a first boss, the lowest position of the third inclined plane is connected with the first concave surface to form a first groove, the second abutting part is located at the first groove, the middle cam is located at the full-height position, the second abutting part is located at the first boss, and the middle cam is located at the half-height position.

14. Cam unit of a flat knitting machine as claimed in claim 12 characterized by,

a third reset spring which enables the middle triangle to have a trend of resetting from the half height position to the full height position is arranged between the second pin and the back surface of the triangle bottom plate;

15. The cam device of the flat knitting machine according to claim 9, characterized in that the back surface of the cam base plate is provided with a first sliding seat which is connected with the first density cam and used for driving the first density cam to move along the through chute, and is also provided with a second sliding seat which is communicated with the needle pressing cam and used for driving the needle pressing cam to move along the needle pressing chute,

the second control assembly comprises a first density pushing foot and a third connecting rod, one end of the first density pushing foot is rotationally connected with the triangular bottom plate, the other end of the first density pushing foot is rotationally connected with the first sliding seat, one end of the third connecting rod is rotationally connected with the first density pushing foot, and the other end of the third connecting rod is rotationally connected with the second sliding seat.

16. Cam device of a flat knitting machine according to claim 15, characterized in that the back of the first slide seat and the cam base plate is provided with a fifth return spring that tends to return the first slide seat to the initial position;

17. The cam device of the flat knitting machine according to claim 9, wherein a mounting seat is fixed on the back surface of the cam base plate, a third pin penetrating through the mounting seat is arranged on the back surface of the rubber band cam, and a third abutting part extends out of the side surface of the third pin;

the back of the triangular bottom plate is provided with a third sliding seat which is connected with the second density triangle and used for driving the second density triangle to move along the through chute, and one end, close to the mounting seat, of the third sliding seat is connected with a pressing block with a fourth inclined plane;

the third sliding seat is far away from the mounting seat, the abutting part is shifted from the high position of the fourth inclined plane to the low position, and the rubber string triangle is shifted from the flush position to the half-high position;

the third sliding seat is close to the mounting seat, the abutting part moves from the low displacement of the fourth inclined surface to the high position, and the rubber string triangle moves from the half-high position to the flush position.

18. Cam unit of a flat knitting machine as claimed in claim 17 characterized by,

a seventh return spring which enables the third sliding seat to have a trend of returning to the initial position is connected to the third sliding seat;

19. Glove knitting machine comprising two needle beds arranged at opposite intervals along a knitting direction and at least two yarn mouths arranged above the needle beds, characterized by further comprising two cam devices according to any one of claims 1 to 18, wherein one cam device is arranged corresponding to one needle bed, the other cam device is arranged corresponding to the other needle bed, and the two cam devices can respectively reciprocate in the same knitting direction on the needle beds and are matched with at least one yarn mouth for knitting.

20. The glove machine according to claim 19, wherein a cam control driving mechanism corresponding to the cam control mechanism in the cam device is further arranged below the needle bed,

21. The glove machine according to claim 20, wherein,

the first driving assembly comprises a first motor, a first ejector rod, a second ejector rod, a first cam and a second cam, the first motor drives the first cam to rotate, so that the first ejector rod has a first rest position and at least one driving position, and the first ejector rod can drive a first needle pushing foot and a half needle pushing foot of the first control assembly when being positioned at the driving position;

22. The glove machine according to claim 21, wherein the drive position of the first ram includes a first drive position and a second drive position,

23. The glove knitting machine as claimed in claim 22, wherein said first cam includes a first curvilinear slot enabling said first ram to reach said first rest position, said first drive position and said second drive position;

24. The glove machine according to claim 23, wherein the drive range of the second ram includes a first drive range and a second drive range,

25. The glove machine according to claim 24, wherein the second cam has a second cam slot configured to allow the second ram to reach the second rest position, the first drive range and the second drive range,

26. The glove machine of claim 25, wherein a first alignment aperture is provided at a beginning end of the first curvilinear slot and a second alignment aperture is provided at a beginning end of the second curvilinear slot, the first alignment aperture being collinear with a center line of the first cam and the second alignment aperture being collinear with a center line of the second cam.

27. The glove machine according to claim 26, wherein the first curved slot includes a curved section a1, a curved section a2, a curved section a3, a curved section a4 and a curved section a5 which are sequentially communicated from a start end to an end,

28. The glove machine according to claim 20, wherein,

The second driving assembly comprises a second motor, a third ejector rod and a third cam, the second motor drives the third cam to rotate, so that the third ejector rod has a third rest position and at least one working position, and the third ejector rod can drive second density pushing feet of the third control assembly when being located at the working position.

29. The glove machine according to claim 28, wherein the third ram operating position includes a first operating range, a first operating position and a second operating position,

30. The glove machine according to claim 29, wherein the third cam has a third cam slot configured to enable the third ram to be guided to the third rest position, the first operating range, the first operating position, and the second operating position,