CN111663238A - Flat knitting machine cam plate capable of being knitted in multi-section density - Google Patents

Abstract

The invention relates to the technical field of computerized flat knitting machines, in particular to a flat knitting machine cam plate capable of being knitted in a multi-section density mode, which comprises a cam bottom plate, wherein a main stitch and an auxiliary stitch are arranged on one side of the cam bottom plate, an auxiliary stitch buffering component is arranged on the auxiliary stitch, knitting cams are arranged between the main stitch, and needle turning cams are arranged between the auxiliary stitches; the step of the other side of the triangular bottom plate is provided with a stitch motor for changing the positions of a main stitch and an auxiliary stitch, and a switching electromagnet for driving the switching of the knitting triangle and the stitch transferring triangle is arranged between the stitch motors; the main stitch and the auxiliary stitch work simultaneously and are matched with the switching of the knitting cam and the needle turning cam so as to carry out multi-section density knitting in the same row of knitting by switching knitting modes. The flat knitting machine cam plate capable of knitting in multiple sections of densities, provided by the invention, not only can realize multiple sections of densities in the same row of knitting, but also improves the production efficiency and reduces the production cost caused by motor damage.

Description

Flat knitting machine cam plate capable of being knitted in multi-section density

Technical Field

The invention relates to the technical field of computerized flat knitting machines, in particular to a flat knitting machine cam plate capable of being knitted in a multi-section density mode.

Background

The computerized flat knitting machine is a double-needle plate latch needle weft knitting loom. The cam device is like a group of plane cams, the stitch of a knitting needle can enter the groove of the cam, the cam is moved, the knitting needle is forced to do regular lifting motion in the needle groove of the needle plate, and the yarn can be knitted into knitted fabric through the action of the needle hook and the needle latch.

The computerized flat knitting machine is provided with flat knitting machine mountain plates for controlling the running tracks of knitting needles so as to realize knitting with different processes and patterns, and the design structure of the flat knitting machine mountain plates can enable the knitting needles to finish the actions of knitting, mesh hanging, needle turning, needle receiving, non-knitting and the like. The stitch cam is an important component in a flat knitting machine cam plate and has important influence on the knitting quality. The position of the stitch cam is controlled by a motor to change the yarn bending depth of the knitting needle, thereby controlling the size of the stitch.

In the existing flat knitting machine cam, the knitting density of adjacent knitted loops is not adjustable, although Chinese patent application (publication number is CN107956032A) discloses a motor type double-layer stitch control structure and a motor cam thereof, which can knit fabrics with different densities; however, when the motor controls to switch knitting and stitch, the structure is complex, the requirement on the assembly precision of accessories is high, and the motor is damaged due to easy failure, so that the production efficiency is influenced.

Disclosure of Invention

In order to solve the defect that the production efficiency is affected due to the fact that a motor is easy to damage in the prior art, the flat knitting machine cam plate capable of knitting in multiple sections of densities is provided, the knitting modes are simply and accurately switched, and the production efficiency is improved.

The flat knitting machine cam plate capable of being knitted in multiple sections of densities comprises a cam bottom plate, wherein a main stitch and an auxiliary stitch are arranged on one side of the cam bottom plate, an auxiliary stitch buffering component is arranged on the auxiliary stitch, knitting cams are arranged between the main stitch, and needle turning cams are arranged between the auxiliary stitches; the step at the other side of the triangular bottom plate is provided with stitch motors for changing the positions of the main stitch and the auxiliary stitch, and a switching electromagnet for driving the knitting triangle and the stitch transferring triangle to switch is arranged between the stitch motors; the main stitch and the auxiliary stitch work simultaneously and are matched with the knitting triangle and the needle turning triangle for switching knitting modes to carry out multi-section density knitting in the same row of knitting.

Furthermore, a chute for the main stitch and the auxiliary stitch to move is formed in the triangular bottom plate, the main stitch is connected with a main stitch control block, the auxiliary stitch is connected with an auxiliary stitch control block, the main stitch control block and the auxiliary stitch control block are both connected with a stitch rack, a stitch gear is arranged at the output end of the stitch motor, and the stitch rack is meshed with the stitch gear.

Furthermore, the auxiliary degree buffer assembly comprises a push block, the auxiliary degree control block is detachably and/or movably connected with the push block, and the push block can rotate on the auxiliary degree control block; the auxiliary mesh control block is provided with a boss on one side connected with the push block, a mesh bearing groove for a mesh bearing to slide is arranged between the boss and the push block, and the mesh bearing is arranged on the mesh rack.

Furthermore, a first groove is formed in the auxiliary degree control block, a second groove is formed in the push block, and pressure springs are arranged in the first groove and the second groove.

Furthermore, the mesh motor comprises a main mesh motor for driving the main mesh to move and an auxiliary mesh motor for driving the auxiliary mesh to move, the main mesh motor and the auxiliary mesh motor are alternately arranged on the triangular bottom plate in a stepped mode, and the switching electromagnet is arranged between the main mesh motor and the auxiliary mesh motor.

Furthermore, the switching electromagnet switches the knitting triangle and the state between the stitch cams through a stitch lever, two ends of the stitch lever are respectively arranged in grooves of the knitting guide rod and the stitch guide rod, the switching electromagnet is positioned behind the stitch guide rod and directly acts on the stitch guide rod, the knitting guide rod is connected with the knitting triangle, and the stitch guide rod is connected with the stitch cam.

Furthermore, a plurality of needle selectors are arranged on the triangular bottom plate and are positioned below the main stitch and the auxiliary stitch; and a station electromagnet for switching the operation of the needle connecting press leg and the tucking press leg is transversely arranged between the needle selectors, the station electromagnet is arranged on the triangular bottom plate through a magnet fixing seat, and the station electromagnet is parallel to the triangular bottom plate.

Furthermore, the needle connecting pressing leg and the tucking pressing leg are arranged on a leg pressing seat side by side through a rotating pin, and the leg pressing seat is connected with the magnet fixing seat; the connecting needle pressing leg and the tucking pressing leg are sleeved on the rotating pin through a torsion spring.

Furthermore, a push needle assembly is arranged on the triangular bottom plate and is positioned below the needle selector; the push needle assembly comprises a needle selection reset triangle and a sensor for sensing the position of the push needle sliding plate.

Further, the needle selection reset triangle is arranged on the triangle bottom plate through a needle pushing triangle seat, a needle pushing bearing used for moving relative to the needle pushing sliding plate is arranged on the needle pushing triangle seat, a switching groove for the needle pushing bearing to slide is formed in the needle pushing sliding plate, and the needle pushing bearing slides in the switching groove to drive the needle pushing triangle to switch states.

Compared with the prior art, the flat knitting machine cam plate capable of achieving multi-section density knitting is characterized in that the auxiliary stitch buffering assembly is arranged on the auxiliary stitch, so that the problem that production efficiency is affected due to the fact that knitting threads stretch out when the auxiliary stitch collides with a needle is solved, a knitting mode is switched by switching a knitting triangle and a needle turning triangle through a switching electromagnet, the work of the main stitch and the auxiliary stitch is matched in a coordinated mode, and multi-section density knitting is achieved in the same row of knitting process; the flat knitting machine cam plate capable of knitting in multiple sections of densities, provided by the invention, can realize multiple sections of densities in the same row of knitting, improve the production efficiency and reduce the production cost caused by motor damage.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a flat knitting machine cam plate provided by the present invention

FIG. 2 is a front view of a flat knitting machine cam provided in the present invention;

FIG. 3 is a second schematic structural view of a flat knitting machine cam plate according to the present invention;

FIG. 4 is a schematic structural diagram of a sub-level control block according to the present invention;

FIG. 5 is a schematic structural view of a subsidiary stitch control block and a stitch bearing according to the present invention;

FIG. 6 is a schematic view of the structure of a mesh gear and a mesh rack provided in the present invention;

FIG. 7 is a schematic diagram of the switching of the knitting cam and the stitch cam provided by the present invention;

FIG. 8 is a schematic structural view of a needle presser leg and a tuck presser leg provided in the present invention;

FIG. 9 is a first schematic diagram illustrating the switching of the pressing state of the connecting pin according to the present invention;

FIG. 10 is a second schematic view illustrating the switching of the pressing state of the connecting pin according to the present invention;

fig. 11 is a schematic structural view of the push pin assembly provided by the present invention.

Reference numerals:

10 triangle bottom plate 20 degree 21 weaving triangle

30-pair stitch 31 stitch cam 32-pair stitch control block

33 34 boss 35 degree mesh bearing of ejector pad

36-pressure spring 40-mesh motor 41-mesh rack

42-mesh gear 43 main mesh motor 44 auxiliary mesh motor

50 switching electromagnet 51 needle turning lever 52 knitting guide rod

53 needle-turning guide rod 54 limit screw 60 needle selector

70 connect needle presser leg 71 tuck presser leg 72 station electro-magnet

73 magnet fixing seat 74 rotating pin 75 leg pressing seat

76 torsion spring 80 needle selection reset triangle 81 sensor

82 push pin sliding plate 83 push pin bearing

Detailed Description

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

In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Fig. 1 is a schematic view of a flat knitting machine cam structure capable of knitting in multiple sections according to the present invention, and as shown in fig. 1, the flat knitting machine cam capable of knitting in multiple sections according to the present invention includes a cam base plate 10, a main stitch 20 and an auxiliary stitch 30 are disposed on one side of the cam base plate 10, an auxiliary stitch buffer assembly is disposed on the auxiliary stitch 30, a knitting cam 21 is disposed between the main stitch 20, and a needle-turning cam 31 is disposed between the auxiliary stitches 30; a stitch motor 40 for changing the positions of the main stitch 20 and the auxiliary stitch 30 is arranged on the other side of the triangle base plate 10 in a ladder way, and a switching electromagnet 50 for driving the knitting triangle 21 and the stitch transfer triangle 31 to be switched is arranged between the stitch motors 40; the main stitch 20 and the auxiliary stitch 30 work simultaneously to cooperate with the switching of the knitting cam 21 and the stitch transfer cam 31, so as to switch knitting modes to carry out multi-section density knitting in the same row of knitting.

In specific implementation, as shown in fig. 1 to 3, one side of the triangular bottom plate 10 is provided with a main stitch 20 and an auxiliary stitch 30, and the auxiliary stitch 30 is provided with a buffer component for preventing the knitting yarn from being stretched when the auxiliary stitch 30 collides with the needle, preferably, the number of the main stitch 20 and the auxiliary stitch 30 in this embodiment is two, one main stitch 20 includes two symmetrical main stitches 20, and one auxiliary stitch 30 includes two symmetrical auxiliary stitches 30; a knitting triangle 21 is arranged between the two main stitch 20, and a needle turning triangle 31 is arranged between the two auxiliary stitch 30.

The other side of the triangle bottom plate 10 is provided with a stitch motor 40 for changing the positions of the main stitch 20 and the sub stitch 30, a switching electromagnet 50 for driving the knitting triangle 21 and the needle-turning triangle 31 is arranged between the stitch motors 40, the switching electromagnet 50 drives the switching of the knitting triangle 21 and the needle-turning triangle 31 to switch knitting modes, and multi-section density knitting is realized in the same row knitting process by matching with the main stitch 20 and the sub stitch 30, specifically, the main stitch 20 and the sub stitch 30 respectively correspond to knitting with one density during knitting.

Specifically, as shown in fig. 1 to 3, a sliding groove for moving the main stitch 20 and the sub stitch 30 is formed on the triangular bottom plate 10, the main stitch 20 is connected with a main stitch control block, the main stitch 20 is located on one side of the triangular bottom plate 10, and the main stitch control block is located on the other side of the triangular bottom plate 10; the subsidiary items 30 are connected with a subsidiary item control block 32, the subsidiary items 30 are located at one side of the triangular base plate 10, the subsidiary item control block 32 is located at the other side of the triangular base plate 10, and the subsidiary items 30 are located above the main items 20.

As shown in fig. 4 to 6, in the drawings of this embodiment, the auxiliary stitch control block 32 is taken as an example, both the main stitch control block and the auxiliary stitch control block 32 are respectively connected to a stitch rack 41 through a stitch bearing 35, a stitch gear 42 is arranged at an output end of a stitch motor 40, the stitch rack 41 is engaged with the stitch gear 42, the stitch motor 40 drives the stitch gear 42 to rotate, and the stitch gear 42 rotates to drive the stitch rack 41 to move; the main stitch control block and the auxiliary stitch control block 32 have the same working principle, the main stitch control block is not shown in the drawing, a stitch bearing groove for the sliding of the stitch bearing 35 is arranged on the main stitch control block, the stitch bearing 35 is arranged on the stitch rack 41, the movement of the stitch rack 41 drives the stitch bearing 35 on the main stitch control block to slide in the stitch bearing groove, and the main stitch control block drives the sliding groove of the main stitch 20 on the triangular bottom plate 10 to move along with the sliding of the stitch bearing 35.

As shown in fig. 4 to 6, a buffer assembly is disposed on the secondary stitch 30, the buffer assembly includes a push block 33, specifically, the secondary stitch control block 32 is detachably or/and movably connected to the push block 33, the push block 33 can rotate on the secondary stitch control block 32, a boss 34 is disposed on a side of the secondary stitch control block 32 connected to the push block 33, a stitch bearing groove for the stitch bearing 35 to slide is disposed between the boss 34 and the push block 33, the movement of the stitch rack 41 drives the stitch bearing 35 on the secondary stitch control block 32 to slide in the stitch bearing groove, and the secondary stitch control block 32 drives the sliding groove of the secondary stitch 30 on the triangular bottom plate 10 to slide along with the sliding of the stitch bearing 35.

Specifically, as shown in fig. 4 to 6, a first groove is formed in the secondary stitch control block 32, a second groove is formed in the push block 33, a pressure spring 36 is arranged in the first groove and the second groove, when the secondary stitch 30 collides with a needle, the push block 33 does not collide with the needle, the push block 33 rotates relative to the secondary stitch control block 32 due to the inertia, and further compresses the pressure spring 36 between the secondary stitch control block 32 and the push block 33, and after the pressure spring 36 is compressed, an elastic force is generated, and acts on the secondary stitch control block 32 and the push block 33, and further acts on the secondary stitch 30, so that the secondary stitch 30 can buffer the collision with the needle, and the needle thread tension caused by the needle on the secondary stitch 30 is avoided.

Preferably, as shown in fig. 1 to 3, the stitch motor 40 includes a main stitch motor 43 for driving the main stitch 20 to move and a sub stitch motor 44 for driving the sub stitch 30 to move, the main stitch motor 43 and the sub stitch motor 44 are alternately arranged on the cam base plate 10 in a stepped manner, the sub stitch motor 44 is arranged above the main stitch motor 43, and a switching electromagnet 50 for driving the knitting cam 21 and the stitch cam 31 to switch is arranged between the main stitch motor 43 and the sub stitch motor 44.

Specifically, as shown in fig. 7, the knitting cam 21 is connected to a knitting guide 52, the stitch cam 31 is connected to a stitch guide 53, the switching electromagnet 50 is located behind the stitch guide 53 and directly acts on the stitch guide 53, and the limit screw 54 acts on the stitch guide 53 to limit the stitch guide 53; grooves for clamping the needle turning lever 51 are formed in the knitting guide rod 52 and the needle turning guide rod 53, two ends of the needle turning lever 51 are respectively positioned in the grooves of the knitting guide rod 52 and the needle turning guide rod 53, and the switching electromagnet 50 drives the needle turning lever 51 to rotate around the middle point or the fulcrum of the needle turning lever to drive the knitting guide rod 52 or the needle turning guide rod 53 to move back and forth; the knitting cam 21 moves back and forth along with the knitting guide rod 52, and when the knitting cam 21 moves forward along with the knitting guide rod 52, the knitting cam 21 is matched with the main stitch 20 to slide on the cam base plate 10 to perform knitting; the stitch cam 31 moves back and forth along with the stitch guide rod 53, when the stitch cam 31 moves forward along with the stitch guide rod 53, the stitch cam 31 cooperates with the secondary stitch 30 to slide on the cam bottom plate 10 for knitting, the knitting cam 21 and the stitch cam 31 are switched to switch knitting modes, cooperates with the primary stitch 20 or the secondary stitch 30 to slide on the cam bottom plate 10, changes the yarn bending depth of a knitting needle, controls the size of a coil, adjusts and changes knitting density, and realizes one-row knitting multi-section density knitting.

Preferably, as shown in fig. 1, 3 and 8, a plurality of needle selectors 60 are further arranged on the triangular bottom plate 10, the needle selectors 60 are located below the main stitch 20 and the sub stitch 30, a station electromagnet 72 for driving the needle connecting press leg 70 and the tucking press leg 71 to switch states is transversely arranged between the needle selectors 60, the station electromagnet 72 is arranged on the triangular bottom plate 10 through a magnet fixing seat 73, and the station electromagnet 72 is arranged in parallel with the triangular bottom plate 10.

Specifically, as shown in fig. 8 to 10, the needle pressing leg 70 and the tuck pressing leg 71 are arranged side by side on a leg pressing base 75 through a rotating pin 74, and the leg pressing base 75 is connected with the magnet fixing base 73 in a fixed connection manner; the needle pressing leg 70 and the tucking pressing leg 71 are sleeved on the rotating pin 74 through a torsion spring 76.

Preferably, as shown in fig. 8 to 10, in this embodiment, the number of the needle pressing legs 70 is two, the number of the tuck pressing legs 71 is one, the tuck pressing legs 71 are located between the two needle pressing legs 70, the number of the station electromagnets 72 is matched with the number of the needle pressing legs 70 and the tuck pressing legs 71, the output ends of the station electromagnets 72 are respectively connected with one ends of the needle pressing legs 70 or the tuck pressing legs 71, each station electromagnet 72 respectively drives the needle pressing legs 70 or the tuck pressing legs 71 to rotate on the rotating pins 74 through the torsion springs 76, and the rotation of the needle pressing legs 70 and the tuck pressing legs 71 cooperates with the movement of the main stitch 20 or the sub stitch 30 on the triangular bottom plate 10 for knitting.

Preferably, as shown in fig. 11, the cam base 10 pushes up the needle assembly, the needle assembly is located below the selector 60, the needle assembly includes a needle selection reset cam 80 and a sensor 81 for sensing the position of the needle pushing slide 82, specifically, the needle selection reset cam 80 is disposed on the cam base 10 through a needle pushing cam seat, a needle pushing bearing for moving relative to the needle pushing slide 82 is disposed on the needle pushing cam seat, a switching groove for the needle pushing bearing 83 to slide and a groove for the sensor 81 to sense the position are disposed on the needle pushing slide 82, the switching groove is in a thickened zigzag shape, and the needle pushing bearing 83 slides in the switching groove to drive the needle pushing cam to switch states, so that the selector 60 resets and selects the needle.

Preferably, the sensor 81 is connected to the main board of the computerized flat knitting machine, in this embodiment, the sensor 81 may be a magnetic sensor, and when the position of the switching sliding plate 82 moves abnormally, the sensor 81 senses the position of the switching sliding plate 821 and sends a signal to the main board of the computerized flat knitting machine, so as to send out an abnormal alarm or an early warning in time, thereby reducing the production of defective products.

The structures and the working principles of the knitting triangle, the needle turning triangle, the needle selector, the needle connecting press leg and the tucking press leg are the existing mature technologies and are not described in detail herein.

According to the flat knitting machine cam capable of knitting in multiple sections of densities, when knitting densities are actually adjusted, the switching electromagnet 50 drives the needle turning lever 51 to rotate around the center point or the fulcrum of the needle turning lever, so that the knitting guide rod 52 or the needle turning guide rod 53 is driven to move back and forth, when the knitting triangle 21 moves forwards along with the knitting guide rod 52, the main stitch motor 43 is cooperatively matched with the stitch gear 42 to drive the stitch rack 41 to rotate so as to drive the stitch rack 41 to move, the stitch bearing 35 on the stitch rack 41 slides on the stitch bearing groove of the main stitch control block, so that the main stitch 20 is driven to slide on the triangle bottom plate 10 to be knitted, and knitting densities are achieved;

when the stitch cam 31 moves forwards along with the stitch guide rod 53, the stitch cam is cooperated with the auxiliary stitch motor 44 to drive the stitch gear 42 to rotate to drive the stitch rack 41 to move, the stitch bearing 35 on the stitch rack 41 slides in a stitch bearing groove between the auxiliary stitch control block 32 and the push block 33 to drive the auxiliary stitch 30 to slide on the cam base plate 10 for knitting, so as to realize another knitting density;

the switching electromagnet 50 drives the knitting cam 21 and the stitch transferring cam 31 to switch knitting modes, and multi-stage density knitting is carried out in the same row of knitting in cooperation with the work of the main stitch 20 and the sub stitch 30.

Meanwhile, the station electromagnet 72 respectively drives the needle connecting pressing leg 70 or the tucking pressing leg 71 to rotate on the rotating pin 74 through the torsion spring 76, and the rotation of the needle connecting pressing leg 70 and the tucking pressing leg 71 is cooperated with the movement of the main stitch 20 or the secondary stitch 30 on the triangular bottom plate 10 for knitting.

When the auxiliary stitch collides with the needle, the push block 33 rotates relative to the auxiliary stitch control block 32 due to the action of inertia, so that the pressure spring 36 between the auxiliary stitch control block 32 and the push block 33 is compressed, the pressure spring 36 generates elasticity after being compressed, the elasticity acts on the auxiliary stitch control block 32 and the push block 33 and further acts on the auxiliary stitch 30, the auxiliary stitch 30 can buffer the collision with the needle, and the needle stitch is prevented from being stretched and broken when the auxiliary stitch 30 collides with the needle.

When the needle selecting reset triangle 80 is abnormal, the sensor 81 senses the position of the switching slide plate 82 and sends a signal to the main board of the computerized flat knitting machine, and an abnormal alarm or an early warning is sent out in time so as to ensure that the needle selector is normally reset and selected by maintenance.

Compared with the prior art, the flat knitting machine cam plate capable of achieving multi-section density knitting is characterized in that the auxiliary stitch buffering assembly is arranged on the auxiliary stitch, so that the problem that production efficiency is affected due to the fact that knitting threads stretch out when the auxiliary stitch collides with a needle is solved, a knitting mode is switched by switching a knitting triangle and a needle turning triangle through a switching electromagnet, the work of the main stitch and the auxiliary stitch is matched in a coordinated mode, and multi-section density knitting is achieved in the same row of knitting process; the flat knitting machine cam plate capable of knitting in multiple sections of densities, provided by the invention, can realize multiple sections of densities in the same row of knitting, improve the production efficiency and reduce the production cost caused by motor damage.

Although terms such as cam plate, main stitch, sub stitch, knitting cam, stitch cam, switching electromagnet, stitch lever, station electromagnet, needle selection return cam, etc. are used more often herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (10)

1. The utility model provides a but flat-bed machine mountain board that multistage density was woven which characterized in that: the knitting machine comprises a triangular bottom plate (10), wherein a main stitch (20) and an auxiliary stitch (30) are arranged on one side of the triangular bottom plate (10), an auxiliary stitch buffer component is arranged on the auxiliary stitch (30), knitting triangles (21) are arranged between the main stitch (20), and needle turning triangles (31) are arranged between the auxiliary stitch (30);

a stitch motor (40) for changing the positions of the main stitch (20) and the auxiliary stitch (30) is arranged on the other side of the triangular bottom plate (10) in a stepped manner, and a switching electromagnet (50) for driving the knitting triangle (21) and the stitch transfer triangle (31) to be switched is arranged between the stitch motors (40);

the main stitch (20) and the auxiliary stitch (30) work simultaneously to match with the switching of the knitting triangle (21) and the stitch transfer triangle (31) so as to switch knitting modes to carry out multi-section density knitting in the same row of knitting.

2. The flat knitting machine mountain board capable of multi-stage density knitting according to claim 1, characterized in that: the utility model discloses a novel electric power transmission mechanism, including triangle bottom plate (10), seted up the confession on triangle bottom plate (10) main degree mesh (20) with the spout that vice degree mesh (30) removed, main degree mesh (20) are connected with main degree mesh control block, vice degree mesh (30) are connected with vice degree mesh control block (32), main degree mesh control block with vice degree mesh control block (32) are equallyd divide and are connected with degree mesh rack (41), the output of degree mesh motor (40) is equipped with degree mesh gear (42), degree mesh rack (41) with degree mesh gear (42) mesh mutually.

3. The flat knitting machine mountain board capable of multi-stage density knitting according to claim 2, characterized in that: the auxiliary stitch buffering assembly comprises a push block (33), the auxiliary stitch control block (32) is detachably and/or movably connected with the push block (33), and the push block (33) can rotate on the auxiliary stitch control block (32); the auxiliary mesh control block (32) and the push block (33) are connected through a boss (34), a mesh bearing groove for a mesh bearing (35) to slide is formed between the boss (34) and the push block (33), and the mesh bearing (35) is arranged on the mesh rack (41).

4. The flat-bed machine platen capable of multi-stage density knitting according to claim 3, characterized in that: the auxiliary degree control block (32) is provided with a first groove, the push block (33) is provided with a second groove, and a pressure spring (36) is arranged in the first groove and the second groove.

5. The flat knitting machine mountain board capable of multi-stage density knitting according to claim 2, characterized in that: degree mesh motor (40) are including being used for the drive main degree mesh motor (43) and the drive that main degree mesh (20) removed vice degree mesh motor (44) that vice degree mesh (30) removed, main degree mesh motor (43) with vice degree mesh motor (44) ladder is located in turn on triangular bottom plate (10), switching electromagnet (50) are located main degree mesh motor (43) with between vice degree mesh motor (44).

6. The flat-bed machine mountain plate capable of multi-stage density knitting according to claim 5, characterized in that: switch electro-magnet (50) switch through the needle turning lever (51) weave triangle (21) with state between needle turning triangle (31), the both ends of needle turning lever (51) are located respectively and are woven guide arm (52) and needle turning guide arm (53) the recess in, switch electro-magnet (50) are located needle turning guide arm (53) rear direct action needle turning guide arm (53), weave guide arm (52) with it is connected to weave triangle (21), needle turning guide arm (53) with needle turning triangle (31) are connected.

7. The flat knitting machine mountain board capable of multi-stage density knitting according to claim 1, characterized in that: the triangular bottom plate (10) is also provided with a plurality of needle selectors (60), and the needle selectors (60) are positioned below the main stitch (20) and the auxiliary stitch (30); a station electromagnet (72) for driving the needle connecting pressing leg (70) and the tucking pressing leg (71) to switch states is transversely arranged between the needle selectors (60), the station electromagnet (72) is arranged on the triangular bottom plate (10) through a magnet fixing seat (73), and the station electromagnet (72) is parallel to the triangular bottom plate (10).

8. The flat-bed machine platen capable of multi-stage density knitting according to claim 7, wherein: the needle connecting pressing leg (70) and the tuck pressing leg (71) are arranged on a pressing leg seat (75) side by side through a rotating pin (74), and the pressing leg seat (75) is connected with the magnet fixing seat (73); the needle connecting pressing leg (70) and the tucking pressing leg (71) are sleeved on the rotating pin (74) through a torsion spring (76).

9. The flat knitting machine mountain board capable of multi-stage density knitting according to claim 1, characterized in that: the triangular bottom plate (10) is also provided with a push needle assembly which is positioned below the needle selector (60); the push needle assembly comprises a needle selection reset triangle (80) and a sensor (81) for sensing the position of a push needle sliding plate (82).

10. The flat-bed machine platen capable of multi-stage density knitting according to claim 9, characterized in that: the needle selection reset triangle (80) is arranged on the triangle bottom plate (10) through a push needle triangle seat, a push needle bearing (83) which is used for moving relative to the push needle sliding plate (82) is arranged on the push needle triangle seat, a switching groove for the push needle bearing (83) to slide is formed in the push needle sliding plate (82), and the push needle bearing (83) slides in the switching groove to drive the push needle triangle to switch states.

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