CN111593473A - A knitting triangle system in a flat knitting machine - Google Patents

Abstract

The invention discloses a knitting cam system in a flat knitting machine, which comprises a cam panel, wherein the cam panel is divided into a knitting area and a needle selecting area; a knitting needle-turning cam is arranged at the center of the knitting area, a knitting track and a needle-turning track are arranged on the knitting needle-turning cam, and a switching cam is arranged at the boundary of two sides of the two tracks; the stitch cam, the sinker cam and the upper protection cam are sequentially arranged on two sides of the knitting needle-turning cam, the sinker cam is linked with the stitch cam, and the stitch cam are movably arranged on a cam panel; a reset triangle is arranged below the upper hill protector, and a reset driving component for driving the reset triangle is arranged behind the triangle panel; two needle raising triangles and two needle connecting triangles are symmetrically arranged in the middle of the needle selecting area. The invention switches the knitting needle to enter a knitting needle running track or a needle turning needle running track through the rotary switching cam, and the stitch cam and the sinker cam are driven by the same driving mechanism; the reset triangle automatically moves up and down to adjust the height of the back stitch according to the requirements of different fabrics.

Description

A knitting triangle system in a flat knitting machine

technical field

The invention belongs to the technical field of knitting machinery, and particularly relates to a knitting triangle system in a flat knitting machine.

Background technique

The triangular system of the flat knitting machine is installed in the head and moves left and right with the head. The machine head includes a mountain board, and the mountain board is divided into a needle selection mother board and a triangular panel. Under the operation of the machine head, the needle board assists the needle board to complete various knitting forms (ie knitting, needle transfer, tuck, needle connection). The main triangles are the needle selection and push triangle, the mountain protection, the Zhongshan guide block, the needle transfer guide block, the degree mesh triangle, the Xinke triangle, etc. The Zhongshan guide block provides a needle trajectory for the lower stitches of the needle jack during normal knitting; the transfer guide block provides a needle trajectory for the upper stitch of the needle jack during needle transfer. The Zhonghushan is used to return the knitting needle during the knitting process; the Xinke triangle can control the back and forth swing of the sinker to press the fabric, and the cam triangle is used to adjust the weaving density of the fabric to meet the density requirements of various patterns.

In order to realize the formation of knitting, stitching, retracting and releasing of various double-sided fabrics, the knitting flat knitting machine adopts a multi-needle bed structure. Some flat knitting machines have four or more needle beds, and each needle bed has a row of knitting needles. , so that four or more rows of knitting needles are involved in knitting. Each row of knitting needles needs a separate mountain plate. Considering the capacity of the machine head, the area of the mountain plate facing the upper needle bed is limited. For the diversification of needles from the bed, the mountain board corresponding to the needle bed must be fully functional.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a knitting cam system with complete functions and compact structure, which is suitable for guiding the movement of knitting needles on the upper needle bed in a flat knitting machine.

Therefore, the technical scheme of the present invention is: a knitting cam system in a flat knitting machine, comprising a cam panel, and the cam panel is divided into a knitting area and a needle selection area;

It is characterized in that: a knitting transfer cam is arranged in the center of the knitting area, a knitting track and a transferring track are arranged on the knitting transfer cam, a switching cam is arranged at the boundary between the two sides of the knitting track and the transferring track, and a triangular panel is provided. A first drive assembly that drives the rotation of the switching triangle is installed at the rear; both sides of the knitting and transfer triangle are sequentially provided with a cam cam, a Xinke delta and an upper guard mountain. It is installed on the triangular panel, behind the triangular panel is installed a second driving component that drives the cam delta and the Xinke delta; a reset delta is arranged below the upper guard mountain, and a reset drive component that drives the reset delta is installed behind the triangular panel; the There are two needle-raising triangles and two needle-connecting triangles symmetrically arranged in the middle of the needle-selection area. There are middle protection hills above the needle-starting triangle and the needle-connecting triangle, a thimble triangle below, and lower protection hills on both sides of the needle triangle.

Preferably, the knitting transfer cam is symmetrical to the left and right along the center line, the two sides of the knitting transfer cam are provided with flared track entrances, and the top of the track entrance is divided into two tracks, namely the knitting track and the transfer track; the switching cam It is arranged at the boundary between the knitting track and the transfer track, the first driving component drives the switching cam to rotate, and the track inlet is connected to the knitting track or the transfer track.

Preferably, the first drive assembly includes a rotating motor, a pull rod and a clamping block, a first cam is installed on the rotating motor, a partial edge of the first cam is wavy in the axial direction, and two pull rods are provided on the pull rod. The first bearing, the wavy edge of the first cam is placed between the two first bearings, and cooperates with the first bearings; the left and right sides of the pull rod are provided with a slot hole, and the switching triangle is installed on the clip through the triangle panel. On the tightening block, the clamping block is placed in the slot holes on both sides of the pull rod through the second bearing; the rotating motor drives the pull rod to reciprocate through the first cam, and drives the switching triangle to rotate.

Preferably, the clamping block is divided into a left clamping block and a right clamping block which are arranged opposite to each other, and a leaf spring is arranged between them; the end of the clamping block is provided with a second bearing, and the second bearing is placed on the In the slot hole of the pull rod, a mounting hole is arranged in the middle of the clamping block, and the switching triangle is fixed in the mounting hole.

Preferably, a boss is provided on the side of the sigmoid triangle facing the skein triangle, a groove is arranged on the side of the skein triangle, the boss of the skein triangle is placed in the groove of the skein triangle, and the shinky triangle is connected to the skein triangle through the boss. The matching of the grooves is linked with the cam triangle.

Preferably, the second drive assembly includes a tumbler motor, a tumbler cam, and a tumbler connecting piece, the tumbler triangle is installed on the tumbler connecting piece through the tumbler chute of the triangular panel, the tumbler cam is installed on the tiktok motor, and the tumbler connecting piece passes through the tumbler connecting piece. The three bearings are close to the profile surface of the cam, and the cam motor drives the delta and the Xinke triangle through the cam.

Preferably, the stitch connecting piece includes a stitch swing rod, a stitch connecting block and a stitch guide block, the stitch guide block is placed in the stitch chute of the triangular panel, one side of the stitch guide block is connected to the stitch triangle, and the other side is installed with a stitch connecting block ; One end of the swivel rod is rotatably mounted on the swivel connecting block, the other end is provided with a first hook, the sizing connecting block is provided with a second hook, and the swinging rod and the sizing connecting block are each provided with a third bearing, A first tension spring is arranged on the first hook of the stitch pendulum rod and the second hook of the stitch connecting block.

Preferably, the Xinke triangle is installed on the Xinke triangle slider, the Xinke triangle slider is placed in the Xinke triangle chute of the triangle panel, and a second tension spring is arranged between the Xinke triangle slider and the triangle panel. .

Preferably, the reset triangle is fixed with the reset triangle cover plate, and is movably installed in the vertical groove of the triangle panel; the reset drive assembly includes a reset motor and a reset link, the reset motor is provided with a gear, and the reset link is provided with a gear. There is a rack meshing with the gear, and the reset motor drives the reset connecting rod through the rack; the reset connecting rod is also provided with an inclined movable groove, and the reset triangular cover plate is provided with a reset bearing, and the reset bearing is placed in the reset connecting rod. In the inclined movable groove of the rod, the reset link drives the reset triangle to move up and down.

The invention combines the originally separately arranged Zhongshan guide blocks for knitting and transfer guide blocks for transfer into one knitting and transferring cam, and then switches the knitting track and the transferring track by switching the cam, and guides the knitting needles to complete knitting and transferring. Transfer work. The invention drives the pull rod by rotating the first cam on the motor. The lower edge of the first cam is wave-shaped, and is placed between the two first bearings of the pull rod, and cooperates with the first bearings. The undulating wave shape is distributed in the axial direction. As the cam rotates, the wavy edge will drive the tie rod to move back and forth, thereby driving the clamping block and the switching triangle fixed on the clamping block to rotate to complete the switching of the needle trajectory.

The invention links the Xinke delta and the Dome delta, which are originally independently driven, and is driven by the same mechanism, which can not only meet the working requirements of the Dome Delta and the Xinke Delta, but also reduce the cost of the machine head. When the stitching motor drives the stitching cam to rotate, the stitching rod and the stitching connecting block move along the profile surface of the stitching cam through the bearing, and the distance between each point on the profile surface of the stitching cam and the axis changes, thus driving the stitching triangle to move back and forth. When the dome triangle moves outward, the inner edge of the groove of the dome triangle will touch the boss of the symbol triangle, thereby driving the symbol triangle to move outward; when the dome triangle is reset inward, the symbol triangle is pulled in the second pull. Under the action of the spring, it also moves inward, and is close to the side of the groove of the cam triangle. Until the second tension spring is reset, the cam triangle can continue to move inward. If the second tension spring fails during the movement of the Xinke triangle, the dome triangle can also drive the Xinke triangle to reset inward.

When the invention works, the reset motor drives the reset link to move left and right through the meshing of the gear and the rack, and the inclined movable groove of the reset link drives the reset triangle, so that the reset triangle moves up and down along the vertical groove of the triangle panel. The reset triangle can automatically move on the inclined movable groove according to the requirements of the cloth piece, and continuously adjust the reset position and height of the knitting needle to meet more knitting needs.

The switching cam of the present invention can be rotated, and the knitting needle can be switched to enter the knitting needle track or the needle transfer track by rotating; the cam cam and the Xinke cam are driven by the same driving mechanism, and can slide up and down along the chute of the cam panel, and the cam cam can be adjusted The density of the fabric, the Xinke triangle controls the action of the sinker; the reset triangle is driven by the reset drive component, and automatically moves up and down to adjust the height of the back stitch according to the needs of different fabrics; the starting cam and the stitching cam of the present invention can be selected according to the knitting requirements. Sexually entering or exiting the workstation.

Description of drawings

Further detailed description will be given below in conjunction with the accompanying drawings and the embodiments of the present invention

Fig. 1 is the weaving triangle structure schematic diagram of the present invention;

Fig. 2 is the knitting needle track of the present invention;

Fig. 3 is the needle transfer track of the present invention;

Fig. 4 is the needle-connecting needle track of the present invention;

5 is an exploded view of the parts of the first drive assembly;

6 is a schematic structural diagram of a first drive assembly;

7 is a schematic diagram of the internal structure of the first drive assembly;

Fig. 8 is the structural representation of the first cam;

Fig. 9 is the state diagram of switching triangle in weaving position;

Figure 10 is a schematic diagram of the position of the pull rod when the switching triangle is in the knitting position;

Figure 11 is a state diagram of the switching triangle in the transfer position;

Figure 12 is a schematic diagram of the position of the pull rod when the switching triangle is in the transfer position;

Figure 13 is an exploded view of the parts of the second drive assembly;

14 is a schematic structural diagram of a second drive assembly;

15 is a schematic diagram of the internal structure of the second drive assembly;

Fig. 16 is the driving structure diagram of the letter-gram triangle and the skein triangle;

Fig. 17 is the coordination structure diagram of the letter-gram triangle and the degree-mesh triangle;

Figure 18 is an exploded view of the parts of the reset drive assembly.

The figure is marked as: triangle mother board 1, needle selection mother board 2;

Knitting transfer cam 3, track inlet 31, knitting track 32, transfer track 33, rotating motor 34, pull rod 35, slot 351, clamping block 36, motor frame 37, guide base 38, first cam 39, wave shape edge 391, tie rod cover 310, first bearing 311, leaf spring 312, second bearing 313;

Switching triangle 4, mounting part 41;

Dome triangle 5, groove 51, Dome motor 52, Dome cam 53, Dome pendulum 54, First hook 541, Dome connecting block 55, Second hook 551, Dome guide block 56, Dome chute 57, Third bearing 58 , the first tension spring 59;

Xinke triangle 6, boss 61, Xinke triangle slider 62, spring rubber seat 63, second tension spring 64;

Shanghushan 7;

Reset triangle 8, reset triangle cover plate 81, reset motor 82, reset connecting rod 83, inclined movable groove 831, sensing block 832, gear 84, connecting rod seat 85, connecting rod rack 86, reset bearing 87, sensor 88, Sensor seat 89;

Starting needle 9, connecting needle 10, middle guard 11, lower guard 12, thimble 13.

Detailed ways

See attached image. The knitting cam system of this embodiment includes a cam panel. The cam panel is divided into a cam motherboard 1 and a needle selection motherboard 2. The cam motherboard 1 and the needle selection motherboard 2 are fixedly connected, and the position of the cam motherboard 1 is higher than the needle selection motherboard. Motherboard 2. The knitting transfer cam 3, the switching cam 4, the dome cam 5, the Xinke cam 6, the upper guard 7 and the reset cam 8 are installed on the cam motherboard 1 to form a knitting area; The needle-starting triangle 9, the needle-connecting triangle 10, the middle-protecting mountain 11, the lower-protecting mountain 12 and the thimble-pointing triangle 13 are installed to form the needle selection area.

The knitting transfer cam 3 is symmetrical along the center line as a whole, and two sides of the knitting transfer cam 3 are provided with trumpet-shaped track entrances 31. The top of the track entrance is divided into two tracks, namely the knitting track 32 and the transfer track 33, and the transfer track 33 is higher than the knitting track 32, but the track entrances of the two tracks are the same; the boundary between the knitting track 32 and the transfer track 33 is provided with a switching cam 4; the switching cam 4 has two, symmetrically arranged in the knitting The left and right sides of the transfer cam 3; the rear end of the switching cam 4 is provided with a mounting portion 41, and the mounting portion 41 passes through the cam motherboard 1; it also includes a first driving component that drives the switching cam 4 to rotate, and the switching cam 4 rotates In the process, there are two states of knitting position and transfer position: in the knitting position, the switching cam 4 is blocked on the transfer track 33, and the track inlet 31 is connected to the knitting track 32; in the transfer position, the switching cam 4 is blocked on the knitting track 32, and the track The inlet 31 communicates with the transfer track 33 .

The first drive assembly includes a rotating motor 34, a pull rod 35 and a clamping block 36. The rotating motor 34 is installed on the back of the triangular motherboard 1 through a motor frame 37, and a guide base with a chute is also installed on the triangular motherboard 1. seat 38; a first cam 39 is installed on the motor shaft of the rotating motor 34, the first cam 39 is vertically arranged, and the lower edge is a wave-like edge 391, that is, an undulating wave-like structure in the axial direction; the The main body of the pull rod 35 is a long strip and is placed in the chute of the guide base 38 . The pull rod cover 310 limits the pull rod in the chute of the guide base 38 , and the pull rod 35 can go back and forth in the chute of the guide base 38 . Move; two first bearings 311 are arranged above the tie rod 35, and the two first bearings 311 are located on both sides of the wave-like edge 391 of the first cam, and can move against the wave-like edge 391. When the first cam 39 rotates , the wavy edge 391 can drive the pull rod 35 through the first bearing 311 ; the left and right sides of the pull rod 35 are respectively provided with a slot 351 .

The clamping block 36 is divided into a left clamping block and a right clamping block arranged oppositely, and a leaf spring 312 is arranged between the two, so that the switching triangle 4 can be close to one side when it is in the knitting position or the needle transfer position, preventing the Shake, eliminate the gap, and make the needle move smoothly. The opposite ends of the two clamping blocks are respectively provided with a second bearing 313, and the two second bearings 313 are respectively placed in the slot holes 351 on both sides of the tie rod 35; The mounting portion 41 of the triangle 4 passes through the through hole on the triangle motherboard and is fixed in the mounting hole of the clamping block 36. When the rotating motor 34 drives the pull rod 35 to move back and forth through the first cam 39, the pull rod 35 drives the two clamping blocks. 36 , so that the clamping block 36 together with the switching cam 4 rotates around the through hole on the cam motherboard 1 , thereby switching the needle running track on the knitting transfer cam 3 .

As shown in FIGS. 9 and 10 , the initial position of the switching cam 4 is in the knitting position, and the leaf spring 312 between the two clamping blocks 36 makes the switching cam 4 close to the transfer track 33 above the knitting transfer cam 3 , so that after entering from the track entrance 31, the knitting needle moves along the lower knitting track 32 to complete the knitting work. As shown in Fig. 11 and Fig. 12 , the pull rod 35 moves upward, and drives the clamping block 36 together with the switching cam 4 to rotate around the through hole on the cam motherboard 1, so that the switching cam 4 enters the transfer position, and the leaf spring 312 makes the switching cam 4 rotate. 4. Close to the side of the knitting track 32 below the knitting transfer cam 3, so that after the knitting needle enters from the track entrance 31, it moves along the upper transfer track 33 to complete the transfer work.

The back of the triangular motherboard 1 is also equipped with a second drive assembly that drives the skein triangle 5 and the shinker triangle 6. The second drive assembly includes a skein motor 52, a swivel cam 53, a swivel rod 54, a swivel connecting block 55 and a swivel guide block 56. ; The degree of eye motor 52 is installed on the triangle motherboard 1, the degree of eye cam 53 is installed on the motor shaft of the degree of eye motor 52.

The stitch guide block 56 is placed in the stitch chute 57 of the triangular motherboard 1, one side of the stitch guide block 56 is connected with the stitch triangle 5, and the other side is fixed with the stitch connecting block 55; one end of the stitch swing rod 54 is rotated and installed on the stitch The connecting block 55 is provided with a first hook 541 at the other end, a second hook 551 is provided on the stitching connecting block 55, and a third bearing 58 is provided on the stitching pendulum rod 54 and the stitching connecting block 55, respectively. A first tension spring 59 is provided on the second hook of the first hook and the tactile connecting block 55 , so that the two third bearings 58 can be in close contact with the inner and outer contour surfaces of the tactile cam 53 .

The Xinke triangle 6 is installed on the Xinke triangle slider 62, the Xinke triangle slider 62 is placed in the Xinke triangle chute of the triangle mother board 1, and the Xinke triangle slider 62 and the triangle mother board 1 are respectively set One spring rubber seat 63 and two ends of the second tension spring 64 are respectively hung on the two spring rubber seats 63 . A boss 61 is provided on the side of the letter triangle 6 facing the angular triangle, and a groove 51 is provided on the side of the triangle 5. The boss 61 of the letter triangle is placed in the groove 51 of the triangle, and the letter triangle 6 passes through the convex The table 61 is in contact with the edge of the groove to realize the linkage with the stitch cam 5 , and the stitch motor 52 drives the stitch 5 and the signal cam 6 through the stitch cam 53 .

When the stitch motor 52 drives the stitch cam 53 to rotate, the stitch swing rod 54 and the stitch connecting block 55 move along the contour surface of the stitch cam 53 through the third bearing 58, thereby driving the stitch triangle 5 to move back and forth in the stitch chute 57. When the stitch cam 53 rotates clockwise, the stitch triangle 5 moves in the direction A, the boss 61 on the side of the stitch triangle 6 touches one side of the groove 51 on the stitch triangle 5, and the two move together in the direction A until the stitch guide block 56 It is limited by one side of the stitch chute 57 on the triangular motherboard 1 . When the stitch cam 53 rotates counterclockwise, the stitch triangle 5 moves to the B direction, and the signal triangle 6 also moves to the B direction under the action of the second tension spring 64, and is close to the side of the groove 51 of the stitch triangle 5 until the third The two tension springs 64 are reset, and the stitching triangle 5 can continue to move in the B direction as required until the stitching guide block 56 is limited by the other side of the stitching chute 57 on the triangle mother board. If the second tension spring 64 fails during the movement of the Xinke triangle 6, the stitch triangle 5 can also drive the Xinke triangle 6 to move in the B direction.

The back of the triangular motherboard 1 is also provided with a reset drive assembly that drives the reset triangle, the reset triangle 8 is fixed with the reset triangle cover plate 81, and is movably installed in the vertical groove of the triangle motherboard 1; the reset drive assembly includes reset The motor 82 and the reset connecting rod 83, the reset motor 82 is installed on the needle selection motherboard 2, and the gear 84 is installed on the motor shaft of the reset motor 82; the triangle motherboard 1 is provided with a connecting rod seat 85, and the reset connecting rod 83 It is movably installed on the connecting rod seat 85 , a connecting rod rack 86 is fixedly installed on the reset connecting rod 83 , the connecting rod rack 86 is engaged with the gear 84 on the reset motor, and the reset motor 82 is driven by the connecting rod rack 86 The reset link 83; the reset link 83 is also provided with a plurality of inclined movable grooves 831, and the number of the inclined sliding grooves 831 is consistent with the number of reset triangles; the reset triangle cover plate 81 is installed with reset Bearing 87, the reset bearing 87 is placed in the inclined movable groove of the reset link 83. One end of the reset link 83 is provided with a sensing block 832 , and a sensor base 89 and a sensor 88 are installed on the needle selector motherboard 2 . The sensing block and the sensor work together to sense whether the reset triangle is at the lowest position.

The reset motor 82 drives the connecting rod rack 86 through the gear 84, thereby driving the reset connecting rod 83 to move left and right. Action, drive the reset triangle 8 to move up and down in the vertical groove of the triangle mother board 1 .

As shown in Fig. 2, during knitting, the two needle-raising cams 9 enter the working position, the two needle-connecting cams 10 exit the working position, and the selector jacks rise along the needle-raising cams. The knitting needle above the sheet enters the knitting transfer triangle; at this time, the switching triangle is in the knitting position, that is, the switching triangle is close to the side of the transfer track above the knitting transfer triangle, so that the knitting needle enters the knitting track below to complete the knitting work and knitting. The knitting trajectory of the needle is S2.

As shown in Figure 3, when transferring needles, the two needle raising cams 9 enter the working position, the two needle connecting cams 10 exit the working position, and the selector jack rises along the needle raising cam. The knitting needle above the needle piece enters the knitting transfer triangle; at this time, the switching triangle is in the transfer position, that is, the switching triangle is close to the side of the knitting track below the knitting transfer triangle, so that the knitting needle enters the upper transfer track to complete the transfer. Work, the needle transfer trajectory of the knitting needle is S4.

As shown in Figure 4, when the needle is connected, if the machine head moves to the left, the left and right needle starting triangles and the left needle connecting triangle exit the working position, the right needle connecting triangle enters the working position, and the knitting needle moves along the needle The needle trajectory moves, the needle movement trajectory of the needle selector is S5, and the needle connection trajectory of the knitting needle is S6; The left needle-connecting triangle enters the working position, and the knitting needle moves along the needle-connecting trajectory.

On the upper and lower needle beds, the needle grooves at the same position cannot be released together, otherwise there will be interference. When the knitting needle at this position of the lower needle bed is released, the stitch triangle of the upper needle bed needs to be lowered to the lowest position, and the reset triangle also needs to be Descend, making sure the altitude is lower than the lowest position of the triangle.

Claims (9)

1. A knitting cam system in a flat knitting machine, comprising a cam panel, and the cam panel is divided into a knitting area and a needle selection area; It is characterized in that: a knitting transfer cam is arranged in the center of the knitting area, a knitting track and a transferring track are arranged on the knitting transfer cam, a switching cam is arranged at the boundary between the two sides of the knitting track and the transferring track, and a triangular panel is provided. A first drive assembly that drives the rotation of the switching triangle is installed at the rear; both sides of the knitting and transfer triangle are sequentially provided with a cam cam, a Xinke delta and an upper guard mountain. It is installed on the triangular panel, behind the triangular panel is installed a second driving component that drives the cam delta and the Xinke delta; a reset delta is arranged below the upper guard mountain, and a reset drive component that drives the reset delta is installed behind the triangular panel; the There are two needle-raising triangles and two needle-connecting triangles symmetrically arranged in the middle of the needle-selection area. There are middle protection hills above the needle-starting triangle and the needle-connecting triangle, a thimble triangle below, and lower protection hills on both sides of the needle triangle. 2. The knitting cam system in a flat knitting machine as claimed in claim 1, wherein the knitting transfer cam is left-right symmetrical along the center line, and both sides of the knitting transfer cam are provided with flared track entrances, and the track The top of the entrance is divided into two tracks, namely the knitting track and the transfer track; the switching cam is arranged at the boundary between the knitting track and the transferring track, the first drive assembly drives the switching cam to rotate, and the track entrance is connected to the knitting track or the transferring track . 3. The knitting cam system in a flat knitting machine according to claim 2, wherein the first drive assembly comprises a rotating motor, a pull rod and a clamping block, and a first cam is installed on the rotating motor, The partial edge of the first cam is wavy in the axial direction, two first bearings are arranged on the tie rod, and the wavy edge of the first cam is placed between the two first bearings and cooperates with the first bearings; The left and right sides of the tie rod are provided with a slot hole, the switching triangle is installed on the clamping block through the triangular panel, and the clamping block is placed in the slot hole on both sides of the tie rod through the second bearing; the rotating motor is driven by the first cam The pull rod moves back and forth, driving the switching triangle to rotate. 4. The knitting triangle system in a flat knitting machine as claimed in claim 3, wherein the clamping block is divided into a left clamping block and a right clamping block which are arranged oppositely, and a plate is arranged between the two The end of the clamping block is provided with a second bearing, the second bearing is placed in the slot hole of the tie rod, the middle of the clamping block is provided with a mounting hole, and the switching triangle is fixed in the mounting hole. 5. The weaving triangle system in a flat knitting machine as claimed in claim 1, characterized in that: the side of the cam delta toward the cam delta is provided with a boss, the side of the cam delta is provided with a groove, and the side of the cam delta is provided with a groove. The boss of the triangle is placed in the groove of the triangle, and the Xinke triangle is linked with the triangle through the cooperation of the boss and the groove. 6. The weaving cam system in a flat knitting machine as claimed in claim 1, wherein the second drive assembly comprises a cam motor, a cam and a cam connector, and the cam passes through the cam chute of the triangular panel It is installed on the dome connector, the dome cam is installed on the dome motor, the dome connector is close to the contour surface of the dome cam through the third bearing, and the dome motor drives the dome triangle and the Xinke triangle through the dome cam. 7. The knitting triangle system in a flat knitting machine as claimed in claim 6, wherein the stitch connecting piece comprises a stitch swing bar, a stitch connecting block and a stitch guide block, and the stitch guide block is placed on the stitch of the triangular panel. In the chute, one side of the stitch guide block is connected to the stitch triangle, and the other side is installed with the stitch connecting block; one end of the stitch swing rod is rotatably installed on the stitch connecting block, the other end is provided with a first hook, and the stitch connecting block is provided with a first hook. Two hooks, a third bearing is arranged on the skein swing rod and the skein connecting block, and a first tension spring is arranged on the first hook of the skewing swinging rod and the second hook of the skewing connecting block. 8. The weaving cam system in a flat knitting machine as claimed in claim 1, wherein the cam delta is installed on the cam delta slider, and the cam delta slider is placed on the cam delta of the triangular panel In the chute, a second tension spring is arranged between the Xinke triangular slider and the triangular panel. 9. The knitting cam system in a flat knitting machine according to claim 1, wherein the reset cam is fixed to the reset cam cover plate, and is movably installed in the vertical groove of the cam panel; the reset drive The assembly includes a reset motor and a reset link, the reset motor is provided with a gear, the reset link is provided with a rack that meshes with the gear, and the reset motor drives the reset link through the rack; the reset link is also provided with an inclined There is a reset bearing on the reset triangle cover plate, the reset bearing is placed in the inclined movable groove of the reset link, and the reset link drives the reset triangle to move up and down.

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