A needle selection device of a computerized flat knitting machine, a needle assembly and a knitting method

Abstract

The application discloses a cam plate device, a knitting needle assembly and a knitting method of a computerized flat knitting machine, which comprises a cam plate, a knitting unit, a pressing piece unit and a needle selection unit, the knitting unit is arranged on the upper part of the cam plate, the pressing piece unit is arranged on the middle part of the cam plate, and the needle selection unit is arranged on the lower part of the cam plate; the knitting unit comprises a dish-shaped cam and a turning cam, the dish-shaped cam is fixedly arranged on the cam plate, the turning cam is telescopically arranged above the dish-shaped cam, the surface of the dish-shaped cam is provided with a needle receiving needle track, and both sides of the surface of the dish-shaped cam are provided with air clearance grooves, and a guide rail is arranged between the air clearance grooves and the needle receiving needle track. The dish-shaped cam and the knitting needle assembly are newly designed, the structure of the dish-shaped cam and the knitting needle assembly is greatly simplified, the production cost is reduced, the needle selection speed is improved, the work efficiency is greatly improved, and the needle is more stable and smooth.

Description

Technical Field

[0001] This invention relates to the technical field of computerized flat knitting machines, and particularly to a shank device, needle assembly, and knitting method for a computerized flat knitting machine. Background Technology

[0002] With the development of technology, computerized flat knitting machines have gradually replaced hand-cranked flat knitting machines due to their advantages such as high speed and stable quality. The shank structure on the head of the computerized flat knitting machine allows the needles to complete actions such as turning needles, joining needles, knitting, and hanging stitches. Currently, the existing shanks have the following defects: (1) After the long needles leave the shank, the heel of the long needles rubs against the stitch triangle. The heel of the long needles is prone to wear under long-term operation, which reduces the service life of the long needles. Therefore, it is necessary to stop the machine to find and replace them, which greatly reduces production efficiency and increases production costs. (2) After the needle selector is selected, the needle selector blade rubs against the needle selector blade, which also greatly reduces the service life of the needle selector and increases production costs. (3) The knitting needle assembly has many parts, which greatly increases the structure of the shank and makes installation and maintenance more complicated, while reducing production efficiency. Summary of the Invention

[0003] The technical problem to be solved by the embodiments of the present invention is to provide a shank device, a needle assembly and a knitting method for a computerized flat knitting machine. The newly designed shank and needle assembly greatly simplify the structure of the shank and needle assembly, which not only reduces production costs, but also improves needle selection speed, greatly improves work efficiency, and makes needle movement more stable and smooth.

[0004] To achieve the above objectives, the present invention discloses a shank device for a computerized flat knitting machine, comprising a triangular base plate, a knitting unit, a pressing unit, and a needle selection unit. The knitting unit is disposed on the upper part of the triangular base plate, the pressing unit is disposed on the middle part of the triangular base plate, and the needle selection unit is disposed on the lower part of the triangular base plate.

[0005] The knitting unit includes a disc mountain and a turning triangle. The disc mountain is fixedly set on the triangle base plate. The turning triangle is telescopically set above the disc mountain. The surface of the disc mountain has a needle receiving channel. There are clearances on both sides of the surface of the disc mountain. A guide rail is provided at the upper edge between the clearance groove and the needle receiving channel.

[0006] The tablet pressing unit includes a left needle pressing plate, a hanging eye pressing plate, and a right needle pressing plate. The left needle pressing plate, the hanging eye pressing plate, and the right needle pressing plate are sequentially and retractably arranged on the triangular base plate. A first linkage mechanism is provided between the left needle pressing plate, the hanging eye pressing plate, and the right needle pressing plate so that the first linkage mechanism can link the left needle pressing plate, the hanging eye pressing plate, and the right needle pressing plate to retract and extend. The clearance groove is positioned opposite to the left needle pressing plate and the right needle pressing plate.

[0007] The needle selection unit includes a needle selector, a needle selection guide block, and a magnetic attraction mechanism. The needle selection guide block is disposed on the triangular base plate, the needle selector is disposed above the needle selection guide block, and the magnetic attraction mechanism is disposed below the needle selection guide block. The needle selection guide block cooperates with the needle selector to select needles from the knitting needle assembly, so that the selected knitting needle assembly makes magnetic contact with the magnetic attraction mechanism.

[0008] Furthermore, the first linkage mechanism includes a push plate, on which a first needle guide groove, a hanging eye guide groove, and a second needle guide groove are respectively provided, which slide and cooperate with the left needle pressing plate, the hanging eye pressing plate, and the right needle pressing plate. The push plate is driven by a rotation drive device to move the left needle pressing plate, the hanging eye pressing plate, and the right needle pressing plate in a telescopic motion.

[0009] A second linkage mechanism is provided between the rotary drive device and the needle flipping triangle, so that the rotary drive device can be linked to the extension and retraction movement of the needle flipping triangle.

[0010] Furthermore, the distance between the left end of the second needle guide groove and the front end face of the push plate is greater than the distance between the left end of the first needle guide groove and the front end face of the push plate, while the distance between the right end of the second needle guide groove and the front end face of the push plate is less than the distance between the right end of the first needle guide groove and the lower end of the push plate.

[0011] Furthermore, the magnetic attraction mechanism includes a magnetic base and a magnetic component. The magnetic base is fixedly disposed at the bottom of the triangular base plate. The magnetic base is provided with a slot. The magnetic component is inserted into the slot of the magnetic base. The magnetic base is also provided with a through groove.

[0012] Furthermore, a pair of magnetically conductive blocks are respectively provided on the upper and lower surfaces of the magnetic component, a spacer is provided between the magnetically conductive blocks, and a copper sheet is provided between the spacer and the magnetically conductive blocks.

[0013] Furthermore, it also includes a reset unit, which is disposed on both sides of the triangular base plate. The reset unit includes a movable reset triangle and a fixed reset triangle. The fixed reset triangle is fixedly disposed on one side of the pressing unit. One side of the fixed reset triangle has a recess. One end of the movable reset triangle is rotatably connected to the recess of the fixed reset triangle.

[0014] Furthermore, it also includes a mesh unit, which includes a left mesh triangle and a right mesh triangle. The left mesh triangle and the right mesh triangle are respectively disposed on both sides of the weaving unit and slide in cooperation with the triangular base plate. A third linkage mechanism is provided between the left mesh triangle and the right mesh triangle so that the third linkage mechanism drives the left mesh triangle and the right mesh triangle to slide.

[0015] The present invention also provides a needle assembly for the shank device of the above-mentioned computerized flat knitting machine, including a needle, a long needle foot, and a spring-loaded needle selector foot. The lower part of the needle is connected to the upper part of the long needle foot, and the upper part of the long needle foot has a reinforcing plate. The spring-loaded needle selector foot is disposed opposite to the lower outer part of the long needle foot.

[0016] Furthermore, the spring-loaded needle selection pin includes a spring needle segment and a needle selection segment. The upper part of the needle selection segment is located on the lower outer side of the spring needle segment. An elastic sheet is provided at the rear end of the needle selection segment at the lower part of the spring needle segment. The lower part of the needle selection segment has a clearance section that bends toward the long needle pin. The clearance section is magnetically connected to the magnetic component.

[0017] The present invention also provides a knitting method using the above-mentioned computer flat knitting machine's shank device and needle assembly, wherein the knitting process includes a hanging stitch process, a needle joining process, a knitting process, a turning stitch process, and a non-knitting process;

[0018] The needle-attaching process includes the following steps: After the spring-loaded needle selector has passed through the pre-selection stage, its lower heel is positioned in the guide triangle. During needle attachment, the needle selector first does not select the spring-loaded needle selector. As the lower heel of the spring-loaded needle selector passes the needle selector along the top edge of the guide triangle, the toothed plate of the spring-loaded needle selector is pressed into the needle groove by the pin triangle, and the lower part of the spring-loaded needle selector is magnetically attracted to the magnetic component, causing the spring-loaded needle selector to move along the first trajectory of the guide triangle, so that the upper heel of the spring-loaded needle selector is in position H. Then, the rotary drive device drives the left and right needle-attaching plates to extend out of the triangular base plate, and the hanging plate retracts into the triangular base plate. The left needle-attaching plate then attaches the spring-loaded needle selector. The spring needle segment of the needle foot is pressed into the needle groove, and the spring needle selection segment sinks the heel of the long needle foot into the needle groove, so that the heel of the long needle foot moves in a straight line along the surface of the disc mountain. When it passes the gap formed by the hanging eye pressure plate, the spring needle segment of the spring needle selection foot returns to its original position, and the heel of the long needle foot is exposed in the needle groove, so that the heel of the long needle foot falls into the needle receiving path of the disc mountain and moves along the trajectory of the needle receiving path. Finally, the spring needle segment extends through the right needle receiving pressure plate and presses part of the heel of the long needle foot into the needle groove, so that the heel of the long needle foot enters the clearance groove along the guide track, so that after the heel of the long needle foot leaves the clearance groove, it gradually descends along the side wall trajectory of the right eye triangle, thus completing the needle receiving process.

[0019] The needle lifting process includes the following steps: After the spring-loaded needle selector is pre-selected, its lower heel is positioned in the guide needle triangle. During needle lifting, the needle selector first does not select the spring-loaded needle selector. As the lower heel of the spring-loaded needle selector passes the needle selector along the top edge of the guide needle triangle, the toothed plate of the spring-loaded needle selector is pressed into the needle groove by the ejector needle triangle, and the lower part of the spring-loaded needle selector is magnetically attracted to the magnetic component, causing the spring-loaded needle selector to move along the first trajectory of the guide needle triangle, so that the upper heel of the spring-loaded needle selector is in position H. Then, the rotary drive device drives the left and right needle receiving plates to retract into the triangular base plate, and the needle lifting pressure... The needle plate extends out of the triangular base plate and retracts into the triangular base plate through the second linkage mechanism. When the spring needle segment of the spring needle selector passes through the space formed by the left needle pressing plate, the heel of the long needle gradually rises along the side wall of the plate. When it passes through the hanging eye pressing plate, the spring needle segment of the spring needle selector is pressed into the needle groove, and the spring needle segment presses the heel of the long needle into the needle groove, so that the long needle moves in a straight line along the surface of the plate. When it reaches the space formed by the right needle pressing plate, the spring needle segment of the spring needle selector returns to its original position, and the heel of the long needle protrudes from the needle groove and gradually descends along the side wall of the plate, so that the needle completes the hanging eye process.

[0020] The knitting process includes the following steps: First, the needle selector selects the spring needle foot. The lower heel of the spring needle foot moves along the top edge of the zero-position triangle and is pressed into the needle groove by the action of the slope. The lower part of the spring needle foot is magnetically attracted to the magnetic component until the spring needle foot is no longer attracted to the magnetic component when it passes the spacer. This allows the spring needle foot to be exposed in the needle groove and the lower heel of the spring needle foot moves along the second track of the push needle triangle. This pushes the upper heel of the spring needle foot to position A. Then, the rotation drive device drives the needle flipping triangle to retract to the triangle base plate, so that the spring needle foot moves along the knitting space. This allows the heel of the long needle foot to move along the first needle path on the top surface of the disc mountain, thereby completing the knitting process.

[0021] The needle turning process includes the following steps: First, the needle selector selects the spring needle selector. The lower heel of the spring needle selector moves along the top edge of the zero-position triangle and is pressed into the needle groove by the action of the slope. The lower part of the spring needle selector is magnetically attracted to the magnetic component until the spring needle selector passes the spacer and is no longer attracted to the magnetic component. This allows the spring needle selector to be exposed in the needle groove and move along the second track of the push needle triangle. This pushes the upper heel of the spring needle selector to position A. The rotating drive device drives the needle turning triangle to extend out of the triangle base plate, so that the spring needle selector moves along the knitting space. This causes the heel of the long needle to move along the second needle path of the disc mountain and the needle turning triangle, thus completing the needle turning process.

[0022] The non-woven process includes the following steps: First, the needle selector does not select the spring needle selector. The lower heel of the spring needle selector moves along the top edge of the zero-position triangle and, under the action of the slope, presses the spring needle selector into the needle groove, so that the lower part of the spring needle selector is magnetically attracted to the magnetic component, causing the spring needle selector to move along the third trajectory of the zero-position triangle, so that the upper heel of the spring needle selector is in position B. The non-woven pressing plate presses the spring needle segment of the spring needle selector into the needle groove, and causes the heel of the long needle selector to sink into the needle groove, so that the long needle moves along the straight trajectory of the surface of the disc mountain, thereby preventing the knitting needle from participating in knitting.

[0023] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0024] (1) The present invention adopts a newly designed mountain plate and knitting needle assembly, which greatly simplifies the structure of the traditional mountain plate and knitting needle assembly, not only reducing production costs but also greatly improving work efficiency. (2) The disc mountain of the present invention is provided with a clearance groove, and with the different stroke design between the left needle pressing plate and the hanging eyelet pressing plate, the long needle can move along the side wall of the eyelet triangle after exiting the disc mountain, avoiding the friction between the heel of the long needle and the surface of the eyelet triangle, thereby extending the service life of the long needle. (3) The present invention combines the traditional needle selection foot and spring needle foot into an integrated spring needle selection foot, which can both push the long needle foot up and press the long needle foot, which not only simplifies the structure of the knitting needle and reduces production costs, but also makes the knitting needle installation simpler. (4) The needle selection guide block of the present invention is newly designed according to the specific structure of the spring needle selection foot, so that the needle selection guide block can work with the spring needle selection foot, thereby greatly increasing the needle selection speed of the needle selector. (5) A magnetic component is provided below the needle selection guide block so that after the spring needle selection foot is selected by the needle selector, the magnetic component makes magnetic contact with the lower part of the spring needle selection foot, ensuring that the lower heel of the spring needle selection foot sinks into the needle groove, making the operation of the spring needle selection foot more stable. (6) In this invention, the reset triangle can be adjusted up and down, which can reduce the resistance of needle movement, prevent the needle from moving up and down, reduce noise, and make the needle movement smoother. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0026] Figure 2 To show Figure 1 A schematic diagram of the structure of part A in the diagram;

[0027] Figure 3 This is a rear view of the overall structure of the present invention;

[0028] Figure 4 This is a schematic diagram of the structure of the first and second linkage mechanisms;

[0029] Figure 5This is a schematic diagram of the tablet compression unit.

[0030] Figure 6 This is a schematic diagram of the push plate structure;

[0031] Figure 7 Schematic diagram I showing the working state of the tableting unit;

[0032] Figure 8 Schematic diagram II showing the working state of the tableting unit;

[0033] Figure 9 To show Figure 1 A schematic diagram of the structure of part A in the diagram;

[0034] Figure 10 An exploded view of the reset mechanism;

[0035] Figure 11 This is a schematic diagram of the third linkage mechanism;

[0036] Figure 12 This is a schematic diagram of the structure of the linkage seat;

[0037] Figure 13 This is a schematic diagram of the working state of the pin of the present invention;

[0038] Figure 14 This is a schematic diagram of the working state of the lifting device of the present invention;

[0039] Figure 15 This is a schematic diagram of the weaving process of the present invention;

[0040] Figure 16 This is a schematic diagram of the working state of the needle flipping mechanism of the present invention;

[0041] Figure 17 This is a schematic diagram of the nonwoven working state of the present invention;

[0042] Figure 18 This is an exploded view of the overall structure of the magnetic attraction mechanism;

[0043] Figure 19 This is a schematic diagram of the overall structure of the knitting needle assembly;

[0044] Figure 20 A schematic diagram of the spring pin selection structure. Detailed Implementation

[0045] To make the objectives, technical solutions, and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings.

[0046] Reference Figure 1As shown, a shank device for a computerized flat knitting machine includes a triangular base plate 1, a knitting unit 2, a pressing unit 3, a needle selection unit 4, a reset unit 5, and a gauge unit 10. The knitting unit 2 is located on the upper part of the triangular base plate 1, the pressing unit 3 is located in the middle part of the triangular base plate 1, the needle selection unit 4 is located on the lower part of the triangular base plate 1, the reset unit 5 is located on both sides of the triangular base plate 1, and the gauge unit 10 is located on the triangular base plate 1.

[0047] Combination Figure 2 As shown, the knitting unit 2 includes a disc 21 and a turning cam 22. The disc 21 is fixedly mounted on the cam base plate 1, and the turning cam 22 is telescopically mounted above the disc 21. The surface of the disc 21 has a needle receiving channel 212, and the two sides of the surface of the disc 21 have clearance grooves 211. A guide rail 213 is provided on the upper edge between the clearance grooves 211 and the needle receiving channel 212.

[0048] The pressing unit 3 includes a left needle insertion pressing plate 31, a hanging eyelet pressing plate 32, a right needle insertion pressing plate 33, and a non-woven pressing plate 34. The left needle insertion pressing plate 31, the hanging eyelet pressing plate 32, and the right needle insertion pressing plate 33 are sequentially and retractably arranged on the triangular base plate 1. The non-woven pressing plate 34 is arranged below the left needle insertion pressing plate 31, the hanging eyelet pressing plate 32, and the right needle insertion pressing plate 33 and is fixedly connected to the triangular base plate 1. In this embodiment, the left needle insertion pressing plate 31, the hanging eyelet pressing plate 32, and the right needle insertion pressing plate 33 are in position H, and the non-woven pressing plate is in position B. A knitting gap 35 is formed between the left needle insertion pressing plate 31, the hanging eyelet pressing plate 32, the right needle insertion pressing plate 33 and the disc mountain. This knitting gap is in position A, so that the knitting needle assembly can complete the actions of turning needles, knitting, hanging eyelet, needle insertion, and non-woven by cooperating with the knitting unit 2 through the three positions on the pressing unit 3.

[0049] Reference Figures 3-5 As shown, a first linkage mechanism 6 is further provided between the left needle pressing plate 31, the hanging eye pressing plate 32, and the right needle pressing plate 33. The first linkage mechanism 6 includes a push plate 61, on which a first needle guide groove 62, a hanging eye guide groove 63, and a second needle guide groove 64 are respectively provided. Rollers are rotatably provided at the bottom of the left needle pressing plate 31, the hanging eye pressing plate 32, and the right needle pressing plate 33, respectively, and slide in cooperation with the first needle guide groove 62, the hanging eye guide groove 63, and the second needle guide groove 64.

[0050] A rotary drive device 7 is fixedly installed on the back of the triangular base plate 1. The rotary drive device drives the first linkage mechanism 6 to move the left needle pressing plate 31, the hanging eye pressing plate 32, and the right needle pressing plate 33 in a telescopic motion. The clearance groove 211 is positioned opposite to the left needle pressing plate 31 and the right needle pressing plate 33.

[0051] In this embodiment, the rotary drive device 7 preferably adopts a servo motor, on which a gear is fixedly installed. The rear side of the push plate 61 has a rack that meshes with the gear 71. The rotary drive device 7 is fixedly provided with a push plate base plate 65. A push plate cover plate 66 is provided on the push plate base plate 65. A first slide groove 67 is provided through both ends of the push plate cover plate 66 so that the push plate 61 can be slidably disposed in the first slide groove 67. A second slide groove 68 is provided through the front and rear of the push plate cover plate 66. The left needle pressing plate 31, the hanging eye pressing plate 32, and the right needle pressing plate 33 are respectively slidably disposed in the second slide groove 68.

[0052] Reference Figure 5 , Figure 6 As shown, further, in this embodiment, the first needle guide groove 62 includes a first straight groove 621, a second straight groove 622, a first arc-shaped groove 623, and a second arc-shaped groove 624. The first arc-shaped groove 623 is disposed between the first straight groove 621 and the second arc-shaped groove 624, and the first arc-shaped groove 623 and the second arc-shaped groove 624 form an "S" shape. The second straight groove 622 is disposed at the right end of the second arc-shaped groove 624. The second needle guide groove 64 includes a third straight groove 641, a fourth straight groove 642, and a third arc-shaped groove 643. The third arc-shaped groove 643 is disposed between the third straight groove 641 and the fourth straight groove 642.

[0053] The distance between the left end of the second needle guide groove 64 (i.e., the third straight groove 641) and the front end face of the push plate 61 (in this embodiment, the front end face of the push plate 61 is the end facing the needle assembly) is greater than the distance between the left end of the first needle guide groove 62 (i.e., the first straight groove 621) and the lower end of the push plate 61, while the distance between the right end of the second needle guide groove 64 (i.e., the fourth straight groove 642) and the front end face of the push plate 61 is less than the distance between the right end of the first needle guide groove 62 (i.e., the second straight groove 622) and the lower end of the push plate 61.

[0054] In addition, the lifting guide groove 63 includes a first inclined groove 631, a second inclined groove 632, and a fifth straight groove 633, with the first inclined groove 631 and the second inclined groove 632 respectively disposed on both sides of the fifth straight groove 633.

[0055] like Figure 5 , Figure 6 As shown, when the push plate 61 is centered, the push plate 61 is in its initial state. The roller of the left needle pressing plate 31 is at the left end of the second arc groove 624, the roller of the hanging eye pressing plate 32 is at the right end of the fifth straight groove 633, and the roller of the right needle pressing plate 33 is in the middle of the fourth straight groove 642, so that the front ends of the left needle pressing plate 31, the hanging eye pressing plate 32, and the right needle pressing plate 33 are on the same straight line.

[0056] When the push plate 61 moves to half of its maximum limit position to the right, the left needle pressure plate 31 and the right needle pressure plate 33 retract into the triangular base plate under the linkage of the push plate, while the hanging eye pressure plate remains in the extended state.

[0057] like Figure 8 As shown, when the push plate 61 moves to the right to its maximum limit position, the left needle pressing plate 31 and the right needle pressing plate 33 extend out of the triangular base plate, while the hanging eye pressing plate 32 retracts into the triangular base plate. Furthermore, the distance by which the left needle pressing plate 31 extends out of the triangular base plate 1 is greater than the distance by which the right needle pressing plate 33 extends out of the triangular base plate 1.

[0058] like Figure 7 As shown, when the push plate 61 moves to the maximum limit position to the left, the left needle pressing plate 31 and the right needle pressing plate 33 extend out of the triangular base plate, while the hanging eye pressing plate 32 retracts into the triangular base plate. Furthermore, the distance by which the left needle pressing plate 31 extends out of the triangular base plate 1 is less than the distance by which the right needle pressing plate 33 extends out of the triangular base plate 1.

[0059] With the above settings, the left needle pressing plate 31, the hanging eye pressing plate 32, and the right needle pressing plate 33 complete their respective actions under the linkage of the first needle guide groove 62, the hanging eye guide groove 63, and the second needle guide groove 64 of the push plate.

[0060] In a traditional tablet pressing unit, the long needle, in conjunction with the left and right connecting needles, moves along the trajectory of the disc to complete the lifting action. However, the stroke between the left and right connecting needles is consistent, and the surface height of the disc is the same as the surface height of the eye. Therefore, each time the long needle exits the disc, it resets under its own elasticity. At this time, the heel of the long needle protrudes from the needle groove and is on the surface of the eye triangle, which causes friction between the heel of the long needle and the surface of the eye triangle. Under long-term operation, the heel of the long needle is prone to wear.

[0061] Combination Figure 2 , Figure 7 , Figure 8As shown, in order to solve the above problems, this embodiment utilizes the clearance groove of the disc mountain and the cooperation between the left and right hanging triangles to avoid the surface friction between the heel of the long needle and the hanging triangle. When the machine head moves from left to right, the rotary drive device 7 drives the push plate 61 to move to the left, which in turn causes the left needle receiving plate 31 and the right needle receiving plate 33 to extend out of the triangular base plate 1. In this way, the right needle receiving plate 33 presses the needle assembly 9 into the needle groove, so that the needle assembly 9 moves along the needle receiving track of the disc mountain 21. After the needle assembly 9 leaves the right needle receiving plate 33, the heel of the long needle 92 moves along the needle receiving track, and when it reaches the left needle receiving plate 33, the needle assembly 9 moves along the needle receiving track. After the piece 31, the long needle foot is pressed into the needle groove by the left needle pressing piece 31. Since there is a certain stroke difference between the left needle pressing piece 31 and the right needle pressing piece 33 in this embodiment, the heel of the long needle foot 92 is not completely sunk into the needle groove under the action of the left needle pressing piece 31. Part of the heel is still exposed in the needle groove, so that the heel of the long needle foot enters the clearance groove 211 along the needle insertion channel. After the heel of the long needle foot 92 leaves the disc 21 from the clearance groove 211, it moves along the side wall of the eyelet unit instead of moving from the surface of the eyelet triangle. This effectively avoids friction between the heel of the long needle foot and the eyelet triangle, and greatly improves the service life of the long needle foot.

[0062] Reference Figure 3 , Figure 4 As shown, in this embodiment, a second linkage mechanism 8 is provided between the rotary drive device 7 and the turning triangle 22. The second linkage mechanism 8 includes a linkage rocker arm 81 and a turntable 82. The middle part of the linkage rocker arm 81 is rotatably connected to the back of the triangle base plate 1, while the turntable 82 is fixedly mounted on the top surface of the gear. In this embodiment, the two sides of the peripheral wall of the turntable 82 have a first arc-shaped protrusion and a second arc-shaped protrusion. The first arc-shaped protrusion and the second arc-shaped protrusion respectively contact and cooperate with the lower end of the linkage rocker arm 81. The back of the turning triangle 22 has a connecting shaft 221. The peripheral wall of the connecting shaft 221 is provided with a slot so that the slot of the connecting shaft 221 is engaged with the upper end of the linkage rocker arm 81. Therefore, when the rotary drive device 7 drives the gear 71 to rotate, the linkage rocker arm 81 swings back and forth under the action of the first arc-shaped protrusion or the second arc-shaped protrusion of the turntable 82, thereby linking the turning triangle 22 to extend or retract the triangle base plate 1, thereby cooperating with the pressing unit to complete the specified knitting action.

[0063] Reference Figure 1 , Figure 2As shown, the mesh unit 10 includes a left mesh triangle 101 and a right mesh triangle 102. The left mesh triangle 101 and the right mesh triangle 102 are respectively disposed on both sides of the knitting unit 2. A pair of sliding grooves are provided on the triangular base plate. Slider 104s are provided on the back of the left mesh triangle 101 and the right mesh triangle 102 so that the slider 104s of the left mesh triangle 101 and the right mesh triangle 102 slide in cooperation with the sliding grooves of the triangular base plate 1. A third linkage mechanism 103 for driving the left mesh triangle 101 and the right mesh triangle 102 to slide is provided on the back of the triangular base plate 1.

[0064] Specifically, the third linkage mechanism 103 includes a swing arm 1031, a worm gear disk 1032, and a viewing drive device 1033. One end of the swing arm 1031 is rotatably mounted on the back of the triangular base plate 1, and the other end of the swing arm 1031 is provided with a push groove 1034. A first roller 1041 is rotatably mounted on the slider 104 and slides in cooperation with the push groove 1034. The viewing drive device 1033 is fixedly installed on the back of the triangular base plate. In this embodiment, the viewing drive device 1033 is preferably a motor, and the worm gear disk... The disc 1032 is fixedly mounted on the output shaft of the measuring drive device. The worm-shaped disc 1032 has a worm-shaped groove. The middle part of the swing arm 1031 is rotatably provided with a second roller 1035 that slides in cooperation with the worm-shaped groove. The middle part of the swing arm 1031 is rotatably provided with a linkage arm 1036. An elastic component is provided between the upper part of the linkage arm and the swing arm 1031. The lower part of the linkage arm 1036 is rotatably provided with a third roller 1037. The second roller 1037 slides in cooperation with the outer periphery of the worm-shaped disc 1032.

[0065] When the meshing drive device 1033 drives the worm gear disk 1032 to rotate forward, the swing arm 1031 slides along the surface of the worm wheel groove, thereby pushing the left meshing triangle 101 / right meshing triangle 102 to slide upward under the guidance of the worm wheel groove of the worm gear disk 1032. When the meshing drive device 1033 drives the worm gear disk 1032 to rotate in reverse, the linkage arm 1036 slides along the outer wall of the worm gear disk 1032, so that the linkage arm 1036, pushed by the outer wall of the worm gear disk 1032, slides the left meshing triangle 101 / right meshing triangle 102 downward, thereby adjusting the tension of the fabric through the left meshing triangle 101 or the right meshing triangle 102.

[0066] Reference Figure 1 , Figure 9 As shown, the needle selection unit 4 further includes a needle selector 41, a needle selection guide block 42, and a magnetic attraction mechanism 43. The needle selection guide block 42 is disposed on the triangular base plate 1, the needle selector 41 is disposed above the needle selection guide block 42, and the magnetic attraction mechanism 43 is disposed below the needle selection guide block 42. The needle selection guide block 42 cooperates with the needle selector 41 to select needles for the knitting needle assembly 9, and the magnetic attraction mechanism 43 is used to attract the knitting needle assembly 9.

[0067] Combination Figure 11 , Figure 18 As shown, a needle guide triangle 421 is provided on one side of the top of the needle selection guide block 42, and a needle pusher triangle 422 is provided on the other side of the top of the needle selection guide block 42. A zero position triangle 423 is provided on the upper part of the needle selection guide block 42 between the needle guide triangle 421 and the needle pusher triangle 422. In this embodiment, the zero position triangle 423 cooperates with the needle selector 41 to push the knitting needle assembly to position B, the needle pusher triangle 422 cooperates with the needle selector to push the knitting needle assembly to position A, and the needle guide triangle cooperates with the needle selector to push the knitting needle assembly to position H.

[0068] The zero-position triangle 423 has ramps 425 between its two ends and the guide needle triangle 421 and the push needle triangle 422, respectively, so that the lower end of the needle assembly 9 moves along the upper edge of the zero-position triangle 423 and is pressed into the needle groove by the ramps 425, so that the magnetic attraction mechanism 43 attracts the lower end of the needle assembly 9.

[0069] Furthermore, in this embodiment, a top needle triangle 424 is provided in the middle of the needle selection guide block 42 below the zero position triangle 423, so that the top needle triangle 424 is used to cooperate with the needle selector to press the knitting needle assembly 9 into the needle groove.

[0070] Furthermore, the magnetic attraction mechanism 43 includes a magnetic base 431 and a magnetic component 432. The magnetic base 431 is fixedly disposed at the bottom of the triangular base plate 1. A slot is provided on the magnetic base 431, and the magnetic component 432 is inserted into the slot. In this embodiment, the magnetic component 432 is preferably a magnet, and a through groove 433 is provided on the magnetic base 431. When the lower end of the knitting needle assembly 9 passes through the through groove 433 and is not selected by the needle selector 41, the knitting needle assembly 9 is pressed into the needle groove by the needle selector 41, and the magnetic component 432 attracts the lower end of the knitting needle assembly.

[0071] Preferably, in this embodiment, a pair of magnetic blocks 435 are respectively provided on the upper and lower surfaces of the magnetic component 432, and the length of the magnetic component 432 is less than the length of the magnetic blocks 435. This increases the magnetic force of the magnetic component 432 through the magnetic blocks 435, so that the magnetic component 432 can attract the knitting needle assembly 9 even when it is not in contact with the knitting needle assembly 9. This avoids frequent contact between the knitting needle assembly 9 and the surface of the magnetic component 432, prevents the magnetic component 432 from developing gaps due to frequent contact, and effectively reduces production costs.

[0072] Preferably, a spacer 436 is provided between the magnetic blocks 435, and a copper sheet 437 is provided between the spacer 436 and the magnetic blocks. The spacer 436 is preferably made of metal material. In this embodiment, it is not limited to metal material and can also be a non-magnetic material, so that the spacer 436 does not generate magnetic force. Therefore, when the spacer 436 passes through the knitting needle assembly 9, the spacer 436 does not attract with the knitting needle assembly 9.

[0073] Reference Figure 1 , Figure 10 As shown, the reset unit 5 includes a movable reset triangle 51 and a fixed reset triangle 52. The fixed reset triangle 52 is fixedly disposed on one side of the pressing unit 3. The side of the fixed reset triangle 52 facing the movable reset triangle 51 has a recess 521. One end of the movable reset triangle 51 is rotatably connected to the recess 521 of the fixed reset triangle 52. An adjustment plate 53 is fixedly disposed on one side of the triangular base plate 1. The adjustment plate 53 has an arc groove 531 so that the other end of the movable reset triangle 51 is fixedly connected to the arc groove 531 through a locking component. In this embodiment, the locking component is preferably a screw or nut, so that the movable reset triangle 51 can be adjusted up and down through the arc groove 531 to adjust the height of the movable reset triangle 51, so that the angle adjustment of the movable reset triangle is more balanced.

[0074] Furthermore, the surface of the active reset triangle 52 has a return pin protrusion 522 on the side facing the knitting unit 2, so that when the needle assembly 9 leaves the H position of the knitting unit 2, it is blocked by the side wall of the return pin protrusion 522, and the needle assembly 9 gradually moves down to the lower edge of the return pin protrusion 522 under the action of the inclined surface of the return pin protrusion 522, thereby returning the needle assembly to the B position.

[0075] Furthermore, a limiting protrusion 523 is provided on the surface of the active reset triangle 52 at the top of the return needle protrusion 522. When the needle assembly 9 passes the pre-selected push needle triangle 422, the needle assembly 9 enters the knitting unit 2 along the surface of the return needle protrusion 522. At the same time, the limiting protrusion 523 restricts the needle assembly 9 from moving up and down, making the needle movement of the needle assembly 9 smoother and reducing noise.

[0076] Reference Figure 19 , Figure 20 As shown, the present invention also provides a needle assembly 9 for the shank device of the above-mentioned computerized flat knitting machine, including a needle 91, a long needle 92, and a spring-loaded needle selector 93. The needle 91, the long needle 92, and the spring-loaded needle selector 93 are respectively inserted into the needle groove of the needle plate, wherein the lower part of the needle 91 is connected to the upper part of the long needle 92, and the spring-loaded needle selector 93 is disposed opposite to the lower part of the outer side of the long needle 92.

[0077] Furthermore, the spring-loaded needle pin 93 includes a spring-loaded needle segment 931 and a needle-loaded segment 932. The upper part of the needle-loaded segment 932 is located on the lower outer side of the spring-loaded needle segment 931. An elastic sheet 933 is provided at the rear end of the needle-loaded segment 932 at the lower part of the spring-loaded needle segment 931 so that the needle-loaded segment 932 can be elastically deformed under external force. An upper spring heel is provided at the upper part of the spring-loaded needle segment 931 for cooperating with the pressing unit. A lower needle heel 935 is provided at the lower part of the needle-loaded segment 932 so that the lower needle heel 935 of the needle-loaded segment 932 moves along the track of the needle-loaded guide block 42, thereby pushing the spring-loaded needle pin 93 to rise. In this way, the long needle pin 92 is pushed to three different working positions A, H, and B through the elastic sheet 933.

[0078] Combination Figure 9 As shown, the lower part of the needle selection section 932 has a clearance section 934 that bends toward the long needle 92, so that when the spring needle selection foot 93 moves along the guide triangle 421 or push triangle 422 of the needle selection guide block 42, the clearance section 934 of the spring needle selection foot 93 can avoid the needle selector 41, preventing unwanted spring needle selection foot 93 from being selected again or the needle selection foot 93 that needs to be pre-selected to the H position from being pressed into the needle groove by the push triangle 424 to avoid hitting the blade of the needle selector 41, thereby greatly improving the stability of the knitting needle assembly.

[0079] When the spring needle selector 93 moves along the guide triangle, the needle selector does not select the spring needle selector. When the needle selector teeth of the needle selector section 932 pass through the needle selector, the blade of the needle selector 41 presses the needle selector section 932 of the spring needle selector. At the same time, under the pressure, the lower end of the needle selector section approaches the surface of the magnetic component, so that the lower end of the needle selector section abuts against the end face of the spacer 436 under the magnetic action of the magnetic component 432. Therefore, the lower needle selector of the needle selector section does not rise with the track of the push triangle, but passes through the surface of the push triangle, thereby ensuring the stability of the knitting needle assembly.

[0080] Furthermore, the upper part of the long needle 92 has a reinforcing piece 921 to increase the strength of the upper part of the long needle 92 and ensure the stability of the connection between the long needle 92 and the knitting needle 91.

[0081] Reference Figures 13-17 As shown, the present invention also provides a knitting method using the above-mentioned computer flat knitting machine's shank device and needle assembly, wherein the knitting process includes a hanging stitch process, a needle joining process, a knitting process, a turning stitch process, and a non-knitting process;

[0082] The needle-attaching process includes the following steps: After the spring-loaded needle selector 93 has been pre-selected, its lower heel is positioned at the guide triangle 421. During needle attachment, the needle selector 41 first does not select the spring-loaded needle selector 93. When the lower heel of the spring-loaded needle selector 93 passes the needle selector 41 along the top edge of the guide triangle 421, the toothed plate of the spring-loaded needle selector 93 is pressed into the needle groove by the ejector triangle 424, and the lower part of the spring-loaded needle selector 93 is magnetically attracted to the magnetic component, so that the spring-loaded needle selector 93 moves along the first trajectory X1 of the guide triangle 421, so that the upper heel of the spring-loaded needle selector 93 is in position H. Then, the rotary drive device 7 drives the left needle-attaching plate 31 and the right needle-attaching plate 33 to extend out of the triangular base plate 1, and the hanging plate 32 retracts into the triangular base plate 1. The left needle-attaching plate 31 holds the spring of the spring-loaded needle selector 93. The needle segment 931 is pressed into the needle groove, and the spring needle selection segment 931 sinks the heel of the long needle 92 into the needle groove, so that the heel of the long needle 92 moves in a straight line along the surface of the disc mountain 21. When it passes the gap formed by the hanging eye pressure plate 32, the spring needle segment 931 of the spring needle selection segment 93 returns to its original position, and the heel of the long needle 92 is exposed in the needle groove, so that the heel of the long needle 92 falls into the needle receiving needle path 212 of the disc mountain and moves along the trajectory C1 of the needle receiving needle path 212. Finally, the right needle receiving pressure plate 33 extends out, so that the spring needle segment 931 presses part of the heel of the long needle 92 into the needle groove, so that the heel of the long needle 92 enters the clearance groove 211 along the guide track, so that the heel of the long needle 92 leaves the clearance groove 211 and gradually descends along the side wall trajectory of the right eye triangle 102, thereby completing the needle receiving process.

[0083] The needle lifting process includes the following steps: After the spring-loaded needle selector 93 is pre-selected, its lower heel is positioned at the guide triangle 421. During needle lifting, the needle selector 41 first does not select the spring-loaded needle selector 93. When the lower heel of the spring-loaded needle selector 93 passes the needle selector 41 along the top edge of the guide triangle 421, the toothed plate of the spring-loaded needle selector 93 is pressed into the needle groove by the ejector triangle 424, and the lower part of the spring-loaded needle selector 93 is magnetically attracted to the magnetic component, so that the spring-loaded needle selector 93 moves along the first trajectory X1 of the guide triangle 421, so that the upper heel of the spring-loaded needle selector 93 is in position H. Then, the rotary drive device 7 drives the left needle receiving plate 31 and the right needle receiving plate 33 to retract into the triangular base plate 1, and the needle lifting plate 32 extends. Triangular base plate 1, and through the second linkage mechanism, the flipping triangle 22 retracts triangular base plate 1. When the spring needle segment 931 of the spring needle selector 93 passes through the space formed by the left needle pressing plate 31, the heel of the long needle 92 gradually rises along the side wall trajectory C2 of the disc mountain 21. When it passes through the hanging eye pressing plate 32, the spring needle segment 931 of the spring needle selector 93 is pressed into the needle groove, and the spring needle segment 931 presses the heel of the long needle 92 into the needle groove, so that the long needle 92 moves along the straight trajectory C2 on the surface of the disc mountain 21. When it reaches the space formed by the right needle pressing plate 33, the spring needle segment of the spring needle selector 93 returns to its original position, and the heel of the long needle 92 is exposed in the needle groove and gradually descends along the side wall of the disc mountain, so that the knitting needle completes the hanging eye process.

[0084] The knitting process includes the following steps: First, the needle selector 41 selects the spring needle selector 93. The lower heel of the spring needle selector 93 moves along the top edge of the zero-position triangle 423 and is pressed into the needle groove by the action of the ramp 425, so that the lower part of the spring needle selector 93 is magnetically attracted to the magnetic component 432 until the spring needle selector 93 passes the spacer 436 and is no longer attracted to the magnetic component 432, so that the spring needle selector 93 is exposed in the needle groove and moves along the second trajectory X2 of the pusher triangle 422, thereby pushing the upper heel of the spring needle selector 93 to position A. Then, the rotation drive device 7 drives the flipping triangle 22 to retract the triangle base plate 1, so that the spring needle selector 93 moves along the knitting space, so that the heel of the long needle 92 moves along the first needle path C3 on the top surface of the disc mountain 21, thereby completing the knitting process.

[0085] The needle turning process includes the following steps: First, the needle selector 41 selects the spring needle selector 93. The lower heel of the spring needle selector 93 moves along the top edge of the zero-position triangle 423 and is pressed into the needle groove by the slope 425, so that the lower part of the spring needle selector 93 is magnetically attracted to the magnetic component 432 until the spring needle selector 93 passes the spacer 436 and is no longer attracted to the magnetic component 432, so that the spring needle selector 93 is exposed in the needle groove and moves along the second track X2 of the pusher triangle 422, thereby pushing the upper heel of the spring needle selector 93 to position A. Then, the rotary drive device 7 drives the needle turning triangle 22 to extend out of the triangle base plate 1, so that the spring needle selector moves along the knitting space, so that the heel of the long needle 92 moves along the second needle path C4 of the disc mountain 21 and the needle turning triangle 22, thereby completing the needle turning process.

[0086] The non-woven process includes the following steps: First, the needle selector 41 does not select the spring needle selector. The lower heel of the spring needle selector 93 moves along the top edge of the zero-position triangle 423 and is pressed into the needle groove by the slope surface 425. The lower part of the spring needle selector 93 is magnetically attracted to the magnetic component 432, so that the spring needle selector 93 moves along the third trajectory X3 of the zero-position triangle 423. The upper heel of the spring needle selector 93 is in position B. The non-woven pressing plate 34 presses the spring needle segment 931 of the spring needle selector 93 into the needle groove and causes the heel of the long needle 92 to sink into the needle groove, so that the long needle 92 moves along the straight trajectory C5 on the surface of the disc mountain, thereby preventing the knitting needle from participating in knitting.

[0087] When the machine head moves to the right, its working process is the same as when the machine head moves to the left, and this embodiment will not repeat the description again.

[0088] In addition, during the nonwoven process, when the elastic needle selector 93 located at position B stops in the middle of the zero position triangle 423, if the needle selector 41 does not select the spring needle selector 93, the spring needle selector 93 continues to be magnetically attracted to the magnetic component 432, so that when the machine head turns around, the spring needle selector 93 moves along the surface of the ramp to keep the spring needle selector 93 in position B. Alternatively, if the needle selector 41 selects the spring needle selector 93, the lower needle selector heel of the spring needle selector 93 moves along the top edge of the push needle triangle 422.

[0089] Of course, the above embodiments are only for illustrating the technical concept and features of the present invention. Their purpose is to enable those skilled in the art to understand the content of the present invention and implement it accordingly. They cannot be used to limit the scope of protection of the present invention. All modifications made according to the spirit of the main technical solution of the present invention should be covered within the scope of protection of the present invention.

Claims

1. A grate device for a computerized flat knitting machine, characterized in that, It includes a triangular base plate (1), a knitting unit (2), a pressing unit (3), and a needle selection unit (4). The knitting unit (2) is located on the upper part of the triangular base plate (1), the pressing unit (3) is located on the middle part of the triangular base plate (1), and the needle selection unit (4) is located on the lower part of the triangular base plate (1). The knitting unit (2) includes a plate (21) and a turning triangle (22). The plate (21) is fixedly set on the triangle base plate (1). The turning triangle (22) is telescopically set above the plate (21). The surface of the plate (21) has a needle receiving channel (212). The two sides of the surface of the plate (21) have clearance grooves (211). A guide rail (213) is provided on the upper edge between the clearance groove (211) and the needle receiving channel (212). The pressing unit (3) includes a left needle pressing plate (31), a hanging eye pressing plate (32), and a right needle pressing plate (33). The left needle pressing plate (31), the hanging eye pressing plate (32), and the right needle pressing plate (33) are sequentially and retractably arranged on the triangular base plate (1). A first linkage mechanism (6) is provided between the left needle pressing plate (31), the hanging eye pressing plate (32), and the right needle pressing plate (33) so that the first linkage mechanism (6) links the left needle pressing plate (31), the hanging eye pressing plate (32), and the right needle pressing plate (33) to retract and extend. The clearance groove (211) is opposite to the position of the left needle pressing plate (31) and the right needle pressing plate (33). The needle selection unit (4) includes a needle selector (41), a needle selection guide block (42), and a magnetic attraction mechanism (43). The needle selection guide block (42) is located at the lower part of the triangular base plate (1), the needle selector (41) is located above the needle selection guide block (42), and the magnetic attraction mechanism (43) is located below the needle selection guide block (42). The needle selection guide block (42) cooperates with the needle selector (41) to select needles from the knitting needle assembly (9) so that the selected knitting needle assembly (9) magnetically contacts and engages with the magnetic attraction mechanism (43). A needle guide triangle (421) is provided on one side of the top of the needle selection guide block (42), and a pusher triangle (422) is provided on the other side of the top of the needle selection guide block (42). A zero position triangle (423) is provided between the needle guide triangle (421) and the pusher triangle (422) at the upper part of the needle selection guide block (42). The two ends of the zero position triangle (423) have slope surfaces (425) between the needle guide triangle (421) and the pusher triangle (422) respectively.

2. The grate device of the computerized flat knitting machine according to claim 1, characterized in that, The first linkage mechanism (6) includes a push plate (61), on which a first needle guide groove (62), a hanging eye guide groove (63), and a second needle guide groove (64) are respectively provided to slide with the left needle pressing plate (31), the hanging eye pressing plate (32), and the right needle pressing plate (33). A rotary drive device (7) is used to drive the push plate (61) to move the left needle pressing plate (31), the hanging eye pressing plate (32), and the right needle pressing plate (33) in a telescopic motion. A second linkage mechanism (8) is provided between the rotary drive device (7) and the flipping triangle (22) so that the rotary drive device (7) can link the flipping triangle (22) to extend and retract.

3. The grate device of the computerized flat knitting machine according to claim 2, characterized in that, The distance between the left end of the second needle guide groove (64) and the front end face of the push plate (61) is greater than the distance between the left end of the first needle guide groove (62) and the front end face of the push plate (61), while the distance between the right end of the second needle guide groove (64) and the front end face of the push plate (61) is less than the distance between the right end of the first needle guide groove (62) and the front end face of the push plate (61).

4. The grate device of the computerized flat knitting machine according to claim 3, characterized in that, The magnetic attraction mechanism (43) includes a magnetic base (431) and a magnetic component (432). The magnetic base (431) is fixedly disposed at the bottom of the triangular base plate (1). The magnetic base (431) is provided with a slot. The magnetic component (432) is inserted into the slot of the magnetic base (431). The magnetic base (431) is provided with a through groove (433).

5. The grate device of the computerized flat knitting machine according to claim 4, characterized in that, The magnetic component (432) has a pair of magnetic blocks (435) on its upper and lower surfaces respectively, a spacer (436) between the magnetic blocks (435), and a copper sheet (437) between the spacer (436) and the magnetic blocks (435).

6. The grate device of the computerized flat knitting machine according to claim 1, characterized in that, It also includes a reset unit (5), which is disposed on both sides of the triangular base plate (1). The reset unit (5) includes a movable reset triangle (51) and a fixed reset triangle (52). The fixed reset triangle (52) is fixedly disposed on one side of the pressing unit (3). One side of the fixed reset triangle (52) has a recess (521). One end of the movable reset triangle (51) is rotatably connected to the recess (521) of the fixed reset triangle (52).

7. The grate device of the computerized flat knitting machine according to claim 1, characterized in that, It also includes a mesh unit (10), which includes a left mesh triangle (101) and a right mesh triangle (102). The left mesh triangle (101) and the right mesh triangle (102) are respectively disposed on both sides of the weaving unit (2) and slide in cooperation with the triangular base plate (1). A third linkage mechanism (103) is provided between the left mesh triangle (101) and the right mesh triangle (102) so that the third linkage mechanism (103) drives the left mesh triangle (101) and the right mesh triangle (102) to slide.

8. A needle assembly for the shank device of the computerized flat knitting machine according to claim 4, characterized in that, It includes a knitting needle (91), a long needle (92), and a spring-loaded needle (93). The lower part of the knitting needle (91) is connected to the upper part of the long needle (92), and the upper part of the long needle (92) has a reinforcing piece (921). The spring-loaded needle (93) is disposed on the lower outer side of the long needle (92).

9. The knitting needle assembly according to claim 8, characterized in that, The spring-loaded needle pin (93) includes a spring-loaded needle segment (931) and a needle selection segment (932). The upper part of the needle selection segment (932) is located on the lower outer side of the spring-loaded needle segment (931). The lower part of the spring-loaded needle segment (931) is provided with an elastic sheet (933) at the rear end of the needle selection segment (932). The lower part of the needle selection segment (932) has a clearance section (934) that bends toward the long needle pin (92). The clearance section (934) is magnetically connected to the magnetic component (432).

10. A weaving method, characterized in that, Using the shank device of the computer flat knitting machine as described in claim 4 and the needle assembly as described in claim 9, the knitting process includes needle insertion process, eyelet hanging process, knitting process, needle turning process and non-knitting process; The needle-attaching process includes the following steps: After the spring-loaded needle selector is pre-selected, its lower heel is positioned in the guide triangle (421). When attaching the needle, the needle selector (41) first does not select the spring-loaded needle selector (93). When the lower heel of the spring-loaded needle selector (93) passes the needle selector (41) along the top edge of the guide triangle (421), the toothed plate of the spring-loaded needle selector (93) is pressed into the needle groove by the ejector triangle (424), and the lower part of the spring-loaded needle selector (93) is magnetically attracted to the magnetic component (432), so that the spring-loaded needle selector (93) moves along the first trajectory of the guide triangle (421), so that the upper heel of the spring-loaded needle selector (93) is in position H. Then, the rotary drive device drives the left needle-attaching plate (31) and the right needle-attaching plate (33) to extend out of the triangular base plate (1), and the hanging plate (32) retracts into the triangular base plate (1). The left needle-attaching plate (31) attaches the spring-loaded needle selector. The spring needle segment (931) of the foot (93) is pressed into the needle groove, and the spring needle selection segment (931) causes the heel of the long needle foot (92) to sink into the needle groove, so that the heel of the long needle foot (92) moves linearly along the surface of the disc mountain (21). When it passes the gap formed by the hanging eye pressure plate (32), the spring needle segment of the spring needle selection foot (93) returns to its original position, and the heel of the long needle foot (92) is exposed in the needle groove, so that the heel of the long needle foot (92) falls into the receiving needle of the disc mountain. The needle moves along the path of the needle insertion, and finally the right needle insertion plate (33) extends to press a portion of the heel of the long needle (92) into the needle groove through the spring needle segment (931). This causes the heel of the long needle (92) to enter the clearance groove (211) along the guide track, so that the heel of the long needle (92) leaves the clearance groove (211) and gradually descends along the side wall path of the right eye triangle (102), thereby completing the needle insertion process. The lifting process includes the following steps: After the spring-loaded needle selector is pre-selected, its lower heel is positioned in the guide triangle (421). During lifting, the needle selector (41) first does not select the spring-loaded needle selector (93). When the lower heel of the spring-loaded needle selector (93) passes the needle selector (41) along the top edge of the guide triangle (421), the toothed plate of the spring-loaded needle selector (93) is pressed into the needle groove by the ejector triangle (424), and the lower part of the spring-loaded needle selector (93) is magnetically attracted to the magnetic component (432), so that the spring-loaded needle selector (93) moves along the first trajectory of the guide triangle (421), so that the upper heel of the spring-loaded needle selector (93) is in position H. Then, the rotary drive device drives the left needle clamping plate (31) and the right needle clamping plate (33) to retract into the triangular base plate (1), and the lifting clamping plate (32) Extend the triangular base plate (1) and retract the triangular base plate (1) through the second linkage mechanism to link the flipping triangle (22). When the spring needle segment (931) of the spring needle selector (93) passes through the space formed by the left needle pressing plate (31), the heel of the long needle (92) gradually rises along the side wall of the disc mountain (21). When it passes through the hanging eye pressing plate (32), the spring needle segment (931) of the spring needle selector (93) is pressed into the needle groove, and the spring needle segment (931) presses the heel of the long needle (92) into the needle groove, so that the long needle (92) moves in a straight line along the surface of the disc mountain (21). When it reaches the space formed by the right needle pressing plate (33), the spring needle segment of the spring needle selector (93) is reset, and the heel of the long needle (92) is exposed in the needle groove and gradually descends along the side wall of the disc mountain, so that the knitting needle completes the hanging eye process. The knitting process includes the following steps: First, the needle selector (41) selects the spring needle selector (93). The lower heel of the spring needle selector (93) moves along the top edge of the zero position triangle (423) and is pressed into the needle groove by the action of the ramp (425), so that the lower part of the spring needle selector is magnetically attracted to the magnetic component until the spring needle selector (93) does not attract to the magnetic component when it passes the partition, so that the spring needle selector is exposed in the needle groove and the lower heel of the spring needle selector (93) moves along the second trajectory of the push needle triangle (422), thereby pushing the upper heel of the spring needle selector (93) to position A. The rotating drive device drives the turning needle triangle (22) to retract the triangle base plate (1), so that the spring needle moves along the knitting space, and the heel of the long needle (92) moves along the first needle path on the top surface of the disc mountain (21), thereby completing the knitting process. The needle flipping process includes the following steps: First, the needle selector (41) selects the spring-loaded needle foot (93). The lower edge of the needle selector of the spring-loaded needle foot (93) is along the top edge of the zero-position triangle (423), and under the action of the ramp surface (425), the spring-loaded needle foot (93) is pressed into the needle groove, so that the lower part of the spring-loaded needle foot is magnetically attracted to the magnetic component until the spring-loaded needle foot (93) is no longer attracted to the magnetic component when it passes the spacer, so that the spring-loaded needle foot is exposed in the needle groove and the spring-loaded needle foot (93) is exposed in the needle groove. The lower heel of the needle selection foot (93) moves along the second track of the push needle triangle (422) to push the upper heel of the needle selection foot (93) to position A. The rotating drive device (7) drives the turning needle triangle (22) to extend out of the triangle base plate (1) so that the spring needle selection foot moves along the knitting space and the heel of the long needle foot (92) moves along the second needle path of the disc mountain (21) and the turning needle triangle (22) so that the knitting needle completes the turning needle process. The non-woven process includes the following steps: First, the needle selector (41) does not select the spring needle selector. The lower heel of the spring needle selector (93) moves along the top edge of the zero-position triangle (423) and is pressed into the needle groove by the action of the ramp surface (425). The lower part of the spring needle selector (93) is magnetically attracted to the magnetic component (432) so that the spring needle selector (93) moves along the third trajectory of the zero-position triangle (423) and the upper heel of the spring needle selector (93) is in position B. The spring needle segment (931) of the spring needle selector (93) is pressed into the needle groove by the non-woven pressure plate (34), and the heel of the long needle (92) sinks into the needle groove so that the long needle (92) moves along the straight trajectory of the surface of the plate mountain, so that the knitting needle does not participate in knitting.

Images