A multi-station jacquard knitting circular knitting machine

Abstract

The present invention discloses a multi-station jacquard knitting circular knitting machine, belonging to the field, which comprises an equipment body. The equipment body includes a frame, a cylinder mechanism, a lower knitting needle assembly, a dial mechanism, an upper knitting needle assembly, a pattern selection mechanism and a driving mechanism. The jacquard blades and guide blades in the lower knitting needle assembly are provided with multi-point contacts, which cooperate with the jacquard cams, guide cams, lower knitting needle cams and cutter cams designed with multiple tracks, so that the multi-track control of the jacquard cam in the horizontal direction controls the pattern trajectory, and the three groups of cams in the vertical direction cooperate to adjust the knitting parameters, enabling a single device to cooperate with different tracks through the contacts to dynamically switch various knitting effects, such as texture, thickness, hair length, etc., without replacing components or cooperating with multiple machines. Compared with the traditional single-track equipment, the present invention realizes the integration of composite jacquard functions, significantly reduces the production cost, improves the production efficiency, and expands the possibilities of fabric design.

Description

Technical Field

[0001] The present invention discloses a multi-station jacquard knitting circular knitting machine, belonging to the technical field of textile equipment. Background Art

[0002] At present, the circular knitting machine is a device widely used in the textile industry, mainly used for producing various knitted fabrics. Its working principle is to cooperate with knitting needles, cams and needle selection mechanisms to carry out knitting on a cylindrical needle cylinder to form fabrics with different structures. With the development of technology, the circular knitting machine has been significantly improved in terms of efficiency, precision and pattern diversity, and can meet the market demand for complex patterns and high-quality knitted fabrics.

[0003] However, in the knitting process of the existing circular knitting machine, usually only a single jacquard effect can be achieved, that is, only a specific pattern or structure can be knitted in a single operation. If it is necessary to produce fabrics with multiple composite effects, such as different textures, thicknesses, colors or functional characteristics, etc., it often needs to be processed through multiple component replacements or completed by cooperating multiple devices. This not only increases the production cost but also reduces the production efficiency. Therefore, a new solution is needed to solve this problem. Summary of the Invention

[0004] The purpose of the present invention is to provide a multi-station jacquard knitting circular knitting machine to solve the above problems.

[0005] The present invention achieves the above object through the following technical solutions. A multi-station jacquard knitting circular knitting machine includes a device body, and the device body includes a frame, a cylinder mechanism, a lower knitting needle assembly, a dial mechanism, an upper knitting needle assembly, a pattern selection mechanism, and a driving mechanism; the frame is used for supporting the device body, including a top cover bracket and a base bracket, and there are columns arranged between the base bracket and the top cover bracket; the cylinder mechanism is used for installing the lower knitting needle assembly and forming front side loops, including a jacquard cylinder, a knitting cylinder, jacquard spacers, and lower knitting needle spacers. The jacquard cylinder is vertically rotatably arranged on the base bracket, the knitting cylinder is fixed above the jacquard cylinder, the jacquard spacers are arranged around and at intervals on the jacquard cylinder, and the lower knitting needle spacers are arranged around and at intervals on the knitting cylinder; the lower knitting needle assembly is used for knitting front side loops, including jacquard blades, guide blades, lower knitting needle blades, lower triangle mounting seats, and lower triangle blocks. The jacquard blades are slidably embedded between adjacent jacquard spacers, the bottom of the guide blade is clamped with the jacquard blade, and the top is clamped with the lower knitting needle blade. The lower knitting needle blades are slidably embedded between adjacent lower knitting needle spacers. There is a cutter groove on the lower knitting needle blade, and a cutter blade is slidably arranged in the cutter groove. The lower triangle mounting seats are arranged around the base bracket, and the lower triangle blocks are fixed on the lower triangle mounting seats; the lower triangle blocks include jacquard triangles, guide triangles, lower knitting needle triangles, and cutter triangles. The jacquard triangles are horizontally arranged at the bottom of the lower triangle mounting seats, and the guide triangles, lower knitting needle triangles, and cutter triangles are arranged inside the lower triangle mounting seats from bottom to top in sequence. The jacquard triangles, guide triangles, lower knitting needle triangles, and cutter triangles are all arranged as multi-track triangle blocks. The jacquard blades and guide blades are provided with multi-point contacts, and the lower knitting needle blades and cutter blades are provided with single-point contacts.

[0006] Preferably, the dial mechanism is used for installing the upper knitting needle assembly and forming back side loops, including a knitting dial and upper knitting needle spacers. The knitting dial is rotatably arranged on the top cover bracket, and the upper knitting needle spacers are arranged around the edge of the knitting dial and at intervals on the knitting dial.

[0007] Preferably, the upper knitting needle assembly is used for knitting back side loops, including upper knitting needle blades, upper triangle mounting seats, and upper triangle blocks. The upper knitting needle blades are slidably embedded between adjacent upper knitting needle spacers. The upper triangle mounting seats are arranged around the top cover bracket, and the upper triangle blocks are horizontally fixed on the upper triangle mounting seats.

[0008] Preferably, the pattern selection mechanism is used for screening and controlling the movement of the jacquard blades, including a mounting bracket and a pattern selector. The mounting bracket is fixed on the base bracket, and the pattern selector is fixed on the mounting bracket.

[0009] Preferably, the driving mechanism is used for driving the device to operate, including a total driving component, a top transmission component, and a bottom transmission component. The top transmission component is connected to the knitting dial, and the bottom transmission component is connected to the jacquard cylinder.

[0010] Preferably, the total drive assembly includes a total drive rod and a drive motor. The two ends of the total drive rod are respectively rotatably arranged on the base bracket and the top cover bracket. The drive motor is arranged on the base bracket, and the output end of the drive motor is in belt drive connection with the total drive rod.

[0011] Preferably, the top transmission assembly includes a first transmission disc, a connecting shaft, a second transmission disc, a middle transmission shaft, and a third transmission disc. The first transmission disc is rotatably arranged on the top cover bracket and is in gear drive connection with the total drive rod. The second transmission disc is coaxially arranged on the top of the first transmission disc. The connecting shaft is arranged around the second transmission disc, and the two ends of the connecting shaft are respectively fixed to the first transmission disc and the second transmission disc. The middle transmission shaft is coaxially arranged at the bottom of the second transmission disc, and the two ends of the middle transmission shaft are respectively fixed to the second transmission disc and the third transmission disc. The knitting needle disc is arranged on the third transmission disc.

[0012] Preferably, the bottom transmission assembly includes a fourth transmission disc and a fifth transmission disc. The fourth transmission disc is rotatably arranged on the base bracket and is in gear drive connection with the total drive rod. The fifth transmission disc is coaxially arranged on the top of the fourth transmission disc and is fixed to the fourth transmission disc. The jacquard cylinder is fixedly arranged above the fifth transmission disc.

[0013] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0014] By arranging a plurality of contact heads on the jacquard piece of the circular knitting machine and setting the jacquard cam, the guiding cam, the knitting needle cam, and the cutter cam as a multi-track system, the dynamic switching of multiple knitting effects can be realized on a single device. The multi-track design of the jacquard cam in the horizontal direction enables the jacquard piece to execute different strokes and trajectories, while the cooperation of the three groups of cams in the vertical direction can accurately control the knitting parameters. Compared with the traditional single-track device, the present invention integrates the composite jacquard function on one machine, without the need to replace components or cooperate with multiple machines, enabling the flexible combination of effects such as texture, thickness, hair length, and color in a single knitting, significantly reducing the production cost, improving the production efficiency, and at the same time significantly expanding the possibilities of fabric design. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a schematic diagram of the overall structure of the present invention;

[0016] Figure 2 is a schematic diagram of the frame structure of the present invention;

[0017] Figure 3 is a schematic diagram of the drive mechanism structure of the present invention;

[0018] Figure 4 is a schematic diagram of the needle selection mechanism and the bottom transmission assembly structure of the present invention;

[0019] Figure 5Schematic diagram of the syringe mechanism of the present invention;

[0020] Figure 6 Schematic diagram of the lower knitting needle assembly of the present invention;

[0021] Figure 7 Schematic diagram of the lower triangular block of the present invention;

[0022] Figure 8 Schematic diagram of the jacquard triangle of the present invention;

[0023] Figure 9 Schematic diagram of the top drive assembly of the present invention;

[0024] Figure 10 Schematic diagram of the needle plate mechanism of the present invention;

[0025] Figure 11 Schematic diagram of the lower knitting needle assembly of the present invention.

[0026] Reference numerals: 1, frame; 11, top cover bracket; 12, base bracket; 13, column; 2, syringe mechanism; 21, jacquard cylinder; 22, knitting needle cylinder; 23, jacquard spacer; 24, lower knitting needle spacer; 3, lower knitting needle assembly; 31, jacquard piece; 32, guide piece; 33, lower knitting needle piece; 34, lower triangle mounting seat; 35, lower triangular block; 351, jacquard triangle; 352, guide triangle; 353, lower knitting needle triangle; 354, cutter triangle; 36, cutter blade; 4, needle plate mechanism; 41, knitting needle plate; 42, upper knitting needle spacer; 5, upper knitting needle assembly; 51, upper knitting needle piece; 52, upper triangle mounting seat; 53, upper triangular block; 6, needle selection mechanism; 61, mounting bracket; 62, needle selector; 7, drive mechanism; 71, total drive assembly; 711, total drive rod; 72, top drive assembly; 721, drive disc one; 722, connecting shaft; 723, drive disc two; 724, drive middle shaft; 725, drive disc three; 73, bottom drive assembly; 731, drive disc four; 732, drive disc five. Detailed implementation manners

[0027] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings in the embodiments of the present invention. In the description of the present invention, it should be understood that the orientation or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the scope of protection of the present invention.

[0028] A multi-station jacquard knitting circular knitting machine, as Figure 1 shown, includes an equipment body, which includes a frame 1, a cylinder mechanism 2, a lower knitting needle assembly 3, a dial mechanism 4, an upper knitting needle assembly 5, a pattern selection mechanism 6, and a driving mechanism 7. Among them, the frame 1 is used for supporting the equipment body, the cylinder mechanism 2 is used for installing the lower knitting needle assembly 3 and forming the front coils, the lower knitting needle assembly 3 is used for knitting the front coils, the dial mechanism 4 is used for installing the upper knitting needle assembly 5 and forming the reverse coils, the upper knitting needle assembly 5 is used for knitting the reverse coils, the pattern selection mechanism 6 is used for screening and controlling the movement of the jacquard blades 31, and the driving mechanism 7 is used for driving the equipment to operate.

[0029] As Figure 2 shown, the frame 1 includes a top cover bracket 11 and a base bracket 12. A column 13 is provided between the base bracket 12 and the top cover bracket 11. Both the top cover bracket 11 and the base bracket 12 can be assembled by a number of bracket components. The specific components used and the assembly method can be determined according to the equipment model and actual requirements, as long as they achieve the supporting function and the installation function of other mechanisms, which are not the core technologies of the present invention, so no specific description is made.

[0030] As Figure 1 、 Figure 4 、 Figure 5 shown, the cylinder mechanism 2 specifically includes a jacquard cylinder 21, a knitting cylinder 22, a jacquard spacer 23, and a lower knitting needle spacer 24. Among them, the jacquard cylinder 21 is vertically rotatably arranged in the base bracket 12, and the knitting cylinder 22 is fixed above the jacquard cylinder 21. Therefore, the knitting cylinder 22 and the jacquard cylinder 21 will rotate together. The jacquard spacer 23 is arranged around and spaced on the jacquard cylinder 21, and the lower knitting needle spacer 24 is arranged around and spaced on the knitting cylinder 22.

[0031] As Figure 6As shown in the figure, the lower knitting needle assembly 3 specifically includes a jacquard piece 31, a guide piece 32, a lower knitting needle piece 33, a lower triangular mounting seat 34 and a lower triangular block 35, wherein the jacquard piece 31 is slidably embedded between two adjacent jacquard spacers 23, and can move freely forward and backward or up and down, but the left and right directions will be restricted, and the bottom of the jacquard piece 31 is embedded in the jacquard cylinder 21 through a limiting convex point, so the jacquard piece 31 will rotate with the jacquard cylinder 21, the limiting convex point is round head-shaped, so the jacquard piece 31 can also rotate within a certain range along the limiting convex point, the bottom of the guide piece 32 is clamped with the jacquard piece 31, and the top of the jacquard piece 31 is provided with a groove and a clamping part, the bottom of the guide piece 32 is embedded in the groove and clamped by the clamping part, and the clamping only produces a stabilizing and positioning effect, so the guide piece 32 can slide up and down, but when it slides to the highest point where it can slide, the bottom The lower triangular mounting seat 34 is arranged around the base bracket 12, and the lower triangular block 35 is fixed on the lower triangular mounting seat 34, and the lower triangular block 35 can be used to guide the movement trajectory of the jacquard piece 31, the guide piece 32, the lower triangular block 35 and the cutting blade 36, so as to achieve various weaving effects.

[0032] like Figure 6 , Figure 7 , Figure 8 As shown, the lower triangle block 35 specifically includes a jacquard triangle 351, a guide triangle 352, a lower knitting needle triangle 353 and a cutter triangle 354, wherein the jacquard triangle 351 is horizontally arranged at the bottom of the lower triangle mounting seat 34, and the guide triangle 352, the lower knitting needle triangle 353, and the cutter triangle 354 are arranged on the inner side of the lower triangle mounting seat 34 from bottom to top, and the jacquard triangle 351, the guide triangle 352, the lower knitting needle triangle 353, and the cutter triangle 354 are all arranged as multi-track triangle blocks, and the jacquard piece 31 and the guide piece 32 are provided with multi-point contacts, and the lower knitting needle piece 33 and the cutting blade 36 are provided with single-point contacts.

[0033] The cooperation between the contact and the track enables the jacquard blade 31 to be guided to rotate inwards or outwards. When the jacquard blade 31 rotates inwards, the guide blade 32 will be pressed and driven by it, so that the clamping point with the jacquard blade 31 moves inwards, and the clamping point with the lower knitting needle blade 33 moves outwards, forming an inclination. At the same time, the lower knitting needle blade 33 will also move outwards under the pressing of the guide blade 32. The multi-track of the jacquard cam 351 cooperates with the multi-point contacts of the jacquard blade 31, so that the jacquard blade 31 can rotate outwards at different distances and along different trajectories under the guidance of different tracks.

[0034] The multi-track of the guide cam 352 cooperates with the multi-point contacts of the guide blade 32. Different from the jacquard blade 31, each contact of the guide blade 32 will not be fully embedded in the track of the guide cam 352 at the same time. Since there is a distance between each contact of the guide blade 32, and when the jacquard blade 31 rotates inwards, the guide blade 32 will be driven to incline, so that its contacts are embedded in the track of the guide cam 352 and are guided to move by the guide cam 352. And the guide blade 32 moves up and down. Therefore, during its movement, the tracks aligned by the contacts will change. Combining with the different strokes of the jacquard blade 31 guided by the multi-track of the jacquard cam 351, a guide cam 352 can guide on multiple tracks, so as to achieve different guiding effects on the lower knitting needle blade 33.

[0035] Since the lower knitting needle blade 33 and the cutting blade 36 do not incline, single-point contacts are set, but different lengths can be set according to needs or the contacts can be set at different positions, so as to cooperate with the multi-track of the lower knitting needle cam 353 and the cutting knife cam 354, so that the lower knitting needle blade 33 and the cutting blade 36 with different contact positions or different lengths can be guided by different tracks of the lower knitting needle cam 353 and the cutting knife cam 354 to achieve different knitting effects. Combining with the guidance of the jacquard blade 31 and the guide blade 32, various knitting effects can be realized. Different textures, thicknesses, pile lengths, colors, etc. can be set on the same device. After testing, such as Figure 1 In the shown circular knitting machine, that is, when the guide cam 352, the lower knitting needle cam 353 and the cutting knife cam 354 are set as double tracks, the jacquard cam 351 is set as triple tracks, the jacquard blade 31 and the guide blade 32 are set as three-point contacts, and the lower knitting needle blade 33 and the cutting blade 36 are set as single-point contacts, a four-station effect can be achieved, that is, four kinds of fabrics with different textures, thicknesses, pile lengths, and colors can be woven on the same device, significantly reducing production costs, improving production efficiency, and at the same time significantly expanding the possibility of fabric design.

[0036] Such as Figure 1 、 Figure 9 、 Figure 10As shown, the needle disc mechanism 4 includes a knitting needle disc 41 and an upper knitting needle spacer 42. The knitting needle disc 41 is rotatably arranged on the top cover bracket 11, and the upper knitting needle spacer 42 surrounds the edge of the knitting needle disc 41 and is spaced on the knitting needle disc 41.

[0037] As Figure 11 shown, the upper knitting needle assembly 5 includes an upper knitting needle piece 51, an upper triangular mounting base 52, and an upper triangular block 53. Among them, the upper knitting needle piece 51 is slidably embedded between two adjacent upper knitting needle spacers 42 and can slide back and forth. The upper triangular mounting base 52 surrounds the top cover bracket 11, and the upper triangular block 53 is horizontally fixed on the upper triangular mounting base 52. A contact is provided on the upper knitting needle piece 51 and is embedded in the track of the upper triangular block 53. Therefore, the upper triangular block 53 can guide the movement of the upper knitting needle piece 51.

[0038] As Figure 4 shown, the pattern selection mechanism 6 includes a mounting bracket 61 and a pattern selector 62. The mounting bracket 61 is fixed inside the base bracket 12, and the pattern selector 62 is fixed on the mounting bracket 61. The needle pusher on the pattern selector 62 can cooperate with the convex block on the side of the jacquard blade 31. The needle pusher pushes the convex block upward to make the jacquard blade 31 rotate inward, while the track of the jacquard triangle 351 can guide the jacquard blade 31 to rotate outward. The two cooperate with each other to control the rotation position of the jacquard blade 31 during operation and achieve different knitting effects.

[0039] As Figure 3 shown, the driving mechanism 7 includes a total driving assembly 71, a top transmission assembly 72, and a bottom transmission assembly 73. The top transmission assembly 72 is connected to the knitting needle disc 41, and the bottom transmission assembly 73 is connected to the jacquard cylinder 21.

[0040] As Figure 4 、 Figure 9 shown, the total driving assembly 71 includes a total driving rod 711 and a driving motor. The two ends of the total driving rod 711 are respectively rotatably arranged on the base bracket 12 and the top cover bracket 11. The driving motor is arranged inside the base bracket 12 (not shown in the drawing, and the specific setting position can be freely designed according to the actual model and production situation). The output end of the driving motor is belt-drivenly connected to the total driving rod 711, and the total driving rod 711 can be driven to rotate by the driving motor.

[0041] As Figure 9As shown in the figure, the top drive assembly 72 includes a first drive disk 721, a connecting shaft 722, a second drive disk 723, a drive central shaft 724, and a third drive disk 725. The first drive disk 721 is rotatably arranged on the top cover support 11 and is in gear transmission connection with the main drive rod 711. The second drive disk 723 is coaxially arranged on the top of the first drive disk 721. The connecting shaft 722 is arranged around the second drive disk 723, and both ends of the connecting shaft 722 are fixed to the first drive disk 721 and the second drive disk 723 respectively. The drive central shaft 724 is coaxially arranged at the bottom of the second drive disk 723, and both ends of the drive central shaft 724 are fixed to the second drive disk 723 and the third drive disk 725 respectively. The knitting needle disk 41 is fixedly arranged on the third drive disk 725. Therefore, the rotation of the main drive rod 711 will drive the rotation of the first drive disk 721. The second drive disk 723 is fixed to the first drive disk 721 through the drive central shaft 724, so it will rotate together and drive the rotation of the drive central shaft 724, thereby causing the third drive disk 725 to rotate together, and finally causing the knitting needle disk 41 to rotate, and the upper knitting needle piece 51 to perform knitting operations.

[0042] As Figure 4 shown in the figure, the bottom drive assembly 73 includes a fourth drive disk 731 and a fifth drive disk 732. The fourth drive disk 731 is rotatably arranged inside the base support 12 and is in gear transmission connection with the main drive rod 711. The fifth drive disk 732 is coaxially arranged on the top of the fourth drive disk 731 and is fixed to the fourth drive disk 731. The jacquard cylinder 21 is fixedly arranged above the fifth drive disk 732. Therefore, the rotation of the main drive rod 711 will drive the rotation of the fourth drive disk 731, and the fifth drive disk 732 fixed to the fourth drive disk 731 will rotate together, thereby finally driving the rotation of the jacquard cylinder 21 and the knitting needle cylinder 22, and the jacquard piece 31, the guide piece 32, the lower knitting needle piece 33, and the cutting blade 36 to perform knitting operations.

[0043] Through the linkage design of the jacquard piece 31, the guide piece 32, the lower knitting needle piece 33, and the cutting blade 36, and the precise guidance of the multi-track cam system, the circular knitting machine of the present invention realizes complex and variable knitting effects. The multi-point contacts of the jacquard piece 31 cooperate with the multi-tracks of the jacquard cam 351 to control the rotation trajectories of different degrees. With the cooperation of the guide piece 32, when tilted, the contacts can selectively embed into different tracks of the guide cam 352, so as to realize the up and down movement guidance of different trajectories; the lower knitting needle piece 33 and the cutting blade 36 can be respectively regulated by the multi-tracks of the knitting needle cam 353 and the cutting blade cam 354 through the change of the single contact position or length. The multi-stage linkage enables a single device to flexibly combine textures, thicknesses, pile lengths, and colors, and efficiently produce diversified knitted fabrics in one knitting process, significantly reducing production costs and improving production efficiency.

[0044] For those skilled in the art, it is obvious that the present invention is not limited to the details of the above-described exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic characteristics of the present invention. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present invention is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be embraced within the present invention. Any reference signs in the claims should not be construed as limiting the claims involved.

[0045] In addition, it should be understood that although this specification is described in terms of embodiments, not every embodiment only contains an independent technical solution. This narrative manner of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A multi-station jacquard knitting circular knitting machine, comprising an equipment body, characterized in that: The device body comprises a frame (1), a needle cylinder mechanism (2), a lower knitting needle assembly (3), a needle disk mechanism (4), an upper knitting needle assembly (5), a needle selection mechanism (6) and a driving mechanism (7); The frame (1) is used to support the main body of the device, and comprises a top cover support (11) and a base support (12), wherein a column (13) is provided between the base support (12) and the top cover support (11); The needle cylinder mechanism (2) is used to install the lower knitting needle assembly (3) and form a front loop, comprising a jacquard cylinder (21), a knitting needle cylinder (22), a jacquard spacer (23) and a lower knitting needle spacer (24); the jacquard cylinder (21) is vertically rotatably arranged on the base bracket (12); the knitting needle cylinder (22) is fixed above the jacquard cylinder (21); the jacquard spacer (23) surrounds and is spaced apart on the jacquard cylinder (21); and the lower knitting needle spacer (24) surrounds and is spaced apart on the knitting needle cylinder (22); The lower knitting needle assembly (3) is used for knitting front loops, and comprises a jacquard piece (31), a guide piece (32), a lower knitting needle piece (33), a lower triangle mounting seat (34) and a lower triangle block (35); the jacquard piece (31) is slidably embedded between adjacent jacquard spacers (23); the bottom of the jacquard piece (31) is rotatably embedded in the jacquard cylinder (21) through a limiting convex point; the bottom of the guide piece (32) is clamped by the jacquard piece (31); the top of the guide piece (32) is clamped with the lower knitting needle piece (33); the lower knitting needle piece (33) is slidably embedded between adjacent lower knitting needle spacers (24); a cutting knife groove is provided on the lower knitting needle piece (33); a cutting blade (36) is slidably provided in the cutting knife groove; the lower triangle mounting seat (34) is arranged around the base bracket (12); and the lower triangle block (35) is fixed on the lower triangle mounting seat (34); The lower triangle block (35) comprises a jacquard triangle (351), a guide triangle (352), a lower knitting needle triangle (353) and a cutter triangle (354); the jacquard triangle (351) is horizontally arranged at the bottom of the lower triangle mounting seat (34); the guide triangle (352), the lower knitting needle triangle (353) and the cutter triangle (354) are arranged on the inner side of the lower triangle mounting seat (34) from bottom to top in sequence; the jacquard triangle (351), the guide triangle (352), the lower knitting needle triangle (353) and the cutter triangle (354) are all arranged as multi-track triangle blocks with different distances and different tracks; the jacquard piece (31) and the guide piece (32) are provided with multi-point contacts; the lower knitting needle piece (33) and the cutter blade (36) are provided with single-point contacts with non-uniform positions and lengths; The needle selection mechanism (6) is used to select and control the movement of the jacquard piece (31), and comprises a mounting bracket (61) and a needle selector (62), wherein the mounting bracket (61) is fixed on the base bracket (12), and the needle selector (62) is fixed on the mounting bracket (61), and the needle selector (62) is provided with a needle for moving the side protrusion of the jacquard piece (31) and driving the jacquard piece (31) to rotate; The multi-track of the jacquard cam (351) cooperates with the multi-point contacts of the jacquard blade (31), the multi-track of the guiding cam (352) cooperates with the multi-point contacts of the guiding blade (32), any track of the lower knitting needle cam (353) cooperates with the single-point contact of the lower knitting needle blade (33), and any track of the cutter cam (354) cooperates with the single-point contact of the cutter blade (36).

2. The multi-station jacquard knitting circular knitting machine according to claim 1, wherein: The needle cylinder mechanism (4) is used to install the upper knitting needle assembly (5) and form back stitches, and includes a knitting needle cylinder (41) and an upper knitting needle spacer (42). The knitting needle cylinder (41) is rotatably arranged on the top cover bracket (11), and the upper knitting needle spacer (42) surrounds the edge of the knitting needle cylinder (41) and is spacedly arranged on the knitting needle cylinder (41).

3. The multi-station jacquard knitting circular knitting machine according to claim 2, characterized in that: The upper knitting needle assembly (5) is used to knit back stitches and includes an upper knitting needle blade (51), an upper cam mounting seat (52), and an upper cam block (53). The upper knitting needle blade (51) is slidably embedded between adjacent upper knitting needle spacers (42), the upper cam mounting seat (52) surrounds the top cover bracket (11), and the upper cam block (53) is horizontally fixed on the upper cam mounting seat (52).

4. A multi-station jacquard knitting circular knitting machine according to claim 1, characterized in that: The driving mechanism (7) is used to drive the equipment to operate and includes a main driving component (71), a top transmission component (72), and a bottom transmission component (73). The top transmission component (72) is connected to the knitting needle cylinder (41), and the bottom transmission component (73) is connected to the jacquard cylinder (21).

5. The multi-station jacquard knitting circular knitting machine according to claim 4, wherein: The main driving component (71) includes a main driving rod (711) and a driving motor. The two ends of the main driving rod (711) are respectively rotatably arranged on the base bracket (12) and the top cover bracket (11). The driving motor is arranged on the base bracket (12), and the output end of the driving motor is belt-drivenly connected to the main driving rod (711).

6. The multi-station jacquard knitting circular knitting machine according to claim 5, characterized in that: The top transmission component (72) includes a first transmission disc (721), a connecting shaft (722), a second transmission disc (723), a transmission middle shaft (724), and a third transmission disc (725). The first transmission disc (721) is rotatably arranged on the top cover bracket (11) and is gear-drivenly connected to the main driving rod (711). The second transmission disc (723) is coaxially arranged on the top of the first transmission disc (721). The connecting shaft (722) surrounds the second transmission disc (723), and the two ends of the connecting shaft (722) are respectively fixed to the first transmission disc (721) and the second transmission disc (723). The transmission middle shaft (724) is coaxially arranged at the bottom of the second transmission disc (723), and the two ends of the transmission middle shaft (724) are respectively fixed to the second transmission disc (723) and the third transmission disc (725). The knitting needle cylinder (41) is arranged on the third transmission disc (725).

7. A multi-station jacquard knitting circular knitting machine according to claim 5, characterized in that: The bottom drive assembly (73) includes a fourth drive disk (731) and a fifth drive disk (732). The fourth drive disk (731) is rotatably arranged on the base bracket (12) and is in gear transmission connection with the main drive rod (711). The fifth drive disk (732) is coaxially arranged on the top of the fourth drive disk (731) and is fixed to the fourth drive disk (731). The jacquard cylinder (21) is fixedly arranged above the fifth drive disk (732).

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