High-speed energy-saving twill circular weaving machine

Abstract

The utility model relates to a high-speed energy-saving twill circular weaving machine which comprises a main shaft, a weaving assembly and an opening assembly, the opening assembly is arranged in the circumferential direction of the main shaft, the main shaft is provided with an upper cam, a middle cam and a lower cam in the axial direction, the opening assembly comprises a first opening piece, a second opening piece and a third opening piece, the first opening piece is in transmission connection with a first swing rod, and the third opening piece is in transmission connection with a second swing rod. The first swing rod is in transmission connection with the upper cam, the second opening and closing piece is in transmission connection with a second swing rod, the second swing rod is in transmission connection with the middle cam, the third opening and closing piece is in transmission connection with a third swing rod, the third swing rod is in transmission connection with the lower cam, and the first swing rod, the second swing rod and the third swing rod are arranged in the axial direction of the main shaft. The first opening piece, the second opening piece and the third opening piece are arranged in the radial direction of the main shaft, the diameters of the upper cam, the middle cam and the lower cam are sequentially increased in the axial direction, the three groups of warps are arranged in three layers, the circumferential gap formed by opening the warps is large, the diameters of the cams are sequentially increased in the axial direction, and the axial gap is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to a twill circular weaving machine, especially a high-speed energy-saving twill circular weaving machine. BACKGROUND

[0002] The utility model discloses a cam structure of twill circular weaving machine discloses the publication number CN220746203U, through a plurality of cam disc respectively drive the swing of swing lever on different mounting disc, thereby drive the up-down movement of the brown belt, realize the warp thread open exchange and make shuttle pass through, wherein, swing lever is located in the same vertical plane, and the warp thread that is passed through on the harness belt is closely adjacent and is arranged side by side, and the circumferential gap formed by the warp thread open exchange is small, and the radius of rotation of the shuttle is big, and the angle of swing is big, and the shuttle is squeezed, and the resistance is big, and the speed is slow and the energy consumption is high, and the finished product is fuzzy, and the quality is poor. SUMMARY

[0003] In view of the technical problems in the background art, the utility model aims at providing a high-speed energy-saving twill circular weaving machine, three layers of open exchange pieces are arranged along the radial direction of the main shaft, the diameters of the three layers of cams increase successively, the gap formed by the warp thread open exchange is large, the resistance of the shuttle is small, and the speed is fast, achieving the purpose of high speed and energy saving.

[0004] To solve the above technical problems, the utility model adopts the following technical scheme: the high-speed energy-saving twill circular weaving machine comprises a main shaft, a weaving assembly and an open exchange assembly, the weaving assembly is matched with the open exchange assembly, the main shaft is rotationally arranged, the open exchange assembly is arranged along the circumferential direction of the main shaft, and the main shaft is provided with an upper cam, a middle cam and a lower cam along the axial direction, wherein the open exchange assembly comprises a first open exchange piece, a second open exchange piece and a third open exchange piece, the first open exchange piece is transmissionally connected with a first swing lever, the first swing lever is transmissionally connected with the upper cam, the second open exchange piece is transmissionally connected with a second swing lever, the second swing lever is transmissionally connected with the middle cam, the third open exchange piece is transmissionally connected with a third swing lever, the third swing lever is transmissionally connected with the lower cam, the first swing lever, the second swing lever and the third swing lever are arranged along the axial direction of the main shaft, the first open exchange piece, the second open exchange piece and the third open exchange piece are arranged along the radial direction of the main shaft, and the diameters of the upper cam, the middle cam and the lower cam increase successively along the axial direction.

[0005] In the scheme, under the condition that other conditions remain unchanged, the first shedding part, the second shedding part and the third shedding part are arranged radially along the main shaft so that three groups of warp threads are arranged in three layers in front and back, the width of the warp threads in the same vertical plane is reduced by two-thirds, the circumferential gap formed by the radial space of the warp thread shedding is increased, so that the shuttle does not interfere with the warp threads, the resistance is small, the speed is fast, the energy consumption is low, the diameters of the upper cam, the middle cam and the lower cam increase in turn along the axial direction, so that the angles of the first swing lever, the second swing lever and the third swing lever increase in turn, and the lifting distances of the first shedding part, the second shedding part and the third shedding part increase in turn, so as to compensate for the decrease of the axial gap caused by the increase of the radial distance of the second shedding part and the third shedding part from the main shaft.

[0006] Preferably, the upper cam, the middle cam and the lower cam all have a wavy curved rib, the rear end of the first swing lever, the rear end of the second swing lever and the rear end of the third swing lever are connected with an upper roller and a lower roller, the upper roller abuts against the upper surface of the curved rib, and the lower roller abuts against the lower surface of the curved rib.

[0007] In the scheme, the upper roller and the lower roller clamp the curved rib, the transmission connection between the swing lever and the cam is stable, the swing lever swings in time, and the curved rib is convenient to process.

[0008] Preferably, the first shedding part, the second shedding part and the third shedding part all include an upper harness band and a lower harness band, the upper harness band is connected with the lower harness band, the front end of the first swing lever, the front end of the second swing lever and the front end of the third swing lever are connected with the lower harness band, a harness wire is connected between the upper harness band and the lower harness band, the harness wire has a harness eye for the warp thread to pass through, the upper harness band is arranged around a first roller, the lower harness band is arranged around a second roller, and the first roller is located above the second roller.

[0009] In the scheme, the upper harness band and the lower harness band are fully tensioned around the first roller and the second roller, the swing lever drives the harness wire to lift, and the gap formed by the warp thread shedding is formed.

[0010] Preferably, the main shaft is sequentially provided with an upper mounting disc, a middle mounting disc and a lower mounting disc along the axial direction, the upper mounting disc is provided with a first mounting seat, the rear end of the first swing lever is hinged to the first mounting seat, the middle mounting disc is provided with a second mounting seat, the rear end of the second swing lever is hinged to the second mounting seat, and the lower mounting disc is provided with a third mounting seat, and the rear end of the third swing lever is hinged to the third mounting seat.

[0011] In the scheme, the rear end of the swing lever is hinged to the mounting seat, the swing angle and the swing amplitude of the shedding part side are increased by changing the lever arm, the lifting distance of the shedding part is increased, the upper mounting disc, the middle mounting disc and the lower mounting disc can separate the swing space of the corresponding swing lever, and can be used as a reference object during debugging to avoid interference between adjacent swing levers.

[0012] Preferably, the second rollers are all mounted on the lower mounting disc, the lower harness belt of the first heald is provided with an opening for the second swing rod and the third swing rod to pass through, and the lower harness belt of the second heald is provided with an opening for the third swing rod to pass through.

[0013] In this scheme, the second rollers are all mounted on the lower mounting disc, which is convenient to disassemble and assemble, and openings are provided on the harness belts for the swing rods to pass through, so as to avoid interference.

[0014] Preferably, the front end of the first swing rod, the front end of the second swing rod and the front end of the third swing rod are all provided with a driving shaft, the first heald, the second heald and the third heald all include a rod body, the rod body is provided with a limiting sleeve, the limiting sleeve is fixedly arranged, the rod body is provided with a heald eye and a driving block, the heald eye is for a weft thread to pass through, and the driving block is provided with a long slot hole for the driving shaft to pass through, and the long slot hole extends along the radial direction of the main shaft.

[0015] In this scheme, the swing of the swing rod makes the driving shaft move in the long slot hole and drives the heald to rise and fall, and the limiting sleeve ensures that the heald is in a vertical state.

[0016] Preferably, the main shaft is sequentially provided with an upper mounting disc, a middle mounting disc and a lower mounting disc along the axial direction, the upper mounting disc is provided with a first mounting seat, the rear end of the first swing rod is hinged to the first mounting seat, the middle mounting disc is provided with a second mounting seat, the rear end of the second swing rod is hinged to the second mounting seat, the lower mounting disc is provided with a third mounting seat, the rear end of the third swing rod is hinged to the third mounting seat, and the limiting sleeve includes an upper sleeve and a lower sleeve, the upper sleeve is mounted on the upper mounting disc, and the lower sleeve is mounted on the middle mounting disc.

[0017] In this scheme, the upper sleeve and the lower sleeve cooperate to limit the heald, and double-point limiting makes the heald rise and fall stable.

[0018] Preferably, the driving block is arranged at the middle part of the rod body, and the rod body of the third heald is longer than the rod body of the first heald.

[0019] In this scheme, the driving block is arranged at the middle part of the heald, and the heald is more stable to be pulled and lifted.

[0020] Preferably, the driving block of the second heald is provided with an opening for the first heald to pass through, and the driving block of the third heald is provided with an opening for the first heald and the second heald to pass through.

[0021] In this scheme, openings are arranged on the driving blocks for the healds to pass through, so as to avoid interference.

[0022] Preferably, the knitting assembly comprises a plurality of at least three shuttles and a plurality of pusher wheels corresponding to the shuttles, the pusher wheels are in driving connection with the main shaft, the curved convex ribs comprise a low section, a first high section and a second high section, the low section and the first high section, the second high section and the low section are connected with transition sections, and the first high section and the second high section are connected with an avoidance section, and the avoidance section changes in height slower than the transition section.

[0023] In this scheme, the avoidance section effectively avoids the pusher wheel for the corresponding warp.

[0024] The first shedding element, the second shedding element and the third shedding element are arranged along the radial direction of the main shaft, so that the three groups of warps are arranged in three layers in front and back, the circumferential gap formed by the shedding of the warps is large, the diameters of the upper cam, the middle cam and the lower cam increase in sequence along the axial direction, so that the angles of the first swing rod, the second swing rod and the third swing rod increase in sequence, the axial gap formed by the shedding of the warps is ensured, the resistance of the shuttle is small, the speed is fast, the purpose of high speed and energy saving is achieved, and the finished product is not fuzzy. BRIEF DESCRIPTION OF DRAWINGS

[0025] The embodiments and examples of the present application will be described below in detail with reference to the accompanying drawings.

[0026] Figure 1 The figure is a structural schematic diagram of the present application.

[0027] Figure 2 The figure is a structural schematic diagram of the upper harness and the lower harness in the present application.

[0028] Figure 3 The figure is a structural schematic diagram of another embodiment of the present application.

[0029] Figure 4 The figure is a structural schematic diagram of the upper cam, the first swing rod and the rod body in the present application.

[0030] Figure 5 The figure is a structural schematic diagram of the low section of the curved convex rib in the present application.

[0031] Figure 6 The figure is a structural schematic diagram of the curved convex rib in the present application.

[0032] In the figure: 1, main shaft; 3, shedding assembly; 4, upper cam; 5, middle cam; 6, lower cam; 7, first shedding part; 8, first swing lever; 9, second shedding part; 10, second swing lever; 11, third shedding part; 12, third swing lever; 13, curved convex rib; 14, upper roller; 15, lower roller; 16, upper harness band; 17, lower harness band; 18, harness wire; 19, harness eye; 20, first roller; 21, second roller; 22, upper mounting disc; 23, middle mounting disc; 24, lower mounting disc; 25, first mounting seat; 26, second mounting seat; 27, third mounting seat; 28, driving shaft; 29, rod body; 30, limiting sleeve; 31, driving block; 32, long slot hole; 33, upper sleeve; 34, lower sleeve; 35, low position section; 36, first high position section; 37, second high position section; 38, transition section; 39, avoidance section. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, and not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0034] In the description of the present application, it should be understood that the terms "upper", "lower", etc. indicate the orientation or positional relationship shown in the drawings, and are only for the purpose of facilitating the description of the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0035] In the description of the present application, the terms "first", "second", etc. are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated.

[0036] Referring to the drawings, Figures 1-4 In an embodiment of the present application, a high-speed energy-saving twill circular weaving machine includes a main shaft 1, a weaving assembly, and a shedding assembly 3. The weaving assembly cooperates with the shedding assembly 3. The main shaft 1 is rotatably arranged. The shedding assembly 3 is arranged circumferentially along the main shaft 1. The main shaft 1 is provided with an upper cam 4, a middle cam 5, and a lower cam 6 in the axial direction.

[0037] The first swing rod 8, the second swing rod 10 and the third swing rod 12 are arranged along the main shaft 1 in the axial direction, the first open cross member 7, the second open cross member 9 and the third open cross member 11 are arranged along the main shaft 1 in the radial direction, the diameters of the upper cam 4, the middle cam 5 and the lower cam 6 increase in sequence in the axial direction, the main shaft 1 is sequentially provided with the upper mounting disc 22, the middle mounting disc 23 and the lower mounting disc 24 in the axial direction, the upper mounting disc 22 is provided with the first mounting seat 25, the rear end of the first swing rod 8 is hinged to the first mounting seat 25, the middle mounting disc 23 is provided with the second mounting seat 26, the rear end of the second swing rod 10 is hinged to the second mounting seat 26, the lower mounting disc 24 is provided with the third mounting seat 27, and the rear end of the third swing rod 12 is hinged to the third mounting seat 27.

[0038] In this embodiment, the main shaft 1 is connected with the motor through a synchronous belt, the weaving assembly (not shown in the figure, a mature technology) includes shuttles for pulling weft, the number of shuttles is three, the shedding assembly includes heddles 18, the heddles 18 have shed eyes 19 for warp threads to pass through, the main shaft 1 drives the corresponding swing rods to swing through corresponding cams, the first shedding assembly 7, the second shedding assembly 9 and the third shedding assembly 11 are staggered to lift and lower to make the warp threads shed up and down to allow the weft to pass through, forming a twill, which is a mature technology, wherein the power of the motor is reduced from 4kw to 1.5kw; the motion trajectory of the shuttle is circular, the warp thread and the motion plane will intersect, and the warp thread shedding will form an angle with the motion plane, the intersection point should be arranged in the circle, and the angle should be large enough to prevent the warp thread from rubbing against the shuttle, the first shedding assembly 7, the second shedding assembly 9 and the third shedding assembly 11 are arranged radially along the main shaft 1, so that the original three groups of circumferentially distributed intersection points are changed to be radially distributed, assuming that the original three groups of intersection points are located on the same line segment, the length of the line segment after optimization is shortened to one third of the original, and the width of the line segment is increased to three times of the original (the radial spacing of the three shedding assemblies should also be considered in actuality), the radial space is used to make the intersection point farther away from the motion trajectory of the shuttle; in the case that the fulcrum is unchanged, the first shedding assembly 7, the second shedding assembly 9 and the third shedding assembly 11 are arranged radially along the main shaft 1, so that the corresponding force arms of the first swing rod 8, the second swing rod 10 and the third swing rod 12 are lengthened in turn, the diameters of the upper cam 4, the middle cam 5 and the lower cam 6 are increased in turn along the axial direction, so that the corresponding force arms of the first swing rod 8, the second swing rod 10 and the third swing rod 12 are shortened in turn, the lengthening of the force arm increases the swing amplitude at the same swing angle, the shortening of the force arm increases the swing angle at the same swing amplitude, and the two designs make the lifting and lowering distances of the second shedding assembly 9 and the third shedding assembly 11 increase in turn; the definition of the cam diameter is based on the outermost edge of the transmission connection part of the swing rod and the cam, the clamping transmission makes the material of the swing rod plastic, and the stability of the transmission connection can be ensured without considering the self-weight, thereby further reducing the energy consumption.

[0039] In other alternative embodiments, the cam can be provided with a groove, the swing rod is connected with a roller, the roller moves in the groove, and the ups and downs of the groove wall can drive the roller to lift and drive the swing rod to swing; the first swing rod 8, the second swing rod 10 and the third swing rod 12 can also be hinged with the same support rod.

[0040] Referring to the accompanying drawings Figures 1-2In the embodiment of the present application, the first shedding part 7, the second shedding part 9 and the third shedding part 11 each include an upper harness band 16 and a lower harness band 17, the upper harness band 16 is connected with the lower harness band 17, the first swing lever 8, the second swing lever 10 and the third swing lever 12 are connected with the lower harness band 17, the upper harness band 16 and the lower harness band 17 are connected with a harness wire 18, the harness wire 18 has a harness eye 19 for the warp to pass through, the upper harness band 16 is arranged around a first roller 20, the lower harness band 17 is arranged around a second roller 21, the first roller 20 is above the second roller 21, the second roller 21 is installed on the lower mounting disc 24, the lower harness band 17 of the first shedding part 7 is provided with an opening for the second swing lever 10 and the third swing lever 12 to pass through, the lower harness band 17 of the second shedding part 9 is provided with an opening for the third swing lever 12 to pass through.

[0041] In the embodiment of the present application, the upper harness band 16 and the lower harness band 17 are connected into a whole through the harness wire 18, are arranged between the first roller 20 and the second roller 21, the swing lever swings to drive the lower harness band 17 to rise and fall, so that the harness eye 19 of the harness wire 18 rises and falls to lift the warp.

[0042] In other alternative embodiments, the second roller 21 corresponding to the first shedding part 7 can be arranged on the upper mounting disc 22, the second roller 21 corresponding to the second shedding part 9 can be arranged on the middle mounting disc 23, without considering the interference between the lower harness band 17 and the swing lever.

[0043] Referring to the drawings Figures 3-4In another embodiment of the present embodiment, the front end of the first swing lever 8, the front end of the second swing lever 10 and the front end of the third swing lever 12 are provided with driving shafts 28, the first shedding part 7, the second shedding part 9 and the third shedding part 11 each include a rod body 29, the rod body 29 is matched with a limiting sleeve 30, the limiting sleeve 30 is fixedly arranged, the rod body 29 is provided with a heald eye 19 and a driving block 31, the heald eye 19 is for the warp to pass through, the driving block 31 is arranged at the middle part of the rod body 29, the rod body 29 of the third shedding part 11 is longer than the rod body 29 of the first shedding part 7, the driving block 31 of the second shedding part 9 is provided with an opening for the first shedding part 7 to pass through, the driving block 31 of the third shedding part 11 is provided with an opening for the first shedding part 7 and the second shedding part 9 to pass through, the driving block 31 is provided with a long slot hole 32 for the driving shaft 28 to pass through, the long slot hole 32 extends along the radial direction of the main shaft 1, the main shaft 1 is sequentially provided with an upper mounting disc 22, a middle mounting disc 23 and a lower mounting disc 24 along the axial direction, the upper mounting disc 22 is provided with a first mounting seat 25, the rear end of the first swing lever 8 is hinged to the first mounting seat 25, the middle mounting disc 23 is provided with a second mounting seat 26, the rear end of the second swing lever 10 is hinged to the second mounting seat 26, the lower mounting disc 24 is provided with a third mounting seat 27, the rear end of the third swing lever 12 is hinged to the third mounting seat 27, the limiting sleeve 30 includes an upper sleeve 33 and a lower sleeve 34, the upper sleeve 33 is mounted on the upper mounting disc 22, and the lower sleeve 34 is mounted on the middle mounting disc 23.

[0044] In the present embodiment, the swing lever swing drives the driving shaft 28 to drive the block 31 to produce axial displacement, the driving shaft 28 moves along the long slot hole 32 to adapt to the radial displacement, and the limiting sleeve 30 ensures that the shedding part is in a vertical state, wherein the rod body 29 of the first shedding part 7 is shorter than the rod body 29 of the third shedding part 11, so as to avoid affecting stability due to excessive length.

[0045] Referring to the accompanying drawings Figures 5-6 The weaving assembly includes a plurality of shuttles and a plurality of shuttle wheels, the number of the shuttles is at least three, the number of the shuttle wheels is equal to the number of the shuttles, the shuttle wheels are in one-to-one correspondence with the shuttles, the shuttle wheels are in transmission connection with the main shaft 1, the curved convex rib 13 includes a low position section 35, a first high position section 36 and a second high position section 37, a transition section 38 is arranged between the low position section 35 and the first high position section 36 and between the second high position section 37 and the low position section 35, an avoidance section 39 is arranged between the first high position section 36 and the second high position section 37, and the avoidance section 39 changes in height more slowly than the transition section 38.

[0046] In the present embodiment, the main shaft 1 drives the rotation of the shuttle wheel and the cam, the shuttle wheel drives the movement of the shuttle, the warp passes through the low position section 35 and the high position section of the shedding part, and passes through the transition section 38 and the avoidance section 39 of the shedding part.

[0047] The above is the preferred embodiment of the present application, it should be pointed out that the protection scope of the present application is not limited to this. For those skilled in the technical field, without departing from the technical range disclosed by the present application, under the premise of equivalent inventive concept, some improvements and refinements or equivalent replacements can also be made, which is also regarded as the protection scope of the present application.

Claims

1. A high-speed energy-saving twill circular weaving machine, comprising a main shaft (1), a weaving assembly and an opening assembly (3), the weaving assembly cooperating with the opening assembly (3), the main shaft (1) being rotationally arranged, the opening assembly (3) being circumferentially arranged along the main shaft (1), the main shaft (1) being axially provided with an upper cam (4), a middle cam (5) and a lower cam (6), characterized in that: The shedding component (3) comprises ​ A first shedding element (7) is drivingly connected with a first swing lever (8), the first swing lever (8) is drivingly connected with the upper cam (4); A second shedding element (9) is drivingly connected with a second swing lever (10), the second swing lever (10) is drivingly connected with the middle cam (5); A third shedding element (11) is drivingly connected with a third swing lever (12), the third swing lever (12) is drivingly connected with the lower cam (6); The first swing lever (8), the second swing lever (10) and the third swing lever (12) are arranged axially along the main shaft (1), the first shedding element (7), the second shedding element (9) and the third shedding element (11) are arranged radially along the main shaft (1), the diameters of the upper cam (4), the middle cam (5) and the lower cam (6) increase successively along the axial direction.

2. A high speed energy saving twill circular knitting machine as claimed in claim 1 wherein: The upper cam (4), the middle cam (5) and the lower cam (6) all have a wavy curve protruding rib (13), the rear end of the first swing lever (8), the rear end of the second swing lever (10) and the rear end of the third swing lever (12) are all connected with an upper roller (14) and a lower roller (15), the upper roller (14) abuts against the upper surface of the curve protruding rib (13), the lower roller (15) abuts against the lower surface of the curve protruding rib (13).

3. A high speed energy saving twill circular knitting machine as claimed in claim 1 wherein: The first shedding element (7), the second shedding element (9) and the third shedding element (11) all comprise an upper harness band (16) and a lower harness band (17), the upper harness band (16) is connected with the lower harness band (17), the front end of the first swing lever (8), the front end of the second swing lever (10) and the front end of the third swing lever (12) are all connected with the lower harness band (17), a harness wire (18) is connected between the upper harness band (16) and the lower harness band (17), the harness wire (18) has a harness eye (19) for a warp thread to pass through, the upper harness band (16) is arranged around a first roller (20), the lower harness band (17) is arranged around a second roller (21), the first roller (20) is located above the second roller (21).

4. A high speed energy saving twill circular knitting machine as claimed in claim 3 wherein: The main shaft (1) is successively provided with An upper mounting disc (22) is provided with a first mounting seat (25), the rear end of the first swing lever (8) is hinged to the first mounting seat (25); A middle mounting disc (23) is provided with a second mounting seat (26), the rear end of the second swing lever (10) is hinged to the second mounting seat (26); A lower mounting disc (24) is provided with a third mounting seat (27), the rear end of the third swing lever (12) is hinged to the third mounting seat (27).

5. A high speed energy saving twill circular knitting machine as claimed in claim 4 wherein: The second rollers (21) are all mounted on the lower mounting disc (24), the lower harness band (17) of the first shedding element (7) is provided with an opening for the second swing lever (10) and the third swing lever (12) to pass through, the lower harness band (17) of the second shedding element (9) is provided with an opening for the third swing lever (12) to pass through.

6. A high speed energy saving twill circular knitting machine as claimed in claim 1 wherein: The front end of the first swing lever (8), the front end of the second swing lever (10) and the front end of the third swing lever (12) are provided with driving shafts (28), the first shedding part (7), the second shedding part (9) and the third shedding part (11) each comprise a lever body (29), the lever body (29) is provided with a limiting sleeve (30), the limiting sleeve (30) is fixedly arranged, and the lever body (29) is provided with A heddle (19) through which a warp thread passes; A driving block (31) provided with a long slot hole (32) through which the driving shaft (28) passes, and the long slot hole (32) extends along the radial direction of the main shaft (1).

7. A high speed energy saving twill circular knitting machine as claimed in claim 6 wherein: The main shaft (1) is sequentially provided with An upper mounting disc (22) provided with a first mounting seat (25), the rear end of the first swing lever (8) is hinged to the first mounting seat (25); A middle mounting disc (23) provided with a second mounting seat (26), the rear end of the second swing lever (10) is hinged to the second mounting seat (26); A lower mounting disc (24) provided with a third mounting seat (27), the rear end of the third swing lever (12) is hinged to the third mounting seat (27); The limiting sleeve (30) comprises an upper sleeve (33) and a lower sleeve (34), the upper sleeve (33) is mounted on the upper mounting disc (22), and the lower sleeve (34) is mounted on the middle mounting disc (23).

8. A high speed energy saving twill circular knitting machine as claimed in claim 6 wherein: The driving block (31) is arranged at the middle part of the lever body (29), and the lever body (29) of the third shedding part (11) is longer than the lever body (29) of the first shedding part (7).

9. A high speed energy saving twill circular knitting machine as claimed in claim 8 wherein: The driving block (31) of the second shedding part (9) is provided with an opening through which the first shedding part (7) passes, and the driving block (31) of the third shedding part (11) is provided with an opening through which the first shedding part (7) and the second shedding part (9) pass.

10. A high speed energy saving twill circular knitting machine as claimed in claim 2 wherein: The weaving assembly comprises shuttles and shuttle wheels, the number of the shuttles is at least three, the shuttle wheels correspond to the shuttles one by one, the shuttle wheels are in transmission connection with the main shaft (1), the curved convex rib (13) comprises a low-position section (35), a first high-position section (36) and a second high-position section (37), a transition section (38) is arranged between the low-position section (35) and the first high-position section (36) and between the second high-position section (37) and the low-position section (35), an avoiding section (39) is arranged between the first high-position section (36) and the second high-position section (37), and the height change of the avoiding section (39) is slower than the height change of the transition section (38).

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