CN214736449U

CN214736449U - Upper disc, needle cylinder and circular weft knitting machine

Info

Publication number: CN214736449U
Application number: CN202120512783.7U
Authority: CN
Inventors: 黄小龙; 徐峰; 张育翔
Original assignee: Jiangyin Xinfu Precision Machinery Co ltd
Current assignee: Jiangyin Xinfu Precision Machinery Co ltd
Priority date: 2020-04-24
Filing date: 2021-03-10
Publication date: 2021-11-16
Anticipated expiration: 2031-03-10
Also published as: CN214992189U; CN112746372A; CN112725992A; CN112746373B; WO2021212719A1; CN112746373A; CN112746372B; WO2021213044A1; CN112725992B; WO2021213047A1; ZA202211141B; CN111350014A; CN214529484U

Abstract

The utility model relates to the technical field of circular knitting machines, in particular to an upper plate of a cylinder of a circular knitting machine, which comprises an annular plate body with an annular structure; the length direction of the transverse plates is arranged along the radial direction of the annular disc body, the plurality of transverse plates are arranged on the upper surface of the annular disc body around the axis of the annular disc body, and a transverse notch is formed between every two adjacent transverse plates; and a second through groove penetrating through the thickness of the annular disc body is arranged in at least one transverse notch, the second through groove penetrates through the outer edge of the annular disc body, and the transverse depth of the second through groove is greater than zero and smaller than the radial width of the annular disc body. The utility model discloses have the effect that conveniently weave out the double faced fabric who has the cut circle fine hair fast. The utility model relates to a technical field of circular knitting machine especially relates to a circular knitting machine cylinder. The utility model belongs to the technical field of the technique of circular knitting machine and specifically relates to a circular knitting machine is related to.

Description

Upper disc, needle cylinder and circular weft knitting machine

Technical Field

The utility model belongs to the technical field of the technique of circular knitting machine and specifically relates to an hanging wall, cylinder and circular knitting machine are related to.

Background

At present, the cloth woven by a circular knitting machine and having cut loop pile only has a single surface, so that a practitioner needs to adhere another single-surface cloth to meet the requirement if the practitioner wants to increase the fullness, warmth retention or tissue diversity of the cloth.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a not enough to prior art exists, the utility model aims at providing a circle latitude machine cylinder hanging wall, it has the effect that conveniently knits out the double faced fabric that has the cut circle fine hair fast.

The above object of the present invention is achieved by the following technical solutions:

an upper plate of a cylinder of a circular knitting machine, comprising:

the annular disc body is of an annular structure;

the length direction of the transverse plates is arranged along the radial direction of the annular disc body, the plurality of transverse plates are arranged on the upper surface of the annular disc body around the axis of the annular disc body, and a transverse notch is formed between every two adjacent transverse plates;

and a second through groove penetrating through the thickness of the annular disc body is arranged in at least one transverse notch, the second through groove penetrates through the outer edge of the annular disc body, and the transverse depth of the second through groove is greater than zero and smaller than the radial width of the annular disc body.

The present invention may be further configured in a preferred embodiment as: at least two second through grooves are formed, and at least two transverse plates are arranged between every two adjacent second through grooves.

The present invention may be further configured in a preferred embodiment as: the transverse depth of the second through groove is less than or equal to the length of the transverse plate.

The present invention may be further configured in a preferred embodiment as: m transverse plate pieces are arranged between every two adjacent second through grooves, wherein m is more than 1 and less than 40, and m is an integer.

To the deficiency that prior art exists, the second purpose of the utility model is to provide a circular knitting machine cylinder, it has the effect that conveniently weave out the double faced fabric that has the cut circle fine hair fast.

a circular knitting machine needle cylinder comprises an upper disc and a lower cylinder arranged below the upper disc

The present invention may be further configured in a preferred embodiment as: the lower barrel comprises a barrel body and a plurality of vertical plates, the barrel body is of a cylindrical structure, the vertical plates are evenly arranged on the outer side wall of the barrel body around the axis of the barrel body, and a vertical notch is formed between every two adjacent vertical plates.

A circular knitting machine comprises the circular knitting machine needle cylinder and a hair blowing device,

an upper knitting needle is arranged in the transverse notch without the second through groove, and can reciprocate in the transverse notch along the radial direction of the upper disc;

an upper knife hook assembly is arranged in the transverse notch with the second through groove, the upper knife hook assembly comprises two superposed and stacked upper fabric hooks and an upper fabric knife arranged between the two upper fabric hooks, and the upper fabric knife can reciprocate between the two upper fabric hooks along the radial direction of the upper disc;

the hair blowing device drives cut loop velvet to enter the cylinder body through the second through groove

The present invention may be further configured in a preferred embodiment as: the hair blowing device comprises an air faucet and an air source for supplying air to the air faucet, and a nozzle opening of the air faucet is arranged towards the second through groove.

The present invention may be further configured in a preferred embodiment as: the air source is a negative pressure air source, the air nozzle is arranged in the cylinder body, and the air nozzle is aligned to the second through groove to suck the cut loop velvet into the cylinder body.

The present invention may be further configured in a preferred embodiment as: the air source is a positive pressure air source, the air nozzle is arranged outside the cylinder body, and the air nozzle is aligned to the second through groove to blow cut loop velvet into the cylinder body.

To sum up, the utility model discloses a following at least one useful technological effect:

the application of the circular knitting machine can conveniently and quickly weave out double-faced cloth with one side provided with cut loop velvet, avoids the mode of gluing by glue in the past, not only reduces the procedure of gluing by glue, but also is more sanitary because the double-faced cloth is not glued by glue.

Drawings

FIG. 1 is a schematic view of the structure of a cylinder in embodiment 1;

FIG. 2 is a partial schematic view of FIG. 1 in the embodiment 1;

FIG. 3 is a schematic view of the structure of the upper knife hook assembly in embodiment 1;

FIG. 4 is a schematic view showing the structure of the upper needle or the lower needle in embodiment 1;

FIG. 5 is a schematic view showing the upper knitting needle taking in the ground yarn and the wool yarn and the upper knife and hook assembly taking in the wool yarn in example 1;

FIG. 6 is a schematic view showing the operation of the upper knife and hook assembly for stretching a wool yarn in example 1;

figures 7 and 8 are schematic views of the action of the upper needle for knitting the second fabric layer in the embodiment 1;

FIG. 9 is a schematic view showing the operation of the upper cutter for cutting the loop in embodiment 1;

FIG. 10 is a schematic view showing the structure of a double-sided cloth having cut pile in example 1;

FIG. 11 is a schematic view showing a step of weaving a double-sided cloth having cut piles in example 1;

FIG. 12 is a flow chart of the present invention;

FIG. 13 is a schematic view of the components of the syringe;

FIG. 14 is a schematic diagram of the motion displacement trajectory of the present invention;

FIG. 15 is a schematic view of the movement displacement trajectory of the knitting needle;

FIG. 16 is a schematic view of the displacement path of the movement of the first and second hooks;

FIG. 17 is a schematic diagram of the movement displacement trajectory of the weaving knife;

FIG. 18 is a schematic view of the structure of the knitting needle;

FIG. 19 is a schematic view of the construction of a first hook and a second hook;

FIG. 20 is a schematic view of the structure of the weaving knife;

FIG. 21 is a schematic structural view of a triangular base;

FIG. 22 is a schematic structural view of the lower plate assembly;

FIG. 23 is a summary table of parameters of examples 3 to 5.

In the figure, 1, upper disc; 11. an annular disk body; 12. a transverse plate; 13. a second through groove; 14. a transverse notch; 2. an upper knitting needle; 3. an upper knife hook assembly; 31. an upper weaving knife; 32. an upper hook; 4. an air tap; 5. a lower barrel; 51. a barrel; 52. a vertical plate; 53. a vertical slot; 6. a lower knitting needle; 71. wool yarn; 72; bottom yarn; 73. connecting yarns; 81. a first cloth layer; 82. a second cloth layer; 83. a connecting layer; 84. cutting loop velvet; 85. a yarn loop; 86. a fluff layer; 100. a needle cylinder; 101. An upper body; 102. a lower body; 103. inserting sheets; 104. protecting teeth; 200. knitting needles; 201. a needle head; 202. a latch; 203. a stitch; 300. a first fabric hook; 301. a first hook head; 302. a first hook lever; 303. a first hook leg; 400. a second fabric hook; 401. A second hook head; 402. a second hook lever; 403. a second hook leg; 500. weaving a knife; 501. a cutter head; 502. a cutter bar; 601. A first stage; 602. a second stage; 603. a third stage; 604. a fourth stage; 605. a fifth stage; 606. and a sixth stage.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example 1:

referring to fig. 1-11, for the utility model discloses a circular knitting machine, including a lower cylinder 5, an upper plate 1 arranged above the lower cylinder 5 and a hair blowing device.

The upper tray 1 comprises an annular tray body 11 and a plurality of transverse plates 12, wherein the annular tray body 11 has a circular ring structure; the plurality of transverse plates 12 are arranged along the radial direction of the annular disc body 11 along the length direction, the plurality of transverse plates 12 are arranged on the upper surface of the annular disc body 11 around the axis of the annular disc body 11, and a transverse notch 14 is formed between every two adjacent transverse plates 12.

The transverse plate 12 may be welded to the annular disc 11; it is also possible to form the transverse plates 12 by milling transverse slots 14 in the annular disc 11, in which case the transverse plates 12 are of integral construction with the annular disc 11.

Second through grooves 13 are formed in the transverse notches 14 which are arranged at intervals, the upper knife hook assembly 3 is arranged in the transverse notch 14 with the second through grooves 13, the upper knitting needle 2 is arranged in the transverse notch 14 without the second through grooves 13, and the upper knitting needle 2 is provided with a latch.

The upper hook assembly 3 can be combined in two ways, one is a combination of an upper knife 31 and an upper hook 32, and the other is a combination of two upper hooks 32 and an upper knife 31. Wherein, an upper weaving knife 31 and an upper weaving hook 32 are combined, and the upper weaving knife 31 and the upper weaving hook 32 are only required to be placed in the same transverse notch 14; the combination of the two upper cloth hooks 32 and the upper cloth knife 31 is that the upper cloth knife 31 is arranged between the two upper cloth hooks 32, the two upper cloth hooks 32 are welded together at the tail part, the two upper cloth hooks 32 are overlapped and arranged together, and the upper cloth knife 31 is arranged between the two upper cloth hooks 32 and can reciprocate along the radial direction of the annular disc body 11. The combination of two upper hooks 32 and one upper knife 31 is preferred in this embodiment.

The circular knitting machine further comprises a triangular seat, corresponding paths are arranged on the triangular seat, and the upper knitting needle 2, the upper knitting hook 32 and the upper knitting knife 31 move along the set paths in the corresponding triangular seat.

The second through groove 13 extends from the outer edge of the annular disc body 11 to the center of the annular disc body 11 along the radial direction of the annular disc body 11, and the second through groove 13 penetrates through the thickness of the annular disc body 11, so the depth of the second through groove 13 is inevitably greater than zero, because the depth of the second through groove 13 is related to the length of cut loop velvet 84 (see fig. 11), the depth of the second through groove 13 can be set according to practical situations, the depth of the second through groove 13 can be deepest and close to the radial width of the annular disc body 11, and the radial width refers to the radial linear distance between the inner ring and the outer ring of the annular disc body 11, and in the embodiment, the depth of the second through groove 13 is preferably smaller than or equal to the length of the transverse plate 12.

The number of the second through grooves 13 provided in the upper tray 1 is related to the density of the naps, and at least one second through groove 13 may be provided in one upper tray 1, but this does not provide an effective nap coverage. In addition, m vertical plate members 52 may be disposed between two adjacent second through grooves 13, where 1 < m < 40, and m is an integer.

The lower tube 5 comprises a tube body 51 and a plurality of vertical plates 52, the tube body 51 is of a cylindrical structure, the plurality of vertical plates 52 are uniformly arranged on the outer side wall of the tube body 51 around the axis of the tube body 51, and a vertical notch 53 is formed between every two adjacent vertical plates 52.

A lower knitting needle 6 is arranged in the vertical notch 53, and the lower knitting needle 6 has the same structure as the upper knitting needle 2.

The vertical plate 52 may be welded to the cylinder 51; the vertical plate 52 may also be formed by milling a vertical slot 53 in the barrel 51, in which case the vertical plate 52 is of unitary construction with the barrel 51.

The cut loop velvet 84 (see fig. 11) is driven into the barrel body 51 through the second through groove 13 by the hair blowing device, the hair blowing device comprises an air nozzle 4 and an air source for supplying air to the air nozzle 4, and the mouth of the air nozzle 4 is arranged towards the direction of the second through groove 13.

The air source can be a negative pressure air source or a positive pressure air source, if the air source selects the negative pressure air source, the air nozzle 4 is arranged below the upper disc 1, and the air nozzle 4 aligns to the second through groove 13 to suck the cut loop velvet 84 into the cylinder body 51; if the air source is a positive pressure air source, the air nozzle 4 is disposed above, and the air nozzle 4 is aligned with the second through groove 13 to blow the cut loop pile 84 into the cylinder 51.

Referring to fig. 5 to 11, the process of knitting the first fabric layer 81: the lower needles 6 in the lower tube 5 knit the first fabric layer 81 with the aid of corresponding cams, and the pattern of the first fabric layer 81 can be suitably adjusted according to the implementation requirements.

Procedure for knitting second fabric layer 82 and pile layer 86 (pile layer 86 is composed of a plurality of cut loops 84): the upper knife hook component 3 firstly feeds the wool yarn 71, and then the upper knitting needle 2 simultaneously feeds the wool yarn 71 and the bottom yarn 72;

after the upper cutter hook assembly 3 feeds the wool yarn 71, the upper cutter hook assembly 3 moves towards the center of the circular disc 11 along the radial direction of the circular disc 11, and the upper weaving hook 32 stretches the wool yarn 71 to the radial straight line distance which is farthest from the outer edge of the circular disc 11, namely the length of the cut loop pile 84;

the upper knitting needle 2 bites the pile yarn 71 and the ground yarn 72 to knit the second fabric layer 82, i.e., the ground yarn structure, the pile yarn 71 pulled by the upper hook 32 forms a loop 85 connected to the second fabric layer 82, and after the loop 85 is formed, the upper cutter 31 is driven to cut the loop 85 to form a loop-cut pile 84 connected to the ground yarn structure, and the loop-cut pile 84 is blown up by the air cock 4 so that the loop-cut pile 84 enters the cylinder 51 through the second through groove 13.

An interweaving step: upper knitting needle 2 in upper disc 1 and lower knitting needle 6 in the lower disc are engaged to connect first fabric layer 81 and second fabric layer 82 together by connecting yarn 73.

The knitting needles, the knife hook components, the cam seats and the mechanism for controlling the cam seats mentioned above in the present application are conventional structures on the circular knitting machine, and those skilled in the art can understand the usage of the knitting needles, and are not described herein in detail. For the sake of illustration, in fig. 1 and 2, only two lower needles 6 and one upper knife-hook assembly 3 and one upper needle 2 are provided, but in actual use, the corresponding number is provided according to the requirements of the specific knitting process.

Example 2:

fig. 12 is a flow chart of the present invention, fig. 13 is a schematic view of components of the syringe, and fig. 14 is a schematic view of a movement displacement trajectory of the present invention. With reference to fig. 12, 13 and 14, a knitting process for a circular knitting machine for attaching a single jersey to a cut pile fabric comprises a circular knitting machine and a knitting action. The circular knitting machine comprises a knitting mechanism. The knitting mechanism includes an upper disc assembly and a lower disc assembly.

Fig. 18 is a schematic view of a knitting needle, fig. 19 is a schematic view of a first hook and a second hook, fig. 20 is a schematic view of a blade, and fig. 21 is a schematic view of a cam. Referring to fig. 18 to 21, both the upper and lower disc assemblies include a needle cartridge 100. The cylinder 100 includes an upper body 101 and a lower body 102 integrally formed. The cylinder 100 is provided with a hole for embedding a spring, and the spring is embedded in the hole. The distance between the syringe mouth and the spring is l₅. The needle cylinder 100 is provided with a notch. The depth of the gap is l₈. A notch is formed through the barrel of the needle cartridge 100 for inserting the first hook 300 and the second hook 400. The lower body 102 mounts the tab 103. Multiple groups of knitting elements are mounted in the insert 103. The upper body 101 is welded with a pair of guard teeth 104. Each set of knitting elements comprises a needle 200, a first hook 300 and a second hook 400. The knitting needle 200 comprises a needle 201, a latch 202 and at least one stitch 203. A plurality of first steps 204 are provided between the latch 202 and the pin 203. The movement of the latch 202 is l₁. The distance l from the needle 201 to the first step 204 first down from the needle 201₄mm. The first fabric hook 300 comprises a first hook head 301, a first hook stem 302 and a first hook foot 303. The first hook lever 302 is provided with a plurality of second steps 304. The first hook head 301 is at a distance l from the first hook head 301 to the second step 304 which is the first one below the first hook head 301₆mm, the second hook 400 comprises a second hook head 401, a second hook stem 402 and a second hook foot 403. A plurality of third steps 404 are provided on the second hooking rod 402. The second hook head 401 is at a distance l from the third step 404, which is the first one down from the second hook head 401₇mm and,/₆＝l₇. The first hook bar 302 and the second hook bar 402 are recessed. The pocket is inserted with a weaving knife 500. The weaving knife 500 comprises a knife head 501 and a knife bar 502. In the initial working state, the distance between the first hook leg 303 and the second hook leg 403 is l₂. In the initial working state, the distance between the first hook head 301 or the second hook head 401 and the cutter head 501 is l₃. Movement of the upper plate assemblyThe displacement trajectory includes a first needle segment and a second needle segment. The motion displacement track of the lower disc assembly comprises a first segment 601, a second segment 602, a third segment 603, a fourth segment 604, a fifth segment 605 and a sixth segment 606.

Fig. 15 is a schematic diagram of a movement displacement trajectory of the knitting needle, fig. 16 is a schematic diagram of a movement displacement trajectory of the first and second hooks, and fig. 17 is a schematic diagram of a movement displacement trajectory of the knitting knife. With reference to fig. 15 to 17, the knitting mechanism includes the following operation steps:

the first path is as follows: and (5) starting a half needle and starting a knife. The position of the needles 200 of the lower disc assembly, the position of the first hook 300, the position of the second hook 400 and the position of the knife 500 are all located in the first section 601. The knitting needle 200 of the first needle section of the upper disc assembly and the knitting needle 200 of the lower disc assembly form half needles to be drawn oppositely, and the function of connecting the upper disc coil and the lower disc coil is achieved. Meanwhile, the weaving knife 500 of the lower disc assembly is upwards pushed by Xmm, and the coil on the hook is cut off. X is not less than l₃。

And a second path: and (4) lifting the needle and the hook. The first needle section of the upper disk assembly and the second needle section of the upper disk assembly float. The position of the needle 200, the position of the first hook 300, the position of the second hook 400 and the position of the blade 500 of the lower disc assembly are all located in the second section 602. The knitting needle 200 of the lower disc assembly is raised. The first fabric hook 300 of the bottom wall assembly is hooked.

And a third path: narrowing, hooking and hanging wool yarns. The position of the needles 200 of the lower disc assembly, the position of the first hook 300, the position of the second hook 400 and the position of the knife 500 are all located in the third section 603. When the knitting needle 200 and the first hook 300 of the lower disc component reach the highest point, the vertical distance between the highest point and the needle cylinder opening is Ymm, and Y is less than or equal to l₂. At this time, the knitting needle 200 and the first hook 300 of the lower disc assembly simultaneously pick up the wool yarn. At this time, the second hook 400 and the knife 500 of the lower disc assembly are in an inoperative condition.

And a fourth path: the lower disc finishes the wool yarn hanging, and the needle does not drop off the loop. The first needle section of the upper disk assembly and the second needle section of the upper disk assembly float. The position of the needles 200 of the lower disc assembly, the position of the first hook 300, the position of the second hook 400 and the position of the knife 500 are all located in the fourth section 604. The knitting needle 200 of the lower disc assembly reaches a distance from the opening of the needle cylinderl₁At this point, the needles 200 of the lower disc assembly start to translate. At the same time, the first hook 300 of the bottom wall assembly continues to retract, the first hook 300 sinks and bottoms out.

And a fifth path: the upper plate is hung with the bottom yarn, and the lower plate is hung with the bottom yarn for the first time. And needles of the first needle section of the upper disk assembly and needles of the second needle section of the upper disk assembly are raised, and the needles are retracted after yarns are hung, so that the tasks of hanging the yarns on the disk are completed. The position of the needles 200 of the lower disc assembly, the position of the first hook 300, the position of the second hook 400 and the position of the knife 500 are all located in the fifth section 605. At this time, the knitting needle 200, the first hook 300, the second hook 400, and the cutter 500 of the lower disc assembly are all in the inactive state. When the first hook 300 of the lower disc assembly reaches the lowest point, the knitting needle 200 of the lower disc assembly hangs one ground yarn. And after the bottom yarn is hung for the first time on the lower disc assembly, narrowing and knocking over. At this time, the second hook 400 and the knife 500 of the lower disc assembly are in an inoperative state. The upper disc assembly and the lower disc assembly work independently in the fifth path.

A sixth path: and hanging bottom yarns on the lower disc for the second time. The position of the needles 200, the position of the first hook 300, the position of the second hook 400 and the position of the knife 500 of the lower disc assembly are all located in the sixth section 606. The knitting needle 200 of the lower disc assembly hangs a bottom yarn for the second time and can fix wool yarn. And (5) narrowing the knitting needle 200 of the lower disc assembly after the bottom yarn is hung for the second time to finish the wool binding yarn. At this time, the first needle section of the upper disc assembly, the second needle section of the upper disc assembly, the first hook 300 of the lower disc assembly, the second hook 400 and the weaving knife 500 are all in the inactive state.

A seventh way: first hook 300 is replaced with second hook 400. The second hook 400 cycles according to the first pass → the sixth pass of the first hook 300. The first hook 300 cycles according to the first pass → the sixth pass of the second hook 400. Other parts of the upper disc assembly and the lower disc assembly are circulated according to the first path → the sixth path, and the upper disc assembly and the lower disc assembly work for eleven paths to form a working cycle.

In the fourth or tenth way, the lowest point of the first hook 300 or the second hook 400 sinking is the distance Zmm from the first hook head 301 or the second hook head 401 to the spring of the needle cylinder, and the calculation formula is as follows: z ═ l₄-Y-W-N, wherein W isWhen the one hook 300 or the second hook 400 is not operated, the distance between the first hook 301 or the second hook 401 and the needle cylinder opening is N, which is the spring width of the needle cylinder 100. At the same time, |₈Not more than W, the wool yarn cut by the weaving knife 500 can reach the back position of the needle cylinder 100.

Fig. 21 is a schematic structural view of the lower plate assembly. As shown in fig. 21, the knitting mechanism further includes a cam, an upper cam, and a lower cam. The triangle of the upper triangular seat is provided with two needle paths. The motion of the first needle section and the second needle section of the upper disk assembly is controlled by a triangle on the upper triangular seat, and the knitting needle 200 of the upper disk assembly can be controlled to lift or float at the first needle section or the second needle section. Four triangles are arranged on the lower triangle base. The knitting needles 200, the first hooks 300, the second hooks 400 and the blades 500 of the lower disc assembly move in four triangles correspondingly.

Example 3:

both the upper and lower disk assemblies include a syringe 100. The cylinder 100 includes an upper body 101 and a lower body 102 integrally formed. The cylinder 100 is provided with a hole for embedding a spring, and the spring is embedded in the hole. The distance between the syringe mouth and the spring is l₅. In this example,/₅28 mm. The lower body 102 mounts the tab 103. Multiple groups of knitting elements are mounted in the insert 103. The upper body 101 is welded with a pair of guard teeth 104. Each set of knitting elements comprises a needle 200, a first hook 300 and a second hook 400.

The gauge of the knitting needle 200 is 150mm, the gauge of the first hook 300 is 72mm, the gauge of the second hook 400 is 108.5mm, and the gauge of the cutter 500 is 22.63 m. The knitting needle 200 comprises a needle 201, a latch 202 and at least one stitch 203. A plurality of first steps 204 are provided between the latch 202 and the pin 203. The movement of the latch 202 is l ₁6 mm. The distance l from the needle 201 to the first step 204 first down from the needle 201₄50 mm. The first fabric hook 300 comprises a first hook head 301, a first hook stem 302 and a first hook foot 303. The first hook lever 302 is provided with a plurality of second steps 304. The first hook head 301 is at a distance l from the first hook head 301 to the second step 304 which is the first one below the first hook head 301₆mm, the second hook 400 comprises a second hook head 401, a second hook stem 402 and a second hook foot 403. A plurality of third steps 404 are provided on the second hooking rod 402. Second hook head 401 to401 a distance l from the first third step 404₇mm and,/₆＝l ₇46 mm. The first hook bar 302 and the second hook bar 402 are recessed. The pocket is inserted with a weaving knife 500. The weaving knife 500 comprises a knife head 501 and a knife bar 502. In the initial working state, the distance between the first hook leg 303 and the second hook leg 403 is l₂31 mm. In the initial working state, the distance between the first hook head 301 or the second hook head 401 and the cutter head 501 is l ₃4 mm. The motion displacement trajectory of the upper disc assembly includes a first needle segment and a second needle segment. The motion displacement track of the lower disc assembly comprises a first segment 601, a second segment 602, a third segment 603, a fourth segment 604, a fifth segment 605 and a sixth segment 606.

The knitting mechanism comprises the following action steps:

the first path is as follows: half-knitting and weaving knife. The position of the needles 200 of the lower disc assembly, the position of the first hook 300, the position of the second hook 400 and the position of the knife 500 are all located in the first section 601. The knitting needle 200 of the first needle section of the upper disc assembly and the knitting needle 200 of the lower disc assembly form half needles to be drawn oppositely, and the function of connecting the upper disc coil and the lower disc coil is achieved. Meanwhile, the weaving knife 500 of the lower disc component is upwards propped Xmm, and X is more than or equal to l₃I.e. X is larger than or equal to 4mm, the coil on the hook is cut off. In this embodiment, X is preferably 4 mm. I.e., the knife 500 of the disk assembly is lifted 4mm upward, cutting the loop from the hook.

And a third path: narrowing, hooking and hanging wool yarns. The position of the needles 200 of the lower disc assembly, the position of the first hook 300, the position of the second hook 400 and the position of the knife 500 are all located in the third section 603. When the knitting needle 200 and the first hook 300 of the lower disc component reach the highest point, the vertical distance between the highest point and the needle cylinder opening is Ymm, and Y is less than or equal to l₂Namely Y is less than or equal to 31 mm. In this embodiment, Y is preferably 16 mm. At this time, the knitting needle 200 and the first hook 300 of the lower disc assembly are the sameThe wool yarn is hung. At this time, the second hook 400 and the knife 500 of the lower disc assembly are in an inoperative condition.

And a fourth path: the lower disc finishes the wool yarn hanging, and the needle does not drop off the loop. The first needle section of the upper disk assembly and the second needle section of the upper disk assembly float. The position of the needles 200 of the lower disc assembly, the position of the first hook 300, the position of the second hook 400 and the position of the knife 500 are all located in the fourth section 604. When the knitting needles 200 of the lower disc assembly reach a distance of 4mm from the cylinder mouth, the knitting needles 200 of the lower disc assembly start to translate. At the same time, the first hook 300 of the bottom wall assembly continues to retract, the first hook 300 sinks and bottoms out. The lowest point of the first hook 300 sinking is the distance Zmm of the first hook head 301 from the spring of the needle cylinder, and the calculation formula is as follows: z ═ l₄Y-W-N, where W is the distance between the first hook 301 or the second hook 401 and the mouth of the needle cylinder when the first hook 300 or the second hook 400 is not operating, and N is the width of the spring of the needle cylinder 100. In this example, W is 20mm, N is 4mm, and Z is 50-16-20-4 is 10 mm.

And a fifth path: the upper plate is hung with the bottom yarn, and the lower plate is hung with the bottom yarn for the first time. And needles of the first needle section of the upper disk assembly and needles of the second needle section of the upper disk assembly are raised, and the needles are retracted after yarns are hung, so that the tasks of hanging the yarns on the disk are completed. The position of the needles 200 of the lower disc assembly, the position of the first hook 300, the position of the second hook 400 and the position of the knife 500 are all located in the fifth section 605. At this time, the knitting needle 200, the first hook 300, the second hook 400, and the cutter 500 of the lower disc assembly are all in the inactive state. When the first hook 300 of the lower disc assembly reaches the lowest point, the knitting needle 200 of the lower disc assembly hangs one ground yarn. And after the bottom yarn is hung on the lower disc assembly for the first time, narrowing and knocking over. At this time, the second hook 400 and the knife 500 of the lower disc assembly are in an inoperative state.

A sixth path: and hanging bottom yarns on the lower disc for the second time. The knitting needle 200 of the lower disc assembly hangs a bottom yarn for the second time and can fix wool yarn. And (5) narrowing the knitting needle 200 of the lower disc assembly after the bottom yarn is hung for the second time to finish the wool binding yarn. At this time, the first needle section of the upper disc assembly, the second needle section of the upper disc assembly, the first hook 300 of the lower disc assembly, the second hook 400 and the weaving knife 500 are all in the inactive state.

Specifically, the position of the knitting needle 200, the position of the first hook 300, the position of the second hook 400 and the position of the knitting blade 500 of the lower disc assembly are all located at the first section 601. The knitting needle 200 of the first needle section of the upper disc assembly and the knitting needle 200 of the lower disc assembly form half needles to be drawn oppositely, and the function of connecting the upper disc coil and the lower disc coil is achieved. Meanwhile, the weaving knife 500 of the lower disc component is upwards propped up by Xmm, X is larger than or equal to 5mm, and the coil on the hook is cut off. In this embodiment, X is preferably 4 mm. I.e., the knife 500 of the disk assembly is lifted 4mm upward, cutting the loop from the hook.

An eighth way: and (4) lifting the needle and the hook. The first needle section of the upper disk assembly and the second needle section of the upper disk assembly float. The position of the needle 200, the position of the first hook 300, the position of the second hook 400 and the position of the blade 500 of the lower disc assembly are all located in the second section 602. The knitting needle 200 of the lower disc assembly is raised. The second hook 400 of the bottom wall assembly is hooked.

The ninth way: narrowing, hooking and hanging wool yarns. The position of the needles 200 of the lower disc assembly, the position of the first hook 300, the position of the second hook 400 and the position of the knife 500 are all located in the third section 603. When the knitting needle 200 and the first hook 300 of the lower disc component reach the highest point, the vertical distance between the highest point and the needle cylinder opening is Ymm, and Y is less than or equal to l₂Namely Y is less than or equal to 33 mm. In this embodiment, Y is preferably 13.5 mm. At this time, the knitting needle 200 and the second hook 400 of the lower disc assembly simultaneously pick up the wool yarn. At this time, the first hook 300 and the knife 500 of the lower disc assembly are both in an inoperative condition.

In the tenth pass, the position of the knitting needle 200, the position of the first hook 300, the position of the second hook 400 and the position of the knife 500 of the lower disc assembly are all located in the fourth section 604. The lowest point of the sinking of the second hook 400 is the distance Zmm from the second hook head 401 to the spring of the needle cylinder, and the calculation formula is as follows: z ═ l₄-Y-W-N, wherein W isWhen the one hook 300 or the second hook 400 is not operated, the distance between the first hook 301 or the second hook 401 and the needle cylinder opening is N, which is the spring width of the needle cylinder 100. In this example, W is 20mm, N is 4mm, and Z is 50-16-20-4 is 10 mm.

An eleventh way: the upper plate is hung with the bottom yarn, and the lower plate is hung with the bottom yarn for the first time. And needles of the first needle section of the upper disk assembly and needles of the second needle section of the upper disk assembly are raised, and the needles are retracted after yarns are hung, so that the tasks of hanging the yarns on the disk are completed. The position of the needles 200 of the lower disc assembly, the position of the first hook 300, the position of the second hook 400 and the position of the knife 500 are all located in the fifth section 605. At this time, the knitting needle 200, the first hook 300, the second hook 400, and the cutter 500 of the lower disc assembly are all in the inactive state. When the second hook 400 of the lower disc assembly reaches the lowest point, the knitting needle 200 of the lower disc assembly hangs one ground yarn. And after the bottom yarn is hung for the first time on the lower disc assembly, narrowing and knocking over. At this time, the first hook 300 and the knife 500 of the lower disc assembly are in an inoperative state.

The twelfth way: and hanging bottom yarns on the lower disc for the second time. The knitting needle 200 of the lower disc assembly hangs a bottom yarn for the second time and can fix wool yarn. And (5) narrowing the knitting needle 200 of the lower disc assembly after the bottom yarn is hung for the second time to finish the wool binding yarn. At this time, the first needle section of the upper disc assembly, the second needle section of the upper disc assembly, the first hook 300 of the lower disc assembly, the second hook 400 and the weaving knife 500 are all in the inactive state.

Example 4:

both the upper and lower disk assemblies include a syringe 100. The cylinder 100 includes an upper body 101 and a lower body 102 integrally formed. The cylinder 100 is provided with a hole for embedding a spring, and the spring is embedded in the hole. The distance between the syringe mouth and the spring is l₅. In this example,/₅30 mm. The lower body 102 mounts the tab 103. Multiple groups of knitting elements are mounted in the insert 103. The upper body 101 is welded with a pair of guard teeth 104. Each set of knitting elements comprises a needle 200, a first hook 300 and a second hook 400.

The gauge of the knitting needle 200 is 152mm, the gauge of the first hook 300 is 74mm, the gauge of the second hook 400 is 110.5mm, and the gauge of the cutter 500 is 22.63 mm. The knitting needle 200 comprises a needle 201, a latch 202 and at least one stitch 203. Latch 202 and pin 203A plurality of first steps 204 are provided therebetween. The movement of the latch 202 is l ₁8 mm. The distance l from the needle 201 to the first step 204 first down from the needle 201₄52 mm. The first fabric hook 300 comprises a first hook head 301, a first hook stem 302 and a first hook foot 303. The first hook lever 302 is provided with a plurality of second steps 304. The first hook head 301 is at a distance l from the first hook head 301 to the second step 304 which is the first one below the first hook head 301₆mm, the second hook 400 comprises a second hook head 401, a second hook stem 402 and a second hook foot 403. A plurality of third steps 404 are provided on the second hooking rod 402. The second hook head 401 is at a distance l from the third step 404, which is the first one down from the second hook head 401₇mm and,/₆＝l ₇48 mm. The first hook bar 302 and the second hook bar 402 are recessed. The pocket is inserted with a weaving knife 500. The weaving knife 500 comprises a knife head 501 and a knife bar 502. In the initial working state, the distance between the first hook leg 303 and the second hook leg 403 is l₂33 mm. In the initial working state, the distance between the first hook head 301 or the second hook head 401 and the cutter head 501 is l ₃5 mm. The motion displacement trajectory of the upper disc assembly includes a first needle segment and a second needle segment. The motion displacement track of the lower disc assembly comprises a first segment 601, a second segment 602, a third segment 603, a fourth segment 604, a fifth segment 605 and a sixth segment 606.

The knitting mechanism comprises the following action steps:

the first path is as follows: half-knitting and weaving knife. The position of the needles 200 of the lower disc assembly, the position of the first hook 300, the position of the second hook 400 and the position of the knife 500 are all located in the first section 601. The knitting needle 200 of the first needle section of the upper disc assembly and the knitting needle 200 of the lower disc assembly form half needles to be drawn oppositely, and the function of connecting the upper disc coil and the lower disc coil is achieved. Meanwhile, the weaving knife 500 of the lower disc component is upwards propped Xmm, and X is more than or equal to l₃I.e. X is larger than or equal to 5mm, the coil on the hook is cut off. In this embodiment, X is preferably 5 mm. I.e., the knife 500 of the disk assembly is lifted 5mm upward, cutting the loops on the hook.

And a third path: narrowing, hooking and hanging wool yarns. The position of the needles 200 of the lower disc assembly, the position of the first hook 300, the position of the second hook 400 and the position of the knife 500 are all located in the third section 603. When the knitting needle 200 and the first hook 300 of the lower disc component reach the highest point, the vertical distance between the highest point and the needle cylinder opening is Ymm, and Y is less than or equal to l₂Namely Y is less than or equal to 33 mm. In this embodiment, Y is preferably 18 mm. At this time, the knitting needle 200 and the first hook 300 of the lower disc assembly simultaneously pick up the wool yarn. At this time, the second hook 400 and the knife 500 of the lower disc assembly are in an inoperative condition.

And a fourth path: the lower disc finishes the wool yarn hanging, and the needle does not drop off the loop. The first needle section of the upper disk assembly and the second needle section of the upper disk assembly float. The position of the needles 200 of the lower disc assembly, the position of the first hook 300, the position of the second hook 400 and the position of the knife 500 are all located in the fourth section 604. When the knitting needles 200 of the lower disc assembly reach a distance of 4mm from the cylinder mouth, the knitting needles 200 of the lower disc assembly start to translate. At the same time, the first hook 300 of the bottom wall assembly continues to retract, the first hook 300 sinks and bottoms out. The lowest point of the first hook 300 sinking is the distance Zmm of the first hook head 301 from the spring of the needle cylinder, and the calculation formula is as follows: z ═ l₄Y-W-N, where W is the distance between the first hook 301 or the second hook 401 and the mouth of the needle cylinder when the first hook 300 or the second hook 400 is not operating, and N is the width of the spring of the needle cylinder 100. In this example, W is 20mm, N is 4mm, and Z is 52-18-20-4 is 10 mm.

Specifically, the position of the knitting needle 200, the position of the first hook 300, the position of the second hook 400 and the position of the knitting blade 500 of the lower disc assembly are all located at the first section 601. The knitting needle 200 of the first needle section of the upper disc assembly and the knitting needle 200 of the lower disc assembly form half needles to be drawn oppositely, and the function of connecting the upper disc coil and the lower disc coil is achieved. Meanwhile, the weaving knife 500 of the lower disc component is upwards propped up by Xmm, X is larger than or equal to 5mm, and the coil on the hook is cut off. In this embodiment, X is preferably 5 mm. I.e., the knife 500 of the disk assembly is lifted 5mm upward, cutting the loops on the hook.

The ninth way: narrowing, hooking and hanging wool yarns. The position of the needles 200 of the lower disc assembly, the position of the first hook 300, the position of the second hook 400 and the position of the knife 500 are all located in the third section 603. When the knitting needle 200 and the first hook 300 of the lower disc assembly reach the highest point, the vertical distance between the highest point and the needle cylinder opening isYmm，Y≤l₂Namely Y is less than or equal to 33 mm. In this embodiment, Y is preferably 18 mm. At this time, the knitting needle 200 and the second hook 400 of the lower disc assembly simultaneously pick up the wool yarn. At this time, the first hook 300 and the knife 500 of the lower disc assembly are both in an inoperative condition.

In the tenth pass, the position of the knitting needle 200, the position of the first hook 300, the position of the second hook 400 and the position of the knife 500 of the lower disc assembly are all located in the fourth section 604. The lowest point of the sinking of the second hook 400 is the distance Zmm from the second hook head 401 to the spring of the needle cylinder, and the calculation formula is as follows: z ═ l₄Y-W-N, where W is the distance between the first hook 301 or the second hook 401 and the mouth of the needle cylinder when the first hook 300 or the second hook 400 is not operating, and N is the width of the spring of the needle cylinder 100. In this example, W is 20mm, N is 4mm, and Z is 52-18-20-4 is 10 mm.

Example 5:

both the upper and lower disk assemblies include a syringe 100. The cylinder 100 includes an upper body 101 and a lower body 102 integrally formed. The syringe 100 is provided with an embedded springThe spring is embedded in the hole. The distance between the syringe mouth and the spring is l₅. In this example,/₅32 mm. The lower body 102 mounts the tab 103. Multiple groups of knitting elements are mounted in the insert 103. The upper body 101 is welded with a pair of guard teeth 104. Each set of knitting elements comprises a needle 200, a first hook 300 and a second hook 400.

The gauge of the knitting needle 200 is 154mm, the gauge of the first hook 300 is 76mm, the gauge of the second hook 400 is 112.5mm, and the gauge of the cutter 500 is 22.63 mm. The knitting needle 200 comprises a needle 201, a latch 202 and at least one stitch 203. A plurality of first steps 204 are provided between the latch 202 and the pin 203. The movement of the latch 202 is l ₁8 mm. The distance l from the needle 201 to the first step 204 first down from the needle 201₄54 mm. The first fabric hook 300 comprises a first hook head 301, a first hook stem 302 and a first hook foot 303. The first hook lever 302 is provided with a plurality of second steps 304. The first hook head 301 is at a distance l from the first hook head 301 to the second step 304 which is the first one below the first hook head 301₆mm, the second hook 400 comprises a second hook head 401, a second hook stem 402 and a second hook foot 403. A plurality of third steps 404 are provided on the second hooking rod 402. The second hook head 401 is at a distance l from the third step 404, which is the first one down from the second hook head 401₇mm and,/₆＝l ₇50 mm. The first hook bar 302 and the second hook bar 402 are recessed. The pocket is inserted with a weaving knife 500. The weaving knife 500 comprises a knife head 501 and a knife bar 502. In the initial working state, the distance between the first hook leg 303 and the second hook leg 403 is l₂35 mm. In the initial working state, the distance between the first hook head 301 or the second hook head 401 and the cutter head 501 is l ₃4 mm. The motion displacement trajectory of the upper disc assembly includes a first needle segment and a second needle segment. The motion displacement track of the lower disc assembly comprises a first segment 601, a second segment 602, a third segment 603, a fourth segment 604, a fifth segment 605 and a sixth segment 606.

The knitting mechanism comprises the following action steps:

the first path is as follows: half-knitting and weaving knife. The position of the needles 200 of the lower disc assembly, the position of the first hook 300, the position of the second hook 400 and the position of the knife 500 are all located in the first section 601. Of the first needle section of the upper disc assemblyThe knitting needle 200 serves as a half needle to be drawn opposite to the knitting needle 200 of the lower disc assembly, and serves to connect the upper disc stitch and the lower disc stitch. Meanwhile, the weaving knife 500 of the lower disc component is upwards propped Xmm, and X is more than or equal to l₃I.e. X is larger than or equal to 4mm, the coil on the hook is cut off. In this embodiment, X is preferably 4 mm. I.e., the knife 500 of the disk assembly is lifted 4mm upward, cutting the loop from the hook.

And a third path: narrowing, hooking and hanging wool yarns. The position of the needles 200 of the lower disc assembly, the position of the first hook 300, the position of the second hook 400 and the position of the knife 500 are all located in the third section 603. When the knitting needle 200 and the first hook 300 of the lower disc component reach the highest point, the vertical distance between the highest point and the needle cylinder opening is Ymm, and Y is less than or equal to l₂Namely Y is less than or equal to 35 mm. In this embodiment, Y is preferably 18 mm. At this time, the knitting needle 200 and the first hook 300 of the lower disc assembly simultaneously pick up the wool yarn. At this time, the second hook 400 and the knife 500 of the lower disc assembly are in an inoperative condition.

And a fourth path: the lower disc finishes the wool yarn hanging, and the needle does not drop off the loop. The first needle section of the upper disk assembly and the second needle section of the upper disk assembly float. The position of the needles 200 of the lower disc assembly, the position of the first hook 300, the position of the second hook 400 and the position of the knife 500 are all located in the fourth section 604. When the knitting needles 200 of the lower disc assembly reach a distance of 4mm from the cylinder mouth, the knitting needles 200 of the lower disc assembly start to translate. At the same time, the first hook 300 of the bottom wall assembly continues to retract, the first hook 300 sinks and bottoms out. The lowest point of the first hook 300 sinking is the distance Zmm of the first hook head 301 from the spring of the needle cylinder, and the calculation formula is as follows: z ═ l₄Y-W-N, where W is the distance between the first hook 301 or the second hook 401 and the mouth of the needle cylinder when the first hook 300 or the second hook 400 is not operating, and N is the width of the spring of the needle cylinder 100. In this example, W is 22mm, N is 4mm, and Z is 54-18-22-4 is 10 mm.

Specifically, the position of the knitting needle 200, the position of the first hook 300, the position of the second hook 400 and the position of the knitting blade 500 of the lower disc assembly are all located at the first section 601. The knitting needle 200 of the first needle section of the upper disc assembly and the knitting needle 200 of the lower disc assembly form half needles to be drawn oppositely, and the function of connecting the upper disc coil and the lower disc coil is achieved. Meanwhile, the weaving knife 500 of the lower disc component is upwards propped up by Xmm, X is larger than or equal to 4mm, and the coil on the hook is cut off. In this embodiment, X is preferably 4 mm. I.e., the knife 500 of the disk assembly is lifted 4mm upward, cutting the loop from the hook.

The ninth way: narrowing, hooking and hanging wool yarns. The position of the needles 200 of the lower disc assembly, the position of the first hook 300, the position of the second hook 400 and the position of the knife 500 are all located in the third section 603. When the knitting needle 200 and the first hook 300 of the lower disc component reach the highest point, the vertical distance between the highest point and the needle cylinder opening is Ymm, and Y is less than or equal to l₂Namely Y is less than or equal to 35 mm. In this embodiment, Y is preferably 18 mm. At this time, the knitting needle 200 and the second hook 400 of the lower disc assembly simultaneously pick up the wool yarn. At this time, the first hook 300 and the knife 500 of the lower disc assembly are both in an inoperative condition.

In the tenth pass, the position of the knitting needle 200, the position of the first hook 300, the position of the second hook 400 and the position of the knife 500 of the lower disc assembly are all located in the fourth section 604. The lowest point of the sinking of the second hook 400 is the distance Zmm from the second hook head 401 to the spring of the needle cylinder, and the calculation formula is as follows: z ═ l₄Y-W-N, where W is the distance between the first hook 301 or the second hook 401 and the mouth of the needle cylinder when the first hook 300 or the second hook 400 is not operating, and N is the width of the spring of the needle cylinder 100. In this example, W is 22mm, N is 4mm, and Z is 54-18-22-4 is 10 mm.

FIG. 23 is a summary table of parameters of examples 3 to 5₁、l₂、l₃、l₄、l₅、l₆、l₇The numerical values of X, Y and W are all variables, N is quantitative, and Z is equal to l₄-Y-W-N ═ 10mm may be used.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a circle latitude machine cylinder hanging wall (1), its characterized in that: the method comprises the following steps:

an annular disc (11) having a circular ring-shaped configuration;

the plate-type heat exchanger comprises a plurality of transverse plates (12), wherein the length direction of the transverse plates (12) is arranged along the radial direction of an annular plate body (11), the plurality of transverse plates (12) are arranged on the upper surface of the annular plate body (11) around the axis of the annular plate body (11), and a transverse notch (14) is formed between every two adjacent transverse plates (12);

at least one of the transverse notches (14) is internally provided with a second through groove (13) which penetrates through the thickness of the annular disc body (11), the second through groove (13) penetrates through the outer edge of the annular disc body (11), and the transverse depth of the second through groove (13) is greater than zero and smaller than the radial width of the annular disc body (11).

2. An upper disc (1) of a circular weft machine cylinder according to claim 1, characterized in that: at least two second through grooves (13) are arranged, and at least two transverse plates (12) are arranged between every two adjacent second through grooves (13).

3. An upper disc (1) of a circular weft machine cylinder according to claim 1, characterized in that: the transverse depth of the second through groove (13) is less than or equal to the length of the transverse plate (12).

4. An upper disc (1) of a circular weft machine cylinder according to claim 1, characterized in that: m transverse plate pieces (12) are arranged between every two adjacent second through grooves (13), wherein m is more than 1 and less than 40, and m is an integer.

5. A circular knitting machine cylinder is characterized in that: comprising an upper disc (1) according to claim 1 or 2 or 3 or 4 and a lower cartridge (5) arranged below the upper disc (1).

6. A circular knitting machine cylinder according to claim 5, characterized in that: the lower barrel (5) comprises a barrel body (51) and a plurality of vertical plates (52), the barrel body (51) is of a cylindrical structure, the vertical plates (52) are uniformly arranged on the outer side wall of the barrel body (51) in a surrounding mode around the axis of the barrel body (51), and a vertical notch (53) is formed between every two adjacent vertical plates (52).

7. A circular knitting machine is characterized in that: comprising a cylinder according to claim 5 or 6, and further comprising a wool blowing device,

an upper knitting needle (2) is arranged in a transverse notch (14) without the second through groove (13), and the upper knitting needle (2) can reciprocate along the radial direction of the upper disc (1) in the transverse notch (14);

an upper knife hook assembly (3) is arranged in the transverse notch (14) with the second through groove (13), the upper knife hook assembly (3) comprises at least one upper weaving hook (32) and one upper weaving knife (31), and the upper weaving knife (31) can reciprocate along the radial direction of the upper disc (1);

the hair blowing device drives the cut loop velvet (84) to enter the cylinder body (51) through the second through groove (13).

8. A circular knitting machine according to claim 7, characterized in that: the upper knife hook assembly (3) comprises two superposed upper weaving hooks (32) and an upper weaving knife (31) arranged between the two upper weaving hooks (32), and the upper weaving knife (31) can reciprocate between the two upper weaving hooks (32) along the radial direction of the upper disc (1).

9. A circular knitting machine according to claim 7 or 8, characterized in that: the hair blowing device comprises an air faucet (4) and an air source for supplying air to the air faucet (4), and a nozzle of the air faucet (4) is arranged towards the direction of the second through groove (13).

10. A circular knitting machine according to claim 9, characterized in that: the air source is a negative pressure air source, the air nozzle (4) is arranged in the cylinder body (51), and the air nozzle (4) is aligned to the second through groove (13) to suck the cut loop velvet (84) into the cylinder body (51).

11. A circular knitting machine according to claim 9, characterized in that: the air source is a positive pressure air source, the air nozzle (4) is arranged outside the cylinder body (51), and the air nozzle (4) is aligned to the second through groove (13) to blow the cut loop velvet (84) into the cylinder body (51).