WO2021213047A1

WO2021213047A1 - Lower cylinder, needle cylinder, and circular weft knitting machine

Info

Publication number: WO2021213047A1
Application number: PCT/CN2021/079925
Authority: WO
Inventors: 黄小龙; 徐峰; 张育翔
Original assignee: 江阴市鑫富精密机械有限公司
Priority date: 2020-04-24
Filing date: 2021-03-10
Publication date: 2021-10-28
Also published as: CN111350014A; CN112746373A; CN112746373B; CN112725992A; WO2021212719A1; ZA202211141B; CN112746372A; CN214736449U; CN214992189U; CN112725992B; CN214529484U; WO2021213044A1

Abstract

The present invention relates to the technical field of circular weft knitting machines, and in particular to a lower cylinder of a needle cylinder of a circular weft knitting machine. The lower cylinder comprises: a cylinder body, which is of a cylindrical structure; and a plurality of vertical plate members, which are evenly arranged on an outer side wall of the cylinder body around the axis of the cylinder body, with a vertical slot being provided between every two adjacent vertical plate members, wherein at least one vertical slot is internally provided with a first through groove penetrating the cylinder body in the thickness direction; the first through groove penetrates the top edge of the cylinder body; and the longitudinal depth of the first through groove is larger than zero and smaller than the longitudinal height of the cylinder body. The present invention has the effect of conveniently and quickly weaving double-faced cloth having cut loop piles. The invention relates to the technical field of circular weft knitting machines, and in particular to a needle cylinder of a circular weft knitting machine. The invention relates to the technical field of circular weft knitting machines, and in particular to a circular weft knitting machine.

Description

Lower cylinder, needle cylinder and circular weft machine

Technical field

The present invention relates to the technical field of circular weft knitting machines, in particular to a seed cylinder, needle cylinder and circular knitting machine.

Background technique

Nowadays, the fabrics woven with circular knitting machines with cut loop piles have only one side. As a result, if practitioners want to increase the richness, warmth, or organization diversity of the fabric, they need to adhere to another single-sided fabric. Only then can the demand be fulfilled.

Summary of the invention

In view of the shortcomings of the prior art, the first object of the present invention is to provide a lower cylinder of the circular knitting machine needle cylinder, which has the effect of convenient and rapid weaving of double-sided cloth with cut loop pile.

The above-mentioned object of the present invention is achieved through the following technical solutions:

A lower cylinder of a circular knitting machine needle cylinder, comprising:

The barrel, which has a cylindrical structure;

A plurality of vertical plates, the plurality of vertical plates are evenly arranged on the side wall of the cylinder body around the axis of the cylinder, and a vertical notch is formed between two adjacent vertical plates;

At least one of the vertical slots is provided with a first through groove that penetrates the thickness of the cylinder, the first through groove penetrates the top edge of the cylinder, and the longitudinal depth of the first through groove is greater than zero and less than the cylinder. Vertical height.

In a preferred example, the present invention can be further configured as: at least two first through grooves are provided, and at least two vertical plates are provided between two adjacent first through grooves.

In a preferred example, the present invention can be further configured such that the longitudinal depth of the first through groove is greater than zero and less than or equal to the longitudinal length of the vertical plate.

In a preferred example, the present invention can be further configured as: 2n vertical plates are arranged between two adjacent first through grooves, where 0<n<10, and n is an integer.

The second object of the present invention is to provide a circular knitting machine needle cylinder, which has the effect of convenient and rapid weaving of double-sided cloth with cut loop pile.

A needle cylinder of a circular weft knitting machine includes an upper plate and a lower cylinder as described above, which is arranged under the upper plate.

In a preferred example, the present invention can be further configured as: the upper disk includes an annular disk body and a transverse plate member, the annular disk body has a circular ring structure, and the longitudinal direction of the transverse plate member is along the radial direction of the annular disk body. A plurality of said transverse plates are arranged on the upper surface of the annular plate body around the axis of the annular plate body, and a transverse notch is formed between two adjacent transverse plates.

The second object of the present invention is to provide a circular weft machine, which has the effect of conveniently and quickly weaving double-sided cloth with cut loop pile.

A circular knitting machine, comprising the needle cylinder of the circular knitting machine as described above, and further comprising a hair blowing device,

A lower knitting needle is provided in the vertical slot without the first through groove, and the lower knitting needle moves up and down in the vertical slot;

A lower knife hook assembly is provided in the vertical slot with the first through groove. The lower knife hook assembly includes at least one lower knitting hook and a lower knitting knife. Both the lower knitting hook and the lower knitting knife can be installed in Move up and down in the vertical slot;

An upper knitting needle arranged in the radial direction of the upper disk is provided in the transverse slot, and the upper knitting needle can reciprocate in the radial direction of the upper disk;

The blowing device drives the cut loop pile into the cylinder body through the first through groove.

In a preferred example, the present invention can be further configured as: the lower knife hook assembly includes two overlapping lower knitting hooks and a lower knitting knife arranged between the two lower knitting hooks, the lower knitting knife can be Move up and down between the two lower knitting hooks, and the lower knife hook assembly can move up and down in the vertical slot.

In a preferred example, the present invention may be further configured as: the hair blowing device includes an air nozzle and an air source for supplying air to the air nozzle, and the air nozzle opening is arranged in a direction toward the first through groove.

In a preferred example, the present invention can be further configured as follows: the air source is a negative pressure air source, the air nozzle is arranged in the barrel, and the air nozzle is aligned with the first through groove to suck the cut loop pile into the barrel.

In a preferred example, the present invention can be further configured as: the air source is a positive pressure air source, the air nozzle is arranged outside the barrel, and the air nozzle is aligned with the first through groove to blow the cut loop pile into the barrel. .

In summary, the present invention includes at least one of the following beneficial technical effects:

The circular weft machine of the present application can quickly and conveniently weave a double-sided cloth with cut loop pile on one side, avoiding the use of glue to bond in the past

The method not only reduces the glue bonding process, in addition, since glue bonding is not used, the double-sided fabric is also

More hygienic.

Description of the drawings

Figure 1 is a schematic diagram of the structure of the syringe in Example 1;

Figure 2 is a partial schematic diagram of Figure 1 in Embodiment 1;

Figure 3 is a schematic view of the structure of the lower knife hook assembly in embodiment 1;

4 is a schematic diagram of the structure of the upper knitting needle or the lower knitting needle in embodiment 1;

Figure 5 is a schematic diagram of the action of the lower knitting needles eating the bottom yarn and the wool yarn and the lower knife hook assembly eating the wool yarn in the first embodiment;

Figure 6 is a schematic diagram of the action of stretching the wool yarn by the lower knife hook assembly in the first embodiment;

7 and 8 are schematic diagrams of the action of knitting the second cloth layer by the lower knitting needles in Embodiment 1;

Figure 9 is a schematic diagram of the action of the lower knives cutting the yarn loop in embodiment 1;

10 is a schematic diagram of the structure of the double-sided fabric with cut loop pile in embodiment 1;

11 is a schematic diagram of the steps of weaving a double-sided fabric with cut loop pile in Example 1;

Figure 12 is a flowchart of the present invention;

Figure 13 is a schematic diagram of the components of the syringe;

Figure 14 is a schematic diagram of the movement displacement track of the present invention;

Figure 15 is a schematic diagram of the movement and displacement trajectory of the knitting needle;

Figure 16 is a schematic diagram of the movement and displacement trajectories of the first knitting hook and the second knitting hook;

Figure 17 is a schematic diagram of the movement and displacement trajectory of the knives;

Figure 18 is a schematic diagram of the structure of the knitting needle;

Figure 19 is a schematic diagram of the structure of the first knitting hook and the second knitting hook;

Figure 20 is a schematic diagram of the structure of the knives;

Figure 21 is a schematic diagram of the structure of the triangle seat;

Figure 22 is a schematic diagram of the structure of the bottom plate assembly;

Fig. 23 is a summary table of various parameters of Example 3 to Example 5.

In the figure, 1. upper plate; 11, annular plate body; 12, transverse plate; 13, transverse notch; 2. lower cylinder; 21, cylinder body; 22, vertical plate; 23, vertical notch; 24. The first through groove; 3. Air nozzle; 4. Upper knitting needle; 5. Lower knitting needle; 6. Lower knife hook assembly; 61. Lower knitting knife; 62. Lower knitting hook; 71. Wool yarn; 72; Bottom Yarn; 73, connecting yarn; 81, first cloth layer; 82, second cloth layer; 83, connecting layer; 84, cut loop pile; 85, yarn loop; 86, pile layer; 100, needle cylinder; 101, upper Body; 102, lower body; 103, insert; 104, mouthguard; 200, knitting needle; 201, needle; 202, needle tongue; 203, stitch; 300, first knitting hook; 301, first hook head; 302, First hook rod; 303, first hook foot; 400, second knitting hook; 401, second hook head; 402, second hook rod; 403, second hook foot; 500, knitting knife; 501, knife head; 502. Tool bar; 601, the first section; 602, the second section; 603, the third section; 604, the fourth section; 605, the fifth section; 606, the sixth section.

Detailed ways

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

Examples:

1-11, it is a circular weft knitting machine disclosed in the present invention, which includes a lower barrel 2, an upper plate 1 arranged above the lower barrel 2, and a hair blowing device.

The upper disc 1 includes an annular disc body 11 and a transverse plate 12. The annular disc body 11 has a circular ring structure. The longitudinal direction of the transverse plate 12 is arranged along the radial direction of the annular disc body 11, and a plurality of transverse plates 12 surround the annular disc body. The axis 11 is arranged on the upper surface of the annular disc body 11, and a transverse notch 13 is formed between two adjacent transverse plates 12.

The transverse plate 12 can be welded to the upper plate 1, and a transverse notch 13 is formed between the two transverse plates 12; it can also be formed by milling a transverse notch 13 on the upper plate 1 to form a transverse plate. 12.

An upper knitting needle 4 arranged in the radial direction of the upper disk 1 is provided in the transverse slot 13, the upper knitting needle 4 has a needle tongue, and the upper knitting needle 4 can reciprocate along the radial direction of the upper disk 1.

The upper knitting needle 4 is driven by the cam seat above the needle cylinder to knit the first cloth layer 81.

The lower cylinder 2 includes a cylinder body 21 and a plurality of vertical plates 22. The cylinder body 21 has a cylindrical structure. A vertical slot 23 is formed between the vertical plates 22.

The vertical plate 22 can be welded to the cylinder 21; it can also be formed by milling a vertical slot 23 in the cylinder 21, in this case, the vertical plate 22 It is an integral structure with the barrel 21.

The first through grooves 24 are provided in the spaced vertical slots 23, and the lower knife hook assembly 6 is provided in the vertical notches 23 with the first through grooves 24. The lower knitting needle 5 is arranged in the notch 23.

The lower knife hook assembly 6 adopts two combinations, one is a combination of a lower knitting knife 61 and a lower knitting hook 62, and the other is a combination of two lower knitting hooks 62 and a lower knitting knife 61, of which the lower knitting knife 61 and In the lower knitting hook 62 combination, it is only necessary to place the lower knitting knife 61 and the lower knitting hook 62 in the same vertical slot 23, and the lower knitting knife 61 and the lower knitting hook 62 can go up and down in the vertical slot 23 Movement, if the combination of two lower knitting hooks 62 and a lower knitting knife 61 is used, the lower knitting knife 61 is arranged between the two lower knitting hooks 62, the two lower knitting hooks 62 are welded together at the tail, and the two lower knitting hooks 62 Welded together at the tail, the lower knitting knife 61 is located between the two lower knitting hooks 62 and can move up and down.

The circular knitting machine also includes a cam seat, on which a corresponding path is provided, and the lower knitting needle 5, the lower knitting knife 61 and the lower knitting hook 62 all move along the set path of the corresponding cam seat.

For the convenience of illustration, only one lower knife hook assembly 6, one lower knitting needle 5, and two upper knitting needles 4 are shown in the figure. However, in actual use, the lower knife is set according to the requirements of the specific knitting process. The number of hook assembly 6, lower knitting needles 5 and upper knitting needles 4.

The first through groove 24 starts from the top edge of the lower cylinder 2 and extends downward, and the first through groove 24 penetrates the thickness of the cylinder 21, so the depth of the first through groove 24 must be greater than zero, because the depth of the first through groove 24 and The length of the cut loop pile 84 is related, so the depth of the first through groove 24 can be set according to the actual situation. The deepest depth of the first through groove 24 can be close to the longitudinal height of the cylinder 21. The depth of the through groove 24 is less than or equal to the length of the vertical plate 22.

The number of the first through grooves 24 provided in the lower tube 2 is related to the density of the cut loop pile 84. At least one first through groove 24 can be provided in a lower tube 2, but this cannot form an effective pile coverage. In addition, n vertical plates 22 may also be provided between two adjacent first through grooves 24, where 1<n<40, and n is an integer. In this embodiment, it is preferable that the vertical notches 23 are provided with first through grooves 24 at intervals, that is, one vertical notch 23 without the first through grooves 24 is provided between every two first through grooves 24. In the drawings of the specification, only the preferred embodiment solutions are shown.

The hair blowing device drives the cut loop pile 84 into the barrel 21 through the first through groove 24. The hair blowing device includes an air nozzle 3 and an air source for supplying air to the air nozzle 3.

The air source can be a negative pressure air source or a positive pressure air source. If the air source is a negative pressure air source, the air nozzle 3 is arranged in the cylinder 21, and the air nozzle 3 is aligned with the first through groove 24 to cut loops. 84 is sucked into the barrel 21; if the air source is a positive pressure air source, the air nozzle 3 is arranged outside the barrel 21, and the air nozzle 3 is aligned with the first through groove 24 to blow the cut loop pile 84 into the barrel 21. When the blowing device blows the cut loop pile 84 into the cylinder 21, the lower knife hook assembly 6 moves downward in the vertical slot 23 to expose the first through groove 24 to facilitate blowing the cut loop pile 84 into the cylinder 21.

In the figure, only the figure when the air source is a positive pressure air source is shown. If a negative pressure air source is used, the air nozzle 3 is provided in the cylinder 21.

An example of the weaving process is as follows:

The process of knitting the first cloth layer 81: the upper knitting needle 4 in the upper plate 1 knits the first cloth layer 81 with the aid of the corresponding triangle seat, and the pattern of the first cloth layer 81 can be appropriately adjusted according to the implementation requirements.

The process of knitting the second cloth layer 82 and the pile layer 86 (the pile layer 86 is composed of multiple cut loop piles 84): the lower knife hook assembly 6 first feeds the wool yarn 71, and then the lower knitting needle 5 eats the wool yarn 71 and the bottom at the same time Yarn 72;

After the lower knife hook assembly 6 feeds the wool yarn 71, the lower knife hook assembly 6 moves down in the vertical direction, and the lower knitting hook 62 stretches the wool yarn 71 to the lowest point so that the linear distance from the top edge of the cylinder 21 is the cutting Length of loop pile 84;

After the lower knitting needle 5 eats the wool yarn 71 and the bottom yarn 72, the second cloth layer 82 is knitted out, and the wool yarn 71 pulled by the lower knitting hook 62 forms a yarn loop 85 connected to the second cloth layer 82, forming After the yarn loop 85, the lower weaving knife 61 is driven to cut the yarn loop 85 to form the cut loop pile 84 connected to the bottom yarn structure. The air nozzle 4 blows the cut loop pile 84 so that the cut loop pile 84 passes through the first through groove 24 enters the cylinder 51.

Interlacing step: the upper knitting needles 4 in the upper plate 1 and the lower knitting needles 5 in the lower plate are matched, and the first cloth layer 81 and the second cloth layer 82 are connected by the connecting yarn 73.

The knitting needle, knife hook assembly, cam seat, and mechanism for controlling the cam seat referred to in this application are conventional structures on the circular knitting machine. Those skilled in the art can already understand their use by nouns. It should be noted that the knife hook assembly in this sentence is the aforementioned lower knife hook assembly 6, and the knitting needles in this sentence are the collective term for the aforementioned upper knitting needle 4 and lower knitting needle 5.

Example 2:

Fig. 12 is a flow chart of the present invention, Fig. 13 is a schematic diagram of the components of the syringe, and Fig. 14 is a schematic diagram of the movement displacement trajectory of the present invention. Combining Fig. 12, Fig. 13 and Fig. 14, a knitting process for a circular knitting knitting machine in which a jersey is laminated to a cut fleece includes a circular knitting machine and a knitting action. The circular knitting machine includes a knitting mechanism. The knitting mechanism includes an upper plate assembly and a lower plate assembly.

18 is a schematic diagram of the structure of the knitting needle, FIG. 19 is a schematic diagram of the structure of the first knitting hook and the second hook, FIG. 20 is a schematic diagram of the structure of the knitting knife, and FIG. 21 is a schematic diagram of the structure of the triangle seat. With reference to FIGS. 18-21, both the upper disc assembly and the lower disc assembly include a syringe 100. The syringe 100 includes an upper body 101 and a lower body 102 that are integrally formed. The syringe 100 has a hole for embedding a spring, and the spring is embedded in the hole. The distance between the mouth of the barrel and the spring is l ₅ . The syringe 100 has a gap. The depth of the gap is l ₈ . The notch penetrates the barrel of the needle cylinder 100, and the notch is used for inserting the first knitting hook 300 and the second knitting hook 400. The lower body 102 is provided with an insert 103. Multiple sets of knitting elements are installed in the insert 103. The upper body 101 is welded with a pair of mouthguards 104. Each group of knitting elements includes a knitting needle 200, a first knitting hook 300, and a second knitting hook 400. The knitting needle 200 includes a needle head 201, a needle tongue 202, and at least one stitch 203. A plurality of first steps 204 are provided between the needle tongue 202 and the needle 203. The stroke of the needle tongue 202 is l ₁ . The distance from the needle 201 to the first step 204 down from the needle 201 is ₁₄ mm. The first knitting hook 300 includes a first hook head 301, a first hook rod 302 and a first hook foot 303. A plurality of second steps 304 are provided on the first hook rod 302. The distance from the first hook head 301 to the first second step 304 down from the first hook head 301 is ₁₆ mm, and the second knitting hook 400 includes a second hook head 401, a second hook rod 402, and a second hook Feet 403. A plurality of third steps 404 are provided on the second hook rod 402. The distance from the second hook head 401 to the first third step 404 down from the second hook head 401 is l ₇ mm, and l ₆ =l ₇ . Both the first hook rod 302 and the second hook rod 402 are provided with grooves. Insert the knitting knife 500 into the groove. The weaving knife 500 includes a knife head 501 and a knife shaft 502. In the initial working state, the distance between the first hook 303 and the second hook 403 is l ₂ . 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 ₃ . The movement and displacement track of the upper plate assembly includes a first needle segment and a second needle segment. The movement and displacement trajectory of the lower disk assembly includes a first section 601, a second section 602, a third section 603, a fourth section 604, a fifth section 605, and a sixth section 606.

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

The first way: start a half stitch, start a knife. The position of the knitting needle 200 of the bottom plate assembly, the position of the first knitting hook 300, the position of the second knitting hook 400, and the position of the knitting knife 500 are all located in the first section 601. The knitting needles 200 of the first needle section of the upper plate assembly act as a half-needle and the knitting needles 200 of the lower plate assembly act as a pair of half-needles to connect the upper plate stitch and the lower plate stitch. At the same time, the knitting knife 500 of the bottom plate assembly is raised Xmm to cut the loop on the hook. X≥l ₃ .

The second way: start the needle, start the hook. The first needle section of the upper plate assembly and the second needle section of the upper plate assembly float. The position of the knitting needle 200 of the bottom plate assembly, the position of the first knitting hook 300, the position of the second knitting hook 400, and the position of the knitting knife 500 are all located in the second section 602. The knitting needle 200 of the bottom plate assembly starts. The first knitting hook 300 of the bottom plate assembly is hooked.

The third way: narrowing the needle, closing the hook, and hanging the wool yarn. The position of the knitting needle 200 of the bottom plate assembly, the position of the first knitting hook 300, the position of the second knitting hook 400, and the position of the knitting knife 500 are all located in the third section 603. When the knitting needle 200 and the first knitting hook 300 of the bottom plate assembly reach the highest point, the vertical distance between the highest point and the mouth of the needle cylinder is Ymm, and Y≤l ₂ . At this time, the knitting needles 200 and the first knitting hook 300 of the bottom plate assembly are hooked on the wool yarn at the same time. At this time, the second knitting hook 400 and the knitting knife 500 of the bottom plate assembly are both in a non-working state.

The fourth way: the yarn hanging on the lower plate is completed, and the needle does not fall off the loop. The first needle section of the upper plate assembly and the second needle section of the upper plate assembly float. The position of the knitting needle 200 of the bottom plate assembly, the position of the first knitting hook 300, the position of the second knitting hook 400, and the position of the knitting knife 500 are all located in the fourth section 604. When the knitting needle 200 of the bottom plate assembly reaches a distance of l ₁ from the mouth of the needle cylinder, the knitting needle 200 of the bottom plate assembly starts to move in translation. At the same time, the first knitting hook 300 of the bottom plate assembly continues to be retracted, and the first knitting hook 300 sinks and reaches the lowest point.

Fifth way: hang the yarn on the upper plate, hang the bottom yarn for the first time on the lower plate. The needles of the first needle section of the upper plate assembly and the needles of the second needle section of the upper plate assembly raise the needles, and close the needles after the yarn is hung to complete the task of hanging the yarn on the upper plate. The position of the knitting needle 200 of the bottom plate assembly, the position of the first knitting hook 300, the position of the second knitting hook 400, and the position of the knitting knife 500 are all located in the fifth section 605. At this time, the knitting needle 200, the first knitting hook 300, the second knitting hook 400 and the knitting knife 500 of the bottom plate assembly are all in an inoperative state. When the first knitting hook 300 of the bottom plate assembly reaches the lowest point, the knitting needle 200 of the bottom plate assembly hangs a bottom yarn. After the first hanging of the bottom yarn of the bottom plate assembly is completed, the needle is narrowed and the loop is released. At this time, the second knitting hook 400 and the knitting knife 500 of the bottom plate assembly are both in a non-working state. The upper plate assembly and the lower plate assembly work independently in the fifth way.

Sixth way: hang the bottom yarn for the second time on the bottom plate. The position of the knitting needle 200 of the bottom plate assembly, the position of the first knitting hook 300, the position of the second knitting hook 400, and the position of the knitting knife 500 are all located in the sixth section 606. The knitting needle 200 of the bottom plate assembly hangs a bottom yarn for the second time, which can fix the wool yarn. The knitting needle 200 of the bottom plate assembly is closed after the second hanging of the bottom yarn is completed, and the tying of the wool yarn is completed. At this time, the first needle section of the upper plate assembly, the second needle section of the upper plate assembly, the first knitting hook 300, the second knitting hook 400 and the knitting knife 500 of the lower plate assembly are all in an inoperative state.

Seventh way: the first knitting hook 300 is replaced with the second knitting hook 400. The second knitting hook 400 circulates according to the first path→the sixth path of the first knitting hook 300. The first knitting hook 300 circulates according to the first path→the sixth path of the second knitting hook 400. The other parts of the upper plate assembly and the lower plate assembly follow the first → sixth cycle, and the twelve work cycles of the upper plate assembly and the lower plate assembly constitute a working cycle.

In the fourth or tenth path, the lowest point where the first knitting hook 300 or the second knitting hook 400 sinks is the distance Zmm between the first hook head 301 or the second hook head 401 and the spring of the needle cylinder. The calculation formula is as follows : Z = l _4- YWN, where W is the distance between the first hook head 301 or the second hook head 401 and the mouth of the needle cylinder when the first knitting hook 300 or the second knitting hook 400 is not working, and N is the needle The spring width of the barrel 100. At the same time, l ₈ ≤W, so that the wool yarn cut by the knives 500 can reach the back position of the needle cylinder 100.

Figure 21 is a schematic diagram of the structure of the bottom plate assembly. As shown in Figure 21, the knitting mechanism also includes a cam, an upper cam seat and a lower cam seat. The triangle of the upper triangle seat has two needle paths. The movement of the first needle section and the second needle section of the upper plate assembly is controlled by the triangle on the upper cam seat, which can control the knitting needle 200 of the upper plate assembly to start or float the needle in the first needle section or the second needle section. Four triangles are installed on the lower triangle seat. The knitting needle 200, the first knitting hook 300, the second knitting hook 400 and the knitting knife 500 of the bottom plate assembly move in the four triangles correspondingly.

Example 3:

Both the upper disc assembly and the lower disc assembly include a syringe 100. The syringe 100 includes an upper body 101 and a lower body 102 that are integrally formed. The syringe 100 has a hole for embedding a spring, and the spring is embedded in the hole. The distance between the mouth of the barrel and the spring is l ₅ . In this embodiment, l ₅ =28mm. The lower body 102 is provided with an insert 103. Multiple sets of knitting elements are installed in the insert 103. The upper body 101 is welded with a pair of mouthguards 104. Each group of knitting elements includes a knitting needle 200, a first knitting hook 300, and a second knitting hook 400.

The specification of the knitting needle 200 is 150 mm, the specification of the first knitting hook 300 is 72 mm, the specification of the second knitting hook 400 is 108.5 mm, and the specification of the knitting knife 500 is 22.63 m. The knitting needle 200 includes a needle head 201, a needle tongue 202, and at least one stitch 203. A plurality of first steps 204 are provided between the needle tongue 202 and the needle 203. The stroke of the needle tongue 202 is l ₁ =6 mm. The distance from the needle 201 to the first step 204 down from the needle 201 is l ₄ =50 mm. The first knitting hook 300 includes a first hook head 301, a first hook rod 302 and a first hook foot 303. A plurality of second steps 304 are provided on the first hook rod 302. The distance from the first hook head 301 to the first second step 304 down from the first hook head 301 is ₁₆ mm, and the second knitting hook 400 includes a second hook head 401, a second hook rod 402, and a second hook Feet 403. A plurality of third steps 404 are provided on the second hook rod 402. The distance from the second hook head 401 to the first third step 404 down from the second hook head 401 is l ₇ mm, and l ₆ =l ₇ =46 mm. Both the first hook rod 302 and the second hook rod 402 are provided with grooves. Insert the knitting knife 500 into the groove. The weaving knife 500 includes a knife head 501 and a knife shaft 502. In the initial working state, the distance between the first hook 303 and the second hook 403 is l ₂ =31 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 ₃ =4 mm. The movement and displacement track of the upper plate assembly includes a first needle segment and a second needle segment. The movement and displacement trajectory of the lower disk assembly includes a first section 601, a second section 602, a third section 603, a fourth section 604, a fifth section 605, and a sixth section 606.

The knitting mechanism includes the following action steps:

The first way: start a half stitch, start a knitting knife. The position of the knitting needle 200 of the bottom plate assembly, the position of the first knitting hook 300, the position of the second knitting hook 400, and the position of the knitting knife 500 are all located in the first section 601. The knitting needles 200 of the first needle section of the upper plate assembly act as a half-needle and the knitting needles 200 of the lower plate assembly act as a pair of half-needles to connect the upper plate stitch and the lower plate stitch. At the same time, the knitting knife 500 of the bottom plate assembly _{is raised Xmm, X≥l 3} , that is, X≥4mm, and the loop on the hook is cut off. Preferably in this embodiment, X=4mm. That is, the knitting knife 500 of the disc assembly is pushed upward by 4 mm to cut the loop on the hook.

The third way: narrowing the needle, closing the hook, and hanging the wool yarn. The position of the knitting needle 200 of the bottom plate assembly, the position of the first knitting hook 300, the position of the second knitting hook 400, and the position of the knitting knife 500 are all located in the third section 603. When the knitting needle 200 and the first knitting hook 300 of the bottom plate assembly reach the highest point, the vertical distance between the highest point and the needle cylinder mouth _{is Ymm, and Y≤l 2} that is, Y≤31mm. Preferably in this embodiment, Y=16mm. At this time, the knitting needles 200 and the first knitting hook 300 of the bottom plate assembly are hooked on the wool yarn at the same time. At this time, the second knitting hook 400 and the knitting knife 500 of the bottom plate assembly are both in a non-working state.

The fourth way: the yarn hanging on the lower plate is completed, and the needle does not fall off the loop. The first needle section of the upper plate assembly and the second needle section of the upper plate assembly float. The position of the knitting needle 200 of the bottom plate assembly, the position of the first knitting hook 300, the position of the second knitting hook 400, and the position of the knitting knife 500 are all located in the fourth section 604. When the knitting needle 200 of the bottom plate assembly reaches a distance of 4 mm from the mouth of the needle cylinder, the knitting needle 200 of the bottom plate assembly starts to move in translation. At the same time, the first knitting hook 300 of the bottom plate assembly continues to be retracted, and the first knitting hook 300 sinks and reaches the lowest point. The lowest point where the first knitting hook 300 sinks is the distance Zmm between the first hook head 301 and the spring of the needle cylinder. The calculation formula is as follows: Z=1 ₄ -YWN, where W is the first knitting hook 300 or the second knitting hook 300 When the hook 400 is not working, the distance between the first hook head 301 or the second hook head 401 and the mouth of the needle cylinder, N is the spring width of the needle cylinder 100. In this embodiment, W=20mm, N=4mm, and Z=50-16-20-4=10mm.

Fifth way: hang the yarn on the upper plate, hang the bottom yarn for the first time on the lower plate. The needles of the first needle section of the upper plate assembly and the needles of the second needle section of the upper plate assembly raise the needles, and close the needles after the yarn is hung to complete the task of hanging the yarn on the upper plate. The position of the knitting needle 200 of the bottom plate assembly, the position of the first knitting hook 300, the position of the second knitting hook 400, and the position of the knitting knife 500 are all located in the fifth section 605. At this time, the knitting needle 200, the first knitting hook 300, the second knitting hook 400 and the knitting knife 500 of the bottom plate assembly are all in an inoperative state. When the first knitting hook 300 of the bottom plate assembly reaches the lowest point, the knitting needle 200 of the bottom plate assembly hangs a bottom yarn. After the bottom yarn is hooked up for the first time in the bottom plate assembly, the needle is narrowed and the loop is released. At this time, the second knitting hook 400 and the knitting knife 500 of the bottom plate assembly are both in a non-working state.

Sixth way: hang the bottom yarn for the second time on the bottom plate. The knitting needle 200 of the bottom plate assembly hangs a bottom yarn for the second time, which can fix the wool yarn. The knitting needle 200 of the bottom plate assembly is closed after the second hanging of the bottom yarn is completed, and the tying of the wool yarn is completed. At this time, the first needle section of the upper plate assembly, the second needle section of the upper plate assembly, the first knitting hook 300, the second knitting hook 400 and the knitting knife 500 of the lower plate assembly are all in an inoperative state.

Specifically, the position of the knitting needle 200, the position of the first knitting hook 300, the position of the second knitting hook 400, and the position of the knitting knife 500 of the bottom plate assembly are all located in the first section 601. The knitting needles 200 of the first needle section of the upper plate assembly act as a half-needle and the knitting needles 200 of the lower plate assembly act as a pair of half-needles to connect the upper plate stitch and the lower plate stitch. At the same time, the knitting knife 500 of the bottom plate assembly is raised Xmm, X≥5mm, to cut the loop on the hook. Preferably in this embodiment, X=4mm. That is, the knitting knife 500 of the disc assembly is pushed upward by 4 mm to cut the loop on the hook.

The eighth way: starting the needle, starting the hook. The first needle section of the upper plate assembly and the second needle section of the upper plate assembly float. The position of the knitting needle 200 of the bottom plate assembly, the position of the first knitting hook 300, the position of the second knitting hook 400, and the position of the knitting knife 500 are all located in the second section 602. The knitting needle 200 of the bottom plate assembly starts. The second knitting hook 400 of the bottom plate assembly is hooked.

The ninth way: narrowing the needle, closing the hook, and hanging the wool yarn. The position of the knitting needle 200 of the bottom plate assembly, the position of the first knitting hook 300, the position of the second knitting hook 400, and the position of the knitting knife 500 are all located in the third section 603. When the knitting needle 200 and the first knitting hook 300 of the bottom plate assembly reach the highest point, the vertical distance between the highest point and the mouth of the needle cylinder _{is Ymm, Y≤l 2} that is, Y≤33mm. Preferably in this embodiment, Y=13.5mm. At this time, the knitting needle 200 and the second knitting hook 400 of the bottom plate assembly are simultaneously hooked with wool yarn. At this time, both the first knitting hook 300 and the knitting knife 500 of the bottom plate assembly are in a non-working state.

In the tenth path, the position of the knitting needle 200 of the bottom plate assembly, the position of the first knitting hook 300, the position of the second knitting hook 400, and the position of the knitting knife 500 are all located in the fourth section 604. The lowest point where the second knitting hook 400 sinks is the distance Zmm between the second hook head 401 and the spring of the needle cylinder. The calculation formula is as follows: Z = l ₄ -YWN, where W is the first knitting hook 300 or the second knitting hook 300 When the hook 400 is not working, the distance between the first hook head 301 or the second hook head 401 and the mouth of the needle cylinder, N is the spring width of the needle cylinder 100. In this embodiment, W=20mm, N=4mm, and Z=50-16-20-4=10mm.

The eleventh road: hang the yarn on the upper plate, hang the bottom yarn for the first time on the lower plate. The needles of the first needle section of the upper plate assembly and the needles of the second needle section of the upper plate assembly raise the needles, and close the needles after the yarn is hung to complete the task of hanging the yarn on the upper plate. The position of the knitting needle 200 of the bottom plate assembly, the position of the first knitting hook 300, the position of the second knitting hook 400, and the position of the knitting knife 500 are all located in the fifth section 605. At this time, the knitting needle 200, the first knitting hook 300, the second knitting hook 400 and the knitting knife 500 of the bottom plate assembly are all in an inoperative state. When the second knitting hook 400 of the bottom plate assembly reaches the lowest point, the knitting needle 200 of the bottom plate assembly hangs a bottom yarn. After the first hanging of the bottom yarn of the bottom plate assembly is completed, the needle is narrowed and the loop is released. At this time, both the first knitting hook 300 and the knitting knife 500 of the bottom plate assembly are in a non-working state.

The twelfth way: the second hanging of the bottom yarn. The knitting needle 200 of the bottom plate assembly hangs a bottom yarn for the second time, which can fix the wool yarn. The knitting needle 200 of the bottom plate assembly is closed after the second hanging of the bottom yarn is completed, and the tying of the wool yarn is completed. At this time, the first needle section of the upper plate assembly, the second needle section of the upper plate assembly, the first knitting hook 300, the second knitting hook 400 and the knitting knife 500 of the lower plate assembly are all in an inoperative state.

Example 4:

Both the upper disc assembly and the lower disc assembly include a syringe 100. The syringe 100 includes an upper body 101 and a lower body 102 that are integrally formed. The syringe 100 has a hole for embedding a spring, and the spring is embedded in the hole. The distance between the mouth of the barrel and the spring is l ₅ . In this embodiment, l ₅ =30 mm. The lower body 102 is provided with an insert 103. Multiple sets of knitting elements are installed in the insert 103. The upper body 101 is welded with a pair of mouthguards 104. Each group of knitting elements includes a knitting needle 200, a first knitting hook 300, and a second knitting hook 400.

The specification of the knitting needle 200 is 152 mm, the specification of the first knitting hook 300 is 74 mm, the specification of the second knitting hook 400 is 110.5 mm, and the specification of the knitting knife 500 is 22.63 mm. The knitting needle 200 includes a needle head 201, a needle tongue 202, and at least one stitch 203. A plurality of first steps 204 are provided between the needle tongue 202 and the needle 203. The stroke of the needle tongue 202 is l ₁ =8 mm. The distance from the needle 201 to the first step 204 down from the needle 201 is l ₄ =52 mm. The first knitting hook 300 includes a first hook head 301, a first hook rod 302 and a first hook foot 303. A plurality of second steps 304 are provided on the first hook rod 302. The distance from the first hook head 301 to the first second step 304 down from the first hook head 301 is ₁₆ mm, and the second knitting hook 400 includes a second hook head 401, a second hook rod 402, and a second hook Feet 403. A plurality of third steps 404 are provided on the second hook rod 402. The distance from the second hook head 401 to the first third step 404 down from the second hook head 401 is l ₇ mm, and l ₆ =l ₇ =48 mm. Both the first hook rod 302 and the second hook rod 402 are provided with grooves. Insert the knitting knife 500 into the groove. The weaving knife 500 includes a knife head 501 and a knife shaft 502. In the initial working state, the distance between the first hook 303 and the second hook 403 is l ₂ =33 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 ₃ =5 mm. The movement and displacement track of the upper plate assembly includes a first needle segment and a second needle segment. The movement and displacement trajectory of the lower disk assembly includes a first section 601, a second section 602, a third section 603, a fourth section 604, a fifth section 605, and a sixth section 606.

The knitting mechanism includes the following action steps:

The first way: start a half stitch, start a knitting knife. The position of the knitting needle 200 of the bottom plate assembly, the position of the first knitting hook 300, the position of the second knitting hook 400, and the position of the knitting knife 500 are all located in the first section 601. The knitting needles 200 of the first needle section of the upper plate assembly act as a half-needle and the knitting needles 200 of the lower plate assembly act as a pair of half-needles to connect the upper plate stitch and the lower plate stitch. At the same time, the knitting knife 500 of the bottom plate assembly _{is raised Xmm, X≥l 3} , that is, X≥5mm, and the loop on the hook is cut off. Preferably in this embodiment, X=5mm. That is, the knitting knife 500 of the disc assembly is pushed upward by 5 mm to cut the loop on the hook.

The third way: narrowing the needle, closing the hook, and hanging the wool yarn. The position of the knitting needle 200 of the bottom plate assembly, the position of the first knitting hook 300, the position of the second knitting hook 400, and the position of the knitting knife 500 are all located in the third section 603. When the knitting needle 200 and the first knitting hook 300 of the bottom plate assembly reach the highest point, the vertical distance between the highest point and the mouth of the needle cylinder _{is Ymm, Y≤l 2} that is, Y≤33mm. Preferably in this embodiment, Y=18mm. At this time, the knitting needles 200 and the first knitting hook 300 of the bottom plate assembly are hooked on the wool yarn at the same time. At this time, the second knitting hook 400 and the knitting knife 500 of the bottom plate assembly are both in a non-working state.

The fourth way: the yarn hanging on the lower plate is completed, and the needle does not fall off the loop. The first needle section of the upper plate assembly and the second needle section of the upper plate assembly float. The position of the knitting needle 200 of the bottom plate assembly, the position of the first knitting hook 300, the position of the second knitting hook 400, and the position of the knitting knife 500 are all located in the fourth section 604. When the knitting needle 200 of the bottom plate assembly reaches a distance of 4 mm from the mouth of the needle cylinder, the knitting needle 200 of the bottom plate assembly starts to move in translation. At the same time, the first knitting hook 300 of the bottom plate assembly continues to be retracted, and the first knitting hook 300 sinks and reaches the lowest point. The lowest point where the first knitting hook 300 sinks is the distance Zmm between the first hook head 301 and the spring of the needle cylinder. The calculation formula is as follows: Z=1 ₄ -YWN, where W is the first knitting hook 300 or the second knitting hook 300 When the hook 400 is not working, the distance between the first hook head 301 or the second hook head 401 and the mouth of the needle cylinder, N is the spring width of the needle cylinder 100. In this embodiment, W=20mm, N=4mm, and Z=52-18-20-4=10mm.

Specifically, the position of the knitting needle 200, the position of the first knitting hook 300, the position of the second knitting hook 400, and the position of the knitting knife 500 of the bottom plate assembly are all located in the first section 601. The knitting needles 200 of the first needle section of the upper plate assembly act as a half-needle and the knitting needles 200 of the lower plate assembly act as a pair of half-needles to connect the upper plate stitch and the lower plate stitch. At the same time, the knitting knife 500 of the bottom plate assembly is raised Xmm, X≥5mm, to cut the loop on the hook. Preferably in this embodiment, X=5mm. That is, the knitting knife 500 of the disc assembly is pushed upward by 5 mm to cut the loop on the hook.

The ninth way: narrowing the needle, closing the hook, and hanging the wool yarn. The position of the knitting needle 200 of the bottom plate assembly, the position of the first knitting hook 300, the position of the second knitting hook 400, and the position of the knitting knife 500 are all located in the third section 603. When the knitting needle 200 and the first knitting hook 300 of the bottom plate assembly reach the highest point, the vertical distance between the highest point and the mouth of the needle cylinder _{is Ymm, Y≤l 2} that is, Y≤33mm. Preferably in this embodiment, Y=18mm. At this time, the knitting needle 200 and the second knitting hook 400 of the bottom plate assembly are simultaneously hooked with wool yarn. At this time, both the first knitting hook 300 and the knitting knife 500 of the bottom plate assembly are in a non-working state.

In the tenth path, the position of the knitting needle 200 of the bottom plate assembly, the position of the first knitting hook 300, the position of the second knitting hook 400, and the position of the knitting knife 500 are all located in the fourth section 604. The lowest point where the second knitting hook 400 sinks is the distance Zmm between the second hook head 401 and the spring of the needle cylinder. The calculation formula is as follows: Z = l ₄ -YWN, where W is the first knitting hook 300 or the second knitting hook 300 When the hook 400 is not working, the distance between the first hook head 301 or the second hook head 401 and the mouth of the needle cylinder, N is the spring width of the needle cylinder 100. In this embodiment, W=20mm, N=4mm, and Z=52-18-20-4=10mm.

Example 5:

Both the upper disc assembly and the lower disc assembly include a syringe 100. The syringe 100 includes an upper body 101 and a lower body 102 that are integrally formed. The syringe 100 has a hole for embedding a spring, and the spring is embedded in the hole. The distance between the mouth of the barrel and the spring is l ₅ . In this embodiment, l ₅ =32mm. The lower body 102 is provided with an insert 103. Multiple sets of knitting elements are installed in the insert 103. The upper body 101 is welded with a pair of mouthguards 104. Each group of knitting elements includes a knitting needle 200, a first knitting hook 300, and a second knitting hook 400.

The specification of the knitting needle 200 is 154 mm, the specification of the first knitting hook 300 is 76 mm, the specification of the second knitting hook 400 is 112.5 mm, and the specification of the knitting knife 500 is 22.63 mm. The knitting needle 200 includes a needle head 201, a needle tongue 202, and at least one stitch 203. A plurality of first steps 204 are provided between the needle tongue 202 and the needle 203. The stroke of the needle tongue 202 is l ₁ =8 mm. The distance from the needle 201 to the first step 204 down from the needle 201 is l ₄ =54 mm. The first knitting hook 300 includes a first hook head 301, a first hook rod 302 and a first hook foot 303. A plurality of second steps 304 are provided on the first hook rod 302. The distance from the first hook head 301 to the first second step 304 down from the first hook head 301 is ₁₆ mm, and the second knitting hook 400 includes a second hook head 401, a second hook rod 402, and a second hook Feet 403. A plurality of third steps 404 are provided on the second hook rod 402. The distance from the second hook head 401 to the first third step 404 down from the second hook head 401 is l ₇ mm, and l ₆ =l ₇ =50 mm. Both the first hook rod 302 and the second hook rod 402 are provided with grooves. Insert the knitting knife 500 into the groove. The weaving knife 500 includes a knife head 501 and a knife shaft 502. In the initial working state, the distance between the first hook 303 and the second hook 403 is l ₂ =35mm. 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 ₃ =4 mm. The movement and displacement track of the upper plate assembly includes a first needle segment and a second needle segment. The movement and displacement trajectory of the lower disk assembly includes a first section 601, a second section 602, a third section 603, a fourth section 604, a fifth section 605, and a sixth section 606.

The knitting mechanism includes the following action steps:

The second way: start the needle, start the hook. The first needle section of the upper plate assembly and the second needle section of the upper plate assembly float. The position of the knitting needle 200, the position of the first knitting hook 300, the position of the second knitting hook 400, and the position of the knitting knife 500 of the bottom plate assembly are all located in the second section 602. As shown in FIG. The knitting needle 200 of the bottom plate assembly starts. The first knitting hook 300 of the bottom plate assembly is hooked.

The third way: narrowing the needle, closing the hook, and hanging the wool yarn. The position of the knitting needle 200 of the bottom plate assembly, the position of the first knitting hook 300, the position of the second knitting hook 400, and the position of the knitting knife 500 are all located in the third section 603. When the knitting needle 200 and the first knitting hook 300 of the bottom plate assembly reach the highest point, the vertical distance between the highest point and the mouth of the needle cylinder _{is Ymm, and Y≤l 2} that is, Y≤35mm. Preferably in this embodiment, Y=18mm. At this time, the knitting needles 200 and the first knitting hook 300 of the bottom plate assembly are hooked on the wool yarn at the same time. At this time, the second knitting hook 400 and the knitting knife 500 of the bottom plate assembly are both in a non-working state.

The fourth way: the yarn hanging on the lower plate is completed, and the needle does not fall off the loop. The first needle section of the upper plate assembly and the second needle section of the upper plate assembly float. The position of the knitting needle 200 of the bottom plate assembly, the position of the first knitting hook 300, the position of the second knitting hook 400, and the position of the knitting knife 500 are all located in the fourth section 604. When the knitting needle 200 of the bottom plate assembly reaches a distance of 4 mm from the mouth of the needle cylinder, the knitting needle 200 of the bottom plate assembly starts to move in translation. At the same time, the first knitting hook 300 of the bottom plate assembly continues to be retracted, and the first knitting hook 300 sinks and reaches the lowest point. The lowest point where the first knitting hook 300 sinks is the distance Zmm between the first hook head 301 and the spring of the needle cylinder. The calculation formula is as follows: Z=1 ₄ -YWN, where W is the first knitting hook 300 or the second knitting hook 300 When the hook 400 is not working, the distance between the first hook head 301 or the second hook head 401 and the mouth of the needle cylinder, N is the spring width of the needle cylinder 100. In this embodiment, W=22mm, N=4mm, and Z=54-18-22-4=10mm.

Specifically, the position of the knitting needle 200, the position of the first knitting hook 300, the position of the second knitting hook 400, and the position of the knitting knife 500 of the bottom plate assembly are all located in the first section 601. The knitting needles 200 of the first needle section of the upper plate assembly act as a half-needle and the knitting needles 200 of the lower plate assembly act as a half-needle to form a pair of pulls, and play the role of connecting the upper plate stitch and the lower plate stitch. At the same time, the knitting knife 500 of the bottom plate assembly is raised Xmm, X≥4mm, to cut the loop on the hook. Preferably in this embodiment, X=4mm. That is, the knitting knife 500 of the disc assembly is pushed upward by 4 mm to cut the loop on the hook.

The ninth way: narrowing the needle, closing the hook, and hanging the wool yarn. The position of the knitting needle 200 of the bottom plate assembly, the position of the first knitting hook 300, the position of the second knitting hook 400, and the position of the knitting knife 500 are all located in the third section 603. When the knitting needle 200 and the first knitting hook 300 of the bottom plate assembly reach the highest point, the vertical distance between the highest point and the mouth of the needle cylinder _{is Ymm, and Y≤l 2} that is, Y≤35mm. Preferably in this embodiment, Y=18mm. At this time, the knitting needle 200 and the second knitting hook 400 of the bottom plate assembly are simultaneously hooked with wool yarn. At this time, both the first knitting hook 300 and the knitting knife 500 of the bottom plate assembly are in a non-working state.

In the tenth path, the position of the knitting needle 200 of the bottom plate assembly, the position of the first knitting hook 300, the position of the second knitting hook 400, and the position of the knitting knife 500 are all located in the fourth section 604. The lowest point where the second knitting hook 400 sinks is the distance Zmm between the second hook head 401 and the spring of the needle cylinder. The calculation formula is as follows: Z = l ₄ -YWN, where W is the first knitting hook 300 or the second knitting hook 300 When the hook 400 is not working, the distance between the first hook head 301 or the second hook head 401 and the mouth of the needle cylinder, N is the spring width of the needle cylinder 100. In this embodiment, W=22mm, N=4mm, and Z=54-18-22-4=10mm.

Figure 23 is a summary table of the parameters of the implementation: 3 to Example 5. The values of l ₁ , l ₂ , l ₃ , l ₄ , l ₅ , l ₆ , l ₇ , X, Y and W are all variables, and N is quantitative , Satisfying Z=1 ₄ -YWN=10mm.

The examples of this specific implementation manner are all preferred examples of the present invention, and do not limit the scope of protection of the present invention accordingly. Therefore: all equivalent changes made in accordance with the structure, shape, and principle of the present invention should be covered in Within the protection scope of the present invention.

Claims

A lower cylinder (2) of a circular knitting machine needle cylinder, which is characterized in that it comprises:

The barrel (21), which has a cylindrical structure;

A plurality of vertical plates (22), the plurality of vertical plates (22) are evenly arranged on the outer side wall of the cylinder (21) around the axis of the cylinder (21), and two adjacent vertical plates (22) (22) A vertical notch (23) is formed between (22);

At least one of the vertical slots (23) is provided with a first through groove (24) penetrating the thickness of the cylinder (21), and the first through groove (24) penetrates the top edge of the cylinder (21) , The longitudinal depth of the first through groove (24) is greater than zero and less than the longitudinal height of the cylinder (21).
The lower cylinder (2) of a circular knitting machine needle cylinder according to claim 1, wherein at least two first through grooves (24) are provided, and two adjacent first through grooves ( At least two vertical plates (22) are arranged between 24).
The lower cylinder (2) of a circular weft machine needle cylinder according to claim 1, wherein the longitudinal depth of the first through groove (24) is greater than zero and less than or equal to the longitudinal direction of the vertical plate (22). length.
The lower cylinder (2) of a circular knitting machine needle cylinder according to claim 1, characterized in that: n vertical plates (22) are provided between two adjacent first through grooves (24) , Where 1<n<40, and n is an integer.
A circular knitting machine needle cylinder, which is characterized in that it comprises an upper plate (1) and a lower cylinder (2) arranged below the upper plate (1) as claimed in claim 1 or 2 or 3 or 4.
The needle cylinder of a circular knitting machine according to claim 5, characterized in that: the upper plate (1) comprises an annular plate body (11) and a transverse plate (12), and the annular plate body (11) has Circular ring structure, the longitudinal direction of the transverse plate (12) is arranged along the radial direction of the annular disc body (11), and a plurality of the transverse plate (12) is arranged on the annular disc body (11) around the axis of the annular disc body (11) (11) On the upper surface, a transverse notch (13) is formed between two adjacent transverse plates (12).
A circular knitting machine, characterized in that it comprises the circular knitting machine needle cylinder according to claim 5 or 6, and further comprises a blowing device,

A lower knitting needle (5) is provided in the vertical slot (23) without the first through groove (24), and the lower knitting needle (5) moves up and down in the vertical slot (23) ；

A lower knife hook assembly (6) is provided in the vertical slot (23) having the first through groove (24), and the lower knife hook assembly (6) includes at least one lower knitting hook (62) and a lower part Knitting knife (61), the lower knitting hook (62) and the lower knitting knife (61) can move up and down in the vertical slot (23);

An upper knitting needle (4) arranged along the radial direction of the upper disc (1) is provided in the transverse slot (13), and the upper knitting needle (4) can reciprocate along the radial direction of the upper disc (1);

The blowing device drives the cut loop pile (84) into the cylinder (21) through the first through groove (24).
A circular weft machine according to claim 7, characterized in that: the lower knife hook assembly (6) comprises two overlapping lower knitting hooks (62) and two lower knitting hooks (62) arranged on top of each other. Between the lower knitting knife (61), the lower knitting knife (61) can move up and down between the two lower knitting hooks (62), the lower knife hook assembly (6) can be in the vertical slot (23) ) Move up and down within.
A circular weft knitting machine according to claim 7 or 8, characterized in that: the blowing device comprises an air nozzle (3) and an air source for supplying air to the air nozzle (3), the air nozzle (3) The opening is arranged in the direction of the first through groove (24).
The circular weft knitting machine according to claim 9, characterized in that: the air source is a negative pressure air source, the air nozzle (3) is arranged in the cylinder (21), and the air nozzle (3) Align the first through groove (24) to suck the cut loop pile (84) into the cylinder (21).
The circular weft knitting machine according to claim 9, characterized in that: the air source is a positive pressure air source, the air nozzle (3) is arranged outside the cylinder (21), and the air nozzle (3) Align the first through groove (24) to blow the cut loop pile (84) into the cylinder (21).