A knitting machine with a needle bed

Abstract

The present application relates to the technical field of circular knitting machine, especially to a kind of knitting circular knitting machine convenient to maintain.The prior art makes dust and lint always gather in the middle of the circular knitting machine, cannot be adsorbed by dust suction mechanism, and the dust removal effect is poor.The technical scheme: a kind of knitting circular knitting machine convenient to maintain, including disc, electric drive turntable and machine body etc.;Disc rotationally connected with electric drive turntable;Disc is installed with machine body, and machine body is rotationally connected with electric drive turntable.The present application adopts the blowing mode from inside to outside, avoids that airflow blows dust and lint to the middle of the circular knitting machine, and airflow direction is all from inside to outside, airflow is stable, so that dust and lint can be adsorbed smoothly, and good dust removal effect is achieved.

Description

Technical Field

[0001] This invention relates to the field of circular knitting machines, and more particularly to a circular knitting machine that is easy to maintain. Background Technology

[0002] The circular knitting machine is a type of knitting machine that can replace manual knitting. It is not only highly efficient, but also has a fast pattern change and good fabric quality. During the operation of the circular knitting machine, the yarn on the yarn frame will generate a lot of lint and dust. The accumulation of lint and dust can easily cause the equipment to run poorly, or even cause the internal parts of the equipment to jam. It needs to be cleaned in time. Existing Chinese patent: A circular knitting machine with a dust removal mechanism (CN116971085A); This device uses an air blowing mechanism to blow dust and lint generated during the operation of the circular knitting machine toward a dust suction mechanism so that the dust suction mechanism can absorb the dust and lint. However, the airflow blown by the air blowing mechanism in this device blows the dust and lint toward the central area of ​​the circular knitting machine, and the airflow blown by different air blowing mechanisms at the same time will form cross airflow, resulting in airflow turbulence. As a result, the dust and lint always accumulate in the central area of ​​the circular knitting machine and cannot be absorbed by the external dust suction mechanism, resulting in poor dust removal effect. Summary of the Invention

[0003] To overcome the drawbacks of the problems mentioned in the background, the present invention provides a circular knitting machine that is easy to maintain.

[0004] The technical solution of this invention is: a maintenance-friendly circular knitting machine, comprising a disc, an electrically driven turntable, and a machine body; the disc is rotatably connected to the electrically driven turntable; the machine body is mounted on the disc, and the machine body is rotatably connected to the electrically driven turntable; it also includes a first hollow collecting plate, a ring-shaped moving assembly, and a second hollow collecting plate; a plurality of symmetrically distributed first hollow collecting plates are fixedly connected to the electrically driven turntable; the electrically driven turntable is equipped with a ring-shaped moving assembly; the ring-shaped moving assembly is provided with a plurality of symmetrically distributed second hollow collecting plates, and the second hollow collecting plates are located inside the first hollow collecting plates; the ring-shaped moving assembly is used to drive the second hollow collecting plates to move... The machine moves in a ring; each hollow collection plate 1 has an air extraction port 1; each hollow collection plate 1 has several air extraction holes 1; each hollow collection plate 1 has an air inlet 1; each hollow collection plate 1 has several air outlets 1; each hollow collection plate 2 has an air extraction port 2; each hollow collection plate 2 has several air extraction holes 2; each hollow collection plate 2 has an air inlet 2; each hollow collection plate 2 has several air outlets 2; both air outlets 1 and 2 are located on the inner side of the yarn frame on the machine body; the diameter of air extraction hole 1 is much larger than that of air extraction hole 2.

[0005] More preferably, the hollow collection plate 2 has a trapezoidal cross-section with a shorter inner section and a longer outer section, and several air extraction holes 3 are provided on the inclined surface of the hollow collection plate 2.

[0006] More preferably, the third air extraction hole is located away from the second air extraction hole on the inclined surface of the second hollow collection plate.

[0007] More preferably, several air outlets are provided on the inclined surface of the hollow collection plate 2, and the air extraction holes 3 are located on the inclined surface of the hollow collection plate 2 near the air outlets 2.

[0008] More preferably, the air outlet faces the outer side of the hollow collection plate.

[0009] More preferably, it also includes a hollow collection plate three; the electrically driven turntable is equipped with several symmetrically distributed hollow collection plates three, and the hollow collection plates three are located inside the hollow collection plate two; each hollow collection plate three has an air inlet three; each hollow collection plate three has several air outlets four.

[0010] More preferably, it also includes a partition, an interceptor plate, and a water pipe; each hollow collection plate three is fixedly connected to a partition; each hollow collection plate three and the partition on the corresponding side are jointly fixedly connected to an interceptor plate, and the interceptor plate faces the air outlet one, and the surface of the interceptor plate is rough; the interceptor plate is connected to a water pipe, and the water pipe passes through the hollow collection plate three and connects to the outside; each hollow collection plate three has an outlet; the partition divides the interior of the hollow collection plate three into a humidified cavity and a flow cavity, and the outlet is connected to the humidified cavity, and the air inlet three, the flow cavity and the air outlet four are interconnected.

[0011] More preferably, it also includes a cleaning plate and rollers; the annular moving assembly is provided with a cleaning plate; the cleaning plate is rotatably connected to a number of symmetrically distributed rollers, and the rollers are in contact with the inner side of the hollow collection plate; the annular moving assembly is used to drive the cleaning plate and its connecting parts to move in annular motion.

[0012] More preferably, it also includes scrapers; the cleaning plate is fixed with several symmetrically distributed scrapers, and the scrapers are in contact with the rollers on the corresponding sides; the cleaning plate has a drainage groove.

[0013] More preferably, the cleaning plate has a water inlet and a drainage channel.

[0014] The beneficial effects are: the present invention adopts an inside-out blowing method, which avoids the airflow blowing dust and lint towards the middle of the large circular machine, and the airflow direction is from inside to outside. The airflow is stable, which allows dust and lint to be successfully adsorbed, achieving a good dust removal effect.

[0015] This invention uses a hollow collection plate two to pre-collect lint and dust, and the hollow collection plate one and hollow collection plate two move alternately to cover a larger area and achieve a better dust removal effect.

[0016] When the second hollow collection plate moves to the inside of the first hollow collection plate, the airflow from the first air outlet will blow the lint and dust attached to the outer surface of the second hollow collection plate to the area where the first air extraction hole is located, thus preventing the lint and dust from getting stuck on the outer surface of the second hollow collection plate and being unable to be collected.

[0017] This invention positions the third extraction hole on the inclined surface of the second hollow collection plate, away from the second extraction hole. This prevents the suction force of the second and third extraction holes from becoming too concentrated, which would cause lint and dust to clump together, reducing the adsorption force of the second and third extraction holes, or even causing them to lose their adsorption capacity, thus affecting the removal of lint and dust. Furthermore, because the third extraction hole is far from the second extraction hole, the suction force of both the second and third extraction holes will exert a pulling force on the lint, thereby dispersing the clumps of lint and preventing them from clogging the first extraction hole and interrupting the removal of lint and dust.

[0018] This invention uses an interceptor plate facing the air outlet to intercept the lint blown down from the outer side of the hollow collection plate, causing the lint to gather on the interceptor plate. At the same time, a water pump is controlled to output water flow to the interceptor plate through a water pipe, so that the water flow slowly flows inside the interceptor plate and the moistening cavity. The water flow moistens the lint, and the moistened lint will quickly gather together and its gravity will increase. Thus, under the impact of the water flow and its own gravity, the moistened lint enters the moistening cavity from the interceptor plate and is discharged from the outlet. The pump then extracts and collects the moistened lint discharged from the outlet. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the structure disclosed in this invention. Figure 1 ; Figure 2 This is a schematic diagram of the structure disclosed in this invention. Figure 2 ; Figure 3 This is a schematic diagram of the combined structure of hollow collection plate one, hollow collection plate two, and hollow collection plate three disclosed in this invention; Figure 4 The above are exploded views of the hollow collection plate 1, hollow collection plate 2, and hollow collection plate 3 disclosed in this invention. Figure 5 This is a cross-sectional view of the hollow collection plate II disclosed in this invention. Figure 1 ; Figure 6 This is a cross-sectional view of the hollow collection plate disclosed in this invention; Figure 7 This is a cross-sectional view of the hollow collection plate II disclosed in this invention. Figure 2 ; Figure 8 This is a cross-sectional view of the hollow collection plate three disclosed in this invention; Figure 9 This is a schematic diagram of the cleaning plate disclosed in this invention. Figure 1 ; Figure 10 This is a schematic diagram of the cleaning plate disclosed in this invention. Figure 2 .

[0020] In the attached diagram, the following labels are used: 1-disc, 2-body, 5-hollow collection plate one, 6-guide rail, 7-moving block, 8-hollow collection plate two, 9-hollow collection plate three, 10-cleaning plate, 11-partition, 12-intercepting plate, 13-water pipe, 14-roller, 15-scraper, 16-electrically driven turntable, 100-humidified cavity, 200-flow cavity, 5a-extraction port one, 5b-extraction hole one, 5c-inlet one, 5d-outlet one, 8a-extraction port two, 8b-extraction hole two, 8c-extraction hole three, 8d-outlet two, 8e-outlet three, 8f-inlet two, 9a-inlet three, 9b-outlet four, 9c-exhaust port, 10a-drainage trough one, 10b-water inlet, 10c-drainage trough two. Detailed Implementation

[0021] The embodiments of the present invention will now be described in detail with reference to the accompanying drawings. Example

[0022] An easy-to-maintain circular knitting machine, such as Figures 1-10 As shown, it includes a disc 1, an electrically driven turntable 16, and a body 2; the disc 1 is rotatably connected to the electrically driven turntable 16; the disc 1 is mounted with the body 2, and the body 2 is rotatably connected to the electrically driven turntable 16. It also includes a hollow collection plate 15, a ring-shaped moving assembly, and a hollow collection plate 28; the electrically driven turntable 16 is bolted to two symmetrically distributed hollow collection plates 15; the electrically driven turntable 16 is equipped with a ring-shaped moving assembly; the ring-shaped moving assembly has two symmetrically distributed hollow collection plates 28, and the hollow collection plates 28 are located inside the hollow collection plates 15; each hollow collection plate 15 has an air extraction port 5a; each hollow collection plate 15 has several air extraction holes 5b on its inner side; each hollow collection plate 15 has several... An air inlet 5c; several air outlets 5d are opened on the inner side of each hollow collection plate 5; an air extraction port 8a is opened on the inner side of each hollow collection plate 8; several air extraction holes 8b are opened on the inner side of each hollow collection plate 8; an air inlet 8f is opened on each hollow collection plate 8; several air outlets 8d are opened on the inner side of each hollow collection plate 8; both air outlets 5d and 8d are located on the inner side of the yarn frame on the machine body 2; the diameter of the air extraction hole 5b is much larger than that of the air extraction hole 8b.

[0023] The cross-section of the hollow collection plate 28 is a trapezoid with a shorter inner section and a longer outer section. Several air extraction holes 38c are opened on the inclined surface of the hollow collection plate 28.

[0024] The air extraction hole 38c is located on the inclined surface of the hollow collection plate 28, away from the air extraction hole 28b.

[0025] Several air outlets 38e are provided on the inclined surface of the hollow collection plate 28. The air extraction hole 38c is located on the inclined surface of the hollow collection plate 28 near the air outlet 28d. Airflow is blown out through the air outlet 38e, which increases the blowing force of the air outlet 28d, enhances the guiding effect on lint and dust, and prevents lint from spreading.

[0026] The air outlet 15d faces the outer side of the hollow collection plate 28.

[0027] The annular moving assembly includes a guide rail 6 and a moving block 7; the electrically driven turntable 16 is equipped with the guide rail 6; the guide rail 6 is slidably connected to several moving blocks 7, and the moving blocks 7 are fixedly connected to the hollow collection plate 8 on the corresponding side.

[0028] The specific workings of this invention are as follows: Connect the suction port 1 5a, the air inlet 1 5c, the suction port 2 8a, and the air inlet 2 8f to different air pumps respectively. First, start machine 2 and begin regular weaving operations. During the weaving process, control the electrically driven turntable 16 to rotate the hollow collection plate 5 clockwise 180 degrees from a top-down perspective, then counterclockwise 180 degrees, repeating this process. Simultaneously, control the air pump to inject air into the hollow collection plate 5 through the air inlet 5c, and then blow air out from the inside to the outside of machine 2 through the air outlet 5d. This blows out the lint and dust generated by the yarn movement on the yarn frame from the inside to the outside. In the area where the air hole 5b is located, the air pump is controlled to provide suction to the air hole 5b on the hollow collection plate 5 through the air extraction port 5a. The lint and dust are sucked into the hollow collection plate 5 through the air extraction port 5b, and then extracted and collected through the air extraction port 5a. In this way, the present invention adopts the blowing method from the inside to the outside, which avoids the airflow blowing the dust and lint towards the middle of the large circular machine. Moreover, the airflow direction is from the inside to the outside, and the airflow is stable, so that the dust and lint can be successfully adsorbed, achieving a good dust removal effect.

[0029] Simultaneously, as the electrically driven turntable 16 rotates, the 7-moving block drives the hollow collection plate 28 to rotate 360 ​​degrees clockwise and then 360 degrees counterclockwise on the 6-guide rail from a top-down perspective, repeating this process. Furthermore, the rotation speed of the hollow collection plate 28 is higher than that of the hollow collection plate 15. At the same time, the control air pump injects air into the hollow collection plate 28 through the air inlet 28f, and then blows air out from the inside to the outside of the machine body 2 through the air outlet 28d. This blows out the lint and dust generated during the operation of the yarn on the yarn frame from the inside to the area where the air extraction hole 28b is located. Simultaneously, the control air pump, through the air extraction hole 28a... The suction hole 28b of the hollow collection plate 28 provides suction, which causes lint and dust to adhere to the surface of the hollow collection plate 28. When the hollow collection plate 28 rotates close to the hollow collection plate 15, the lint and dust attached to the surface of the hollow collection plate 28 will be sucked in by the suction hole 15b and enter the interior of the hollow collection plate 15 through the suction hole 15b, and then be extracted and collected through the suction port 15a. In this way, the hollow collection plate 28 collects lint and dust in advance, and the alternating movement of the hollow collection plate 15 and the hollow collection plate 28 can cover a larger area and achieve a better dust removal effect.

[0030] Since the air outlet 5d faces the outer side of the hollow collection plate 8, when the hollow collection plate 8 moves to the inner side of the hollow collection plate 5, the airflow blown out by the air outlet 5d will blow the lint and dust attached to the outer side of the hollow collection plate 8 to the area where the air extraction hole 5b is located, thus preventing the lint and dust from getting stuck on the outer side of the hollow collection plate 8 and being unable to be collected.

[0031] Because the cross-section of the hollow collection plate 28 is a trapezoid with a shorter inner section and a longer outer section, and several air extraction holes 38c are opened on the inclined surface of the hollow collection plate 28; while the suction force of the air extraction holes 28b adsorbs lint and dust onto the surface of the hollow collection plate 28, the air pump is controlled to provide suction force to the air extraction holes 38c of the hollow collection plate 28 through the air extraction port 28a. The suction force of the air extraction holes 38c adsorbs lint and dust onto the inclined surface of the hollow collection plate 28, increasing the adhesion area of ​​lint and dust on the hollow collection plate 28, improving the adsorption capacity and amount of lint and dust by the hollow collection plate 28, thereby improving the speed and effect of removing lint and dust.

[0032] During the weaving process, some of the lint will get tangled together, forming clumps of lint. These clumps of lint can easily clog the air extraction hole 5b, causing the removal of lint and dust to be interrupted. Therefore, this invention positions the third air extraction hole 8c away from the second air extraction hole 8b on the inclined surface of the second hollow collection plate 8. This prevents the suction force of the second air extraction hole 8b and the third air extraction hole 8c from becoming too concentrated, causing lint and dust to accumulate together. This reduces the adsorption force of the second air extraction hole 8b and the third air extraction hole 8c, and may even cause the second air extraction hole 8b and the third air extraction hole 8c to lose their adsorption capacity, thus affecting the removal of lint and dust. Furthermore, since the third air extraction hole 8c is far from the second air extraction hole 8b, the suction force of both the second air extraction hole 8b and the third air extraction hole 8c will exert a pulling force on the lint, thereby dispersing the clumps of lint and preventing the clumps of lint from clogging the first air extraction hole 5b, which would interrupt the removal of lint and dust. Example

[0033] Based on Example 1, such as Figure 1-5 and Figure 8 As shown, it also includes a hollow collection plate 3 9; the electrically driven turntable 16 is equipped with two symmetrically distributed hollow collection plates 3 9, and the hollow collection plates 3 9 are located inside the hollow collection plate 2 8; each hollow collection plate 3 9 has an air inlet 3 9a; each hollow collection plate 3 9 has several air outlets 4 9b on its outer side.

[0034] It also includes a partition 11, an interceptor plate 12, and a water pipe 13; each hollow collection plate 39 has a partition 11 fixedly connected inside; each hollow collection plate 39 and the corresponding side partition 11 are jointly fixedly connected to an interceptor plate 12, and the interceptor plate 12 faces the air outlet 5d, and the surface of the interceptor plate 12 is rough; the interceptor plate 12 is connected to the water pipe 13, and the water pipe 13 passes through the hollow collection plate 39 and connects to the outside; each hollow collection plate 39 has an outlet 9c; the partition 11 divides the interior of the hollow collection plate 39 into a humidified cavity 100 and a flow cavity 200, and the outlet 9c is connected to the humidified cavity 100, and the air inlet 39a, the flow cavity 200 and the air outlet 49b are interconnected.

[0035] The specific workings of this invention are as follows: Connect the air inlet 9a to the air pump; connect the water pipe 13 to the water pump; connect the outlet 9c to the pump. When collecting lint and dust through the air extraction port 5b, some lint will get stuck in the gap between adjacent air extraction ports 5b because there is a gap between them and all air extraction ports 5b have the same suction force. They cannot be sucked into the hollow collection plate 5. However, because the air outlet 5d is too far away from the air extraction port 5b, the airflow blown out by the air outlet 5d is not enough to blow away the lint stuck in the gap. When there is more and more lint in the gap, it will cause the adsorption capacity of the air extraction port 5b to decrease or cause the air extraction port 5b to become blocked. Therefore, the air pump injects air into the hollow collection plate 9 through the air inlet 9a, and then blows air out from the air outlet 9b toward the area of ​​the air extraction hole 5b. This airflow blows away the lint stuck in the gap between adjacent air extraction holes 5b, thereby drawing it into the hollow collection plate 5 and collecting it. This prevents the lint in the gap from increasing, which would reduce the adsorption capacity of the air extraction hole 5b or cause it to become blocked.

[0036] When the hollow collection plate 28 approaches the hollow collection plate 15, the airflow from the air outlet 49b will also blow the lint attached to the surface of the hollow collection plate 28 toward the area of ​​the air extraction hole 15b, so that the lint attached to the surface of the hollow collection plate 28 can be extracted and collected by the air extraction hole 15b more quickly, further improving the speed and effect of removing lint and dust.

[0037] It should be noted that when the air outlet 15d blows air out onto the outer side of the hollow collection plate 28, the lint attached to the outer side of the hollow collection plate 28 will be diffused outward, leaving the area where the hollow collection plate 15 is located and thus cannot be collected. Therefore, the present invention intercepts the lint blown down from the outer side of the hollow collection plate 8 by means of the intercepting plate 12 facing the air outlet 5d, so that the lint gathers on the intercepting plate 12. At the same time, the water pump is controlled to output water flow to the intercepting plate 12 through the water pipe 13, so that the water flow slowly flows inside the intercepting plate 12 and the humidifying cavity 100. The lint is moistened by the water flow, and the moistened lint will quickly gather together and the gravity will increase. Thus, under the action of the water flow and its own gravity, the moistened lint enters the humidifying cavity 100 from the intercepting plate 12 and is discharged from the outlet 9c. The pump extracts and collects the moistened lint discharged from the outlet 9c.

[0038] It should be noted that during the above process, the air that enters the hollow collection plate 39 through the air inlet 39a passes through the flow cavity 200 and is blown out from the air outlet 49b. The humidification cavity 100 and the flow cavity 200 do not affect each other. Example

[0039] Based on Example 2, such as Figure 1-2 and Figure 9-10 As shown, it also includes a cleaning plate 10 and rollers 14; the 7-moving block is provided with a cleaning plate 10; the cleaning plate 10 is rotatably connected to a number of symmetrically distributed rollers 14, and the rollers 14 are in contact with the inner side of the hollow collection plate 5.

[0040] It also includes a scraper 15; the cleaning plate 10 is fixed with a number of symmetrically distributed scrapers 15, and the scrapers 15 are in contact with the rollers 14 on the corresponding side; the cleaning plate 10 is provided with a drainage groove 10a.

[0041] The cleaning plate 10 has a water inlet 10b and a drainage channel 10c.

[0042] The specific workings of this invention are as follows: Connect the inlet 10b and the drainage trough 10c to different water pumps respectively; Although the lint has been pulled and dispersed through the second and third air extraction holes 8b and the airflow blown out through the fourth air outlet 9b to prevent the lint from getting stuck between the first air extraction holes 5b, the blockage of the first air extraction hole 5b is still unavoidable. Therefore, when the electrically driven turntable 16 rotates, the hollow collection plate 8 and the cleaning plate 10 are moved simultaneously on the guide rail 6 by the 7-moving block; when the roller 14 contacts the inner side of the hollow collection plate 5, the roller 14 will roll on the inner side of the hollow collection plate 5, so that the lint will adhere to the roller 14. As the roller 14 rolls, the lint adhering to the surface of the roller 14 will be scraped off by the scraper 15 into the drainage trough 10a. At the same time, the water pump is controlled to inject water into the drainage trough 10a through the water inlet 10b, so that the water flows slowly along the drainage trough 10a, wetting and gathering the lint in the drainage trough 10a, so that the wetted lint is discharged from the drainage trough 10c with the water flow, and then the water pump is used to extract and collect the wetted lint, thus avoiding the blockage of the air extraction hole 5b.

[0043] The above description is merely an embodiment of the present invention and is not intended to limit the present invention. All equivalent substitutions made within the principles of the present invention should be included within the scope of protection of the present invention. Contents not described in detail in this invention are existing technologies known to those skilled in the art.

Claims

1. A maintenance-friendly circular knitting machine, comprising a disc (1), an electrically driven turntable (16), and a machine body (2); the disc (1) is rotatably connected to the electrically driven turntable (16); the machine body (2) is mounted on the disc (1), and the machine body (2) is rotatably connected to the electrically driven turntable (16); characterized in that: It also includes a hollow collection plate 1 (5), a ring-shaped moving assembly, and a hollow collection plate 2 (8); a number of symmetrically distributed hollow collection plates 1 (5) are fixed to an electrically driven turntable (16); the electrically driven turntable (16) is equipped with a ring-shaped moving assembly; the ring-shaped moving assembly is provided with a number of symmetrically distributed hollow collection plates 2 (8), and the hollow collection plates 2 (8) are located inside the hollow collection plates 1 (5), and the ring-shaped moving assembly is used to drive the hollow collection plates 2 (8) to move in a ring; each hollow collection plate 1 (5) is provided with an air extraction port 1 (5a); each hollow collection plate 1 (5) is provided with a number of air extraction holes 1 (5b); each Each hollow collection plate 1 (5) has an air inlet 1 (5c); each hollow collection plate 1 (5) has several air outlets 1 (5d); each hollow collection plate 2 (8) has an air extraction port 2 (8a); each hollow collection plate 2 (8) has several air extraction holes 2 (8b); each hollow collection plate 2 (8) has an air inlet 2 (8f); each hollow collection plate 2 (8) has several air outlets 2 (8d); air outlet 1 (5d) and air outlet 2 (8d) are both located on the inner side of the yarn rack on the machine body (2); the diameter of air extraction hole 1 (5b) is much larger than that of air extraction hole 2 (8b); It also includes a hollow collection plate three (9); the electric drive turntable (16) is equipped with several symmetrically distributed hollow collection plates three (9), and the hollow collection plates three (9) are located inside the hollow collection plate two (8); each hollow collection plate three (9) has an air inlet three (9a); each hollow collection plate three (9) has several air outlet four (9b); It also includes a partition (11), an interceptor plate (12), and a water pipe (13); each hollow collection plate three (9) is fixedly connected to a partition (11); each hollow collection plate three (9) and the partition (11) on the corresponding side are jointly fixedly connected to an interceptor plate (12), and the interceptor plate (12) faces the air outlet one (5d), and the surface of the interceptor plate (12) is rough; the interceptor plate (12) is connected to the water pipe (13), and the water pipe (13) passes through the hollow collection plate three (9) and communicates with the outside; each hollow collection plate three (9) has an outlet (9c); the partition (11) divides the interior of the hollow collection plate three (9) into a humidified cavity (100) and a flow cavity (200), and the outlet (9c) is connected to the humidified cavity (100), and the air inlet three (9a), the flow cavity (200) and the air outlet four (9b) are interconnected.

2. The easily maintained circular knitting machine according to claim 1, characterized in that: The cross-section of the hollow collection plate 2 (8) is a trapezoid with a shorter inner section and a longer outer section. Several air extraction holes 3 (8c) are provided on the inclined surface of the hollow collection plate 2 (8).

3. The easily maintained circular knitting machine according to claim 2, characterized in that: The third air extraction hole (8c) is located away from the second air extraction hole (8b) on the inclined surface of the second hollow collection plate (8).

4. A maintenance-friendly circular knitting machine according to claim 2 or 3, characterized in that: Several air outlets 3 (8e) are provided on the inclined surface of the hollow collection plate 2 (8), and the air extraction hole 3 (8c) is located on the inclined surface of the hollow collection plate 2 (8) near the air outlet 2 (8d).

5. A circular knitting machine that is easy to maintain according to claim 4, characterized in that: The air outlet 1 (5d) faces the outer side of the hollow collection plate 2 (8).

6. The easily maintained circular knitting machine according to claim 1, characterized in that: It also includes a cleaning plate (10) and rollers (14); the annular moving assembly is provided with a cleaning plate (10); the cleaning plate (10) is rotatably connected to several symmetrically distributed rollers (14), and the rollers (14) are in contact with the inner side of the hollow collection plate (5). The annular moving assembly is used to drive the cleaning plate (10) and its connecting parts to move in annular motion.

7. A circular knitting machine that is easy to maintain according to claim 6, characterized in that: It also includes a scraper (15); the cleaning plate (10) is fixed with several symmetrically distributed scrapers (15), and the scrapers (15) are in contact with the rollers (14) on the corresponding side; the cleaning plate (10) has a drainage groove (10a).

8. A circular knitting machine that is easy to maintain according to claim 7, characterized in that: The cleaning plate (10) has an inlet (10b) and a drainage channel (10c).

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