A suction device for a spinneret and a spinning apparatus

Abstract

The application discloses a suction device for a spinneret and a spinning equipment. The suction device comprises a suction ring, the suction ring is provided with suction holes, the suction holes extend along the axial direction of the suction ring, the air inlet of the suction hole is arranged at the top end of the suction ring, and the air outlet is arranged at the bottom end of the suction ring. The bottom end of the suction ring is provided with a wind collecting pipe, the wind collecting pipe is arranged in a ring shape and coaxially arranged with the suction ring, a plurality of through holes are formed in the pipe wall of the wind collecting pipe, the through holes are arranged in one-to-one correspondence with the plurality of suction holes, the inner diameter of the wind collecting pipe is larger than the inner diameter of the suction hole, and an air ring for air compensation is arranged on the spinneret. The suction hole extends along the axial direction of the suction ring and is close to the spinneret, so that the gas sprayed from the spinneret can be absorbed more timely, all the suction rings are connected to the wind collecting pipe, the suction force is uniformly distributed to the suction holes by the wind collecting pipe, the uniformity of the suction force is further improved, the air ring can effectively compensate the suction force by air, and negative pressure is avoided in the sealed space.

Description

TECHNICAL FIELD

[0001] The present application relates to a dry spinning equipment technical field, more particularly, it relates to a suction device for spinneret and spinning equipment. BACKGROUND

[0002] The utility model discloses a spinning nozzle suction device, it includes outer ring, inner ring and suction chamber, outer ring is enclosed and is arranged below the spinneret, is provided with the notch on the outer ring, and the air inlet end of suction chamber is communicated with the notch, and the air outlet end of suction chamber is communicated with the fan and is arranged, and the inner ring is arranged between the outer ring and the outermost circle hole of spinneret, and the multilayer annular structure can realize the annular suction around the spinneret, and improves the overall suction effect.

[0003] The utility model discloses a spinning high -efficient low disturbance suction device, it includes a plurality of suction rings of multilayer coaxial sleeve setting, a plurality of suction rings all are located below the spinneret, and the innermost layer suction ring spacing is arranged in the outside of the outermost circle hole of spinneret, is set up in the suction hole on the suction ring, and the opening rate of each suction ring is gradually arranged from small to big by two sides from the middle, and the suction one side is provided with the air inlet, through setting up multilayer porous arc suction ring, improve the suction efficiency, reduce the disturbance to the sliver, improve the spinning quality.

[0004] The above two patents are directly sucked to the gas generated outside the spinneret, and the suction device and the spinning box outside the spinneret form a sealed space, which is not enough to provide suction power for the gas generated outside the spinneret, and the negative pressure is easily formed in the sealed space. In addition, the annular suction power is arranged on one side of the outer ring, although the opening rate of the air inlet is changed, but in the actual use process, the suction force is still uneven, and the spinning is inclined to the side where the suction power is arranged, which affects the quality of the yarn. SUMMARY

[0005] The technical problem to be solved by the present application is that the suction device is easy to form negative pressure in the sealed space formed with the spinning box, and the uniformity of the suction force needs to be further optimized, thereby providing a suction device for spinneret and spinning equipment, which is more uniform in suction force and has air compensation effect on the sealed space.

[0006] The technical solution adopted by the present application to solve the technical problem is:

[0007] A suction device for spinneret, comprising a suction ring, a plurality of suction holes are formed on the suction ring, the plurality of suction holes are evenly distributed in the circumferential direction of the axis of the suction ring, and the plurality of suction holes extend in the axial direction of the suction ring, the air inlets of the plurality of suction holes are arranged at the top end of the suction ring, and the air outlets of the plurality of suction holes are arranged at the bottom end of the suction ring.

[0008] The bottom end of the suction ring is provided with a wind collecting pipe, which is annular and coaxial with the suction ring, a plurality of through holes are formed in the wall of the wind collecting pipe and correspond to the suction holes one by one, and the inner diameter of the wind collecting pipe is larger than that of the suction holes.

[0009] The suction ring is installed below the spinneret, and the spinneret is provided with an air ring for air compensation.

[0010] Preferably, a plurality of side holes are formed in the inner wall of the suction ring, and the plurality of side holes are communicated with the suction holes.

[0011] Preferably, the plurality of side holes each include a first air hole and a second air hole, the first air hole and the second air hole are communicated and form a V shape, the first air hole is arranged above the second air hole, and the first air hole is inclined downward from top to bottom to the outer wall of the suction ring.

[0012] Preferably, the inner diameters of the plurality of side holes increase from bottom to top.

[0013] Preferably, the outer sides of the wind collecting pipe are each provided with a suction element, two partitions are arranged on the wind collecting pipe to divide the wind collecting pipe into a left air suction area and a right air suction area, and the two partitions are located at the centers of the two suction elements.

[0014] Preferably, a plurality of air holes are formed in the air ring, the plurality of air holes form a circular air jet area, and the inner diameter of the circular air jet area is larger than the inner diameter formed by the outermost circle of the jet holes of the spinneret.

[0015] Preferably, the device further includes a spoiler, the spoiler is located in the area surrounded by the suction ring, the spoiler is arranged below the spinneret, and a plurality of through holes are formed in the spoiler and correspond to the jet holes of the spinneret one by one.

[0016] The bottom side of the spoiler is provided with a movable element, the upper end surface of the movable element is provided with a hollow insertion pipe for inserting into the through holes, the hollow insertion pipe is arranged in a plurality of and corresponds to the through holes one by one, and the top end of the hollow insertion pipe is used to abut the lower end surface of the spinneret.

[0017] Preferably, the suction ring is circular or rectangular.

[0018] A spinning device includes the suction device for the spinneret as described above.

[0019] Preferably, the spinning device is a dry spinning machine.

[0020] The beneficial effect of the present application is that the suction holes are arranged close to the spinneret along the axial direction of the suction ring, so that the gas emitted from the spinneret can be absorbed more timely, and all the suction rings are connected to the air collecting pipe, so that the suction force is evenly distributed to the suction holes by the air collecting pipe, and the uniformity of the suction force is further improved, and the air ring can effectively compensate the suction force to avoid the formation of negative pressure in the sealed space. The spinning equipment using the suction device can produce smoother yarns. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 is a spinning flow chart;

[0022] Figure 2 is a position diagram of the spinning ring and the spinneret;

[0023] Figure 3 is a schematic diagram of the spinning ring;

[0024] Figure 4 is a schematic diagram of the spoiler in the spinning ring;

[0025] Figure 5 is a schematic diagram of the spoiler;

[0026] In the figure: 1, spinneret; 2, suction ring; 21, suction hole; 22, side hole; 221, first air hole; 222, second air hole; 3, air collecting pipe; 31, through hole; 32, partition; 4, spoiler; 41, through hole; 42, movable part; 421, hollow cannula; 5, air ring. DETAILED DESCRIPTION

[0027] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0028] It should be noted that, unless otherwise specified, all technical and scientific terms used in the present application have the same meaning as generally understood by those skilled in the art to which the present application belongs.

[0029] In the present application, unless otherwise stated, the orientation such as "up, down" is generally directed to the direction shown in the drawings, or to the vertical, perpendicular or gravity direction; similarly, for the convenience of understanding and description, "left, right" is generally directed to the left and right shown in the drawings; "inner, outer" refers to the inner and outer relative to the contour of each component, but the above orientation words are not used to limit the present application.

[0030] According to Figures 1-5As shown in the drawings, a suction device for a spinneret 1 comprises a suction ring 2, which is installed below the spinneret and is arranged in a sealed space in which the spinneret is arranged. The suction ring 2 is provided with a plurality of suction holes 21, which are uniformly distributed around the axis of the suction ring 2 and extend along the axial direction of the suction ring 2. The air inlets of the suction holes 21 are arranged at the top end of the suction ring 2, and the air outlets of the suction holes 21 are arranged at the bottom end of the suction ring 2. The bottom end of the suction ring 2 is provided with a wind collecting pipe 3, which is arranged coaxially with the suction ring 2 and is in the form of a ring. The wind collecting pipe 3 is provided with a plurality of through holes 31, which are arranged in one-to-one correspondence with the suction holes 21. The inner diameter of the wind collecting pipe 3 is larger than that of the suction holes 21. The suction ring 2 is installed below the spinneret 1, and the spinneret 1 is provided with an air ring 5 for air compensation.

[0031] According to Figure 3 As shown in the drawings, the inner wall of the suction ring 2 is provided with a plurality of rows of side holes 22, which are in communication with the suction holes 21. Each row of side holes 22 comprises a first air hole 221 and a second air hole 222, which are in communication and form a V shape. The first air hole 221 is arranged above the second air hole 222 and is inclined downward from top to bottom towards the outer wall of the suction ring 2. The inner diameter of each row of side holes 22 increases from bottom to top. The outer two sides of the wind collecting pipe 3 are provided with suction elements. The wind collecting pipe 3 is provided with two partitions 32, which divide the wind collecting pipe 3 into a left air suction area and a right air suction area and are located at the center of the two suction elements. The air ring 5 is provided with a plurality of air holes, which form a circular air jet area with an inner diameter larger than that formed by the outermost circle of the spinneret holes of the spinneret 1.

[0032] In succession Figure 3 As shown in the drawings, because the gas carried by the spinning thread is the most when the spinning thread is just ejected from the spinneret 1, the closer the side hole 22 is to the spinneret 1, the larger the aperture of the side hole 22. This also avoids the dispersion of suction force by the lower row of side holes 22 during suction. The axial cross section of the side hole 22 is in the form of a V shape, and the lower second air hole 222 and the upper second air hole 222 form an impact in the suction hole 21, which avoids the disorderly winding of the spinning thread caused by excessive suction force. The two sides of the wind collecting pipe 3 are provided with suction elements, i.e. suction pumps, and the partitions 32 are arranged to avoid interference of the airflow in the wind collecting pipe 3, thereby achieving the effect of uniform suction. The air ring 5 is arranged to compensate for the air pressure in the sealed space. It should be noted that the circular spinneret 1 is taken as an example. The spinneret 1 is provided with a plurality of circles of spinneret holes, each circle of spinneret holes is provided with a plurality of spinneret holes, and the plurality of circles of spinneret holes are arranged close to the outer circle of the spinneret 1. The inner circle of the spinneret 1 is fixedly connected to the fluid channel of the spinning equipment by means of bolts. The air ring 5 is also arranged at the inner circle of the spinneret 1 and vertically downwardly and intermittently ejects compensation gas.

[0033] According to Figures 3-5 As shown in the drawings, the suction device further comprises a spoiler 4 located in the area surrounded by the suction ring 2, the spoiler 4 is arranged below the spinneret 1, and a plurality of through holes 41 are arranged on the spoiler 4 in one-to-one correspondence with the jet holes on the spinneret 1. The bottom side of the spoiler 4 is provided with a movable part 42, the upper end surface of the movable part 42 is provided with a hollow insertion pipe 421 for inserting into the through hole 41, the hollow insertion pipe 421 is provided with a plurality of hollow insertion pipes 421, and is arranged in one-to-one correspondence with the through hole 41, and the top end of the hollow insertion pipe 421 is used to abut against the lower end surface of the spinneret 1.

[0034] In succession Figures 4-5 As shown in the drawings, the spoiler 4 is located directly below the spinneret 1, and the distance is 30-50CM. The spoiler 4 is arranged on one side to make the atomized gas sprayed by the spinneret 1 be fully extracted, and on the other side to form a spoiler in the sealed space in cooperation with the air ring 5. The distance between the spoilers 4 is adjusted according to the actual spinning situation, so that the spoiler is kept at a low level, so that the air pressure in the sealed hole is balanced, and the spinning is cooled at the same time without causing large amplitude shaking of the spinning. The movable part 42 is only used in the initial spinning, so as to make the spinning on the spinneret 1 pass through the through hole 41 smoothly, and then the movable part 42 can be removed from the spoiler 4.

[0035] A spinning device comprising a suction device for the spinneret 1 as described above. The spinning device in the present application is a dry spinning machine.

[0036] In combination Figures 1-5 As shown in the drawings, the suction ring 2 is arranged in a circular or rectangular shape. The suction holes 21 are arranged close to the spinneret 1 along the axial direction of the suction ring 2, which can more timely absorb the gas sprayed by the spinneret 1. In addition, all the suction rings 2 are connected to the air collecting pipe 3, and the air collecting pipe 3 uniformly distributes the suction force to the suction holes 21, further improving the uniformity of the suction force. The air ring 5 can effectively compensate for the suction force by air, avoiding the formation of negative pressure in the sealed space.

[0037] It should be noted that the terms used herein are only intended to describe specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, the singular form is intended to include the plural form unless the context clearly indicates otherwise, and it should be understood that when the terms "comprise" and / or "include" are used in the specification, there is a presence of the features, steps, operations, devices, components and / or combinations thereof.

[0038] It should be noted that the terms "first", "second", and the like, used in the description and in the claims of the present application as well as above-mentioned figures are used to distinguish between similar objects and not necessarily for describing a specific sequential or chronological order. It is to be understood that the use of data so designated is not meant to limit a given item described by such data to the same category as other data designated by the same designations, but instead is so designated only for convenience as a means of discriminating between the two series of items that refer to a same data.

[0039] The preferred embodiments of the application described herein are examples of the present application and are not intended to limit the scope of the application. Various modifications and changes can be made thereto by those skilled in the art which freely adapt to the idea and principles of the application, without departing from the spirit and scope thereof, and it is to be understood that such modifications and changes are to be included within the scope of the application as defined by the appended claims.

Claims

1. A suction device for a spinneret, comprising a suction ring (2), characterized in that: The suction ring (2) has a plurality of suction holes (21), which are evenly distributed around the axis of the suction ring (2) and extend along the axial direction of the suction ring (2). The air inlets of the suction holes (21) are all located at the top of the suction ring (2), and the air outlets of the suction holes (21) are all located at the bottom of the suction ring (2). The bottom end of the suction ring (2) is provided with an air collecting pipe (3). The air collecting pipe (3) is arranged in a ring shape and is coaxial with the suction ring (2). Several through holes (31) are opened on the pipe wall of the air collecting pipe (3), and the through holes (31) correspond one-to-one with the suction holes (21). The inner diameter of the air collecting pipe (3) is larger than the inner diameter of the suction holes (21). The suction ring (2) is installed below the spinneret (1), and the spinneret (1) is provided with an air compensation ring (5). It also includes a spoiler (4), which is located in the area enclosed by the suction ring (2). The spoiler (4) is set below the spinneret (1) and has through holes (41) that correspond one-to-one with the spinneret holes on the spinneret (1). The bottom side of the spoiler (4) is provided with a movable part (42). The upper end surface of the movable part (42) is provided with a hollow tube (421) for insertion into the through hole (41). There are several hollow tubes (421) and they are arranged one by one with the through hole (41). The top end of the hollow tube (421) is used to abut against the lower end surface of the spinneret (1). The inner wall of the suction ring (2) has multiple rows of side holes (22), and all of the multiple rows of side holes (22) are connected to the suction hole (21); Each of the multiple rows of side holes (22) includes a first air hole (221) and a second air hole (222). The first air hole (221) communicates with the second air hole (222) and forms a V-shape. The first air hole (221) is located above the second air hole (222). The first air hole (221) is inclined from top to bottom toward the outer wall of the suction ring (2). The inner diameter of the multiple rows of side holes (22) increases sequentially from bottom to top.

2. The suction device for spinnerets according to claim 1, characterized in that: Both sides of the air collection pipe (3) are provided with suction elements for suction. The air collection pipe (3) is provided with two partitions (32) to divide the air collection pipe (3) into a left suction area and a right suction area, and the two partitions (32) are located at the center of the two suction elements.

3. The suction device for a spinneret according to claim 1, characterized in that: The air ring (5) has several air holes, which together form a circular jet zone. The inner diameter of the circular jet zone is larger than the inner diameter formed by the outermost ring of the spinneret (1).

4. The suction device for a spinneret according to claim 3, characterized in that: The suction ring (2) is set to be circular or rectangular.

5. A spinning device, characterized in that: Includes the suction device for spinnerets as described in any one of claims 1-4.

6. The spinning equipment according to claim 5, characterized in that: The spinning equipment is a dry spinning machine.

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