Air suction pipe structure and negative pressure permeation production line

Abstract

The utility model discloses an air suction pipe structure which comprises an air suction pipe body, an air inlet is formed in the air suction pipe body in the length direction of the air suction pipe body, and an air suction opening is formed in the side face of the air suction pipe body. The length of the air inlet is not smaller than the breadth of fabric, an air inlet grille is horizontally installed in the air inlet and is provided with an air inlet grille body, a plurality of air guide pieces are vertically installed on the upper surface of the air inlet grille body, and the air guide pieces are arranged in parallel at intervals in the length direction of the air inlet. The air suction pipe structure is applied to the negative pressure permeation machine, the negative pressure permeation machine and a padder form a novel negative pressure permeation production line, the downward permeation speed of dye on fabric can be increased, uniform permeation of the fabric is achieved, and the product quality is improved.

Description

Technical Field

[0001] This utility model relates to the field of textile printing and dyeing equipment, and in particular to a suction pipe structure and a negative pressure permeation production line. Background Technology

[0002] Currently, heavy-duty fabrics (300g / m²) are available on the market. 2 (The above) Both rotary screen printing and digital printing suffer from insufficient ink penetration. Chinese utility model patent CN202222214591.5 discloses a device and printing production line for enhancing dye penetration, including a negative pressure penetration mechanism and a suction mechanism. The negative pressure penetration mechanism generates negative pressure by drawing air from the conveying mechanism, causing the dye on the fabric to penetrate downwards. The top of the negative pressure penetration mechanism has an air extraction hole, and the top of the air extraction hole has an adjusting plate for adjusting the size of the air extraction hole. The suction mechanism is connected to the negative pressure penetration mechanism to extract air. This structure utilizes the negative pressure penetration mechanism to accelerate ink penetration to some extent, but the penetration efficiency and the uniformity of dye penetration still have room for improvement. Utility Model Content

[0003] The purpose of this utility model is to provide a suction pipe structure.

[0004] The technical solution to achieve the first objective of this utility model is: a suction pipe structure, comprising a suction pipe body, an air inlet arranged along its length, and a suction port arranged on the side of the suction pipe body; the length of the air inlet is not less than the width of the fabric, an air inlet grille is horizontally installed inside the air inlet, the air inlet grille has an air inlet grille body, and several air guide vanes are vertically installed on the upper surface of the air inlet grille body, with each air guide vane arranged parallel and spaced apart along the length of the air inlet. The air inlet grille and the air guide vanes perpendicular to the air inlet grille allow the air to move downwards perpendicular to the fabric surface, improving the speed of dye penetration.

[0005] Furthermore, several first reinforcing ribs are installed parallel to each other along the length of the air inlet inside the air intake pipe body. The air intake grille body includes two long rods and several partition plates. The two long rods are parallel to the length of the air inlet and are horizontally fixed to the upper surface of the first reinforcing ribs. The partition plates are laid parallel to each other along the length of the air inlet between the two long rods. The air guide plates are fixed to both sides of the partition plates, and a hollow section is formed between adjacent partition plates. The partition plates and the air guide plates on both sides of the partition plates form a C-shaped channel, which facilitates the processing of the air intake grille. The same air intake area requires less material, while the first reinforcing ribs ensure the strength of the air intake pipe body and provide effective support for the air intake grille.

[0006] Furthermore, the partition plate and the air guide plates on both sides of the partition plate are integrally formed, which facilitates the assembly of the air inlet grille.

[0007] Furthermore, the separators are evenly spaced along the length of the air inlet. This improves the uniformity of fabric penetration. Further, a perforated plate is installed above the air inlet grille, the surface of which covers the air inlet. Several perforations are evenly distributed on the perforated plate, and the area of ​​each perforation is smaller than the area of ​​the openwork portion. This helps to increase air pressure, thereby improving penetration efficiency.

[0008] Furthermore, support arms extend downward from both sides of the perforated plate, and the support arms are fixedly connected to the upper surface of the air guide plate.

[0009] Furthermore, the air inlet is a constricted opening with a cross-sectional area that gradually decreases in the opposite direction of the airflow. This helps to increase air pressure, thereby improving permeability efficiency.

[0010] The suction pipe structure achieved by this utility model has an air inlet grille and a guide vane perpendicular to the air inlet grille, which allows the air to move downward perpendicular to the fabric surface, thereby increasing the speed at which dyes penetrate downward on the fabric.

[0011] The second objective of this utility model is to provide a negative pressure permeation production line.

[0012] The technical solution to achieve the second objective of this utility model is a negative pressure permeation production line, which includes a negative pressure permeation mechanism and a rolling mill arranged sequentially along the fabric running path. The negative pressure permeation mechanism includes a conveyor belt installed on the frame, and the suction pipe structure described in the first objective of this utility model is installed below the conveyor belt.

[0013] Furthermore, a cover plate is installed above the conveyor belt.

[0014] The negative pressure permeation production line, which achieves the second objective of this utility model, performs two permeation processes. After the fabric is uniformly permeated by the negative pressure permeation mechanism, it is then pressed by a rolling mill to ensure that the dye is evenly distributed on the fabric, thereby improving product quality. Attached Figure Description

[0015] Figure 1 This is a top view of the suction pipe structure described in an embodiment of the present invention;

[0016] Figure 2 for Figure 1 A schematic diagram of the AA-direction cross-section; where the arrows represent the airflow direction;

[0017] Figure 3 for Figure 1 Enlarged structural diagram of part B

[0018] Figure 4This is a partial perspective view of the air intake pipe structure described in an embodiment of the present invention.

[0019] Figure 5 for Figure 4 A magnified structural diagram of part B.

[0020] Figure 6 This is a schematic diagram of the negative pressure permeation production line shown in an embodiment of the present invention, wherein the arrows represent the fabric running path. Detailed Implementation

[0021] The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings. Example 1

[0022] like Figures 1 to 5 As shown, a suction pipe structure includes a suction pipe body 1, an air inlet 11 arranged along its length, and an air inlet 12 arranged on the side of the suction pipe body 1. The air inlet 11 is a constricted shape with a cross-sectional area that gradually decreases in the opposite direction of the airflow. The length of the air inlet 11 is not less than the width of the fabric. An air inlet grille 2 is horizontally installed inside the air inlet 11. The air inlet grille has an air inlet grille body, which includes two long rods 21 and several partition plates 22. The two long rods 21 are parallel to the length direction of the air inlet 11. Inside the air intake pipe body 1, several first reinforcing ribs 3 are installed parallel to each other along the length direction of the air inlet 11. Two long rods 21 are horizontally fixed on the upper surface of the first reinforcing ribs 3. The partition plates 22 are laid parallel to each other and at equal intervals along the length direction of the air inlet 11 between the two long rods 21. A guide plate 23 is provided on both sides of each partition plate 22. The guide plate 23 is perpendicular to the partition plate 22. Each guide plate 23 is arranged along the length direction of the air inlet 11. A hollow part 24 is formed between adjacent partition plates 22.

[0023] Furthermore, a perforated plate 4 is installed above the air inlet grille 2, the surface of the perforated plate 4 covers the air inlet 11, and support arms 41 extend downward from both sides of the perforated plate 4. The support arms 41 are fixedly connected to the upper surface of the air guide plate 23. Several perforations 42 are evenly opened on the perforated plate 4, and the area of ​​the perforations 42 is smaller than the area of ​​the hollow part 24.

[0024] In this embodiment, the separator and the air guide are integrally formed C-shaped steel.

[0025] When assembling the air intake pipe, firstly, slots are made on both sides of the air intake pipe body. Then, reinforcing ribs are inserted into the air intake pipe body through the slots from the side and welded to fix them. Next, C-shaped steels are welded to the long rod one by one to form an air intake grille. Then, the long rod and reinforcing ribs are welded to fix them. Finally, the perforated plate is welded to the air intake grille.

[0026] In use, the suction pipe is installed below the conveyor belt carrying the fabric, and the suction pipe body is connected to the suction mechanism pipe. Then, the suction mechanism is activated. Air from below the fabric sequentially passes through the mesh plate and the air inlet grille into the suction pipe body, and is then extracted through the pipe connected to the suction mechanism. During the extraction process, the separator and the air guide plates on both sides of the separator form a C-shaped channel, which vertically guides the air into the suction pipe body, increasing the speed at which dye penetrates downwards on the fabric, and the air inlet grille achieves a uniform penetration effect. Example 2

[0027] A negative pressure permeation production line includes a negative pressure permeation mechanism 10 and a rolling mill 20 arranged sequentially along the fabric running path. The negative pressure permeation mechanism 10 includes a conveyor belt (not shown) mounted on a frame 100. A suction pipe structure 101 is installed below the conveyor belt as described in Embodiment 1. A cover plate 102 is installed above the conveyor belt.

[0028] The air intake grille structure described in this utility model is not limited to the embodiment shown. The partition plate and the air guide plates on both sides of the partition plate form a C-shaped channel. Alternatively, one-piece molded C-shaped steel can be purchased to facilitate the processing of the air intake grille. The same air suction area requires less material. At the same time, the first reinforcing rib ensures the strength of the air suction pipe body and provides effective support for the air intake grille.

[0029] The perforated plate is set as needed. A sufficiently dense air intake grille can also increase wind pressure, but adding a perforated plate is more conducive to increasing wind pressure.

[0030] The shape of the air inlet is not limited to that shown in the embodiment. A constricted shape with a cross-sectional area that gradually decreases in the opposite direction of the airflow is beneficial to increasing the air pressure, thereby improving the permeability efficiency.

[0031] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent process transformations made using the content of this utility model specification, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A suction pipe structure, comprising a suction pipe body, characterized in that: The air intake pipe body has an air inlet along its length direction, and the air intake port is provided on the side of the air intake pipe body; the length of the air inlet is not less than the width of the fabric, and an air intake grille is horizontally installed inside the air inlet. The air intake grille has an air intake grille body, and several air guide vanes are vertically installed on the upper surface of the air intake grille body. Each air guide vane is arranged parallel to each other at intervals along the length direction of the air inlet.

2. The suction pipe structure according to claim 1, characterized in that: The air intake pipe body has several first reinforcing ribs installed parallel to each other along the length of the air inlet. The air intake grille body includes two long rods and several partition plates. The two long rods are parallel to the length of the air inlet. The two long rods are horizontally fixed on the upper surface of the first reinforcing ribs. The partition plates are laid parallel to each other along the length of the air inlet between the two long rods. The air guide plates are fixed on both sides of the partition plates. A hollow part is formed between adjacent partition plates.

3. The suction pipe structure according to claim 2, characterized in that: The separator and the air guide vanes on both sides of the separator are integrally formed.

4. The suction pipe structure according to claim 3, characterized in that: The separators are evenly spaced along the length of the air inlet.

5. The suction pipe structure according to claim 3, characterized in that: A perforated plate is installed above the air inlet grille, and the surface of the perforated plate covers the air inlet. Several perforations are evenly distributed on the perforated plate, and the area of ​​the perforations is smaller than the area of ​​the hollowed-out portion.

6. The suction pipe structure according to claim 5, characterized in that: Support arms extend downward from both sides of the perforated plate, and the support arms are fixedly connected to the upper surface of the air guide plate.

7. The suction pipe structure according to claim 1, characterized in that: The air inlet is a constricted opening whose cross-sectional area gradually decreases in the opposite direction of the airflow.

8. A negative pressure osmosis production line, comprising a negative pressure osmosis machine, characterized in that, It includes a negative pressure permeation mechanism and a rolling mill arranged sequentially along the fabric running path. The negative pressure permeation mechanism includes a conveyor belt mounted on the frame, and the suction pipe structure of claim 1 is installed below the conveyor belt.

9. The negative pressure permeation production line according to claim 8, characterized in that, A cover plate is installed above the conveyor belt.

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