Paper pulp wire edge forming device

Abstract

This utility model relates to the field of papermaking equipment technology and provides a pulp wire edge forming device, including a mounting frame with a water needle nozzle and a blowing device. The water needle nozzle is covered with a conical component. The conical component converges to a point near the center of the paper side. The conical component is provided with a clearance hole for water jets. The blowing device blows air in a direction parallel to the curved surface of the conical component. In this way, this utility model can cut paper and prevent pulp and paper fibers from adhering to the water needle nozzle and clumping together, which helps to avoid impurities such as pulp and paper fibers from affecting paper cutting.

Description

Technical Field

[0001] This utility model relates to the field of papermaking equipment technology, and in particular to a pulp wire edge forming device. Background Technology

[0002] Chinese Patent Document No.: CN209412601U, Patent Title: A Water Needle for Edge Fixing and Paper Web Trimming Device. The water needle for edge fixing includes: a water needle body and a guide device. The guide device is sleeved on the outside of the water needle nozzle, and at least one guide element is provided on the side of the guide device away from the finished paper. This application, by sleeved a guide device on the outside of the water needle nozzle and providing a guide element on the guide device, can guide water droplets on the surface of the water needle for edge fixing and drip them onto the side of the recycled paper, thereby avoiding water droplets falling onto the finished paper during the production process and preventing the impact on the surface smoothness and quality of the paper web.

[0003] Although the drainer in the above patent can drain the slurry, its draining capacity is limited. When it cannot drain in time, it is easy to overflow and contaminate the produced paper. At the same time, paper fibers are very easy to stick to the drainer. It is difficult to remove the paper fibers by relying solely on the drainer. When the paper fibers accumulate into a clump, the clump of paper fibers falls into the path of the water jet cutting, which can easily lead to cutting failure. Cutting failure can easily cause paper breakage. Utility Model Content

[0004] To address the aforementioned shortcomings, the present invention aims to provide a pulp wire edge forming device that can cut paper, preventing pulp and paper fibers from adhering to the water jet nozzle and accumulating into clumps, thus avoiding impurities such as pulp and paper fibers from affecting paper cutting; the conical part can act as a guide to prevent pulp and other impurities from dripping onto the cut part of the paper; the blowing device can form a flowing air wall on the conical side, preventing or reducing the adhesion of paper fibers and pulp to the conical side, thereby preventing paper fibers from accumulating into clumps.

[0005] To achieve the above objectives, this utility model provides a pulp wire edge forming device, including a mounting frame with a water jet nozzle and a blowing device. The water jet nozzle is covered with a conical component. The conical component converges to a point near the center of the paper side. The conical component is provided with a clearance hole for water jets to be sprayed out. The blowing device blows air in a direction parallel to the curved surface of the conical component.

[0006] According to the pulp wire edge forming device of this utility model, the central axis of the conical part is set horizontally.

[0007] According to the pulp wire edge forming device of this utility model, the water jet nozzle is perpendicular to the paper.

[0008] According to the pulp wire edge forming device of this utility model, the water needle nozzle is connected to a high-pressure water pump, and a guide portion extending along the curved surface of the conical part is provided below the vertical plane of the conical part.

[0009] According to the pulp wire edge forming device of this utility model, an inclined surface is provided above the flow guide.

[0010] According to the pulp wire edge forming device of this utility model, the outer side of the conical part is coated with an anti-stick coating.

[0011] This utility model provides a pulp wire edge forming device, including a mounting frame for mounting water jet nozzles and a blowing device. The mounting frame is used to install and fix the water jet nozzles. The water jet nozzles are covered with a conical component, which prevents paper fibers from adhering to the nozzles. The outer surface of the conical component is smoother, facilitating the movement and detachment of paper fibers or pulp. The conical component converges to a center point near the paper, allowing paper fibers to move away from the paper along the curved surface of the conical component under the influence of gravity, thus preventing... Paper fibers fall onto the paper; the conical part has a clearance hole on its side for water jet spraying, which facilitates water jet spraying and prevents the presence of the conical part from affecting the water jet spraying; the direction of the air blown by the blower is parallel to the curved surface of the conical part, and the air blown by the blower can form an enveloping air wall on the curved surface of the conical part, which helps to prevent paper fibers, pulp and other substances from adhering to the conical part and gathering into clumps, thus helping to prevent clumps of paper fibers from falling off and affecting the cutting effect, and at the same time, it can easily blow away the paper fibers adhering to the curved surface of the conical part. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the conical part and other structural components of this utility model;

[0013] Figure 2 This is a front view of the conical part and other components of this utility model;

[0014] Figure 3 It is a sectional view of the structure of parts such as the conical component;

[0015] In the diagram: 1-mounting bracket, 2-conical part, 3-flow guide, 4-sloping surface, 5-water needle nozzle, 6-high pressure resistant water pipe, 7-avoidance hole. Detailed Implementation

[0016] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely for explaining the present utility model and are not intended to limit the present utility model.

[0017] See Figures 1-3This utility model provides a pulp wire edge forming device, which includes a mounting frame 1 with a water needle nozzle 5 and a blowing device. The mounting frame 1 is used to install the water needle nozzle 5 in a designated position, and the blowing device is used to drive airflow to facilitate the formation of a flowing air wall on the surface of the conical part 2, preventing paper fibers and pulp from contacting the conical curved surface of the conical part 2. The water needle nozzle 5 is connected to a high-pressure water pump, and the water needle nozzle 5 and the high-pressure water pump are connected by a high-pressure resistant water pipe 6. The high-pressure water pump can drive water movement to form high-pressure water, which is sprayed out through the water needle nozzle 5 to form a water column, which can cut the paper.

[0018] The water jet nozzle 5 is externally covered by a conical component 2. The surface of the conical component 2 is smooth, and its tapered shape facilitates water flow. The water jet converges towards a central point near the paper. A clearance hole 7 is provided on the side of the conical component 2 to allow the water jet to exit. The clearance hole 7 prevents the conical component 2 from obstructing the water jet, facilitating its exit. The airflow from the blowing device is parallel to the curved surface of the conical component 2 (the airflow direction is as follows). Figure 2 (As indicated by the arrow in the image), the flowing air covers the entire conical surface. The flowing air wall covering the conical surface can prevent paper fibers, pulp, and other substances from adhering to the conical surface. (When the pulp crosses the air wall, the flowing air can also blow the pulp away from the tip of the conical part, preventing the pulp from falling onto the cut part of the paper.)

[0019] See Figures 1-3 Furthermore, the central axis of the conical component 2 of this invention is horizontally positioned, and the water jet nozzle 5 is perpendicular to the paper, facilitating the cutting of the paper by the water jet. A guide section 3, extending along the curved surface of the conical component 2, is provided below the vertical surface of the conical component 2. The guide section 3 helps to reduce the overall length of the conical component 2, making it easier to guide pulp, paper fibers, and other materials away from the paper cutting position. An inclined surface 4 is provided above the guide section 3, which allows the pulp and paper fibers to slide down under gravity. The outer side of the conical component 2 is coated with an anti-stick coating (e.g., Teflon coating), which helps to reduce the adhesion of paper fibers.

[0020] In summary, this utility model provides a pulp wire edge forming device, including a mounting frame for mounting water needle nozzles and a blowing device. The mounting frame is used to install and fix the water needle nozzles. The water needle nozzles are covered with a conical component, which prevents paper fibers from adhering to the nozzles. The outer surface of the conical component is smoother, facilitating the movement and detachment of paper fibers or pulp. The conical component converges to a center point near the paper, allowing paper fibers to move away from the paper along the curved surface of the conical component under the influence of gravity. To prevent paper fibers from falling onto the paper, the conical part has clearance holes on its side for water jets. These clearance holes facilitate the water jet's exit and prevent the conical part from interfering with the water jet's exit. The air blown out by the air blower is parallel to the curved surface of the conical part. The air blown out by the air blower forms an enveloping air wall on the curved surface of the conical part, which helps prevent paper fibers, slurry, and other substances from adhering to the conical part and accumulating into clumps. This helps prevent clumps of paper fibers from falling off and affecting the cutting effect. At the same time, it can easily blow away paper fibers adhering to the curved surface of the conical part.

[0021] Of course, there may be other embodiments of this utility model. Without departing from the spirit and essence of this utility model, those skilled in the art can make various corresponding changes and modifications based on this utility model, but these corresponding changes and modifications should all fall within the protection scope of the appended claims of this utility model.

Claims

1. A pulp wire edge forming device, characterized in that, The device includes a mounting bracket with a water needle nozzle and a blowing device. The water needle nozzle is covered with a conical component. The conical component converges to a point near the center of the paper side. The conical component is provided with a clearance hole for the water jet to be sprayed out. The blowing device blows air in a direction parallel to the curved surface of the conical component.

2. The pulp wire edge forming device according to claim 1, characterized in that, The central axis of the conical component is set horizontally.

3. The pulp wire edge forming device according to claim 2, characterized in that, The water jet nozzle is perpendicular to the paper.

4. The pulp wire edge forming device according to claim 2, characterized in that, The water needle nozzle is connected to a high-pressure water pump, and a guide section extending along the curved surface of the conical component is provided below the vertical plane of the conical component.

5. The pulp wire edge forming device according to claim 4, characterized in that, An inclined surface is provided above the flow guide.

6. The pulp wire edge forming device according to claim 1, characterized in that, The outer side of the conical part is coated with an anti-stick coating.

Images