Wear-resistant sizing roller for paper machine

Abstract

The wear-resistant sizing roller comprises a metal core and a roller neck, the middle position of the outer wall of the metal core is fixedly connected with the roller neck, the outer wall of one side of the metal core is fixedly connected with a circular ring block, and a cavity is formed in the circular ring block in a penetrating mode. Air inlet holes are formed in the outer wall of one end of the cavity in a surrounding and penetrating mode, air inlet blades are fixedly connected to the positions, opposite to the air inlet holes, of the outer wall of the circular ring block, exhaust holes are formed in the inner wall of one side of the circular ring block in a cross-shaped and penetrating mode, and one ends of the exhaust holes extend out of the metal core in a penetrating mode. Fixing blocks are fixedly connected to the positions, opposite to the exhaust holes, of the outer wall of the other end of the metal core, a sliding groove is formed in the outer wall of one end of each fixing block in a penetrating mode, heat generated when the metal core works can be dissipated through airflow, the temperature of the metal core is reduced, the situation that the gluing effect is affected due to the fact that the temperature of the metal core is too high is prevented, and meanwhile dust can be prevented from entering the exhaust holes; and the heat dissipation effect is influenced.

Description

Technical Field

[0001] This utility model relates to the field of sizing roller technology, specifically a wear-resistant sizing roller for papermaking machines. Background Technology

[0002] A paper machine is a large-scale mechanized equipment used to manufacture paper. It transforms fibrous raw materials into paper with a certain strength and quality through a series of complex processes. The core parts of a paper machine include the wire section, press section, drying section, and winding section. The sizing roller is an important component of the paper machine, mainly used to evenly coat the sizing agent onto the surface of the paper.

[0003] The application roller generates high temperatures when rotating to apply glue. These high temperatures accelerate the chemical reaction of the roller material, leading to material deterioration. Under high-temperature conditions, the rubber material on the surface of the roller may lose its elasticity and become brittle, thus accelerating the aging process and affecting the coating effect of the glue. Therefore, it is necessary to propose a wear-resistant application roller for papermaking machines. Utility Model Content

[0004] The purpose of this invention is to provide a wear-resistant sizing roller for a papermaking machine to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a wear-resistant sizing roller for a papermaking machine, comprising a metal core and a roller neck, wherein a roller neck is fixedly connected to the middle position of the outer wall of the metal core, and a circular ring block is fixedly connected to one side of the outer wall of the metal core, wherein a cavity is formed through the interior of the circular ring block, and an air inlet hole is formed through the outer wall of one end of the cavity in a circumferential manner, and air inlet blades are fixedly connected to the outer wall of the circular ring block at positions relative to the air inlet hole;

[0006] One side of the inner wall of the ring block has a cross-shaped exhaust hole. One end of the exhaust hole extends through to the outside of the metal core. The other end of the outer wall of the metal core is fixedly connected to a fixing block at a position relative to the exhaust hole. One end of the outer wall of the fixing block has a sliding groove. The inner wall of the sliding groove is slidably connected to a dustproof block. The outer wall of the metal core is fixedly connected to a hard adhesive layer. The outer wall of the hard adhesive layer is fixedly connected to an outer layer of adhesive. The inner wall of the air inlet is fixedly connected to a dustproof mesh.

[0007] Preferably, a spring is fixedly connected to the inner wall of the chute, and the other end of the spring abuts against the dustproof block.

[0008] Preferably, a sealing block is fixedly connected to one end of the outer wall of the dustproof block, and the sealing block abuts against the metal core.

[0009] Preferably, the inner wall of the chute is provided with a groove, and one end of the dustproof block extends into the groove.

[0010] Preferably, the fixing block is arranged in a cross shape.

[0011] Compared with the prior art, the beneficial effects of this utility model are as follows: the roller neck drives the metal core and the ring block to rotate, the ring block drives the air intake blades to rotate, the airflow enters the ring block through the air intake hole, the metal core synchronously drives the fixed block to rotate, and the dustproof block moves outward under the action of centrifugal force, exposing the exhaust hole, and the airflow is discharged through the exhaust hole. When the airflow passes through the metal core, it dissipates the heat generated by the metal core and reduces the temperature of the metal core. When the metal core stops rotating, the spring pushes the dustproof block to block the exhaust hole, preventing dust from entering the exhaust hole. The heat generated by the metal core during operation can be dissipated through the airflow, reducing the temperature of the metal core and preventing the metal core temperature from being too high, which would affect the coating effect. At the same time, it can prevent dust from entering the exhaust hole and affecting the heat dissipation effect. Attached Figure Description

[0012] Figure 1 This is a front view structural diagram of the present utility model;

[0013] Figure 2 This is a side view of the structure of this utility model;

[0014] Figure 3 This is a schematic diagram of the exhaust port installation position structure of this utility model;

[0015] Figure 4 This is a front view schematic diagram of the annular block structure of this utility model;

[0016] Figure 5 This is a cross-sectional view of the fixing block of this utility model.

[0017] In the diagram: 1. Metal core; 2. Roller neck; 3. Circular ring block; 4. Dustproof net; 5. Air inlet blade; 6. Exhaust hole; 7. Fixing block; 8. Dustproof block; 9. Hard rubber layer; 10. Outer rubber layer; 11. Spring; 12. Sealing block. Detailed Implementation

[0018] Please see Figure 1-5 This utility model provides a technical solution: a wear-resistant sizing roller for a papermaking machine, comprising a metal core 1 and a roller neck 2. The roller neck 2 is fixedly connected to the middle position of the outer wall of the metal core 1. A circular ring block 3 is fixedly connected to one side of the outer wall of the metal core 1. A cavity is opened through the inside of the circular ring block 3. An air inlet hole is opened through the outer wall of one end of the cavity in a circumferential shape. Air inlet blades 5 are fixedly connected to the outer wall of the circular ring block 3 at positions relative to the air inlet hole.

[0019] The inner wall of one side of the annular block 3 has a cross-shaped exhaust hole 6. One end of the exhaust hole 6 extends through to the outside of the metal core 1. The outer wall of the other end of the metal core 1 is fixedly connected to a fixing block 7 at a position relative to the exhaust hole 6. A sliding groove is formed through the outer wall of one end of the fixing block 7. A dustproof block 8 is slidably connected to the inner wall of the sliding groove. A hard adhesive layer 9 is fixedly connected to the outer wall of the metal core 1. An outer adhesive layer 10 is fixedly connected to the outer wall of the hard adhesive layer 9. A dustproof net 4 is fixedly connected to the inner wall of the air inlet. The air inlet blade 5 is an arc-shaped device.

[0020] The inner wall of the slide is fixedly connected with a spring 11, and the other end of the spring 11 abuts against the dustproof block 8, so that the dustproof block 8 can be moved within the fixed block 7 by using the spring 11.

[0021] The dustproof block 8 has a sealing block 12 fixedly connected to one end of its outer wall. The sealing block 12 abuts against the metal core 1, so that the sealing block 12 can be used to block the exhaust hole 6 and prevent impurities from entering the exhaust hole 6.

[0022] The inner wall of the chute is provided with a groove, and one end of the dustproof block 8 extends into the groove to prevent the dustproof block 8 from moving out of the fixing block 7.

[0023] The fixing block 7 is arranged in a cross shape.

[0024] Specifically, when using this utility model, the roller neck 2 is installed on the machine, the gluing roller is used for compaction and forming of paper, the roller neck 2 drives the metal core 1, the outer glue layer 10 and the hard glue layer 9 to rotate, the metal core 1 drives the ring block 3 to rotate, the air inlet blade 5 squeezes air into the ring block 3, the airflow enters the exhaust hole 6, when rotating, the dust block 8 is subjected to centrifugal force to move outward and compress the spring 11, the dust block 8 drives the sealing block 12 to move out from the exhaust hole 6, exposing the exhaust hole 6, the airflow is discharged from the exhaust hole 6, the airflow discharges the heat generated by the metal core 1, when the roller neck 2 and the metal core 1 rotate at the same time, the spring 11 pushes the dust block 8 and the sealing block 12 to move to the exhaust hole 6, blocking the exhaust hole 6.

Claims

1. A wear resistant size press roll for a paper machine comprising a metal core (1) and a roll neck (2), characterized in that, The intermediate position of the outer wall of the metal core (1) is fixedly connected with the roll neck (2), one side of the outer wall of the metal core (1) is fixedly connected with the circular ring block (3), the inside of the circular ring block (3) is throughly provided with a cavity, one end of the outer wall of the cavity is throughly provided with the air inlet hole in a ring shape, the outer wall of the circular ring block (3) is fixedly connected with the air inlet blade (5) at the position relative to the air inlet hole; The inner wall of one side of the circular ring block (3) is throughly provided with the air outlet hole (6) in a cross shape, one end of the air outlet hole (6) extends to the outside of the metal core (1), the outer wall of the other end of the metal core (1) is fixedly connected with the fixed block (7) at the position relative to the air outlet hole (6), the outer wall of one end of the fixed block (7) is throughly provided with the sliding groove, the inner wall of the sliding groove is slidably connected with the dustproof block (8), the outer wall of the metal core (1) is fixedly connected with the hard rubber layer (9), the outer wall of the hard rubber layer (9) is fixedly connected with the outer rubber layer (10), the inner wall of the air inlet hole is fixedly connected with the dustproof net (4).

2. A wear-resistant size press roll for a paper machine according to claim 1, characterized in that: The inner wall of the sliding groove is fixedly connected with the spring (11), the other end of the spring (11) abuts against the dustproof block (8).

3. A wear resistant size press roll for a paper machine as claimed in claim 1 characterized in that: The outer wall of one end of the dustproof block (8) is fixedly connected with the sealing block (12), the sealing block (12) abuts against the metal core (1).

4. A wear resistant size press roll for a paper machine as claimed in claim 1 characterized by: The inner wall of the sliding groove is throughly provided with the groove, one end of the dustproof block (8) extends into the groove.

5. A wear resistant size press roll for a paper machine as claimed in claim 1 characterized in that: The fixed block (7) is provided in a cross shape.

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