Device for adjusting surface temperature of roller

Abstract

The utility model belongs to the technical field of groove calenders, and discloses a device for adjusting the surface temperature of a roller. The device for adjusting the surface temperature of the roller comprises a rotary joint, a water inlet pipe, a flange plate, a waterproof sleeve assembly, a sealing strip, a water outlet pipe, a left water distribution plate, a roller outer barrel, a right water distribution plate and a roller mandrel. According to the utility model, the multi-loop circulating heating device is designed and combined with the spiral water inlet groove of the roller core shaft, so that multi-loop water inlet and outlet are realized, the surface temperature of the roller is as uniform as possible, and the heating speed is higher. The utility model has the remarkable advantages that by controlling the multi-loop circulating heating on the surface of the roller, the temperature of the surface of the roller is more uniform, the heating speed is higher, the temperature of the surface of the roller is adjusted when a product is rolled by the roller, and a better material plasticizing effect can be realized.

Description

Technical Field

[0001] The utility model relates to the technical field of groove calenders, in particular to a device for adjusting the surface temperature of a roller. Background Art

[0002] The original groove calender usually heats materials by single-loop heating, and the heating water cavity is far from the roller surface, resulting in uneven roller surface temperature. Since in the actual process of processing materials, the materials are greatly affected by temperature. Therefore, for the single-loop heating roller, due to the uneven surface temperature, the plasticizing effect of the processed materials is not ideal. To solve the above problems, a multi-loop circulating heating roller is proposed, so that the surface temperature of the roller is as uniform as possible and the heating speed is faster to achieve a better plasticizing effect of the materials. Summary of the Utility Model

[0003] To solve the problems in the above background art, the utility model discloses a device for adjusting the surface temperature of a roller.

[0004] The technical solution of the utility model is: a device for adjusting the surface temperature of a roller, including a rotary joint 1, a water inlet pipe 2, a flange 3, a water isolation sleeve assembly 4, a sealing strip 5, a water outlet pipe 6, a left water distribution plate 7, a roller outer cylinder 8, a right water distribution plate 9 and a roller core shaft 10;

[0005] A plurality of water passing spiral grooves are machined on the surface of the roller core shaft 10, and the roller outer cylinder 8 is installed on the roller core shaft 10 to seal the water passing spiral grooves. Each water passing spiral groove has a water outlet B and a water inlet A, which are respectively distributed on the left and right sides of the roller core shaft 10, and there are water outlet B and water inlet A on both the left and right sides;

[0006] The rotary joint 1 is installed on the flange 3, the flange 3 is installed on the left end face of the roller core shaft 10, one end of the water inlet pipe 2 is installed in the central hole of the rotary joint 1, and the other end extends into the roller core shaft 10. The gap between the water inlet pipe 2 and the central hole of the roller core shaft 10 forms a return water cavity 11, and the return water cavity 11 is communicated with the return water port B of the roller core shaft 10;

[0007] The left water distribution plate 7 and the right water distribution plate 9 are installed on the water inlet pipe 2. The left water distribution plate 7 divides the hot water in the water inlet pipe 2 into two paths and enters the water passing spiral grooves on the surface of the roller core shaft 10 from the left water inlet A. At the same time, a hole is left in the middle of the left water distribution plate 7, and the hole is communicated with the return water cavity 11.

[0008] Four water passing spiral grooves are provided; the water inlets of two of the water passing spiral grooves are located on the left side of the roller core shaft 10, and the water outlets are located on the right side of the roller core shaft 10; the water inlets of the other two water passing spiral grooves are located on the right side of the roller core shaft 10, and the water outlets are located on the left side of the roller core shaft 10.

[0009] The right water distribution plate 9 divides the hot water into two paths and enters the other two water - passing spiral grooves on the surface of the roller core shaft 10 from the two water inlets A on the right side. The right water distribution plate 9 and the return water cavity 11 are in a closed state.

[0010] The water - isolating sleeve assembly 4 and the sealing strip 5 are sealed by extrusion to prevent water from flowing out of the two - side gaps of the roller. The water outlet pipe 6 is installed at the center of the left water - isolating sleeve assembly 4 and is connected to the other outlet of the rotary joint 1.

[0011] The high - temperature water flows into the water inlet pipe 2 through the water inlet of the rotary joint 1. A part of the hot water flows into the two water - passing spiral grooves on the surface of the roller core shaft 10 through the left water distribution plate 7, and the other part of the hot water enters the other two water - passing spiral grooves through the right water distribution plate 9, realizing water inlet from left to right for the two water - passing spiral grooves and water inlet from right to left for the other two spiral grooves. The heat - exchanged low - temperature water enters the return water cavity 11 from the two water outlets B on both sides of the roller core shaft 10. The low - temperature water enters the water outlet pipe 6 from the return water cavity 11 through the left water distribution plate 7 and then flows out from the water outlet of the rotary joint 1.

[0012] The beneficial effects of the present utility model: The present utility model discloses a device for adjusting the surface temperature of a roller. By designing the water - passing spiral grooves inside the roller for heating and controlling the left - right water inlet and outlet of the water - passing spiral grooves, multi - loop circulation heating of the roller surface is realized, making the surface temperature of the roller more uniform and the heating speed faster. When the roller is used for calendering products, adjusting the roller surface temperature can achieve a better material plasticization effect. Description of the Drawings

[0013] Figure 1 is the horizontal sectional view of the device of the present utility model.

[0014] Figure 2 is the vertical sectional view of the device of the present utility model.

[0015] Figure 3(a) is the two - dimensional schematic diagram of the roller core shaft.

[0016] Figure 3(b) is the three - dimensional schematic diagram of the roller core shaft.

[0017] Figure 4 is the circuit schematic diagram of one of the water - passing spiral grooves.

[0018] In the figure: 1 left rotary joint; 2 water inlet pipe; 3 flange; 4 water - isolating sleeve kit; 5 sealing strip; 6 water outlet pipe; 7 left water distribution plate; 8 roller outer cylinder; 9 right water distribution plate; 10 roller core shaft; 11 return water cavity; A water inlet; B water outlet. Detailed Embodiments

[0019] The following further explains the specific embodiments of the present utility model in conjunction with the embodiments and the drawings, but does not limit the present utility model.

[0020] Please refer to Figure 1-3, A device for regulating the surface temperature of a roller, comprising a rotary joint 1, a water inlet pipe 2, a flange 3, a water separation sleeve assembly 4, a sealing strip 5, a water outlet pipe 6, a left water distribution plate 7, a roller outer cylinder 8, a right water distribution plate 9, and a roller core shaft 10.

[0021] Four water passing spiral grooves are machined on the surface of the roller core shaft 10. The roller outer cylinder 8 is installed on the roller core shaft 10, and the four spiral water passing grooves can be closed, and the spiral water passing grooves do not communicate with each other; each spiral water passing groove has a water outlet and a water inlet, which are distributed on the left and right sides of the roller core shaft 10, and there are two water outlets and two water inlets on each of the left and right sides.

[0022] The rotary joint 1 is installed on the flange 3, the flange 3 is installed on the left end face of the roller core shaft 10, the left end of the water inlet pipe 2 is installed in the central hole of the rotary joint 1, and the other end extends into the roller core shaft 10. The gap between the water inlet pipe 2 and the central hole of the roller forms a return water cavity 11, and the return water cavity 11 communicates with the four return water ports B of the roller core shaft 10.

[0023] The left water distribution plate 7 and the right water distribution plate 9 are installed on the water inlet pipe 2. The left water distribution plate 7 divides the hot water in the water inlet pipe into two paths and enters the two spiral grooves on the surface of the roller core shaft 10 from the two water inlets A on the left side. At the same time, a hole is left in the middle of the left water distribution plate 7, which can communicate with the return water cavity 11 to realize the two functions of water inlet and return water.

[0024] The right water distribution plate 9 divides the hot water into two paths and enters the other two spiral grooves on the surface of the roller core shaft 10 from the two water inlets A on the right side. The right water distribution plate 9 is closed with the return water cavity 11.

[0025] The water separation sleeve assembly 4 and the sealing strip 5 are sealed by extrusion to prevent water from flowing out of the two sides of the roller. The water outlet pipe 6 is installed in the center of the left water separation sleeve assembly 4 and communicates with the rotary joint 1.

[0026] The roller outer cylinder 8 is installed on the roller core shaft 10 by hot fitting.

[0027] When the roller is working, high-temperature water flows into the water inlet pipe 2 through the water inlet of the rotary joint 1. Part of it flows into the two water passing spiral grooves on the surface of the roller core shaft 10 through the left water distribution plate 7, and the remaining hot water enters the other two water passing spiral grooves through the right water distribution plate 9, realizing water inlet from left to right in two spiral grooves and water inlet from right to left in the other two spiral grooves. After heat exchange, the low-temperature water enters the return water cavity 11 from the water outlets B on both sides of the roller core shaft 10.

[0028] When the roller is working, the low-temperature water enters the water outlet pipe from the return water cavity 11 through the left water distribution plate 7, and then flows out from the water outlet of the rotary joint 1. When the roller works with hot water and forms a stable loop, the roller surface is divided into four water passing spiral grooves, forming a multi-loop circulation heating, making the surface temperature of the roller more uniform and the heating speed faster. The material is sheared and calendered by the roller, and a better plasticizing effect of the material can be achieved.

Claims

1. A device for adjusting the surface temperature of a roller, characterized in that: The device for adjusting the roller surface temperature comprises a rotary joint (1), a water inlet pipe (2), a flange (3), a water isolation sleeve assembly (4), a sealing strip (5), a water outlet pipe (6), a left water distribution plate (7), a roller outer cylinder (8), a right water distribution plate (9) and a roller core shaft (10); The roller core shaft (10) is processed with a plurality of water-passing spiral grooves on its surface, and the roller outer cylinder (8) is mounted on the roller core shaft (10) to close the water-passing spiral grooves, each of which has a water outlet (B) and a water inlet (A), which are respectively distributed on the left and right sides of the roller core shaft (10), and the left and right sides each have a water outlet (B) and a water inlet (A); The rotary joint (1) is mounted on a flange (3), the flange (3) is mounted on the left end surface of the roller core shaft (10), one end of the water inlet pipe (2) is mounted in the center hole of the rotary joint (1), and the other end extends into the roller core shaft (10), the gap between the water inlet pipe (2) and the center hole of the roller core shaft (10) forms a water return chamber (11), and the water return chamber (11) is connected to the water outlet (B) of the roller core shaft (10); The left water distribution plate (7) and the right water distribution plate (9) are installed on the water inlet pipe (2). The left water distribution plate (7) divides the hot water in the water inlet pipe (2) into two paths, which enter the water-passing spiral groove on the surface of the roller core shaft (10) from the left water inlet (A). At the same time, a hole is left in the middle of the left water distribution plate (7), and the hole is connected to the return water chamber (11).

2. The device for adjusting the roller surface temperature according to claim 1, characterized in that: Four water-passing spiral grooves are provided; the water inlets of two of the water-passing spiral grooves are located on the left side of the roller core shaft (10), and the water outlets are located on the right side of the roller core shaft (10); the water inlets of the other two water-passing spiral grooves are located on the right side of the roller core shaft (10), and the water outlets are located on the left side of the roller core shaft (10).

3. The device for adjusting the roller surface temperature according to claim 2, characterized in that: The right water separation plate (9) divides the hot water into two paths and enters the other two water-passing spiral grooves on the surface of the roller core shaft (10) from the two water inlets (A) on the right side. The right water separation plate (9) and the water return chamber (11) are in a closed state.

4. A device for adjusting the roller surface temperature according to claim 2 or 3, characterized in that: The water-blocking sleeve assembly (4) and the sealing strip (5) are sealed by extrusion to prevent water from flowing out from the gaps on both sides of the roller. The water outlet pipe (6) is installed at the center of the left water-blocking sleeve assembly (4) and is connected to the other outlet of the rotary joint (1).

5. The device for adjusting the roller surface temperature according to claim 4, characterized in that: High-temperature water flows into the water inlet pipe (2) through the water inlet of the rotary joint (1), a part of the hot water flows into the two water-passing spiral grooves on the surface of the roller core shaft (10) through the left water dividing plate (7), and another part of the hot water flows into the other two water-passing spiral grooves through the right water dividing plate (9), so that the two water-passing spiral grooves flow water from left to right, and the other two spiral grooves flow water from right to left. The low-temperature water after heat exchange flows into the return water chamber (11) from the water outlets (B) on both sides of the roller core shaft (10), and the low-temperature water flows from the return water chamber (11) through the left water dividing plate (7) into the water outlet pipe (6), and then flows out from the water outlet of the rotary joint (1).

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