Cooling water ring for heat treatment of corrugating roller surface

Abstract

The utility model discloses a cooling water ring for corrugated roller surface heat treatment, including the hollow setting upper ring body, the inner diameter of upper ring body gradually increases from top to bottom along the axis, makes its inner ring face present inclined setting, and the inner ring face array has a plurality of first water spray hole, and the axis of first water spray hole is perpendicular to the inclined inner ring face. The cooling water ring is through the cooperation of the inclined inner ring face and the first water spray hole perpendicular to the inner ring face, makes the cooling water show the inclined downward direction and sprays, fundamentally solves the problem that traditional cooling water ring horizontal water spraying is easy to splash water upward, and the vertical water spraying cooling is uneven. On the one hand, can effectively prevent the cooling water splashes to the inductive heating ring above, avoids the heating ring to take place short circuit, insulation layer damage and other failures because of meeting water, guarantees the stable progress of heating procedure, on the other hand, the inclined water flow can evenly cover the corrugated roller surface, avoids the cooling speed difference of upper and lower parts, ensures the tooth part to form the even martensite organization, promotes the hardness consistency, reduces the product scrapping risk.

Description

Technical Field

[0001] This utility model relates to the field of cooling water ring technology, and in particular to a cooling water ring for heat treatment of corrugated roll surface. Background Technology

[0002] In the heat treatment process of corrugated roll surfaces, the rapid cooling step after induction heating needs to be achieved through a cooling water ring to ensure that a uniform martensitic structure is formed on the corrugated roll teeth, thereby improving surface hardness. The cooling water ring is usually used in conjunction with the induction heating ring, fitted onto the outside of the corrugated roll, with the heating ring on top and the cooling water ring below, cooling the heated surface of the corrugated roll by spraying water.

[0003] Traditional cooling water rings typically employ horizontal inward or vertical downward spray nozzles. Horizontal inward spray nozzles tend to splash water in all directions, with some water droplets rising and landing on the surface of the induction heating coil above. As an electrically conductive component, the induction heating coil is susceptible to malfunctions due to short circuits or insulation damage when exposed to water. Furthermore, sudden temperature drops in certain areas can disrupt the magnetic field distribution, affecting the uniformity of heating the corrugated roll. While vertical downward spray nozzles reduce upward splashing, the water flow directly impacts the lower part of the corrugated roll, resulting in insufficient cooling coverage of the upper tooth surface. This can cause differences in cooling rates between the upper and lower parts, leading to uneven hardness of the corrugated roll.

[0004] Furthermore, water splashing onto the induction heating coil increases equipment maintenance frequency, reduces production efficiency, and can even cause heat treatment interruptions due to coil damage, resulting in the scrapping of corrugated rolls. Although the industry has attempted to reduce water splashing by adding shielding components, these additional components can easily interfere with the cooling water flow, further affecting the cooling effect and failing to fundamentally solve the problem caused by improper water spray direction.

[0005] It is evident that existing technologies still need improvement and enhancement. Utility Model Content

[0006] In view of the shortcomings of the prior art, the purpose of this utility model is to provide a cooling water ring for heat treatment of corrugated roll surface, which aims to solve the technical problem that water splashes easily onto the induction heating ring, affecting the processing quality and damaging the induction heating ring in the prior art.

[0007] To achieve the above objectives, the present invention adopts the following technical solution: A cooling water ring for heat treatment of corrugated roll surface includes a hollow upper ring body. At least two first copper pipe joints are connected to the outer side of the upper ring body for connecting to an external water supply device. The inner diameter of the upper ring body gradually increases from top to bottom along its axis, causing the inner ring surface of the upper ring body to be inclined. A plurality of first water spray holes are arrayed on the inner ring surface of the upper ring body, and the axis of the first water spray holes is perpendicular to the inner ring surface.

[0008] The cooling water ring for heat treatment of the corrugated roll surface, wherein the upper ring body is an open ring structure, both ends of the open ring of the upper ring body are sealed, and at least two first copper pipe joints are arranged symmetrically on both sides of the upper ring body with the line connecting the open ring of the upper ring body and the center of the circle as an axis.

[0009] The cooling water ring for heat treatment of the corrugated roll surface has two first mounting plates on the outer side of the upper ring body. The two first mounting plates are symmetrically arranged with the line connecting the opening of the upper ring body and the center of the circle as the axis. The first mounting plates are provided with first screw holes.

[0010] The cooling water ring for heat treatment of the corrugated roll surface further includes at least two baffles. The baffles are installed inside the upper ring body, and each baffle corresponds to a first copper pipe joint. The baffles have water passage holes.

[0011] The cooling water ring for heat treatment of the corrugated roll surface further includes a lower ring body coaxially arranged with the upper ring body. The lower ring body is a tubular structure with a square cross-section. The outer diameter of the lower ring body is equal to the outer diameter of the upper ring body, and the inner diameter of the lower ring body is equal to the minimum inner diameter of the upper ring body.

[0012] The cooling water ring for heat treatment of the corrugated roll surface includes a lower ring body with an open ring structure. Both ends of the open ring of the lower ring body are sealed. The lower ring body is symmetrically provided with two second mounting plates with the line connecting the open ring and the center of the circle as the axis. The second mounting plates are provided with second screw holes. The upper ring body and the lower ring body are fixedly connected by screws passing through the first screw hole and the second screw hole.

[0013] The cooling water ring for heat treatment of the corrugated roll surface is wherein the inner ring surface of the lower ring body is perpendicular to its upper and lower end surfaces, and the inner ring surface is arrayed with a plurality of second water spray holes, the axis of the second water spray holes being perpendicular to the inner ring surface.

[0014] The cooling water ring for heat treatment of the corrugated roll surface includes at least two second copper pipe joints connected to the outer side of the lower ring body. The at least two second copper pipe joints are used to connect to external water supply equipment. The at least two second copper pipe joints are symmetrically arranged on both sides of the lower ring body with the line connecting the opening of the lower ring body to the center as the axis.

[0015] The cooling water ring for heat treatment of the corrugated roll surface is provided with two third mounting plates on the outer side of the lower ring body. The two third mounting plates are respectively provided with two second mounting plates. The third mounting plates are provided with third screw holes for fixing the cooling water ring to the external equipment by screws.

[0016] Beneficial effects: This invention provides a cooling water ring for heat treatment of corrugated roll surfaces, comprising a hollow upper ring body with at least two first copper pipe joints connected to the outer side for connecting to external water supply equipment. The inner diameter of the upper ring body gradually increases from top to bottom along its axis, making its inner ring surface inclined, and the inner ring surface has an array of first water spray holes, the axes of which are perpendicular to the inclined inner ring surface. This cooling water ring, through the cooperation of the inclined inner ring surface and the first water spray holes perpendicular to the inner ring surface, causes the cooling water to spray out in an inclined downward direction, fundamentally solving the problems of horizontal water spraying causing upward splashing and vertical water spraying causing uneven cooling in traditional cooling water rings. On the one hand, it effectively prevents cooling water from splashing onto the upper induction heating ring, avoiding short circuits and insulation damage caused by water contact, ensuring stable operation of the heating process; on the other hand, the inclined water flow can evenly cover the surface of the corrugated roll, avoiding differences in cooling speed between the upper and lower parts, ensuring the formation of a uniform martensitic structure in the teeth, improving hardness consistency, and reducing the risk of product scrap. Meanwhile, the elimination of the need for additional shielding components simplifies the equipment structure, reduces the frequency of heating coil replacement and equipment maintenance, lowers maintenance costs, and improves production continuity and efficiency. Furthermore, the design of the first copper pipe connector facilitates stable connection to water supply equipment, and the overall structure is compact, highly adaptable, and has good practicality and promotional value. Attached Figure Description

[0017] Figure 1 A three-dimensional structural schematic diagram of the cooling water ring provided by this utility model; Figure 2 An exploded view of the cooling water ring provided by this utility model; Figure 3 A cross-sectional structural diagram of the cooling water ring provided by this utility model; Figure 4 Provided by this utility model Figure 3 A schematic diagram of the partial structure of A in the middle.

[0018] Figure label: 1—Upper ring body; 11—First copper pipe connector; 12—First water spray hole 13—First mounting plate; 14—First screw hole; 15—Water baffle plate 16—Water passage hole 2—Lower ring body 21—Second mounting plate 22—Second screw hole; 23—Second water spray hole; 24—Second copper pipe connector 25—Third mounting plate; 26—Third screw hole. Detailed Implementation

[0019] This utility model provides a cooling water ring for heat treatment of corrugated roll surfaces. To make the purpose, technical solution, and effects of this utility model clearer and more explicit, the following describes this utility model in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only for explaining this utility model and are not intended to limit this utility model.

[0020] In the description of this utility model, it should be understood that the terms "upper," "lower," "left," and "right," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or a specific orientational structure and operation. Therefore, they should not be construed as limitations on this utility model. Furthermore, "first" and "second" are only for descriptive purposes and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "multiple" means two or more.

[0021] Please see Figures 1 to 3 As shown, this utility model provides a cooling water ring for heat treatment of corrugated roll surface, which includes a hollow upper ring body 1. At least two first copper pipe joints 11 are connected to the outer side of the upper ring body 1. The at least two first copper pipe joints 11 are used to connect to external water supply equipment. The inner diameter of the upper ring body 1 gradually increases from top to bottom along its axis, so that the inner ring surface of the upper ring body 1 is inclined. A plurality of first water spray holes 12 are arrayed on the inner ring surface of the upper ring body 1. The axis of the first water spray holes 12 is perpendicular to the inner ring surface.

[0022] This cooling water ring, through the cooperation of its inclined inner ring surface and the first spray hole 12 perpendicular to the inner ring surface, sprays cooling water in an inclined downward direction, fundamentally solving the problems of traditional cooling water rings where horizontal spraying easily splashes upwards and vertical spraying results in uneven cooling. On the one hand, it effectively prevents cooling water from splashing onto the upper induction heating ring, avoiding short circuits and insulation damage caused by water contact, thus ensuring the stable operation of the heating process. On the other hand, the inclined water flow can evenly cover the surface of the corrugated roller, avoiding differences in cooling speed between the upper and lower parts, ensuring the formation of a uniform martensitic structure in the teeth, improving hardness consistency, and reducing the risk of product scrap. At the same time, no additional shielding components are needed, simplifying the equipment structure, reducing the frequency of heating ring replacement and equipment maintenance, lowering maintenance costs, and improving production continuity and efficiency. Furthermore, the design of the first copper pipe connector 11 facilitates stable connection to the water supply equipment, and the overall structure is compact, highly adaptable, and has good practicality and promotional value.

[0023] In this embodiment, the upper ring body 1 is made of copper tubing, and its cross-section is a trapezoidal tubular structure. The first copper tube connector 11 is welded and fixed to the outside of the upper ring body 1 and connected to it. The upper and lower end faces of the upper ring body 1 are parallel horizontal planes. The outer ring surface of the upper ring body 1 is perpendicular to the upper and lower end faces, respectively. The inclination angle of the inner ring surface of the upper ring body 1 relative to the outer ring surface is 15°, that is, the axis of the first water spray hole 12 is inclined downwards at 15° relative to the upper end face. There are four first copper tube connectors 11, which are equidistantly distributed on the outside of the upper ring body 1 and connected to the outlet pipe of the external water supply equipment. The axial distance between the upper end face of the upper ring body 1 and the lower end face of the induction heating coil is 30-50mm. The actual distance can be adjusted according to the speed of the corrugated roller to ensure immediate cooling after heating.

[0024] Please see Figures 1 to 2 As shown, the upper ring body 1 has an open-ring structure. Both ends of the open ring of the upper ring body 1 are sealed. At least two first copper pipe joints 11 are symmetrically arranged on both sides of the upper ring body 1 with the line connecting the open ring of the upper ring body 1 to the center of the circle as the axis. In this embodiment, the opening angle of the upper ring body 1 does not exceed 10°. Both ends of the open ring of the upper ring body 1 are sealed by welding copper plates. The four first copper pipe joints 11 are symmetrically arranged in pairs, which allows the cooling water supplied by the external water supply equipment to enter the inner pipe of the upper ring body 1 from the symmetrical direction at the same time. This effectively avoids the problem of uneven water flow impact and pressure distribution imbalance caused by unilateral water supply, and ensures that the water pressure in all parts of the inner pipe of the upper ring body 1 is stable and consistent. Stable water pressure can make the cooling water sprayed from each first spray hole 12 uniform in volume and flow rate. Combined with the guiding effect of the inclined inner ring surface, it further improves the uniformity of cooling of the corrugated roller surface and avoids tooth hardness deviation caused by insufficient or excessive local cooling.

[0025] Please see Figures 1 to 2 As shown, two first mounting plates 13 are provided on the outer side of the upper ring body 1. The two first mounting plates 13 are arranged symmetrically about the line connecting the opening of the upper ring body 1 and the center of the circle. Each first mounting plate 13 is provided with a first screw hole 14. In this embodiment, the two first mounting plates 13 are fixed to the outer side of the upper ring body 1 by welding and are close to the lower end face of the upper ring body 1. Each first mounting plate 13 is provided with two first screw holes 14 so that the upper ring body 1 and the lower ring body 2 are fixedly connected by screws.

[0026] Please see Figures 3 to 4As shown, it also includes at least two baffle plates 15, which are installed inside the upper ring body 1. Each baffle plate 15 corresponds to a first copper pipe joint 11, and the baffle plate 15 has water passage holes 16. In this embodiment, there are four baffle plates 15, just like the first copper pipe joints 11. The height of the baffle plate 15 is equal to the height of the inner tube of the upper ring body 1. The baffle plate 15 is engaged with the upper and lower surfaces of the inner tube of the upper ring body 1 by abutting against the upper and lower surfaces of the inner tube of the upper ring body 1, and is fixed by laser welding to ensure that it does not shift when the water flows. The diameter of the water passage hole 16 is larger than the diameter of the first spray hole 12. There are several water passage holes 16, and the distance between each water passage hole 16 is greater than the distance between each first spray hole 12. A baffle plate 15 is provided corresponding to the first copper pipe joint 11 to temporarily block and divert the water flow entering from the first copper pipe joint 11. This allows most of the water flow to flow along the inner pipe of the upper ring body 1 to both ends. The water passage hole 16 allows a small portion of the water flow to reach the first spray hole 12 corresponding to the first copper pipe joint 11 through the baffle plate 15. This effectively avoids the problems of uneven water flow impact and unbalanced pressure distribution, ensuring that the water pressure at all points in the inner pipe of the upper ring body 1 is stable and consistent. As a result, the cooling water sprayed from the first spray hole 12 at all points in the upper ring body 1 is uniform in volume and flow rate.

[0027] Please see Figures 1 to 3 As shown, it also includes a lower ring body 2 coaxially arranged with the upper ring body 1. The lower ring body 2 is a tubular structure with a square cross-section. The outer diameter of the lower ring body 2 is equal to the outer diameter of the upper ring body 1, and the inner diameter of the lower ring body 2 is equal to the minimum inner diameter of the upper ring body 1. In this embodiment, the material of the lower ring body 2 is the same as that of the upper ring body 1. The lower ring body 2 and the upper ring body 1 are coaxially arranged and matched in size. Based on the hole positions of the first mounting plate 13 and the second mounting plate 21, the relative positions of the two with the corrugated roller are ensured to be stable. The water flow sprayed from the lower ring body 2 is a traditional transverse water flow, which can form a synergistic and complementary cooling system with the upper ring body 1, thereby improving the cooling coverage of the corrugated roller by the water flow.

[0028] Please see Figures 1 to 3As shown, the lower ring body 2 has an open-ring structure. Both ends of the open ring of the lower ring body 2 are sealed. The lower ring body 2 is symmetrically arranged with two second mounting plates 21 along the line connecting the open ring and the center of the ring. The second mounting plates 21 are provided with second screw holes 22. The upper ring body 1 and the lower ring body 2 are fixedly connected by screws passing through the first screw hole 14 and the second screw hole 22. In this embodiment, the opening angle of the lower ring body 2 does not exceed 10°. Both ends of the open ring of the lower ring body 2 are sealed by welding copper plates. The two second mounting plates 21 are fixed to the outside of the lower ring body 2 by welding and are close to the upper end face of the lower ring body 2. Each second mounting plate 21 is provided with two second screw holes 22, and the positions of the second screw holes 22 correspond to the positions of the first screw holes 14. When the upper ring 1 and the lower ring 2 are fixedly connected, the lower end face of the upper ring 1 is in contact with the upper end face of the lower ring 2, the bottom surface of the first mounting plate 13 is in contact with the top surface of the second mounting plate 21, the first screw hole 14 and the second screw hole 22 correspond one-to-one, and then they are locked and fixed by screws and nuts.

[0029] Please see Figures 1 to 3 As shown, the inner ring surface of the lower ring body 2 is perpendicular to its upper and lower end faces. The inner ring surface is arrayed with several second water spray holes 23, the axes of which are perpendicular to the inner ring surface. In this embodiment, the arrangement of the second water spray holes 23 ensures that the sprayed water is a transverse flow, precisely covering the lower part of the corrugated roller and areas such as the tooth root that are difficult for the inclined water flow of the upper ring body 1 to fully reach. This effectively fills the blind spots in the cooling range of a single upper ring body 1, achieving full-surface cooling of the corrugated roller from top to bottom without dead angles, avoiding the problem of insufficient local cooling caused by incomplete coverage in traditional single cooling rings.

[0030] Please see Figures 1 to 3 As shown, at least two second copper pipe joints 24 are connected to the outer side of the lower ring body 2. These two second copper pipe joints 24 are used to connect to external water supply equipment. The at least two second copper pipe joints 24 are symmetrically arranged on both sides of the lower ring body 2, with the line connecting the opening of the lower ring body 2 to the center as an axis. In this embodiment, the second copper pipe joints 24 are connected to the lower ring body 2 by welding. There are eight second copper pipe joints 24, which are divided into two groups of four. The two groups of second copper pipe joints 24 are symmetrically arranged, with each group of two second copper pipe joints 24 spaced evenly apart. This allows cooling water supplied by the external water supply equipment to enter the inner pipe of the lower ring body 2 simultaneously from a symmetrical direction, effectively avoiding uneven water flow impact and pressure distribution imbalance caused by unilateral water supply, and ensuring stable and consistent water pressure throughout the inner pipe of the lower ring body 2.

[0031] Please see Figures 1 to 3As shown, two third mounting plates 25 are also provided on the outer side of the lower ring body 2. The two third mounting plates 25 are respectively provided corresponding to the two second mounting plates 21. The third mounting plates 25 are provided with third screw holes 26 for fixing the cooling water ring to the external equipment by screws. In this embodiment, the third mounting plates 25 are welded and fixed to the outer side of the lower ring body 2 and close to the lower end face of the lower ring body 2. Each third mounting plate 25 is provided with two third screw holes 26 for installing screws to connect to the external equipment.

[0032] In summary, this utility model, by cooperating the inclined inner ring surface with the first water spray hole 12 perpendicular to the inner ring surface, makes the cooling water spray out in an inclined downward direction, fundamentally solving the problems of traditional cooling water rings where horizontal water spraying easily splashes upward and vertical water spraying results in uneven cooling.

[0033] It is understood that those skilled in the art can make equivalent substitutions or modifications based on the technical solution and inventive concept of this utility model, and all such substitutions or modifications should fall within the protection scope of the appended claims.

Claims

1. A cooling water ring for heat treatment of corrugated roll surface, characterized in that, The upper ring body (1) is hollow. At least two first copper pipe joints (11) are connected to the outside of the upper ring body (1). The at least two first copper pipe joints (11) are used to connect to the water supply equipment outside. The inner diameter of the upper ring body (1) gradually increases from top to bottom along its axis, so that the inner ring surface of the upper ring body (1) is inclined. The inner ring surface of the upper ring body (1) is arrayed with a number of first water spray holes (12). The axis of the first water spray holes (12) is perpendicular to the inner ring surface.

2. The cooling water ring for heat treatment of corrugated roll surface according to claim 1, characterized in that, The upper ring body (1) is an open ring structure. Both ends of the open ring of the upper ring body (1) are sealed. At least two first copper pipe joints (11) are arranged symmetrically on both sides of the upper ring body (1) with the line connecting the open ring of the upper ring body (1) and the center of the circle as the axis.

3. The cooling water ring for heat treatment of corrugated roll surface according to claim 2, characterized in that, Two first mounting plates (13) are provided on the outer side of the upper ring body (1). The two first mounting plates (13) are symmetrically arranged with the line connecting the opening of the upper ring body (1) and the center of the circle as the axis. The first mounting plate (13) is provided with a first screw hole (14).

4. The cooling water ring for heat treatment of corrugated roll surface according to claim 1, characterized in that, It also includes at least two baffles (15), which are installed inside the upper ring body (1), and each baffle (15) corresponds to a first copper pipe joint (11). The baffle (15) has a water passage hole (16).

5. The cooling ring for the surface heat treatment of corrugation rolls according to claim 3, characterized in that, It also includes a lower ring body (2) coaxially arranged with the upper ring body (1). The lower ring body (2) is a tubular structure with a square cross-section. The outer diameter of the lower ring body (2) is equal to the outer diameter of the upper ring body (1), and the inner diameter of the lower ring body (2) is equal to the minimum inner diameter of the upper ring body (1).

6. The cooling water ring for heat treatment of corrugated roll surface according to claim 5, characterized in that, The lower ring body (2) is an open ring structure. Both ends of the open ring of the lower ring body (2) are sealed. The lower ring body (2) is symmetrically provided with two second mounting plates (21) with the line connecting the open ring and the center of the circle as the axis. The second mounting plate (21) is provided with a second screw hole (22). The upper ring body (1) and the lower ring body (2) are fixedly connected by screws passing through the first screw hole (14) and the second screw hole (22).

7. The cooling water ring for heat treatment of corrugated roll surface according to claim 6, characterized in that, The inner ring surface of the lower ring body (2) is perpendicular to its upper and lower end surfaces. The inner ring surface is arrayed with several second water spray holes (23), and the axis of the second water spray holes (23) is perpendicular to the inner ring surface.

8. The cooling water ring for heat treatment of corrugated roll surface according to claim 7, characterized in that, The outer side of the lower ring body (2) is connected to at least two second copper pipe joints (24), which are used to connect to external water supply equipment. The at least two second copper pipe joints (24) are arranged symmetrically on both sides of the lower ring body (2) with the line connecting the opening of the lower ring body (2) and the center as the axis.

9. The cooling-water ring for surface heat treatment of corrugation rolls according to claim 6, characterized by Two third mounting plates (25) are also provided on the outer side of the lower ring body (2). The two third mounting plates (25) are respectively provided for the two second mounting plates (21). The third mounting plates (25) are provided with third screw holes (26) for fixing the cooling water ring to the external equipment by screws.

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