Low-energy-consumption self-cooling continuous casting roller

Abstract

The utility model discloses a low-energy-consumption self-cooling continuous casting roller which comprises two bearing seats. The continuous casting roller body is rotatably arranged on the bearing seat; the continuous casting roller body comprises a core shaft and further comprises a roller sleeve which is arranged on the core shaft in a sleeving mode and is in interference fit with the core shaft. The mandrel is provided with a cooling water channel, and the two ends of the mandrel are each provided with a rotary connector communicated with the corresponding end of the cooling water channel. The rotary joint at the left side end of the mandrel is communicated with the cooling water tank; the water inlet end of the water pump is communicated with the cooling water tank, the water outlet end of the water pump is communicated with the rotary joint at the right side end of the mandrel, and the right side end of the mandrel is in transmission connection with the driving end of the water pump. The continuous casting roller with the design has a self-cooling function, and independent supply and circulation of cooling water can be realized without extra electric power, so that the overall energy consumption is reduced, and the use cost is saved.

Description

Technical Field

[0001] The utility model relates to the field of continuous casting steelmaking equipment, in particular to a low-energy consumption self-cooling continuous casting roller. Background Art

[0002] The continuous casting roller is a component that conveys the strip steel during the production process. The continuous casting roller is usually composed of a mandrel, a roller sleeve, and a bearing seat. In order to extend the service life of the continuous casting roller, it is usually equipped with a water cooling function. For this purpose, it is necessary to add a cooling water channel inside the continuous casting roller body and connect an external cooling water supply device.

[0003] The water-cooled continuous casting rollers in the prior art do not have a self-cooling function and require additional electricity to operate the cooling water supply equipment. Therefore, the cooling thereof consumes more electricity and increases the use cost. Utility Model Content

[0004] The utility model aims to provide a low-energy consumption self-cooling continuous casting roller which does not need to provide additional electricity for cooling.

[0005] The purpose of the utility model is achieved as follows: a low-energy self-cooling continuous casting roller, comprising a bearing seat, there are two bearing seats; a continuous casting roller body, the continuous casting roller body is rotatably mounted on the bearing seat; the continuous casting roller body comprises a core shaft, and also comprises a roller sleeve which is sleeved on the core shaft and has an interference fit with the core shaft; a cooling water channel is provided on the core shaft, and a rotating joint connected to the corresponding end of the cooling water channel is provided at each of its two ends; a cooling water tank, the rotating joint at the left end of the core shaft is connected to the cooling water tank; a water pump, the water inlet end of the water pump is connected to the cooling water tank, the water outlet end of the water pump is connected to the rotating joint at the right end of the core shaft, and the right end of the core shaft is transmission-connected to the driving end of the water pump.

[0006] Compared with the prior art, the beneficial effects of the utility model are: the continuous casting roller provided by the utility model has a self-cooling function, and can realize the autonomous supply and circulation of cooling water without additional electricity, thereby reducing the overall energy consumption and saving the use cost; specifically, the autonomous supply and circulation of cooling water is realized by connecting the continuous casting roller body with a water pump transmission, so no additional electric drive is required.

[0007] As a preferred solution of the utility model, the continuous casting roller further includes a manual transmission, the right end of the mandrel is transmission-connected to the input end of the manual transmission, and the output end of the manual transmission is transmission-connected to the driving end of the water pump. This design makes the water supply efficiency of the water pump adjustable, that is, the cooling efficiency is adjustable, thereby expanding the scope of application.

[0008] As a preferred solution of the utility model, the cooling water channel includes a spiral cooling water channel spirally distributed along the length direction of the mandrel, and the left end of the spiral cooling water channel is provided with a water inlet, and the right end is provided with a water outlet. This design ensures the support effect of the mandrel on the roller sleeve, while also making the contact area and contact time between the cooling water channel and the continuous casting roller body larger, thereby achieving a better cooling effect.

[0009] As a preferred solution of the utility model, the cooling water tank is located below the continuous casting roller body, and a plurality of heat sinks are evenly distributed along its length on its periphery. This design structure is more compact, occupies less area, and has more efficient heat dissipation.

[0010] Furthermore, a heat insulation plate is provided between the continuous casting roller body and the cooling water tank, so as to prevent the heat on the continuous casting roller body from radiating to the cooling water tank and affecting the heat dissipation of the cooling water tank. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a structural schematic diagram of the utility model.

[0012] Among them, 1 bearing seat, 2 continuous casting roller body, 3 mandrel, 3a rotary joint, 4 roller sleeve, 5 spiral cooling water channel, 6 water inlet hole, 7 water outlet hole, 8 cooling water tank, 8a heat sink, 9 water pump, 10 manual transmission, 11 heat insulation board. DETAILED DESCRIPTION

[0013] The above and other technical features and advantages of the present invention are described in more detail below in conjunction with the accompanying drawings.

[0014] Combined with Figure 1 As shown, a low-energy self-cooling continuous casting roller comprises a bearing seat 1, wherein there are two bearing seats 1; a continuous casting roller body 2, wherein the continuous casting roller body 2 is rotatably mounted on the bearing seat 1; the continuous casting roller body 2 comprises a core shaft 3, and also comprises a roller sleeve 4 which is sleeved on the core shaft 3 and has an interference fit with the core shaft 3; a cooling water channel is provided on the core shaft 3, and a rotating joint 3a which is connected to the corresponding end of the cooling water channel is provided at both ends of the core shaft 3; a cooling water tank 8, wherein the rotating joint 3a at the left end of the core shaft 3 is connected to the cooling water tank 8; a water pump 9, wherein the water inlet end of the water pump 9 is connected to the cooling water tank 8, and the water outlet end of the water pump 9 is connected to the rotating joint 3a at the right end of the core shaft 3, and the right end of the core shaft 3 is drivingly connected to the driving end of the water pump 9.

[0015] The continuous casting roller also includes a manual transmission 10, the right end of the mandrel 3 is transmission-connected to the input end of the manual transmission 10, and the output end of the manual transmission 10 is transmission-connected to the driving end of the water pump 9;

[0016] It should be noted that the spindle 3 and the manual transmission 10 are connected in transmission via a belt, and the manual transmission 10 and the water pump 9 are connected in coaxial transmission via a coupling.

[0017] The cooling water channel comprises a spiral cooling water channel 5 which is spirally distributed along the length direction of the core shaft 3 . A water inlet 6 is arranged at the left end of the spiral cooling water channel 5 , and a water outlet 7 is arranged at the right end thereof.

[0018] The cooling water tank 8 is located below the continuous casting roller body 2, and a plurality of heat sinks 8a are arranged on its periphery and are evenly distributed along its length.

[0019] A heat insulation plate 11 is provided between the continuous casting roller body 2 and the cooling water tank 8 .

[0020] During self-cooling operation, the continuous casting roller body 2 will rotate autonomously under the action of the continuous casting slab; as the continuous casting roller body 2 rotates, the manual transmission 10 works accordingly, and then transmits power to the water pump 9 to drive the water pump 9 to work; as the water pump 9 works, cooling water flows out from the cooling water tank 8, flows through the water pump 9, and then flows into the core shaft 3 from the rotating joint 3a at the corresponding end of the core shaft 3, and then flows into the spiral cooling water channel 5 through the water outlet 7 at this end of the core shaft 3 for cooling; after cooling, it flows back to the other end of the core shaft 3 through the water inlet hole 6 at the other end of the spiral cooling water channel 5, and flows back into the cooling water tank 8 through the rotating joint 3a at this end of the core shaft 3.

[0021] The present utility model is not limited to the above-mentioned embodiments. On the basis of the technical solution disclosed in the present utility model, technicians in this field can make some substitutions and deformations to some technical features therein according to the disclosed technical content without creative labor, and these substitutions and deformations are all within the protection scope of the present utility model.

Claims

1. A low energy consumption self-cooling continuous casting roller; characterized in that: The continuous casting roll comprises A bearing seat (1), wherein there are two bearing seats (1); A continuous casting roller body (2), the continuous casting roller body (2) being rotatably mounted on a bearing seat (1); the continuous casting roller body (2) comprising a mandrel (3), and also comprising a roller sleeve (4) sleeved on the mandrel (3) and having an interference fit with the mandrel (3); a cooling water channel is provided on the mandrel (3), and a rotary joint (3a) is provided at each end of the mandrel respectively connected to the corresponding end of the cooling water channel; A cooling water tank (8), wherein the rotary joint (3a) at the left end of the core shaft (3) is connected to the cooling water tank (8); A water pump (9), wherein a water inlet end of the water pump (9) is connected to a cooling water tank (8), a water outlet end of the water pump (9) is connected to a rotary joint (3a) at the right end of the core shaft (3), and the right end of the core shaft (3) is drivingly connected to a driving end of the water pump (9).

2. A low energy consumption self-cooling continuous casting roller according to claim 1, characterized in that: The continuous casting roller also includes a manual transmission (10), the right end of the mandrel (3) is drivingly connected to the input end of the manual transmission (10), and the output end of the manual transmission (10) is drivingly connected to the drive end of the water pump (9).

3. A low energy consumption self-cooling continuous casting roller according to claim 1 or 2, characterized in that: The cooling water channel comprises a spiral cooling water channel (5) distributed in a spiral direction along the length of the core shaft (3); a water inlet (6) is provided at the left end of the spiral cooling water channel (5), and a water outlet (7) is provided at the right end thereof.

4. A low energy consumption self-cooling continuous casting roller according to claim 1 or 2, characterized in that: The cooling water tank (8) is located below the continuous casting roller body (2), and is provided with a plurality of cooling fins (8a) evenly distributed along its length on its outer periphery.

5. A low energy consumption self-cooling continuous casting roller according to claim 4, characterized in that: A heat insulation plate (11) is provided between the continuous casting roller body (2) and the cooling water tank (8).

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