Combined cooling roller

Abstract

The utility model relates to the technical field of rollers, in particular to a combined cooling roller which comprises a first supporting frame, a rotating connector is fixedly connected in the first supporting frame, one end of the rotating connector is rotatably connected with a connecting pipe, and the other end of the rotating connector is fixedly connected with a fixing pipe. A liquid inlet pipe is fixedly connected to the top of the inner wall of the fixed pipe, a liquid outlet pipe is fixedly connected to the bottom of the inner wall of the fixed pipe, a spray head is fixedly connected to the top of the liquid inlet pipe, and a suction pipe is fixedly connected to the bottom of the liquid outlet pipe. The cooling device has the advantages that cooling liquid can be conveyed into the roll shaft through the liquid inlet pipe, when the roll shaft rotates, the cooling liquid can be sprayed to the inner wall of the roll shaft through the spray head, the cooling liquid sprayed into the roll shaft is accumulated at the bottom of the roll shaft, and when the liquid level of the cooling liquid rises to the suction pipe, the cooling liquid can be pumped by the negative pressure pump, so that the cooling liquid can be sucked into the roll shaft. The situation that the roll shaft is full of cooling liquid can be avoided, and therefore the purpose of cooling the roll shaft can be achieved.

Description

Technical Field

[0001] This utility model relates to the field of rolling mill technology, and in particular to a combined cooling rolling mill. Background Technology

[0002] Rolls are tools that cause plastic deformation of metal. They are important consumable components that determine the efficiency of rolling mills and the quality of rolled products. Rolls are important parts on rolling mills in steel mills. They use the pressure generated by the rolling of a pair or a group of rolls to roll steel. They mainly bear the dynamic and static loads during rolling, as well as the effects of wear and temperature changes.

[0003] A combined cooling roll is disclosed in Chinese Patent CN210523400U. Research on existing technologies and the aforementioned patent reveals that existing rolls are prone to overheating during processing, leading to roll ring breakage. Therefore, this utility model proposes a combined cooling roll. Utility Model Content

[0004] The purpose of this invention is to at least solve one of the aforementioned technical defects.

[0005] The purpose of this invention is to overcome the shortcomings of the prior art, solve the problems mentioned in the background art, and provide a combined cooling roll.

[0006] The objective of this utility model is achieved through the following technical solution: a combined cooling roller, comprising a first support frame, a rotary joint fixedly connected inside the first support frame, a connecting pipe rotatably connected to one end of the rotary joint, a fixed pipe fixedly connected to the other end of the rotary joint, an inlet pipe fixedly connected to the top of the inner wall of the fixed pipe, an outlet pipe fixedly connected to the bottom of the inner wall of the fixed pipe, a nozzle fixedly connected to the top of the inlet pipe, a suction pipe fixedly connected to the bottom of the outlet pipe, a fixed column fixedly connected to the ends of the inlet pipe and the outlet pipe, a first bearing fixedly connected to the outer surface of the fixed column, and a roller shaft fixedly connected to one side of the connecting pipe.

[0007] Preferably, a rotating shaft is fixedly connected to the other end of the roller, a second bearing is fixedly connected to the outer surface of the rotating shaft, and a second support frame is fixedly connected to the outside of the second bearing. The first support frame and the second support frame have the same dimensions.

[0008] By adopting the above technical solution, the first support frame and the second support frame support the roller shaft.

[0009] Preferably, both the inlet pipe and the outlet pipe are semi-circular pipes, the number of nozzles is several, and a linear array of several nozzles is embedded in the top of the inlet pipe, the number of suction tubes is several, and a linear array of several suction tubes is embedded in the bottom of the outlet pipe, and a negative pressure pump is provided at the end of the outlet pipe.

[0010] By adopting the above technical solution, the inlet pipe and outlet pipe are combined into a circular pipe, and both can be located at the center of the roller.

[0011] Preferably, the diameter of the fixing column is adapted to the diameter of the fixing tube, the first bearing is embedded in the inside of the rotating shaft, the diameter of the roller shaft is the same as the outer diameter of the connecting tube, and the inner diameter of the connecting tube is larger than the outer diameter of the fixing tube.

[0012] By adopting the above technical solution, the fixed column can connect the ends of the inlet pipe and the outlet pipe, and is positioned inside the rotating shaft by the first bearing, so that the inlet pipe and the outlet pipe can be placed horizontally inside the roller shaft more stably.

[0013] Preferably, one end of the roller is fixedly connected to a connecting shaft, and the end of the connecting shaft is fixedly connected to a transmission gear.

[0014] By adopting the above technical solution, the transmission belt can drive the roller shaft to rotate through the transmission gear.

[0015] Preferably, the inside of the roller is hollow, the roller is connected to the connecting pipe, and the diameter of the roller is larger than the outer diameter of the connecting pipe.

[0016] Compared with the prior art, the present invention has the following advantages:

[0017] 1. This combined cooling roller is equipped with a fixed pipe. The top of the inner wall of the fixed pipe is fixedly connected to an inlet pipe, and the bottom of the inner wall of the fixed pipe is fixedly connected to an outlet pipe. The top of the inlet pipe is fixedly connected to a nozzle, and the bottom of the outlet pipe is fixedly connected to a suction pipe. In use, cooling liquid can be transported to the inside of the roller through the inlet pipe. When the roller rotates, the nozzle can spray the cooling liquid onto the inner wall of the roller. The cooling liquid sprayed into the roller accumulates at its bottom position. When the liquid level of the cooling liquid rises to the suction pipe, the negative pressure pump can extract the cooling liquid, which can prevent the cooling liquid from filling the roller and thus achieve the purpose of cooling the roller. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the structure of this utility model;

[0019] Figure 2 This is a schematic diagram of the liquid outlet pipe of this utility model;

[0020] Figure 3 This is a schematic diagram of the structure of the fixing column of this utility model;

[0021] Figure 4 This is a schematic diagram of the internal structure of the roller shaft of this utility model.

[0022] In the diagram: 1-First support frame, 2-Rotary joint, 3-Connecting pipe, 4-Fixing pipe, 5-Inlet pipe, 6-Outlet pipe, 7-Nozzle, 8-Suction pipe, 9-Fixing column, 10-First bearing, 11-Roller, 12-Rotating shaft, 13-Second support frame, 14-Connecting shaft, 15-Transmission gear. Detailed Implementation

[0023] Additional aspects and advantages of this invention will be further set forth in the description which follows in conjunction with the accompanying drawings, and in part will be obvious from the description or may be learned by practice of the invention.

[0024] like Figure 1-4 As shown, a combined cooling roller includes a first support frame 1. A rotary joint 2 is embedded inside the first support frame 1. One end of the rotary joint 2 is rotatably connected to a connecting pipe 3. The other end of the rotary joint 2 is welded to a fixed pipe 4. An inlet pipe 5 is welded to the top of the inner wall of the fixed pipe 4. An outlet pipe 6 is welded to the bottom of the inner wall of the fixed pipe 4. A nozzle 7 is embedded in the top of the inlet pipe 5. A suction pipe 8 is embedded in the bottom of the outlet pipe 6. Fixed columns 9 are welded to the ends of the inlet pipe 5 and the outlet pipe 6. A first bearing 10 is welded to the outer surface of the fixed column 9. A roller shaft 11 is welded to one side of the connecting pipe 3.

[0025] With the above settings, during use, cooling liquid can be delivered to the inside of roller 11 through inlet pipe 5. When roller 11 rotates, cooling liquid can be sprayed onto the inner wall of roller 11 through nozzle 7. The cooling liquid sprayed into roller 11 accumulates at its bottom position. When the liquid level of cooling liquid rises to suction pipe 8, negative pressure pump can extract the cooling liquid, which can prevent the cooling liquid from filling roller 11, thereby achieving the purpose of cooling roller 11.

[0026] As a preferred technical solution of this utility model, the other end of the roller 11 is fixedly connected to the rotating shaft 12, the outer surface of the rotating shaft 12 is fixedly connected to the second bearing, and the outside of the second bearing is fixedly connected to the second support frame 13. The first support frame 1 and the second support frame 13 have the same size.

[0027] As a preferred technical solution of this utility model, both the inlet pipe 5 and the outlet pipe 6 are semi-circular pipes. There are several nozzles 7, and several nozzles 7 are linearly arrayed and embedded in the top of the inlet pipe 5. There are several suction tubes 8, and several suction tubes 8 are linearly arrayed and embedded in the bottom of the outlet pipe 6. A negative pressure pump is provided at the end of the outlet pipe 6.

[0028] As a preferred technical solution of this utility model, the diameter of the fixing column 9 is adapted to the diameter of the fixing tube 4, the first bearing 10 is embedded in the inside of the rotating shaft 12, the diameter of the roller shaft 11 is the same as the outer diameter of the connecting tube 3, and the inner diameter of the connecting tube 3 is larger than the outer diameter of the fixing tube 4.

[0029] As a preferred technical solution of this utility model, one end of the roller 11 is fixedly connected to a connecting shaft 14, and the end of the connecting shaft 14 is fixedly connected to a transmission gear 15.

[0030] As a preferred technical solution of this utility model, the inside of the roller 11 is hollow, the roller 11 is connected to the connecting pipe 3, and the diameter of the roller 11 is larger than the outer diameter of the connecting pipe 3.

[0031] The working process of this utility model is as follows:

[0032] S1. Cooling liquid is delivered to the inside of roller 11 through inlet pipe 5. When roller 11 rotates, cooling liquid can be sprayed onto the inner wall of roller 11 through nozzle 7, thereby achieving the purpose of cooling roller 11.

[0033] S2. The cooling liquid injected into the roller 11 accumulates at its bottom position. When the liquid level of the cooling liquid rises to the suction pipe 8, the negative pressure pump can extract the cooling liquid, which can prevent the cooling liquid from filling the roller 11.

[0034] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A combined cooling roll, characterized in that: The system includes a first support frame (1), a rotary joint (2) is fixedly connected inside the first support frame (1), a connecting pipe (3) is rotatably connected to one end of the rotary joint (2), a fixed pipe (4) is fixedly connected to the other end of the rotary joint (2), an inlet pipe (5) is fixedly connected to the top of the inner wall of the fixed pipe (4), an outlet pipe (6) is fixedly connected to the bottom of the inner wall of the fixed pipe (4), a nozzle (7) is fixedly connected to the top of the inlet pipe (5), a suction pipe (8) is fixedly connected to the bottom of the outlet pipe (6), a fixed column (9) is fixedly connected to the ends of the inlet pipe (5) and the outlet pipe (6), a first bearing (10) is fixedly connected to the outer surface of the fixed column (9), and a roller (11) is fixedly connected to one side of the connecting pipe (3).

2. The combined cooling roll according to claim 1, characterized in that: The other end of the roller (11) is fixedly connected to a rotating shaft (12), and a second bearing is fixedly connected to the outer surface of the rotating shaft (12). A second support frame (13) is fixedly connected to the outside of the second bearing. The first support frame (1) and the second support frame (13) are the same size.

3. A combined cooling roll according to claim 1, characterized in that: Both the inlet pipe (5) and the outlet pipe (6) are semi-circular pipes. There are several nozzles (7), and a linear array of several nozzles (7) is embedded in the top of the inlet pipe (5). There are several suction tubes (8), and a linear array of several suction tubes (8) is embedded in the bottom of the outlet pipe (6). A negative pressure pump is provided at the end of the outlet pipe (6).

4. A combined cooling roll according to claim 1, characterized in that: The diameter of the fixed column (9) is matched with the diameter of the fixed tube (4). The first bearing (10) is embedded in the inside of the rotating shaft (12). The diameter of the roller (11) is the same as the outer diameter of the connecting tube (3). The inner diameter of the connecting tube (3) is greater than the outer diameter of the fixed tube (4).

5. A combined cooling roll according to claim 1, characterized in that: One end of the roller (11) is fixedly connected to a connecting shaft (14), and the end of the connecting shaft (14) is fixedly connected to a transmission gear (15).

6. A combined cooling roll according to claim 1, characterized in that: The inside of the roller (11) is hollow. The roller (11) is connected to the connecting pipe (3). The diameter of the roller (11) is larger than the outer diameter of the connecting pipe (3).

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