CN212664512U

CN212664512U - Roller cooling and heat dissipation device

Info

Publication number: CN212664512U
Application number: CN202021266359.0U
Authority: CN
Inventors: 刘玉江; 刘士臣; 周雪普
Original assignee: Tangshan Guozong Yulong Heavy Industry Co ltd
Current assignee: Tangshan Guozong Yulong Heavy Industry Co ltd
Priority date: 2020-07-01
Filing date: 2020-07-01
Publication date: 2021-03-09
Anticipated expiration: 2030-07-01

Abstract

The utility model belongs to the technical field of cast part technique, especially, a roll cooling heat abstractor, including the roller core, the roller core surface is provided with the adapter sleeve, the adapter sleeve surface is provided with the roller shell, the roller shell surface is provided with the roll, be provided with the packing ring between adapter sleeve and the roller shell, the adapter sleeve surface is provided with the thermovent, roller shell one end is provided with the coolant liquid hole, the inside interior runner that is provided with of roller shell, the inside cooling bath that is provided with of roller core, the inside cooling tube that is provided with of cooling bath, the inside cooling core that is provided with of cooling tube, the inside coolant liquid that is provided with of interior runner, the inside center of roller core is provided with. The utility model discloses a set up fan and ventilation hole messenger roller shell inner chamber and outside circulation of air for the heat gives off, and absorbs the heat of inner chamber through setting up the cooling bath, prevents because of inside and outside difference in temperature too big lead to roll 4 the damaged condition to appear.

Description

Roller cooling and heat dissipation device

Technical Field

The utility model relates to a cast part technical field specifically is a roll cooling heat abstractor.

Background

The rolls are the main working components and tools of a rolling mill for continuous plastic deformation of metals, and roll steel by using the pressure generated when a pair or a group of rolls roll. The rolling mill mainly bears the influence of dynamic and static loads, abrasion and temperature change during rolling, a plurality of working rolls in common rolls are made of materials, a cold rolling roll requires surface quenching, the cutting processing performance of a working layer of a roll body is also considered when rolling profile steel with a complex section, when the rolls are selected, some performance requirements of the rolls are usually opposite to each other, the purchase cost and the maintenance cost of the rolls are expensive, so technical and economic advantages and disadvantages are fully balanced, and whether casting or forging is used, alloy or non-alloy, and single material or composite material is determined. When a rolling mill rolls steel by using a roller, the temperature of the roller can rise rapidly along with the increase of the service time, so that the roller needs to be cooled by adopting a cooling and heat dissipation device.

The outer surface temperature of the existing roller cooling and heat radiating device can be carried out in air cooling or water cooling modes, but the temperature of an inner cavity cannot be well cooled, so that the temperature difference inside and outside the roller is too large, the thermal stress is increased, the service life of the roller is shortened, the inner cavity of the roller is not ventilated, and the roller can be broken due to the fact that the roller is cooled when the temperature difference is large, so that the normal use of the roller is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a roll cooling heat abstractor has solved the problem that the inner chamber does not ventilate, the inside and outside difference in temperature is too big.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a roll cooling heat abstractor, includes the roller core, the roller core surface is provided with the adapter sleeve, the adapter sleeve surface is provided with the roller shell, the roller shell surface is provided with the roll, be provided with the packing ring between adapter sleeve and the roller shell, the adapter sleeve surface is provided with the thermovent, roller shell one end is provided with the coolant liquid hole, the inside interior runner that is provided with of roller shell, the inside cooling bath that is provided with of roller core, the inside cooling tube that is provided with of cooling bath, the inside cooling core that is provided with of cooling tube, the inside coolant liquid that is provided with of interior runner, the inside center of roller core is provided with the axle center, be provided with the ventilation hole around the axle.

As a preferred technical scheme of the utility model, roller core external diameter is the same with adapter sleeve internal diameter, roller core and adapter sleeve fixed connection, adapter sleeve external diameter and roller shell internal diameter looks adaptation, adapter sleeve and packing ring fixed connection, packing ring and roller shell fixed connection, the adapter sleeve passes through packing ring and roller shell fixed connection.

As a preferred technical scheme of the utility model, the thermovent runs through the adapter sleeve inner wall, the adapter sleeve passes through thermovent and external intercommunication, thermovent quantity is six groups, is the equidistance and arranges.

As a preferred technical scheme of the utility model, coolant liquid hole and roller shell inner chamber intercommunication, coolant liquid hole external diameter size and roller shell thickness size looks adaptation, coolant liquid hole quantity is a plurality of groups, is the circumference equidistance and arranges, the coolant liquid hole communicates with each other with interior runner, interior runner quantity is a plurality of groups, is the equidistance and arranges.

As a preferred technical scheme of the utility model, cooling bath external diameter size and roller core internal diameter size looks adaptation, cooling tube external diameter size and cooling bath external diameter size looks adaptation, cooling tube and cooling bath fixed connection, cooling tube internal diameter size and cooling core external diameter size looks adaptation, cooling tube and cooling core fixed connection.

As a preferred technical scheme of the utility model, axle center external diameter size and roller core internal diameter size looks adaptation, the ventilation hole sets up in roller core both ends, the ventilation hole runs through roller core inner chamber and external intercommunication, ventilation hole quantity is a plurality of groups, is the circumference equidistance and arranges.

As the utility model discloses a preferred technical scheme, the fan sets up inside the roller core left end, fan external diameter and roller core internal diameter looks adaptation, fan and roller core inner wall fixed connection.

Compared with the prior art, the utility model provides a roll cooling heat abstractor possesses following beneficial effect:

1. this roll cooling heat abstractor through setting up the thermovent, when roller shell inner chamber high temperature, the accessible thermovent discharges out partial heat, and through setting up fan and ventilation hole at roller core both ends, drives the circulation of air inner chamber through the ventilation hole, and utilizes the fan to accelerate the circulation of air speed, makes the device cooling rate accelerate.

2. This roll cooling heat abstractor through setting up the coolant liquid hole, with the coolant liquid injection coolant liquid downthehole, the coolant liquid is along with the interior runner of coolant liquid hole inflow, and the coolant liquid adsorbs a large amount of heats and conveys the heat to the cooling bath circulating the in-process, and the cooling tube dispels the heat to the heat, and the cooling core absorbs the heat to reach cooling effect.

Drawings

FIG. 1 is a schematic view of the external structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic view of the roller core structure of the present invention;

fig. 4 is the structural schematic diagram of the structure fan of the present invention.

In the figure: 1. a roll core; 2. connecting sleeves; 3. a roller sleeve; 4. rolling; 5. a gasket; 6. a heat dissipation port; 7. a coolant hole; 8. an inner flow passage; 9. a cooling tank; 10. a radiating pipe; 11. a cooling core; 12. cooling liquid; 13. an axis; 14. a vent hole; 15. a fan.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, in this embodiment: the utility model provides a roll cooling heat abstractor, including

roller core

1, 1 surface of roller core is provided with

adapter sleeve

2, 2 surfaces of adapter sleeve are provided with

roller shell

3, 3 surfaces of roller shell are provided with roll 4, be provided with packing ring 5 between adapter sleeve 2 and the

roller shell

3, 2 surfaces of adapter sleeve are provided with thermovent 6, 3 one end of roller shell are provided with coolant

liquid hole

7, 3 inside interior runners 8 that are provided with of roller shell, 1 inside cooling bath 9 that is provided with of roller core, 9 inside cooling tube 10 that is provided with of cooling tube, 10 inside cooling cores 11 that are provided with of cooling tube, 8 inside coolant liquid 12 that are provided with of interior runner, 1 inside center of roller core is provided with axle center 13, be provided with ventilation hole 14 around

axle center

13, 1.

In the embodiment, the outer diameter of the roller core 1 is the same as the inner diameter of the connecting sleeve 2, the roller core 1 is fixedly connected with the connecting sleeve 2, the connecting sleeve 2 is used for connecting the roller core 1 with the roller sleeve 3, the outer diameter of the connecting sleeve 2 is matched with the inner diameter of the roller sleeve 3, the connecting sleeve 2 is fixedly connected with the gasket 5, the gasket 5 is used for ensuring the sealing property of the connecting sleeve 2 and the roller sleeve 3, the gasket 5 is fixedly connected with the roller sleeve 3, and the connecting sleeve 2 is fixedly connected with the roller sleeve 3 through the gasket 5, so that the device is stable in structure and is not; the heat dissipation ports 6 penetrate through the inner wall of the connecting sleeve 2 and are used for dissipating heat in the pipe, the connecting sleeve 2 is communicated with the outside through the heat dissipation ports 6, the number of the heat dissipation ports 6 is six, and the heat dissipation ports are arranged at equal intervals, so that the heat in the inner cavity of the roller core 1 is communicated with the outside air, and the heat dissipation is realized; the cooling liquid holes 7 are communicated with the inner cavity of the roller sleeve 3 and used for injecting cooling liquid 12, the outer diameter size of the cooling liquid holes 7 is matched with the thickness size of the roller sleeve 3, the number of the cooling liquid holes 7 is a plurality of groups and are arranged in a circumferential equidistant mode, so that the inner cavity of the roller core 1 is cooled uniformly, the cooling liquid holes 7 are communicated with the inner flow channel 8, the cooling liquid holes absorb heat through the inner flow channel 8 and transmit the heat to the cooling groove 9, and the number of the inner flow channels 8 is a plurality of groups and are arranged in an equidistant mode, so that the cooling is uniform; the outer diameter of the cooling groove 9 is matched with the inner diameter of the roller core 1, the outer diameter of the radiating pipe 10 is matched with the outer diameter of the cooling groove 9, the radiating pipe 10 is fixedly connected with the cooling groove 9 and used for internal radiation, the inner diameter of the radiating pipe 10 is matched with the outer diameter of the cooling core 11, and the radiating pipe 10 is fixedly connected with the cooling core 11 and used for absorbing heat; the outer diameter of the axle center 13 is matched with the inner diameter of the roller core 1, the vent holes 14 are arranged at two ends of the roller core 1 and used for ventilating the inner cavity of the roller sleeve 3, the vent holes 14 penetrate through the inner cavity of the roller core 1 and are communicated with the outside, the vent holes 14 are arranged in a plurality of groups in a circumferential equidistant mode, and the circulation of the inner cavity of the roller sleeve 3 and the outside air is increased; fan 15 sets up inside 1 left end of roller core, 15 external diameter of fan and 1 internal diameter size looks adaptations of roller core,

fan

15 and 1 inner wall fixed connection of roller core for the circulation of air makes the heat dissipation cooling effect better.

The utility model discloses a theory of operation and use flow: after the roller cooling and heat dissipating device is installed, a roller 4 rolls steel through a roller sleeve 3, along with the increase of rolling time, the temperature of the roller sleeve 3 and a roller core 1 gradually rises, the temperature of the surface of the roller sleeve 3 can be cooled through various modes such as water cooling or air cooling, when the temperature of an inner cavity of the roller sleeve 3 is too high, partial heat can be discharged through communication between a heat dissipation port 6 and outside air, a fan 15 and a ventilation hole 14 are arranged at two ends of the roller core 1, an air circulation inner cavity is driven through the ventilation hole 14, partial heat is reduced, the air circulation speed is increased through the fan 15, and the cooling speed of the inner cavity of the roller sleeve 3 is increased; then pour into coolant liquid 12 into in the coolant liquid hole 7, coolant liquid 12 flows into interior runner 8 along with coolant liquid hole 7, coolant liquid 12 adsorbs a large amount of heats and conveys the heat to cooling bath 9 circulating the in-process, cooling tube 10 dispels the heat to the heat, cooling core 11 absorbs the heat and cools down, the steam that the cooling produced is discharged from thermovent 6, thereby reach the refrigerated effect of cooling down, reduce because of the too big damaged possibility of roll 4 appearance that leads to of inside and outside difference in temperature, the life of roll 4 has been increased.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a roll cooling heat abstractor, includes roller core (1), its characterized in that: the roll core (1) outer surface is provided with a connecting sleeve (2), the connecting sleeve (2) outer surface is provided with a roll sleeve (3), the roll sleeve (3) outer surface is provided with a roll (4), a gasket (5) is arranged between the connecting sleeve (2) and the roll sleeve (3), the connecting sleeve (2) surface is provided with a heat dissipation port (6), one end of the roll sleeve (3) is provided with a cooling liquid hole (7), an inner runner (8) is arranged inside the roll sleeve (3), a cooling groove (9) is arranged inside the roll core (1), a cooling pipe (10) is arranged inside the cooling groove (9), a cooling core (11) is arranged inside the cooling pipe (10), a cooling liquid (12) is arranged inside the inner runner (8), the center inside of the roll core (1) is provided with an axis (13), and ventilation holes (14) are arranged around the axis (13), and one end of the roller core (1) is provided with a fan (15).

2. The roller cooling and heat dissipating device of claim 1, wherein: roller core (1) external diameter size is the same with adapter sleeve (2) internal diameter size, roller core (1) and adapter sleeve (2) fixed connection, adapter sleeve (2) external diameter size and roller shell (3) internal diameter size looks adaptation, adapter sleeve (2) and packing ring (5) fixed connection, packing ring (5) and roller shell (3) fixed connection, adapter sleeve (2) are through packing ring (5) and roller shell (3) fixed connection.

3. The roller cooling and heat dissipating device of claim 1, wherein: the heat dissipation ports (6) penetrate through the inner wall of the connecting sleeve (2), the connecting sleeve (2) is communicated with the outside through the heat dissipation ports (6), and the number of the heat dissipation ports (6) is six groups and is arranged in an equidistant mode.

4. The roller cooling and heat dissipating device of claim 1, wherein: coolant liquid hole (7) and roller shell (3) inner chamber intercommunication, coolant liquid hole (7) external diameter size and roller shell (3) thickness size looks adaptation, coolant liquid hole (7) quantity is a plurality of groups, is the circumference equidistance and arranges, coolant liquid hole (7) communicate with each other with interior runner (8), interior runner (8) quantity is a plurality of groups, is the equidistance and arranges.

5. The roller cooling and heat dissipating device of claim 1, wherein: cooling bath (9) external diameter dimension and roller core (1) internal diameter dimension looks adaptation, cooling tube (10) external diameter dimension and cooling bath (9) external diameter dimension looks adaptation, cooling tube (10) and cooling bath (9) fixed connection, cooling tube (10) internal diameter dimension and cooling core (11) external diameter dimension looks adaptation, cooling tube (10) and cooling core (11) fixed connection.

6. The roller cooling and heat dissipating device of claim 1, wherein: axle center (13) external diameter size and roller core (1) internal diameter size looks adaptation, ventilation hole (14) set up in roller core (1) both ends, ventilation hole (14) run through roller core (1) inner chamber and external intercommunication, ventilation hole (14) quantity is a plurality of groups, is the circumference equidistance and arranges.

7. The roller cooling and heat dissipating device of claim 1, wherein: fan (15) set up inside roller core (1) left end, fan (15) external diameter size and roller core (1) internal diameter size looks adaptation, fan (15) and roller core (1) inner wall fixed connection.