CN220183337U - Quenching device for roller - Google Patents

Abstract

The utility model provides a quenching device for a roller, which comprises a frame body, a bearing assembly, an air cooling assembly and a fog cooling assembly, wherein the frame body is used for installing the bearing assembly and the air cooling assembly to proper positions, the bearing assembly comprises bearing rollers with the number not less than two, and the axes of the bearing rollers are parallel to each other and are parallel to a horizontal plane; the air cooling assembly comprises a fan and an air cooling channel, the self posture of the fan is adjustably connected to the frame body, and the air cooling channel is provided with a first port which is fixedly communicated with an air outlet of the fan and a second port which corresponds to the receiving roller; the fog cooling assembly comprises a water supply pipeline and an atomizing nozzle, the water supply pipeline is arranged on the air cooling assembly, and the atomizing nozzle corresponds to the receiving roller. The quenching device for the roller can solve the technical problem that the cooling effect is poor due to the fact that an air film is generated between cooling water flow and the outer surface of the roller to be quenched in the cooling process of the roller to be quenched in the prior art.

Description

Quenching device for roller

Technical Field

The utility model belongs to the field of machining, and particularly relates to a quenching device for a roller.

Background

Rolls are the primary working components and tools that produce continuous plastic deformation of metal. The roller mainly comprises a roller body, a roller neck and a shaft head. The roll body is the middle part of the roll that actually participates in rolling metal, and has a smooth cylindrical or grooved surface. The roll neck is arranged in the bearing and transmits rolling force to the frame through the bearing seat and the pressing device. The shaft head of the driving end is connected with the gear seat through a connecting shaft, and the rotating moment of the motor is transmitted to the roller. In actual use, the rolls may be arranged in a roll stand in the form of two, three, four or more rolls.

After the roller is manufactured and formed initially, spray quenching is required to be carried out on the roller body part of the roller so as to improve the hardness of the roller body part, and generally, in the prior art, the roller is generally hardened by adopting a spray water quenching production mode. However, the temperature of the roll body is generally heated to 950 ° or more before quenching, and when the conventional cooling mist cools the outer surface of the roll body, the cooling water flow is vaporized by the high temperature, and a gas film is formed between the roll body and the cooling water flow. The gas film acts as a poor conductor of heat, which adversely affects the quenching effect of the roll body.

Disclosure of Invention

The utility model aims to provide a quenching device for a roller, which aims to solve the technical problem that the cooling effect is poor due to the fact that an air film is generated between cooling water flow and the outer surface of the roller to be quenched in the cooling process of the conventional roller to be quenched.

In order to achieve the above purpose, the utility model adopts the following technical scheme: provided is a quenching device for a roll, comprising:

a frame body;

the bearing assembly comprises at least two bearing rollers which are arranged on the frame body at intervals along a first horizontal direction, each bearing roller is rotatably arranged on the frame body, the axis of each bearing roller is parallel to a second horizontal direction, and the second horizontal direction is perpendicular to the first horizontal direction;

the air cooling assembly comprises a fan and an air cooling channel, the fan is rotationally connected to the frame body by taking a horizontal axis as a rotation center, the horizontal axis is parallel to the first horizontal direction, and the air cooling channel is provided with a first port connected with an air outlet of the fan and a second port corresponding to the receiving roller;

the mist cooling assembly comprises a water supply pipeline and an atomizing nozzle, wherein the water supply pipeline is arranged on the air cooling assembly, one end of the atomizing nozzle is communicated with the water supply pipeline, and the other end of the atomizing nozzle is positioned above the second port and corresponds to the receiving roller.

Further, the quenching device for the roller further comprises an adjusting component arranged between the fan and the frame body, wherein the adjusting component comprises a hinge shaft and a screw rod transmission mechanism; the hinge shaft is parallel to the axis of the bearing roller, the hinge shaft is arranged at one side of the bottom of the fan, which is close to the bearing roller, the fan is rotationally connected with the frame body through the hinge shaft, the screw transmission mechanism is respectively connected with the fan and the frame body from top to bottom, the screw transmission mechanism is connected with one side of the bottom of the fan, which is away from the hinge shaft 51, and the length direction of the screw transmission mechanism is perpendicular to the axial direction of the hinge shaft.

Further, the screw transmission mechanism comprises a transmission screw, a fixed bearing, a limit nut and an operation handle, wherein the fixed bearing is arranged on the frame body, the bottom end of the transmission screw is rotationally connected with the frame body through the fixed bearing, the limit nut is arranged at the bottom of the fan, the transmission screw is in threaded fit with the limit nut, and the operation handle is fixedly arranged at the top end of the transmission screw.

Further, the bearing assembly comprises a supporting seat which is further arranged at the shaft end of the bearing roller, and a driving motor which is arranged on the supporting seat, wherein the supporting seat is fixed on the frame body, and an output shaft of the driving motor is fixedly connected with the shaft end of the bearing roller.

Further, the second port is a flat rectangular port, and the length direction of the second port is parallel to the axial direction of the receiving roller.

Further, the quenching device for the roller further comprises a flow guide assembly arranged on the frame body, a flow guide groove is formed in the top of the flow guide assembly, and two ends of the flow guide groove extend to the outer side of the frame body along the axial direction of the receiving roller.

Further, the diversion assembly further comprises a shielding plate, and the shielding plate is movably arranged on one side of the diversion trench, which faces the receiving assembly, along the axial direction of the receiving roller.

Further, the forced air cooling subassembly still including solid dress in the mount pad of fan bottom, the mount pad includes first mounting panel, second mounting panel and landing leg, the face of first mounting panel is on a parallel with the face of second mounting panel, the upper end of landing leg with first mounting panel fixed connection, the bottom of landing leg with second mounting panel fixed connection, the fan solid dress in on the first mounting panel, the second mounting panel with horizontal axis is rotatory central line, rotate set up in the support body.

Further, the frame body comprises a first connecting frame connected with the second mounting plate and a second connecting frame used for mounting the bearing roller, and the first connecting frame and the second connecting frame are arranged in a split mode.

The quenching device for the roller has the beneficial effects that: compared with the prior art, the quenching device for the roller has the advantages that the frame body can fix the receiving roller and the fan at the specified positions, so that the relative positions of the receiving roller and the fan are more reasonable. In addition, the utility model can quickly take away the heat of the roller to be quenched by utilizing a fan after cooling water in a spraying state is sprayed onto the roller to be quenched by mutually matching the air cooling component and the mist cooling component, thereby improving the technical problem that an air film is generated between the cooling water flow and the roller due to high temperature when the conventional cooling water flow directly washes the roller to be quenched, and further influencing the cooling effect of the roller to be quenched.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art. In the drawings:

FIG. 1 is a front view of a quenching apparatus for rolls according to the present utility model;

fig. 2 is a schematic view of a part of a structure of the quenching apparatus for rolls according to the present utility model in a plan view.

In the figure:

1. a frame body; 11. a first connection frame; 12. a second connecting frame; 13. a flow guiding assembly; 131. a diversion trench; 132. a shutter;

2. a receiving assembly; 21. a receiving roller; 22. a support base; 23. a driving motor;

3. an air cooling assembly; 31. a blower; 32. an air cooling channel; 321. a first port; 322. a second port; 3221. a first flanging; 3222. a second flanging; 33. a mounting base; 331. a first mounting plate; 332. a second mounting plate; 333. a support leg;

4. a mist cooling assembly; 41. a water supply line; 42. an atomizing nozzle;

5. an adjustment assembly; 51. a hinge shaft; 52. a screw drive mechanism; 521. a transmission screw; 522. fixing a bearing; 523. a limit nut; 524. an operating handle;

6. and (5) a roller to be quenched.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Referring to fig. 1 and 2 together, a quenching apparatus for rolls according to the present utility model will now be described. The quenching device for the roller comprises a frame body 1, a bearing assembly 2, an air cooling assembly 3 and a fog cooling assembly 4, wherein the frame body 1 is used for installing the bearing assembly 2 and the air cooling assembly 3 to proper positions, the bearing assembly 2 comprises at least two bearing rollers 21 which are arranged on the frame body 1 at intervals along a first horizontal direction, each bearing roller 21 is rotatably arranged on the frame body 1, the axis of each bearing roller 21 is parallel to a second horizontal direction, and the second horizontal direction is perpendicular to the first horizontal direction; the air cooling assembly 3 comprises a fan 31 and an air cooling channel 32, the fan 31 is rotatably connected to the frame body 1 by taking a horizontal axis as a rotation center, the horizontal axis is parallel to a first horizontal direction, and the air cooling channel 32 is provided with a first port 321 connected with an air outlet of the fan 31 and a second port 322 corresponding to the receiving roller 21; the mist cooling assembly 4 comprises a water supply pipeline 41 and an atomizing nozzle 42, wherein the water supply pipeline 41 is arranged on the air cooling assembly 3, one end of the atomizing nozzle 42 is communicated with the water supply pipeline 41, and the other end of the atomizing nozzle 42 is positioned above the second port 322 and corresponds to the receiving roller 21.

Optionally, in this embodiment, the fan 31 is selected as the blower 31 to ensure the airflow velocity at the second port 322 of the air cooling channel 32, and meanwhile, the air cooling channel 32 is integrally formed by welding sheet metal parts, where the air cooling channel 32 includes a first sheet metal part and a second sheet metal part arranged along the up-down direction, and a third sheet metal part and a fourth sheet metal part arranged along the horizontal direction, and the air cooling channel 32 is formed by encircling the sheet metal parts. In addition, in order to enhance the structural strength of the air cooling channel 32 at the second port 322, a first flange 3221 is extended upward from the edge portion of the first sheet metal part, and a second flange 3222 is extended downward from the edge portion of the second sheet metal part, corresponding to the second port 322.

Compared with the prior art, the quenching device for the roller has the following beneficial effects:

firstly, the frame 1 in the embodiment can fix the receiving roller 21 and the fan 31 at a specified position, so that the relative positions of the receiving roller 21 and the fan 31 are more reasonable; secondly, the receiving roller 21 can rotate the roller 6 to be quenched on the frame body 1 through rotation of the receiving roller, and then the outer peripheral surface of the roller 6 to be quenched can be cooled by 360 degrees under the mutual matching of the air cooling component 3 and the mist cooling component 4; in addition, in this embodiment, through the mutual cooperation of the air cooling component 3 and the mist cooling component 4, after the cooling water in the mist state is sprayed onto the roller 6 to be quenched, the fan 31 is utilized to blow the roller 6 to be quenched, so that the heat of the roller 6 to be quenched can be rapidly taken away, and further the technical problem that when the existing cooling water flow directly flushes the roller 6 to be quenched, the air film appears between the cooling water flow and the roller due to high temperature, and the cooling effect of the roller 6 to be quenched is affected is solved.

In some embodiments, the quenching device for the roller further comprises an adjusting component 5 arranged between the fan 31 and the frame body 1, the adjusting component 5 comprises a hinge shaft 51 and a screw transmission mechanism 52, the hinge shaft 51 is parallel to the axis of the receiving roller 21, the hinge shaft 51 is arranged at one side of the bottom of the fan 31, which is close to the receiving roller 21, the fan 31 is connected with the frame body 1 through rotation of the hinge shaft 51, the screw transmission mechanism 52 is respectively connected with the fan 31 and the frame body 1 from top to bottom, the screw transmission mechanism 52 is connected with one side of the bottom of the fan 31, which is away from the hinge shaft 51, and the length direction of the screw transmission mechanism 52 is perpendicular to the axial direction of the hinge shaft 51.

In the present embodiment, by operating the screw transmission mechanism 52, the blower 31 can swing with respect to the frame body 1 about the axis of the hinge shaft 51, thereby adjusting the orientation of the second port 322 in such a manner as to change the inclination angle of the blower 31. In this way, when there is a large difference in the sizes of the rolls 6 to be quenched placed on the receiving roll 21, the second port 322 can be always aligned to the rolls 6 to be quenched by changing the cleaning angle of the blower 31, so that the applicability of the quenching device for rolls of the present utility model to rolls of different sizes is improved.

In the specific implementation, the screw transmission mechanism 52 in this embodiment is perpendicular to the horizontal plane and the axial direction of the hinge shaft 51 only when the fan 31 is not in the inclined state, and when the fan 31 is in the inclined state, the screw transmission mechanism 52 forms a certain angle with the horizontal plane, but is also perpendicular to the axial direction of the hinge shaft 51.

In some embodiments, the screw transmission mechanism 52 includes a transmission screw 521, a fixed bearing 522, a limit nut 523 and an operation handle 524, where the fixed bearing 522 is disposed on the frame 1, the bottom end of the transmission screw 521 is rotationally connected with the frame 1 through the fixed bearing 522, the limit nut 523 is disposed on the bottom of the fan 31, the transmission screw 521 is in threaded fit with the limit nut 523, and the operation handle 524 is fixedly disposed on the top end of the transmission screw 521 and is used for driving the transmission screw 521 to rotate with its own axis as a rotation axis.

More specifically, the use process of this embodiment is described in detail below: when the inclination angle of the fan 31 needs to be adjusted, the transmission screw 521 can be rotated by rotating the operation handle with the axis thereof as the center, and the bottom end of the transmission screw 521 is connected to the frame body 1 through the fixed bearing 522 in the rotation process, so that the transmission screw 521 cannot move along the axial direction thereof; the top of the driving screw 521 is connected to the fan 31 by a limit nut 523, so that when the driving screw 521 rotates, the fan 31 can swing relative to the frame 1 around the axis of the hinge shaft 51, and the direction of the second port 322 can be adjusted.

Compared with the prior art, the inclination angle of the fan 31 can be more accurately adjusted by the thread adaptation of the transmission screw 521 and the limit nut 523, and meanwhile, the thread adaptation of the transmission screw 521 and the limit nut 523 has a self-locking effect, which is beneficial to keeping the fan 31 at a specified inclination angle.

In some embodiments, the bearing assembly 2 further includes a supporting seat 22 disposed at the shaft end of the bearing roller 21, and a driving motor 23 disposed on the supporting seat 22, where the supporting seat 22 is fixed on the frame 1, the driving motor 23 is disposed on the supporting seat 22, and an output shaft of the driving motor 23 is fixedly connected with the shaft end of the bearing roller 21.

In some embodiments, to make the air flow exiting the second port 322 more compatible with the roll to be quenched, the second port 322 is a flat rectangular port, and the length of the second port 322 is parallel to the axial direction of the uptake roll 21.

Optionally, in order to enhance the quenching effect on the roller, the number of the atomizing nozzles 42 is a plurality of atomizing nozzles arranged along the axial direction of the receiving roller 21 at intervals, and the axes of the atomizing nozzles 42 are parallel to each other and are all fixed at the top of the air cooling channel 32, so that when the small water droplets sprayed out by the atomizing nozzles 42 are in contact with the outer surface of the roller 6 to be quenched, the evaporation rate of the small water droplets can be increased by the air flow blown out by the second port 322, and compared with the existing water flow, the cooling water flow composed of a plurality of small water droplets also has the advantages of larger surface area and high evaporation rate, so that the heat of the roller 6 to be quenched can be taken away more quickly, and the quenching efficiency of the roller 6 to be quenched is improved.

In some embodiments, the quenching device for the roller further comprises a diversion assembly 13 arranged on the frame body 1, the top of the diversion assembly 13 is provided with a diversion trench 131, and two ends of the diversion trench 131 extend to the outer side of the frame body 1 along the axial direction of the receiving roller 21.

In some embodiments, in order to prevent the atomizing nozzle 42 from spraying the cooling water flow to the neck portion of the roll, the diversion assembly 13 further includes a shroud 132, and in order to adapt to the rolls of different specifications, the shroud 132 is movably disposed along the axial direction of the receiving roll 21 on the side of the diversion trench 131 facing the receiving assembly 2.

It should be noted that, the plate surface of the shielding plate 132 is perpendicular to the axial direction of each atomizing nozzle 42, the flow guiding groove 131 is formed by splicing profile steel (e.g. channel steel), and a connecting portion adapted to the shape of the flow guiding groove 131 is formed at the bottom of the shielding plate 132, so that the shielding plate 132 can be connected to the wall of the flow guiding groove 131.

In some embodiments, the air cooling assembly 3 further includes a mounting seat 33 fixedly mounted at the bottom of the fan 31, the mounting seat 33 includes a first mounting plate 331, a second mounting plate 332 and a supporting leg 333, the plate surface of the first mounting plate 331 is parallel to the plate surface of the second mounting plate 332, the upper end of the supporting leg 333 is fixedly connected with the first mounting plate 331, the bottom end of the supporting leg 333 is fixedly connected with the second mounting plate 332, the fan 31 is fixedly mounted on the first mounting plate 331, and the second mounting plate 332 is rotatably disposed on the frame body 1 with the horizontal axis as the rotation center.

In this embodiment, by setting the mounting seat 33, a more stable mounting structure is provided for the fan 31, and the inclination angle of the fan 31 can be changed by adjusting the posture of the second mounting plate 332, so that the air outlet flow direction of the second port 322 is more accurate. In addition, the mounting plate in this embodiment adopts the screw transmission mechanism 52 and the hinge to realize the movable connection with the frame body 1.

In some embodiments, the frame body 1 includes a first connection frame 11 connected to the second mounting plate 332, and a second connection frame 12 for mounting the receiving roller 21, the first connection frame 11 and the second connection frame 12 being provided separately; and the first connecting frame 11 and the second connecting frame 12 are formed by overlapping section steel.

In this embodiment, the frame body 1 is divided into the first connecting frame 11 and the second connecting frame 12, which can be used for installing the cooling component and the receiving component 2 respectively, and is beneficial to adjusting the relative positions of the air cooling component 3 and the receiving component 2, so as to prevent the adverse effect on the operation of the fan 31 caused by the rotation of the receiving roller 21.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims (9)

1. A quenching apparatus for a roll, comprising:

a frame body (1);

the bearing assembly (2) comprises at least two bearing rollers (21) which are arranged on the frame body (1) at intervals along a first horizontal direction, each bearing roller (21) is rotatably arranged on the frame body (1), the axis of each bearing roller (21) is parallel to a second horizontal direction, and the second horizontal direction is perpendicular to the first horizontal direction;

the air cooling assembly (3) comprises a fan (31) and an air cooling channel (32), wherein the fan (31) is rotationally connected to the frame body (1) by taking a horizontal axis as a rotation center, the horizontal axis is parallel to the first horizontal direction, the air cooling channel (32) is provided with a first port (321) connected with an air outlet of the fan (31) and a second port (322) corresponding to the receiving roller (21);

the mist cooling assembly (4) comprises a water supply pipeline (41) and an atomizing nozzle (42), wherein the water supply pipeline (41) is arranged on the air cooling assembly (3), one end of the atomizing nozzle (42) is communicated with the water supply pipeline (41), and the other end of the atomizing nozzle is positioned above the second port (322) and corresponds to the receiving roller (21).

2. A quenching device for rolls according to claim 1, characterized in that it further comprises an adjusting assembly (5) interposed between the blower (31) and the frame (1), the adjusting assembly (5) comprising a hinge shaft (51) and a screw transmission (52); the hinge shaft (51) is parallel to the axis of the bearing roller (21), the hinge shaft (51) is arranged at one side, close to the bearing roller (21), of the bottom of the fan (31), the fan (31) is rotationally connected with the frame body (1) through the hinge shaft (51), the screw transmission mechanism (52) is respectively connected with the fan (31) and the frame body (1) from top to bottom, and the screw transmission mechanism (52) is connected with one side, deviating from the hinge shaft (51), of the bottom of the fan (31), and the length direction of the screw transmission mechanism (52) is perpendicular to the axial direction of the hinge shaft (51).

3. The quenching device for rollers according to claim 2, wherein the screw transmission mechanism (52) comprises a transmission screw (521), a fixed bearing (522), a limit nut (523) and an operation handle (524), the fixed bearing (522) is arranged on the frame body (1), the bottom end of the transmission screw (521) is rotationally connected with the frame body (1) through the fixed bearing (522), the limit nut (523) is arranged at the bottom of the fan (31), the transmission screw (521) is in threaded fit with the limit nut (523), and the operation handle (524) is fixedly arranged at the top end of the transmission screw (521).

4. The quenching device for rolls according to claim 1, wherein the receiving assembly (2) comprises a supporting seat (22) which is also arranged at the shaft end of the receiving roll (21), and a driving motor (23) which is arranged on the supporting seat (22), the supporting seat (22) is fixed on the frame body (1), and an output shaft of the driving motor (23) is fixedly connected with the shaft end of the receiving roll (21).

5. The quenching apparatus for rolls according to claim 1, wherein the second port (322) is a flat rectangular port, and a longitudinal direction of the second port (322) is parallel to an axial direction of the receiving roll (21).

6. A quenching apparatus for rolls as claimed in claim 3, characterized in that the quenching apparatus for rolls further comprises a diversion assembly (13) provided on the frame body (1), the top of the diversion assembly (13) is provided with a diversion trench (131), and both ends of the diversion trench (131) extend to the outer side of the frame body (1) along the axial direction of the receiving roll (21).

7. The quenching apparatus as claimed in claim 6, wherein the guide assembly (13) further comprises a shutter (132), and the shutter (132) is provided on a side of the guide groove (131) facing the receiving assembly (2) in the axial direction of the receiving roller (21).

8. The quenching device for rollers according to claim 1, wherein the air cooling assembly (3) further comprises a mounting seat (33) fixedly mounted at the bottom of the fan (31), the mounting seat (33) comprises a first mounting plate (331), a second mounting plate (332) and a supporting leg (333), the plate surface of the first mounting plate (331) is parallel to the plate surface of the second mounting plate (332), the upper end of the supporting leg (333) is fixedly connected with the first mounting plate (331), the bottom end of the supporting leg (333) is fixedly connected with the second mounting plate (332), the fan (31) is fixedly mounted on the first mounting plate (331), and the second mounting plate (332) is rotatably arranged on the frame body (1) by taking the horizontal axis as a rotation center line.

9. The quenching apparatus for rolls as set forth in claim 8, wherein the frame body (1) includes a first connection frame (11) connected to the second mounting plate (332), and a second connection frame (12) for mounting the receiving roll (21), the first connection frame (11) and the second connection frame (12) being provided separately.