CN215713176U

CN215713176U - Continuous heating furnace with normalizing and tempering functions

Info

Publication number: CN215713176U
Application number: CN202120362986.2U
Authority: CN
Inventors: 王东; 刘学文; 李亮亮; 缪云伟
Original assignee: Jiangyin Xingcheng Special Steel Works Co Ltd
Current assignee: Jiangyin Xingcheng Special Steel Works Co Ltd
Priority date: 2021-02-07
Filing date: 2021-02-07
Publication date: 2022-02-01
Anticipated expiration: 2031-02-07

Abstract

The utility model discloses a continuous heating furnace with a normalizing and tempering function, which relates to the technical field of continuous heating furnace equipment and comprises a base, a continuous heating furnace, a first cavity, a rotating roller, a track, a heat insulation plate, a heating mechanism, a cooling pipeline, a cooler, a support frame, a fan, a second servo motor, a vent, a second cavity, a first servo motor, an exhaust fan, an electric telescopic rod, a rotating shaft, a movable plate and an L-shaped block. The heat insulation plate, the cooling pipeline, the fan and the exhaust fan are arranged, the normalizing work and the tempering work and the heating work of the raw materials are simultaneously carried out, the working efficiency of the device is ensured, and the waste is reduced, so that the working effect of the device is ensured.

Description

Continuous heating furnace with normalizing and tempering functions

Technical Field

The utility model relates to the technical field of continuous heating furnace equipment, in particular to a continuous heating furnace with a normalizing and tempering function.

Background

The continuous heating furnace is the most commonly used furnace in a steel rolling workshop for heating steel materials, the temperature is about 900-1350 ℃ in the process of heating blanks generally, and the temperature is about 700-1150 ℃ in the process of heat treatment. In a continuous furnace, the operation of the furnace is continuous, and the blanks are loaded from the tail of the furnace with a lower furnace temperature, moved to the head of the furnace with a higher furnace temperature at a certain speed under the action of a machine, and moved in the opposite direction of the hot gas in the hearth, and are continuously discharged from the furnace when the blanks are heated to the temperature required by the process. When steel is processed, normalizing and tempering work is usually required to improve the comprehensive mechanical property and the cutting property of the steel.

The prior continuous heating furnace is usually carried out independently when normalizing and tempering raw materials, the working efficiency of the device is low, and the waste is easily caused, thereby affecting the working effect of the device.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a continuous heating furnace with normalizing and tempering functions, so as to solve the problems in the background technology.

In order to solve the technical problems, the utility model provides the following technical scheme: a continuous heating furnace with normalizing and tempering functions comprises a base, wherein the top of the base is provided with the continuous heating furnace, the continuous heating furnace is provided with a first cavity, the bottom of the inner wall of the first cavity is provided with a plurality of rotary rollers which are rotatably connected, one end of each rotary roller extends to the outer wall of the base, the outer walls of the plurality of rotary rollers are sleeved with the same crawler belt which is in sliding connection, one side of the outer wall of the continuous heating furnace is provided with a first servo motor, the output shaft of the first servo motor is fixedly connected with one of the rotary rollers, heat insulation plates are symmetrically arranged on two sides of the top of the first cavity, the top of the first cavity is provided with a heating mechanism on one side of the heat insulation plate, one adjacent side of the outer walls of the two heat insulation plates is provided with the same cooling pipeline, the top of the outer wall of the continuous heating furnace is provided with a cooler above the cooling pipeline, and the cooler is communicated with two ends of the cooling pipeline, one of the heat insulation plates is provided with a support frame in sliding connection below the cooling pipeline, the bottom of the support frame is provided with a fan in rotating connection, a second servo motor is arranged inside the support frame on one side of the fan, an output shaft of the second servo motor is fixedly connected with the fan, the bottom of the inner wall of the first cavity is provided with a vent below the cooling pipeline, the top of the base is provided with a second cavity on one side of the vent, an exhaust fan in sliding connection is arranged below the support frame on the inner wall of the second cavity, an electric telescopic rod is arranged above the support frame on the outer wall of the heat insulation plate, the output shaft of the electric telescopic rod is fixedly connected with the support frame, a rotating shaft in rotating connection is arranged on one side of the support frame on the outer wall of the heat insulation plate, a movable plate is sleeved on the outer wall of the rotating shaft, one end of the movable plate is fixedly connected with the support frame, the inner wall of the second cavity is provided with an L-shaped block in sliding connection with one side of the exhaust fan, one end of the L-shaped block is fixedly connected with the exhaust fan, and the other end of the L-shaped block extends into the first cavity and is rotatably connected with one end of the movable plate.

Furthermore, the temperature of one heating mechanism is higher than that of the other heating mechanism, so that the raw materials are transformed into austenite, bainite and pearlite, and the working effect of the device is ensured.

Furthermore, a feed inlet and a discharge outlet are symmetrically formed in two sides of the inner wall of the first cavity, raw materials are placed into the first cavity from the feed inlet, and the raw materials are discharged from the discharge outlet after work is finished.

Further, the top of the inner wall of the first cavity is provided with an air inlet at one side of the cooling pipeline, and cold air enters the first cavity from the air inlet to cool the raw materials.

Furthermore, the inner wall of the first cavity is provided with a ball bearing matched with the rotary roller, and the ball bearing is arranged to replace rotation, so that smoothness of the rotary roller during rotation is guaranteed.

Furthermore, the inner wall of the second cavity is provided with a sliding rail matched with the L-shaped block, so that the movement direction of the L-shaped block is limited, and the stability of the L-shaped block during movement is ensured.

Compared with the prior art, the utility model has the following beneficial effects:

1. the heat insulation plate, the cooling pipeline, the fan and the exhaust fan are arranged, so that the normalizing work, the tempering work and the heating work of the raw materials are simultaneously carried out, the working efficiency of the device is ensured, the waste is reduced, and the working effect of the device is ensured.

2. According to the utility model, the movable plate and the L-shaped block are arranged to drive the fan and the exhaust fan to approach the surface of the raw material, so that the raw material is cooled, the cooling efficiency of the device is further improved, and the working efficiency of the device is ensured.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a front cross-sectional view of the present invention in its entirety;

FIG. 2 is an enlarged schematic view of the utility model at A in FIG. 1;

FIG. 3 is a front view of the utility model as a whole;

FIG. 4 is a side sectional view of a second cavity of the present invention;

in the figure: 1. a base; 2. a continuous heating furnace; 3. a first cavity; 4. rotating the roller; 5. a crawler belt; 6. a heat insulation plate; 7. a heating mechanism; 8. a cooling duct; 9. a cooler; 10. a support frame; 11. a fan; 12. a second servo motor; 13. a vent; 14. a second cavity; 15. a first servo motor; 16. an exhaust fan; 17. an electric telescopic rod; 18. a rotating shaft; 19. a movable plate; 20. an L-shaped block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides the following technical solutions: a continuous heating furnace with normalizing and tempering functions comprises a base 1, wherein a continuous heating furnace 2 is arranged at the top of the base 1, a first cavity 3 is formed in the continuous heating furnace 2, a plurality of rotary rollers 4 which are rotatably connected are arranged at the bottom of the inner wall of the first cavity 3, one ends of the rotary rollers 4 extend to the outer wall of the base 1, the outer walls of the rotary rollers 4 are sleeved with the same crawler belt 5 which is in sliding connection, a first servo motor 15 is arranged on one side of the outer wall of the continuous heating furnace 2, an output shaft of the first servo motor 15 is fixedly connected with one of the rotary rollers 4, heat insulation plates 6 are symmetrically arranged on two sides of the top of the first cavity 3, a heating mechanism 7 is arranged at one side of the heat insulation plates 6 at the top of the first cavity 3, the same cooling pipeline 8 is arranged at one adjacent side of the outer walls of two heat insulation plates 6, and a cooler 9 is arranged above the cooling pipeline 8 at the top of the outer wall of the continuous heating furnace 2, the cooler 9 with the both ends intercommunication of cooling tube 8, one of them 6 outer walls of heat insulating board in cooling tube 8 below is equipped with sliding connection's support frame 10, support frame 10 bottom is equipped with the fan 11 of rotation connection, support frame 10 inside in fan 11 one side is equipped with second servo motor 12, second servo motor 12 output shaft with fan 11 fixed connection, 3 inner wall bottoms of first cavity in cooling tube 8 below has seted up vent 13, 1 top of base in second cavity 14 has been seted up to vent 13 one side, 14 inner walls of second cavity in support frame 10 below is equipped with sliding connection's air exhauster 16.

The temperature of one heating mechanism 7 is higher than that of the other heating mechanism 7, so that the raw materials are transformed into austenite, bainite and pearlite, and the working effect of the device is ensured.

A feeding hole and a discharging hole are symmetrically formed in two sides of the inner wall of the first cavity 3, raw materials are placed into the first cavity 3 from the feeding hole, and the raw materials are discharged from the discharging hole after work is finished.

The top of the inner wall of the first cavity 3 is provided with an air inlet at one side of the cooling pipeline 8, and cold air enters the first cavity 3 from the air inlet to cool the raw materials.

The inner wall of the first cavity 3 is provided with a ball bearing matched with the rotary roller 4, and the ball bearing is arranged to replace rotation, so that smoothness of the rotary roller 4 during rotation is guaranteed.

The implementation mode is specifically as follows: when in use, by arranging the heat insulation plate 6, the cooling pipeline 8, the fan 11 and the exhaust fan 16, when in work, raw materials are put into the top of the rotary roller 4 in the first cavity 3, the first servo motor 15 starts to work to drive one rotary roller 4 to move, one rotary roller 4 drives all the rotary rollers 4 to move together through the crawler 5 so as to push the raw materials to move, one heating mechanism 7 heats the raw materials to ensure that the raw materials are completely austenitized, the raw materials continue to move, when the raw materials pass through one heat insulation plate 6, the cooler 9 starts to work, cooling liquid is pressed into the cooling pipeline 8, the temperature of the air around the cooling pipeline 8 is reduced, the second servo motor 12 starts to work to drive the fan 11 to move, cold air is directly blown to the surface of the raw materials, the raw materials are cooled by air, the exhaust fan 16 starts to work, and high-temperature gas which is contacted with the raw materials is extracted, avoid high-temperature gas to influence the cooling effect of device, the austenite of forced air cooling stage raw materials is whole to be converted into the bainite, the raw materials continues the motion, after moving to another heat insulating board 6, another heating mechanism 7 carries out heating work to the raw materials once more, make partial bainite in the raw materials convert pearlite, the raw materials is discharged from first cavity 3 and is carried out the slow cooling, accomplish the processing work, go on the normalizing of raw materials, tempering work and heating work simultaneously, the work efficiency of device has been guaranteed, waste is reduced, thereby the work effect of device has been guaranteed.

Referring to fig. 1 and 4, the present invention provides a technical solution: the utility model provides a take continuous heating furnace of normalizing tempering function, still including set up in the electric telescopic handle 17 of 6 outer wall one sides of heat insulating board, electric telescopic handle 17 is located support frame 10 top, electric telescopic handle 17 output shaft with support frame 10 fixed connection, 6 outer walls of heat insulating board in support frame 10 one side is equipped with the pivot 18 of rotating the connection, 18 outer wall covers in pivot are equipped with fly leaf 19, fly leaf 19 one end with support frame 10 fixed connection, second cavity 14 inner wall in 16 one side of air exhauster is equipped with sliding connection's

L shape piece

20, 20 one end of L shape piece with 16 fixed connection of air exhauster, the 20 other end of L shape piece extend to 3 inside and with 19 one end of fly leaf rotates and connects.

The inner wall of the second cavity 14 is provided with a slide rail matched with the L-shaped block 20, so that the movement direction of the L-shaped block 20 is limited, and the stability of the L-shaped block 20 during movement is ensured.

The implementation mode is specifically as follows: during the use, through setting up fly leaf 19 and L-shaped piece 20, when the device needs to accelerate cooling efficiency, electric telescopic handle 17 begins to work, drives support frame 10 downstream to drive fan 11 and be close to towards the surface of raw materials, when support frame 10 downstream, drive fly leaf 19 and rotate round pivot 18, L-shaped piece 20 moves along with fly leaf 19 is upwards, thereby it is close to towards the raw materials surface to drive air exhauster 16, the cooling efficiency of device has further been promoted, thereby the work efficiency of device has been guaranteed.

The working principle of the utility model is as follows:

referring to the attached drawings 1-4 of the specification, through arranging the heat insulation plate 6, the cooling pipeline 8, the fan 11 and the exhaust fan 16, normalizing and tempering work and heating work of raw materials are carried out simultaneously, so that the working efficiency of the device is ensured, the waste is reduced, and the working effect of the device is ensured.

Further, referring to the attached drawings 1 and 4 of the specification, by arranging the movable plate 19 and the L-shaped block 20, the fan 11 and the exhaust fan 16 are driven to approach the surface of the raw material, so as to cool the raw material, and the cooling efficiency of the device is further improved, thereby ensuring the working efficiency of the device.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. 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 take continuous heating furnace of normalizing tempering function, includes base (1), its characterized in that: the continuous heating furnace is characterized in that a continuous heating furnace (2) is arranged at the top of the base (1), a first cavity (3) is formed in the continuous heating furnace (2), a plurality of rotary rollers (4) which are rotatably connected are arranged at the bottom of the inner wall of the first cavity (3), one end of each rotary roller (4) extends to the outer wall of the base (1), a plurality of rotary rollers (4) are sleeved with a same sliding-connection crawler belt (5), a first servo motor (15) is arranged on one side of the outer wall of the continuous heating furnace (2), an output shaft of the first servo motor (15) is fixedly connected with one of the rotary rollers (4), heat insulation plates (6) are symmetrically arranged on two sides of the top of the first cavity (3), a heating mechanism (7) is arranged on one side of each heat insulation plate (6), and the same cooling pipeline (8) is arranged on one adjacent side of the outer wall of each heat insulation plate (6), the continuous heating furnace is characterized in that a cooler (9) is arranged at the top of the outer wall of the continuous heating furnace (2) above the cooling pipeline (8), the cooler (9) is communicated with the two ends of the cooling pipeline (8), one of the heat insulation plates (6) is arranged below the cooling pipeline (8) and is provided with a support frame (10) in a sliding connection manner, the bottom of the support frame (10) is provided with a fan (11) in a rotating connection manner, the inside of the support frame (10) is provided with a second servo motor (12) on one side of the fan (11), an output shaft of the second servo motor (12) is fixedly connected with the fan (11), the bottom of the inner wall of the first cavity (3) is provided with a vent (13) below the cooling pipeline (8), the top of the base (1) is provided with a second cavity (14) on one side of the vent (13), the inner wall of the second cavity (14) is provided with an exhaust fan (16) in a sliding connection manner below the support frame (10), heat insulating board (6) outer wall in support frame (10) top is equipped with electric telescopic handle (17), electric telescopic handle (17) output shaft with support frame (10) fixed connection, heat insulating board (6) outer wall in support frame (10) one side is equipped with pivot (18) of rotation connection, pivot (18) outer wall cover is equipped with fly leaf (19), fly leaf (19) one end with support frame (10) fixed connection, second cavity (14) inner wall in air exhauster (16) one side is equipped with sliding connection's L shape piece (20), L shape piece (20) one end with air exhauster (16) fixed connection, L shape piece (20) other end extend to inside and with fly leaf (19) one end is rotated and is connected first cavity (3).

2. The continuous heating furnace with the normalizing and tempering functions as claimed in claim 1, wherein: wherein the temperature of one of the heating means (7) is higher than the temperature of the other heating means (7).

3. The continuous heating furnace with the normalizing and tempering functions as claimed in claim 1, wherein: the two sides of the inner wall of the first cavity (3) are symmetrically provided with a feeding hole and a discharging hole.

4. The continuous heating furnace with the normalizing and tempering functions as claimed in claim 1, wherein: an air inlet is formed in the top of the inner wall of the first cavity (3) on one side of the cooling pipeline (8).

5. The continuous heating furnace with the normalizing and tempering functions as claimed in claim 1, wherein: the inner wall of the first cavity (3) is provided with a ball bearing matched with the rotary roller (4).

6. The continuous heating furnace with the normalizing and tempering functions as claimed in claim 1, wherein: the inner wall of the second cavity (14) is provided with a slide rail matched with the L-shaped block (20).