Rapid cooling device for normalizing furnace

Abstract

The utility model discloses a quick cooling device for a normalizing furnace, which belongs to the technical field of normalizing furnace cooling and comprises a normalizing furnace body, a quick cooling component is mounted on one side of the normalizing furnace body and comprises a blast box body, and a transmission component is connected to the top of the blast box body. A transmission part is arranged on the top of the air blowing box body, a motor driving box is further arranged on the side, close to the top of the transmission part, of the air blowing box body, and an electric heater is installed on the top of the normalizing furnace body. According to the normalizing furnace, the normalized metal workpiece and the interior of the normalizing furnace body can be subjected to synchronous air-cooling heat dissipation treatment, and high-temperature heat dissipated in the metal workpiece and the normalizing furnace body can be used for reducing the temperature of cooling airflow generated by the air blowing turbine; and structural damages such as metal deformation cracks or fractures possibly caused by higher temperature of the metal workpiece and the normalizing furnace body and lower air cooling temperature can be avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to a normalizing furnace cooling technical field especially is related to a normalizing furnace is with quick cooling device. BACKGROUND

[0002] Normalizing furnace is a kind of industrial equipment for metal material heat treatment, mainly used to execute normalizing process, i.e. metal is heated to critical temperature above appropriate temperature (usually in austenitizing temperature range), keeps a certain time after, cools in air, to improve the mechanical properties of material. Normalizing furnace usually adopts gas, fuel or electric heating mode, provides uniform stable heating environment, ensures that workpiece is heated uniformly, avoids the organization defect caused by overheating or uneven cooling. Normalizing treatment can refine grain, improve material toughness, eliminate internal stress, is widely used in steel smelting, machinery manufacturing, automobile industry and other fields, improves the cutting performance, plasticity and impact toughness of workpiece, provides more optimal material basis for subsequent processing.

[0003] At present, the existing normalizing furnace when actual use, because lack efficient heat dissipation mechanism, cannot be implemented fast cooling to metal workpiece after normalizing treatment when workpiece discharging, simultaneously, heat dissipation mechanism when cooling workpiece also difficult to reduce the high temperature inside normalizing furnace synchronously, leads to residual heat difficult to dissipate in time, this not only influences the final organization and performance of metal workpiece, also reduces the heat treatment efficiency of equipment whole.

[0004] Based on this, we propose a normalizing furnace is with quick cooling device to solve the above-mentioned problems. SUMMARY

[0005] This section aims to outline some aspects of the embodiments of the present application and briefly introduce some preferred embodiments. In this section and the abstract of the specification and the utility model name, some simplification or omission may be made to avoid obscuring the purpose of this section, the abstract of the specification and the utility model name, and such simplification or omission cannot be used to limit the scope of the present application.

[0006] Therefore, the utility model aims at providing a normalizing furnace is with quick cooling device, can solve the problem that the existing normalizing furnace because of lacking efficient heat dissipation mechanism, cannot realize fast cooling when workpiece discharging, simultaneously difficult to reduce the high temperature in furnace synchronously, dissipate residual heat, thereby influence metal workpiece final organization performance and equipment heat treatment efficiency.

[0007] The utility model provides a kind of quick cooling device for normalizing furnace to solve above-mentioned technical problem, using following technical scheme: including normalizing furnace body, the one side of the normalizing furnace body is equipped with quick cooling assembly, the quick cooling assembly includes blast box, the top of the blast box is connected with transmission component, the top side of the blast box close to transmission component is also provided with motor drive box;

[0008] The top of the normalizing furnace body is equipped with electric heater, the both sides of the normalizing furnace body and blast box are provided with sealed flow guide cover respectively, and flow guide pipe is also connected between the two sealed flow guide covers.

[0009] Optionally, the bottom of the normalizing furnace body is provided with material conveying table, and the top of the material conveying table is equipped with material conveying vehicle.

[0010] Optionally, the both sides of the material conveying table are provided with first limiting grooves, and the top of the material conveying table is provided with second limiting groove, and the middle of the second limiting groove is rotatably connected with adjusting screw, and the one end of the material conveying table is also provided with positive and negative motor, and the output end of the positive and negative motor is transmissionally connected with the adjusting screw.

[0011] Optionally, the both sides of the blast box are equipped with two groups of blast impeller machines, the one side of the two groups of blast impeller machines is connected with toothed belt wheel, and transmission toothed belt is meshingly connected between the two groups of toothed belt wheels, and the one side of one group of toothed belt wheels is connected with first belt pulley.

[0012] Optionally, the transmission component includes two groups of triangular stands, transmissionally connected with linkage shaft between the two groups of triangular stands, the middle of the linkage shaft is equipped with second belt pulley, the both ends of the linkage shaft are respectively provided with third belt pulley, and transmission belt is transmissionally connected between the third belt pulley and first belt pulley and second belt pulley and motor drive box.

[0013] Optionally, the bottom of the material conveying vehicle is provided with first limiting plate on both sides, the first limiting plate is matched with first limiting groove structure, the middle of the bottom of the material conveying vehicle is provided with second limiting plate, and the second limiting plate is slidingly matched with second limiting groove, and the middle of the second limiting plate is also provided with adjusting screw hole, and the adjusting screw hole is threadedly matched with adjusting screw.

[0014] Summarized above, the utility model includes at least one of following beneficial effects:

[0015] 1. The annealing furnace cooling device designed in the scheme, through the setting of the air blowing box body, the transmission component and the motor driving box and other components, the air blowing impeller machine can be driven to rotate forward and reverse, the rapid air cooling treatment of the metal workpiece after the annealing treatment is realized, through the installation of the sealing drainage cover and the drainage pipe on both sides of the annealing furnace body and the air blowing box body, the high-temperature gas in the annealing furnace body can be extracted and discharged into the air blowing box body, the deformation or damage of the metal workpiece due to the too large temperature difference is avoided by using the waste heat, the efficient cooling is realized while the quality and performance of the workpiece are ensured.

[0016] 2. The annealing furnace cooling device designed in the scheme, through the reverse rotation of the air blowing impeller machine, the negative pressure air extraction effect is formed, the high-temperature heat on the surface of the metal workpiece is extracted, and the generated hot air flow is blown into the inside of the annealing furnace body, the air cooling heat dissipation treatment of the annealing furnace body is realized, the high-temperature heat of the metal workpiece and the annealing furnace body is fully utilized, the cooling air flow temperature is adjusted, the damage of the annealing furnace body due to the too large temperature difference is avoided, the safety and practicality of the equipment are improved, the service life of the equipment is prolonged, and the production efficiency and economic benefits are improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0018] Figure 1 It is the overall structure schematic diagram of the present application;

[0019] Figure 2 It is the structure schematic diagram of the rapid cooling assembly of the present application;

[0020] Figure 3 It is the structure schematic diagram of the material conveying table of the present application;

[0021] Figure 4 It is the structure schematic diagram of the air blowing box body of the present application;

[0022] Figure 5 It is the structure schematic diagram of the material conveying vehicle of the present application.

[0023] Explanation of reference signs: 1, normalizing furnace body; 2, rapid cooling assembly; 3, air blowing box body; 4, transmission component; 5, motor drive box; 6, electric heater; 7, sealing flow guide cover; 8, flow guide pipe; 9, material conveying table; 10, material conveying vehicle; 11, first limiting groove; 12, second limiting groove; 13, adjusting screw; 14, forward and reverse motor; 15, air blowing impeller machine; 16, toothed belt wheel; 17, transmission toothed belt; 18, first belt wheel; 19, tripod; 20, linkage shaft; 21, second belt wheel; 22, third belt wheel; 23, transmission belt; 24, first limiting plate; 25, second limiting plate; 26, adjusting screw hole. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0025] Embodiment: Refer to Figures 1 to 5 The utility model provides an embodiment, a kind of rapid cooling device for normalizing furnace, including normalizing furnace body 1, the side of normalizing furnace body 1 is equipped with rapid cooling assembly 2, rapid cooling assembly 2 includes air blowing box body 3, the top of air blowing box body 3 is connected with transmission component 4, air blowing box body 3 top side close to transmission component 4 is also provided with motor drive box 5, the top of normalizing furnace body 1 is equipped with electric heater 6, the both sides of normalizing furnace body 1 and air blowing box body 3 are provided with sealing flow guide cover 7, two groups of sealing flow guide cover 7 are also connected with flow guide pipe 8, by using air blowing box body 3, transmission component 4, motor drive box 5, sealing flow guide cover 7, flow guide pipe 8 cooperation, can be carried out synchronous air cooling heat dissipation treatment to the metal workpiece after normalizing treatment and the inside of normalizing furnace body 1, simultaneously, this air cooling heat dissipation treatment makes full use of the high temperature heat dissipation of metal workpiece, normalizing furnace body 1, to reduce the cooling air temperature generated by air blowing impeller machine 15, can avoid the structural damage such as metal deformation crack or fracture possibly caused by high temperature of metal workpiece and normalizing furnace body 1 and low air cooling temperature, the bottom of normalizing furnace body 1 is provided with material conveying table 9, the top of material conveying table 9 is equipped with material conveying vehicle 10, by the material conveying table 9 and material conveying vehicle 10 of normalizing furnace body 1 bottom additional, for the in-out material handling of normalizing treatment metal workpiece.

[0026] The first limiting groove 11 and the second limiting groove 12 are arranged on the material conveying table 9, the first limiting groove 11 is arranged on both sides of the material conveying table 9, the second limiting groove 12 is arranged on the top of the material conveying table 9, the adjusting screw 13 is rotatably connected to the middle of the second limiting groove 12, and the positive and negative motor 14 is arranged at one end of the material conveying table 9. The output end of the positive and negative motor 14 is in transmission connection with the adjusting screw 13, the first limiting groove 11 and the second limiting groove 12 arranged on the material conveying table 9 are used for limiting connection between the material conveying vehicle 10 and the material conveying table 9, the two groups of air blowing impeller machines 15 are arranged on both sides of the air blowing box body 3, the two groups of air blowing impeller machines 15 are connected with the toothed belt wheel 16 on one side, the transmission toothed belt 17 is in meshing connection between the two groups of toothed belt wheels 16, one side of one group of toothed belt wheels 16 is connected with the first belt wheel 18, the toothed belt wheel 16 and the transmission toothed belt 17 arranged on one side of the two groups of air blowing impeller machines 15 can mechanically connect the two groups of air blowing impeller machines 15 together, and the synchronous operation of the two groups of air blowing impeller machines 15 can be ensured. The synchronous mechanism ensures that the two groups of air blowing impeller machines 15 operate at the same speed and in the same direction, and uniform and stable airflow output is realized.

[0027] The transmission component 4 includes the two groups of triangular supports 19, the linkage shaft 20 is in transmission connection between the two groups of triangular supports 19, the second belt wheel 21 is arranged on the middle of the linkage shaft 20, the third belt wheel 22 is arranged at the two ends of the linkage shaft 20, the transmission belt 23 is in transmission connection between the third belt wheel 22, the first belt wheel 18 and the second belt wheel 21 and the motor driving box 5, when the motor driving box 5 is powered on and operated, the two groups of air blowing impeller machines 15 arranged on both sides of the air blowing box body 3 can be driven to rotate in the forward direction or the reverse direction, the first limiting plate 24 is arranged on the bottom of the material conveying vehicle 10 on both sides, the first limiting plate 24 is matched with the first limiting groove 11 in structure, the second limiting plate 25 is arranged on the middle of the bottom of the material conveying vehicle 10, the second limiting plate 25 is in sliding fit with the second limiting groove 12, the adjusting screw hole 26 is arranged in the middle of the second limiting plate 25, the adjusting screw hole 26 is in thread fit with the adjusting screw 13, through the structure design that the first limiting plate 24 is matched with the first limiting groove 11 in structure and the second limiting plate 25 is in sliding fit with the second limiting groove 12, the two sides of the material conveying vehicle 10 horizontally displaced on the top of the material conveying table 9 can be limited and guided, and the stability of the material conveying vehicle 10 in feeding and discharging the metal workpiece can be ensured.

[0028] Working principle: the normalizing furnace cooling device designed in the scheme is mainly composed of a normalizing furnace body 1 and a rapid cooling assembly 2, wherein the rapid cooling assembly 2 comprises a blowing box body 3, a transmission component 4 and a motor driving box 5, the blowing box body 3 is used in cooperation with a blowing impeller machine 15, a toothed belt wheel 16, a transmission toothed belt 17, a first belt wheel 18, a triangular frame 19, a linkage shaft 20, a second belt wheel 21, a third belt wheel 22 and a transmission belt 23, when the motor driving box 5 is powered on and operated, two groups of blowing impeller machines 15 installed on both sides of the blowing box body 3 can be driven to rotate in the forward direction or the reverse direction synchronously.

[0029] When the blowing impeller machine 15 rotates in the forward direction, the inside of the blowing box body 3 can be subjected to blowing and air blowing treatment, and the metal workpiece subjected to normalizing treatment and placed on the material conveying vehicle 10 can be subjected to air cooling treatment, the blowing impeller machine 15 rotating in the forward direction can also draw out the high temperature inside the normalizing furnace body 1 outward through the sealing and flow guide cover 7 respectively arranged on both sides of the normalizing furnace body 1 and the flow guide pipe 8 penetratingly connected between the two groups of sealing and flow guide covers 7, the high temperature gas stream drawn out can be discharged into the inside of the blowing box body 3 through the sealing and flow guide cover 7 and the flow guide pipe 8, and the metal workpiece subjected to normalizing treatment can be subjected to air cooling treatment by using the gas stream with temperature, so that the metal deformation, warping, even structural damage such as cracks or breakage caused by the high surface temperature of the metal workpiece and the low air cooling temperature can be prevented.

[0030] When the blowing impeller machine 15 rotates in the reverse direction, the inside of the blowing box body 3 can be subjected to negative pressure air extraction treatment, and the high temperature heat dissipated from the surface of the metal workpiece can be subjected to heat absorption treatment, the blowing impeller machine 15 generates hot air stream during the heat absorption treatment, the generated hot air stream can also be blown into the inside of the normalizing furnace body 1 through the sealing and flow guide cover 7 and the flow guide pipe 8, and the inside of the normalizing furnace body 1 can be subjected to air cooling treatment by using the gas stream with temperature, so that the metal deformation cracks or breakage caused by the high temperature inside the normalizing furnace body 1 and the low air cooling temperature can be prevented.

[0031] Finally, it should be noted that the above description is only a preferred embodiment of the present application and is not intended to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement for some technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A rapid cooling device for a normalizing furnace comprising a normalizing furnace body (1), characterized in that: The side of the normalizing furnace body (1) is provided with a rapid cooling assembly (2), the rapid cooling assembly (2) comprises a blast box (3), the top of the blast box (3) is connected with a transmission component (4), and the top side of the blast box (3) close to the transmission component (4) is also provided with a motor driving box (5); The top of the normalizing furnace body (1) is provided with an electric heater (6), and the two sides of the normalizing furnace body (1) and the blast box (3) are respectively provided with sealing flow guide covers (7); the two groups of sealing flow guide covers (7) are also connected with flow guide pipes (8).

2. A rapid cooling device for a normalizing furnace according to claim 1, characterized in that: The bottom of the normalizing furnace body (1) is provided with a material conveying table (9), and the top of the material conveying table (9) is provided with a material conveying vehicle (10).

3. A rapid cooling device for a normalizing furnace according to claim 2, characterized in that: The two sides of the material conveying table (9) are provided with first limiting grooves (11), and the top of the material conveying table (9) is provided with a second limiting groove (12); the middle part of the second limiting groove (12) is rotatably connected with an adjusting screw rod (13), and one end of the material conveying table (9) is also provided with a reversible motor (14); and the output end of the reversible motor (14) is in transmission connection with the adjusting screw rod (13).

4. A rapid cooling device for a normalizing furnace according to claim 3, characterized in that: The two sides of the blast box (3) are provided with two groups of blast impeller machines (15), one side of each of the two groups of blast impeller machines (15) is connected with a toothed belt wheel (16), the two groups of toothed belt wheels (16) are in meshing connection with a transmission toothed belt (17), and one side of one of the toothed belt wheels (16) is connected with a first belt wheel (18).

5. A rapid cooling device for a normalizing furnace according to claim 4, characterized in that: The transmission component (4) comprises two groups of tripods (19), the two groups of tripods (19) are in transmission connection with a linkage shaft (20), the middle part of the linkage shaft (20) is provided with a second belt wheel (21), the two ends of the linkage shaft (20) are respectively provided with third belt wheels (22), and the third belt wheels (22) are in transmission connection with the first belt wheel (18) and the second belt wheel (21) and the motor driving box (5) through transmission belts (23).

6. A rapid cooling device for a normalizing furnace according to claim 5, characterized in that: The bottom of the material conveying vehicle (10) is provided with first limiting plates (24) on the two sides, the first limiting plates (24) are matched with the first limiting grooves (11), the bottom of the material conveying vehicle (10) is provided with a second limiting plate (25) in the middle part, the second limiting plate (25) is in sliding fit with the second limiting groove (12), the middle part of the second limiting plate (25) is also provided with an adjusting screw hole (26), and the adjusting screw hole (26) is in screw fit with the adjusting screw rod (13).

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