CN220643205U - Roller type normalizing furnace rapid cooling structure - Google Patents

Roller type normalizing furnace rapid cooling structure Download PDF

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Publication number
CN220643205U
CN220643205U CN202322232152.1U CN202322232152U CN220643205U CN 220643205 U CN220643205 U CN 220643205U CN 202322232152 U CN202322232152 U CN 202322232152U CN 220643205 U CN220643205 U CN 220643205U
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quick cooling
chamber
roller
air
air duct
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CN202322232152.1U
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陈曦
黎晓旭
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Hephaes Heat Treatment Systems Jiangsu Co ltd
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Hephaes Heat Treatment Systems Jiangsu Co ltd
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Abstract

The utility model belongs to the technical field of forging processing, and relates to a roller normalizing furnace quick cooling structure, which comprises a conveying roller, wherein the conveying roller is sequentially divided into a heat preservation chamber, a transition chamber, a quick cooling chamber and an isothermal chamber from left to right, a sealing furnace door is arranged between any two adjacent chambers, the quick cooling chamber is connected with a cold air circulation system, the cold air circulation system comprises a variable frequency fan and a quick cooling air duct connected between the variable frequency fan and the quick cooling chamber, a water cooling heat exchanger is arranged on the quick cooling air duct, an air outlet communicated with an air inlet of the variable frequency fan is arranged at the top of the quick cooling chamber, an air deflector is arranged between the side wall of the quick cooling chamber and the air outlet, one end of the quick cooling air duct is communicated with the air outlet of the variable frequency fan, and the other end of the quick cooling air duct is communicated with the variable cross-section air duct inside the quick cooling chamber. The utility model can fully play the advantages of flexible adjustment of the cooling speed of the quick cooling chamber, so as to meet the normalizing process requirements of parts with different sizes and different materials, and has the advantages of high cooling efficiency, low cost, wide adaptability, manpower and material resources saving and the like.

Description

Roller type normalizing furnace rapid cooling structure
Technical Field
The utility model belongs to the technical field of forging processing, and particularly relates to a roller type normalizing furnace quick cooling structure.
Background
The bearing ring, the gear and other forgings have small residual stress after normalizing treatment, and good uniformity of tissue and hardness, thereby being beneficial to subsequent cold processing. Normalizing is one of the most important "three fires" for heat treatment. With the continuous improvement of the industrial level in China, the requirements on the organization performance of the parts after the normalizing treatment are also higher and higher.
The existing old normalizing furnace is difficult to quickly cool to meet the normalizing requirements of parts with different specifications and sizes and different materials in different process periods, the processed parts have the problems of mixed crystal, unbalanced structure and the like, and the grain size, hardness and banded structure of the same batch of products are uneven.
Disclosure of Invention
The utility model aims to solve the defects and the shortcomings in the prior art, and designs a roller type normalizing furnace quick cooling structure which can fully play the advantages of a quick cooling chamber for flexibly adjusting the cooling speed so as to adapt to the normalizing process requirements of parts with different sizes and different materials.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the utility model provides a roller-type normalizing furnace quick-cooling structure, includes the transfer roller, the transfer roller divide into heat preservation room, transition room, quick-cooling room and isothermal room from a left side to right side in proper order, and all is equipped with sealed furnace gate between two arbitrary adjacent rooms, the quick-cooling room is connected with cold wind circulation system, cold wind circulation system includes the frequency conversion fan to and connect the quick-cooling wind channel between frequency conversion fan and quick-cooling room, be equipped with water-cooling heat exchanger on the quick-cooling wind channel.
Preferably, an air outlet communicated with the air inlet of the variable frequency fan is arranged at the top of the rapid cooling chamber, and an air deflector is arranged between the side wall of the rapid cooling chamber and the air outlet.
Preferably, one end of the fast cooling air channel is communicated with the air outlet of the variable frequency fan, and the other end of the fast cooling air channel is communicated with the inside of the fast cooling chamber.
Preferably, the quick cooling air duct is communicated with two variable cross-section air ducts inside the quick cooling chamber, the two variable cross-section air ducts are symmetrically arranged on the upper side and the lower side of the conveying roller respectively, and a plurality of air duct outlets are uniformly distributed on the variable cross-section air ducts.
Preferably, the conveying roller is connected with a variable speed transmission mechanism for adjusting the conveying speed of the conveying roller.
Preferably, the conveying roller is connected with a swing driving piece and a photoelectric switch, and the swing driving piece and the photoelectric switch are used for realizing the left-right swing of the conveying roller.
Preferably, the air outlets of the quick cooling indoor and variable frequency fans are respectively provided with a temperature sensor through the quick cooling air duct after heat exchange of the water cooling heat exchanger.
After the technical scheme is adopted, the roller normalizing furnace rapid cooling structure provided by the utility model has the following beneficial effects:
according to the utility model, through the design of the transition chamber, the uniformity of the furnace temperature can be guaranteed, and the stability of the normalizing tissue can be guaranteed; the design of the air deflector can ensure that hot air smoothly enters the variable-frequency fan; through the design of the quick cooling air duct and the variable cross-section air duct, the workpiece can be uniformly cooled; the transmission speed of the transmission roller can be adjusted according to the requirement through the design of the variable speed transmission mechanism; the conveying mixture can be driven to swing left and right through the design of the swing driving piece, so that the material frame blocked by the roller rod can be blown; the fan wind speed can be adjusted in real time through the design of the temperature sensor, so that the cooling speed is in a controllable state. Therefore, the utility model has the advantages of simple structure, convenient operation, capability of fully playing the advantages of flexibly adjusting the cooling speed of the quick cooling chamber, adaptation to the normalizing process requirements of parts with different sizes and different materials, high cooling efficiency, good uniformity, low cost, wide adaptability, manpower and material resource saving and the like.
Drawings
FIG. 1 is a schematic diagram of a roller normalizing furnace quick cooling structure according to the present utility model;
FIG. 2 is a schematic diagram of the structure of the rapid cooling chamber according to the present utility model.
Wherein: the device comprises a conveying roller 1, a heat preservation chamber 2, a transition chamber 3, a quick cooling chamber 4, an isothermal chamber 5, a sealing furnace door 6, a variable frequency fan 7, a quick cooling air duct 8, a water cooling heat exchanger 9, an air deflector 10, a variable cross-section air duct 11 and a temperature sensor 12.
Detailed Description
The present utility model now will be described more fully hereinafter with reference to the accompanying drawings, in which embodiments of the utility model are shown, and in which embodiments of the utility model are shown, by way of illustration only, and not all embodiments. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the utility model, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present utility model unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.
In the description of the present utility model, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present utility model; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present utility model.
The utility model discloses a roller type normalizing furnace quick cooling structure, which is shown in fig. 1-2 and comprises a conveying roller 1, wherein the conveying roller 1 is sequentially divided into a heat preservation chamber 2, a transition chamber 3, a quick cooling chamber 4 and an isothermal chamber 5 from left to right, a sealing furnace door 6 is arranged between any two adjacent chambers, the conveying roller 1 is connected with a variable speed transmission mechanism for adjusting the conveying speed of the conveying roller 1, and the conveying roller 1 is connected with a swing driving piece and a photoelectric switch for realizing the left-right swing of the conveying roller 1, so that a material frame blocked by a roller bar can be blown.
The utility model discloses a cooling system for a workpiece, including quick cooling room 4, cold air circulation system includes frequency conversion fan 7 to and connect the quick cooling wind channel 8 between frequency conversion fan 7 and quick cooling room 4, be equipped with water-cooling heat exchanger 9 on the quick cooling wind channel 8, specifically, quick cooling room 4 top is equipped with the air outlet with frequency conversion fan 7 air intake intercommunication, and is equipped with aviation baffle 10 between quick cooling room 4 lateral wall and this air outlet, quick cooling wind channel 8 one end and frequency conversion fan 7 air outlet intercommunication, the other end and quick cooling room 4 inside intercommunication, specifically, quick cooling wind channel 8 and the inside two variable cross section wind channels 11 intercommunication of quick cooling room 4, and two variable cross section wind channels 11 symmetrical arrangement respectively in the upper and lower both sides of transfer roller 1, the equipartition has a plurality of wind channel export on the variable cross section wind channel 11, can carry out even cooling work to the workpiece.
Temperature sensors 12 are respectively arranged in the quick cooling chamber 4, at the air outlet of the variable frequency fan 7 and on the quick cooling air duct 8 subjected to heat exchange by the water cooling heat exchanger 9, and are respectively used for measuring the temperature in the quick cooling chamber 4, the temperature at the air outlet of the variable frequency fan 7 and the temperature of the air cooled by the water cooling heat exchanger 9, and the air speed of the variable frequency fan 7 is adjusted in real time through the detection of the temperatures, so that the cooling speed is in a controllable state.
When the roller normalizing furnace quick cooling structure is used, a material frame filled with workpieces is driven by the conveying roller 1, the heat preservation chamber 2 slowly moves forward, after heat preservation is finished, a sealing furnace door between the heat preservation chamber 2 and the transition chamber 3 is opened, the conveying roller 1 is switched to be quick in transmission, the material frame is switched to be quick after fast moving to the transition chamber 3, at the moment, the sealing furnace door between the heat preservation chamber 2 and the transition chamber 3 is closed, the sealing furnace door between the transition chamber 3 and the quick cooling chamber 4 is opened, the transition chamber 3 is designed because the temperature of the heat preservation chamber 2 is about 920 ℃, the quick cooling chamber 4 is kept at a low temperature of about 200 ℃, and if the transition chamber is not provided, both the heat preservation and the quick cooling temperature can be influenced, so that the uniformity of the furnace temperature is unfavorable, and the normalizing tissue is influenced.
After the sealed furnace door between the transition chamber 3 and the quick cooling chamber 4 is opened, the transmission of the conveying roller 1 is switched from a slow speed to a fast speed, so that the material frame quickly reaches the quick cooling chamber 4, the sealed furnace door between the transition chamber 3 and the quick cooling chamber 4, namely the feeding door, is closed, at the moment, the sealed furnace doors (the feeding door and the discharging door) at two sides of the quick cooling chamber 4 are both in a closed state, the quick cooling process preset according to a workpiece starts to be executed, the variable frequency fan 7 is started, hot air in the quick cooling chamber 4 enters the variable frequency fan 7 through the air deflector 10, the hot air is discharged to the quick cooling air duct 8 through the air outlet of the variable frequency fan 7, the cooled air is sent back to the quick cooling chamber 4 through the water cooling heat exchanger 9, and the cold air can realize uniform cooling of the workpiece through the quick cooling air duct 8 and the variable cross section air duct 11.
In summary, the roller normalizing furnace quick cooling structure provided by the utility model has the advantages of simple structure, convenience in operation, capability of fully playing the advantages of flexibly adjusting the cooling speed of the quick cooling chamber, adaptability to the normalizing process requirements of parts with different sizes and different materials, high cooling efficiency, good uniformity, low cost, wide adaptability, capability of saving manpower and material resources and the like, and great market value, and is worthy of wide popularization and application.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (7)

1. The utility model provides a roller type normalizing furnace rapid cooling structure, includes transfer roller (1), its characterized in that: the conveying roller (1) is sequentially divided into a heat preservation chamber (2), a transition chamber (3), a quick cooling chamber (4) and an isothermal chamber (5) from left to right, a sealing furnace door (6) is arranged between any two adjacent chambers, the quick cooling chamber (4) is connected with a cold air circulation system, the cold air circulation system comprises a variable frequency fan (7) and a quick cooling air duct (8) connected between the variable frequency fan (7) and the quick cooling chamber (4), and a water cooling heat exchanger (9) is arranged on the quick cooling air duct (8).
2. The roller normalizing furnace quick cooling structure according to claim 1, wherein: an air outlet communicated with an air inlet of the variable frequency fan (7) is arranged at the top of the rapid cooling chamber (4), and an air deflector (10) is arranged between the side wall of the rapid cooling chamber (4) and the air outlet.
3. The roller normalizing furnace quick cooling structure according to claim 1, wherein: one end of the quick cooling air duct (8) is communicated with an air outlet of the variable frequency fan (7), and the other end of the quick cooling air duct is communicated with the inside of the quick cooling chamber (4).
4. A roller normalizing furnace quick cooling structure according to claim 3, wherein: the quick cooling air duct (8) is communicated with two variable cross-section air ducts (11) in the quick cooling chamber (4), the two variable cross-section air ducts (11) are symmetrically arranged on the upper side and the lower side of the conveying roller (1) respectively, and a plurality of air duct outlets are uniformly distributed on the variable cross-section air ducts (11).
5. The roller normalizing furnace quick cooling structure according to claim 1, wherein: the conveying roller (1) is connected with a variable speed transmission mechanism for adjusting the conveying speed of the conveying roller (1).
6. The roller normalizing furnace quick cooling structure according to claim 1, wherein: the conveying roller (1) is connected with a swing driving piece and a photoelectric switch, and is used for realizing the left-right swing of the conveying roller (1).
7. The roller normalizing furnace quick cooling structure according to claim 1, wherein: temperature sensors (12) are arranged in the quick cooling chamber (4), at the air outlet of the variable frequency fan (7) and on the quick cooling air duct (8) subjected to heat exchange by the water cooling heat exchanger (9).
CN202322232152.1U 2023-08-18 2023-08-18 Roller type normalizing furnace rapid cooling structure Active CN220643205U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322232152.1U CN220643205U (en) 2023-08-18 2023-08-18 Roller type normalizing furnace rapid cooling structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322232152.1U CN220643205U (en) 2023-08-18 2023-08-18 Roller type normalizing furnace rapid cooling structure

Publications (1)

Publication Number Publication Date
CN220643205U true CN220643205U (en) 2024-03-22

Family

ID=90264128

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322232152.1U Active CN220643205U (en) 2023-08-18 2023-08-18 Roller type normalizing furnace rapid cooling structure

Country Status (1)

Country Link
CN (1) CN220643205U (en)

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