CN114561519A - Isothermal normalizing system - Google Patents

Abstract

The invention discloses an isothermal normalizing system, which includes a heating chamber, a cooling chamber, an isothermal greenhouse, and a heat exchange chamber. During operation, the workpiece first enters the heat exchange chamber, and the cold workpiece that has just entered exchanges heat with the processed hot workpiece. The cold workpiece is preheated in the heat exchange chamber, the preheated workpiece enters the heating chamber, and the heating process is completed in the heating chamber. After cooling, the workpiece enters the waiting greenhouse for isothermal heat treatment, and the workpiece after isothermal heat treatment enters the heat exchange chamber again, exchanges heat with the cold workpiece that has just entered the process, and then discharges the material to complete a process. The invention realizes the whole process automation of product heat treatment, reduces the damage of the workpiece, and improves the heat treatment quality of the workpiece; the heat exchange chamber is used to exchange heat between the treated workpiece and the cold workpiece, the cold workpiece is preheated, and the hot workpiece is cooled down, thereby reducing the temperature of the workpiece. energy consumption.

Description

An isothermal normalizing system

technical field

The invention relates to the technical field of heat treatment equipment and its peripheral supporting facilities, in particular to an isothermal normalizing system.

Background technique

Heat treatment refers to a metal thermal processing process in which the material is in a solid state by means of heating, heat preservation and cooling to obtain the desired structure and properties. Heat treatment includes normalizing, annealing, solution heat treatment, aging, solution treatment, aging treatment, quenching, tempering and other processes.

At present, for the heat treatment process of isothermal normalizing of various parts, due to problems such as the structure of the equipment itself, the energy consumption is relatively large. At the same time, general conventional equipment cannot meet the continuous and controllable mass production of workpieces, resulting in relatively rough production of equipment, poor continuity, and large damage during the flow of parts, which adversely affects the quality of processed products. In addition, the equipment operation and process settings are generally done manually, and the control weights such as temperature accuracy and atmosphere accuracy are relatively low, which also affects the quality of the finished product.

Therefore, how to change the current situation of high energy consumption of equipment for isothermal normalizing heat treatment and poor product treatment quality in the prior art has become an urgent problem to be solved by those skilled in the art.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide an isothermal normalizing system to solve the problems existing in the above-mentioned prior art, reduce the energy consumption of isothermal normalizing heat treatment equipment, and improve the quality of finished products.

In order to achieve the above object, the present invention provides the following scheme: the present invention provides a kind of isothermal normalizing system, including:

a cooling chamber, which can cool the workpiece heated by the heating chamber;

an isothermal greenhouse, which can perform isothermal heat treatment on the workpiece cooled by the cooling chamber;

an isothermal greenhouse capable of isothermal heat treatment of the workpiece;

Along the process flow direction of the isothermal normalizing system, the heating chamber is located upstream of the cooling chamber, the isothermal chamber is located downstream of the cooling chamber, and the heating chamber and the isothermal greenhouse are respectively connected to the cooling chamber. room connected

The heat exchange chamber, the inlet of the heating chamber and the outlet of the equal greenhouse are respectively connected with the heat exchange chamber.

Preferably, the heat exchange chamber is connected with a vacuum ventilation chamber, the vacuum ventilation chamber can perform vacuum ventilation for the environment where the workpiece is located, and the vacuum ventilation chamber is communicated with the heat exchange chamber, so The vacuum ventilation chamber is located at one end of the heat exchange chamber away from the heating chamber and the isothermal chamber.

Preferably, two groups of conveying mechanisms are arranged in the heat exchange chamber, the two groups of conveying mechanisms are arranged in parallel and in opposite conveying directions, wherein one group of the conveying mechanisms is connected to the inlet of the heating chamber, and the other group of the conveying mechanisms is connected to the inlet of the heating chamber. The mechanism is connected to the outlet of the isogreenhouse.

Preferably, the heating chamber and the greenhouses are both push-plate furnace structures.

Preferably, the heating chamber and the isothermal chamber are arranged parallel to each other, and the material running directions of the two are opposite, and the cooling chamber is arranged between the heating chamber and the isothermal chamber.

Preferably, both the heating chamber and the isothermal chamber communicate with the heat exchange chamber, the cooling chamber is a sealed chamber, the heating chamber and the cooling chamber and the isothermal chamber and the A transfer mechanism is provided between the cooling chambers, and the transfer mechanism can transport the workpiece.

Preferably, a circulating cooling component is connected to the cooling chamber, and the circulating cooling component can deliver a cooling medium into the cooling chamber.

Preferably, the circulating cooling assembly includes a cooling fan, the cooling fan communicates with the cooling chamber, and the cooling medium is nitrogen.

Preferably, the isothermal normalizing system further includes a control unit, and the heating chamber, the cooling chamber, the isothermal greenhouse and the heat exchange chamber are all connected to the control unit.

Preferably, the control unit is provided with a telecommunication element.

Compared with the prior art, the present invention achieves the following technical effects: the isothermal normalizing system of the present invention includes a heating chamber, a cooling chamber, an isothermal greenhouse and a heat exchange chamber, wherein the heating chamber can heat the workpiece; the cooling chamber can The workpiece heated by the heating chamber is cooled; the waiting greenhouse can perform isothermal heat treatment on the workpiece cooled by the cooling chamber; along the process flow direction of the isothermal normalizing system, the heating chamber is located upstream of the cooling chamber, and the waiting greenhouse is located downstream of the cooling chamber , the heating chamber and the isothermal greenhouse are respectively connected with the cooling chamber; the inlet of the heating chamber and the outlet of the isothermal greenhouse are respectively connected with the heat exchange chamber.

When the isothermal normalizing system of the present invention works, the workpiece first enters the heat exchange chamber, the cold workpiece that has just entered and the processed hot workpiece exchange heat, the cold workpiece is preheated in the heat exchange chamber, and the preheated workpiece enters the heat exchange chamber. In the heating chamber, the heating process is completed in the heating chamber. After the heating cycle is completed, it enters the cooling chamber. The workpiece is cooled in the cooling chamber to the temperature required by the process. After cooling, the workpiece enters the waiting room for isothermal heat treatment. The processed workpiece enters the heat exchange chamber again, exchanges heat with the cold workpiece that has just entered the process flow, and then discharges the material to complete a process flow. In the isothermal normalizing system of the invention, the heating chamber and the isothermal greenhouse are respectively connected with the cooling chamber, and at the same time, the heating chamber and the isothermal greenhouse are respectively connected with the heat exchange chamber, which realizes the whole process automation of the heat treatment of the product, reduces the damage of the workpiece, and improves the heat treatment of the workpiece. At the same time, the present invention utilizes a heat exchange chamber to exchange heat between the processed workpiece and the cold workpiece, preheat the cold workpiece, and cool the hot workpiece, thereby reducing the energy consumption of heating the cold workpiece and the subsequent cooling of the hot workpiece. Energy saving.

Description of drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the accompanying drawings required in the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some of the present invention. In the embodiments, for those of ordinary skill in the art, other drawings can also be obtained according to these drawings without any creative effort.

FIG. 1 is a schematic structural diagram of the isothermal normalizing system of the present invention.

Among them, 1 is a heating chamber, 2 is a cooling chamber, 3 is an isothermal chamber, 4 is a heat exchange chamber, and 5 is a vacuum ventilation chamber.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

The purpose of the present invention is to provide an isothermal normalizing system to solve the problems existing in the above-mentioned prior art, reduce the energy consumption of isothermal normalizing heat treatment equipment, and improve the quality of finished products.

In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail below with reference to the accompanying drawings and specific embodiments.

Please refer to FIG. 1 , which is a schematic structural diagram of an isothermal normalizing system of the present invention.

The present invention provides an isothermal normalizing system, including a heating chamber 1, a cooling chamber 2, an isothermal greenhouse 3 and a heat exchange chamber 4, wherein the heating chamber 1 can heat the workpiece; Cooling of the workpiece; the waiting room 3 can perform isothermal heat treatment on the workpiece cooled by the cooling room 2; along the process flow direction of the isothermal normalizing system, the heating room 1 is located upstream of the cooling room 2, and the waiting room 3 is located in the cooling room 2. Downstream, the heating chamber 1 and the isothermal chamber 3 are connected to the cooling chamber 2 respectively; the inlet of the heating chamber 1 and the outlet of the isothermal chamber 3 are connected to the heat exchange chamber 4 respectively.

When the isothermal normalizing system of the present invention works, the workpiece first enters the heat exchange chamber 4, and the cold workpiece that has just entered exchanges heat with the processed hot workpiece, and the cold workpiece is preheated in the heat exchange chamber 4. The workpiece enters the heating chamber 1, and the heating process is completed in the heating chamber 1. After the heating cycle ends, it enters the cooling chamber 2. The workpiece is cooled in the cooling chamber 2 to the temperature required by the process. After the cooling is completed, the workpiece enters the waiting room 3. Waiting for Warm heat treatment, the workpiece after isothermal heat treatment enters the heat exchange chamber 4 again, exchanges heat with the cold workpiece that has just entered the process flow, and then discharges the material to complete a process flow. In the isothermal normalizing system of the present invention, the heating chamber 1 and the isothermal greenhouse 3 are respectively connected with the cooling chamber 2, and at the same time, the heating chamber 1 and the isothermal greenhouse 3 are respectively connected with the heat exchange chamber 4, which realizes the whole process automation of product heat treatment and reduces the number of workpieces. damage, improves the heat treatment quality of the workpiece, and reduces the labor burden of the operator; at the same time, the present invention utilizes the heat exchange chamber 4 to exchange heat between the processed workpiece and the cold workpiece, preheat the cold workpiece, cool the hot workpiece, reduce The energy consumption of heating the cold workpiece and the subsequent cooling of the hot workpiece is saved, saving energy.

It should also be noted that the heat exchange chamber 4 is connected with a vacuum ventilation chamber 5, and the vacuum ventilation chamber 5 can perform vacuum ventilation for the environment where the workpiece is located, and the vacuum ventilation chamber 5 is communicated with the heat exchange chamber 4, and the vacuum ventilation The chamber 5 is located at the end of the heat exchange chamber 4 away from the heating chamber 1 and the isothermal chamber 3 . The vacuum ventilation chamber 5 can remove the oxidizing atmosphere in the system, and fill the system with a protective atmosphere, so as to improve the uniformity of the structure of the workpiece after heat treatment, thereby ensuring the quality of the finished workpiece. In practical applications, the vacuum ventilation chamber 5 can be used to remove the oxidizing atmosphere in each chamber in the system, or a plurality of vacuum ventilation chambers 5 can be used to perform vacuum ventilation for different chambers, respectively filling the protective atmosphere.

Specifically, two sets of conveying mechanisms are provided in the heat exchange chamber 4, and the two sets of conveying mechanisms are arranged in parallel and in opposite directions. connected. Two sets of conveying mechanisms are arranged in the heat exchange chamber 4 to convey the cold workpieces and the heat-treated hot workpieces respectively, so that the two can exchange heat smoothly, complete the preheating of the cold workpieces and the cooling of the hot workpieces, and reduce the energy consumption of the system. In this specific embodiment, the conveying direction of the cold workpiece is opposite to the conveying direction of the hot workpiece, so as to improve the heat exchange efficiency; in other specific embodiments of the present invention, the arrangement of two groups of conveying mechanisms can also be set according to specific working conditions way to improve the flexibility and adaptability of the system.

In this specific embodiment, the heating chamber 1 and the greenhouse 3 are both push-plate furnace structures, which further facilitates the circulation of workpieces. In practical applications, furnace bodies of other structures can also be selected.

More specifically, the heating chamber 1 and the isothermal greenhouse 3 are arranged in parallel, and the material running directions of the two are opposite. The running direction of the two is opposite, and the cooling chamber 2 is arranged between the two. The reasonable layout and the full use of the space are beneficial to reduce the space occupied by the system and improve the adaptability of the system.

In this specific embodiment, the heating chamber 1 and the isothermal greenhouse 3 are all communicated with the heat exchange chamber 4, and the vacuum ventilation chamber 5 can simultaneously complete the input of the protective atmosphere for the heat exchange chamber 4, the heating chamber 1 and the isothermal greenhouse 3, without setting Multiple groups of vacuum ventilation chambers 5, saving production costs, cooling chamber 2 is a sealed chamber, and a transfer mechanism is provided between heating chamber 1 and cooling chamber 2, and between equalizing greenhouse 3 and cooling chamber 2, and the transfer mechanism can transport workpieces , The workpiece flow is successfully completed, the automation degree of the system is improved, the labor burden of the operator is reduced, and the damage of the workpiece is reduced.

Further, the cooling chamber 2 is connected with a circulating cooling component, and the circulating cooling component can deliver a cooling medium to the cooling chamber 2, thereby completing the rapid cooling of the workpiece, and the cooling chamber 2 is a sealed chamber, avoiding the proximity of the waiting room 3 and the heating chamber 1 The phenomenon that the cooling effect of the workpiece at the place is not good, the uniformity of the workpiece cooling is improved, and the heat treatment quality of the workpiece is guaranteed.

In other specific embodiments of the present invention, the circulating cooling component includes a cooling fan, the cooling fan is communicated with the cooling chamber 2, and the cooling fan can be used to transport a cooling medium into the cooling chamber 2, so that the workpiece is rapidly cooled, and the cooling medium is nitrogen, nitrogen As a cooling medium, it can also be used as a protective atmosphere to ensure the cooling quality of the workpiece.

Further, the isothermal normalizing system also includes a control unit. The heating chamber 1, the cooling chamber 2, the isothermal greenhouse 3 and the heat exchange chamber 4 are all connected to the control unit, so that the operator can use the control unit to control the working state and adjustment of each chamber. Process parameters to further improve the reliability of the system and the convenience of operation.

It should be emphasized that the control unit is equipped with a remote communication element, which is convenient for the operator to monitor remotely, so as to grasp the operating status of the system in real time and adjust the operating parameters of the system; The operating safety factor of the system.

When the isothermal normalizing system of the present invention works, the workpiece is transported to the vacuum ventilation chamber 5 by the feeding structure, the vacuum ventilation chamber 5 removes the oxidizing atmosphere, and a protective atmosphere is input into the system, and then the workpiece enters the heat exchange chamber 4, just after entering the exchange chamber 4. The cold workpiece in the hot chamber 4 exchanges heat with the processed hot workpiece, the cold workpiece is preheated in the heat exchange chamber 4, the preheated workpiece enters the heating chamber 1, and the heating process is completed in the heating chamber 1. After the cycle ends, it enters the cooling chamber 2, and the workpiece is cooled to the temperature required by the process in the cooling chamber 2. After cooling, the workpiece enters the waiting room 3 for isothermal heat treatment, and the workpiece after the isothermal heat treatment enters the heat exchange chamber 4 again. In the process, it exchanges heat with the cold workpiece that has just entered the process, and then discharges the material to complete a process. In the isothermal normalizing system of the present invention, the heating chamber 1 and the isothermal greenhouse 3 are respectively connected with the cooling chamber 2, and at the same time, the heating chamber 1 and the isothermal greenhouse 3 are respectively connected with the heat exchange chamber 4, which realizes the whole process automation of product heat treatment and reduces the number of workpieces. At the same time, the present invention utilizes the heat exchange chamber 4 to exchange heat between the processed workpiece and the cold workpiece, the cold workpiece is preheated, the hot workpiece is cooled, and the cold workpiece is reduced. The energy consumption of workpiece heating and subsequent cooling of hot workpieces saves energy.

In the present invention, specific examples are used to illustrate the principles and implementations of the present invention, and the descriptions of the above embodiments are only used to help understand the method and the core idea of the present invention; There will be changes in the specific implementation manner and application scope of the idea of the invention. In conclusion, the contents of this specification should not be construed as limiting the present invention.

Claims (10)

1. An isothermal normalizing system, comprising:

a heating chamber capable of heating a workpiece;

a cooling chamber capable of cooling the workpiece heated by the heating chamber;

an isothermal chamber capable of isothermal heat treatment of the workpiece cooled by the cooling chamber;

in the process flow direction of the isothermal normalizing system, the heating chamber is positioned at the upstream of the cooling chamber, the isothermal chamber is positioned at the downstream of the cooling chamber, and the heating chamber and the isothermal chamber are respectively connected with the cooling chamber;

and the inlet of the heating chamber and the outlet of the isothermal chamber are respectively connected with the heat exchange chamber.

2. Isothermal normalizing system according to claim 1, characterized in that: the heat exchange chamber is connected with a vacuum air exchange chamber, the vacuum air exchange chamber can exchange air in vacuum for the environment where the workpiece is located, the vacuum air exchange chamber is communicated with the heat exchange chamber, and the vacuum air exchange chamber is located at one end, far away from the heating chamber and the isothermal chamber, of the heat exchange chamber.

3. Isothermal normalizing system according to claim 1, characterized in that: two groups of conveying mechanisms are arranged in the heat exchange chamber, the conveying mechanisms are arranged in parallel and are opposite in conveying direction, one group of conveying mechanisms is connected with an inlet of the heating chamber, and the other group of conveying mechanisms is connected with an outlet of the isothermal chamber.

4. Isothermal normalizing system according to claim 1, characterized in that: the heating chamber and the isothermal chamber are both of a push tray furnace structure.

5. Isothermal normalizing system according to claim 4, characterized in that: the heating chamber and the isothermal chamber are arranged in parallel, the material running directions of the heating chamber and the isothermal chamber are opposite, and the cooling chamber is arranged between the heating chamber and the isothermal chamber.

6. Isothermal normalizing system according to claim 1, characterized in that: the heating chamber and wait the greenhouse all with the heat transfer room is linked together, the cooling chamber is sealed cavity, the heating chamber with between the cooling chamber and wait the greenhouse with all be provided with the transport mechanism between the cooling chamber, transport mechanism can carry the work piece.

7. Isothermal normalizing system according to claim 1, characterized in that: and the cooling chamber is connected with a circulating cooling assembly, and the circulating cooling assembly can convey a cooling medium into the cooling chamber.

8. Isothermal normalizing system according to claim 7, characterized in that: the circulating cooling assembly comprises a cooling fan, the cooling fan is communicated with the cooling chamber, and the cooling medium is nitrogen.

9. Isothermal normalizing system according to any one of claims 1 to 8, characterized in that: the heating chamber, the cooling chamber, the isothermal chamber and the heat exchange chamber are all connected with the control unit.

10. Isothermal normalizing system according to claim 9, characterized in that: the control unit is provided with a telecommunication element.

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