CN111254271A - Annealing device - Google Patents

Annealing device Download PDF

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Publication number
CN111254271A
CN111254271A CN202010249575.2A CN202010249575A CN111254271A CN 111254271 A CN111254271 A CN 111254271A CN 202010249575 A CN202010249575 A CN 202010249575A CN 111254271 A CN111254271 A CN 111254271A
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CN
China
Prior art keywords
channel
heating
conveying
annealing
feeding
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Pending
Application number
CN202010249575.2A
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Chinese (zh)
Inventor
陈继兵
罗强
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Wuhan Polytechnic University
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Wuhan Polytechnic University
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Publication date
Application filed by Wuhan Polytechnic University filed Critical Wuhan Polytechnic University
Priority to CN202010249575.2A priority Critical patent/CN111254271A/en
Publication of CN111254271A publication Critical patent/CN111254271A/en
Pending legal-status Critical Current

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    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/0006—Details, accessories not peculiar to any of the following furnaces
    • C21D9/0018—Details, accessories not peculiar to any of the following furnaces for charging, discharging or manipulation of charge
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/26—Methods of annealing
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/34—Methods of heating
    • C21D1/42—Induction heating
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D11/00—Process control or regulation for heat treatments
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/25—Process efficiency

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Heat Treatment Of Articles (AREA)
  • Tunnel Furnaces (AREA)

Abstract

The invention provides an annealing device, which comprises a heating furnace body, a heating device and a conveying device, wherein the heating furnace body is provided with a heating furnace body; a channel with two open ends is formed on the heating furnace body; the heating device is arranged in the heating furnace body and is used for forming a heating space in the channel; the conveying device is arranged on the heating furnace body and used for conveying the workpiece to be annealed from one end of the channel to the other end of the channel through the heating space. According to the technical scheme, the workpiece to be annealed is placed on the conveying device, is conveyed into the heating space from one end of the channel, is subjected to heating annealing in the heating space, and is conveyed to the other end of the channel after the annealing is completed, so that the continuous annealing of the workpiece is realized, manual filling is not needed, and the working efficiency is greatly improved.

Description

Annealing device
Technical Field
The invention relates to the field of metal processing equipment, in particular to an annealing device.
Background
Annealing refers to slowly heating the metal to a temperature, holding for a sufficient time, and then cooling at a suitable rate. The purpose is to reduce hardness and improve machinability; the residual stress is eliminated, the size is stabilized, and the deformation and crack tendency is reduced; fine electromagnetic grains, regulating the structure and eliminating the structure defects.
The annealing device is processing equipment indispensable in annealing processing, and generally, a workpiece is firstly loaded into a furnace pipe, then the furnace pipe is placed into a hearth, the furnace pipe is heated to a preset temperature and kept for a certain time, then the furnace pipe is withdrawn from the hearth of the annealing device, and then the workpiece is taken out from the furnace pipe. The annealing mode has the disadvantages of complex operation, serious energy consumption waste and low automation degree, and greatly influences the production efficiency of workpieces.
Disclosure of Invention
The invention mainly aims to provide an annealing device, aiming at solving the problem of low annealing efficiency.
In order to achieve the above object, the present invention provides an annealing apparatus, comprising:
the heating furnace body is provided with a channel with two open ends;
the heating device is arranged in the heating furnace body and used for forming a heating space in the channel; and the number of the first and second groups,
and the conveying device is arranged on the heating furnace body and used for conveying the workpiece to be annealed from one end of the channel to the other end of the channel through the heating space.
Optionally, the heating furnace body comprises a heating furnace shell and an inner container arranged in the heating furnace shell, and the channel is formed on the inner container.
Optionally, an installation cavity is formed between the heating furnace shell and the inner container;
the heating device comprises an electromagnetic heating ring arranged in the installation cavity, and the electromagnetic heating ring is arranged around the inner container.
Optionally, the two openings of the channel correspond to a feed inlet and a discharge outlet which are sequentially distributed in the conveying direction of the conveying device;
the mounting cavity comprises a feeding cavity section close to one end of the feeding hole, and the inner wall of the feeding cavity section is provided with a first through hole communicated with the channel;
the annealing device further comprises a first photoelectric sensor installed on the feeding cavity section, wherein the first photoelectric sensor is right opposite to the first via hole and electrically connected with the heating device.
Optionally, the two openings of the channel correspond to a feed inlet and a discharge outlet which are sequentially distributed in the conveying direction of the conveying device;
the mounting cavity comprises a discharge cavity section close to one end of the discharge hole, and a second through hole communicated with the channel is formed in the inner wall of the discharge cavity section;
the annealing device further comprises a second photoelectric sensor installed on the discharging cavity section, the second photoelectric sensor is right opposite to the second through hole and electrically connected with the heating device.
Optionally, the conveying device includes a plurality of conveying rollers arranged at intervals along the length direction of the channel, the plurality of conveying rollers extend along the width direction of the channel, axes extending along the width direction of the channel are rotatably mounted on the heating furnace body, and side surfaces of the plurality of conveying rollers are used for bearing the workpiece to be annealed.
Optionally, the two openings of the channel correspond to a feed inlet and a discharge outlet which are sequentially distributed in the conveying direction of the conveying device;
the annealing device further comprises a feeding device, wherein the feeding device is arranged close to the feeding hole and used for conveying an external workpiece to be annealed into the channel from the feeding hole.
Optionally, the feeding device includes a device base and a plurality of feeding rollers disposed on the device base at intervals along the length direction of the channel, the plurality of feeding rollers extend along the width direction of the channel and are rotatably mounted along an axis extending along the width direction of the channel, and side surfaces of the plurality of feeding rollers are commonly used for bearing and conveying the workpiece to be annealed.
Optionally, an installation cavity is formed between the heating furnace shell and the inner container;
the annealing device further comprises a temperature sensor, wherein the temperature sensor is arranged on the inner wall of the installation cavity and is correspondingly positioned in the heating space.
Optionally, the annealing device further comprises a temperature display arranged on the outer side surface of the heating furnace shell, and the temperature display is electrically connected with the temperature sensor.
According to the technical scheme, a channel with two open ends is formed in the heating furnace body, the heating device arranged in the heating furnace body is used for heating the interior of the channel to form a heating space, a workpiece to be annealed is placed on the conveying device and is conveyed into the heating space from one end of the channel, the workpiece to be annealed is heated and annealed in the heating space, and the workpiece to be annealed is conveyed to the other end of the channel after annealing is completed, so that continuous annealing is achieved, manual filling is not needed, and the working efficiency is greatly improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic cross-sectional structural diagram of an annealing apparatus according to an embodiment of the present invention.
The reference numbers illustrate:
reference numerals Name (R) Reference numerals Name (R)
100 Annealing device 31 First photoelectric sensor
1 Heating furnace body 32 Second photoelectric sensor
11 Heating furnace shell 41 Conveying roller
12 Inner container 51 Engine base
121 A first via hole 52 Feeding roller
122 Second via hole 6 Temperature display
21 Electromagnetic heating ring
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
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.
It should be noted that, if directional indication is involved in the embodiment of the present invention, the directional indication is only used for explaining the relative positional relationship, the motion situation, and the like between the components in a certain posture, and if the certain posture is changed, the directional indication is changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
Annealing refers to slowly heating the metal to a temperature, holding for a sufficient time, and then cooling at a suitable rate. The purpose is to reduce hardness and improve machinability; the residual stress is eliminated, the size is stabilized, and the deformation and crack tendency is reduced; fine electromagnetic grains, regulating the structure and eliminating the structure defects.
The annealing device is processing equipment indispensable in annealing processing, and generally, a workpiece is firstly loaded into a furnace pipe, then the furnace pipe is placed into a hearth, the furnace pipe is heated to a preset temperature and kept for a certain time, then the furnace pipe is withdrawn from the hearth of the annealing device, and then the workpiece is taken out from the furnace pipe. The annealing mode has the disadvantages of complex operation, serious energy consumption waste and low automation degree, and greatly influences the production efficiency of workpieces.
The invention provides an annealing device, wherein fig. 1 is an embodiment provided by the invention.
Referring to fig. 1, the present invention provides an annealing apparatus 100, which includes a heating furnace body 1, a heating device and a conveying device; a channel with two open ends is formed on the heating furnace body 1; the heating device is arranged on the heating furnace body 1 and is used for forming a heating space in the channel; the conveying device is arranged on the heating furnace body 1 and used for conveying the workpiece to be annealed from one end of the channel to the other end of the channel through the heating space.
According to the technical scheme, a channel with two open ends is formed in a heating furnace body 1, the channel is heated through a heating device arranged in the heating furnace body to form a heating space, a workpiece to be annealed is placed on a conveying device and is conveyed into the heating space from one end of the channel, the workpiece to be annealed is heated and annealed in the heating space, and the workpiece to be annealed is conveyed to the other end of the channel after annealing is completed, so that continuous annealing is achieved, manual filling is not needed, and the working efficiency is greatly improved.
Further, the heating furnace body 1 comprises a heating furnace shell 11 and an inner container 12 arranged in the heating furnace shell 11, and the channel is formed on the inner container 12. Dividing the heating furnace body 1 into the heating furnace shell 1 and the inner container 12 is convenient for the maintenance of the heating furnace body 1, protects the use safety of the inner container 12 and can prevent the heat from greatly losing.
Furthermore, an installation cavity is formed between the heating furnace shell 11 and the inner container 12, the heating device comprises an electromagnetic heating ring 21 arranged in the installation cavity, and the electromagnetic heating ring 21 is arranged around the inner container 12. The electromagnetic heating ring 21 heats the inner containers 12, so that the heating uniformity of all positions in the channel is ensured, and the annealing effect is better.
In addition, two openings of the channel correspond to a feed inlet and a discharge outlet which are sequentially distributed in the conveying direction of the conveying device; the mounting cavity comprises a feeding cavity section close to one end of the feeding hole, and the inner wall of the feeding cavity section is provided with a first through hole 121 communicated with the channel; the annealing device 100 further comprises a first photoelectric sensor 31 installed on the feeding cavity section, wherein the first photoelectric sensor 31 is arranged right opposite to the first via hole 121 and electrically connected with the heating device. Through first photoelectric sensor 31 detects whether treat that annealing work piece gets into in the passageway, just first photoelectric sensor 31 with heating device electric connection makes after treating annealing work piece and passing through heating device begins to heat, realizes annealing device's automatic operation has saved a large amount of manpowers.
Similarly, the two openings of the channel correspond to a feed inlet and a discharge outlet which are sequentially distributed in the conveying direction of the conveying device; the mounting cavity comprises a discharge cavity section close to one end of the discharge hole, and a second through hole 122 communicated with the channel is formed in the inner wall of the discharge cavity section; the annealing device 100 further comprises a second photoelectric sensor 32 installed on the discharging cavity section, wherein the second photoelectric sensor 32 is arranged right opposite to the second via hole 122 and electrically connected with the heating device. Whether a workpiece exits from the channel is detected through the second photoelectric sensor 32, so that the annealing device 100 is automatically closed.
Specifically, in order to facilitate the transportation of the workpiece to be annealed, the conveying device includes a plurality of conveying rollers 41 arranged at intervals along the length direction of the channel, the plurality of conveying rollers 41 all extend along the width direction of the channel, axes extending along the width direction of the channel are rotatably mounted on the heating furnace body 1, and side surfaces of the plurality of conveying rollers 41 are commonly used for bearing the workpiece to be annealed. The work price to be annealed is conveyed through the conveying roller 41, so that the smoothness of workpiece transportation is ensured, and the influence of the heating space on the conveying device is prevented.
In addition, in the present embodiment, in order to ensure the continuous operation of the annealing device 100, two openings of the channel correspond to a feeding port and a discharging port which are sequentially distributed in the conveying direction of the conveying device; the annealing device 100 further comprises a feeding device, wherein the feeding device is arranged close to the feeding hole and used for conveying an external workpiece to be annealed into the channel from the feeding hole. Workpieces are not required to be manually and sequentially delivered into the feeding hole, and the workpieces to be annealed can continuously enter the channel through the feeding device.
Specifically, in this embodiment, the feeding device includes a device base 51 and a plurality of feeding rollers 52 disposed on the device base at intervals along the length direction of the channel, the plurality of feeding rollers 52 all extend along the width direction of the channel, and are rotatably mounted along the axis extending along the width direction of the channel, and the side surfaces of the plurality of feeding rollers 52 are commonly used for carrying and conveying the workpiece to be annealed. The workpieces to be annealed are conveyed to the feeding port through the feeding roller 52, so that the safety and the reliability of the feeding device are ensured.
In addition, an installation cavity is formed between the heating furnace shell 11 and the inner container 12; the annealing device 100 further comprises a temperature sensor, wherein the temperature sensor is arranged on the inner wall of the installation cavity and is correspondingly positioned in the heating space. And sequentially detecting the temperature in the heating space so as to control the annealing temperature.
Further, the annealing device 100 further comprises a temperature display 6 arranged on the outer side surface of the heating furnace shell 11, and the temperature display 6 is electrically connected with the temperature sensor. So as to observe the temperature in the heating space in real time.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents made by the contents of the present specification and drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (10)

1. An annealing apparatus, comprising:
the heating furnace body is provided with a channel with two open ends;
the heating device is arranged in the heating furnace body and used for forming a heating space in the channel; and the number of the first and second groups,
and the conveying device is arranged on the heating furnace body and used for conveying the workpiece to be annealed from one end of the channel to the other end of the channel through the heating space.
2. The annealing device of claim 1, wherein the furnace body comprises a furnace shell and an inner container disposed in the furnace shell, the channel being formed in the inner container.
3. The annealing device according to claim 2, wherein a mounting cavity is formed between the heating furnace shell and the inner container;
the heating device comprises an electromagnetic heating ring arranged in the installation cavity, and the electromagnetic heating ring is arranged around the inner container.
4. The annealing apparatus according to claim 3, wherein the two openings of the channel correspond to a feed inlet and a discharge outlet which are sequentially distributed in the conveying direction of the conveying means;
the mounting cavity comprises a feeding cavity section close to one end of the feeding hole, and the inner wall of the feeding cavity section is provided with a first through hole communicated with the channel;
the annealing device further comprises a first photoelectric sensor installed on the feeding cavity section, wherein the first photoelectric sensor is right opposite to the first via hole and electrically connected with the heating device.
5. The annealing apparatus according to claim 3, wherein the two openings of the channel correspond to a feed inlet and a discharge outlet which are sequentially distributed in the conveying direction of the conveying means;
the mounting cavity comprises a discharge cavity section close to one end of the discharge hole, and a second through hole communicated with the channel is formed in the inner wall of the discharge cavity section;
the annealing device further comprises a second photoelectric sensor installed on the discharging cavity section, the second photoelectric sensor is right opposite to the second through hole and electrically connected with the heating device.
6. The annealing device according to claim 1, wherein the conveying device comprises a plurality of conveying rollers arranged at intervals along the length direction of the channel, the plurality of conveying rollers extend along the width direction of the channel, axes extending along the width direction of the channel are rotatably mounted on the heating furnace body, and side surfaces of the plurality of conveying rollers are used together for bearing the workpiece to be annealed.
7. The annealing apparatus according to claim 1, wherein the two openings of the passage correspond to a feed port and a discharge port which are sequentially distributed in the conveying direction of the conveying means;
the annealing device further comprises a feeding device, wherein the feeding device is arranged close to the feeding hole and used for conveying an external workpiece to be annealed into the channel from the feeding hole.
8. The annealing device according to claim 7, wherein the feeding device comprises a device base and a plurality of feeding rollers arranged on the device base at intervals along the length direction of the channel, the plurality of feeding rollers extend along the width direction of the channel and are rotatably mounted along an axis extending along the width direction of the channel, and side surfaces of the plurality of feeding rollers are used together for carrying and conveying the workpiece to be annealed.
9. The annealing device according to claim 2, wherein a mounting cavity is formed between the heating furnace shell and the inner container;
the annealing device further comprises a temperature sensor, wherein the temperature sensor is arranged on the inner wall of the installation cavity and is correspondingly positioned in the heating space.
10. The annealing apparatus of claim 9, further comprising a temperature display disposed on an outer side of the furnace housing, the temperature display being electrically connected to the temperature sensor.
CN202010249575.2A 2020-04-01 2020-04-01 Annealing device Pending CN111254271A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010249575.2A CN111254271A (en) 2020-04-01 2020-04-01 Annealing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010249575.2A CN111254271A (en) 2020-04-01 2020-04-01 Annealing device

Publications (1)

Publication Number Publication Date
CN111254271A true CN111254271A (en) 2020-06-09

Family

ID=70955146

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010249575.2A Pending CN111254271A (en) 2020-04-01 2020-04-01 Annealing device

Country Status (1)

Country Link
CN (1) CN111254271A (en)

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