CN111378818B - Fastener heat treatment heat preservation device - Google Patents
Fastener heat treatment heat preservation device Download PDFInfo
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- CN111378818B CN111378818B CN202010407240.9A CN202010407240A CN111378818B CN 111378818 B CN111378818 B CN 111378818B CN 202010407240 A CN202010407240 A CN 202010407240A CN 111378818 B CN111378818 B CN 111378818B
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- pipe
- box body
- heat
- heat conduction
- radiator
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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
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/34—Methods of heating
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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
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
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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
- C21D9/0062—Heat-treating apparatus with a cooling or quenching zone
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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
- C21D9/0068—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for particular articles not mentioned below
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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)
- Furnace Details (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The invention relates to a heat treatment and heat preservation device for fasteners, which comprises a box body, a heat conduction pipe and an object placing pipe, wherein the heat conduction pipe and the object placing pipe are fixed in the box body, the heat conduction pipe and the object placing pipe are arranged in a cross mode and are communicated, heating wires are wound on the outer surface of the heat conduction pipe, one end of the heat conduction pipe is communicated with a protective gas source through an air inlet pipe, the other end of the heat conduction pipe is connected with an exhaust pipe, an exhaust valve is installed on the exhaust pipe, bin doors are installed at two end openings of the object placing pipe, a controller is further installed on the box body, the heating wires are electrically connected with the controller, a refrigerating device is installed at the top of the box body, and air inlets are formed in the periphery of the bottom of the box body. By adopting the technical scheme provided by the invention, the heating wire and the refrigerating device are used for heating and refrigerating respectively, so that the temperature in the box body is maintained at an ideal temperature condition, the purpose of accurately preserving the heat of the fastener in the heat treatment process is realized, the heat conduction pipe is communicated with a protective gas source, the fastener is prevented from being oxidized by oxygen in the external environment, and a foundation is laid for improving the heat treatment performance of the fastener.
Description
Technical Field
The invention belongs to the technical field of fastener heat treatment, and particularly relates to a heat preservation device for fastener heat treatment.
Background
Fasteners are a generic term for a class of mechanical parts used to join two or more parts or components together. Various fasteners can be seen on various machines, equipment, vehicles, ships, railways, bridges, buildings, structures, tools, instruments, chemical engineering, instruments and other articles, when the equipment or the device runs, various tension-compression, shearing, torsion, bending, impact loads and other acting forces generated by moving parts in the equipment or the device are transmitted to the fasteners, the fasteners bear various loads, the service life of the current domestic fasteners is short, the working environment of some fasteners is quite severe, the requirements on the performance of the fasteners are high, the performance of the fasteners in the heat treatment process is directly influenced, in the prior art, the adopted heat treatment processes are correspondingly different according to the different materials of the fasteners, the various heat treatment processes such as quenching, normalizing, tempering, annealing and the like are mainly adopted, and different heat treatment modes have different effects, in many heat treatment processes, the fastener is often required to be heated to a proper temperature for heat preservation, the existing heat treatment equipment does not have a special heat preservation device, and the existing oven for heat treatment generally only has a single heating device, so that the heat preservation temperature is not accurate, and the temperature of each part in the oven cannot be kept uniform easily because the installation position of the heating device cannot uniformly cover each area in the oven.
Disclosure of Invention
In order to solve the technical problem, the invention provides a heat treatment and insulation device for a fastener.
The invention provides a heat treatment and heat preservation device for fasteners, which comprises a box body, a heat conduction pipe and an object placing pipe, wherein the heat conduction pipe and the object placing pipe are fixed in the box body, two ends of the heat conduction pipe and the object placing pipe respectively extend out of the box body, the heat conduction pipe and the object placing pipe are mutually crossed and communicated, a heating wire is wound on the outer surface of the heat conduction pipe, one end of the heat conduction pipe is communicated with a protective gas source through an air inlet pipe, the other end of the heat conduction pipe is connected with an exhaust pipe, an exhaust valve is installed on the exhaust pipe, bin doors are installed at two end openings of the object placing pipe, a controller is also installed on the box body, the heating wire is electrically connected with the controller, a refrigerating device is installed at the top of the box body, and air inlets are formed in the periphery of the bottom of the box body.
And the air inlet pipe is also provided with a one-way air inlet valve.
The heat conducting pipe is made of refractory cement or mullite.
The refrigerating device comprises a fan A and a radiator A, the radiator A is fixedly installed on the inner wall of the top of the box body, and the fan A is installed on the radiator A.
The refrigerating device also comprises a fan B and a radiator B, wherein the radiator B is arranged on the outer wall of the top of the box body, the installation position of the radiator B corresponds to that of the radiator A, and the fan B is arranged on the radiator B.
The heat conduction pipe still installs a plurality of thermometers with thing pipe cross intercommunication department, the thermometer with controller electric connection.
The outer wall of the box body is coated with heat insulation materials.
And temperature mixing fans are further mounted at the inner corners of the box body.
And a barometer is further mounted on the heat conduction pipe, is arranged outside the box body and is close to the air inlet pipe.
The protective gas source is butane.
The invention has the beneficial effects that: by adopting the technical scheme provided by the invention, the fastener to be processed is placed in the object placing pipe, the heating wire and the refrigerating device which are arranged in the box body are used for respectively heating and refrigerating, so that the fastener is heated and maintained under a certain specific temperature condition, namely, the heating and refrigerating state of the fastener is balanced mutually, in addition, the temperature is measured by the thermometer arranged in the heat conduction pipe, so that the running time of the heating wire and the running time of the refrigerating device are controlled by the controller, the fastener can be maintained under the ideal temperature condition in the heat treatment, the aim of precise heat preservation is achieved, the heat treatment effect of the fastener is improved, the temperature mixing fan is also arranged in the box body, the air flow in the box body is accelerated by the temperature mixing fan, so that the heat in each part in the box body is uniformly distributed, and in addition, the heat conduction pipe is also communicated with a protective air source, the protective gas source is preferably butane, and the butane is filled into the heat conducting pipe, so that the oxygen content in the heat conducting pipe is reduced, the fastener is prevented from being oxidized in the heat treatment process, and a foundation is laid for improving the performance of the fastener after heat treatment.
Drawings
FIG. 1 is a top view of the present invention;
fig. 2 is a front view of the present invention.
In the figure: the system comprises a box body 1, a heat pipe 2, a material placing pipe 3, a heating wire 4, an air inlet pipe 5, a protective air source 6, a one-way air inlet valve 7, an air outlet pipe 8, an air outlet valve 9, a bin door 10, a controller 11, a refrigerating device 12, an air inlet 13, a fan A14, a radiator A15, a fan B16, a radiator B17, a radiator B18, a thermometer 19, a temperature mixing fan and a barometer 20.
Detailed Description
The technical solution of the present invention is further explained with reference to the accompanying drawings, but the claimed protection scope is not limited thereto;
the invention provides a heat treatment and heat preservation device for fasteners, which comprises a box body 1, a heat conduction pipe 2 and a storage pipe 3, wherein the heat conduction pipe 2 and the storage pipe 3 are fixed in the box body 1, two ends of the heat conduction pipe 2 and the storage pipe 3 respectively extend out of the box body 1, the heat conduction pipe 2 and the storage pipe 3 are mutually crossed and communicated, a heating wire 4 is wound on the outer surface of the heat conduction pipe 2, one end of the heat conduction pipe 2 is communicated with a protective gas source 6 through an air inlet pipe 5, the other end of the heat conduction pipe is connected with an exhaust pipe 8, an exhaust valve 9 is installed on the exhaust pipe 8, bin doors 10 are installed at two end ports of the storage pipe 3, a controller 11 is also installed on the box body 1, the heating wire 4 is electrically connected with the controller 11, a refrigerating device 12 is installed at the top of the box body 1, and air inlets 13 are formed in the periphery of the bottom of the box body 1.
Further, a one-way intake valve 7 is mounted on the intake pipe 5. The heat transfer tubes 2 are made of refractory cement or mullite. By adopting the technical scheme of the invention, the heat conduction pipe 2 made of the refractory cement or the mullite not only has the characteristic of high temperature resistance, but also can transfer the heat energy generated by the heating wire 4 to the fastener as far as possible.
In addition, the refrigeration device 12 includes a fan a14 and a radiator a15, the radiator a15 is fixedly installed on the inner wall of the top of the cabinet 1, and the fan a14 is installed on the radiator a 15. And heat-conducting silicone grease is coated between the radiator A15 and the inner wall of the top of the box body 1. The refrigerating device 12 further comprises a fan B16 and a radiator B17, wherein the radiator B17 is mounted on the outer wall of the top of the box body 1, the mounting position of the radiator B17 corresponds to the mounting position of the radiator a15, and the fan B16 is mounted on the radiator B17. By adopting the technical scheme of the invention, the heating wire 4 and the refrigerating device 12 are mutually combined for use, so that the fastener can be heated and maintained at a certain specific temperature, the heating wire 4 and the refrigerating device 12 are not used singly, the fastener is favorably and accurately maintained at the specific temperature, and the heat treatment quality of the fastener is favorably improved.
Furthermore, a plurality of thermometers 18 are installed at the intersection of the heat transfer pipe 2 and the storage pipe 3, and the thermometers 18 are electrically connected to the controller 11. The outer wall of the box body 1 is coated by heat insulating materials. The box body 1 is coated by heat insulating materials, so that the interference of external environment heat to the constant temperature environment in the box body 1 is avoided, and the temperature in the box body 1 can be kept constant and uniform. Further, a temperature mixing fan 19 is attached to each inner corner of the case 1. By adopting the technical scheme of the invention, the air flow in the box body 1 is accelerated by the temperature mixing fan 19, so that the heat in all positions in the box body 1 is uniformly distributed.
Further, a gas pressure gauge 20 is attached to the heat transfer pipes 2, and the gas pressure gauge 20 is disposed outside the casing 1 and in proximity to the intake pipe 5. Preferably, the shielding gas source is butane. The corresponding pressure parameters in the heat treatment process of the fastener can be mastered and known by a user through the barometer 20, and a foundation is laid for improving the performance of the fastener after the heat treatment process.
By adopting the technical scheme provided by the invention, the fastener to be processed is placed in the object placing pipe, the heating wire and the refrigerating device which are arranged in the box body are used for respectively heating and refrigerating, so that the fastener is heated and maintained under a certain specific temperature condition, namely, the heating and refrigerating state of the fastener is balanced mutually, in addition, the temperature is measured by the thermometer arranged in the heat conduction pipe, so that the running time of the heating wire and the running time of the refrigerating device are controlled by the controller, the fastener can be maintained under the ideal temperature condition in the heat treatment, the aim of precise heat preservation is achieved, the heat treatment effect of the fastener is improved, the temperature mixing fan is also arranged in the box body, the air flow in the box body is accelerated by the temperature mixing fan, so that the heat in each part in the box body is uniformly distributed, and in addition, the heat conduction pipe is also communicated with a protective air source, the protective gas source is preferably butane, and the butane is filled into the heat conducting pipe, so that the oxygen content in the heat conducting pipe is reduced, the fastener is prevented from being oxidized in the heat treatment process, and a foundation is laid for improving the performance of the fastener after heat treatment.
Claims (7)
1. The utility model provides a fastener thermal treatment heat preservation device which characterized in that: comprises a box body (1), a heat conduction pipe (2) and a storage pipe (3), wherein the heat conduction pipe (2) and the storage pipe (3) are fixed in the box body (1) and two ends of the heat conduction pipe and the storage pipe respectively extend out of the box body (1), the heat conducting pipe (2) and the material placing pipe (3) are mutually crossed and communicated, the outer surface of the heat conducting pipe (2) is wound with a heating wire (4), one end of the heat conducting pipe (2) is communicated with a protective gas source (6) through an air inlet pipe (5), the other end of the heat conducting pipe is connected with an exhaust pipe (8), an exhaust valve (9) is installed on the exhaust pipe (8), the bin gate (10) is arranged at the port of the two ends of the material placing pipe (3), the controller (11) is also arranged on the box body (1), the heating wire (4) is electrically connected with the controller (11), the refrigerating device (12) is installed at the top of the box body (1), and air inlets (13) are formed in the periphery of the bottom of the box body (1); the heat conduction pipe (2) is made of refractory cement or mullite; the heat conduction pipe (2) is also provided with a barometer (20), and the barometer (20) is arranged outside the box body (1) and is close to the air inlet pipe (5); the protective gas source is butane.
2. The heat treatment heat preservation device for the fastener according to claim 1, characterized in that: and a one-way air inlet valve (7) is further mounted on the air inlet pipe (5).
3. The heat treatment heat preservation device for the fastener according to claim 1, characterized in that: the refrigerating device (12) comprises a fan A (14) and a radiator A (15), the radiator A (15) is fixedly installed on the inner wall of the top of the box body (1), and the fan A (14) is installed on the radiator A (15).
4. A fastener heat treatment heat retention device as defined in claim 3, wherein: the refrigerating device (12) further comprises a fan B (16) and a radiator B (17), the radiator B (17) is installed on the outer wall of the top of the box body (1) and the installation position of the radiator B corresponds to the installation position of the radiator A (15), and the fan B (16) is installed on the radiator B (17).
5. The heat treatment heat preservation device for the fastener according to claim 1, characterized in that: the cross communication position of the heat conduction pipe (2) and the material placing pipe (3) is also provided with a plurality of thermometers (18), and the thermometers (18) are electrically connected with the controller (11).
6. The heat treatment heat preservation device for the fastener according to claim 1, characterized in that: the outer wall of the box body (1) is coated by heat insulation materials.
7. The heat treatment heat preservation device for the fastener according to claim 1, characterized in that: the box body (1) is also provided with temperature mixing fans (19) at the inner corners.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010407240.9A CN111378818B (en) | 2020-05-14 | 2020-05-14 | Fastener heat treatment heat preservation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010407240.9A CN111378818B (en) | 2020-05-14 | 2020-05-14 | Fastener heat treatment heat preservation device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111378818A CN111378818A (en) | 2020-07-07 |
| CN111378818B true CN111378818B (en) | 2021-10-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010407240.9A Active CN111378818B (en) | 2020-05-14 | 2020-05-14 | Fastener heat treatment heat preservation device |
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| CN (1) | CN111378818B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016079428A (en) * | 2014-10-14 | 2016-05-16 | トヨタ自動車株式会社 | Support tool for heat treatment |
| CN107421997A (en) * | 2017-07-31 | 2017-12-01 | 贵州开磷质量检测中心有限责任公司 | A kind of method of constant temperature system for conductivity measurement and measurement electrical conductivity |
| CN107881312A (en) * | 2017-12-26 | 2018-04-06 | 苏州东吾丰机械科技有限公司 | A kind of high-efficiency heat treatment device for fastening parts of automobiles |
| CN209669292U (en) * | 2018-11-13 | 2019-11-22 | 嘉兴合邦机械科技有限公司 | A kind of superhard annealing device of alloy carbon steel fastener |
| CN109338072B (en) * | 2018-11-30 | 2020-10-13 | 重庆铁源紧固件制造有限公司 | Fastener heat treatment equipment |
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2020
- 2020-05-14 CN CN202010407240.9A patent/CN111378818B/en active Active
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| CN111378818A (en) | 2020-07-07 |
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