CN211527646U - Nine-point temperature measuring device of vacuum heat treatment furnace - Google Patents
Nine-point temperature measuring device of vacuum heat treatment furnace Download PDFInfo
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- CN211527646U CN211527646U CN202020242321.3U CN202020242321U CN211527646U CN 211527646 U CN211527646 U CN 211527646U CN 202020242321 U CN202020242321 U CN 202020242321U CN 211527646 U CN211527646 U CN 211527646U
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- temperature measuring
- thermocouple
- heat treatment
- vacuum heat
- furnace body
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Abstract
The utility model relates to the field of metal material heat treatment, in particular to a nine-point temperature measuring device of a vacuum heat treatment furnace. The device comprises a temperature measuring frame, sleeves and a thermocouple and furnace body connecting part, wherein eight vertexes of the temperature measuring frame correspond to eight temperature measuring points respectively, the center inside the temperature measuring frame corresponds to a ninth temperature measuring point, the eight sleeves correspond to the eight temperature measuring points respectively, and the eight sleeves are placed in a vacuum heat treatment furnace after being connected with the temperature measuring frame through bolts respectively; thermocouple and furnace body coupling part contains thermocouple, motor, the external vacuum cavity of taking the scale, and external vacuum cavity passes through the bolt and links to each other with the top of furnace body, and in the top that the lower extreme of thermocouple passed the furnace body extended the furnace body, the upper end of thermocouple was located external vacuum cavity, and external vacuum cavity is arranged in to the motor, adopts the lead screw to be connected between the output of motor and the thermocouple. The device of the utility model is simple in operation, with low costs, the realization carries out temperature calibration to vacuum heat treatment furnace.
Description
The technical field is as follows:
the utility model relates to the field of metal material heat treatment, in particular to a nine-point temperature measuring device of a vacuum heat treatment furnace.
Background art:
high-temperature alloy, titanium alloy, high-strength steel and other metal materials are indispensable key structural materials for aviation, aerospace, energy, nuclear industry, petrifaction, national defense weaponry and national economic construction. Because the metal material is in service at high temperature and pressure stress for a long time, the microstructure regulation of the metal component is particularly important during vacuum heat treatment. With the prolonging of the service life of the vacuum heat treatment furnace and the increase of the use frequency, the temperature equalizing area of the heat treatment furnace changes, so that the temperature of the part is inconsistent during the heat treatment of the metal component, the heat treatment effect cannot be fully exerted, and even the part fails in advance.
The utility model has the following contents:
the utility model discloses the technical problem that needs to solve is: the nine-point temperature measuring device of the vacuum heat treatment furnace can be flexibly applied to various commercial vacuum heat treatment furnaces, can continuously measure the temperatures of a plurality of positions in a furnace body on the premise of not damaging vacuum, and solves the problems that the temperature in a size range is measured only once, the vacuum is broken repeatedly and the size of a temperature measuring frame is required to be adjusted in the prior art.
The technical scheme of the utility model is that:
the utility model provides a nine some temperature measuring device of vacuum heat treatment furnace, the device includes temperature measurement frame, sleeve pipe, thermocouple and furnace body coupling part, and the concrete structure is as follows:
the temperature measuring frame is a cuboid metal frame formed by connecting twelve metal rods, the adjacent metal rods are connected through bolts, eight vertexes of the cuboid metal frame correspond to eight temperature measuring points respectively, the center of the inside of the temperature measuring frame corresponds to a ninth temperature measuring point, the eight sleeves correspond to the eight temperature measuring points respectively, and the eight sleeves are placed in the vacuum heat treatment furnace after being connected with the temperature measuring frame through bolts respectively;
thermocouple and furnace body coupling part contains the thermocouple of taking the scale, motor, external vacuum cavity, and external vacuum cavity passes through the bolt and links to each other with the top of furnace body, and in the top that the lower extreme of thermocouple passed the furnace body extended the furnace body, the upper end of thermocouple was located external vacuum cavity, and external vacuum cavity is arranged in to the motor, adopts the lead screw to be connected between the output of motor and the thermocouple, makes the thermocouple produce relative motion in vacuum heat treatment stove through motor drive for the temperature of the different positions of test.
According to the nine-point temperature measuring device of the vacuum heat treatment furnace, in the vacuum heat treatment furnace, the lower ends of the thermocouples are placed in the eight sleeves, the thermocouples and the sleeves move relatively, and the sleeves provide support for the thermocouples.
The nine-point temperature measuring device of the vacuum heat treatment furnace is characterized in that a gap part at the joint of the external vacuum cavity and the top of the furnace body is sealed by a sealing ring II.
In the nine-point temperature measuring device of the vacuum heat treatment furnace, a gap part at the joint of the thermocouple and the top of the furnace body is sealed by a first sealing ring.
The input end of the motor of the nine-point temperature measuring device of the vacuum heat treatment furnace is connected with an external power supply through a second lead.
In the nine-point temperature measuring device of the vacuum heat treatment furnace, the upper end of a thermocouple is led out to a temperature display through a first lead.
The nine-point temperature measuring device of the vacuum heat treatment furnace is characterized in that the sleeve is a metal or ceramic sleeve.
The utility model has the advantages and beneficial effects that:
1. the utility model discloses a device includes temperature measurement frame, sleeve pipe, thermocouple, motor, external vacuum cavity etc. wherein adopt the bolt to add the form of sealing washer to be connected between external vacuum cavity and the furnace body, and there is the motor in the vacuum cavity, and the motor passes through the wire and links to each other with the outside, connects through the lead screw between motor and the thermocouple, makes the thermocouple take place the motion in the furnace body through the motion of motor, makes the temperature of testing different positions; the temperature measuring frame is connected with the sleeve by bolts, and the sleeve is made of metal or ceramic and used for supporting the thermocouple and preventing the thermocouple from bending and deforming at high temperature.
2. The utility model discloses the device mountable is on current vacuum heat treatment furnace, and easy operation, with low costs carry out the temperature calibration to vacuum heat treatment furnace before realizing metal component vacuum heat treatment process to effective control metal component's microstructure and mechanical properties provide basic data for the metal material application.
3. The utility model discloses compatible good, practice thrift the cost, little to the equipment harm.
Description of the drawings:
fig. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a schematic view of the structure of the temperature measuring frame in the vacuum heat treatment furnace of the present invention.
FIG. 3 is a schematic view of the structure of the vacuum heat treatment furnace of the present invention after the temperature measuring frame is connected with the sleeve.
Fig. 4 is a schematic view of the structure of the sleeve for fixing the thermocouple according to the present invention.
Fig. 5 is a schematic view of the connection part between the thermocouple and the furnace body according to the present invention.
In the figure, a temperature measuring frame A, temperature measuring points A1-A9, D1-D8 sleeves, a C1 thermocouple, a C2 motor, a C3 sealing ring I, a C4 sealing ring II, a C5 external vacuum cavity, a furnace body E, a F lead I and a G lead II.
The specific implementation mode is as follows:
the present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1-5, the nine-point temperature measuring device of the vacuum heat treatment furnace of the present invention comprises a temperature measuring frame a, a sleeve D1-D8, a thermocouple, a furnace body connecting part, etc., and has the following specific structure:
the temperature measuring frame A is a cuboid metal frame formed by connecting twelve metal rods, adjacent metal rods are connected through bolts, eight vertexes of the cuboid metal frame correspond to eight temperature measuring points A1-A8 respectively, the center inside the temperature measuring frame A corresponds to a temperature measuring point A9, sleeves D1-D8 correspond to eight temperature measuring points A1-A8 respectively, the sleeves D1-D8 are connected with the temperature measuring frame A through bolts respectively and then placed in a vacuum heat treatment furnace, and the sleeves D1-D8 are made of metal or ceramic and used for supporting the thermocouple and preventing the thermocouple from being bent and deformed at high temperature.
As shown in fig. 5, the thermocouple and furnace body connecting portion includes a thermocouple C1 with scales, a motor C2, a first sealing ring C3, a second sealing ring C4, and an external vacuum cavity C5, the external vacuum cavity C5 is connected to the top of the furnace body E through bolts, and a gap portion at the connection of the external vacuum cavity C5 and the top of the furnace body E is sealed by the second sealing ring C4. The lower end of the thermocouple C1 penetrates through the top of the furnace body E and extends into the furnace body E, the upper end of the thermocouple C1 is located in an external vacuum cavity C5, the upper end of the thermocouple C1 is led out to a temperature display through a first lead F, and a gap part at the connection part of the thermocouple C1 and the top of the furnace body E is sealed by a first sealing ring C3. The motor C2 is arranged in the external vacuum cavity C5, the input end of the motor C2 is connected with an external power supply through a second lead wire G, the output end of the motor C2 is connected with the thermocouple C1 through a lead screw, and the thermocouple C1 is driven by the motor C2 to generate relative motion in the vacuum heat treatment furnace, so that the temperatures of different positions are tested.
In the vacuum heat treatment furnace, the lower end of thermocouple C1 was placed into sleeves D1-D8, and thermocouple C1 was moved relative to sleeves D1-D8, and sleeves D1-D8 provided support for thermocouple C1. When the thermocouple C1 measures the temperature at the temperature measurement point a9, the lower end of the thermocouple C1 is moved directly to the temperature measurement point a9 to perform the measurement. Therefore, the size of the uniform temperature zone in the vacuum heat treatment furnace can be obtained through the temperature measuring points A1-A9 of the thermocouple C1 on the temperature measuring frame A and the scales on the thermocouple C1.
The result shows, the utility model discloses a change temperature measurement frame and telecontrol equipment's isotructure, can load on current vacuum heat treatment equipment, realize that the temperature of metal component before the vacuum heat treatment is revised, provide reliable data support for full play material performance.
Claims (7)
1. The utility model provides a nine some temperature measuring device of vacuum heat treatment furnace which characterized in that, the device includes temperature measurement frame, sleeve pipe, thermocouple and furnace body coupling part, and the concrete structure is as follows:
the temperature measuring frame is a cuboid metal frame formed by connecting twelve metal rods, the adjacent metal rods are connected through bolts, eight vertexes of the cuboid metal frame correspond to eight temperature measuring points respectively, the center of the inside of the temperature measuring frame corresponds to a ninth temperature measuring point, the eight sleeves correspond to the eight temperature measuring points respectively, and the eight sleeves are placed in the vacuum heat treatment furnace after being connected with the temperature measuring frame through bolts respectively;
thermocouple and furnace body coupling part contains the thermocouple of taking the scale, motor, external vacuum cavity, and external vacuum cavity passes through the bolt and links to each other with the top of furnace body, and in the top that the lower extreme of thermocouple passed the furnace body extended the furnace body, the upper end of thermocouple was located external vacuum cavity, and external vacuum cavity is arranged in to the motor, adopts the lead screw to be connected between the output of motor and the thermocouple, makes the thermocouple produce relative motion in vacuum heat treatment stove through motor drive for the temperature of the different positions of test.
2. The nine-point temperature measuring apparatus of a vacuum heat treatment furnace as claimed in claim 1, wherein in the vacuum heat treatment furnace, the lower ends of the thermocouples are placed in eight bushings, and the thermocouples are moved relative to the bushings, which provide supports for the thermocouples.
3. The nine-point temperature measuring device for the vacuum heat treatment furnace according to claim 1, wherein a gap portion at a junction of the external vacuum chamber and the top of the furnace body is sealed by a second sealing ring.
4. The nine-point temperature measuring apparatus for the vacuum heat treatment furnace according to claim 1, wherein a gap portion at a junction of the thermocouple and the top of the furnace body is sealed with a first seal ring.
5. The nine-point temperature measuring apparatus for a vacuum heat treatment furnace according to claim 1, wherein an input terminal of the motor is connected to an external power source through a second lead.
6. The nine-point temperature measuring apparatus for a vacuum heat-treating furnace according to claim 1, wherein the upper end of the thermocouple is led out to the temperature display through a first lead wire.
7. The nine-point temperature measuring apparatus for a vacuum heat treatment furnace according to claim 1, wherein the sleeve is a metal or ceramic sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020242321.3U CN211527646U (en) | 2020-03-03 | 2020-03-03 | Nine-point temperature measuring device of vacuum heat treatment furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020242321.3U CN211527646U (en) | 2020-03-03 | 2020-03-03 | Nine-point temperature measuring device of vacuum heat treatment furnace |
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| Publication Number | Publication Date |
|---|---|
| CN211527646U true CN211527646U (en) | 2020-09-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020242321.3U Active CN211527646U (en) | 2020-03-03 | 2020-03-03 | Nine-point temperature measuring device of vacuum heat treatment furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211527646U (en) |
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2020
- 2020-03-03 CN CN202020242321.3U patent/CN211527646U/en active Active
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