CN218566705U - Temperature on-site measuring tool for vacuum heat treatment furnace - Google Patents
Temperature on-site measuring tool for vacuum heat treatment furnace Download PDFInfo
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- CN218566705U CN218566705U CN202222451538.7U CN202222451538U CN218566705U CN 218566705 U CN218566705 U CN 218566705U CN 202222451538 U CN202222451538 U CN 202222451538U CN 218566705 U CN218566705 U CN 218566705U
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Abstract
The utility model relates to a vacuum heat treatment field. The temperature on-site temperature measurement tool of the vacuum heat treatment furnace comprises a carbon-carbon frame and a graphite support column; the center of four outer frames of the first carbon frame is connected to the center of four outer frames of the second carbon frame through a graphite support column; four corners of the first carbon-carbon frame and four corners of the second carbon-carbon frame are respectively fixed with a graphite thermocouple fixing block, the graphite thermocouple fixing block is provided with a blind hole, and a ceramic tube is inserted in the blind hole; the blind holes of the four graphite thermocouple fixing blocks on the first carbon-carbon frame face to the center of the first carbon-carbon frame, and the blind holes of the four graphite thermocouple fixing blocks on the second carbon-carbon frame face to the center of the second carbon-carbon frame. The utility model discloses make the test thermocouple can reach the effective position of the effective zone of heating completely, the angle of adjustment that need not stop can avoid the eutectic of thermocouple to melt.
Description
Technical Field
The utility model relates to an electromechanical field, concretely relates to vacuum heat treatment field.
Background
When the vacuum heat treatment furnace is used for detecting the temperature uniformity at high temperature, the existing temperature measurement tool has the following problems:
1. the temperature measuring tool is easy to contact with a thermocouple (test temperature sensor) and eutectic melting is generated, so that the thermocouple is damaged and fails in testing;
2. the thermocouple can not reach the real position of the effective heating area necessarily, so that the utilization rate of the equipment is reduced because the effective heating area becomes smaller after the test.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a vacuum heat treatment furnace temperature scene temperature measurement frock to solve above-mentioned technical problem.
The utility model provides a technical problem can adopt following technical scheme to realize:
the on-site temperature measurement tool of the vacuum heat treatment furnace comprises a carbon-carbon frame positioned in the horizontal direction and a graphite support column positioned in the vertical direction; the carbon-carbon composite material is characterized in that the number of the carbon-carbon frames is two, namely a first carbon-carbon frame positioned above and a second carbon-carbon frame positioned below, and the centers of four outer frames of the first carbon-carbon frame are connected to the centers of four outer frames of the second carbon-carbon frame through one graphite support column respectively;
the four corners of the first carbon frame and the four corners of the second carbon frame are respectively fixed with one graphite thermocouple fixing block, the graphite thermocouple fixing blocks are provided with blind holes, and ceramic tubes are inserted into the blind holes;
the blind holes of the four graphite thermocouple fixing blocks on the first carbon-carbon frame face to the center of the first carbon-carbon frame, and the blind holes of the four graphite thermocouple fixing blocks on the second carbon-carbon frame face to the center of the second carbon-carbon frame.
Firstly, the utility model discloses change the position of graphite support column, through not establishing the graphite support column at bight, made things convenient for inserting of thermocouple to make the thermocouple reduce the number of times of bending, need not bend even, prolonged thermocouple life. Secondly, the utility model discloses an eight bights have respectively fixed a graphite thermocouple fixed block to the orientation of the blind hole on the graphite thermocouple fixed block has been optimized, thereby makes the test thermocouple can reach the effective position of the effective zone of heating completely, and the eutectic that does not need the angle of adjustment that does not stop just can avoid the thermocouple melts.
Preferably, the graphite thermocouple fixing block is provided with a bolt hole communicated with the blind hole, and a graphite nut is inserted into the bolt hole. Thereby utilizing the graphite nut to fix the ceramic tube in the blind hole.
Preferably, the carbon-carbon frame is formed by staggering odd first beams which are arranged at equal intervals and extend leftwards and rightwards and odd second beams which are arranged at equal intervals and extend forwards and backwards, and the number of the first beams and the number of the second beams are at least three; inserting grooves with upward openings are formed at the staggered positions of the first cross beam and the second cross beam, and the inserting grooves at the four corners of the carbon-carbon frame are respectively inserted with one graphite thermocouple fixing block; and taking the two first cross beams positioned at the outermost side and the two second cross beams positioned at the outermost side as outer frames of the carbon-carbon frame. The frame-shaped structure can effectively reduce the influence of shielding on heat, so that the measured data is more accurate. Moreover, the collision can be further reduced.
Preferably, the first carbon-carbon frame and the second carbon-carbon frame are opposite to each other vertically, the number of the graphite support columns is at least five, wherein the bottom of one graphite support column is connected to the insertion groove in the center of the second carbon-carbon frame, the top of the graphite support column is connected to the insertion groove in the center of the first carbon-carbon frame, and the graphite support column is used as a central support column; the four graphite support columns are respectively connected to the splicing grooves in the centers of the two first cross beams on the outermost side and the splicing grooves in the centers of the two second cross beams on the outermost side. Thereby the structure is more stable and has symmetry in many places.
Preferably, the thermocouple fixing device further comprises a thermocouple moving fixing block, an inserting block which can be inserted into the inserting groove is arranged below the thermocouple moving fixing block, a blind hole is formed in the thermocouple moving fixing block, and a ceramic tube is inserted into the blind hole. The thermocouples can be placed in the required areas and run to the fixed blocks, so that the thermocouples can be placed in all the areas, and eutectic melting caused by contact with graphite or CFC tools is avoided.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention will be further explained with reference to the specific drawings.
Referring to fig. 1, the on-site temperature measurement tool for the vacuum heat treatment furnace comprises a carbon-carbon frame located in the horizontal direction and a graphite support column located in the vertical direction.
The carbon frame is formed by first crossbeam that odd number equidistant was arranged and extended about, odd number equidistant was arranged and the second crossbeam that extends around crisscross back, and first crossbeam, second crossbeam all have three at least. In fig. 1, three first beams and four second beams are provided, which is a preferred embodiment of the present invention. The staggered position of the first cross beam and the second cross beam is provided with an insertion groove with an upward opening, and the insertion grooves at the four corners of the carbon-carbon frame are respectively inserted with a cylindrical graphite thermocouple fixing block. The number of the carbon frames is two, namely a first carbon frame 1 located above and a second carbon frame 2 located below, and the first carbon frame 1 is opposite to the second carbon frame 2 vertically. The first beam and the second beam can be inserted, namely, one beam is provided with a jack, the other beam is provided with a pin, and the pin is inserted into the jack, as shown in the figure. A stop may be provided on the prong to limit reverse withdrawal of the prong.
The number of the graphite support columns is at least four. That is, the centers of the four outer frames of the first carbon frame 1 are connected to the centers of the four outer frames of the second carbon frame 2 through one graphite support column, respectively. Preferably, the first carbon-carbon frame 1 is opposite to the second carbon-carbon frame 2 from top to bottom, and the number of the graphite supporting columns is at least five, wherein the bottom of one graphite supporting column is connected to the inserting groove in the center of the second carbon-carbon frame 2, the top of the graphite supporting column is connected to the inserting groove in the center of the first carbon-carbon frame 1, the graphite supporting column is used as a central supporting column, and a thermocouple fixing hole 5 is formed in the central supporting column so as to fix a thermocouple. Wherein, four graphite support columns 6 are respectively connected to the splicing grooves at the centers of the two first cross beams at the outermost side and the splicing grooves at the centers of the two second cross beams at the outermost side. There are 7 graphite support columns in fig. 1. The carbon frames of the graphite connecting column root are preferably fixedly connected.
The graphite thermocouple fixing block is provided with a blind hole 7, and a ceramic tube is inserted in the blind hole 7. The inner diameter of the blind hole 7 is preferably 6mm, and the ceramic tube inserted into the blind hole 7 is preferably a ceramic tube with an outer diameter of 6 mm. The four graphite thermocouple fixing block blind holes 7 on the first carbon-carbon frame 1 face to the center of the first carbon-carbon frame 1; the four blind holes of the graphite thermocouple fixing block on the second carbon-carbon frame 2 face to the center of the second carbon-carbon frame 2. Therefore, the testing thermocouple can completely reach the effective position of the effective heating area, and eutectic melting of the thermocouple can be avoided without continuously adjusting the angle. The graphite thermocouple fixing block is provided with a bolt hole 3 communicated with the blind hole 7, and a graphite nut is inserted into the bolt hole 3. The central axis of the bolt hole 3 is perpendicular to the central axis of the blind hole 7. So that the ceramic tube is fixed in the blind hole 7 by the graphite nut. The graphite thermocouple fixing block is cylindrical. Thereby reducing the bump with a smooth outer edge.
The on-site temperature measurement tool for the vacuum heat treatment furnace further comprises a thermocouple moving fixing block 4, and an insertion block which can be inserted into the insertion groove is arranged below the thermocouple moving fixing block 4. The thermocouple trend fixed block is provided with a blind hole. The blind hole can be internally inserted with a ceramic tube, the inner diameter of the blind hole is preferably 6mm, and the ceramic tube inserted in the blind hole is preferably a ceramic tube with the outer diameter of 6 mm. The thermocouples can be placed in the required areas and run to the fixed blocks, so that the thermocouples can be placed in all the areas, and eutectic melting caused by contact with graphite or CFC tools is avoided. The thermocouple trend fixed block is square form, and the grafting piece is cylindricly to use the central axis of grafting piece as the center of rotation, rotatable in the inserting groove. Thereby adjusting the position of the ceramic tube inserted thereon.
The basic principles and main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The on-site temperature measurement tool of the vacuum heat treatment furnace comprises a carbon-carbon frame positioned in the horizontal direction and a graphite support column positioned in the vertical direction; the carbon frame structure is characterized in that the number of the carbon frames is two, namely a first carbon frame positioned above and a second carbon frame positioned below, and the centers of four outer frames of the first carbon frame are connected to the centers of four outer frames of the second carbon frame through one graphite support column;
four corners of the first carbon-carbon frame and four corners of the second carbon-carbon frame are respectively fixed with a graphite thermocouple fixing block, the graphite thermocouple fixing block is provided with a blind hole, and a ceramic tube is inserted into the blind hole;
the blind holes of the four graphite thermocouple fixing blocks on the first carbon frame face to the center of the first carbon frame, and the blind holes of the four graphite thermocouple fixing blocks on the second carbon frame face to the center of the second carbon frame.
2. The on-site temperature measurement tool for the vacuum heat treatment furnace according to claim 1, wherein the graphite thermocouple fixing block is cylindrical.
3. The on-site temperature measurement tool for the vacuum heat treatment furnace according to claim 1, wherein a bolt hole communicated with the blind hole is formed in the graphite thermocouple fixing block, and a graphite nut is inserted into the bolt hole.
4. The on-site temperature measurement tool for the vacuum heat treatment furnace according to claim 3, wherein the central axis of the bolt hole is perpendicular to the central axis of the blind hole.
5. The on-site temperature measurement tool for the vacuum heat treatment furnace according to claim 1, wherein the carbon-carbon frame is formed by staggering odd first beams which are arranged at equal intervals and extend left and right, and odd second beams which are arranged at equal intervals and extend front and back, and at least three first beams and at least three second beams are arranged;
inserting grooves with upward openings are formed at the staggered positions of the first cross beam and the second cross beam, and the inserting grooves at the four corners of the carbon-carbon frame are respectively inserted with one graphite thermocouple fixing block;
and taking the two first cross beams positioned at the outermost side and the two second cross beams positioned at the outermost side as outer frames of the carbon-carbon frame.
6. The on-site temperature measurement tool for the vacuum heat treatment furnace according to claim 5, wherein the number of the first beams is three, and the number of the second beams is four.
7. The on-site temperature measurement tool for the vacuum heat treatment furnace according to claim 5, wherein the first carbon-carbon frame and the second carbon-carbon frame are opposite to each other in the vertical direction, and the number of the graphite support columns is at least five, wherein the bottom of one graphite support column is connected to the insertion groove in the center of the second carbon-carbon frame, the top of the graphite support column is connected to the insertion groove in the center of the first carbon-carbon frame, the graphite support column is used as a central support column, and a thermocouple fixing hole is formed in the central support column; the four graphite support columns are respectively connected to the splicing grooves in the centers of the two first cross beams on the outermost side and the splicing grooves in the centers of the two second cross beams on the outermost side.
8. The on-site temperature measurement tool for the vacuum heat treatment furnace according to claim 5, further comprising a thermocouple orientation fixing block, wherein an insertion block which can be inserted into the insertion groove is arranged below the thermocouple orientation fixing block, a blind hole is formed in the thermocouple orientation fixing block, and a ceramic tube is inserted into the blind hole.
9. The tool for measuring the temperature of the vacuum heat treatment furnace in situ according to claim 8, wherein the thermocouple trend fixing block is square.
10. The on-site temperature measurement tool for the vacuum heat treatment furnace according to claim 9, wherein the insertion block is cylindrical and rotatable in the insertion groove with a central axis of the insertion block as a rotation center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222451538.7U CN218566705U (en) | 2022-09-16 | 2022-09-16 | Temperature on-site measuring tool for vacuum heat treatment furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222451538.7U CN218566705U (en) | 2022-09-16 | 2022-09-16 | Temperature on-site measuring tool for vacuum heat treatment furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218566705U true CN218566705U (en) | 2023-03-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222451538.7U Active CN218566705U (en) | 2022-09-16 | 2022-09-16 | Temperature on-site measuring tool for vacuum heat treatment furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218566705U (en) |
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2022
- 2022-09-16 CN CN202222451538.7U patent/CN218566705U/en active Active
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