CN215639825U - Automatic thermocouple plugging and unplugging system - Google Patents
Automatic thermocouple plugging and unplugging system Download PDFInfo
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- CN215639825U CN215639825U CN202121340865.4U CN202121340865U CN215639825U CN 215639825 U CN215639825 U CN 215639825U CN 202121340865 U CN202121340865 U CN 202121340865U CN 215639825 U CN215639825 U CN 215639825U
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- thermocouple
- piston rod
- plugging
- vacuum furnace
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Abstract
The utility model relates to a thermocouple automatic plugging system, which comprises: a sealing seat arranged on a furnace shell of the vacuum furnace; the cylinder is fixed on the sealing seat, a communicating channel through which a lead of a thermocouple passes is formed in the hollow interior of a piston rod of the cylinder, and the piston rod penetrates through the sealing seat and extends into the vacuum furnace; the fixing piece is fixedly connected with the piston rod and the thermocouple, and the piston rod is stretched through the air cylinder to drive the thermocouple to move, so that the thermocouple is inserted into or pulled out of a hot area of the vacuum furnace. The automatic plugging system effectively solves the problem of inconvenient plugging and unplugging of the thermocouple, automatically plugs or unpluggs the thermocouple, can ensure the air tightness of the vacuum furnace in the plugging and unplugging process, and leads the thermocouple signal out of the furnace.
Description
Technical Field
The utility model relates to the field of high-temperature furnace processing, in particular to an automatic thermocouple plugging and unplugging system.
Background
At present, a thermocouple for a vacuum furnace, such as an S-shaped direct-insertion temperature uniformity detection system, is provided with a flange on a furnace body, then is sealed by a flange blind plate, and finally a sleeve joint is welded on the flange blind plate to insert the thermocouple, but because the furnace temperature of some high-temperature furnaces is greater than 1600 ℃, the limit of an S couple is exceeded, the S couple needs to be withdrawn from a hot zone and inserted into a B couple, and if a manual plugging mode is adopted, the thermocouple is very inconvenient, and the potential safety hazard is large.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provide an automatic thermocouple plugging and unplugging system, which solves the problem of inconvenient plugging and unplugging of a thermocouple, automatically plugs or unpluggs the thermocouple through the automatic plugging and unplugging system, can ensure the air tightness of a vacuum furnace in the plugging and unplugging process, and leads thermocouple signals out of the furnace.
The technical scheme for realizing the purpose is as follows:
the utility model provides an automatic thermocouple plugging system which is arranged in a vacuum furnace and comprises:
a sealing seat arranged on a furnace shell of the vacuum furnace;
the cylinder is fixed on the sealing seat, a communicating channel through which a lead of a thermocouple passes is formed in the hollow interior of a piston rod of the cylinder, and the piston rod penetrates through the sealing seat and extends into the vacuum furnace;
the fixing piece is fixedly connected with the piston rod and the thermocouple, and the piston rod is stretched through the air cylinder to drive the thermocouple to move, so that the thermocouple is inserted into or pulled out of a hot area of the vacuum furnace.
The utility model provides an automatic thermocouple plugging and unplugging system, which is characterized in that a piston rod is controlled to stretch by an air cylinder so as to drive a thermocouple to move, so that the thermocouple is plugged into or pulled out of a hot area of a vacuum furnace, a sealing seat can prevent hot air of the vacuum furnace from leaking outwards, a connecting channel in the piston rod can enable a lead of the thermocouple to extend outwards of the vacuum furnace, the air tightness of the vacuum furnace can be ensured, signals of the thermocouple can be led out of the vacuum furnace, the problem of inconvenience in plugging and unplugging of the thermocouple is solved, the thermocouple is automatically plugged or pulled out by the automatic plugging and unplugging system, the air tightness of the vacuum furnace can be ensured in the plugging and unplugging process, and thermocouple signals are led out of the vacuum furnace.
The automatic thermocouple plugging and unplugging system is further improved in that the automatic thermocouple plugging and unplugging system further comprises a fixing pipe and a fixing plate, wherein the fixing pipe is fixed on the furnace shell and communicated with the inside of the vacuum furnace, the fixing plate is fixedly sleeved on the end part, located on the outer side of the vacuum furnace, of the fixing pipe, the sealing seat is fixedly connected with the fixing plate, and the piston rod penetrates through the fixing pipe.
The automatic thermocouple plugging and unplugging system is further improved in that the sealing seat comprises a connecting plate fixed on the fixing plate and a sealing pipe penetrating through the connecting plate and communicated with the fixing pipe, the sealing pipe is sleeved on the piston rod, and one end, far away from the connecting plate, of the sealing pipe is fixedly connected with the end part corresponding to the air cylinder.
The thermocouple automatic plugging system is further improved in that the thermocouple automatic plugging system further comprises a positioning plate fixed at the end part of the cylinder close to the vacuum furnace, and the corresponding end part of the sealing tube is fixedly connected with the positioning plate.
The thermocouple automatic plugging system is further improved in that the thermocouple automatic plugging system also comprises a through hole which corresponds to the sealing tube and is arranged on the positioning plate, and the inner wall of the through hole extends in the direction close to the piston rod to form an annular bulge;
the lateral part of the sealing tube is provided with a groove corresponding to the bulge, and the bulge is clamped by the groove, so that the sealing tube is fixedly connected with the positioning plate.
The automatic thermocouple plugging and unplugging system is further improved in that the positioning plate is fixedly connected with the connecting plate through the split bolts.
The automatic thermocouple plugging and unplugging system is further improved in that the fixing piece comprises a connecting sleeve sleeved on the piston rod and the thermocouple, a first bolt corresponding to the piston rod and screwed in the connecting sleeve, and a second bolt corresponding to the thermocouple and screwed in the connecting sleeve;
the first bolt and the second bolt are screwed to enable the first bolt and the second bolt to respectively abut against the piston rod and the thermocouple, and therefore the connecting sleeve is fixedly sleeved on the piston rod and the thermocouple.
The automatic thermocouple plugging and unplugging system is further improved in that the automatic thermocouple plugging and unplugging system further comprises sealant plugged at one end, away from the vacuum furnace, of the communication channel, and the lead penetrates through the sealant and extends outwards.
The thermocouple automatic plugging system is further improved in that the cylinder is in control connection with the electromagnetic valve.
Drawings
Fig. 1 is a schematic drawing showing the pulled-out state of the automatic thermocouple plugging and unplugging system according to the present invention.
FIG. 2 is a schematic diagram illustrating an insertion state of the automatic thermocouple plugging and unplugging system according to the present invention.
FIG. 3 is an enlarged view of the sealing seat portion of the automatic thermocouple plugging and unplugging system according to the present invention.
Fig. 4 is an enlarged schematic view of a portion a in fig. 3.
Detailed Description
The utility model is further described with reference to the following figures and specific examples.
Referring to fig. 1, the utility model provides an automatic thermocouple plugging and unplugging system, wherein a piston rod is controlled to stretch by an air cylinder to drive a thermocouple to move, so that the thermocouple is plugged into or unplugged from a hot zone of a vacuum furnace, a sealing seat can prevent hot air of the vacuum furnace from leaking outwards, a connecting channel in the piston rod can enable a lead of the thermocouple to extend outwards of the vacuum furnace, the air tightness of the vacuum furnace can be ensured, signals of the thermocouple can be led out of the vacuum furnace, the problem of inconvenience in plugging and unplugging of the thermocouple is solved, the thermocouple can be automatically plugged or unplugged by the automatic plugging and unplugging system, the air tightness of the vacuum furnace can be ensured in the plugging and unplugging process, and thermocouple signals are led out of the vacuum furnace. The automatic thermocouple plugging and unplugging system of the utility model is explained below with reference to the accompanying drawings.
Referring to fig. 1, fig. 1 is a schematic drawing illustrating a pulled-out state of the automatic thermocouple plugging and unplugging system according to the present invention. The automatic thermocouple plugging and unplugging system of the present invention will be described with reference to fig. 1.
As shown in fig. 1 and 2, the automatic thermocouple plugging system of the present invention is installed in a vacuum furnace, and includes:
a sealing seat 11 mounted on a furnace shell 22 of the vacuum furnace;
a cylinder 12 fixed on the sealing seat 11, wherein a communication channel 1221 for the lead wire 211 of the thermocouple 21 to pass through is formed in the hollow interior of the piston rod 122 of the cylinder 12, and the piston rod 122 penetrates through the sealing seat 11 and extends to the interior of the vacuum furnace;
the fixing member 13 fixedly connecting the piston rod 122 and the thermocouple 21 is extended and contracted by the cylinder 12 to move the thermocouple 21, so that the thermocouple 21 is inserted into or pulled out of the hot zone of the vacuum furnace.
Specifically, the vacuum furnace further comprises a sealant 1222 sealing one end of the communication channel 1221 away from the vacuum furnace, the wire 211 penetrates through the sealant 1222 and extends outwards, and the sealant 1222 can prevent heat in the vacuum furnace from leaking outwards from the communication channel 1221.
Specifically, the cylinder 12 is in control connection with a solenoid valve.
As a preferred embodiment of the present invention, as shown in fig. 3, the present invention further includes a fixing tube 14 fixed to the furnace shell 22 and communicating with the inside of the vacuum furnace, and a fixing plate 141 fixed to the end of the fixing tube 14 located outside the vacuum furnace, wherein the sealing seat 11 is fixedly connected to the fixing plate 141, and the piston rod 122 is inserted through the fixing tube 14.
Specifically, the sealing seat 11 includes a connecting plate 111 fixed to the fixing plate 141 and a sealing tube 112 penetrating the connecting plate 111 and communicating with the fixing tube 14, the sealing tube 112 is sleeved on the piston rod 122, and one end of the sealing tube 112 far away from the connecting plate 111 is fixedly connected to the end corresponding to the cylinder 12.
Furthermore, the vacuum furnace further comprises a positioning plate 121 fixed at the end of the cylinder 12 close to the vacuum furnace, and the corresponding end of the sealing tube 112 is fixedly connected with the positioning plate 121.
Specifically, as shown in fig. 4, the sealing device further includes a through hole 1211 corresponding to the sealing tube 112 and opened in the positioning plate 121, and an inner wall of the through hole 1211 extends in a direction close to the piston rod 122 to form an annular protrusion 1212;
the side of the sealing tube 112 is formed with a groove corresponding to the protrusion, and the protrusion 1212 is caught by the groove, so that the sealing tube 112 is fixedly connected with the positioning plate 141, and this way can prevent the heat of the vacuum furnace from leaking from the interface between the sealing tube 112 and the piston rod 122.
Preferably, the positioning plate 121 and the connecting plate 111 are fixedly connected by a split bolt.
Further, the fixing member 13 includes a connecting sleeve 131 sleeved on the piston rod 122 and the thermocouple 21, a first bolt 132 corresponding to the piston rod 122 and screwed to the connecting sleeve 131, and a second bolt 133 corresponding to the thermocouple 21 and screwed to the connecting sleeve 131;
the connection sleeve 131 is fixedly secured to the piston rod 122 and the thermocouple 21 by screwing the first bolt 132 and the second bolt 133 so that the first bolt 132 and the second bolt 133 abut against the piston rod 122 and the thermocouple 21, respectively.
The specific implementation method of the utility model is as follows:
a hot zone heat insulation layer 23 is arranged in the furnace shell 22, a hot zone is arranged inside the hot zone heat insulation layer 23, a hole is formed in the position of the hot zone heat insulation layer 23 corresponding to the thermocouple 21, a fixing tube 14 is arranged in the position of the furnace shell 22 corresponding to the hole, the connecting plate 111 is fixedly connected with the fixing plate 141, the positioning plate 121 is fixedly connected with the connecting plate 111, the groove of the sealing tube 112 is clamped in the boss 1212 of the positioning plate 121, the cylinder 12 is fixed on the positioning plate 121, and the piston rod 122 penetrates through the sealing tube 112 and the fixing tube 14;
the piston rod 122 and the thermocouple 21 are both arranged in the connecting sleeve 131 in a penetrating manner, and the first bolt 132 and the second bolt 133 are screwed so that the first bolt 132 and the second bolt 133 respectively abut against the piston rod 122 and the thermocouple 21, so that the piston rod 122 and the thermocouple 21 are both fixedly arranged in the connecting sleeve 131, and the piston rod 122 and the thermocouple 21 are fixedly connected;
the lead wire 211 of the thermocouple 21 is arranged in the communication passage 1221 in a penetrating mode, the sealing glue 1222 is sealed at the end, away from the vacuum furnace, of the communication passage 1221, and the lead wire 211 penetrates through the sealing glue 1222 and extends outwards;
the cylinder 12 is driven by the electromagnetic valve, so that the piston rod 122 extends and retracts, the thermocouple 21 is driven to move, the thermocouple 21 extends into a hot zone or is pulled out of the hot zone from a hole of the hot zone isolation layer 23, and the automatic plugging and unplugging of the thermocouple 21 are realized.
While the present invention has been described in detail and with reference to the embodiments thereof as illustrated in the accompanying drawings, it will be apparent to one skilled in the art that various changes and modifications can be made therein. Therefore, certain details of the embodiments are not to be interpreted as limiting, and the scope of the utility model is to be determined by the appended claims.
Claims (9)
1. The utility model provides an automatic plug system of thermocouple, installs in the vacuum furnace which characterized in that includes:
the sealing seat is arranged on a furnace shell of the vacuum furnace;
the cylinder is fixed on the sealing seat, a communication channel for the lead of the thermocouple to pass through is formed in the hollow interior of a piston rod of the cylinder, and the piston rod penetrates through the sealing seat and extends into the vacuum furnace; and
the fixing piece is fixedly connected with the piston rod and the thermocouple, and the piston rod is stretched and contracted through the air cylinder to drive the thermocouple to move, so that the thermocouple is inserted into or pulled out of a hot area of the vacuum furnace.
2. The automatic thermocouple plugging and unplugging system according to claim 1, further comprising a fixing tube fixed on the furnace shell and communicated with the inside of the vacuum furnace and a fixing plate fixedly sleeved on the end portion of the fixing tube positioned outside the vacuum furnace, wherein the sealing seat is fixedly connected with the fixing plate, and the piston rod penetrates through the fixing tube.
3. The automatic thermocouple plugging and unplugging system according to claim 2, wherein the sealing seat comprises a connecting plate fixed on the fixing plate and a sealing tube penetrating through the connecting plate and communicated with the fixing tube, the sealing tube is sleeved on the piston rod, and one end of the sealing tube, which is far away from the connecting plate, is fixedly connected with the end corresponding to the cylinder.
4. The automatic thermocouple plugging and unplugging system according to claim 3, further comprising a positioning plate fixed to an end portion of the cylinder close to the vacuum furnace, wherein a corresponding end portion of the sealing tube is fixedly connected with the positioning plate.
5. The automatic thermocouple plugging and unplugging system according to claim 4, further comprising a through hole corresponding to the sealing tube and formed in the positioning plate, wherein the inner wall of the through hole extends in a direction close to the piston rod to form an annular protrusion;
the side part of the sealing tube is provided with a groove corresponding to the bulge, and the bulge is clamped by the groove, so that the sealing tube is fixedly connected with the positioning plate.
6. The automatic thermocouple plugging and unplugging system according to claim 4, wherein the positioning plate is fixedly connected with the connecting plate through a split bolt.
7. The automatic thermocouple plugging and unplugging system according to claim 1, wherein the fixing member comprises a connecting sleeve sleeved on the piston rod and the thermocouple, a first bolt corresponding to the piston rod and screwed to the connecting sleeve, and a second bolt corresponding to the thermocouple and screwed to the connecting sleeve;
the first bolt and the second bolt are screwed so that the first bolt and the second bolt respectively abut against the piston rod and the thermocouple, and the connecting sleeve is fixedly sleeved on the piston rod and the thermocouple.
8. The automatic thermocouple plugging system according to claim 1, further comprising a sealant sealed at an end of the communication channel remote from the vacuum furnace, wherein the lead wire passes through the sealant and extends outward.
9. The automatic thermocouple plugging and unplugging system according to claim 1, wherein the cylinder is in control connection with a solenoid valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121340865.4U CN215639825U (en) | 2021-06-16 | 2021-06-16 | Automatic thermocouple plugging and unplugging system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121340865.4U CN215639825U (en) | 2021-06-16 | 2021-06-16 | Automatic thermocouple plugging and unplugging system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215639825U true CN215639825U (en) | 2022-01-25 |
Family
ID=79943671
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121340865.4U Active CN215639825U (en) | 2021-06-16 | 2021-06-16 | Automatic thermocouple plugging and unplugging system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215639825U (en) |
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2021
- 2021-06-16 CN CN202121340865.4U patent/CN215639825U/en active Active
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