CN210651850U - High-temperature vacuum connection sealing device - Google Patents
High-temperature vacuum connection sealing device Download PDFInfo
- Publication number
- CN210651850U CN210651850U CN201921504230.6U CN201921504230U CN210651850U CN 210651850 U CN210651850 U CN 210651850U CN 201921504230 U CN201921504230 U CN 201921504230U CN 210651850 U CN210651850 U CN 210651850U
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- plate
- ceramic tube
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- temperature
- vacuum
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- 238000007789 sealing Methods 0.000 title claims abstract description 18
- 239000000919 ceramic Substances 0.000 claims abstract description 41
- 230000007246 mechanism Effects 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000001179 sorption measurement Methods 0.000 abstract description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 6
- 229910002804 graphite Inorganic materials 0.000 description 6
- 239000010439 graphite Substances 0.000 description 6
- 230000035699 permeability Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000013003 hot bending Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The embodiment of the utility model discloses a high-temperature vacuum linking and sealing device, which comprises a ceramic tube, a high-temperature thermal cavity and a bearing bedplate arranged in the high-temperature thermal cavity, wherein the bearing bedplate is provided with a through hole, and the lower half part of the through hole is a taper shape which becomes wider from top to bottom; the ceramic tube is hollow inside and is arranged below the bearing table plate, the top end of the ceramic tube is positioned right below the through hole, the top end of the ceramic tube is in a conical shape matched with the lower half part of the through hole, and the conical surface at the top end of the ceramic tube is spaced from the inner wall of the lower half part of the through hole by a preset distance. The utility model provides promote sealing performance under the high temperature, satisfied mould vacuum adsorption negative pressure fashioned technology demand, and then improved the stability of heating, the spoilage that causes the product when reducing the mould pressurization.
Description
Technical Field
The utility model relates to a hot bending forming technology field especially relates to a high temperature vacuum links up sealing device.
Background
The traditional technology is a mode of conducting heat to the die and the product through the heating plate when the die is heated, when conducting heat to the two articles, the heating plate is different from the die and the product, and the two articles are separated by two materials, so that the heat conduction is uneven, the heating temperature of the product is difficult to control, and the product is easily damaged due to the pressure effect when the product is subjected to pressure forming. In the prior art, most of the products are adsorbed by a graphite mould in vacuum, and heat is directly conducted on the products through a high-temperature heat cavity (inert gas is filled in the high-temperature heat cavity) to control the heating temperature of the products; meanwhile, the negative pressure forming is carried out by utilizing the air permeability characteristic of the graphite mould to improve the production efficiency and the product yield. In the production process, bear graphite mold's the bedplate of bearing need with vacuum apparatus intercommunication and separation, current sealing method adopts the plastic to seal mostly, however, because the temperature in the hot chamber is up to more than 1000, under high temperature, the plastic can melt the deformation, can't satisfy the sealed requirement under the high temperature, hardly finds corresponding sealing member at the junction of vacuum suction inlet and carries out the mouth of pipe sealed.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a technical problem that will solve lies in, provides a high temperature vacuum links up sealing device to make the sealed requirement under the high temperature.
In order to solve the technical problem, an embodiment of the present invention provides a high temperature vacuum joining sealing device, which includes a high temperature thermal cavity, a bearing platen disposed in the high temperature thermal cavity, and a ceramic tube, wherein a through hole is disposed on the bearing platen, and a lower half portion of the through hole is tapered, which becomes wider from top to bottom; the ceramic tube is hollow inside and is arranged below the bearing table plate, the top end of the ceramic tube is positioned right below the through hole, the top end of the ceramic tube is in a conical shape matched with the lower half part of the through hole, and the conical surface at the top end of the ceramic tube is spaced from the inner wall of the lower half part of the through hole by a preset distance.
Further, the preset distance satisfies the following formula:
S=T*L*C+q；
wherein S is a preset distance, T is the temperature in the high-temperature thermal cavity, L is the length of the ceramic tube, C is the expansion coefficient of the ceramic tube, and q is an interference distance.
Further, the bearing bedplate is made of high-temperature resistant materials.
The ceramic tube heat exchanger further comprises a moving mechanism, wherein the moving mechanism comprises an upper plate, a moving plate, a lower plate, a connecting pipe, an axial rod and a Z-axis sliding table, the upper plate is arranged at the bottom of the high-temperature hot cavity, and the lower end of the ceramic tube movably penetrates through the high-temperature hot cavity and the upper plate; the lower plate is fixedly connected with the upper plate through a shaft rod; the movable plate is positioned between the upper plate and the lower plate and movably sleeved on the shaft rod; a connecting seat is arranged below the movable plate, the tail part of the connecting seat movably penetrates through the lower plate, a vacuum pipe for connecting a vacuum device is arranged at the bottom end of the connecting seat, and the connecting pipe is arranged on the movable plate; the top end of the connecting pipe is connected with the ceramic pipe and communicated with the vacuum piping and the ceramic pipe; the Z-axis sliding table is arranged on one side of the lower plate, and the top end of the Z-axis sliding table is connected with the movable plate to adjust the upper position and the lower position of the movable plate.
Furthermore, a corrugated pipe is sleeved outside the connecting pipe.
Furthermore, a screw rod is arranged on the other side of the lower plate, and the upper part of the screw rod is abutted against the lower part of the moving plate.
The utility model has the advantages that: the utility model provides promote sealing performance under the high temperature, satisfied mould vacuum adsorption negative pressure fashioned technology demand, and then improved the stability of heating, the spoilage that causes the product when reducing the mould pressurization.
Drawings
Fig. 1 is a side view of a high temperature vacuum splice sealing device in accordance with an embodiment of the present invention.
Fig. 2 is a sectional view taken along line B in fig. 1.
Fig. 3 is an enlarged view at C in fig. 2.
Fig. 4 is a perspective view of an angle of a high temperature vacuum splice sealing device in accordance with an embodiment of the present invention.
Fig. 5 is a perspective view of another angle of the high temperature vacuum splice sealing device in accordance with an embodiment of the present invention.
Detailed Description
It should be noted that, in the present application, the embodiments and features of the embodiments may be combined with each other without conflict, and the present invention is further described in detail with reference to the accompanying drawings and specific embodiments.
In the embodiment of the present invention, if there is directional indication (such as upper, lower, left, right, front, and rear … …) only for explaining the relative position relationship between the components and the motion situation under a certain posture (as shown in the drawing), if the certain posture is changed, the directional indication is changed accordingly.
In addition, the descriptions of the first, second, etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying any relative importance or implicit indication of the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.
Referring to fig. 1 to 5, a high temperature vacuum joining and sealing device according to an embodiment of the present invention includes a ceramic tube 2, a high temperature thermal chamber 1, and a bearing platen 3 disposed in the high temperature thermal chamber 1.
The bearing bedplate 3 is used for placing a graphite mould, has a flat surface, and is provided with baffles at two sides and also is a passage of the mould. The middle of the bearing bedplate 3 is provided with a through hole 14, and the lower half part of the through hole 14 is in a tapered shape which becomes wider from top to bottom.
As an embodiment, the preset distance satisfies the following equation:
S=T*L*C+q；
wherein S is a preset distance, T is the temperature in the high-temperature thermal cavity 1, L is the length of the ceramic tube 2, C is the expansion coefficient of the ceramic tube 2, and q is an interference distance. q ranges from 0.01mm to 1.5 mm.
In one embodiment, the bearing platen 3 is made of a high temperature resistant material, preferably a silicon carbide material.
In one embodiment, the high temperature vacuum splice sealing device further comprises a moving mechanism. The moving mechanism is preferably machined from aluminum alloy. The moving mechanism comprises an upper plate 4, a moving plate 5, a lower plate 6, a connecting pipe 7, an axle rod 8 and a Z-axis sliding table 9, the upper plate 4 is arranged at the bottom of the high-temperature hot cavity 1, and the lower end of the ceramic pipe 2 movably penetrates through the high-temperature hot cavity 1 and the upper plate 4. The lower plate 6 is fixedly connected with the upper plate 4 through a shaft rod 8. The optimized number of the shaft rods 8 is 3, 3 corresponding bush holes are formed in the moving plate 5, bushes 15 are installed in the bush holes, the shaft rods 8 penetrate through the bushes 15 respectively, and the moving plate 5 is located between the upper plate 4 and the lower plate 6 and movably sleeved on the shaft rods 8. A connecting seat 10 is arranged below the moving plate 5, the tail part of the connecting seat 10 movably penetrates through the lower plate 6, a vacuum pipe 11 for externally connecting a vacuum device is arranged at the bottom end of the connecting seat 10, and a connecting pipe 7 is arranged on the moving plate 5. The connecting pipe 7 is hollow in the pipe, and the ceramic pipe 2 is connected to the tip of the connecting pipe 7 to communicate the vacuum piping 11 and the ceramic pipe 2. The Z-axis sliding table 9 is arranged on one side of the lower plate 6, the top end of the Z-axis sliding table 9 is connected with the moving plate 5, and the up-down position of the moving plate 5 is adjusted. The Z-axis sliding table 9 adjusts the moving plate 5 to lift together with the ceramic tube 2 and the connecting tube 7 above the moving plate 5.
In one embodiment, the connecting tube 7 is further sleeved with a corrugated tube 12. The bellows 12 is used to prevent scalding.
In one embodiment, a screw 13 is further disposed on the other side of the lower plate 6, and the upper side of the screw 13 abuts against the lower side of the moving plate 5. Preferably, there are 2 screws 13 to prevent the moving plate 5 from tilting and sliding.
The utility model discloses a theory of operation does: when the ceramic tube support works, the cone at the upper end of the ceramic tube 2 of the utility model is aligned with the cone of the through hole 14 in the middle of the bearing bedplate 3; after the distance between the two is adjusted, under high-temperature operation, the conical surfaces of the two are attached and sealed by the principle of expansion with heat and contraction with cold of the material to form a pipeline passage; when the graphite mold (the characteristics of graphite, such as high temperature resistance, high strength, corrosion resistance, good heat conductivity, low permeability, plasticity, air permeability and the like) is pushed to the upper part of the through hole, the raw material of the product in the inner cavity of the mold is subjected to adsorption molding by vacuum suction.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A high-temperature vacuum joining sealing device comprises a high-temperature hot cavity and a bearing bedplate arranged in the high-temperature hot cavity, and is characterized by further comprising a ceramic tube, wherein a through hole is formed in the bearing bedplate, and the lower half part of the through hole is in a tapered shape which becomes wider from top to bottom; the ceramic tube is hollow inside and is arranged below the bearing table plate, the top end of the ceramic tube is positioned right below the through hole, the top end of the ceramic tube is in a conical shape matched with the lower half part of the through hole, and the conical surface at the top end of the ceramic tube is spaced from the inner wall of the lower half part of the through hole by a preset distance.
2. The high temperature vacuum splice seal arrangement of claim 1 wherein said predetermined distance satisfies the following equation:
S=T*L*C+q；
wherein S is a preset distance, T is the temperature in the high-temperature thermal cavity, L is the length of the ceramic tube, C is the expansion coefficient of the ceramic tube, and q is an interference distance.
3. The high temperature vacuum splice seal arrangement of claim 1 wherein the carrier platen is formed of a high temperature resistant material.
4. The high-temperature vacuum joint sealing device according to claim 1, further comprising a moving mechanism, wherein the moving mechanism comprises an upper plate, a moving plate, a lower plate, a connecting pipe, a shaft rod and a Z-axis sliding table, the upper plate is arranged at the bottom of the high-temperature thermal cavity, and the lower end of the ceramic pipe movably penetrates through the high-temperature thermal cavity and the upper plate; the lower plate is fixedly connected with the upper plate through a shaft rod; the movable plate is positioned between the upper plate and the lower plate and movably sleeved on the shaft rod; a connecting seat is arranged below the movable plate, the tail part of the connecting seat movably penetrates through the lower plate, a vacuum pipe for connecting a vacuum device is arranged at the bottom end of the connecting seat, and the connecting pipe is arranged on the movable plate; the top end of the connecting pipe is connected with the ceramic pipe and communicated with the vacuum piping and the ceramic pipe; the Z-axis sliding table is arranged on one side of the lower plate, and the top end of the Z-axis sliding table is connected with the movable plate to adjust the upper position and the lower position of the movable plate.
5. The high temperature vacuum splice seal arrangement of claim 4 wherein a bellows is further sleeved outside the connecting tube.
6. The high-temperature vacuum splice sealing device of claim 4 wherein the other side of the lower plate is further provided with a screw, the upper side of the screw abutting against the lower side of the moving plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921504230.6U CN210651850U (en) | 2019-09-10 | 2019-09-10 | High-temperature vacuum connection sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921504230.6U CN210651850U (en) | 2019-09-10 | 2019-09-10 | High-temperature vacuum connection sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210651850U true CN210651850U (en) | 2020-06-02 |
Family
ID=70841426
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921504230.6U Withdrawn - After Issue CN210651850U (en) | 2019-09-10 | 2019-09-10 | High-temperature vacuum connection sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210651850U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110480989A (en) * | 2019-09-10 | 2019-11-22 | 深圳赛贝尔自动化设备有限公司 | High-temperature vacuum is connected sealing device |
-
2019
- 2019-09-10 CN CN201921504230.6U patent/CN210651850U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110480989A (en) * | 2019-09-10 | 2019-11-22 | 深圳赛贝尔自动化设备有限公司 | High-temperature vacuum is connected sealing device |
| CN110480989B (en) * | 2019-09-10 | 2024-02-06 | 深圳赛贝尔自动化设备有限公司 | High-temperature vacuum connection sealing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210811 Address after: 231400 No.168, Dongyi Road, Tongcheng economic and Technological Development Zone, Anqing City, Anhui Province Patentee after: Anhui Saibei Intelligent Equipment Co.,Ltd. Address before: 518000 building A12, No. 12, Shishan Industrial Zone, Loucun community, Xinhu street, Guangming District, Shenzhen, Guangdong Province (there is a business place in the steel structure plant of shengyada Industrial Park, No. 443, Guangming Street, Guangming district to engage in production and business activities) Patentee before: SHENZHEN SAPPHIRE AUTOMATION EQUIPMENT Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20200602 Effective date of abandoning: 20240206 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20200602 Effective date of abandoning: 20240206 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |