CN220818546U - Vacuum hot pressing furnace - Google Patents
Vacuum hot pressing furnace Download PDFInfo
- Publication number
- CN220818546U CN220818546U CN202322453501.2U CN202322453501U CN220818546U CN 220818546 U CN220818546 U CN 220818546U CN 202322453501 U CN202322453501 U CN 202322453501U CN 220818546 U CN220818546 U CN 220818546U
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- vacuum
- stainless steel
- sealing plate
- plate
- sealing
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- 238000007731 hot pressing Methods 0.000 title abstract description 17
- 238000007789 sealing Methods 0.000 claims abstract description 80
- 238000010438 heat treatment Methods 0.000 claims abstract description 51
- 239000010935 stainless steel Substances 0.000 claims abstract description 42
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 42
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 17
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 17
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910052731 fluorine Inorganic materials 0.000 claims abstract description 7
- 239000011737 fluorine Substances 0.000 claims abstract description 7
- 238000001816 cooling Methods 0.000 claims description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 23
- 239000000498 cooling water Substances 0.000 claims description 17
- 239000000919 ceramic Substances 0.000 claims description 15
- 238000000605 extraction Methods 0.000 claims description 8
- 238000002474 experimental method Methods 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 230000001681 protective effect Effects 0.000 claims description 4
- 230000005855 radiation Effects 0.000 claims description 4
- 229910000838 Al alloy Inorganic materials 0.000 claims description 2
- 230000006978 adaptation Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009489 vacuum treatment Methods 0.000 description 1
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Abstract
The utility model discloses a vacuum hot-pressing furnace, which relates to the technical field of vacuum heating and comprises an aluminum profile support, a heating plate, sealing equipment and air inlet and outlet equipment, wherein an accommodating space is formed in the aluminum profile support, a sealing plate is arranged at the top of the aluminum profile support, a circular groove is formed in the outer side of the circumference of the upper surface of the sealing plate, and the heating plate is arranged on the sealing plate and used for heating elements; the sealing device comprises a stainless steel cover, a high-temperature resistant fluorine rubber ring is plugged into a circular groove on the surface of the sealing plate, and the lower edge of the stainless steel cover is placed in the circular groove to press the sealing ring; comprises two vacuum flanges oppositely arranged at the bottom of a sealing plate. According to the utility model, the heating plate for heating is placed in the vacuum cavity, so that the heating and vacuumizing can be synchronously performed, the time is saved, the simple operation mode is more suitable for experimental processes of small elements, and the operation flow is simplified.
Description
Technical Field
The utility model relates to the technical field of vacuum heating, in particular to a vacuum hot pressing furnace.
Background
In the prior art, an operator puts an element to be heated into a heating furnace for heating, and puts the element into vacuum equipment for vacuum treatment after heating is finished, so that the experiment purpose is realized.
For parts of smaller volume, especially in small numbers, the use of this device is costly and inconvenient when high-temperature vacuum tests are carried out.
When the experiment is carried out on the small components, the operation is more complicated, and the use flow is more.
Disclosure of utility model
The utility model aims to provide a vacuum hot pressing furnace, which solves the problems in the prior art, simplifies heating into square heating plates which can be heated to 600 ℃ and are placed together with vacuum equipment, so that the occupied area of the equipment is greatly reduced, the use cost is reduced, and the vacuum hot pressing furnace is more suitable for vacuum heating treatment of small parts.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a vacuum hot-pressing furnace comprises an aluminum section support, a heating plate, sealing equipment and air inlet and outlet equipment,
The inside of the aluminum profile bracket is provided with an accommodating space, the top of the aluminum profile bracket is provided with a sealing plate, the circumference outside of the upper surface of the sealing plate is provided with a circular groove,
The heating plate is placed on the sealing plate for heating the element;
The sealing device comprises a stainless steel cover, a high-temperature resistant fluorine rubber ring is plugged into a circular groove on the surface of the sealing plate, and the lower edge of the stainless steel cover is placed in the circular groove to press the sealing ring;
Including two relative vacuum flanges that set up in the closing plate bottom, one of them vacuum flange has hand valve and vacuum gauge through vacuum flange tee bend, the vacuum gauge is used for measuring the inside vacuum degree of stainless steel cover realizes the inside vacuum extraction of stainless steel cover and does not extract through opening and closing of hand valve, and another vacuum flange has two air pipe interfaces through vacuum flange tee bend connection, two air pipe interfaces are connected with needle valve and flow sensor respectively, and one of them air pipe interface is used for letting in protective gas and prevents the reaction when carrying out the high temperature experiment, and another air pipe interface is used for letting in the air and breaks the vacuum state in the cavity.
According to the vacuum hot pressing furnace provided by the utility model, the upper surface of the sealing plate is provided with the groove, and the groove is positioned at the inner side of the circular groove; and a ceramic gasket with high temperature resistance is arranged in the groove and is used for placing a heating plate.
The vacuum hot pressing furnace provided by the utility model further comprises a stainless steel reflecting sheet, wherein the stainless steel reflecting sheet is arranged on the sealing plate and is used for reflecting heat radiation generated by heating down the heating plate.
According to the vacuum hot pressing furnace provided by the utility model, the surface of the stainless steel reflecting sheet is a mirror surface, the middle part of the stainless steel reflecting sheet is provided with the round hole, the ceramic gasket is matched with the round hole in size, and the ceramic gasket is positioned in the round hole.
According to the vacuum hot pressing furnace provided by the utility model, the thermocouple sensor is arranged in the heating plate and is used for measuring the temperature of the heating plate, the thermocouple sensor is connected with the thermocouple electrode flange at the bottom of the sealing plate, the thermocouple electrode flange is connected with the temperature controller, and the temperature controller is arranged at the top of the aluminum profile bracket.
According to the vacuum hot pressing furnace provided by the utility model, at least two circles of water cooling pipes are welded in the circumferential direction of the outer side of the stainless steel cover and used for cooling the bottom of the stainless steel bell jar, and two ends of each water cooling pipe are respectively provided with a water cooling pipe inlet and a water cooling pipe outlet.
According to the vacuum hot pressing furnace provided by the utility model, the cooling water tank is welded along the circumference of the outer side of the bottom of the sealing plate, and the two ends of the cooling water tank are respectively provided with the cooling water inlet and the cooling water outlet for cooling the sealing plate.
According to the vacuum hot pressing furnace provided by the utility model, the accommodating space is internally provided with the water tank, and the water tank is internally provided with the water pump.
According to the vacuum hot pressing furnace provided by the utility model, the other end of the hand valve is connected to the vacuum pump through the vacuum bellows, so as to realize the vacuum environment in the stainless steel cover.
According to the vacuum hot pressing furnace provided by the utility model, the vacuum flange at the bottom of the sealing plate is a CF flange, and the sealing ring of the CF flange is a copper gasket.
Compared with the prior art, the utility model has the beneficial effects that:
1. the heating plate for heating is placed in the vacuum cavity, so that the heating and vacuumizing can be synchronously performed, and the time is saved.
2. The simple operation mode is more suitable for the experimental process of the small-sized element, and the operation flow is simplified.
3. Compared with other vacuum heating equipment, the volume is reduced greatly, the occupied area is reduced, and the manufacturing cost and the using cost are greatly reduced.
Drawings
FIG. 1 is an isometric view of an embodiment of the present utility model;
FIG. 2 is a cross-sectional view of an embodiment of the present utility model;
fig. 3 is a schematic structural view of a vacuum flange according to an embodiment of the present utility model.
In the figure: 1. the device comprises an aluminum profile bracket, 2, a sealing plate, 3, a heating plate, 4, a ceramic gasket, 5, a stainless steel reflector plate, 6, a thermocouple electrode flange, 7, a temperature controller, 8, a stainless steel cover, 9, a vacuum flange, 91, a vacuumizing flange, 92, a shielding gas flange, 10, a hand valve, 11, a vacuum gauge, 12, an air pipe interface, 13, a needle valve, 14, a flow sensor, 15, a water cooling pipe, 16, a water cooling pipe inlet, 17, a water cooling pipe outlet, 18, a cooling water tank, 19, a cooling water inlet, 20, a cooling water outlet, 21, a water tank, 22, a water pump, 23, a sealing plate mounting frame, 24, a vacuum air pump, 25 and a vacuum corrugated pipe.
Description of the embodiments
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, an embodiment of the present utility model provides a vacuum hot press furnace, which comprises an aluminum profile bracket 1, a heating plate 3, a sealing device and an air inlet and outlet device,
The aluminum profile bracket 1 is internally provided with an accommodating space, the top of the aluminum profile bracket 1 is provided with a sealing plate 2, the circumference outer side of the upper surface of the sealing plate 2 is provided with a circular groove, and specifically, the sealing plate 2 is positioned at the left side of the top of the aluminum profile bracket 1;
the heating plate 3 is placed on the sealing plate 2 for heating elements;
the shape and the size of the heating plate 3 can be changed according to actual conditions, and the heating plate can be changed into a heating furnace and a heating wire.
The sealing equipment comprises a stainless steel cover 8, a high-temperature resistant fluorine rubber ring is plugged into a circular groove on the surface of the sealing plate 2 and used for sealing, and the lower edge of the stainless steel cover 8 is placed in the circular groove to press the sealing ring;
The sealing means of the sealing device may also be realized by pressing the top or bottom of the sealing device by means of a mechanical structure.
The arrangement is that the sealing is realized by the self weight and the external air pressure when the vacuum is extracted;
With continued reference to fig. 2, the vacuum flange comprises two vacuum flanges 9 which are oppositely arranged at the bottom of the sealing plate, wherein one vacuum flange is connected with a hand valve 10 and a vacuum gauge 11 through a vacuum flange tee joint, the vacuum gauge 11 is used for measuring the vacuum degree inside the stainless steel cover 8, the vacuum extraction and non-extraction inside the stainless steel cover 8 are realized through the opening and closing of the hand valve 10, the other vacuum flange is connected with two air pipe interfaces 12 through the vacuum flange tee joint, the two air pipe interfaces 12 are respectively connected with a needle valve 13 and a flow sensor 14, one air pipe interface 12 is used for introducing protective gas to prevent reaction when high-temperature experiments are carried out, and the other air pipe interface 12 is used for introducing air to break the vacuum state in the cavity.
The upper surface of the sealing plate 2 is provided with a groove, and the groove is positioned at the inner side of the circular groove; a ceramic gasket 4 with high temperature resistance is arranged in the groove and used for placing the heating plate 3.
Further, the ceramic gasket 4 is round, and the round high-temperature-resistant ceramic gasket 4 is placed in the groove of the sealing plate 2;
In order to maximally utilize the temperature generated by the heating plate 2, the stainless steel reflecting sheet 5 is further included, and the stainless steel reflecting sheet 5 is mounted on the sealing plate 2 and is used for reflecting the heat radiation generated by the heating plate 3 heating downwards.
The surface of the stainless steel reflecting sheet 5 is a mirror surface, a round hole is formed in the middle of the stainless steel reflecting sheet 5, the ceramic gasket 4 is matched with the round hole in size, and the ceramic gasket 4 is located in the round hole.
The inside thermocouple sensor that is equipped with of hot plate 3 is used for measuring the hot plate temperature, thermocouple sensor with thermocouple electrode flange 6 of closing plate bottom is connected, thermocouple electrode flange 6 is connected with temperature controller 7, just temperature controller 7 sets up the top of aluminium alloy support 1. The heating electrode and the thermocouple electrode are connected to the thermocouple electrode flange through a vacuum flange welded at the tail end of a hole at the bottom of the sealing plate 2, and then connected with a temperature controller 7;
With continued reference to fig. 1, in order to achieve cooling of the bottom of the stainless steel bell jar, at least two circles of water-cooling pipes 15 are welded on the outer side of the stainless steel bell jar 8 in the circumferential direction, so as to cool the bottom of the stainless steel bell jar 8, and two ends of the water-cooling pipes 15 are respectively provided with a water-cooling pipe inlet 16 and a water-cooling pipe outlet 17. So set up, prevent that bottom temperature from too high influence fluorine rubber ring's performance and closing plate 2's temperature, avoid the influence to below components and parts.
With continued reference to fig. 3, in order to achieve cooling of the sealing plate 2, a cooling water tank 18 is welded along the circumference of the outer side of the bottom of the sealing plate 2, and two ends of the cooling water tank 18 are respectively provided with a cooling water inlet 19 and a cooling water outlet 20 for cooling the sealing plate 2, so as to avoid damage to bottom components and sealing rings;
With continued reference to fig. 1, a water reservoir 21 is provided in the receiving space, and a water pump 22 is provided in the water reservoir.
The other end of the hand valve 10 is connected to a vacuum air pump 24 through a vacuum bellows 25 for realizing a vacuum environment inside the stainless steel cover 8.
The vacuum flange 9 at the bottom of the sealing plate 2 is a CF flange, and the sealing ring of the CF flange is a copper gasket. The vacuum flange 9 comprises a vacuumizing flange 91 and a shielding gas flange 92;
the vacuum flanges 9 welded at the bottom of the sealing plate 2 are all CF flanges, and the sealing rings of the flanges are copper gaskets, so that the sealing performance is affected by the fact that the sealing plate 2 is damaged due to the fact that the temperature of the sealing plate is too high.
The working procedure of vacuum hot pressing is described in detail below:
When a worker uses the aluminum profile bracket, firstly, the sealing plate 2 is fixed on the aluminum profile bracket 1, and the circular high-temperature-resistant ceramic gasket 4 is placed in the groove of the sealing plate 2 and used for placing the heating plate 3; a stainless steel reflecting sheet 5 with a mirror surface and a round hole which can pass through a ceramic gasket is arranged on the sealing plate 2 and is used for reflecting heat radiation generated by the heating downward of the heating plate 3, so that the temperature generated by the heating plate 3 is utilized to the maximum extent; then the heating plate 3 is placed on the ceramic gasket 4, and a thermocouple sensor is arranged in the heating plate 3 and used for measuring the temperature of the heating plate. The heating electrode and the thermocouple electrode are connected to the thermocouple electrode flange 6 through a vacuum flange welded at the tail end of a hole at the bottom of the sealing plate, and then connected with the temperature controller 7; a high-temperature resistant fluorine rubber ring is plugged into a circular groove on the surface of the sealing plate 2 and used for sealing, a stainless steel cover 8 is placed on the sealing plate 2, the sealing ring is pressed, and sealing is realized through self weight and external air pressure during vacuum extraction; the stainless steel cover 8 is welded with two circles of water cooling pipes 15, which are used for cooling the bottom of the stainless steel bell cover 8, preventing the performance of the fluorine rubber ring and the temperature of the sealing plate 2 from being influenced by the overhigh bottom temperature and avoiding the influence on the components below.
Two vacuum flanges 9 are additionally welded at the bottom of the sealing plate 2, one vacuum flange is connected with a hand valve 10 and a vacuum gauge 11 in a three-way through the connected vacuum flanges, the vacuum gauge 11 is used for measuring the vacuum degree inside the stainless steel cover 8 at the moment, the other end of the hand valve 10 is connected with a vacuum bellows 25, the vacuum bellows is connected to a vacuum air pump 24 for realizing vacuum environment, and the vacuum extraction and non-extraction of the inside are realized through the opening and closing of the hand valve 10; the other vacuum flange is connected with two air pipe interfaces 12 through a connecting vacuum flange tee joint, is respectively connected with a needle valve 13 and a flow sensor 14, and is used for introducing protective gas to prevent reaction when high-temperature experiments are carried out, and one vacuum flange is introduced to break the vacuum state in the cavity. The cooling water tank 18 and the cooling water inlet and outlet are welded at the bottom of the sealing plate 2 at the same time, and are used for cooling the sealing plate 2, so that damage to bottom components and sealing rings is avoided.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A vacuum autoclave, comprising:
An aluminum section bracket, wherein an accommodating space is arranged in the aluminum section bracket, a sealing plate is arranged at the top of the aluminum section bracket, a circular groove is arranged at the outer side of the circumference of the upper surface of the sealing plate,
A heating plate placed on the sealing plate for heating the element;
The sealing device comprises a stainless steel cover, a high-temperature resistant fluorine rubber ring is plugged into a circular groove on the surface of the sealing plate, and the lower edge of the stainless steel cover is placed in the circular groove to press the sealing ring;
The air inlet and outlet equipment comprises two vacuum flanges which are oppositely arranged at the bottom of the sealing plate, wherein one vacuum flange is connected with a hand valve and a vacuum gauge through a vacuum flange tee joint, the vacuum gauge is used for measuring the vacuum degree inside the stainless steel cover, the vacuum extraction and the non-extraction inside the stainless steel cover are realized through the opening and closing of the hand valve, the other vacuum flange is connected with two air pipe interfaces through the vacuum flange tee joint, the two air pipe interfaces are respectively connected with a needle valve and a flow sensor, one air pipe interface is used for introducing protective gas to prevent reaction when high-temperature experiments are carried out, and the other air pipe interface is used for introducing air to break the vacuum state in the cavity.
2. The vacuum autoclave of claim 1, wherein:
The upper surface of the sealing plate is provided with a groove which is positioned at the inner side of the circular groove;
and a ceramic gasket with high temperature resistance is arranged in the groove and is used for placing a heating plate.
3. The vacuum autoclave of claim 2, wherein: the stainless steel reflector plate is arranged on the sealing plate and used for reflecting heat radiation generated by the heating plate when the temperature rises downwards.
4. A vacuum autoclave as claimed in claim 3, wherein: the stainless steel reflector plate surface is the mirror surface, just the round hole is seted up at the middle part of stainless steel reflector plate, ceramic gasket with round hole size looks adaptation, just ceramic gasket is located in the round hole.
5. The vacuum autoclave of claim 1, wherein: the inside thermocouple sensor that is equipped with of hot plate is used for measuring the hot plate temperature, thermocouple sensor with thermocouple electrode flange joint of closing plate bottom, thermocouple electrode flange joint has temperature controller, just temperature controller sets up the top of aluminium alloy support.
6. The vacuum autoclave of claim 1, wherein: at least two circles of water cooling pipes are welded in the circumferential direction of the outer side of the stainless steel cover and used for cooling the bottom of the stainless steel cover, and two ends of each water cooling pipe are respectively provided with a water cooling pipe inlet and a water cooling pipe outlet.
7. The vacuum autoclave of claim 1, wherein: a cooling water tank is welded along the circumference of the outer side of the bottom of the sealing plate, and two ends of the cooling water tank are respectively provided with a cooling water inlet and a cooling water outlet for cooling the sealing plate.
8. The vacuum autoclave of claim 6 or 7, wherein: a water tank is arranged in the accommodating space, and a water pump is arranged in the water tank.
9. The vacuum autoclave of claim 1, wherein: the other end of the hand valve is connected to a vacuum pump through a vacuum bellows and is used for realizing the vacuum environment in the stainless steel cover.
10. The vacuum autoclave of claim 1, wherein: the vacuum flange at the bottom of the sealing plate is a CF flange, and the sealing ring of the CF flange is a copper gasket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322453501.2U CN220818546U (en) | 2023-09-11 | 2023-09-11 | Vacuum hot pressing furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322453501.2U CN220818546U (en) | 2023-09-11 | 2023-09-11 | Vacuum hot pressing furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220818546U true CN220818546U (en) | 2024-04-19 |
Family
ID=90677063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322453501.2U Active CN220818546U (en) | 2023-09-11 | 2023-09-11 | Vacuum hot pressing furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220818546U (en) |
-
2023
- 2023-09-11 CN CN202322453501.2U patent/CN220818546U/en active Active
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