CN113292258A - Hot-press sealing die and process for inverted glass flange and metal sealing cover - Google Patents
Hot-press sealing die and process for inverted glass flange and metal sealing cover Download PDFInfo
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- CN113292258A CN113292258A CN202110452646.3A CN202110452646A CN113292258A CN 113292258 A CN113292258 A CN 113292258A CN 202110452646 A CN202110452646 A CN 202110452646A CN 113292258 A CN113292258 A CN 113292258A
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- glass flange
- positioning
- die
- sealing cover
- mold
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C27/00—Joining pieces of glass to pieces of other inorganic material; Joining glass to glass other than by fusing
- C03C27/04—Joining glass to metal by means of an interlayer
- C03C27/042—Joining glass to metal by means of an interlayer consisting of a combination of materials selected from glass, glass-ceramic or ceramic material with metals, metal oxides or metal salts
- C03C27/046—Joining glass to metal by means of an interlayer consisting of a combination of materials selected from glass, glass-ceramic or ceramic material with metals, metal oxides or metal salts of metals, metal oxides or metal salts only
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
- Joining Of Glass To Other Materials (AREA)
- Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
Abstract
The invention provides a hot-press sealing die and a hot-press sealing process for an inverted glass flange and metal, and the hot-press sealing die comprises a positioning support die I, wherein a positioning support die II is placed on the positioning support die I, a threaded hole is formed in the middle of the upper surface of the positioning support die II, a screw rod matched with the threaded hole is arranged at the bottom of the positioning support die III, a threaded hole matched with a material loading and taking rod is formed in the upper surface of the positioning support die III, the glass flange is placed on the positioning support die II, a metal sealing cover is placed on the glass flange, and an annular positioning pressing die is placed on the metal sealing cover. The invention can realize the characteristics of good sealing effect and high production efficiency of the produced metal inner tube vacuum tube with the inward-turning flange.
Description
Technical Field
The invention provides a hot-press sealing die and a hot-press sealing process for an inverted glass flange and metal, and belongs to the technical field of solar heat collecting pipes.
Background
Solar energy is the most important basic energy among various renewable energy sources, and has the advantages of abundant resources, inexhaustibility, no environmental pollution, no damage to ecological balance and the like. Therefore, in the present day that the petrochemical fuel is reduced year by year and the international energy situation is severe, the development and utilization of solar energy is one of the important ways to realize diversification of energy supply and guarantee energy safety. The focuser type solar vacuum heat collecting tube can be applied to the fields of industrial heating and power generation, is an important development direction of the future solar photo-thermal industry, and the performance of the focuser type solar vacuum heat collecting tube is directly related to the development speed of the future photo-thermal industry.
At present, three basic forms exist in the field of solar water heaters in China, namely 1, an all-glass vacuum tube solar water heater; 2. a flat plate water heater; 3. a closed sunning type water heater. With the development of buildings to small and high-rise fields, low-rise buildings are designed by slope roofs, so that the problems of popularization and use are brought to the integrated design of the solar water heater and the buildings at present: the existing solar vacuum heat collecting pipe needs to seal an inward-turning glass flange and a metal sealing cover during production, and in the actual production process, the problems of poor sealing effect, complex process during production, time and labor waste are often caused due to the limitation of the process.
Disclosure of Invention
The invention aims to provide a hot-press sealing die and a hot-press sealing process for an inverted glass flange and metal, which can overcome the defects, and can realize the characteristics of good sealing effect and high production efficiency of a vacuum tube of a metal inner tube of the produced inverted flange.
In order to solve the problems, the invention provides a hot-press sealing die for an inward-turning glass flange and a metal sealing cover, which comprises a positioning support die I, wherein a positioning support die II is placed on the positioning support die I, a threaded hole is formed in the middle of the upper surface of the positioning support die II, a screw rod matched with the threaded hole is arranged at the bottom of the positioning support die III, a threaded hole matched with a material loading and taking rod is formed in the upper surface of the positioning support die III, the glass flange is placed on the positioning support die II, the metal sealing cover is placed on the glass flange, and an annular positioning pressing die is placed on the metal sealing cover.
Preferably, the positioning and supporting mold I is fixed in the heating furnace body, and a preheating and heating device is arranged in the positioning and supporting mold I.
Preferably, the heating furnace body is fixed on a movable workbench, and the movable workbench can move along a slide way on a fixed workbench of the press; a universal pressing die is arranged above the fixed workbench of the press machine, and the top of the universal pressing die is connected with a universal pressure ejector rod.
Preferably, inclined slideways are arranged on two sides of the fixed workbench of the press machine, rolling wheels are arranged at the bottoms of two sides of the movable workbench, and the rolling wheels can move on the two inclined slideways; two press seal supporting blocks are arranged between the highest points of the two slide ways, and the press seal supporting blocks and the slide ways are arranged on a fixed workbench of the press machine.
Preferably, the upper surface of the press seal supporting block is provided with a positioning clamping groove of the movable workbench.
Preferably, the annular positioning pressing die is provided with a temperature sensor placing hole.
The hot press sealing process of the inverted glass flange and the metal sealing cover comprises the following steps:
(1) placing the glass flange on a positioning support mold II, and superposing a metal sealing cover on the glass flange;
(2) placing the metal sealing cover, the glass flange and the positioning support mold II which are superposed in the step on the positioning support mold I, and heating;
(3) heating to a set temperature and then pressurizing the metal sealing cover and the glass flange;
(4) after pressurization, the metal sealing cover and the glass flange which are hot-pressed together are taken out;
(5) and taking the metal sealing cover and the glass flange out of the metal sealing cover and the glass flange.
Preferably, step (1) specifically comprises:
I. placing a positioning support mold II on a support mold, and placing an annular plastic material above the positioning support mold II;
II. Placing a glass flange on the annular plastic material, and then placing an annular sealing material above the glass flange;
and III, after the metal sealing cover is placed above the annular sealing material, a bottom screw of the positioning and supporting mold III penetrates through a through hole between the metal sealing cover and the glass flange to be rotatably connected with the positioning and supporting mold II, and then the annular positioning pressing mold is placed on the metal sealing cover.
Preferably, the step (2) specifically comprises: the material loading and taking rod is in spiral connection with the positioning support mold III to drive the annular positioning pressing mold, the annular sealing material, the glass flange, the annular plastic material and the positioning support mold II to leave the support mold and put on the positioning support mold I in the heating furnace body, the temperature measuring sensor is put in the temperature measuring sensor placing hole, and the mold and the workpiece are heated by the heating furnace body and the preheating heating device.
Preferably, after the temperature is heated to a set temperature, the movable workbench is pushed to the tail end of the slide way and fixed on a positioning clamping groove of the movable workbench, and the universal pressing die exerts impact pressure on the annular positioning pressing die under the action of the cylinder and maintains the pressure for 30-150 s; after the pressurization work is finished, the material loading and taking rod is in spiral connection with the positioning support die III, the die is taken out, and the workpiece subjected to hot-pressing sealing is finished, wherein the workpiece is a sealed glass flange and a sealed metal cover. The heating temperature is set to be a critical value of the melting point of the annular sealing material, and is generally set to be 1-30 ℃ lower than the melting point of the annular sealing material.
Compared with the prior art, the invention has the beneficial effects that:
the invention conveniently carries out hot melting and press sealing on the annular transition material and the glass flange through the die, and has simple operation, convenience and rapidness.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a state diagram of the use of the present invention;
wherein, 1, positioning and supporting a mould I; 2. positioning and supporting the mold II; 3. positioning a supporting mold III; 4. loading and taking a material rod; 5. a glass flange; 6. a metal sealing cover; 7. an annular positioning pressing die; 8. universal pressing die; 9. moving the working table; 10. a rolling wheel; 11. pressing and sealing the supporting block; 12. the press machine fixes the workbench; 13. a positioning clamping groove of the movable workbench; 14. a universal pressure ejector rod; 15. preheating a heating device; 16. a temperature measuring sensor; 17. an annular moldable material; 18. and (3) annular sealing materials.
Detailed Description
Example 1
The invention is further illustrated in the following figures 1-2, in conjunction with the accompanying drawings: the invention provides a hot-press sealing die for an inverted glass flange and a metal sealing cover, which comprises a positioning and supporting die I1, wherein the positioning and supporting die I1 is fixed in a heating furnace body, and a preheating and heating device 15 is arranged in the positioning and supporting die I1. The location has been placed on supporting mould I1 location and has been supported mould II2, location supports mould II2 upper surface middle part and is equipped with the screw hole, location support mould III3 bottom be equipped with screw hole complex screw rod, location support mould III3 upper surface is equipped with and adorns and gets material pole 4 complex screw hole, glass flange 5 is placed and is supported mould II2 in the location, metal-enclosed lid 6 is placed on glass flange 5, annular location moulding-die 7 is placed on metal-enclosed lid 6.
The heating furnace body is fixed on a movable workbench 9, and the movable workbench 9 can move along a slide way on a press machine fixed workbench 12; a universal pressing die 8 is arranged above the fixed workbench 12 of the press machine, and the top of the universal pressing die 8 is connected with a universal pressure ejector rod 14. Inclined slideways are arranged on two sides of a fixed workbench 12 of the press machine, rolling wheels 10 are arranged at the bottoms of two sides of a movable workbench 9, and the rolling wheels 10 can move on the two inclined slideways; two press seal supporting blocks 11 are arranged between the highest points of the two slide ways, and the press seal supporting blocks 11 and the slide ways are both arranged on a fixed workbench 12 of the press machine.
The upper surface of the press-seal supporting block 11 is provided with a positioning clamping groove 13 of the movable workbench.
The annular positioning pressing die 7 is provided with a temperature sensor placing hole.
The hot press sealing process of the inverted glass flange and the metal sealing cover comprises the following steps:
(1) placing the glass flange 5 on a positioning support mould II2, and superposing the metal sealing cover 6 above the glass flange 5;
specifically, the method comprises the following steps:
I. placing a positioning support mold II2 on a support mold, placing an annular plastic material 17 above the positioning support mold II2, wherein the annular plastic material 17 can be an aluminum wire and is used for reducing pressure during pressure heat sealing;
II. After the glass flange 5 is placed on the annular plastic material 17, the upper surface of the glass flange is cleaned by acetone, an annular sealing material 18 is placed above the glass flange 5, and the annular sealing material 18 can be lead wires and is used for connecting the glass flange 5 and the metal sealing cover 6 during hot press sealing;
III, after the metal sealing cover 6 is placed above the annular sealing material 18, a bottom screw of a positioning and supporting mold III3 is rotatably connected with a positioning and supporting mold II2 through a through hole between the metal sealing cover 6 and the glass flange 5, then an annular positioning pressing mold 7 is placed on the metal sealing cover 6, and the annular positioning pressing mold 7 not only can be used for positioning, but also can be used for absorbing heat, so that the annular sealing material 18 is melted to connect the metal sealing cover 6 and the glass flange.
(2) Placing the metal sealing cover 6, the glass flange 5 and the positioning and supporting mold II2 which are superposed in the step 1 on a positioning and supporting mold I1, and heating; the step 2 specifically comprises the following steps: the material loading and taking rod 4 is in spiral connection with the positioning support die III3 to drive the annular positioning pressing die 7, the annular sealing material 18, the glass flange 5, the annular plastic material 17 and the positioning support die II2 to leave the support die and be placed on the positioning support die I1 in the heating furnace body, the temperature sensor 16 is placed in the temperature sensor placing hole, and the heating furnace body and the preheating device 15 are used for heating the die and the workpiece. The heating temperature in the heating furnace is set between 520 ℃ and 560 ℃, and 540 ℃ is adopted in the embodiment;
(3) heating to a set temperature, and pressurizing the metal sealing cover 6 and the glass flange 5;
the temperature sensor 16 collects the temperature of the annular positioning pressing die 7, and when the temperature reaches a set temperature of 325 ℃ to be less than the melting point of the lead wire by 10 ℃, an alarm is given, and the next operation of workers is promoted. The movable workbench 9 is pushed to the tail end of the slide way and fixed on the movable workbench positioning clamping groove 13, the movable workbench positioning clamping groove 13 is slightly higher than the tail end of the slide way, so that the movable workbench 9 can transmit pressure to the press seal supporting block 11 when the pressure is applied, and the slide way is prevented from being pressed.
The universal pressing die 8 applies impact pressure to the annular positioning pressing die 7 under the action of the cylinder and maintains the pressure for 30-150 s; after the pressurization work is finished, the material loading and taking rod 4 is in spiral connection with the positioning support die III3, the die is taken out, and the workpiece subjected to hot-press sealing is finished, wherein the workpiece is the sealed glass flange 5 and the metal sealing cover 6.
(4) And after pressurization, taking out the metal sealing cover 6 and the glass flange 5 which are subjected to hot pressing together, and taking down the die to finish the operation.
Claims (10)
1. The utility model provides an in turn over glass flange and metal seal lid's hot pressing seal mould, a serial communication port, including location support mould I (1), location support mould II (2) have been placed on location support mould I (1), location support mould II (2) upper surface middle part is equipped with the screw hole, location support mould III (3) bottom be equipped with screw hole complex screw rod, location support mould III (3) upper surface be equipped with adorn get material pole (4) complex screw hole, glass flange (5) are placed in location support mould II (2), metal seal lid (6) are placed on glass flange (5), annular location moulding-die (7) are placed on metal seal lid (6).
2. The hot-press sealing die for the inverted glass flange and the metal sealing cover according to claim 1, wherein the positioning and supporting die I (1) is fixed in a heating furnace body, and a preheating and heating device (15) is arranged in the positioning and supporting die I (1).
3. The hot-press sealing die for the inverted glass flange and the metal sealing cover as claimed in claim 2, wherein the heating furnace body is fixed on a movable workbench (9), and the movable workbench (9) can move along a slide way on a fixed workbench (12) of the press; a universal pressing die (8) is arranged above the fixed workbench (12) of the press machine, and the top of the universal pressing die (8) is connected with a universal pressure ejector rod (14).
4. The hot-press sealing die for the inverted glass flange and the metal sealing cover according to claim 3, characterized in that inclined slideways are arranged at two sides of a fixed workbench (12) of the press machine, rolling wheels (10) are arranged at the bottoms of two sides of a movable workbench (9), and the rolling wheels (10) can move on the two inclined slideways; two press seal supporting blocks (11) are arranged between the highest points of the two slide ways, and the press seal supporting blocks (11) and the slide ways are both arranged on a fixed workbench (12) of the press machine.
5. The hot-pressing mold for the inverted glass flange and the metal sealing cover according to claim 1, wherein the upper surface of the pressing support block (11) is provided with a positioning slot (13) of a movable worktable.
6. The hot-press sealing die for the inverted glass flange and the metal sealing cover as claimed in claim 1, wherein the annular positioning pressing die (7) is provided with a temperature sensor placing hole.
7. The heat sealing process of the inverted glass flange and the metal sealing cover according to any one of claims 1 to 6, comprising the steps of:
(1) placing the glass flange (5) on the positioning support mold II (2), and superposing the metal sealing cover (6) above the glass flange (5);
(2) placing the metal sealing cover (6), the glass flange (5) and the positioning and supporting mold II (2) which are superposed in the step (1) on the positioning and supporting mold I (1) for heating;
(3) heating to a set temperature and then pressurizing the metal sealing cover (6) and the glass flange (5);
(4) after pressurization, the metal sealing cover (6) and the glass flange (5) which are hot-pressed together are taken out;
(5) and taking the metal sealing cover (6) and the glass flange (5) out of the mold.
8. The heat press sealing process of an inverted glass flange and a metal sealing cover as claimed in claim 7,
the step (1) specifically comprises the following steps:
I. placing a positioning support mold II (2) on the support mold, and placing an annular plastic material (17) above the positioning support mold II (2);
II. After the glass flange (5) is placed on the annular plastic material (17), an annular sealing material (18) is placed above the glass flange (5);
III, after the metal sealing cover (6) is placed above the annular sealing material (18), a screw at the bottom of the positioning and supporting mold III (3) penetrates through a through hole between the metal sealing cover (6) and the glass flange to be rotatably connected with the positioning and supporting mold II (2), and then the annular positioning pressing mold (7) is placed on the metal sealing cover (6).
9. The heat press sealing process of an inverted glass flange and a metal sealing cover as claimed in claim 7,
the step (2) specifically comprises the following steps: the material taking rod (4) and the positioning support mold III (3) are in spiral connection by utilizing the mounting and taking rod, an annular positioning pressing mold (7), an annular sealing transitional material (18), a glass flange (5), an annular plastic material (17) and a positioning support mold II (2) are driven to leave the support mold and put into the positioning support mold I (1) in the heating furnace body, a temperature measuring sensor (16) is placed into a temperature measuring sensor placing hole, and the heating furnace body and the preheating heating device (15) are utilized to heat the mold and a workpiece.
10. The hot-press sealing process of the inverted glass flange and the metal sealing cover according to claim 7, characterized in that the step (3) specifically comprises, after heating to a set temperature, pushing the movable workbench (9) to the tail end of the slideway, fixing the movable workbench on a positioning clamping groove of the movable workbench, and applying impact pressure to the annular positioning pressing die (7) by the universal pressing die (8) under the action of the air cylinder and maintaining the pressure for 30-150 s; after the pressurization work is finished, the material loading and taking rod (4) is in spiral connection with the positioning support die III (3), the die is taken out, and the workpiece subjected to hot-press sealing is finished, wherein the workpiece is a sealed glass flange (5) and a metal sealing cover (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110452646.3A CN113292258B (en) | 2021-04-26 | 2021-04-26 | Hot-press sealing die and process for inverted glass flange and metal sealing cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110452646.3A CN113292258B (en) | 2021-04-26 | 2021-04-26 | Hot-press sealing die and process for inverted glass flange and metal sealing cover |
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| Publication Number | Publication Date |
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| CN113292258A true CN113292258A (en) | 2021-08-24 |
| CN113292258B CN113292258B (en) | 2023-05-12 |
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| CN202110452646.3A Active CN113292258B (en) | 2021-04-26 | 2021-04-26 | Hot-press sealing die and process for inverted glass flange and metal sealing cover |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1680208A (en) * | 2004-04-08 | 2005-10-12 | 江希年 | Glass metal sealing process of vacuum heat-collecting pipe |
| CN101182134A (en) * | 2007-11-26 | 2008-05-21 | 天津大学 | Collector tube glass-metal double-port hot-pressing sealing material and method |
| CN102180602A (en) * | 2011-03-17 | 2011-09-14 | 日出东方太阳能股份有限公司 | Glass metal sealing process for solar vacuum heat-collecting tube |
| CN102589168A (en) * | 2011-11-16 | 2012-07-18 | 张建城 | Line-focus solar heat collecting tube provided with hot-pressing sealing protection device |
| CN109612126A (en) * | 2018-11-23 | 2019-04-12 | 江伦 | Using the solar collector pipe of inner cased type glassy metal pipe sealing structure |
-
2021
- 2021-04-26 CN CN202110452646.3A patent/CN113292258B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1680208A (en) * | 2004-04-08 | 2005-10-12 | 江希年 | Glass metal sealing process of vacuum heat-collecting pipe |
| CN101182134A (en) * | 2007-11-26 | 2008-05-21 | 天津大学 | Collector tube glass-metal double-port hot-pressing sealing material and method |
| CN102180602A (en) * | 2011-03-17 | 2011-09-14 | 日出东方太阳能股份有限公司 | Glass metal sealing process for solar vacuum heat-collecting tube |
| CN102589168A (en) * | 2011-11-16 | 2012-07-18 | 张建城 | Line-focus solar heat collecting tube provided with hot-pressing sealing protection device |
| CN109612126A (en) * | 2018-11-23 | 2019-04-12 | 江伦 | Using the solar collector pipe of inner cased type glassy metal pipe sealing structure |
Non-Patent Citations (1)
| Title |
|---|
| 艾捷等: "太阳能真空集热管热压封接机的研制及其应用", 《新技术新工艺》 * |
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