CN112811804A - Glass substrate temperature reducing device - Google Patents
Glass substrate temperature reducing device Download PDFInfo
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- CN112811804A CN112811804A CN202110231727.0A CN202110231727A CN112811804A CN 112811804 A CN112811804 A CN 112811804A CN 202110231727 A CN202110231727 A CN 202110231727A CN 112811804 A CN112811804 A CN 112811804A
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B32/00—Thermal after-treatment of glass products not provided for in groups C03B19/00, C03B25/00 - C03B31/00 or C03B37/00, e.g. crystallisation, eliminating gas inclusions or other impurities; Hot-pressing vitrified, non-porous, shaped glass products
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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
- C03C23/00—Other surface treatment of glass not in the form of fibres or filaments
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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)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
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- Thermal Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
Abstract
The invention discloses a glass substrate temperature reduction device which comprises two symmetrically-arranged cooling mechanisms, wherein a cooling cavity is formed between the two cooling mechanisms. According to the invention, the two cooling mechanisms are arranged, so that the glass plate positioned between the two cooling mechanisms can be cooled on two sides, and the position of the air distribution port can be adjusted according to the position of the glass plate, so that the cooling medium in the air distribution port is uniformly distributed in the cooling cavity, the glass plate is cooled conveniently, and the influence of uneven cooling temperature on the performance of the glass plate is prevented.
Description
Technical Field
The invention belongs to the technical field of processing and manufacturing of liquid crystal glass substrates, and particularly relates to a glass substrate temperature reduction device.
Background
In the production and manufacturing process of the glass substrate, the glass substrate needs to be cooled after glass forming, and the existing cooling equipment is fixed in position and cannot be adjusted according to the position of the glass plate, so that the cooling temperature of each part of the glass plate is uneven, and the performance of the glass plate is affected.
Disclosure of Invention
The present invention is directed to overcome the above problems of the prior art, and provides a glass substrate temperature reduction apparatus, in which two cooling mechanisms are provided to cool a glass plate located between the two cooling mechanisms on both sides, and the position of an air distribution port is adjusted according to the position of the glass plate, so that a cooling medium in the air distribution port is uniformly distributed in a cooling cavity, thereby facilitating cooling of the glass plate and preventing the performance of the glass plate from being affected by uneven cooling temperature.
In order to achieve the technical purpose and achieve the technical effect, the invention is realized by the following technical scheme:
a glass substrate temperature reduction device comprises two symmetrically-arranged cooling mechanisms, wherein a cooling cavity is formed between the two cooling mechanisms;
the cooling mechanism comprises a first square frame and a second square frame which are arranged in parallel from right to left, two first sliding plates which are symmetrically arranged are slidably arranged in the first square frame, and an adjusting mechanism is fixedly arranged at the left end of each first sliding plate;
two first hydraulic rods which are symmetrically arranged are fixedly arranged at the front end and the rear end of the inner surface of the first rectangular frame, and the output ends of the first hydraulic rods are fixedly connected with the first sliding plate;
the periphery of the left side surface of the first square-shaped frame is fixedly provided with first connecting rods, and one ends of the first connecting rods, far away from the first square-shaped frame, are fixedly connected with the second square-shaped frame;
the adjusting mechanism comprises a first adjusting pipe and a second adjusting pipe which is slidably arranged in the first adjusting pipe, the first adjusting pipe is fixedly arranged on the left side surface of the first sliding plate, a second hydraulic rod is arranged in the first adjusting pipe and fixedly arranged on the left side surface of the first sliding plate, and the output end of the second hydraulic rod is fixedly connected with the second adjusting pipe;
two symmetrically-arranged extension plates are fixedly mounted at one end, far away from the first adjusting pipe, of the outer surface of the second adjusting pipe, extension columns are fixedly mounted on the left side surface and the right side surface of each extension plate, and one side surface, far away from the extension plates, of each extension column is an arc-shaped surface;
a first through hole is formed in the center of the lower bottom surface of the extension plate, a second connecting rod is rotatably mounted in the first through hole, a rotating disc is fixedly mounted at one end, far away from the first through hole, of the outer surface of the second connecting rod, a rotating circular groove is formed in the top surface of the rotating disc, and the extension column is rotatably mounted in the rotating circular groove;
a second through hole matched with the second connecting rod is formed in the lower bottom surface of the rotating disc and is communicated with the rotating circular groove, a third connecting rod is vertically installed at one end, penetrating through the second through hole, of the second connecting rod, and a connecting plate is fixedly installed at one end, far away from the second connecting rod, of the third connecting rod;
one side surface of the extension column, which is far away from the extension plate, is provided with a first threaded hole, a first bolt is connected in the first threaded hole in a threaded manner, second threaded holes matched with the first bolt are uniformly distributed on the outer circumferential surface of the rotating disc, the second threaded holes are communicated with the rotating circular groove, and the number of the second threaded holes is even;
a ventilation pipe is arranged in the second adjusting pipe, a ventilation hole matched with the ventilation pipe is formed in the center of the right side face of the connecting plate, one end, penetrating through the ventilation hole, of the ventilation pipe is fixedly communicated with an air distribution port, and the air distribution port is fixedly arranged on the left side face of the connecting plate;
the front end and the rear end of the second adjusting pipe are respectively provided with a first long groove matched with the ventilation pipe, the front end and the rear end of the left side surface of the first adjusting pipe are respectively provided with a second long groove matched with the ventilation pipe, the ventilation pipe sequentially penetrates through one end of the first long groove and one end of the second long groove and is fixedly communicated with a fan, the upper end and the lower end of the fan are respectively fixedly provided with a second sliding plate, one end, far away from the fan, of the right side surface of the second sliding plate is provided with a connecting sliding hole, and the first connecting rod is slidably arranged in;
second slide trailing flank upper end fixed mounting has the connection rope, the one end and the extension board fixed connection of second slide trailing flank are kept away from to the connection rope.
Furthermore, hydraulic jacks are fixedly mounted at the front end and the rear end of the lower bottom surface of the first square frame.
The invention has the beneficial effects that:
according to the invention, the two cooling mechanisms are arranged, so that the glass plate positioned between the two cooling mechanisms can be cooled on two sides, and the position of the air distribution port can be adjusted according to the position of the glass plate, so that the cooling medium in the air distribution port is uniformly distributed in the cooling cavity, the glass plate is cooled conveniently, and the influence of uneven cooling temperature on the performance of the glass plate is prevented.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a portion of the present invention;
FIG. 3 is a schematic view of a partial structure of the present invention;
FIG. 4 is a right side view of a partial structure of the present invention;
FIG. 5 is a schematic view of a portion of the present invention;
FIG. 6 is an exploded view of a portion of the structure of the present invention;
FIG. 7 is a partial schematic view of the present invention;
FIG. 8 is an exploded view of a portion of the structure of the present invention;
FIG. 9 is a partial sectional view of the construction of the present invention;
FIG. 10 is a schematic view of a portion of the present invention;
FIG. 11 is a partial schematic view of the present invention;
fig. 12 is a partial structural schematic of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.
The glass substrate temperature reduction device shown in fig. 1 comprises two symmetrically-arranged cooling mechanisms 1, wherein a cooling cavity 2 is formed between the two cooling mechanisms 1;
in actual use, two cooling mechanisms 1 may be mounted to either side of a glass sheet, the glass sheet being located within the cooling cavity 2.
As shown in fig. 2 to 4, the cooling mechanism 1 includes a first square frame 11 and a second square frame 12 which are arranged in parallel from right to left, two first sliding plates 13 which are symmetrically arranged are slidably mounted inside the first square frame 11, and the adjusting mechanism 3 is fixedly mounted at the left end of each first sliding plate 13;
two first hydraulic rods 111 which are symmetrically arranged are fixedly installed at the front end and the rear end of the inner surface of the first square frame 11, and the output ends of the first hydraulic rods 111 are fixedly connected with the first sliding plate 13;
the periphery of the left side surface of the first square frame 11 is fixedly provided with a first connecting rod 113, and one end of the first connecting rod 113, which is far away from the first square frame 11, is fixedly connected with the second square frame 12;
the two adjusting mechanisms 3 are arranged, so that two glass plates can be cooled, and only a single glass plate can be cooled;
by this arrangement, the position between the two first sliding plates 13 can be adjusted, so that the distance between the two glass plates can be adjusted according to the specification of a single glass plate, and the cooling process between the two glass plates is not interfered;
as shown in fig. 5 to 12, the adjusting mechanism 3 includes a first adjusting pipe 31 and a second adjusting pipe 32 slidably mounted inside the first adjusting pipe 31, the first adjusting pipe 31 is fixedly mounted on the left side surface of the first sliding plate 13, a second hydraulic rod 311 is disposed in the first adjusting pipe 31, the second hydraulic rod 311 is fixedly mounted on the left side surface of the first sliding plate 13, and an output end of the second hydraulic rod 311 is fixedly connected to the second adjusting pipe 32;
two symmetrically-arranged extension plates 321 are fixedly mounted at one end of the outer surface of the second adjusting pipe 32, which is far away from the first adjusting pipe 31, extension columns 322 are fixedly mounted on the left side surface and the right side surface of each extension plate 321, and one side surface of each extension column 322, which is far away from each extension plate 321, is an arc-shaped surface;
a first through hole 3211 is formed in the center of the lower bottom surface of the extension plate 321, a second connecting rod 3212 is rotatably mounted in the first through hole 3211, a rotating disc 3213 is fixedly mounted at one end of the outer surface of the second connecting rod 3212, which is far away from the first through hole 3211, a rotating circular groove 3214 is formed in the top surface of the rotating disc 3213, and the extension column 322 is rotatably mounted in the rotating circular groove 3214;
a second through hole 3215 matched with the second connecting rod 3212 is formed in the lower bottom surface of the rotating disc 3213, the second through hole 3215 is communicated with the rotating circular groove 3214, a third connecting rod 3216 is vertically installed at one end of the second connecting rod 3212 penetrating through the second through hole 3215, and a connecting plate 3217 is fixedly installed at one end, far away from the second connecting rod 3212, of the third connecting rod 3216;
a side surface of the extension column 322, which is far away from the extension plate 321, is provided with a first threaded hole 3221, the first threaded hole 3221 is connected with a first bolt 3222 through an internal thread, the outer circumferential surface of the rotary disc 3213 is uniformly provided with second threaded holes 3218 matched with the first bolt 3222, the second threaded holes 3218 are communicated with the rotary circular grooves 3214, and the number of the second threaded holes 3218 is even;
a ventilation pipe 323 is arranged in the second adjusting pipe 32, a ventilation hole 3219 matched with the ventilation pipe 323 is formed in the center of the right side surface of the connecting plate 3217, one end, penetrating through the ventilation hole 3219, of the ventilation pipe 323 is fixedly communicated with an air volume distribution port 324, and the air volume distribution port 324 is fixedly installed on the left side surface of the connecting plate 3217, wherein the ventilation pipe 323 is a connecting hose;
a first long groove 325 matched with the ventilation pipe 323 is formed in each of the front end and the rear end of the second adjusting pipe 32, a second long groove 312 matched with the ventilation pipe 323 is formed in each of the front end and the rear end of the left side face of the first adjusting pipe 31, the ventilation pipe 323 sequentially penetrates through the first long groove 325 and one end of the second long groove 312, a fan 326 is fixedly communicated with each of the front end and the rear end of the fan 326, a second sliding plate 3261 is fixedly installed at each of the upper end and the lower end of the fan 326, a connecting sliding hole 3262 is formed in one end, far away from the fan 326, of the right side face of the second sliding plate;
a connecting rope 3263 is fixedly installed at the upper end of the rear side surface of the second sliding plate 3261, one end of the connecting rope 3263, which is far away from the rear side surface of the second sliding plate 3261, is fixedly connected with the extension plate 321, and the connecting rope 3263 is arranged, so that distance limitation is performed when the air volume distribution port 324 is adjusted to move back and forth;
through the arrangement, the distance between the air volume distribution port 324 and the glass plate can be adjusted, the hydraulic jack 112 is arranged, the height of the air volume distribution port 324 can be adjusted, the first hydraulic rod 111 is arranged, the front-back distance of the air volume distribution port 324 can be adjusted, the position of the air volume distribution port 324 can be adjusted in all directions, and the glass plate can be cooled uniformly;
the extension column 322, the rotary disc 3213 and the first bolt 3222 are arranged, so that the turning direction of the air distribution port 324 can be adjusted, the adjustment can be performed according to the position of the glass plate, and the adjustment is convenient and reliable.
In this context, the first hydraulic rod 111 and the second hydraulic rod 311 are both known conventional electric hydraulic push rods; the hydraulic jack 112 is a known conventional hydraulic jack.
In the actual use process, through setting up two cooling body 1, can carry out two-sided cooling to the glass sheet that is located between two cooling body 1, and can be according to the position of glass sheet, adjust the position of amount of wind distribution mouth 324 to make the cooling medium equipartition in the amount of wind distribution mouth 324 in cooling cavity 2, thereby the cooling of the glass sheet of being convenient for, prevent that the cooling temperature inequality from producing the influence to the glass sheet performance.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.
Claims (2)
1. A glass substrate temperature reduction device, characterized in that: the device comprises two symmetrically-arranged cooling mechanisms (1), wherein a cooling cavity (2) is formed between the two cooling mechanisms (1);
the cooling mechanism (1) comprises a first square frame (11) and a second square frame (12) which are arranged in parallel from right to left, two first sliding plates (13) which are symmetrically arranged are slidably arranged in the first square frame (11), and the left end of each first sliding plate (13) is fixedly provided with an adjusting mechanism (3);
two first hydraulic rods (111) which are symmetrically arranged are fixedly installed at the front end and the rear end of the inner surface of the first square frame (11), and the output ends of the first hydraulic rods (111) are fixedly connected with a first sliding plate (13);
first connecting rods (113) are fixedly arranged on the periphery of the left side face of the first square frame (11), and one ends, far away from the first square frame (11), of the first connecting rods (113) are fixedly connected with the second square frame (12);
the adjusting mechanism (3) comprises a first adjusting pipe (31) and a second adjusting pipe (32) which is slidably mounted inside the first adjusting pipe (31), the first adjusting pipe (31) is fixedly mounted on the left side surface of the first sliding plate (13), a second hydraulic rod (311) is arranged in the first adjusting pipe (31), the second hydraulic rod (311) is fixedly mounted on the left side surface of the first sliding plate (13), and the output end of the second hydraulic rod (311) is fixedly connected with the second adjusting pipe (32);
one end of the outer surface of the second adjusting pipe (32), which is far away from the first adjusting pipe (31), is fixedly provided with two symmetrically-arranged extending plates (321), the left side surface and the right side surface of each extending plate (321) are fixedly provided with extending columns (322), and one side surface, which is far away from the extending plates (321), of each extending column (322) is an arc-shaped surface;
a first through hole (3211) is formed in the center of the lower bottom surface of the extension plate (321), a second connecting rod (3212) is rotatably mounted in the first through hole (3211), a rotating disc (3213) is fixedly mounted at one end, far away from the first through hole (3211), of the outer surface of the second connecting rod (3212), a rotating circular groove (3214) is formed in the top surface of the rotating disc (3213), and the extension column (322) is rotatably mounted in the rotating circular groove (3214);
a second through hole (3215) matched with the second connecting rod (3212) is formed in the lower bottom surface of the rotating disc (3213), the second through hole (3215) is communicated with the rotating circular groove (3214), a third connecting rod (3216) is vertically installed at one end of the second connecting rod (3212) penetrating through the second through hole (3215), and a connecting plate (3217) is fixedly installed at one end, far away from the second connecting rod (3212), of the third connecting rod (3216);
a first threaded hole (3221) is formed in one side surface, away from the extension plate (321), of the extension column (322), a first bolt (3222) is connected to the first threaded hole (3221) in an internal thread manner, second threaded holes (3218) matched with the first bolt (3222) are uniformly distributed in the outer circumferential surface of the rotary disc (3213), the second threaded holes (3218) are communicated with the rotary circular groove (3214), and the number of the second threaded holes (3218) is even;
a ventilation pipe (323) is arranged inside the second adjusting pipe (32), a ventilation hole (3219) matched with the ventilation pipe (323) is formed in the center of the right side face of the connecting plate (3217), an air volume distribution port (324) is fixedly communicated with one end, penetrating through the ventilation hole (3219), of the ventilation pipe (323), and the air volume distribution port (324) is fixedly installed on the left side face of the connecting plate (3217);
the front end and the rear end of the second adjusting pipe (32) are respectively provided with a first long groove (325) matched with the ventilating pipe (323), the front end and the rear end of the left side surface of the first adjusting pipe (31) are respectively provided with a second long groove (312) matched with the ventilating pipe (323), the ventilating pipe (323) sequentially penetrates through the first long groove (325) and one end of the second long groove (312) and is fixedly communicated with a fan (326), the upper end and the lower end of the fan (326) are respectively and fixedly provided with a second sliding plate (3261), one end of the right side surface of the second sliding plate (3261) far away from the fan (326) is provided with a connecting sliding hole (3262), and the first connecting rod (113) is slidably arranged in the connecting sliding hole (3262);
and a connecting rope (3263) is fixedly mounted at the upper end of the rear side face of the second sliding plate (3261), and one end, far away from the rear side face of the second sliding plate (3261), of the connecting rope (3263) is fixedly connected with the extension plate (321).
2. The glass substrate temperature reduction apparatus according to claim 1, wherein: and hydraulic jacks (112) are fixedly arranged at the front end and the rear end of the lower bottom surface of the first square frame (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110231727.0A CN112811804B (en) | 2021-03-02 | 2021-03-02 | Glass substrate temperature reducing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110231727.0A CN112811804B (en) | 2021-03-02 | 2021-03-02 | Glass substrate temperature reducing device |
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| Publication Number | Publication Date |
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| CN112811804A true CN112811804A (en) | 2021-05-18 |
| CN112811804B CN112811804B (en) | 2022-08-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110231727.0A Active CN112811804B (en) | 2021-03-02 | 2021-03-02 | Glass substrate temperature reducing device |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002257474A (en) * | 2001-02-26 | 2002-09-11 | Espec Corp | High efficiency cooling type heat treatment apparatus |
| CN106630565A (en) * | 2016-12-16 | 2017-05-10 | 重庆荣成玻璃制品有限公司 | Cooling device for cooling glass plate |
| CN206447767U (en) * | 2016-12-08 | 2017-08-29 | 广东索奥斯玻璃技术有限公司 | A kind of adjustable pressure wind apparatus of glass tempering furnace quenching air grid |
| CN107673591A (en) * | 2017-11-14 | 2018-02-09 | 杭州精工机械有限公司 | The annealing furnace air grid structure for realizing the high uniformity of air intake placed in the middle symmetrical above and below |
| CN208266045U (en) * | 2018-05-18 | 2018-12-21 | 安徽蓝鹰玻璃有限公司 | A kind of highly-efficient glass cooling device |
| CN209835970U (en) * | 2019-04-18 | 2019-12-24 | 刘京 | Toughened glass cooling system and glass tempering furnace thereof |
| CN212199002U (en) * | 2020-02-28 | 2020-12-22 | 广东易德光学技术有限公司 | Molding cooling device is used in glassware production |
| CN112374737A (en) * | 2020-11-23 | 2021-02-19 | 江苏盛阳消防科技有限公司 | Adjustable air-blowing cooling structure of glass tempering furnace |
-
2021
- 2021-03-02 CN CN202110231727.0A patent/CN112811804B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002257474A (en) * | 2001-02-26 | 2002-09-11 | Espec Corp | High efficiency cooling type heat treatment apparatus |
| CN206447767U (en) * | 2016-12-08 | 2017-08-29 | 广东索奥斯玻璃技术有限公司 | A kind of adjustable pressure wind apparatus of glass tempering furnace quenching air grid |
| CN106630565A (en) * | 2016-12-16 | 2017-05-10 | 重庆荣成玻璃制品有限公司 | Cooling device for cooling glass plate |
| CN107673591A (en) * | 2017-11-14 | 2018-02-09 | 杭州精工机械有限公司 | The annealing furnace air grid structure for realizing the high uniformity of air intake placed in the middle symmetrical above and below |
| CN208266045U (en) * | 2018-05-18 | 2018-12-21 | 安徽蓝鹰玻璃有限公司 | A kind of highly-efficient glass cooling device |
| CN209835970U (en) * | 2019-04-18 | 2019-12-24 | 刘京 | Toughened glass cooling system and glass tempering furnace thereof |
| CN212199002U (en) * | 2020-02-28 | 2020-12-22 | 广东易德光学技术有限公司 | Molding cooling device is used in glassware production |
| CN112374737A (en) * | 2020-11-23 | 2021-02-19 | 江苏盛阳消防科技有限公司 | Adjustable air-blowing cooling structure of glass tempering furnace |
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|---|---|
| CN112811804B (en) | 2022-08-30 |
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