CN111908778A - Sheet wind grid for glass tempering - Google Patents
Sheet wind grid for glass tempering Download PDFInfo
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- CN111908778A CN111908778A CN202010472121.1A CN202010472121A CN111908778A CN 111908778 A CN111908778 A CN 111908778A CN 202010472121 A CN202010472121 A CN 202010472121A CN 111908778 A CN111908778 A CN 111908778A
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- 239000011521 glass Substances 0.000 title claims abstract description 90
- 238000005496 tempering Methods 0.000 title claims abstract description 27
- 238000007664 blowing Methods 0.000 claims abstract description 69
- 230000033001 locomotion Effects 0.000 claims description 6
- 230000003247 decreasing effect Effects 0.000 claims description 4
- 230000008602 contraction Effects 0.000 claims description 3
- 238000001816 cooling Methods 0.000 abstract description 17
- 230000000694 effects Effects 0.000 abstract description 10
- 238000004519 manufacturing process Methods 0.000 description 11
- 239000005341 toughened glass Substances 0.000 description 10
- 239000006059 cover glass Substances 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 4
- 230000001154 acute effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003631 expected effect Effects 0.000 description 1
- 239000005357 flat glass Substances 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
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Classifications
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B27/00—Tempering or quenching glass products
- C03B27/04—Tempering or quenching glass products using gas
- C03B27/0404—Nozzles, blow heads, blowing units or their arrangements, specially adapted for flat or bent glass sheets
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B27/00—Tempering or quenching glass products
- C03B27/04—Tempering or quenching glass products using gas
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B27/00—Tempering or quenching glass products
- C03B27/04—Tempering or quenching glass products using gas
- C03B27/0413—Stresses, e.g. patterns, values or formulae for flat or bent glass sheets
Abstract
The invention discloses a sheet-shaped air grid for glass tempering, which comprises: each air grid unit comprises an air blowing part and a slit type continuous air outlet arranged on the air blowing part, in the air blowing direction, two side walls of the slit type continuous air outlet are arranged in parallel or two side walls of the slit type continuous air outlet are mutually inclined, and the thickness of the two side walls of the slit type continuous air outlet is 1-10 mm; in the direction vertical to the air blowing direction, the width of the air outlet side of the slit type continuous air outlet is 1-5 mm; the air blowing part blows out laminar air with the thickness of 1-20mm and the stiffness more than 3 on the contact surface of the air layer and the glass through the slit type continuous air outlet; according to the invention, the shape and the structure of the air grid slit type continuous air outlet are arranged, so that the sheet wind blown out by the air grid keeps certain stiffness, the wind spot is weakened, and the tempering and cooling effects of the glass are improved.
Description
Technical Field
The invention relates to the technical field of glass tempering furnace accessories, in particular to a sheet-shaped air grid for glass tempering.
Background
In the prior art, a glass tempering furnace is required for producing tempered glass, and a generally adopted production method is that the glass tempering furnace heats and then carries out quenching treatment on plate glass, so that cooled glass is changed due to internal stress, the strength of the glass is improved, and a cooling air grid is usually used in the process of cooling the heated glass. The cooling nozzles of the cooling air grid of the existing toughening furnace all adopt circular holes, the nozzles have good cooling and toughening effects on glass, but the circular hole nozzles are easy to have uneven cooling, so that serious stress spots are generated, strip-shaped air spots can be left on the surface of the glass when the glass passes through the nozzles, the attractiveness of the glass is affected, uneven surface stress of the glass can be caused, and the performance of the toughened glass is affected. In order to solve the above problems, those skilled in the relevant art have proposed a new and improved air grid nozzle which uses a slit type air outlet to replace the circular hole structure, but in the actual use process, it is found that the cooling effect does not achieve the expected effect, and the wind spot cannot be effectively improved.
Therefore, how to ensure that the wind energy blown out by the cooling air grid can effectively cool the toughened glass, and the reduction of wind spots of the toughened glass after cooling becomes the problem to be solved urgently.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide a flaky wind grid for glass tempering, which enables flaky wind blown out by the wind grid to keep certain stiffness by setting the shape and the structure of a wind grid slit type continuous air outlet, improves the tempering and cooling effects of glass, and avoids wind spots.
In order to achieve the purpose, the technical scheme of the invention is as follows:
a sheet-shaped air grid for glass tempering comprises: each air grid unit comprises a small air box, an air blowing part and a slit type continuous air outlet arranged on the air blowing part, wherein two side walls of the slit type continuous air outlet are arranged in parallel or are mutually inclined in the air blowing direction, and the thickness of the two side walls of the slit type continuous air outlet is 1-10 mm; in the direction vertical to the air blowing direction, the width of the air outlet side of the slit type continuous air outlet is 1-5 mm; the air blowing part blows out flaky air with the thickness of 1-20mm and the stiffness larger than 3 on the contact surface of the air layer and the glass through the slit type continuous air outlet. The stiffness is the ratio of the inner wind pressure and the outer wind pressure of the flaky wind. The slit type continuous air outlet is a linear long strip air outlet extending along the direction vertical to the glass conveying direction, and the length of the linear long strip air outlet is matched with that of the air grid. Preferably, the matching relation is that the length of the air outlet is slightly smaller than that of the air grid, so that the structural strength is ensured, and the length of the slit air outlet is not smaller than the width of the maximum glass which can be accommodated by the existing air grid.
Furthermore, in the blowing direction, two side walls of the gap type continuous air outlet are arranged in parallel.
Further, in the blowing direction, the distance between the two side walls of the gap type continuous air outlet is gradually increased or gradually decreased.
Furthermore, the slit type continuous air outlet sequentially comprises an air inlet and an air outlet in the blowing direction, one ends, close to the air inlet, of two side walls of the slit type continuous air outlet are parallel to each other, and the distance between the ends, close to the air outlet, of the two side walls of the slit type continuous air outlet is gradually increased or gradually decreased.
Further, the sum contraction angle of the two side walls of the gap type continuous air outlet is not more than 40 degrees.
Furthermore, the air blowing part of each air grid unit is provided with one slit type continuous air outlet, and the distance between the two slit type continuous air outlets of two adjacent air grid units is not more than 200 mm.
Furthermore, a plurality of gap type continuous air outlets are arranged on the air blowing part of at least one air grid unit, the gap type continuous air outlets are arranged on the air blowing part along the movement direction of the glass, and the distance between two adjacent gap type continuous air outlets on the same air blowing part is not more than 90 mm; the distance between two slit type continuous air outlets of two adjacent air grid units is not more than 200 mm.
Further, when the symmetrical central plane of the slit type continuous air outlet is perpendicular to the upper surface of the glass and the motion direction of the glass, the sheet wind blown out by the slit type continuous air outlet is linear sheet wind.
Furthermore, the symmetry center plane of the slit type continuous air outlet is vertical to the upper surface of the glass and is not vertical to the movement direction of the glass, and the sheet-shaped air blown out by the slit type continuous air outlet is oblique line-shaped sheet-shaped air.
Furthermore, the included angle between the symmetrical central plane of the slit type continuous air outlet and the normal direction of the upper surface of the glass is more than 0 degree and less than 40 degrees, and the sheet wind blown out from the slit type continuous air outlet is oblique sheet wind.
Further, the slit type continuous air outlet is a V-shaped air outlet on the air grid, and the sheet-shaped air blown out from the slit type continuous air outlet is V-shaped sheet-shaped air.
Further, the gap type continuous air outlet is an air outlet which is wavy on the air grid, and the sheet wind blown out from the gap type continuous air outlet is wavy sheet wind.
According to the flaky wind grid for glass tempering, the thickness and the width of the slit type continuous air outlet on the wind grid are set, so that wind blown out of the slit type continuous air outlet on the wind grid is flaky wind. The sheet wind energy blown out from the wind grid can cover the glass surface, and meanwhile, as certain wind layer thickness and stiffness are kept, the effect of cooling toughened glass is outstanding, the wind energy blown out from the slit type continuous air outlet greatly reduces the generation of wind spots on the glass surface, reduces the production cost and improves the product quality.
Drawings
FIG. 1 is a partial cross-sectional view of a first blowing section of the present invention;
FIG. 2 is a cross-sectional view of a slit-type continuous outlet according to an embodiment of the present invention;
FIG. 3 is a cross-sectional view of a two-gap continuous outlet according to an embodiment of the present invention;
FIG. 4 is a cross-sectional view of a three-gap continuous outlet according to an embodiment of the present invention;
FIG. 5 is a cross-sectional view of a four-slit continuous outlet in accordance with an embodiment of the present invention;
FIG. 6 is a schematic diagram illustrating a blowing direction of a laminar wind according to an embodiment of the present invention;
FIG. 7 is a schematic diagram of the blowing direction of a second sheet of wind according to the embodiment of the present invention;
FIG. 8 is a schematic diagram of the blowing direction of three sheets of wind according to the embodiment of the present invention;
FIG. 9 is a schematic view of the blowing direction of four sheets of wind according to the embodiment of the present invention;
FIG. 10 is a schematic view of a sheet of wind-cover glass in accordance with an embodiment of the present invention;
FIG. 11 is a schematic view of a second piece of wind-cover glass according to an embodiment of the present invention;
FIG. 12 is a schematic view of a three-piece wind-cover glass according to an embodiment of the present invention;
FIG. 13 is a schematic view of a four-piece wind-cover glass in accordance with an embodiment of the present invention;
FIG. 14 is a partial sectional view of the second blowing portion of the present invention.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiment of the present invention is clearly and completely described below with reference to the drawings in the example of the present invention, and it is obvious that the described example is only a part of the example of the present invention, and not a whole example. All other embodiments obtained by a person skilled in the art based on examples in the present invention shall fall within the scope of protection of the present invention without making creative efforts.
In the description of the present embodiment, the terms "inside", "outside", "front", "rear", "left", "right", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used merely to distinguish similar items and are not to be construed as requiring a particular order or sequence, and it is to be understood that such uses are interchangeable under appropriate circumstances.
To clearly illustrate the idea of the present invention, the present invention is described below with reference to examples.
A sheet-shaped air grid for glass tempering comprises: each air grid unit comprises an air blowing part and a slit type continuous air outlet arranged on the air blowing part, in the air blowing direction, two side walls of the slit type continuous air outlet are arranged in parallel or two side walls of the slit type continuous air outlet are mutually inclined, and the thickness of the two side walls of the slit type continuous air outlet is 1-10 mm; in the direction vertical to the air blowing direction, the width of the air outlet side of the slit type continuous air outlet is 1-5 mm; the air blowing part blows out flaky air with the thickness of 1-20mm and the stiffness larger than 3 on the contact surface of the air layer and the glass through the slit type continuous air outlet.
According to the flaky wind grid for glass tempering, the thickness and the width of the slit type continuous air outlet on the wind grid are set, so that wind blown out of the slit type continuous air outlet on the wind grid is flaky wind. The sheet wind energy blown out from the wind grid can cover the glass surface, and meanwhile, as certain wind layer thickness and stiffness are kept, the effect of cooling toughened glass is outstanding, the wind energy blown out from the slit type continuous air outlet greatly reduces the generation of wind spots on the glass surface, reduces the production cost and improves the product quality.
Example one
As shown in fig. 1, 2, 6 and 10, the sheet-shaped air grid for glass tempering according to the present invention includes: each air grid unit comprises an air blowing part 1 and a slit type continuous air outlet 2 arranged on the air blowing part 1, two side walls of the slit type continuous air outlet 2 are arranged in parallel in the air blowing direction, and the thickness a of the two side walls of the slit type continuous air outlet 2 is 5 mm; in the direction perpendicular to the blowing direction, the width b of the slit type continuous air outlet 2 is 2 mm; the air blowing part 1 blows out sheet-shaped air with the thickness of 10mm and the stiffness of 5 on the contact surface of the air layer and the glass through the gap type continuous air outlet 2.
Referring to fig. 6 and 10, in the embodiment, a slit type continuous air outlet 2 is formed in an end surface of the air blowing portion 1, a left side wall 2-1 and a right side wall 2-2 of the slit type continuous air outlet 2 are arranged in parallel, planes of the two side walls are perpendicular to an upper surface of the glass 3, sheet-shaped air blown out from the slit type continuous air outlet 2 is uniform in thickness, the slit type continuous air outlet 2 is a linear air outlet extending on a grid along a direction perpendicular to a glass conveying direction, the sheet-shaped air blown out from the slit type continuous air outlet 2 is linear sheet-shaped air, the sheet-shaped air blown out from the slit type continuous air outlet 2 covers the glass surface in a width of the cooled glass, and symmetric center planes of the sheet-shaped air are perpendicular to the upper surface of the glass and a glass movement direction.
In the above example, each air grid unit is provided with one slit type continuous air outlet 2, the extending direction of the slit type continuous air outlet 2 is perpendicular to the glass movement direction, the distance between two adjacent slit type continuous air outlets 2 of two adjacent air grid units is 100mm, and the adjacent slit type continuous air outlets 2 are parallel to each other.
In the above example, the thickness and the width of the slit type continuous air outlet on the air grid are set so that the air blown out from the slit type continuous air outlet on the air grid is sheet-shaped air, and through a large number of experiments, the applicant finds that when the slit type continuous air outlet is set to the above conditions in the production of the air grid, the sheet-shaped air blown out from the slit type continuous air outlet can keep certain air layer thickness and stiffness, wherein the stiffness is the ratio of the air pressure in the boundary thickness of the sheet-shaped air to the air pressure outside the boundary. The sheet wind energy blown out from the wind grid can cover the glass surface, and meanwhile, as certain wind layer thickness and stiffness are kept, the effect of cooling toughened glass is outstanding, the wind energy blown out from the slit type continuous air outlet greatly reduces the generation of wind spots on the glass surface, reduces the production cost and improves the product quality.
Example two
As shown in fig. 1, 3, 7 and 11, the sheet-shaped air grid for glass tempering according to the present invention includes: each air grid unit comprises an air blowing part 1 and a slit type continuous air outlet 2 arranged on the air blowing part 1, two side walls of the slit type continuous air outlet 2 are arranged in an inclined mode in the air blowing direction, the distance between the two side walls is gradually increased, and the thickness of the two side walls of the slit type continuous air outlet is 5 mm; the air grid is sequentially provided with an air inlet and an air outlet in the air blowing direction, and the width of the air outlet of the air grid is 3 mm; the air blowing part blows out sheet-shaped air with the thickness of 8mm and the stiffness of 7 on the contact surface of the air layer and the glass through the slit type continuous air outlet.
In this embodiment, the end surface of the blowing portion is provided with a slit type continuous air outlet, the distance between the two side walls of the slit type continuous air outlet gradually increases in the blowing direction, the cross section of the slit type continuous air outlet is as shown in fig. 3, the end portion of the blowing portion of the air grid is in the shape of a flared slit type continuous air outlet, the width of the air outlet side is the width of the maximum distance between the two side walls, and the two side walls of the slit type continuous air outlet are symmetrical to each other with the central plane as the axis. The expansion angle c of two side walls of the slit type continuous air outlet is 20 DEG
As shown in fig. 7, the sheet-like wind blown out from the slit-type continuous outlet is an uneven sheet-like wind which is thick near the glass and thin far from the glass. The symmetrical central plane of the slit type continuous air outlet is vertical to the upper surface of the glass, the included angle between the symmetrical central plane of the slit type continuous air outlet and the glass transmission direction is an acute angle, as shown in fig. 7, the included angle is 75 degrees, the sheet wind blown out from the slit type continuous air outlet is oblique line-shaped sheet wind, and the sheet wind blown out from the slit type continuous air outlet covers the width of the cooled glass.
On a plurality of air grid units are equidistantly arranged above the glass to be toughened, each air grid unit is provided with a slit type continuous air outlet, as shown in fig. 11, the downward extending direction of the slit type continuous air outlets 2 and the moving direction of the glass form an acute angle, the distance between two adjacent slit type continuous air outlets is 130mm, and the adjacent slit type continuous air outlets are parallel to each other.
In the above example, the thickness and the width of the slit type continuous air outlet on the air grid are set so that the air blown out from the slit type continuous air outlet on the air grid is sheet-shaped air, and through a large number of experiments, the applicant finds that when the slit type continuous air outlet is set to the above conditions in the production of the air grid, the sheet-shaped air blown out from the slit type continuous air outlet can keep certain air layer thickness and stiffness, wherein the stiffness is the ratio of the air pressure in the boundary thickness of the sheet-shaped air to the air pressure outside the boundary. The sheet wind energy blown out from the wind grid can cover the glass surface, and meanwhile, as certain wind layer thickness and stiffness are kept, the effect of cooling toughened glass is outstanding, the wind energy blown out from the slit type continuous air outlet greatly reduces the generation of wind spots on the glass surface, reduces the production cost and improves the product quality.
EXAMPLE III
As shown in fig. 1, 4, 8 and 12, the sheet-shaped air grid for glass tempering according to the present invention includes: each air grid unit comprises an air blowing part and a slit type continuous air outlet arranged on the air blowing part, two side walls of the slit type continuous air outlet are arranged in an inclined mode in the air blowing direction, the distance between the two side walls is gradually reduced, and the thickness of the two side walls of the slit type continuous air outlet is 8 mm; the air grid sequentially comprises an air inlet and an air outlet in the air blowing direction, and the width of the air outlet side of the slit type continuous air outlet is 3 mm; the air blowing part blows out sheet-shaped air with the thickness of 5mm and the stiffness of 10 on the contact surface of the air layer and the glass through the slit type continuous air outlet. The present embodiment is different from the above embodiments in that, in the blowing direction, the distance between the two side walls of the slit type continuous air outlet gradually decreases to form a closed slit type continuous air outlet, the width of the air outlet side is the width of the position where the distance between the two side walls is the minimum, and the sheet-like air blown out in the present embodiment is an uneven sheet-like air that is thinner near the glass and thicker far from the glass. The contraction angle d of two side walls of the slit type continuous air outlet is 20 DEG
Referring to fig. 12, in this embodiment, an end surface of the air blowing portion of each air grid unit is provided with a slit type continuous air outlet, the slit type continuous air outlet is in a V-shaped structure on the air grid, the sheet-shaped air blown out by the slit type continuous air outlet is a V-shaped sheet-shaped air, and the V-shaped sheet-shaped air is perpendicular to the upper surface of the glass to be cooled. The distance between two adjacent slit type continuous air outlets is 80mm, and the adjacent slit type continuous air outlets are parallel to each other.
In the above example, the thickness and the width of the slit type continuous air outlet on the air grid are set so that the air blown out from the slit type continuous air outlet on the air grid is sheet-shaped air, and through a large number of experiments, the applicant finds that when the slit type continuous air outlet is set to the above conditions in the production of the air grid, the sheet-shaped air blown out from the slit type continuous air outlet can keep certain air layer thickness and stiffness, wherein the stiffness is the ratio of the air pressure in the boundary thickness of the sheet-shaped air to the air pressure outside the boundary. The sheet wind energy blown out from the wind grid can cover the glass surface, and meanwhile, as certain wind layer thickness and stiffness are kept, the effect of cooling toughened glass is outstanding, the wind energy blown out from the slit type continuous air outlet greatly reduces the generation of wind spots on the glass surface, reduces the production cost and improves the product quality.
Example four
As shown in fig. 5, 9, 13, and 14, the sheet-like windshield mold for glass reinforcement according to the present invention includes: the air grid units comprise air blowing parts and gap type continuous air outlets arranged on the air blowing parts, in the air blowing direction, two side walls of the gap type continuous air outlets are arranged in parallel, and the thickness of the two side walls of the gap type continuous air outlets is 10 mm; in the direction vertical to the air blowing direction, the width of the air outlet side of the slit type continuous air outlet is 1; the air blowing part blows out flaky air with the thickness of 2mm and the stiffness of 20 on the contact surface of the air layer and the glass through the gap type continuous air outlet. In this embodiment, the planes of the symmetric central planes of the two side walls of the slit-type continuous air outlet form an acute angle with the normal of the upper surface of the glass to be cooled, and the included angle is greater than 0 ° and not greater than 40 °. The laminar air blown out by the slit type continuous air outlet is uniform in thickness, and the included angle is 30 degrees in the embodiment. The slit type continuous air outlet is a wave-shaped air outlet which extends on the air grid along the direction vertical to the glass conveying direction. Two gap type continuous air outlets are equidistantly arranged on the end face of the blowing part of at least one air grid unit, and the distance between two adjacent gap type continuous air outlets on the same blowing part is 30 mm. The distance between two adjacent gap type continuous air outlets of two adjacent air blowing parts is 110 mm.
In the above example, the thickness and the width of the slit type continuous air outlet on the air grid are set so that the air blown out from the slit type continuous air outlet on the air grid is sheet-shaped air, and through a large number of experiments, the applicant finds that when the slit type continuous air outlet is set to the above conditions in the production of the air grid, the sheet-shaped air blown out from the slit type continuous air outlet can keep certain air layer thickness and stiffness, wherein the stiffness is the ratio of the air pressure in the boundary thickness of the sheet-shaped air to the air pressure outside the boundary. The sheet wind energy blown out from the wind grid can cover the glass surface, and meanwhile, as certain wind layer thickness and stiffness are kept, the effect of cooling toughened glass is outstanding, the wind energy blown out from the slit type continuous air outlet greatly reduces the generation of wind spots on the glass surface, reduces the production cost and improves the product quality.
It is noted that some of the structures may be selected differently than the specific examples given above. For example, the gap type air outlets arranged on the end face of the blowing part of the air grid are continuous or discontinuous, and the wind blown out from the gap type air outlets needs to be ensured to cover the upper surface of the glass in the width direction; and so on. These are all made by those skilled in the art based on their basic skills in understanding the idea of the present invention, and are not to be exemplified herein.
Finally, it is to be understood that the above embodiments are merely exemplary embodiments taken to illustrate the principles of the present invention, which is not intended to be limiting. It will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention, and these changes and modifications are to be considered as within the scope of the invention.
Claims (10)
1. The utility model provides a glass tempering is with slice wind grid which characterized in that includes: each air grid unit comprises an air blowing part and a plurality of gap type continuous air outlets arranged on the air blowing part, and the thickness of two side walls of each gap type continuous air outlet is 1-10 mm; in the direction vertical to the air blowing direction, the width of the air outlet side of the slit type continuous air outlet is 1-5 mm; the air blowing part blows out flaky air with the thickness of 1-20mm and the stiffness larger than 3 on the contact surface of the air layer and the glass through the slit type continuous air outlet.
2. The sheet-like air grid for glass tempering according to claim 1, wherein two side walls of said slit-type continuous air outlet are arranged in parallel in an air blowing direction.
3. The sheet-like air grid for glass tempering according to claim 1, wherein a distance between both side walls of said slit-type continuous air outlet is gradually increased or gradually decreased in an air blowing direction.
4. The sheet-shaped air grid for glass tempering according to claim 1, wherein the slit-type continuous air outlet comprises an air inlet and an air outlet in sequence in an air blowing direction, two ends of two side walls of the slit-type continuous air outlet close to the air inlet are parallel to each other, and the distance between the two ends of the slit-type continuous air outlet close to the air outlet is gradually increased or decreased.
5. The sheet-shaped air grid for glass tempering according to claim 3, wherein the expansion angle and the contraction angle of the two side walls of the slit-type continuous air outlet are not more than 40 degrees.
6. The sheet-shaped air grid for glass tempering according to claim 1, wherein the air blowing part of each air grid unit is provided with one slit-type continuous air outlet, and the distance between two slit-type continuous air outlets of two adjacent air grid units is not more than 200 mm.
7. The sheet-shaped air grid for glass tempering according to claim 1, wherein a plurality of said slit-type continuous air outlets are arranged on an air blowing part of at least one air grid unit, the plurality of said slit-type continuous air outlets are arranged on the air blowing part along a moving direction of glass, and a distance between two adjacent slit-type continuous air outlets on the same air blowing part is not more than 90 mm; the distance between two slit type continuous air outlets of two adjacent air grid units is not more than 200 mm.
8. The sheet-shaped air grid for glass tempering according to claim 1, wherein when the symmetry center plane of the slit-type continuous air outlet is perpendicular to the upper surface of the glass and the movement direction of the glass, the sheet-shaped air blown out by the slit-type continuous air outlet is a linear sheet-shaped air.
9. The sheet-shaped air grid for glass tempering according to claim 1, wherein a symmetry center plane of the slit-type continuous air outlet is perpendicular to an upper surface of the glass and is not perpendicular to a moving direction of the glass, and the sheet-shaped air blown out by the slit-type continuous air outlet is an oblique line-shaped sheet-shaped air.
10. The sheet-shaped air grid for glass tempering according to claim 1, wherein an included angle between a symmetric center plane of the slit-type continuous air outlet and a normal direction of the upper surface of the glass is more than 0 degree and not more than 40 degrees, and the sheet-shaped air blown out from the slit-type continuous air outlet is oblique sheet-shaped air.
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| CN209835970U (en) * | 2019-04-18 | 2019-12-24 | 刘京 | Toughened glass cooling system and glass tempering furnace thereof |
| CN212315924U (en) * | 2020-05-29 | 2021-01-08 | 洛阳兰迪玻璃机器股份有限公司 | Sheet wind grid for glass tempering |
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2020
- 2020-05-29 CN CN202010472121.1A patent/CN111908778A/en active Pending
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|---|---|---|---|---|
| US4773926A (en) * | 1983-06-14 | 1988-09-27 | Saint-Gobain Vitrage | Tempering of glass |
| CN2608497Y (en) * | 2003-03-26 | 2004-03-31 | 许涛 | Slot type air grid nozzle |
| CN101633557A (en) * | 2008-07-24 | 2010-01-27 | 洛阳兰迪玻璃机器有限公司 | Cooling air grid used for glass tempering machine set |
| CN203474631U (en) * | 2013-08-22 | 2014-03-12 | 秦皇岛市运通玻璃机电技术有限公司 | Spot-free type air grid sheet |
| CN203683366U (en) * | 2014-01-15 | 2014-07-02 | 洛阳兰迪玻璃机器股份有限公司 | Windscreen cooling mechanism |
| CN205590548U (en) * | 2016-03-07 | 2016-09-21 | 成都市兴三维玻璃制造有限公司 | Tempering furnace fan cooler |
| CN209555059U (en) * | 2018-11-28 | 2019-10-29 | 湖北硕星玻璃科技有限公司 | A kind of cooling body for tempered glass |
| CN209835970U (en) * | 2019-04-18 | 2019-12-24 | 刘京 | Toughened glass cooling system and glass tempering furnace thereof |
| CN212315924U (en) * | 2020-05-29 | 2021-01-08 | 洛阳兰迪玻璃机器股份有限公司 | Sheet wind grid for glass tempering |
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