CN209778644U - Quenching device for glass tempering - Google Patents
Quenching device for glass tempering Download PDFInfo
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- CN209778644U CN209778644U CN201920636487.0U CN201920636487U CN209778644U CN 209778644 U CN209778644 U CN 209778644U CN 201920636487 U CN201920636487 U CN 201920636487U CN 209778644 U CN209778644 U CN 209778644U
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Abstract
The utility model relates to a quenching device for glass tempering, which comprises a quenching tank (1) filled with cooling liquid (2), wherein an inclined liquid floating device (3) is arranged in the quenching tank (1), one side of the inclined liquid floating device is arranged on the side wall of the quenching tank (1), the liquid floating device (3) comprises a table top (31) and a lower side wall (32), and the table top (31) and the lower side wall (32) form a closed box body (33); a group of spray holes (31 a) are arranged on the table board (31), the lower end of each spray hole (31 a) is connected with the inside of the box body (33), and the bottom of the box body (33) is connected with the first pump (5) through the liquid supply pipe (4). The utility model has the advantages that can be applicable to the tempering of the thin glass of large tracts of land flat board, avoid producing at the rapid cooling in-process and press from both sides trace or bending deformation, guaranteed glass's tempering quality, be favorable to the thermal row of rapid cooling to loose, heat exchange efficiency is high for the great thin glass of area evenly cools off, can realize serialization production moreover, has reduced energy consumption and cost.
Description
Technical Field
the utility model relates to a glass tempering technical field especially relates to a rapid cooling device for glass tempering.
background
the glass tempering method is that the glass is heated to the temperature required by tempering, and then is quenched, wherein the quenching mode mainly comprises air cooling and liquid cooling, for thin glass, the thermal capacity of air is small, the quenching strength is low, the tempering strength of the thin glass is difficult to ensure, the heat capacity of cooling liquid is large, and the quenching strength is high, so that the thin glass is tempered by adopting the liquid cooling mode in the prior art.
The existing liquid cooling device usually comprises a quenching tank, the quenching tank is a tank filled with cooling liquid, a heating mechanism is arranged above the quenching tank, thin glass enters the quenching tank after being heated to the temperature required by tempering, and is quenched by the cooling liquid to obtain tempered glass. There are two main ways of running glass in the above-mentioned quench tank:
One is that the glass is in a free-falling state in the cooling liquid,
The glass tempering furnace has the advantages that the upper end of the glass is clamped by the clamp in the heating mechanism to heat the glass, after the glass is heated to the temperature required by tempering, the clamp is loosened, the glass vertically falls into the quenching tank below in an upright state, and the glass tempering furnace has the defects that the glass is in an uncontrolled free falling state in cooling liquid, the motion track is fluctuated, the production is difficult to control, the glass easily touches the wall of the tank, and the glass collides with the bottom of the tank to cause damage and deformation. In addition, the clamps leave marks of pinch marks on the glass and high temperature glass sag, elongation and deformation.
The other is that the glass is in a static state in the cooling liquid,
the method comprises the following steps that a clamp in a heating mechanism is used for clamping the upper end of glass to heat the glass, when the glass is heated to the temperature required by tempering, the clamp clamps the glass to be immersed into cooling liquid, or the glass is vertically arranged in a basket of the heating mechanism to be heated and then is immersed into the cooling liquid along with the basket, and the defects that the glass is in a static state in quenching liquid, the quenching heat is not smoothly discharged, the influence on small-area glass is small, but large-area glass is easily cooled unevenly, the tempering stress distribution is uneven, and the glass is warped and deformed; the single glass is not greatly influenced, but the tempering strength of a plurality of pieces of glass is inconsistent because the basket is densely provided with a plurality of pieces of parallel glass; in addition, the heating mechanism can damage the glass, and the contact part of the glass and the clamp or the basket can deform, thereby influencing the appearance quality of the glass.
the existing quenching device is only suitable for small-area thin glass, such as glasses, optical instrument panels and the like, has large control difficulty, poor tempering quality and low yield, is difficult to realize industrial continuous production, and does not have a quenching device suitable for large-area flat thin glass tempering in the existing liquid cooling technology.
SUMMERY OF THE UTILITY MODEL
the utility model aims at solving the problem that the quenching device of current glass tempering can't be applicable to the thin glass of the flat board of large tracts of land, providing a quenching device for glass tempering, can be used for the liquid cooling tempering of the thin glass of large tracts of land flat board, not only be favorable to the thermal row of rapid cooling to loose, heat exchange efficiency is high for the great thin glass of area evenly cools off, can realize serialization production moreover, has reduced energy consumption and cost.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
The utility model provides a rapid cooling device for glass tempering, includes the rapid cooling groove that holds the coolant liquid, its characterized in that:
an inclined liquid floating device is arranged in the quenching tank, one side of the liquid floating device is arranged on the side wall of the quenching tank, so that the glass is in an inclined state and automatically drifts towards the lower end of the liquid floating device under the action of the inclined component force of the gravity of the glass;
The liquid floating device comprises a table board, a lower side wall and a box body, wherein the table board and the lower side wall are connected to form a closed box body, a group of spray holes are formed in the table board, the lower end of each spray hole is connected with the box body, the bottom of the box body is connected with a first pump through a liquid supply pipe, and therefore cooling liquid is sprayed out through the spray holes through the first pump, and glass is supported and is not in direct contact with the liquid floating device.
Preferably, the included angle alpha between the table surface of the liquid floating device and the horizontal direction is set to be 1 ~ 8 degrees.
Preferably, the spray holes are arranged perpendicular to the table top of the liquid floating device.
Preferably, the box body, the liquid supply pipe and the first pump are all arranged in the cooling liquid so as to draw the cooling liquid to realize cooling liquid circulation.
Preferably, a liquid storage bin is arranged above the liquid floating device, a group of downward liquid spraying nozzles are arranged below the liquid storage bin, the liquid storage bin is connected with a second pump through a pipeline, and the second pump is arranged in cooling liquid of the quenching tank, so that the flow of the cooling liquid on the upper surface of the glass is increased, and quenching balance of the upper surface and the lower surface is facilitated.
The cooling liquid is saline water, such as saline water or mixed saline water of potassium nitrate, potassium nitrite, sodium nitrate and sodium nitrite; or organic oil such as animal and vegetable oil, silicone oil; or mineral oils, such as engine oil, transformer oil, diesel oil; or a mixture of oil and water.
preferably, a heating mechanism is arranged above the quenching tank, the heating mechanism comprises an air-floating heating table, and the air-floating heating table inclines towards the direction of the quenching tank and is correspondingly connected with the table top.
And heating the glass on the air floatation heating table to 620 ~ 760 ℃, then entering a quenching tank along the table top, obliquely suspending in cooling liquid for liquid cooling, and obtaining the toughened glass.
The technical scheme of the utility model among, in the coolant liquid that gets into the quench tank along the liquid floating device through the dull and stereotyped thin glass after the high temperature treatment, held up by spun coolant liquid in the orifice from the liquid floating device simultaneously, made it not contact with the mesa, the glass of suspension is along the liquid floating device to the in-process of low drift by the coolant liquid quench to obtain toughened glass.
The utility model has the advantages that:
1) realizes lossless quenching, controllable conveying and uniform cooling
The utility model discloses a quenching device adopts the orifice to make thin glass suspend on the liquid floats the device, utilize the slope to make the glass of suspension under the slant component effect of self gravity, automatic eminence from the slope is to low drift, no external drive's autonomic directional transport has been realized, make glass at the quenching in-process, surface and base contactless any mechanical device, thin glass's surface quality and base quality have effectively been guaranteed, and simultaneously, glass is in the motion state in the coolant liquid, be favorable to the thermal row of rapid cooling to disperse, high heat exchange efficiency, it is even to enable the great thin glass cooling of area, be favorable to improving the tempering quality.
2) Realizes the industrialized continuous production
The utility model discloses a heating mechanism corresponds with the mesa of quench tank and is connected, and the thin glass after making the heating can be high-speed, harmless, get into quench liquid along the mesa coherently, can avoid heating mechanism to glass's harm, can make again the heating effectively link up with the twice process of rapid cooling, is favorable to realizing the industrialization continuous production of liquid cooling tempering method.
drawings
FIG. 1 is an assembly diagram of a quenching device for glass tempering according to the present invention;
fig. 2 is a partially enlarged view a of fig. 1.
Detailed Description
In order to make the present invention more clearly understood, the quenching device and the quenching method for glass tempering according to the present invention are further described below with reference to the attached drawings, and the specific embodiments described herein are only used for explaining the present invention, and are not used for limiting the present invention.
As shown in figure 1, a quenching device for glass tempering comprises a quenching tank 1 containing cooling liquid 2, and is characterized in that:
An inclined liquid floating device 3 is arranged in the quenching tank 1, the liquid floating device 3 comprises a table top 31, a lower side wall 32 and a closed box body 33 formed by connecting the table top 31 and the lower side wall 32, the included angle alpha between the table top 31 and the horizontal direction is set to be 5 degrees, one side of the liquid floating device 3 is arranged at the joint of the side wall of the quenching tank 1 and the liquid level of the cooling liquid 2, so that the glass is in an inclined state and automatically drifts towards the lower end of the liquid floating device under the action of the inclined component force of the gravity of the glass;
referring to fig. 1 and 2, a group of spray holes 31a perpendicular to the table surface 31 are formed in the table surface 31 of the liquid floating device 3, the lower end of each spray hole 31 is connected with a box body 33, the bottom of the box body 33 is connected with a first pump 5 through a liquid supply pipe 4, so that the cooling liquid 2 is sprayed out through the spray holes 31a by the first pump 5, and the glass is lifted up and is not in direct contact with the liquid floating device;
the box body 33, the liquid supply pipe 4 and the first pump 5 are all arranged in the cooling liquid 2 of the quenching tank 1 to pump the cooling liquid to realize cooling liquid circulation;
Liquid floating device 3's top is equipped with a stock solution storehouse 6, and 6 below in the stock solution storehouse is equipped with a set of nozzle and downwards faces glass 9's hydrojet mouth 6a, and stock solution storehouse 6 passes through pipeline 7 and links to each other with second pump 8, and second pump 8 is located in quench bath 1's coolant liquid 2 to increase the coolant liquid flow of glass upper surface, do benefit to the quench balance of upper and lower surface.
The cooling liquid 2 is saline water, such as saline water or mixed saline water of potassium nitrate, potassium nitrite, sodium nitrate and sodium nitrite; or organic oil such as animal and vegetable oil, silicone oil; or mineral oils, such as engine oil, transformer oil, diesel oil; or a mixture of oil and water.
1 top in quench groove is equipped with heating mechanism, heating mechanism includes air supporting warm table 10, and 1 direction slope in quench groove is towards air supporting warm table 10 to correspond with mesa 31 and be connected.
the air-floating heating table 10 is a conventional one, and may be a device that discharges heating gas through a small hole or a slit provided in a table surface to float and heat an object to be heated.
the utility model discloses in, dull and stereotyped thin glass 9 is heated to 620 ~ 760 ℃ on air supporting warm table 10, and the air supporting heating is prior art, and no longer give unnecessary details here, the utility model discloses set up the air supporting warm table towards quench tank slope, make glass after the heating rely on gravity to get into in the coolant liquid 2 along mesa 31, be held up by spun coolant liquid from orifice 31a simultaneously, make it not contact with mesa 31, the glass 9 of suspension is being followed the in-process that the liquid floated device 3 drifted to the low place and is quenched by coolant liquid 2 to obtain toughened glass, and the quenching of surface is balanced about glass, can not produce the wave bending.
The utility model discloses a harmless rapid cooling, controllable transport and even cooling, adopt the orifice to make thin glass suspend on the liquid floats the device, utilize the slope to make the glass of suspension under the slant component effect of self gravity, the automatic eminence from the slope is to the low drift, no external drive's autonomic directional transport has been realized, make glass at the rapid cooling in-process, can not touch the pool wall, surface and base do not contact any mechanical device yet, thin glass's surface quality and base quality have effectively been guaranteed, and simultaneously, glass is in the motion state in the coolant liquid, be favorable to the thermal row of rapid cooling to disperse, high heat exchange efficiency, it is even to enable the great thin glass cooling of area, be favorable to improving tempering quality.
The utility model discloses a heating mechanism corresponds with the mesa of quench tank and is connected, and the thin glass after making the heating can be high-speed, harmless, get into quench liquid along the mesa coherently, can avoid heating mechanism to glass's harm, can make again the heating effectively link up with the twice process of rapid cooling, is favorable to realizing the industrialization continuous production of liquid cooling tempering method.
Claims (7)
1. A quenching device for glass tempering comprises a quenching tank (1) filled with cooling liquid (2), and is characterized in that:
An inclined liquid floating device (3) is arranged in the quenching tank (1), one side of the inclined liquid floating device is arranged on the side wall of the quenching tank (1), the liquid floating device (3) comprises a table top (31) and a lower side wall (32), and the table top (31) and the lower side wall (32) are connected to form a closed box body (33);
A group of spray holes (31 a) are arranged on a table board (31) of the liquid floating device (3), the lower end of each spray hole (31 a) is connected with the inside of the box body (33), and the bottom of the box body (33) is connected with the first pump (5) through the liquid supply pipe (4).
2. A quench unit for glass tempering according to claim 1, characterized in that:
The included angle alpha between the table top (31) of the liquid floating device (3) and the horizontal direction is set to be 1 ~ 8 degrees.
3. A quenching apparatus for glass tempering according to claim 1 or 2, characterized in that:
The spray holes (31 a) are arranged perpendicular to the table top (31) of the liquid floating device (3).
4. a quenching apparatus for glass tempering according to claim 1 or 2, characterized in that:
The box body (33), the liquid supply pipe (4) and the first pump (5) are all arranged in the cooling liquid (2) of the quenching tank (1).
5. A quenching apparatus for glass tempering according to claim 1 or 2, characterized in that:
the liquid floating device is characterized in that a liquid storage bin (6) is arranged above the liquid floating device (3), a group of downward liquid spraying nozzles (6 a) are arranged below the liquid storage bin (6), the liquid storage bin (6) is connected with a second pump (8) through a pipeline (7), and the second pump (8) is arranged in cooling liquid (2) of the quenching tank (1).
6. A quenching apparatus for glass tempering according to claim 1 or 2, characterized in that:
The cooling liquid (2) is selected from saline, organic oil and a mixture of oil and water.
7. A quenching apparatus for glass tempering according to claim 1 or 2, characterized in that:
The quenching tank is characterized in that a heating mechanism is arranged above the quenching tank (1), the heating mechanism comprises an air floatation heating table (10), and the air floatation heating table (10) inclines towards the direction of the quenching tank (1) and is correspondingly connected with the table board (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920636487.0U CN209778644U (en) | 2019-05-06 | 2019-05-06 | Quenching device for glass tempering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920636487.0U CN209778644U (en) | 2019-05-06 | 2019-05-06 | Quenching device for glass tempering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209778644U true CN209778644U (en) | 2019-12-13 |
Family
ID=68805067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920636487.0U Active CN209778644U (en) | 2019-05-06 | 2019-05-06 | Quenching device for glass tempering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209778644U (en) |
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2019
- 2019-05-06 CN CN201920636487.0U patent/CN209778644U/en active Active
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