KR200432508Y1 - Tempered glass manufacturing apparatus of display window - Google Patents

Abstract

The present invention relates to an apparatus for manufacturing tempered glass for a display window, wherein the overall configuration conveyed by the mobile unit is automatically passed through the preheating furnace and the salt bath, the slow cooling furnace, the hot water furnace, the hot water furnace and the drying furnace by the transfer unit. The present invention relates to an apparatus for manufacturing tempered glass for a display window, which can produce tempered glass having a certain strength, thickness, and transmittance of tempered glass.

The present invention consists of a large eight bar, when the glass is introduced into the preheating furnace 10 to maintain the temperature for 30 minutes to 120 minutes after the temperature is raised to a temperature of 380 ℃ to 500 ℃, the preheated The original glass was immersed in a potassium nitrate solution heated at 450 ° C. for 4 to 6 hours, and the salt bath 20 was made to be strengthened by ion substitution, and the original glass was slowly cooled down to 100 ° C. to reduce stress. The slow cooling furnace 30 to remove, the hot water path 40 which wash | cleans the said slow-cooled original glass because the inside has hot water internally, and the hot water in it are internally wash | cleans the said washed original glass again with hot water A hydrothermal furnace 50 for drying, a drying furnace 60 for drying the glass cleaned with the hot water with hot air, a mobile unit 70 for automatically conveying the tempered glass in the form of a conveyor, and all of the above fair It consists of a conveying unit 80 which moves in the vertical and horizontal directions at the top of each device so as to be performed automatically, and has an approximate configuration in which chemical strengthening of the glass is made automatically.

The present invention configured as described above, the rack inherent in the original glass is moved sequentially through the transfer unit, the original glass is heated in a preheating furnace, then reinforced through ion substitution in a salt bath, it is gradually cooled in a slow cooling furnace After removing the residual stress, the glass is put into the hot water furnace and the hot water furnace in order to clean it, and the cleaned glass is dried and then transported to the mobile unit to produce tempered glass having a strength suitable for use as a tempered glass for display windows. In addition, since all processes are made automatically, the defect rate can be minimized with uniform quality, and the safety of the worker can be guaranteed.

Cell phone, tempered glass, preheating furnace, salt bath, slow cooling furnace, hot water furnace, hot water furnace, drying furnace

Description

Equipment for manufacturing tempered glass for display window {TEMPERED GLASS MANUFACTURING APPARATUS OF DISPLAY WINDOW}

1 is a plan view of the present invention

2 is a front view of the present invention

3 is a side view of the present invention

4 is a front view of the present invention operating state

[Description of Code for Major Parts of Drawing]

10: preheating 20: dyeing

30: slow cooling furnace 40: hot water furnace

50: hydrothermal furnace 60: drying furnace

70: transfer unit 80: transfer unit

81: transfer rail 82: motor

83: reducer 84: thermal box

90: rack

The present invention relates to an apparatus for manufacturing tempered glass for display windows, and in more detail, using a thin glass of soda lime silica series, reinforcing external display windows of portable electronic devices such as mobile phones, navigation devices, MP3, and household electronic devices. The present invention relates to an apparatus for manufacturing glass, which comprises a preheating furnace, a salt bath, a slow cooling furnace, a hot water furnace, a hydrothermal furnace, and a drying furnace, which are sequentially carried by a transfer unit, and then the overall configuration of the glass is automatically transferred. The present invention relates to an apparatus for manufacturing tempered glass for display windows, which can produce tempered glass having a certain strength, thickness, and transmittance.

In general, the tempered glass is divided into physical strengthening and chemical strengthening. In general, the physical strengthening of the glass is performed by quenching the glass by heating the glass at a temperature of 550 ° C to 700 ° C using a glass having a thickness of 5 mm or more. It is mainly used for tempered glass doors, automotive glass and so on.

On the other hand, chemical strengthening is soaked in the KNO ₃ solution at 450 ℃ for 3 hours using ordinary soda-lime silica-based thin glass, by replacing the NA ⁺ ions in the soda-lime silica glass and K ⁺ ions in the KNO ₃ solution By strengthening the glass, this method is mainly used to strengthen thin glass of 2.0 mm or less.

Existing tempered glass manufacturing technology is generally made on a small scale, and the production apparatus is also made by hand, producing and manufacturing tempered glass mainly used for watch glass.

Since the manufacturing of tempered glass proceeds with a small amount of manual work, it is impossible to obtain uniformity of the quality of the tempered glass manufactured, excessive generation of defective products occurs during manufacturing, and the worker who works is exposed to danger. By doing so, the problem was that the big and small accidents occur frequently.

The present invention has been devised in view of the above problems, and the original glass is sequentially moved through the transfer unit, but the original glass is heated in a preheating furnace, and then strengthened by ion substitution in a salt bath, and this is a slow cooling furnace. The glass is gradually cooled to remove residual stress, and then the glass is poured into hot water and hot water channels in order to clean it, and then the cleaned glass is dried and then transported to a mobile unit. It can be manufactured and all processes are made automatically so that the defect rate can be minimized with uniform quality, and the safety of the worker is ensured.

The present invention relates to an apparatus for manufacturing tempered glass for a display window, wherein the overall configuration conveyed by the mobile unit is automatically passed through the preheating furnace and the salt bath, the slow cooling furnace, the hot water furnace, the hot water furnace and the drying furnace by the transfer unit. The present invention relates to an apparatus for manufacturing tempered glass for a display window, which can produce tempered glass having a certain strength, thickness, and transmittance of tempered glass.

The present invention consists of a large eight bar, when the glass is introduced into the preheating furnace 10 to maintain the temperature for 30 minutes to 120 minutes after the temperature is raised to a temperature of 380 ℃ to 500 ℃, the preheated The original glass was immersed in a potassium nitrate solution heated at 450 ° C. for 4 to 6 hours, and the salt bath 20 was made to be strengthened by ion substitution, and the original glass was slowly cooled down to 100 ° C. to reduce stress. The slow cooling furnace 30 to remove, the hot water path 40 which wash | cleans the said slow-cooled original glass because the inside has hot water internally, and the hot water in it are internally wash | cleans the said washed original glass again with hot water A hydrothermal furnace 50 for drying, a drying furnace 60 for drying the glass cleaned with the hot water with hot air, a mobile unit 70 for automatically conveying the tempered glass in the form of a conveyor, and all of the above fair It consists of a conveying unit 80 which moves in the vertical and horizontal directions at the top of each device so as to be performed automatically, and has an approximate configuration in which chemical strengthening of the glass is made automatically.

Hereinafter, described in detail with reference to the accompanying drawings of the present invention.

First, look at the manufacturing step of the tempered glass used in the present invention, after completing the process of cutting the original glass to the shape and size using a cutter after the flattening process, remove the glass powder or foreign matter on the cut product After completion of the first cleaning process, and using a grinding machine to cut the product cut to the size and shape, and then chamfered up and down C, and then to the second cleaning process to remove the glass powder or abrasive powder on the polished product Upon completion, after drying the cleaned original glass to strengthen the product, the device of the present invention is used.

Figure 1 shows a plan view of the subject innovation, Figure 2 shows a front view of the subject innovation, Figure 3 shows a side view of the subject innovation, Figure 4 shows a front view of the subject innovation operation state, the present invention Looking at the preheating furnace 10 to be used, it is formed in the form of a conventional heating furnace formed in a cuboid shape, when the rack 90 is embedded in the pre-heating furnace 10 by the transfer unit 80 , After raising the temperature from about 25 ℃ to a high temperature of 380 ℃ to 500 ℃ and maintain the temperature for 30 minutes to 120 minutes, and after a certain time when the signal is transmitted to the transfer unit 80 by the PLC Program , From the preheating furnace 10 is configured to withdraw the rack 90 in which the disc glass is embedded.

The rack 90 drawn out from the preheating furnace 10 is transferred to the upper portion of the salt bath 20 adjacent thereto by the transfer unit 80, and the salt bath 20 is in the form of a conventional water tank in the form of a rectangular parallelepiped. In the interior of the salt bath 20, calcium nitrate solution (KNO ₃ ) is embedded, and after heating the potassium nitrate solution at 450 ° C., the rack 90 having the original glass embedded therein for 4 to 6 hours. If soaked, strengthening is achieved by ion substitution.

In other words, when the rack 90 containing the original glass is immersed in the potassium nitrate solution contained in the salt bath 20, the sodium (Na +) ions on the surface of the original glass and potassium (K +) ions of the potassium nitrate solution As the ions are replaced with each other, small ions (sodium ions: atomic size 0.98 kPa) distributed on the glass surface are released and large ions (potassium ions: atomic size 1.33 kPa) in the potassium nitrate solution enter the place. The compressive stress layer is formed on the glass surface to form tempered glass having a large surface density.

When a signal is transmitted to the transfer unit 80 by a PLC program after a predetermined time in the inside of the dye bath (20), it is configured to withdraw the rack 90 embedded in the original glass from the dye bath (20).

The rack 90 drawn from the dye bath 20 is transferred to the upper portion of the slow cooling furnace 30 adjacent thereto by the transfer unit 80, and the slow cooling furnace 30 is a conventional heating furnace formed in a rectangular parallelepiped form. In the form, the internal temperature of the slow cooling furnace 30 is preheated to 200-400 degreeC through the heating medium with which the slow cooling furnace 30 was equipped.

When the rack 90 containing the disc glass is introduced into the preheated slow cooling furnace 30, the temperature of the slow cooling furnace 30 is gradually lowered over an hour at a temperature of 200 ° C. to 400 ° C. By reaching 100 degreeC, it is comprised so that the heated original glass may be cooled slowly.

By slow-cooling the original glass heated through the slow cooling furnace 30, a deformation | transformation does not generate | occur | produce in the original glass and it has a structure which removes the stress which remains in the original glass.

After a predetermined time has elapsed in the slow cooling furnace 30, when a signal is transmitted to the transfer unit 80 by a PLC program, the slow cooling furnace 30 is configured to withdraw the rack 90 containing the original glass.

The rack 90 drawn out from the slow cooling furnace 30 is transferred to the upper portion of the hot water passage 40 adjacent thereto by the transfer unit 80, and the hot water passage 40 is formed in the form of a conventional water tank. The inside of the hot water furnace 40 has a configuration in which hot water at about 80 ° C. is embedded to clean foreign matter deposited on the original glass.

Inject the thin plate glass embedded in the rack 90 into the hot water furnace 40 to be cleaned for about 20 to 40 minutes, and to clean the dust of the potassium nitrate solution deposited on the rack 90 or jig as well as the original glass. It is made up all the time.

After a predetermined time has elapsed in the inside of the hot water path 40, when a signal is transmitted to the transfer unit 80 by the PLC program, the rack 90 having the disc glass embedded therein is drawn out from the hot water path 40.

The rack 90 drawn out from the hot water passage 40 is transferred to the upper portion of the hydrothermal passage 50 adjacent thereto by the transfer unit 80, and the hydrothermal passage 50 is formed in a rectangular parallelepiped form. The inside of the hydrothermal furnace 50 has a configuration in which hot water of about 90 ° C. or more is embedded to clean the foreign matter on the original glass once more.

The hot water reactor 50 is cleaned for 20 to 40 minutes, and when the cleaning is completed, when a signal is transmitted to the transfer unit 80 by the PLC program, the rack 90 having the original glass embedded in the hot water reactor 50 is removed. Configured to withdraw.

The rack 90 drawn out from the hydrothermal furnace 50 is transferred to the upper portion of the drying furnace 60 adjacent thereto by the transfer unit 80, the drying furnace 60 is a conventional drying furnace formed in the form of a rectangular parallelepiped. In the form, the interior of the drying furnace 60 has a configuration that allows the heat generating device to be dried through hot air of about 80 ℃.

The drying furnace 60 serves to completely dry the thin glass that has been cleaned so that the product can be completely dried by supplying hot air for about 20 minutes, and when the drying is complete, a signal is transmitted by the PLC program to the transfer unit ( When delivered to the 80, it is configured to withdraw the rack 90, the disc glass is embedded from the drying furnace 60 and placed in the mobile unit 70 to be described later.

The mobile unit 70 is to carry the tempered glass produced as described above, is made in the form of a conveyor belt to transport the completed chemically strengthened glass configuration to facilitate the recovery of the finished tempered glass Have

Meanwhile, the preheating furnace 10 and the salt bath 20, the slow cooling furnace 30, the hot water furnace 40, the hot water reactor 50, and the drying furnace 60, which are various apparatuses for manufacturing the tempered glass, may be used. The conveying rail 81 and the conveying unit 80 are formed, and it is comprised so that the rack 90 in which the disc glass may be built-in in each apparatus can be sequentially inputted and withdrawn.

The transfer unit 80 is provided with a motor 82 and a reducer 83 to move in a vertical direction and a horizontal direction, respectively, so that the transfer unit 80 operates according to the forward and reverse rotation of the motor. 80 has a configuration in which the thermal insulation box 84 is provided to reduce the temperature variation.

On the other hand, the rack 90 is a frame made in the form of a rectangular parallelepiped configured to load the disc glass, the jig is formed therein is configured to be able to transport about 900 disc glass at a time.

The present invention configured as described above, the rack inherent in the original glass is moved sequentially through the transfer unit, the original glass is heated in a preheating furnace, then reinforced through ion substitution in a salt bath, it is gradually cooled in a slow cooling furnace After the residual stress is removed, the glass is poured into the hot water and the hot water furnace in order to clean it, and the cleaned glass is dried and transported to the mobile unit to produce tempered glass having a strength suitable for use as a tempered glass for display windows. And, because all processes are made automatically, it is possible to minimize the defective rate with a uniform quality, there is an effect that can ensure the safety of the operator.

Claims (3)

In the manufacturing apparatus of the tempered glass for display window, It is formed in the form of a heating furnace formed in the form of a rectangular parallelepiped preheating furnace 10 to maintain the temperature for 30 minutes to 120 minutes after the plate glass is introduced into the temperature of 380 ℃ to 500 ℃, Formed in the form of a water tank formed in a rectangular parallelepiped, the pre-heated primary glass soaked in potassium nitrate solution heated to 450 ℃ for 4 to 6 hours to be strengthened by ion substitution, and 20, Slow cooling furnace 30 is formed in the form of a heating cube formed in the form of a rectangular parallelepiped to remove the stress by slowly cooling the finished glass to reach 100 ℃, It is formed in the form of a water tank formed in the form of a rectangular parallelepiped, the hot water furnace 40 to clean the slow-cooled disk glass is embedded in the hot water, It is formed in the form of a water tank formed in a rectangular parallelepiped, the hot water path (50) for cleaning the washed original glass with hot water is embedded therein, Drying furnace 60 for drying the glass washed with hot water with hot air, The mobile unit 70 for automatically transporting the tempered glass is completed in the form of a conveyor, It consists of a transfer unit 80 that moves in the vertical and horizontal direction at the top of each device so that all the above process is performed automatically, Apparatus for producing tempered glass for display window, characterized in that the chemical strengthening of the original glass is made automatically. The method of claim 1, The transfer unit 80 is operated along a transfer rail 81 installed at the top of each device, and is operated in the vertical and horizontal directions according to the forward and reverse rotation of the reducer 83 coupled with the motor 82, and the temperature during transfer. Apparatus for manufacturing tempered glass for display window, characterized in that the insulating box 84 is provided to reduce the deviation. The method of claim 1, The disc glass to be transferred to each device is conveyed through a rack 90 made of a rectangular parallelepiped using a frame, and a jig is installed in a horizontal direction inside the rack 90 to load the disc glass at once. Apparatus for producing tempered glass for display window, characterized in that to enable.

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