WO2011040698A1

WO2011040698A1 - Apparatus for tempering flat glass

Info

Publication number: WO2011040698A1
Application number: PCT/KR2010/004414
Authority: WO
Inventors: 김관식; 노은자; 신재은; 양태수
Original assignee: Kim Gwan Shig; Nho Eun Ja; Sin Jae Eun; Yang Tae Su
Priority date: 2009-09-30
Filing date: 2010-07-07
Publication date: 2011-04-07
Also published as: CN102753495B; IN2012DN02518A; KR100937225B1; CN102753495A

Abstract

The present invention relates to an apparatus for tempering flat glass, and more particularly, to an apparatus for tempering flat glass, comprising: a preheating unit for preheating the flat glass placed in a transfer frame; a heating unit for heating the preheated flat glass; an annealing unit for annealing the heated flat glass; and a washing unit for washing the annealed flat glass, wherein the heating unit and the washing unit are arranged in parallel to each other, and wherein: both the heating unit and the washing unit are formed into a box shape with an inlet and an outlet; the preheating unit and the annealing unit are arranged so as to be movable along a guide, wherein both the preheating unit and the annealing unit are formed into a box shape with an inlet and an outlet, and a rail and the guide are arranged in a horizontal direction below the preheating unit and the annealing unit; an open/shut door is arranged so as to be movable along the rail to selectively open/shut each inlet or outlet of the heating unit, of the preheating unit, and of the annealing unit; and a feed space is formed outside the heating unit and a discharge space is formed outside the washing unit, thereby improving the utilization of space, reducing real estate costs and defects, and improving productivity.

Description

Plate glass strengthening device

The present invention relates to a plate glass reinforcing device, and more specifically, a plate glass reinforcing device to improve space utilization and plate glass productivity by arranging a large structure constituted by each process in a multi-layered structure in order to heat-harden and reinforce a large plate glass. It is about.

Generally, in order to strengthen the strength by heat-treating the plate glass, the plate glass is sequentially heated in the preheating unit (C), the heating unit (A) and the slow cooling unit (D), and then immersed in the water tank (B1) of the washing unit (B) to wash it. After taking out and drying the water in the drying unit to perform a series of processes sequentially discharged.

Therefore, the conventional glass reinforcing device is arranged in a row in series of structures necessary to perform each process, such as preheating (C), heating (A), slow cooling (D), washing (B), drying unit Done.

However, in recent years, as the size of products using plate glass has increased, the size of the structure constituting the plate glass reinforcing device to heat-treat the large plate glass is increasing.

Therefore, in order to arrange each structure of the large-size glass-reinforced devices in a row in a factory, a large factory area is required, which not only increases the real estate cost for securing the factory site but also has a much longer installation space than the width. Since there is a need for efficient space utilization inside the factory also had a problem.

In addition, as the plate glass reinforcement device is gradually enlarged, the conveying distance for the heat treatment of the large plate glass is also gradually increased. The transport frame is transported for each process by using a traction device installed on a moving trolley moving along a rail installed at the top of the factory.

However, when the transfer frame equipped with a plurality of plate glass is transferred using a moving cart, vibrations are generated by dust or various foreign substances on the rail in the process of moving the moving cart along the rail in the horizontal direction. It is easily transmitted to the plate glass through the plate glass transfer frame, and the plate glass is shocked by vibration.

The impact caused by vibration causes plate glass damage such as cracking of the plate glass or broken edges. Consequently, productivity is lowered due to an increase in defect rate of the plate glass during heat treatment of the plate glass using a plate glass reinforcing device. There was a problem to be raised.

Therefore, there is an urgent need for a device that can lower the defect rate of the plate glass by minimizing the occurrence of vibration in the process of transferring the transfer frame mounted on the plate glass in the plate glass reinforcement device.

The present invention has been made in order to solve the above-mentioned conventional problems, the purpose is to efficiently arrange each process constituting the plate glass reinforcement device to improve the space utilization.

In addition, another object of the present invention is to minimize the transport distance of the plate glass in the process of performing the entire process for heat treatment of the plate glass to prevent damage to the plate glass.

In order to achieve the above object, the present invention provides a preheating unit (C) for preheating the plate glass mounted on the transfer frame (H), a heating unit (A) for heating the preheated plate glass to a set temperature, and the plate glass heated to a high temperature. In the plate glass reinforcing device consisting of a slow cooling unit (D) for slow cooling to low temperature, and a washing unit (B) for washing the slow cooled plate glass,

The heating unit (A) and the washing unit (B) is formed in a box shape with a doorway formed at the top thereof and arranged side by side on the first floor,

Rail (I) and guide (J) are installed horizontally on the first floor so that the preheating part (C) and slow cooling part (D) formed in a box shape having an entrance at the lower part can move along the guide (J). Placed on the floor,

An opening and closing door E moving along the rail I may be installed between the first and second floors to selectively open and close each entrance of the heating part A, the preheating part C, and the slow cooling part D. Install it,

The supply space portion (F) is formed on the outside of the heating portion (A), and the discharge space portion (G) is formed on the outside of the washing portion (B).

On the other hand, the preheating unit (C) and the slow cooling unit (D) is installed on the upper hooks (C2, D1) by lifting the traction device (C1, D1) by installing the traction device (C1, D1), Both side surfaces include guide blocks C3 and D3 mounted on the guide J to be movable along the guide J horizontally installed on the first floor.

In addition, the hooks (C2, D2) has an opening (C2a) is formed on one side, the height of the opening (C2a) includes a larger than the outer diameter of the locking bar (H1) formed on the upper transfer frame (H1).

As described above, the present invention has the advantage of not only improving the space utilization but also reducing the cost of purchasing a real estate by reducing the installation area by efficiently arranging a large number of large structures constituting the plate glass reinforcing device in a small area. There is this.

In addition, by shortening the horizontal transport distance of the plate glass to perform the heat treatment process, there is an advantage that can reduce the damage rate of the plate glass due to the vibration impact generated in the plate glass transfer process to lower the defective rate, and improve the productivity.

1 is a side cross-sectional view showing a configuration according to a preferred embodiment of the present invention

Figure 2 is a front cross-sectional view showing the configuration of the preheating unit and the heating unit of the present invention

Figure 3 is a side cross-sectional view showing a configuration according to another embodiment of the present invention.

Figure 4 is an exemplary view showing another embodiment of the present invention.

Referring to the accompanying drawings, preferred embodiments of the present invention are as follows.

1 is a side cross-sectional view showing a configuration according to a preferred embodiment of the present invention as shown in the drawings the present invention is the supply space (F) and heating (A) and washing (B) and the discharge The space part G is arranged in a row on the first floor, and the preheating part C and the slow cooling part D are arranged on the second floor so as to be movable along the guide J installed horizontally on the first floor. An opening and closing door (E) is installed between the floor and the second floor so as to be movable along the rail (I) horizontally installed on the first floor, and the opening and closing door (E) is the preheating part (C), the heating part (A), and the slow cooling part. (D) is configured to selectively open and close the doorway as described in more detail the main components as follows.

First, the supply space (F) of the present invention disposed on the first floor is a space formed on the outside of the heating unit (A), the loading of the moving platform to load and move the transfer frame (H) mounted through a plurality of plate glass is made immediately It is formed into an empty space with no surrounding obstacles.

Heating portion (A) of the present invention is composed of a box-shaped opening formed in the upper portion and it will be preferable to insulate the walls and the bottom surface of the four sides for effective heat treatment and heat insulation.

In addition, a heating means is installed on the inner wall, but the drawing of the present invention shows an electric heater installed, but not limited thereto, and is a heating means capable of heating at a temperature of 400 ° C. or higher, which is required for heat treatment of plate glass. If it is excellent, and does not generate a flame or wind, it is clear that any kind of heating means can be used in advance.

The washing unit (B) of the present invention is formed in a box-shaped opening formed in the upper portion and a reservoir (B1) is installed inside the reservoir (B1) to form a water supply and drain holes to enable the supply and discharge of the washing water and In addition, the supply device for supplying the washing water is formed separately on the outside of the washing unit (B), and the supply device is omitted because it does not show a specific drawing because the feed pump structure is generally used for water supply.

Discharge space portion (G) of the present invention is a space formed on the outside of the washing portion (B) of the moving table for loading and discharging the transport frame (H) mounted through a plurality of plate glass, similar to the supply space (F) It is formed into an empty space without surrounding obstacles so that input can be made immediately.

On the other hand, the guide (J) is installed horizontally on the first floor, the preheating unit (C) and the slow cooling unit (D) formed in a box shape having an entrance at the bottom thereof are guided on both sides so as to be movable along the guide (J). Blocks C3 and D3 are installed on the second floor to be seated on the guide J.

At this time, the preheating unit (C) and the slow cooling unit (D) is provided with a heating means on the inner wall, as in the heating unit (A). In addition, as a heating means that can be heated to the temperature required to heat the plate glass above 400 ℃ excellent energy efficiency, if the flame or wind does not occur, any kind of heating means can be used in advance.

In addition, the preheating unit C and the slow cooling unit D have a plurality of hooks C2 and D2 installed therein by installing the towing apparatuses C1 and D1 at the top thereof, thereby elevating the hooks C2 and D2. Hook the hooks (C2, D2) on the hanging bar (H1) on the top of the transfer frame (H) mounted on the plate glass, and can be elevated up and down using the traction device (C1, D1), as well as the transfer frame (H) In the towed state, the preheating part (C) and the slow cooling part (D) respectively move forward and backward to serve to transfer the transport frame (H).

On the other hand, between the first floor and the second floor by installing the rail (I) horizontally to move along the rail (I) by installing the opening and closing door (E) with wheels (E1) on both sides, the opening and closing door (E) It is possible to selectively open and close each entrance of the heating unit (A), the preheating unit (C) and the slow cooling unit (D) by moving the inside of the heating unit (A), the preheating unit (C), and the slow cooling unit (D). In order to prevent heat loss during heating of the plate glass by the heating means operating in and to ensure thermal insulation, the opening and closing door (E) will also be preferable to heat treatment.

When the heat treatment process of the plate glass according to the present invention configured as described above in sequence.

First, when a moving table loaded with a transfer frame (H) mounted on a plurality of plate glass is introduced into the supply space (F), the hook (C2) located inside the preheating unit (C) is lowered to transfer the hook (C2) to the transfer frame. After fixing to the (H) and towing the transport frame (H) vertically by using a traction device (C1) is positioned inside the preheating (C).

Subsequently, the opening / closing door E moving along the rail I is moved toward the entrance of the preheating part C to close the entrance of the preheating part C, and then preheated the glass plate using the heating means installed inside the preheating part C. Preheating conditions are to heat the plate glass for 1 hour at a temperature of 250 ~ 350 ℃.

When the plate glass preheating in the preheating unit C is completed, the preheating unit C is horizontally moved along the guide J and positioned at the upper portion of the heating unit A, and then, using the traction device C1, the transfer frame H To lower the vertically and seat the transfer frame (H) in the heating unit (A), and then remove the hook (C2) from the transfer frame (H) and pulled up inside the preheating unit (C) after the preheating unit (C) guide It returns to the original position along (J).

At this time, in order to remove the hook (C2) hanging on the locking bar (H1) of the transfer frame (H1) from the locking rod (H1) as shown in Figure 3, the holding rod (H1) of the transfer frame (H) The hook-shaped hook C2 hanging on the hook C2 is continuously lowered even after the transport frame H is seated on the inner bottom of the heating part A, so that the center of the opening C2a of the hook C2 and the hook rod H1 After matching the height of the center portion, if the traction device C1 is installed, the preheating part C is further moved forward and the hook C2 is caught by the opening part C2a of the hook C2 as shown in the drawing. Detaching from the hook (C2) is made, and the hook (C2) removed from the locking rod (H1) is raised to the original position by the traction device (C1).

Subsequently, the opening / closing door E moves to the entrance of the heating part A to close the entrance of the heating part A, and then heats the glass plate using the heating means installed inside the heating part A. The heating condition is 350 to 400 The pane is heated for 1 hour at a temperature of < RTI ID = 0.0 >

When the heating in the heating unit (A) is completed as described above, the opening and closing door (E) moves toward the washing unit (B) and at the same time the slow cooling unit (D) moves to the upper portion of the heating unit (A), the traction device (D1) Lower the hook (D2) by using the transfer frame (H) inside the heating portion (A) is to be vertically pulled into the slow cooling (D) inside.

Thus, when the transfer frame (H) is located inside the slow cooling unit (D), the slow cooling unit (D) moves to the upper part of the washing unit (B), so that the slow cooling unit (D) is opened and closed by the door (E) located above the washing unit (B). The entrance to the house is closed.

When the entrance of the slow cooling unit (D) is closed, the slow cooling of the plate glass is made inside the slow cooling unit (D). The slow cooling condition is 400 at the heating unit (A) by heating the plate glass at a temperature of 200 to 250 ° C. for 1 hour. The temperature of the plate glass, which has been heated to ℃, is gradually dropped.

After the slow cooling is performed in the slow cooling unit (D) as described above, by moving the opening and closing door (E) blocking the entrance of the slow cooling unit (D) to the discharge space (G) and the plate glass is mounted using the traction device (D1) Lowering the transfer frame (H) is to be submerged in the reservoir (B1) of the washing portion (B).

When the slow cooled plate glass is immersed in the water storage tank (B1) of the washing section (B) and taken out, washing is performed on the potassium nitrate or various foreign substances remaining on the surface of the glass plate. It is not known in advance.

When the cleaning in the washing unit (B) is completed as described above, by using the traction device (D1) of the slow cooling unit (D) located in the upper portion of the washing unit (B) to pull the transfer frame (H) vertically again slow cooling unit (D) ) After positioning the inside of the slow cooling unit (D) is moved to the upper portion of the discharge space (G), because the opening and closing door (E) is located on the upper portion of the discharge space (G), the slow cooling unit (D) is discharge space portion The entrance and exit of the slow cooling part D is automatically closed as it moves to the upper part of (G).

Thus, when the entrance and exit of the slow cooling unit (D) is closed, the plate glass located inside the slow cooling unit (D) is heated using the heating means installed in the slow cooling unit (D) to be deposited on the surface of the plate glass during the cleaning process in the washing unit (B). It will completely remove moisture.

When the water removal from the slow cooling unit (D) is completed as described above, the opening and closing door (E) blocking the entrance and exit of the slow cooling unit (D) is moved to the preheating unit (C) to pull another transfer frame (H) is located inside Block the entrance and exit of the preheating unit (C), and vertically lower the transfer frame (H) to the discharge space (G) located below the slow cooling unit (D) by using the traction device (D1) of the slow cooling unit (D). The heat treatment for the plate glass is completed by loading the product back into the mobile unit located in the discharge space G and moving directly to the factory where the product is taken out.

On the other hand, Figure 4 is a view showing another embodiment of the present invention as shown in the supply space (F) and the discharge space (G) transfer frame instead of the transfer frame (H) directly loaded into the transfer frame As the conveyor (H) can be loaded and installed, the conveyor can be installed to facilitate the automation of the factory, thereby reducing labor costs and improving productivity.

In addition, in the present invention, when the preheating unit (D) and the slow cooling unit (D) is moved by using external power, the heavy body is preferable to drive by using a chain or wire wire, and the position must be stopped because it must stop at the correct position. It would be desirable to have a sensor to confirm.

In addition, as described above, the matters related to power transmission, such as moving a weight body such as a preheating unit (D) or a slow cooling unit (D) by using a chain, are well known in the art, and thus, a detailed description thereof and illustration of the drawings will be omitted. do.

Claims

A preheating unit (C) for preheating the plate glass mounted on the transfer frame (H), a heating unit (A) for heating the preheated plate glass to a set temperature, and a slow cooling unit (D) for slowly cooling the plate glass heated to a high temperature at a low temperature. And, in the plate glass strengthening device consisting of a washing unit (B) for washing the slow cooled plate glass,

The heating unit (A) and the washing unit (B) is formed in a box shape with a doorway formed at the top thereof and arranged side by side on the first floor,

Rail (I) and guide (J) are installed horizontally on the first floor so that the preheating part (C) and slow cooling part (D) formed in a box shape having an entrance at the lower part can move along the guide (J). Placed on the floor,

An opening and closing door E moving along the rail I may be installed between the first and second floors to selectively open and close each entrance of the heating part A, the preheating part C, and the slow cooling part D. Install it,

A plate glass reinforcing device having a configuration in which a supply space portion (F) is formed outside the heating portion (A), and a discharge space portion (G) is formed outside the washing portion (B).
The method of claim 1, wherein the preheating unit (C) and the slow cooling unit (D) is provided with towing devices (C1, D1) to the upper and lower hooks (C2, D2) to be elevated by the towing devices (C1, D1) therein. It is installed, both sides of the glass pane strengthening device comprising a configuration in which the guide block (C3, D3) is mounted on the upper guide (J) to move along the guide (J) horizontally installed on the upper floor.
The method according to claim 2, The hook (C2, D2) is formed on one side of the opening portion (C2a) and the height of the opening portion (C2a) is formed larger than the outer diameter of the locking rod (H1) formed on the upper transfer frame (H1) Plate glass strengthening device including one.