KR101985967B1 - Jig for loading plate glass for tempered glass manufacturing equipment capable of preventing shaking - Google Patents

Abstract

The present invention relates to a jig for loading a plate glass for a tempered glass manufacturing apparatus capable of preventing shaking, which can stably transfer a plate glass in a tempered glass manufacturing apparatus since damage to the plate glass caused by shaking of a jig can be prevented by preventing generation of shaking of the jig due to the difference in height between a plurality of hanging units when the plate glass required with reinforcement is lifted to a lifting hanging unit of a jig transfer unit in the tempered glass manufacturing apparatus which can be chemically reinforced. To this end, the jig for loading a plate glass has a rectangular frame structure including a plurality of upper and lower plate frames used for loading a plate glass in a tempered glass manufacturing apparatus for reinforcing a glass by being sequentially transferred to a preheating tank, a reinforcing tank, a slow cooling tank, and a water cooling tank, and a plurality of side plate frames for vertically connecting the upper and lower plate frames. The upper frames include an outer frame for forming an outer edge of the jig and a connection frame for reinforcing a gap between the outer frames in a horizontal or vertical direction. Also, a hanger to which a lifting hanging unit of a jig transfer unit is fastened, is coupled to extent to the connection frame at a certain point thereof. The hanger includes: a guide block coupled to a lower side of the connection frame, and having an accommodation space formed at the center thereof; an elastic unit accommodated in the guide block, and fixed to the connection frame; and a fastening block accommodated inside the guide block, fixed to a lower end part of the elastic unit, and having the lifting hanging unit fastened thereto.

Description

Jig for loading plate glass for tempered glass manufacturing equipment capable of preventing shaking}

The present invention relates to a plate glass stacking jig for a tempered glass manufacturing apparatus capable of shaking, and more particularly, a plurality of hooks when lifting the plate glass that needs to be strengthened to the lifting hook part of the jig transfer unit in the tempered glass manufacturing apparatus capable of chemically strengthening. By preventing jig from occurring due to the difference in height between parts, it is possible to prevent breakage of the plate glass due to jig shaking, so that the glass can be stably transferred in the tempered glass manufacturing apparatus. It relates to a plate glass loading jig.

Generally, tempered glass is widely used as a screen of a display device, and in order to manufacture tempered glass having excellent hardness and strength, a tempered glass is required.

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 to strengthen the glass by substituting the sodium ions contained in the glass and the potassium ions in the potassium nitrate solution by immersing the thin glass in the tempered furnace containing the potassium nitrate solution at 450 ° C. for at least 3 hours. It is used to strengthen thin glass below 2.0mm.

Recently, as a result of ion exchange by containing a small amount of molten stone salt in the melt containing molten potassium salt, a production apparatus capable of producing tempered glass by promoting the ion exchange reaction rate of sodium ions and potassium ions on the glass surface layer has been developed. It is proposed.

1 is a perspective view of a tempered glass manufacturing apparatus for producing a tempered glass chemically using such a potassium nitrate solution.

The guide frame is installed in parallel to the main frame 1 and the upper left and right sides and the rack gear 11 for transmitting power. The loading robot 2 and the unloading robot 3 are installed along the guide rail 11. A plurality of glass-mounted racks 12 are sequentially transferred in the horizontal direction to transfer the preheating tank 4, the reinforcing tank 5, the slow cooling tank 6, the hot water tank 7, and the hot water tank 8 to transfer the glass. It is a tempered glass manufacturing apparatus for carrying out tempered processing and carrying out the rack 12 equipped with the finished tempered glass to the outside, and is provided with a control box 13 for overall management of the tempered glass manufacturing apparatus.

As described above, the tempered glass manufacturing apparatus is installed in the main frame 1 and the main frame 1 in parallel to the left and right sides of the main frame 1 so that the robot can move in parallel, and the lower side of the main frame 1 inside the main frame 1. The preheating tank (4) which prevents heat deformation and cracks during tempering by tempering the glass by first heating the tempered glass, and by heating and melting potassium nitrate (KNO3) inside to keep the potassium nitrate in the molten state Reinforcing tank (5) to control the slow cooling tank (6) to remove the stress by slowly cooling the temperature of the glass strengthened in the reinforcing tank (5), hot water tank for cleaning the tempered glass cooled in the slow cooling tank (6) (7) and the hot water tank 8 are provided.

In the tempered glass manufacturing apparatus illustrated in FIG. 1, six baths are installed to be spaced apart from each other in the longitudinal direction, and each bath has an internal heating unit with a heater built therein, and each bath includes a door rail installed at an upper portion thereof. A door that opens and closes in a folding manner is provided to prevent temperature maintenance or mixing of impurities.

The reinforcement process of the original glass reinforces the original glass preheated in the preheating tank (4) by a process in which the loading robot horizontally moves the rack on which the glass is mounted along the guide rail installed on the upper side of the mail frame (5). Immerse in).

When the glass reinforcing process is performed, the temperature is raised to a temperature of 380 ° C. to 500 ° C. in preheating and maintained at a temperature of 30 minutes to 120 minutes, and the potassium nitrate solution (KNO 3) heated to 450 ° C. in the tempering tank 5. Soak for 4 to 6 hours to strengthen, move to slow cooling tank (6) to slowly cool the glass to reach 100 ℃ to remove the stress, and the primary and secondary cleaning in the hot water tank and hot water tank Done.

The glass to be tempered to be transferred in the strengthening treatment step of the glass is loaded in a jig and moved in the process order by the jig transfer unit.

At this time, in the case of a jig loaded with plate glass, the lifting or lowering of the jig is performed by fastening a plurality of lifting hooks to the jig at the jig transfer part due to the weight of the jig itself and the weight of the jig loaded. A slight jig shake may occur due to the height difference of the lifting hook portion at the fastening or an unbalance of the force of the lifting hook portion at the start of the lifting.

This jig shake causes the plate glass loaded on the jig to swing completely, or lead to partial breakage of fine gold, thereby lowering the completeness of the result and reducing production efficiency.

Therefore, an improvement of the tempered glass manufacturing apparatus that can prevent the jig shaking when lifting the jig through the lifting hook portion is required.

The present invention has been made in order to solve the above problems is provided with a hook portion guide portion for guiding the lifting hook portion to the hook stand fastening point of the plurality of lifting hook portion to the hook of the jig to which the lifting hook portion of the jig transfer unit is fastened and lifting hook portion In order to provide a strengthening glass manufacturing apparatus capable of preventing jig shaking to minimize jig fluctuations that may occur during lifting of the jig by providing a lifting buffer to prevent jig fluctuations even when a plurality of lifting hook part height differences occur during lifting. The purpose is.

The present invention has the following features to achieve the above object.

The present invention connects a plurality of upper and lower plate frames and the upper and lower plate frames vertically used for loading plate glass in a tempered glass manufacturing apparatus that is sequentially transferred to a preheating tank, a reinforcing tank, a slow cooling tank and a water cooling tank to strengthen the glass. In the plate glass loading jig having a frame structure of a rectangular parallelepiped consisting of a plurality of side plate frame, the upper frame is an outer frame forming the outer edge of the jig, and the connecting frame to reinforce the transverse or longitudinal direction between the outer frame Consisting of the lifting frame coupled to the lifting hook portion of the jig transfer unit at a predetermined point of the connection frame is extended and coupled to the connection frame, the hanger is coupled to the lower side of the connection frame and the guide block is formed in the center, and An elastic part accommodated inside the guide block and fixedly coupled to the connection frame; Received in the interior, and is fixedly coupled to the lower end of the elastic portion is configured to include the fastening block is fastened additional lifting hook.

Here, the guide block has an inclined surface in the form of a light beam narrowing gradually toward the lower side so that the lifting hook portion is guided toward the fastening block and fastened.

In addition, the fastening block is formed in the center of the receiving groove for receiving the lifting hook portion is formed, the inclined surface of the upper and lower sine form to the outer side of the receiving groove to guide the lifting hook portion to the receiving groove side.

According to the present invention, it is possible to minimize the shaking of the jig when lifting the jig by accurately guiding the lifting hook part to the target position in consideration of the jig center of gravity through the hanger.

In addition, by providing a cushioning section through the fastening block and the elastic part of the rack, the swing of the jig can be reduced at the start of lifting up through the lifting hook, and the fluctuation caused by the height difference can be reduced even if the height difference between the plurality of lifting hooks is minute. It works.

1 is a perspective view showing one embodiment of the abutment. Tempered glass manufacturing plant for chemically strengthening glass
2 is a view showing a tempered glass manufacturing apparatus according to an embodiment of the present invention.
3 is a view showing a jig transfer unit and a jig according to an embodiment of the present invention.
4 is a view showing a jig according to an embodiment of the present invention.
5 is a partially enlarged view schematically illustrating a coupling structure of the connecting frame and the hanger viewed from the side of FIG. 4.
6 is a view showing a state that the fastening block of the hanger in Figure 5 is pressed.

In order to explain the present invention, the operational advantages of the present invention, and the objects achieved by the practice of the present invention, the following describes exemplary embodiments of the present invention and looks at it with reference.

First, the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention, and singular forms may include plural forms unless the context clearly indicates otherwise. Also in this application, terms such as "comprise" or "have" are intended to indicate that there is a feature, number, step, action, component, part, or combination thereof described on the specification, one or more other It is to be understood that the present invention does not exclude the possibility of the presence or the addition of features, numbers, steps, operations, components, parts, or a combination thereof.

In describing the present invention, when it is determined that the detailed description of the related well-known configuration or function may obscure the gist of the present invention, the detailed description thereof will be omitted.

2 is a view showing a tempered glass manufacturing apparatus according to an embodiment of the present invention, Figure 3 is a view showing a jig transfer unit and jig according to an embodiment of the present invention, Figure 4 is an embodiment of the present invention 5 is a view showing a jig according to the present invention. FIG. 5 is a partially enlarged view schematically illustrating a coupling structure of a connecting frame and a hanger viewed from the side of FIG. 4, and FIG. 6 is a view showing a state in which the fastening block of the hanger is pressed in FIG. 5. .

Referring to the drawings, the plate glass loading jig 100 according to an embodiment of the present invention is a lifting hook portion 210 of the jig transfer unit 200 is provided with a plate glass to the inner receiving space spaced apart from the upper side of the jig 100. ) Is fastened to the upper side of the jig 100, the lifting, lowering and horizontal movement is possible.

The apparatus for manufacturing tempered glass includes a preheating tank 300 for performing a preheating process as shown in FIG. 2, a tempering tank 400 for chemically strengthening the plate glass, and a slow cooling tank 500 for cooling the plate glass through air and hot water, respectively. ) And a plurality of chambers of the water cooling tank 600, jig transfer unit 200 for transferring the jig 100 loaded with the plate glass for the transfer between each chamber is provided.

The jig 100 has a rectangular parallelepiped frame structure consisting of a plurality of upper and lower plate frames 110 and 120 and a plurality of side plate frames 130 vertically connecting the upper and lower plate frames 110 and 120. Is formed.

Here, the upper frame 110 is composed of an outer frame 111 forming an outer edge of the jig, and a connecting frame 112 to reinforce the transverse or longitudinal direction between the outer frame 111, such a connecting frame Hanger 140, which is a technical feature of the present invention, is formed at a certain point of the 112.

The hanger 140 is provided so that the lifting hook 210 for lifting the jig 100 is fastened, the position and the number of the hanger 140 according to the number of the lifting hook 210 of the jig transfer unit 200 Is determined.

In the drawing of the present invention, the lifting hook portion 210 of the jig transfer unit 200 is composed of a total of four places, and the hanger 140 also has two hooks 140 on each of the two connecting frames 112 so as to correspond thereto. 5 and 6 illustrate two hangers 140 formed with one connection frame 112.

Such a hanger 140 is coupled to the lower side of the connecting frame 112, the guide block 141 and the receiving space is formed in the center, the guide block 141 is accommodated inside the fixed frame 112 It is composed of an elastic portion 142, a fastening block 143 that is accommodated inside the guide block 141 and is fixedly coupled to the lower end of the elastic portion 142 and the lifting hook portion 210 is fastened.

Here, the guide block 141 forms a receiving space inward with a pair of blocks facing each other, and the lifting hook 210 enters the inner receiving space.

In addition, the lower inner wall surface of the guide block 141 gradually narrows downwards to guide the lifting hook 210 toward the fastening block 143 provided in the inner receiving space when the lifting hook 210 enters. Has an inclined surface 141a.

Accordingly, even if the lifting hook 210 is entered has a certain error laterally than the target position, the lifting hook 210 is naturally guided to the fastening block 143 along the inclined surface 141a of the guide block 141.

On the other hand, the elastic portion 142 is located in the central receiving space of the guide block 141, the upper side is fixedly coupled to the bottom of the connection frame 112, the lower side is fixedly coupled to the fastening block 143.

Accordingly, when the lifting hook part 210 is positioned toward the receiving groove part 143a of the fastening block 143 and lifts, the fastening block 143 is pressed to compress the elastic part 142.

The elastic part 142 is stable when the lifting hook portion 210 is lifted by the lifting hook portion 210 when the lifting force is applied to the connection frame 112 of the jig to give the instantaneous cushioning process stable of the jig 100 Of course, even if the height difference between the plurality of lifting hooks 210 consisting of a plurality of lifting induction is induced to minimize the shaking of the jig through the buffer process.

In addition, the fastening block 143 is the upper side is fixedly coupled to the lower end of the elastic portion 142, the receiving groove portion 143a is formed in the lower center side to ensure that the lifting hook 210 is securely fastened.

In addition, the inclined surface 143b of the upper and lower straits is formed so that the lifting hook 210 is first guided through the guide block 141 and then guided to the outside from the accommodation groove 143a.

Accordingly, the lifting hook portion 210 is naturally guided through the inclined surface of the guide block 141 and the inclined surface of the fastening block 143 to the receiving groove 143a of the fastening block 143 to lift the hook portion 210 to the correct destination position. ) And jig can be combined.

The lifting hook 210 guides to the exact destination position as the lifting hook 210 is formed in plural, and the jig is lifted and lowered horizontally without inclining to one side in consideration of the center of gravity of the jig. This is necessary to make this happen.

Meanwhile, when the lifting hook portion 210 presses the fastening block 143, the friction between the inner wall surface of the guide block 141 and the outer wall surface of the fastening block 143 is minimized and the fastening block 143 is stably pressed. A bearing part for idling may be formed on an inner wall surface of the guide block 141 opposite to the fastening block 143.

As described above, the present invention has been described with reference to one embodiment shown in the drawings, but this is merely an example, and those skilled in the art may realize various modifications and other equivalent embodiments therefrom. Will understand.

Therefore, the true technical protection scope of the present invention will be defined by the technical spirit of the appended claims.

100: jig 110: top frame
120: lower frame 130: side frame
140: hanger 141: guide block
142: elastic portion 143: fastening block
200: jig transfer part 210: lifting hook part

Claims (3)

A plurality of upper and lower plate frames 110 and 120 used for loading plate glass in a tempered glass manufacturing apparatus that is sequentially transferred to a preheating tank, a reinforcing tank, a slow cooling tank, and a water cooling tank to strengthen glass, and the upper and lower plate frames 110 In the plate glass loading jig 100 having a frame structure of a rectangular parallelepiped consisting of a plurality of side plate frames 130 connecting vertically,
The upper frame 110 has an outer frame 111 forming an outer edge of the jig,
The outer frame 111 is composed of a connecting frame 112 to reinforce the transverse or longitudinal direction, the lifting frame 210 of the jig transfer unit 200 is fastened to a predetermined point of the connection frame 112 The hanger 140 is extended and coupled to the connecting frame 112, the hanger 140 is coupled to the lower side of the connecting frame 112, the guide block 141 and the receiving space is formed in the center, the guide block 141 The inner side is accommodated in the elastic portion 142 is fixedly coupled to the connecting frame 112, the guide block 141 is received inside the fixed portion and fixedly coupled with the lower end of the elastic portion 142, the lifting hook 210 is fastened Is configured to include a fastening block 143,
The guide block 141 has an inclined surface 141a in the form of a lower light reciprocation gradually narrowing upwards so that the lifting hook 210 is guided and fastened toward the fastening block 143.
The fastening block 143 is formed in the center of the receiving groove portion 143a for receiving the lifting hook portion 210, the lifting hook portion 210 is guided toward the receiving groove portion 143a toward the outside of the receiving groove portion 143a. Plate glass stacking jig for tempered glass manufacturing apparatus which can be shaken, characterized in that the inclined surface (143b) of the lower light negotiation. delete delete

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