KR101542223B1 - The rising and falling apparatus of jig for glass plate using chemical reinforcement - Google Patents

Abstract

The present invention relates to a jig elevating apparatus for a tempered glass manufacturing apparatus, and more particularly, to a jig elevating apparatus for manufacturing a tempered glass, which comprises a jig 120 on which a plate glass 110 for chemical strengthening is mounted, And a transfer unit unit (200) having a transfer casing (210) having a bottom opened to be transferred to an upper part of a furnace for each process so as to be transferred into a furnace for each process A guide conveying block 220 having a conveying roller part 104 moving along the first guide rail 103 is integrally provided on the conveying casing 210, A jig hook 230 having hooks 231 capable of being hooked to hooking shafts 121 provided on the jig hook 230 is provided inside the feed casing 210. One end of each jig hook 230 has four ends And a motor (not shown) so as to move up and down four fixedly connected lifting bodies 252 241 are provided on the upper surface of the guide conveying block 220 so as to be able to transmit the driving force of the guide rails 241 to the ascending and descending members 252 in a chain drive manner .

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a jig rising apparatus for a tempered glass manufacturing apparatus,

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a jig raising and lowering apparatus for a tempered glass manufacturing apparatus, and more particularly, to a jig raising and lowering apparatus for a tempered glass manufacturing apparatus that is capable of stably lifting and lowering a jig, To the jig ascending / descending device.

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

Generally, glass strengthening is classified into physical strengthening and chemical strengthening. In general, physical strengthening is performed by heating the glass at a temperature of 550 to 700 ° C. by using glass having a thickness of 5 mm or more, Which is mainly used for tempered glass doors, automobile glasses, and the like.

On the other hand, the chemical strengthening is to strengthen the glass by substituting the potassium ion of the sodium ion and the potassium nitrate solution in the glass by immersing the thin plate glass in the reinforcing furnace containing the potassium nitrate solution at 450 ° C for 3 hours or more, It is used to strengthen thin glass of 2.0mm or less.

Recently, a manufacturing apparatus capable of manufacturing tempered glass through a method of accelerating the ion exchange reaction rate of sodium ions and potassium ions in the glass surface layer by ion exchange of a small amount of molten salt in the melt containing the molten potassium salt Has been proposed.

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

1, a guide rail and a rack gear 11 for transmitting power are provided on both sides of the main frame 1 and parallel to the left and right sides of the main frame 1. The loading robot 2, along with the guide rail 11, The unloading robot 3 sequentially transports the racks 12 in which the plurality of glass substrates are mounted in the horizontal direction to the preheating tank 4, the tempering tank 5, the desiccation tank 6, the hot water tank 7, And a control box 13 for managing the tempered glass manufacturing apparatus as a whole is provided with a reinforced glass manufacturing apparatus for carrying glass reinforced by conveying the water tank 8 and carrying out the rack 12 in which the completed reinforced glass is mounted, .

As described above, the reinforced glass manufacturing apparatus comprises a main frame 1 as a basic frame, guide rails 11 which are parallel to both left and right sides of the main frame 1 so that the robot can move in parallel, A preheating tank 4 for heating the glass first to prevent thermal deformation and cracking during the first heating of the glass, and a preheating tank 4 in which potassium nitrate (KNO ₃ ) is heated and melted to maintain the potassium nitrate in a molten state (6) for gradually cooling the temperature of the tempered glass in the tempering tank (5), a hot water tank (6) for washing the tempered glass cooled in the hot and cold bath (6) (7) and a heat water tank (8).

As described above, in the apparatus for manufacturing tempered glass according to the related art, a plurality of baths are spaced apart from each other in the longitudinal direction, and each of the baths has an internal heating unit having a heater built therein, Most of them were able to accommodate the jig (or rack) on which the disc glass moved on the rails is loaded and unloaded.

In this way, the glass sheets to be reinforced to be conveyed in the strengthening treatment process of the disk glass are stacked on the jig, moved by the loading robot in accordance with the process order, and the jig is moved to the respective sets through the lifting and lowering.

However, the apparatus for elevating and lowering the jig having the glass plate loaded in the tempered glass manufacturing apparatus in each of the vessels is embodied in various forms and disclosed.

For example, prior art documents such as Korean Registered Patent No. 0659558, Korean Registered Patent No. 0864956, Korean Registered Patent No. 0914628, Korean Registered Patent No. 0937225, And an apparatus for raising and lowering a jig in such a tempered glass manufacturing apparatus also shows various embodiments.

Particularly, the jig raising and lowering apparatus disclosed in the above documents has advantages and disadvantages according to each embodiment, and basically aims to steadily raise and lower the jig on which the glass plate is mounted.

Nevertheless, there are many cases that the up-down device of the jig disclosed in the above prior art documents is structurally very complicated or structurally a little unstable in order to raise and lower the jig stably.

Korean Registered Patent No. 0659558 (published on Dec. 20, 2006, name: manufacturing apparatus for tempered glass for display windows) Korean Registered Patent Publication No. 0864956 (published on October 22, 2008, entitled: Tempered glass manufacturing apparatus and method for manufacturing tempered glass using the same) Korean Registered Patent No. 0914628 (published on September 2, 2009, name: tempered glass manufacturing apparatus) Korean Registered Patent No. 0937225 (issued on January 15, 2010, name plate glass reinforcement device)

The present invention relates to a tempered glass manufacturing apparatus according to the related art, and a jig ascending / descending apparatus for elevating and lowering a jig for loading a plate glass on each bath is presented in various forms, And to provide a jig platform that can be used for a variety of applications.

That is, an object of the present invention is to provide a jig ascending / descending device composed of a vertical ascending / descending descender having four ascending / descending chains operated by a chain driving system, so that four ascending / descending chains can be guided through the hooks of the jig, And the jig can be steadily lifted up and down in the vertical direction through the bottom opening surface in the conveying casing. The jig ascending / descending device .

In order to accomplish the above object, the present invention provides a method of manufacturing a steel sheet for a steel sheet, which comprises the steps of: jigging a jig on which a plate glass for chemical strengthening is loaded, A guide conveying block having a conveying roller portion moving along the first guide rail is provided on the upper side of the conveying casing upper portion of the conveying unit portion, And a jig hook having hooks that can be pulled by hooking hooks provided at four positions on four sides of the jig are provided inside the transfer casing and one end is connected and fixed to four points of each of the four sides of the jig A lifting and pulling portion guide capable of transmitting the driving force of the motor to the lifting / lowering chain by a chain drive system so as to raise and lower the four lifting and lowering chains And a jig ascending / descending device of a tempered glass manufacturing apparatus disposed on the upper surface of the block.

Here, the upward / downward pulling portion includes a motor for providing a driving force disposed on the upper surface of the guide conveying block, a first rotating shaft having a first chain sprocket of the motor and a second chain sprocket connected to the first chain belt, A third chain sprocket connected to the speed reducer, and a fourth chain sprocket connected to the second chain belt, the fourth chain sprocket being connected to both ends of the first coaxial shaft symmetrically with respect to the second chain sprocket, A plurality of second pivot shafts provided with a chain sprocket at right angles to the first pivot shaft and opposed to both sides of the chain sprocket and a second pivot shaft pivotally supported on both sides of the second pivot shaft about the fourth chain sprocket of the second pivot shaft A sprocket which is symmetrically formed and connected to the sprocket; a sprocket which is wound on the sprocket of the ascending and descending chain, one end of which is fixedly connected to a jig hook located below the guide conveying block, And an up-down chain having a downwardly-extending shape.

According to the present invention, since the jig ascending / descending device composed of the ascending / descending descent chain having four ascending and descending chains operated by the chain driving method is provided above the transfer casing of the transfer unit, the four ascending and descending chains are connected to the jig The jig can be steadily lifted and lowered in the vertical direction through the bottom opening face in the conveying casing after stably holding the four positions of the jig on which the plate glass is loaded through the hooks.

In other words, according to the present invention, when the driving force is transmitted from the motor to the ascending and descending chain, the driving force is transmitted through the chain. Thus, the advantages of the power transmission by the chain are directly reflected, Power transmission is possible, and a stable rising / falling structure can be realized.

In addition, according to the present invention, the four ascending / descending chains are arranged downward at regular intervals on all four sides of the guide conveying block, and one ends of the ascending and descending chains are equally fixed and fixed to the four sides of the jig, Since the jig can be pulled by hooking the jig shaft projected on the four sides of the jig through the hook provided at the end of the jig, the jig can be pulled up and down very steadily in a balanced horizontal state, Can be achieved.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view showing an embodiment of a tempered glass manufacturing apparatus for manufacturing chemically tempered glass according to the prior art; FIG.
2 is a schematic view showing a preferred embodiment of a tempered glass manufacturing apparatus for manufacturing chemically tempered glass according to the present invention;
FIG. 3 is a side view showing a state in which the transfer unit is transferred and disposed above the furnace in each step in the tempered glass manufacturing apparatus according to the present invention. FIG.
FIG. 4 is a side view of FIG. 2 showing a jig raising and lowering device of a tempered glass manufacturing apparatus according to the present invention, which is disposed on an upper part of a conveying casing and is connected and arranged so as to be able to pull a jig inside the conveying casing.
5 is a plan view showing a state where the jig ascending / descending device of the tempered glass manufacturing apparatus according to the present invention is disposed on the upper surface of the guide conveying block.
FIG. 6 is a side view of FIG. 4 showing a state where the jig raising and lowering device of the apparatus for manufacturing tempered glass according to the present invention is arranged on the upper part of the conveying casing and is connected and arranged so that the jig inside the conveying casing can be pulled.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

In order to explain the preferred embodiments of the present invention, the thicknesses of the lines and the sizes of the components shown in the attached drawings may be exaggerated or omitted for clarity and convenience of description, Terms to be given are terms defined in consideration of the functions of the present invention, which may vary depending on the intention or custom of the user, the operator.

2, the tempered glass manufacturing apparatus to which the present invention is applied includes a transfer unit unit 200 and 201, a jig supply unit 300, first and second preheating units 400 and 500, a chemical strengthening unit 600, And a structure 100 that sequentially arranges a series of devices necessary for performing each process such as the first and second cold units 700 and 800, the cleaning unit 900, and the jig discharge unit 301 in sequence.

The first and second preheating units 400 and 500, the chemical strengthening unit 600, the first and second cold units 700 and 800, and the cleaning unit 900 may be manufactured in the same manner as the first and second preheating units 400 and 500, Each of the parts is furnished in a furnace or a bath to provide a space for accommodating the plate glass 110 loaded on the jig 120. [

The first and second preheating units 400 and 500, the chemical strengthening unit 600, the first and second cold units 700 and 800, and the cleaning unit 900 are provided at the upper part of the structure 100, And a box-shaped casing 210 having a first guide rail 103 installed horizontally and having an entrance at a lower portion thereof is installed at a second floor, which is a first floor of the structure 100, Are disposed opposite to the left and right so as to be movable along the first guide rail (103).

3, an opening / closing door 105 that moves along the second guide rail 106 is installed between the first and second layers of the structure 100, and the first and second preheating units 400 500, the chemical strengthening unit 600, and the first and second cold units 700, 800, respectively.

As shown in FIGS. 2 and 3, the structure 100 includes a steel frame such as an H-shaped beam with a predetermined interval therebetween and interconnecting upper ends thereof to form a hexagonal skeleton 101, 102 (length × width × height; 31 m X 8 m x 10 m).

In this case, one layer of the structure 100 has a height of about 4 m on the ground. As described above, the conveying unit units 200 and 201, the first and second preheating units 400 and 500, the chemical strengthening unit 600, The first and second cold units 700 and 800, and the cleaning unit 900 can be arranged in the divided sections.

The first and second guide rails 103 and 103 are installed to be opposite to each other in the longitudinal direction of the skeleton at about 7 m height from the ground of the two layers of the structure 100, So that the transfer roller unit 104 of the unit units 200 and 201 can move.

As shown in FIGS. 2 to 6, the transfer unit units 200 and 201 are installed in the first and second preheating units 400 and 500, the chemical strengthening unit 600, the first and second preheating units 400 and 500, In a state where the jig 120 for loading the plate glass 110 is placed in the generally rectangular metal material conveyance casing 210 as a portion for sequentially conveying the first and second cold units 700 and 800 and the washing unit 900 And performs the role of moving the plate glass 110 to the respective process parts according to the sequential process so as to move up and down.

These transfer unit units 200 and 201 include a transfer casing 210, a guide transfer block 220, a jig 230, and an ascending / descending tug-

The conveyance casing 210 is formed of a generally rectangular metal material and has a lower end opening. The conveyance casing 210 can accommodate the jig 120 on which the plate glass 110 is mounted.

At this time, the transfer unit units 200 and 201 are disposed on the right and left sides of the structure 100 for the quick performance and convenience of the process, and the jig 120 on which the glass plate 110 is mounted according to the respective processes, ).

That is, the transfer unit unit 200 located on the left side in the drawing of FIG. 2 serves to transfer the jig 120 from the first and second preheating units 400 and 500 to the chemical strengthening unit 600, The transfer unit unit 201 positioned on the left side in the drawing of FIG. 2 serves to transfer the jig 120 from the first and second cold units 700 and 800 to the cleaning unit 900.

As the transfer areas of the transfer unit units 200 and 201 are allocated as described above, there is a slight difference in the specific internal configurations of the transfer unit units 200 and 201 arranged opposite to each other.

That is, in the first and second preheating parts 400 and 50 and the chemical strengthening part 600, preheating and heating are performed at a predetermined temperature for chemical strengthening of the plate glass 110, In order to maintain the temperature of the plate glass 110 to be held in the transfer unit unit 200 without dropping it in the transfer unit unit 200, It is preferable that a separate heating device (not shown) for maintaining the temperature is provided.

On the other hand, in the first and second cold units 700 and 800 and the washing unit 900, the temperature of the plate glass 110 having chemical strengthening is stably lowered, There is no need to maintain the temperature in the transfer casing 210 of the transfer unit unit 201 disposed on the side, and there is a difference that a heating device is not provided.

The guide conveying block 220 is positioned at the upper end of the conveying casing 210 and includes a conveying roller portion 104 for conveying the conveying unit portions 200 and 201 to an upper portion of a furnace for each process, As shown in FIG.

3 and 4, the jig hook 230 is disposed at the inside of the feed casing 210 so that the amount of the jig 120 And a hook 231 for hooking and pulling on the hook shaft 121 protruding from the side surface.

That is, the hook 231 is provided at the distal end of the jig hook 230 to hook the jig 120 protruding from both sides of the upper end of the jig 120 and to pull the jig 120 from the upper side of the feed casing 210 .

 4 and 6, the hook 231 is formed in a ring-shaped structure so as to be detachably coupled to the hooking shaft 121 of the jig 120.

The hooks 231 are engaged with the hooking shafts 121 of the jig 120 so that they can be pulled and thereby the jig 120 can be stably pulled upward from the upward direction.

As shown in FIGS. 2 to 4 and 6, the jig 120 is inserted into each furnace according to each step and is fixedly supported by the plate glass 110 to be strengthened, Shaped frame structure having six side faces formed by a plurality of supports positioned opposite to each other.

The jig 120 can stably mount the plate glass 110 by adjusting the mounting width and the mounting height according to the specifications of the various plate glasses 110 with only one jig 120 regardless of the standard size of the plate glass 110 .

On both sides of the upper plate side of the jig 120, hooking shafts 121 are provided so as to hook the hooks 231 for lifting the jig 120 by the lifting and lowering dogs 240.

The up-and-down stiff observer 240 is a jig raising and lowering device that pulls the jig 120 according to each step and serves to accommodate or take it out of each oven.

  2, the ascending / descending stiffener 240 is fixed to the upper surface of the guide conveying block 220 and is driven by the driving force of the motor 241 to use the ascending / descending body 252 and the jig hook 230 So that the jig 120 can be lifted up and down in the vertical direction through the bottom opening surface in the transport casing 210. [

More specifically, it is as follows.

4 and 5, the ascending / descending stiffener 140 is fixed to the upper portion of the conveying casing 210 by the guide conveying block 220 to move the jig hook 230 up and down in the vertical direction Which is provided with a first chain sprocket 242 of the motor 241 and a second chain sprocket 244 connected by a first chain belt 243, A plurality of reduction gears 246 disposed symmetrically with respect to both ends of the first rotation shaft 245 around the second chain sprocket 244 of the first rotation shaft 245, A second rotating shaft 250 having a third chain sprocket 247 connected to the second chain shaft 246 and a fourth chain sprocket 249 connected to the second chain belt 248, A sprocket 251 that is symmetrically formed on both sides of the second coaxial shaft 250 about the fourth chain sprocket 249 of the first sprocket 241, One end in a state in which has a configuration including a rigid body of seungha 252 is fixed to the connection jig geolyidae 230.

Here, the up-and-down fastener 240 may further include a guide rod 254 for guiding the vertical movement of the support hook 230.

3 and 4, the guide rod 148 guides the vertical movement of the jig hook 230 between the guide transfer block 220 and the jig hook 230, And the other end is fixedly installed to be slidably connected to the slide hole formed at one side of the guide conveying block 220 have.

The motor 241 is an electric motor capable of normal / reverse rotation, and is disposed at the central portion of the upper surface of the guide conveying block 220.

The first rotating shaft 245 is symmetrically disposed on both sides of the motor 241. The second rotating shaft 245 is provided with a second chain sprocket 244 at the center thereof, 2 chain sprocket 244 and the first chain sprocket 242 directly connected to the motor 241. The first chain sprocket 242 is coupled to the first sprocket 242 and the first chain sprocket 242,

A reduction gear 246 is connected to both ends of the first rotation shaft 245 so that the driving force of the motor 241 transmitted to the first rotation shaft 245 is decelerated at a constant rate, And coaxial 250, respectively.

At this time, the second rotation shaft 250 is horizontally disposed at a right angle to the upper end surface of the guide conveying block 220 with respect to the first rotation shaft 245, and the second rotation shaft 250 is horizontally disposed with the speed reducer 246 ) So that power transmission is possible.

The power transmission between the speed reducer 246 and the second rotary shaft 250 is performed through the connection of the second chain belt 248 and the second rotary shaft 250 is connected to the upper end of the guide conveying block 220 And are arranged in a symmetrical structure parallel to each other on both side edge portions.

The second rotating shaft 250 is supported and fixed by a plurality of unit bearings 253 so as to be rotatable.

The sprockets 251 are arranged on the second rotating shafts 250 so as to be spaced apart from each other by a predetermined distance so that the sprockets 251 are moved to the four sides of the guide moving block 220 through the sprocket 251, The downwardly extending body 252 can be downwardly connected and fixed to the jig hook 230.

The lifting body 252 is wound on the sprocket 251 at least one time up and down, and one end of the lifting body 252 is pulled down in a free end shape and the other end is fixed to the jigging table 230 do.

Accordingly, the second rotating shaft 250 receives the power with the rotating direction of the motor 241 according to the forward and reverse rotations, and the sprocket 251 is lifted and lowered in accordance with the normal rotation of the second rotating shaft 250, The ascending / descending direction of the ascending / descending body 252 is determined.

As a result, the upward and downward movement of the jig hook 230 is determined in accordance with the ascending and descending direction of the ascending and descending body 252 and the jig 120 pulled by the hook 231 of the jig hook 230 Is determined.

The operation and effects of the jig raising and lowering apparatus of the apparatus for manufacturing tempered glass according to the present invention having such a structure will be described as follows.

2, a plurality of glass sheets for tempered glass 110 are received by a jig 120, and the jig 120, on which the glass plate 110 is mounted, Is received in the feed casing 210 of the feed unit 200 through the jig feeder 300 shown in FIG.

At this time, the jig 120 is pulled up through the ascending and descending stiffener 240 disposed in the transfer unit 200.

The transfer unit unit 200 moves along the first guide rail 103 through the transfer roller unit 104 of the guide transfer block 220 and transfers the jig 120 to the preheating And is moved to the first preheater 400 to perform the process.

When the transfer unit unit 200 is moved to the upper portion of the first preheating unit 400, the opening / closing door 105 that has closed the furnace of the first preheater 400 is opened and the jig 120 ). ≪ / RTI >

In this state, when the motor 241 of the lifting and lowering dogs 240 rotates in the direction of lowering the lifting body 252, the first rotating shaft 245, the speed reducer 246, the second rotating shaft 250 ) Are sequentially rotated to descend the ascending / descending rigid member 252 wound around the sprocket 251 of the ascending and descending chain.

As a result, the jig 120 pulled by the hook 231 of the jig hook 230 is moved downward by the first preheating unit 230. As a result, 400 to the furnace.

At this time, the jig hook 230 is steadily lowered in a balanced state by four lifting bodies 252 connected to four sides, and is guided and descended by the guide rods 254 without shaking .

When the jig 120 is stably lowered and seated in a furnace of the first preheater 400, the hook 231 of the jig hook 230 on the hook shaft 121 of the jig 120 Respectively.

That is, when the lifting body 252 is further lowered while the jig 120 is seated in the furnace, the hook 231 of the jig hook 230 is hooked to the hook shaft 121 of the jig 120 When the guide conveying block 220 of the conveying unit 200 is moved slightly to the side in this state, the hook 231 is released to the side of the hooking shaft 121, The jig hook 230 is lifted and separated from the jig 120 when the lifting body 252 is raised.

When the opening and closing door 105 located in the upper part of the furnace of the first preheater 400 returns to the initial state and closes the furnace, the preheating process in the first preheater 400 Is performed.

Then, when the preheating process in the first preheater 400 is completed, the jig 120 is transferred to the second preheater 500 located on the side by using the transfer unit 200 do.

The jig 120 is retracted into the conveying unit 200 in the furnace of the first preheating unit 400 and accommodated in the conveying casing 210, The transfer unit unit 200 is transferred to the second preheating unit 500 along the first guide rail 103.

The operation of pulling up and lifting the jig 120 in the furnace of the first preheater 400 may be performed by lowering the jig 120 into the furnace of the first preheater 400 By performing the reverse operation.

If the process of descending the jig 120 and separating the hook 231 of the jig hook 230 from the hook shaft 121 of the jig 120 are clearly understood, The elevating and lowering operation performed through the elevating operation can be fully understood. Here, the detailed description of the elevating and lowering operation will be omitted here.

As described above, according to the present invention, when the driving force is transmitted from the motor 241 to the lifting / lowering body 252 through the chain, the advantage of power transmission by the chain is reflected as it is. That is, it is possible to transmit a constant speed ratio and large power through the chain drive, and a stable up-down structure can be realized.

The lifting bodies 252 are arranged at regular intervals on the four sides of the guide conveying block 220. The ends of the lifting bodies 252 are equally balanced It can be hooked on the hook shaft 121 protruding in all directions of the jig 120 through the hook 231 provided at the end of the jig hook 230 so that it can be pulled in the feed casing 210 The jig 120 can be lifted up and down very steadily in a balanced horizontal state without the four sides of the jig 120 being tilted to one side.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit of the invention.

100: Structure 101, 102: Skeleton
103: first guide rail 104: conveying roller section
105: opening and closing door 106: second guide rail
110: plate glass 120: jig
121: Hook shaft 200, 201: Feed unit
210: conveying casing 220: guide conveying block
230: jig 231: hook
240: ascending / descending stator 241: motor
242: first chain belt 243: first chain sprocket
244: second chain sprocket 245: first coaxial shaft
246: Reduction gear 247: Third chain sprocket
248: second chain belt 249: fourth chain sprocket
250: 2nd coaxial 251: sprocket up / down chain
252: Up and down rigid body 253: Unit bearing
254: guide rod 300: jig supply part
301: jig discharge part 400, 500: first and second preheating parts
600: chemical reinforcement 700,800: first and second cold
900: Cleaning section

Claims (2)

A jig 120 with a plate glass 110 for chemical strengthening is trained and accommodated in a furnace for each process along the first guide rail 103 And a transfer unit unit (200) having a transfer casing (210) having a bottom opened to be transferred and disposed on an upper portion of the transfer unit unit (200)
A guide conveying block 220 having a conveying roller portion 104 moving along the first guide rail 103 is integrally provided on the conveying casing 210 and is provided at four positions of the jig 120 A jig hook 230 having hooks 231 capable of being hooked on the hook shaft 121 is provided inside the feed casing 210. One ends of the jig hook 230 are fastened A descending descending traction unit 240 capable of transmitting the driving force of the motor 241 to the ascending / descending body 252 in a chain drive manner so as to raise / lower the four ascending / descending bodies 252 of the guide conveying block 220 Wherein the jig ascending / descending device of the apparatus for manufacturing tempered glass is disposed on the upper surface.
The method according to claim 1,
The ascending and descending trainer 240 includes a motor 141 for providing driving force disposed on a top surface of the guide conveying block 220 and a first chain sprocket 242 and a first chain belt 243 of the motor 241, And a second chain sprocket 244 connected to both ends of the first rotating shaft 245 around the second chain sprocket 244 of the first rotating shaft 245, And a fourth chain sprocket 249 connected to the third chain sprocket 247 connected to the speed reducer 246 and the second chain belt 248, A plurality of second pivot shafts 250 disposed opposite to each other at a right angle to the first pivot shaft 245 and a second pivot shaft 250 extending from the center of the fourth pivot shaft 249 of the second pivot shaft 250 to the center A sprocket 251 that is symmetrically formed on both sides of the second coaxial shaft 250, a sprocket 251 that is wound around the sprocket 251, And a lifting body (252) connected to the jig hangers (230) located at a lower portion of the conveying block (220) and having the other end tapered down to a free end.

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