KR101553611B1 - A buffer for inline printing system - Google Patents

Abstract

The present invention relates to a buffering apparatus for an inline printing system for buffering a glass panel when an error occurs in an inline printing system in which various processes such as a printing process and a drying process are carried inline while a glass panel is being conveyed through a conveyor belt,
An unloading tilting device 30 for rotating the suction pad vacuum-sucked by the conveying belt 10 horizontally and conveying the glass panel 1 to a position erected at a horizontal position with respect to the conveyor belt 10, When the vacuum of the adsorption pad is released, the glass panel 1 is adsorbed and adsorbed on the unloading cassette 80 in a state in which the vacuum adsorbed glass panel 1 is placed on the adsorption pad of the tilting device 30, An unloading robot (20) provided with a finger portion provided at the lower end so as to be movable in the Z-axis direction in the upper and lower sides and having a hand portion adapted to move in the Y-axis direction in the width direction and the X-axis in the moving direction of the conveyor belt (10) And an unloading cassette (80) for accommodating the glass panel (1) whose vacuum is released from the suction holes of the finger portions of the hand portion moved in the width direction of the conveyor belt (10) Even if a failure occurs in a part of the process has manyirado whole process or after the process does not stop the whole line to be able to perform normal operations to minimize losses due to the failure and the effect can be maintained without significant deterioration of the production efficiency.

Description

[0001] A BUFFER FOR INLINE PRINTING SYSTEM [0002]

The present invention relates to a buffering apparatus for an in-line printing system such as a glass panel printing line. More particularly, the present invention relates to a buffering apparatus for a glass panel production facility used for a mobile display apparatus, buffers panels transported when an unexpected failure occurs during a printing process, And more particularly to a buffering apparatus for an inline printing system that is capable of being continuously operated without being interrupted.

In general, the touch window is applied to various electric and electronic products including a mobile device such as a mobile phone, a PDA, a notebook, etc., which have a key input function in a display portion. In order to enable energization of a transparent glass panel, Is printed.

In order to manufacture such a touch window, generally, when a transparent glass panel is supplied, the surface of the glass panel is cleaned and dried, and then a conductive pattern is printed on the surface of the cleaned glass panel and then dried again The printing and drying processes are repeated several times.

In the printing process of such a glass panel, most of the processes are performed by an automated in-line printing system in which each work device is placed on a conveying line using a conveyor as a conveying device until a glass panel is supplied and manufactured by a touch window.

In the case of the conventional in-line printing system, in case of failure or failure in the intermediate apparatus, there is a problem that the in-line printing system is completely stopped. To solve this problem, a buffering apparatus or a bypass line apparatus is added .

As an example of such a buffering device, In Korean Unexamined Patent Application Publication No. 10-2008-0022240, in a mother glass facility line of a non-contact type single transfer system by air levitation, a buffer system of a single-type LCD mother glass transfer line in which each mother glass is temporally rectified between respective process equipments A buffer station of a single sheet of glass mother glass transfer line is provided.

In addition, Korean Unexamined Patent Application Publication No. 10-2009-0060683 discloses a substrate transfer apparatus for transferring a substrate, which comprises an inclined transfer unit for transferring a loaded substrate in an inclined state, And a horizontal transfer unit for transferring and transferring the substrate from the tilting transfer unit in a horizontal state, wherein the tilting transfer unit transfers the substrate from the tilting transfer unit to the horizontal transfer unit, And the substrate is divided into a plurality of sections so as to be sequentially tilted so that the substrate is horizontally fed to the sending section and another substrate is loaded to the front end of the tilting transfer section.

However, the above-described conventional technology has solved the problem that the continuous glass panel can not be transported when a failure occurs in the back and forth processes in an inline printing system in which repeated processes such as printing and drying of a glass panel such as a touch screen are repeated and automated It has been desired to improve the structure so that the glass panels can be buffered and loaded without degrading the process efficiency of the inline printing system.

Korean Unexamined Patent Application Publication No. 10-2008-0022240 (published on March 11, 2008) Korean Patent Publication No. 10-2009-0060683 (published on May 15, 2009)

It is an object of the present invention to provide a method and a system for automatically buffering a glass panel continuously processed in a process before a failure occurs in a production line of a glass panel to buffer the buffered cassette, Is automatically supplied to the post-process to continuously maintain the conveying flow of the glass panel.

In order to achieve the above object, the buffering apparatus for an inline printing system according to the present invention is a buffering apparatus for an inline printing system in which a glass panel is conveyed through a conveyor belt, A buffering device for an in-line printing system for buffering an in-

 An unloading tilting device for rotating the absorption pad vacuum-adsorbed on the glass panel horizontally conveyed by the conveyor belt to a position erected in a horizontal position with the conveyor belt,

Wherein the glass panel is vacuum-chucked on an adsorption pad of the unloading tilting apparatus, and when the vacuum of the adsorption pad is released, the glass panel is adsorbed and loaded on the unloading cassette, An unloading robot provided at the lower end so as to be movable and having a hand portion adapted to move in the rail in the Y-axis direction in the width direction and the X-axis in the traveling direction of the conveyor belt, and

And an unloading cassette for receiving the glass panel from which the vacuum is released from the suction holes of the finger portions of the hand portion moved in the width direction of the conveyor belt.

In another embodiment of the present invention, a glass panel is buffered when an error occurs in an inline printing system in which various processes such as a printing process and a drying process are in-line while a glass panel is being conveyed through a conveyor belt, A buffering device for an in-line printing system,

A loading cassette on which glass panels processed in the previous process are loaded,

A finger portion provided with a suction hole for sucking the glass panel loaded on the loading cassette is provided at the lower end so as to be movable in the Z-axis direction of the upper and lower sides so that the glass panel loaded on the loading cassette is loaded and conveyed by a conveyor belt for post- A loading robot having a hand portion adapted to move from a rail in a Y-axis direction in a width direction and an X-axis in a traveling direction of the belt,

 And an adsorption pad for vacuum adsorbing the glass panel, which is adsorbed by the fingers of the loading robot hand unit and released from the vacuum, in a raised state. The adsorption pad is placed under the conveyor belt in a raised state so as to dispose the glass panel on the upper surface of the conveyor belt And an unloading tilting device that is rotated to release the vacuum.

The unloading tilting device includes a frame, a pivot shaft mounted rotatably on the frame and fixed to the pads, and an adsorption pad fixed to the pivot shaft for adsorbing the glass panel conveyed by the conveyor belt, An up-down cylinder provided on a bottom surface of the frame so as to be arranged in a horizontal position from the lower side so as to move the frame up and down; and an up-down cylinder provided at the horizontal position so as to rotate the absorption pad in a horizontal position, And a piston rod for rotating the coaxial shaft is connected to the pivot shaft.

The loading tilting apparatus includes a pivot shaft that is installed on a frame so as to be rotatable in a vertical direction in a horizontal direction and on which a plurality of suction pads are fixed for vacuum suction of a glass panel, Down cylinder mounted on the bottom of the frame so as to lift up the frame to a position where the suction pad is fixed to the pivot shaft so as to rotate under the conveyor belt so that the vacuumed glass panel is transferred by the conveyor belt And a pad tilt cylinder to which an end of the piston rod is linked at one end of the rotary shaft.

The buffering device for an in-line printing system having the above-described configuration comprises: a frame movable up and down by an up-down cylinder; a plurality of adsorption pads fixed to a pivotally mounted pivotable frame on the frame to vacuum adsorb the glass panel; A pivot tilting cylinder having a piston rod connected to one end of the pivot shaft so as to pivot the pivot shaft to a position erected in a horizontal position with the conveyor belt;

A suction hole for vacuum adsorption of the glass panel when the vacuum is released from the suction pad of the discharge tilting apparatus is formed and is movable in the vertical direction and is rotatable in a horizontal position with the conveyor belt at a vertical position for sucking the glass panel And a hand robot having at least a pair of finger fingers at a lower end thereof and arranged to move in a rail part in the same direction as the conveying direction of the conveyor belt.

Even if a failure occurs in the inline printing system in which various processes are performed in line, the buffering apparatus according to the present invention can perform normal operations even in the entire process or the post process without causing the entire line of the inline printing system to stop, It is possible to minimize the loss due to the impact.

In addition, since the glass panel conveyed by the conveyor belt can be completely automatically unloaded to the cassette or the glass panel of the loading cassette can be loaded on the conveyor belt to be supplied to the subsequent process, even if a failure occurs in the inline printing system, There is an effect that can be maintained without.

1 is a perspective view for explaining a concept of an inline buffering apparatus of the present invention;
Fig. 2 is a perspective view showing a schematic structure of the conveyor apparatus of Fig. 1; Fig.
3 is a perspective view of the unloading tilting apparatus;
4 is a perspective view showing the operation of the unloading tilting apparatus of FIG.
Figure 5 shows a schematic plan and side view of a loading tilting device.
6 shows the operation of the exhaust tilting device;
7 is a schematic perspective view of the unloading robot;
8 is a schematic front view of the ejection robot;
9 is a schematic side view of the discharge robot.
10 is a plan view and front view of a loading cassette;

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will now be described more fully hereinafter with reference to the accompanying drawings, in which embodiments of the invention are shown.

The present invention relates to an in-line printing system for manufacturing a glass panel (1) which is fed through a conveyor belt, for example, followed by a printing process, a drying process and a secondary printing process followed by a drying process, Unloading the glass panel to the cassette so as to automatically buffer the glass panel so that the unprocessed process can be continuously performed without stopping the line when the glass panel is loaded into the cassette or continuously supplying the glass panels loaded in the cassette to the subsequent process In-line printing system.

Fig. 1 is a perspective view for explaining the concept of the inline buffering apparatus of the present invention. Fig. 1 is a perspective view of a buffering apparatus for in-line, in which at least one glass panel 1 is provided with a conveyor belt 10 as a conveyance line, An unloading robot 20 for picking up the glass panel 1 and loading it onto a cassette, a loading robot 40 for picking up the glass panel 1 of the cassette and feeding it to a transfer line, and a loaded glass panel 1 An unloading cassette 80 for loading the unloaded glass panel, and a loading cassette 90 for feeding the loaded glass panel in the direction of the transfer line.

FIG. 2 shows a conveyor belt 10 used as the conveying line of FIG. 1, in which the cell phone glass can be conveyed in two rows of four cavities in the case of 3-6 " In case of changing the inch of the conveying glass panel 1, the inner guide can be easily changed by moving the inner guide, and the guide can be operated automatically and manually.

 An unloading tilting device 30 for raising the unloading robot 20 to pick up a glass cassette transported in a lying state on the conveying line; A loading tilting device 50 for loading the glass panel 1 in a lying state on the conveying line in a standing state and a discharge tilting device 70 for transferring the glass panels 1 from the conveyor belt to the tray of the subsequent process .

3 and 4, the unloading tilting apparatus 30 includes a frame 31 which can be moved up and down by an up-down cylinder 37, a frame 31 which is vertically movable in the frame, A plurality of suction pads 32 for vacuum suctioning the glass panel 1 and a link member 34 connected to one end of the pivot shaft for pivoting the pivot shaft 33 on which the pads are mounted, The link member includes a pad tilt cylinder (36) connected to the free end of the piston rod via a connecting member (35). When the piston rod of the pad tilt cylinder advances, the rotary shaft 33 rotates in the clockwise direction as shown in FIG. 3, and the suction pad 32 coupled to the rotary shaft is lifted upright . When the piston rod of the pad tilt cylinder 36 is retreated, the connecting member 35 and the link member 34 are pulled and the rotating shaft 33 is rotated counterclockwise so that the adsorption pads 32 are horizontally laid do.

Thus, in the normal state of the glass panel 1, the absorption pad 32 is held at the lower side of the conveyor 10, for example, when a failure occurs in the subsequent process, the glass panel 1, which is conveyed by the conveyor, The glass panel 1 is lifted onto the conveyor 10 by the up-down cylinder 37 so that the robot can unload the glass panel 1, and the glass panel 1 is transported in a lying state on the conveyor. The glass panel 1 is attracted to the pad tilt cylinder 36 For example, in the clockwise direction, so that the glass panel 1 is in a standing state. A guide member 38 inclined downward toward the front side of the frame 31 is disposed on both sides of the front side of each adsorption pad to guide the glass panel conveyed by the conveyor to smoothly move to the adsorption pad.

The adsorption pad 32 is provided with a pad having an opening opened in a 'C' shape in front and a vacuum adsorption hole formed in a lower side thereof, and a glass panel 1 adsorbed on the vacuum adsorption hole is supported on a pad And a support portion 39 spaced from the adsorption pad is formed at predetermined intervals. The state shown in the figure shows a state in which two glass panels 1 are adsorbed on the adsorption pad. A glass check sensor 29 is provided in the frame in front of the adsorption pad to judge whether the glass panel 1 has been moved onto the adsorption pad. It is preferable that the adsorption pad 32 and the guide member 38 are manually or automatically position-adjustable in the width direction on the pivot 33 in accordance with the size of the glass panel 1 to be processed.

5, the loading tilting apparatus 50 can be moved up and down by an up-down cylinder 51 so as to load the glass panel 1 loaded on the loading cassette 90 with the conveyor belt 10, A plurality of suction pads 53 provided on the rotary shaft 54 so as to be rotatable in the vertical direction in the horizontal direction in the frame so as to vacuum adsorb the glass panel 1, 3 is the same as the unloading tilting apparatus 30 of FIG. 3 in that it includes a pad tilt cylinder 55 linked to one end of the rotary shaft for rotating the rotary shaft 54. As shown in FIG.

However, the loading tilting apparatus 50 does not have the glass guide member 38 in the unloading tilting apparatus of Fig. 3, and the unloading tilting apparatus of Fig. 3 30). The reason for this is that the loading tilting apparatus 50 is configured such that the glass panel 1 picked up by the loading robot 40 to be described later can be vacuum-adsorbed from the back surface of the adsorption pad 53 in a state in which the adsorption pad 53 is erected, So that the glass panel 1 can be transported by the conveyor belt when the adsorption pad is laid horizontally, lower than the conveyor belt, and released to the adsorption pad.

In addition, the adsorption pad 53 adsorbing only the glass panel is placed in the frame 52 of the loading tilting apparatus 50, and is switched to a state in which the adsorption pad 53 is laid only horizontally. Thus, the glass panel 1 Since the guide part of the unloading tilting device 30 for guiding the glass panel 1 conveyed by the conveyor belt to the adsorption pad is not required. In the drawing, reference numeral 56 denotes a glass check sensor for judging whether or not the glass panel 1 is adsorbed on the adsorption pad.

The exhaust tilting device 70 schematically shown in Fig. 6 includes a frame vertically movable by an up-down cylinder 71, a frame 70 provided on the pivot shaft so as to be vertically rotatable in the horizontal direction in the frame, And a pad tilt cylinder 75 linked to one end of the pivot shaft for pivoting the pivot shaft 73 on which the pads are mounted, and a guide member, as shown in Fig. 3 Unloading tilting apparatus 30 shown in Fig.

As described with reference to FIGS. 3 and 4, when the unloading robot 20 picks up the glass panel 1, the unloading robot 20 picks up the glass panel 1 when the glass panel 1 adsorbed on the adsorption pad is lifted by the unloading tilting device 30, Unloading cassette, the unloading tilting apparatus 30 is lowered by the up-down cylinder so that the adsorption pad is kept under the conveyor.

7, the unloading robot 20 has a hand part 22 arranged to move in a rail 21 in the same direction as the conveying direction of the conveyor belt, and the hand part 22 The X-axis in the direction of the conveyor belt, the Y-axis in the width direction of the conveyor belt by the motor 24 and the Z-axis in the vertical direction by the motor 25 can be moved by the motor 23 in the rail part 21 . At the lower end of the hand unit 22, at least a pair of fingers 26 formed with a suction hole for vacuum-adsorbing the glass panel 1 are formed and moved in the X-axis direction, Axis direction in the direction of the conveyor belt width, and is then moved from the unloading cassette 80, which will be described later, to the fingers 26 in the direction of the Z-axis, So that the adsorbed glass panel 1 is loaded. The fingers can be suitably spaced and picked up according to the size of the glass panel.

The loading robot 40 for attaching the glass panel 1 to the finger portion of the hand portion by suction from the loading cassette 90 for loading a glass panel 1 to be described later also has a rail portion Wherein the hand portion is movable by the motor in the X-axis in the direction of the conveyor belt, the Y-axis in the width direction of the conveyor belt and the Z-axis in the vertical direction by the motor in the rail portion, And at least a pair of finger portions are provided at the lower end to form a suction hole for vacuum-adsorbing the glass panel, which is the same as the unloading robot 20 of Fig.

5, the loading robot 40 vacuum-sucks the glass panel 1 loaded on the loading cassette 90 from the suction holes of the finger portions to form a suction pad 53 without a support portion of the loading tilting device, In the present invention.

7 and 8 are also configured to operate in the X, Y, and Z axis directions by a motor and to have a configuration in which the finger unit 62 is provided at the lower end of the hand unit 61, And is the same as the loading robot 40. 7, in order to transfer the vacuum-adsorbed glass panel 1 to the fingers 62 of the hand portion 61 of the discharging robot 60 to the tray of the next process adjacent thereto, A finger tilt motor 65 and a finger pitch motor 66 may be provided to rotate the finger unit to a horizontal position at a vertically downward position. Further, the finger units 62 may rotate in a pitch Is changed.

9, an unloading cassette 80 for loading a glass panel unloaded in the width direction of the conveyor belt 10 in the buffering apparatus of the present invention, a loading cassette 80 for supplying a glass panel loaded in a subsequent process, (90). The unloading and loading cassettes 80 and 90 must be maintained in a predetermined position in the housing 91 for precise unloading or loading of the glass panel 1 by the robot, The cassette fixing cylinder 92 is disposed on one side and the cassette guide 93 is disposed on the other side so that the cassette is fixed to the cassette guide 93 by the fixed cylinder 92. [ At this time, a cassette lock confirmation sensor 94 is provided in the housing 91 to confirm the cassette fixing, and a glass panel check sensor 95 for confirming whether or not the glass panel 1 is present in the cassette is provided in the housing . The structure of the loading cassette 90 is the same as that of the unloading cassette 80.

Hereinafter, the operation of the buffering apparatus for an inline printing system of the present invention having the above-described structure will be described.

The buffering device for the inline printing system of the present invention is disposed, for example, between the printing and drying process of the glass panel 1 and the secondary printing and drying process, and if a failure occurs in the subsequent process, That is, the unloading cassette 80, is loaded on the glass panel.

The glass panel 1 normally processed in the previous process is transported in a lying state by the conveyor belt 10 and the pad tilt cylinder 36 of the unloading / Down cylinder 37 and placed on the conveyor belt 10 and then the pivoting cylinder 33 is rotated in the counterclockwise direction by the pad tilt cylinder 36 so that the front side is opened Shaped glass adsorption pad 32 is arranged in the same plane as the conveyor belt 10 so that the glass panel 1 is sandwiched between the adsorption pad 32 and the support 39 and adsorbed on the adsorption pad. Then, the piston rod of the pad tilt cylinder advances, and the adsorption pad 32 and the glass panel 1 adsorbed thereto are erected.

At this time, the unloading robot 20 operates to move the hand part 22 over the glass panel 1 and then descend to move the unloading tilting device 30 from the finger fingers 26 provided below the hand part 22, The glass panel adsorbed on the adsorption pad 32 of the unloading tilting apparatus 30 is lifted and lowered by the adsorption pad 32 of the unloading tilting apparatus 30 and then the hand unit 22 is moved up and down on the conveyor belt 10 So that the glass panel 1 can be loaded on the unloading cassette 80 and the glass panel 1 can be picked up on the conveyor belt 10 to be subsequently transported. In the case where a subsequent process of the glass panel processed in the previous process can not be performed due to the occurrence of a trouble in the subsequent process, the glass panels are stored in the cassette and stored, and then the obstacle in the subsequent process is eliminated, To be transferred to a subsequent process.

The unloading cassette 80 described above is mounted on the buffering device as the loading cassette 90 so that the subsequent process line is not stopped when a failure occurs on the front side of the buffering device of the present invention, .

After the loading cassette 90 on which the glass panels 1 subjected to the preliminary process have been mounted is mounted on the buffering device, the hand portion of the loading robot 40 moves in the width direction of the conveyor belt, The glass panel 1 is vacuum-adsorbed on the glass plate 1, and the glass panel 1 is moved up and down on the conveyor belt 10 to descend to the loading tilting apparatus 50. At this time, the loading tilting device 50 causes the frame 52 to move up and down by the up-down cylinder 51 so that the adsorption pad 53 is disposed on the conveyor belt 10 and then the adsorption pad 53 is fixed The loading tilt cylinder 55 is rotated counterclockwise so that the adsorption pad 53 is level with the conveyor belt 10 and then the frame 52 is lowered by the up- At this time, as the vacuum is released from the adsorption pad 53, the glass panel 1 is placed on the conveyor belt 10 and transported. This operation is repeated so that the glass panels 1 of the loading cassette 90 are transferred to the subsequent process so that even if a failure occurs in the previous process, the post process of the inline printing system can be normally performed without stopping.

After the glass panel 1 loaded on the loading cassette 90 is conveyed by the conveying belt by the loading robot 40 and the loading tilting apparatus 50 as described above, 1) is supplied.

That is, the glass panel 1, which is loaded on the conveyor belt 10 by the loading robot 40 in the loading cassette 90 and transported, has a discharge tilting device 70 having the same structure as that of the unloading tilting device 30 The frame is raised by the up-down cylinder so that the adsorption pad is moved upward from the lower side of the conveyor belt 10 and then the piston rod of the pad tilt cylinder is retracted, So that the adsorption pad is horizontally placed on the conveyor belt, and the glass panel 1 to be conveyed is inserted through the open inlet of the 'C' shaped adsorption panel and adsorbed on the adsorption pad. Then, the piston rod of the pad tilt cylinder advances, and the rotation axis of the pad tilt cylinder rotates in the clockwise direction, and the adsorption pad stands upright. Then, the hand portion 61 of the discharging robot 60 moves on the adsorption pad and then descends to attract the glass panel 1 to the adsorption hole of the fingering 62 (the vacuum state is released to the adsorption pad) ), The hand portion which has attracted the glass panel 1 to the suction holes of the finger portions is raised, and then the conveyor belt 10, the finger reflections 62 and the glass panel 1 sucked thereto are horizontally placed. In this state, The glass panel 1 is supplied to the tray of the subsequent process.

As described above, if the failure occurs in the previous process or the subsequent process in the inline printing system, the entire process is stopped. However, since the buffering device for the inline printing system of the present invention is provided, ) Loads the glass panel 1 on the unloading cassette 80 by the unloading robot 20 and the tilting device of the buffering device so that the previous process is normally performed. If a failure occurs in the previous process, (80) is mounted on the buffering device by the loading cassette (90), the glass panel on which the preliminary process carried on the loading cassette (90) by the loading robot (40) and the tilting device is supplied, So that the inline printing system can perform normal operations even if the in-line printing system is not stopped even when a failure occurs, It is possible to minimize the losses caused by her.

It is also possible to completely unload the glass panel 1 conveyed by the conveyor belt 10 to the cassette or to load the glass panel 1 of the loading cassette 90 onto the conveyor belt 10 for subsequent processing Therefore, even when a failure occurs, it can be maintained without a significant decrease in production efficiency.

In the above embodiment, the object to be buffered is the glass panel 1, but other similar items may be connected to the inline printing system in which various processes are connected inline. It will be obvious to those skilled in the art that the present invention can be applied to other pickup apparatuses and that the present invention is also within the technical scope of the present invention.

The present invention can be used in a buffering apparatus that allows a process of a line to be partially performed without stopping the entire line even in the event of a failure in an inline printing system in which several processes are connected in-line.

1: Glass panel 10: Conveyor belt
20: unloading robot, 21:
22, 61: Hand part 26, 62: Fingering
30: unloading tilting device 31, 52: frame
32, 53: absorption pad 33, 54:
36, 55,: Pad tilt cylinder 37, 51,: Up-down cylinder
40: Loading robot 60: Discharging robot
70: exhaust tilting device 81, 91: housing
82, 92: fixed cylinder 83, 93: guide
84, 94: sensors 85, 95: check sensor

Claims (8)

1. A buffering device for an inline printing system for buffering a glass panel in the event of a failure in an inline printing system in which several processes such as a printing process and a drying process are in-line, with the glass panel (1) being transported via a conveyor belt (10)
An unloading tilting device 30 for rotating the adsorption pad vacuum-adsorbed on the glass panel 1 horizontally conveyed by the conveyor belt 10 to a position erected in a horizontal position with the conveyor belt 10,
When the vacuum of the adsorption pad is released, the glass panel 1 is sucked to the unloading cassette 80 in a state in which the glass panel 1 vacuum-adsorbed on the adsorption pad of the unloading tilting device 30 is lifted, An unloading robot provided with a finger portion provided with a suction hole so as to be able to move in the Z-axis direction of the upper and lower sides so as to be loaded, and a hand portion adapted to move from the rail in the Y-axis direction in the width direction and the X-axis in the advancing direction of the conveyor belt (20), and
And an unloading cassette (80) for receiving a vacuum cleaned glass panel (1) in a suction hole of a finger portion of a hand portion moved in the width direction of the conveyor belt (10). A glass panel is buffered when an error occurs in an inline printing system in which various processes such as a printing process and a drying process are connected inline while the glass panel 1 is being conveyed through the conveyor belt 10, To a post-process, the buffering apparatus comprising:
A loading cassette 90 on which the glass panels 1 processed in the previous process are loaded,
The glass panel 1 loaded on the loading cassette 90 is loaded and conveyed by the conveyor belt 10 for the post process so that the glass panel 1 loaded on the loading cassette 90 is sucked A loading robot 40 provided at the lower end so as to be movable in the Z-axis direction of the upper and lower fingers and having a hand portion adapted to move from the rail in the Y-axis direction in the width direction and the X-axis in the moving direction of the conveyor belt 10,
And a suction pad for vacuum-adsorbing the glass panel (1) which is vacuum-released by being attracted to the finger of the loading robot (40) in a raised state. The glass panel (1) is placed on the upper surface of the conveyor belt And a loading tilting device (50) that is rotated under the conveyor belt (10) in a state where the adsorption pad is placed so as to dispose the vacuum so that the vacuum is released. The apparatus as claimed in claim 1, wherein the unloading tilting apparatus (30) comprises a frame, a pivot shaft mounted rotatably in the frame and fixed to the pads, a glass panel conveyed by the conveyor belt An up-down cylinder provided on a bottom surface of the frame so as to move the frame up and down such that an adsorption pad fixed to the rotation axis is disposed at a horizontal position from a lower side of the conveyor belt; And a piston rod for pivoting the pivot shaft so as to pivot the glass panel (1) in a state where the glass panel (1) is attracted to the raised position, the pad tilt cylinder being linked to the pivot shaft. 3. The apparatus according to claim 2, wherein the loading tilting apparatus (50) comprises: a pivot shaft which is installed on a frame so as to be vertically rotatable in a horizontal direction and to which a plurality of adsorption pads for vacuum adsorption of the glass panel (1) Down cylinder mounted on the underside of the frame so that the pad lifts up the frame to a horizontal position below the conveyor belt 10 at the lower side of the conveyor belt 10 and a conveyor belt 10 Characterized in that it comprises a pad tilt cylinder in which the end of the piston rod is linked to one end of the rotary shaft so that the glass panel (1) with the vacuum released from the suction pad is conveyed by the conveyor belt A buffering device for an inline printing system. The image forming apparatus according to claim 1, further comprising a loading cassette (90) on which the glass panels (1)
The glass panel 1 loaded on the loading cassette 90 is loaded and conveyed by the conveyor belt 10 for the post process so that the glass panel 1 loaded on the loading cassette 90 is sucked A loading robot 40 provided at the lower end so as to be movable in the Z-axis direction of the upper and lower fingers and having a hand portion adapted to move in the Y-axis direction in the width direction and the X-axis in the moving direction of the conveyor belt 10, and
And a suction pad for vacuum-adsorbing the glass panel (1) which is vacuum-released by being attracted to the finger of the loading robot (40) in a raised state. The glass panel (1) is placed on the upper surface of the conveyor belt Further comprising a loading tilting device (50) that is pivoted under the conveyor belt (10) in a state where the adsorption pad is placed so that the vacuum is released. The vacuum pump according to any one of claims 1 to 5, further comprising: a frame vertically movable by an up-down cylinder; a plurality of adsorption pads fixed to a pivot shaft mounted rotatably in the frame, A discharge tilting device including a pad tilt cylinder to which a piston rod is linked at one end of a rotary shaft so as to rotate the rotary shaft such that the suction pads are positioned at a horizontal position with respect to the conveyor belt 10,
A suction hole for vacuum suction of the glass panel 1 is formed when the vacuum is released from the suction pad of the discharge tilting device, and the suction hole is movable in the vertical direction, and the conveyor belt 10 Further comprising an evacuation robot having at least a pair of fingers rotatable in a horizontal position at the lower end thereof and having a hand arranged to move at a rail part in the same direction as the conveying direction of the conveyor belt A buffering device for an inline printing system. The buffering apparatus for an inline printing system according to any one of claims 1, 3, and 5, wherein the unloading adsorption pad is formed in a 'C' shape and spaced apart from the adsorption pad. The buffering device for an in-line printing system according to claim 3, wherein a guide member is formed on the frame so as to guide the adsorption pad to the adsorption pad, the glass panel being transported in a horizontal position with the conveyor belt.

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