TW201321319A - Glass panel cutting apparatus having double controller - Google Patents

Abstract

Disclosed herein is a glass panel cutting apparatus having a double controller. The apparatus includes a loading unit, a glass panel transport unit, a scribing unit and a breaking unit. The glass panel transport unit transports or carries the glass panel to allow the operation of cutting the glass panel to be conducted. The scribing unit functions to form a scribing line on the glass panel. The breaking unit is disposed ahead of the scribing unit with respect to a direction in which the glass panel is carried. The double controller comprises a PC unit and a PLC unit. The glass panel transport unit is connected both to the PC unit and to the PLC unit so that the PC unit controls the transporting of the glass panel that allows a scribing unit to scribe the glass panel, and the PLC unit controls the carrying of the glass panel.

Description

Glass panel cutting device with dual controller

The invention relates to a glass panel cutting device with dual controllers, in particular to a glass panel cutting device with dual controllers capable of controlling different components by dual controller programmable controller unit and programmable logic controller unit In turn, the control speed and accuracy of the control system and stability can be improved.

In general, plasma display surfaces, liquid crystal display panels (LCD), light-emitting diode (LED) displays, organic electroluminescent panels, inorganic electroluminescent panels, transmissive projection panels, reflective projection panels, etc. Widely used as a flat panel display. The process of these flat panel displays includes a unit glass panel that cuts a brittle mother glass panel (MOTHER GLASS PANEL, hereinafter referred to as a "glass panel") into a predetermined size.

The process of cutting the glass panel comprises moving a cutting wheel of a cutting wheel, the material of which is a diamond, and the cutting wheel is cut under a pressure along a predetermined cutting line on the glass panel. Forming a scribing line on the glass panel; and a breaking process by applying pressure to the glass panel and providing a bending moment to the glass panel, or by providing vapor to the glass panel and cutting the wire The crack is widened.

As described above, the cutting process is performed by a cutting unit, and the breaking process is performed by a breaking unit. Therefore, a glass panel cutting device includes a cutting unit and a breaking unit.

In a conventional glass panel cutting apparatus, the cutting program and the breaking program are separately controlled by two programmable controller units (PC units), which are one of the controllers of the cutting device.

In addition, in the prior art, the programmable controller units control all operations, including the handling operation after loading the glass panel, the cutting operation of the glass panel, and the handling operation of the cut glass panel.

At the same time, the glass panel cutting device further comprises a programmable logic controller unit (PLC unit), which is used as another controller, but the programmable logic controller unit is only used for control functions in a few places, for example, only one Host system communication control function.

In contrast, the programmable controller units need to control all programs (such as cutting programs, breaking programs, etc.), information management, glass panel handling operations, etc., therefore, the programmable controller units have a large amount of load, When the situation is serious, the system performance may be degraded. In other words, the stability of the overall system cannot be ensured.

In order to solve the above problems, it is an object of the present invention to provide a glass panel cutting device having a dual controller capable of selectively determining high speed and precision control and stability control for processing relatively small amounts of data, thereby reducing the Program the load on the controller unit.

To achieve the above object, a glass panel cutting apparatus having a dual controller according to the present invention includes a loading unit, a glass panel transfer unit, a cutting unit, and a rupturing unit. Wherein, the loading unit is for loading a glass panel, the glass panel is used for cutting into a plurality of unit glass panels; the glass panel conveying unit is for transporting or transporting the glass panel for performing one cutting process of the glass panel; the cutting unit is The cutting unit is configured to form a cutting line on the glass panel; the rupturing unit is disposed in front of the cutting unit along a conveying direction of the glass panel, wherein the rupturing unit is used To rupture the glass panel. The dual controller includes a programmable controller unit and a programmable logic controller unit, and the glass panel transfer unit is connected to the programmable controller unit and the programmable logic controller unit, so the programmable controller unit controls the transfer glass panel so that The cutting unit performs the cutting action of the glass panel, and the programmable logic controller unit controls the handling glass panel.

In one embodiment, the glass panel transfer unit includes a motor and a conveyor belt driven by the motor, and the programmable controller unit and the programmable logic controller unit are coupled to the motor.

In one embodiment, a controller switch is coupled between the motor and a dual controller having a programmable controller unit and a programmable logic controller unit, and the controller switch selects a programmable controller unit or Program the logic controller unit.

In an embodiment, the rupture unit is controlled by a programmable logic controller unit system.

In one embodiment, the glass panel cutting apparatus further includes a clamping unit that moves the clamping glass panel toward the cutting unit, wherein the clamping unit is controlled by the programmable controller unit.

In one embodiment, the glass panel cutting device further comprises an optical scale and a load cell, the optical ruler is disposed on one of the cutting heads of the cutting unit, and the optical ruler measures a displacement of a cutting wheel, and the load cell is measured by The cutting head is applied to one of the pressures of the glass panel, wherein the optical scale and the load cell are controlled by a programmable logic controller unit.

In one embodiment, the glass panel cutting device further includes a pair of position portions and a transfer unit, wherein the alignment portion is disposed on the loading unit, and the transfer unit takes out the unit glass panels that are broken by the rupture unit, and The alignment unit and the transfer unit are controlled by a programmable logic controller unit.

In an embodiment, the cutting unit further comprises a guiding rod and a cutting element, wherein the cutting element moves along the guiding rod, and the moving direction thereof is perpendicular to the conveying direction of the glass panel, and the movement of the cutting element is Controlled by the controller unit.

100‧‧‧Loading unit

110‧‧‧Parts

200‧‧‧glass panel transfer unit

210‧‧‧Conveyor belt unit

211‧‧‧Conveyor belt

220‧‧‧ conveyor belt frame

300‧‧‧Cutting unit

310, 320‧‧‧ cutting head

310a, 320a‧‧‧ Guide

311, 321‧‧‧ load weight

330‧‧‧ optical ruler

350‧‧‧Image Camera

400‧‧‧Clamping unit

410‧‧‧Clamping body

420‧‧‧glass panel fixture

430‧‧ ‧ Fixture Moving Department

500‧‧‧breaking unit

600‧‧‧ Lifting platform

700‧‧‧ Controller

710‧‧‧Programmable controller unit

720‧‧‧Programmable Logic Controller Unit

730‧‧‧Selection switch

800‧‧‧Motor

810‧‧‧Serval amplifier

900‧‧‧Controller Switcher

G1‧‧‧glass panel

G2‧‧‧ unit glass panel

S‧‧‧ cutting elements

1 is a perspective view of a glass panel cutting device in accordance with a preferred embodiment of the present invention.

Figure 2 is a side elevational view showing the load cell and cutting element shown in Figure 1.

Figure 3 is a perspective view of the cutting element shown in Figure 2.

4 is a schematic view showing a control structure of a glass panel cutting device having a dual controller according to the present invention.

FIG. 5 is a schematic structural view of the dual controller shown in FIG. 4.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a glass panel cutting apparatus having a dual controller according to a preferred embodiment of the present invention will be described with reference to the accompanying drawings, wherein the same elements will be described with the same reference numerals.

1 is a perspective view of a glass panel cutting device according to a preferred embodiment of the present invention, FIG. 2 is a side view showing the load cell and the cutting member shown in FIG. 1, and FIG. 3 is a cutting member shown in FIG. FIG. 4 is a schematic view showing the control structure of the glass panel cutting device with dual controllers of the present invention, and FIG. 5 is a schematic structural view of the dual controller shown in FIG.

As shown in FIG. 1, a glass panel cutting device includes a loading unit 100, a glass panel transfer unit 200, a cutting unit 300, a clamping unit 400, and a rupturing unit 500. A glass panel G1 can be cut into a plurality of unit glass panels G2, which are loaded into the loading unit 100; the glass panel transport unit 200 transports and carries the glass panel G1 to perform the glass panel G1. a cutting process; the cutting unit 300 is disposed at a predetermined portion of the glass panel transfer unit 200 to form a cutting line on the glass panel G1; in addition, the rupture unit 500 is disposed before the cutting unit 300 along the conveying direction of the glass panel G1. The rupture unit 500 is movable along a working line to break the glass panel G1, thereby cutting the glass panel G1 into a unit glass panel G2 along the cutting line; the clamping unit 400 is clamping the glass panel G1 toward the cutting unit 300 moves.

First, the glass panel G1 as the target to be cut is placed on the loading unit 100, wherein the glass panel G1 can be placed on the loading unit 100 through a separate robot arm or the like.

Then, the glass panel G1 placed on the loading unit 100 is transported to the glass panel transfer unit 200 to start the cutting operation of the subsequent glass panel G1. As described above, the loading unit 100 can be a simple roller conveyor belt or a timing belt, so that the loading unit 100 can accurately transport the glass panel G1 to the glass panel transport unit 200.

As shown in FIG. 1, the loading unit 100 of this embodiment is a timing belt. Further, the loading unit 100 further includes a plurality of conveyor belts (not shown), and therefore, after receiving the glass panel G1 from the robot arm, the conveyor belt can transport the glass panel G1 to the glass panel transfer unit 200.

The loading unit 100 further includes a aligning portion 110 for aligning the glass panel G1 of the loading unit 100; wherein the aligning portions 110 are correspondingly disposed at opposite corners of the glass panel G1 and are used for supporting the glass The corner of the panel G1, and then the alignment glass panel G1.

The glass panel transfer unit 200 is used to transport or carry the glass panel G1, and covers most of the area of the glass panel cutting device, that is, as shown in FIG. 1, except for the loading unit 100. The transport or carry of the glass panel G1 in other parts of the glass panel cutting apparatus is performed by the glass panel transfer unit 200. The glass panel transfer unit 200 has the above functions to transport the glass panel G1 in the X-axis direction (as shown in FIG. 1).

In the present embodiment, the glass panel transport unit 200 is a conveyor belt; in detail, the glass panel transport unit 200 includes a conveyor belt frame 220 and a plurality of conveyor belt units 210, wherein the conveyor belt unit 210 is along The conveying direction of the glass panel G1 is set to the conveyor belt frame 220 in one direction.

Each conveyor belt unit 210 includes a motor (not shown) and a conveyor belt 211 that is driven to rotate by a motor.

According to the above structure, the operation of the glass panel cutting device of the present invention will be described later.

First, the glass panel G1 to be cut is transported to the loading unit 100 by a robot arm or the like.

After the glass panel G1 is transported to the loading unit 100 by a robot arm or the like, the glass panel G1 is initially aligned by the alignment portion 110 of the loading unit 100.

Then, the initially aligned glass panel G1 is transported to the glass panel transport unit 200 and carried on the transport belt 211; then, by rotating the transport belt 211, the glass panel G1 carried on the glass panel transport unit 200 is carried. The cutting unit 300 is moved in the X-axis direction.

Thereafter, a cutting line is formed on the upper surface and the lower surface of the glass panel G1 by the relative movement between the glass panel transfer unit 200 and the cutting unit 300.

In detail, as shown in FIG. 2, before the cutting operation is performed on the surface of the glass panel G1, the pressure generated by the downward movement of the cutting head 310 on one of the upper cutting elements S is measured by the load cells 311 and 321 respectively, and The pressure generated by the lower cutting head 320 is moved downward by one of the cutting elements S, wherein the load cells 311 and 321 are disposed at positions corresponding to the upper and lower cutting elements S. In addition, a separate control signal is used to cause a regulator (not shown) or the like to adjust the pressure to a predetermined reference pressure.

Next, the upper and lower X-axis cutting lines are formed on the upper and lower surfaces of the glass panel G1 by the upper cutting head 310 and the lower cutting head 320; in detail, when the upper cutting head 310 and the lower cutting head 320 are respectively fixed to the upper guiding rod In the case of the 310a and the lower guide 320a, the glass panel transfer unit 200 moves the glass panel G1, so that the upper and lower X-axis cutting lines can be formed on the upper and lower surfaces of the glass panel G1, respectively. In addition, upper and lower Y-axis cutting lines may be formed on the upper and lower surfaces of the glass panel G1; in detail, when the glass panel transfer unit 200 is stationary, the upper cutting head 310 and the lower cutting head 320 respectively follow the upper guide Since the rod 310a and the lower guide rod 320a are moved, upper and lower Y-axis cutting lines can be formed on the upper and lower surfaces of the glass panel G1, respectively.

Meanwhile, when the upper and lower cutting lines are formed on the upper and lower surfaces of the glass panel G1, the clamping unit 400 holds the rear end of the glass panel G1 (relative to the conveying direction of the glass panel G1) to avoid the glass panel G1. Shaking.

The clamping unit 400 includes a clamping body 410, a plurality of glass panel fixtures 420, and a clamp moving portion 430. The clamping body 410 is disposed above the glass panel transport unit 200 and oriented in the Y-axis direction, and the glass panel The clamp 420 is disposed on the clamping body 410 for clamping the rear end of the glass panel G1, and the clamp moving portion 430 moves the clamping body 410 along the X-axis direction.

A separate control signal is used to command the clamping unit 400 to clamp the glass panel G1.

As described above, when the grip unit 400 holds the glass panel G1, the glass panel transfer unit 200, the cutting unit 300, and the grip unit 400 are operated in synchronization to form a cut line on the glass panel G1.

Then, the glass panel transfer unit 200 transports the glass panel G1 on which the cut lines are formed on the opposite surfaces to the rupture unit 500 in the X-axis direction.

In this embodiment, the rupture unit 500 can be pressed against the glass panel G1 by a separate control signal, and at the same time, a bending moment can be provided, or the vapor of the glass panel G1 can be supplied and the crack of the cutting line can be changed. It is wide, and the operation of breaking the glass panel G1 is completed to form the unit glass panel G2.

Finally, the unit glass panel G2 is transported onto the lifting platform 600 and allowed to be taken out.

In the present invention, as shown in FIG. 5, the controller 700 optionally includes a Programming a controller unit (PC unit) 710 and a programmable logic controller unit (PLC unit) 720, which outputs an operation signal to a motor (not shown), thereby operating the glass panel transfer unit 200 (in particular) conveying belt 211.

For example, in the controller 700 described above, the programmable controller unit 710 controls the transfer operation of the glass panel G1, or moves the cutting element S along the transfer direction perpendicular to the glass panel G1 to cause the cutting unit 300 to cut the glass. The panel G1, and the programmable logic controller unit 720 controls the handling operation of the glass panel G1.

Under the above structure, the programmable controller unit 710 can provide high speed and accurate control required during the cutting operation, and the programmable logic controller unit 720 can avoid system performance degradation during the handling operation.

In detail, the programmable controller unit 710 is the first choice for control operations requiring high speed operation or multiple step interpolation (16 steps or more). Therefore, the programmable controller unit 710 can be used to perform a cutting operation, such as transport. The glass panel G1 moves the cutting element S in the Y-axis direction or controls the Z-axis motor of the cutting head 310 (311 as shown in FIG. 3). In addition, according to the control operation characteristics of the programmable logic controller unit 720, it is suitable for a specific part. Therefore, the programmable logic controller unit 720 processes the data at a relatively low speed, so the programmable logic controller unit 720 is preferably It is applied to an operation requiring high stability, such as an operation of carrying the glass panel G1 from the loading unit 100, or carrying out the operation of the cut glass panel G1.

That is, in the dual controller 700 having the programmable controller unit 710 and the programmable logic controller unit 720, one of the programmable controller unit 710 and the programmable logic controller unit 720 can be selected as the case requires.

To achieve the above objective, as shown in FIG. 5, a controller switch 900 (or multiplexer) is disposed in the motor 800 and the dual controller 700 having the programmable controller unit 710 and the programmable logic controller unit 720. between.

In detail, one of the programmable controller unit 710 or the programmable logic controller unit 720 selects a signal to be input to the controller switch 900 via a selection switch 730, and then, when cutting or carrying the glass panel G1 The controller switcher 900 appropriately selects one of the programmable controller unit 710 and the programmable logic controller unit 720 of the dual controller 700 to control the motor 800.

As shown in FIG. 5, the controller switch 900 outputs a signal to the servo amplifier 810 for amplifying the signal, and the amplified signal is transmitted to the motor 800.

As described above, whether it is performing the operation of cutting or carrying the glass panel G1, one of the programmable controller unit 710 and the programmable logic controller unit 720 of the dual controller 700 can be selected (suitable for the operating conditions) Therefore, system stability can be improved and performance degradation can be avoided. Finally, the present invention can avoid the following problems, such as a decrease in productivity of a glass panel cutting device, an additional manpower required, and the like.

In addition, as shown in FIGS. 1 and 2, the clamping unit 400 moves along the cutting unit 300 during the cutting operation. Therefore, it is preferable to control the operation of the glass panel jig 420 by the programmable controller unit 710.

It should be noted that the position of the cutting line must be determined before the cutting line is formed. As shown in FIG. 3, the image camera 350 is adjacent to the cutting head 310 for determining the position of the cutting line, that is, according to the image camera 350. The captured image is controlled to adjust the position of the cutting head 310 at the guide bar 310a.

Preferably, the programmable camera unit 710 is used to control the image camera 350 and to be connected to an output component (such as a display) to achieve precise control.

At the same time, referring to FIG. 1 and FIG. 4, the programmable logic controller unit 720 preferably controls the loading unit 100 to perform the pre-alignment operation of the alignment unit 110, the operation of the rupture unit 500, and the transfer unit (not shown). Actuation to obtain the unit glass panel G2 from the lifting platform 600; and the operation of the turning unit (not shown) to flip the unit glass panel G2.

Moreover, as shown in FIG. 3 and FIG. 4, the programmable logic controller unit 720 preferably controls one of the optical scales 330 on the cutting head 310 of the cutting unit 300 to measure the displacement of the cutting cutter wheel 320, and controls the load cell 311. And 321 to measure the pressure applied to the glass panel G1 by the cutting head 310.

Similarly, as shown in FIG. 1 and FIG. 4, the programmable logic controller unit 720 preferably controls an optical scale (not shown) disposed on a rupture head (not shown) of the rupture unit 500 to measure the rupture roller. The displacement (not shown) and the control load cell are used to measure the pressure applied to the glass panel G1 by the rupture head.

As described above, in the glass panel cutting device of the present invention, the programmable controller unit and the programmable logic controller unit constituting the dual controller are connected to the glass panel transfer sheet. And the programmable controller unit controls the conveying operation of the glass panel, so that the cutting unit performs the cutting operation of the glass panel, and the programmable logic controller unit controls the handling operation of the glass panel. The programmable controller unit can perform high-speed and precise control, and the programmable logic controller unit can perform stable control and process relatively small amount of data. The present invention can select a programmable controller unit or programmable logic for the situation. The controller unit, therefore, the load applied to the programmable controller unit can be suitably dispersed to enhance the system stability of the glass panel cutting device.

In particular, if the glass panel transport unit includes a conveyor belt unit, and the conveyor belt unit includes a motor and a conveyor belt driven by the motor, the programmable controller unit and the programmable logic controller unit are all connected to the motor. Therefore, the load applied to the programmable controller unit can be appropriately reduced.

In addition, a controller switch is disposed between the dual controller and the motor, so the controller switch can appropriately select one of the programmable controller unit and the programmable logic controller unit according to the situation.

Furthermore, since the programmable logic controller unit controls the rupture unit, the load applied to the programmable controller unit can be further reduced.

In addition, the programmable controller unit controls the clamping unit to clamp the glass panel during the cutting operation. Therefore, the programmable controller unit can control the conveying operation of the glass panel during the cutting operation, and the control panel is synchronously realized. The operation of the unit and the operation of conveying the glass panel simplifies the control of the device.

Furthermore, in the cutting device of the present invention, the optical scale and the load cell are controlled by the programmable logic controller unit, and the alignment unit and the transfer unit are also controlled by the programmable logic controller unit, so that it can be appropriately The load of the programmable controller unit is distributed to the programmable logic controller unit.

The above is intended to be illustrative only and not limiting. Any equivalent modifications or alterations to the spirit and scope of the invention are intended to be included in the scope of the appended claims.

100‧‧‧Loading unit

110‧‧‧Parts

200‧‧‧glass panel transfer unit

210‧‧‧Conveyor belt unit

211‧‧‧Conveyor belt

220‧‧‧ conveyor belt frame

300‧‧‧Cutting unit

310a‧‧‧Upper guide

320a‧‧‧ lower guide

400‧‧‧Clamping unit

410‧‧‧Clamping body

420‧‧‧glass panel fixture

430‧‧ ‧ Fixture Moving Department

500‧‧‧breaking unit

600‧‧‧ Lifting platform

G1‧‧‧glass panel

G2‧‧‧ unit glass panel

S‧‧‧ cutting elements

Claims (8)

A glass panel cutting device having a dual controller, the glass panel cutting device comprising: a loading unit for loading a glass panel, wherein the glass panel is used for cutting into a plurality of unit glass panels; a glass panel transfer unit for transporting or transporting the glass panel to perform a cutting process of the glass panel; a cutting unit disposed at a predetermined portion of the glass panel transport unit, wherein the cutting unit is Forming at least one cutting line on the glass panel; and a rupturing unit disposed in front of the cutting unit along a conveying direction of the glass panel, wherein the rupturing unit is configured to rupture the glass panel; The dual controller includes a programmable controller unit and a programmable logic controller unit, the glass panel transfer unit is coupled to the programmable controller unit and the programmable logic controller unit, and thus the programmable controller unit Controlling the transfer of the glass panel, so that the cutting unit performs the cutting action of the glass panel, and the programmable logic control Train control unit handling of the glass panel. The glass panel cutting device of claim 1, wherein the glass panel transfer unit comprises a motor and a conveyor belt driven by the motor, and the programmable controller unit and the programmable logic controller unit Connected to the motor. The glass panel cutting device of claim 2, wherein a controller switch is connected between the motor and the dual controller having the programmable controller unit and the programmable logic controller unit. The controller switch selects the programmable controller unit or the programmable logic controller unit. The glass panel cutting device of any one of claims 1 to 3, wherein the rupture unit is controlled by the programmable logic controller unit. The glass panel cutting device according to any one of claims 1 to 3, further comprising: a clamping unit that moves the glass panel toward the cutting unit, wherein the clamping unit is Controlled by the programmable controller unit. The glass panel cutting device according to any one of claims 1 to 3, further comprising: an optical ruler disposed on one of the cutting heads of the cutting unit, wherein the optical ruler measures a cutting blade One of the wheel displacements; and a load cell that measures the pressure applied by the cutting head to the glass panel; wherein the optical scale and the load cell are controlled by the programmable logic controller unit. The glass panel cutting device according to any one of claims 1 to 3, further comprising: a pair of seats disposed on the loading unit; and a transfer unit that is taken out by the rupture The unit glass panel in which the unit is broken; wherein the alignment portion and the transfer unit are controlled by the programmable logic controller unit. The glass panel cutting device according to any one of claims 1 to 3, wherein the cutting unit further comprises: a guiding rod; and a cutting element moving along the guiding rod and moving The direction is perpendicular to one of the glass panel handling directions; wherein movement of the cutting element is controlled by the programmable controller unit.