CN112744585A

CN112744585A - Glass substrate conveying device

Info

Publication number: CN112744585A
Application number: CN202011196585.0A
Authority: CN
Inventors: 林必相
Original assignee: LG Display Optoelectronics Technology China Co Ltd
Current assignee: LG Display Optoelectronics Technology China Co Ltd
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2021-05-04

Abstract

The invention discloses a glass substrate conveying device, which belongs to the technical field of conveying and comprises a chamber and a plurality of conveying rollers arranged in the chamber, wherein the conveying rollers convey glass substrates along the horizontal direction; the air outlet is communicated with the lower part of the chamber, suction force is formed at the air outlet to suck air from the chamber, and flowing air flow is formed in the chamber. The flowing air flow brings out dust or foreign matters in the cavity to clean the cavity, so that the influence of the dust or the foreign matters on the performance of the glass substrate is avoided, the flowing air flow does not influence the conveying of the glass substrate, the production efficiency is not influenced, and the labor intensity is also reduced.

Description

Glass substrate conveying device

Technical Field

The invention relates to the technical field of conveying, in particular to a glass substrate conveying device.

Background

The glass substrate is an indispensable component of the display device, and in the automatic production, the glass substrate is generally transported by a transport device to be transferred from one station to another station.

The conveying device comprises a cavity and a plurality of conveying rollers arranged in the cavity, the cavity is provided with a feeding end and a discharging end, the conveying rollers are arranged between the feeding end and the discharging end at intervals, and the glass substrate is conveyed towards the discharging end from the feeding end through the rotation of the conveying rollers.

During the process of taking and placing the glass substrate, external dust or foreign matters can be brought in; foreign substances are also generated due to friction during rotation of the conveying roller. Dust or foreign matters in the cavity can be attached to the glass substrate, and the product performance is affected. The chamber is cleaned manually, cannot be cleaned completely, and the conveying needs to be stopped, so that the production efficiency is influenced.

Disclosure of Invention

The invention aims to provide a glass substrate conveying device, which aims to solve the technical problem that dust or foreign matters exist in a cavity of the conveying device in the prior art.

As the conception, the technical scheme adopted by the invention is as follows:

a glass substrate conveying device comprises a chamber and a plurality of conveying rollers arranged in the chamber, wherein the conveying rollers convey glass substrates along the horizontal direction, and the glass substrate conveying device further comprises:

the air inlet is communicated above the cavity and supplies air to the cavity;

and the air outlet is communicated with the lower part of the chamber, suction is formed at the air outlet to suck air from the chamber, and flowing air flow is formed in the chamber.

As a preferable scheme of the glass substrate conveying device, the plurality of gas inlets are arranged at intervals on the top of the chamber.

As a preferred scheme of the glass substrate conveying device, the glass substrate conveying device further comprises an air inlet pipeline, the air inlets are communicated with the air inlet pipeline, and the air inlet end of the air inlet pipeline is communicated with an air supply device.

As a preferable scheme of the glass substrate conveying device, the air supply device comprises an air supply pump, a first filter and a dryer which are arranged in sequence, and the dryer is connected with the air inlet pipeline.

As a preferable mode of the glass substrate conveying device, a pressure regulating valve is provided on the air inlet duct between the dryer and the air inlet.

As a preferable mode of the glass substrate conveying apparatus, the gas inlet pipe has a plurality of branch pipes, each branch pipe communicates with one of the gas inlets, and one of the pressure regulating valves is provided corresponding to each of the gas inlets.

As a preferable scheme of the glass substrate conveying device, a plurality of air outlets are provided, and the air outlets are arranged at intervals at the bottom of the chamber.

As a preferable mode of the glass substrate conveying device, the plurality of air outlets are annularly arranged around the circumference of the bottom of the chamber.

As a preferable mode of the glass substrate conveying device, the inner bottom surface of the chamber is a curved surface with a high middle part and a low periphery.

As a preferable scheme of the glass substrate conveying device, the glass substrate conveying device further comprises an exhaust pipeline, a plurality of air outlets are communicated with the exhaust pipeline, an exhaust end of the exhaust pipeline is communicated with an air suction device, and the air suction device provides suction force to the air outlets.

The invention has the beneficial effects that:

the glass substrate conveying device comprises a cavity and a plurality of conveying rollers arranged in the cavity, wherein the conveying rollers convey glass substrates along the horizontal direction, air inlets are communicated with the upper part of the cavity, air outlets are communicated with the lower part of the cavity, air is supplied into the cavity through the air inlets, suction is formed at the air outlets to exhaust the cavity, flowing air flow is formed in the cavity, and dust or foreign matters in the cavity are taken out to clean the cavity, so that the influence of the dust or the foreign matters on the performance of the glass substrates is avoided, the conveying of the glass substrates is not influenced by the flowing air flow, the production efficiency is not influenced, and the labor intensity is also reduced.

Drawings

FIG. 1 is a schematic view of a glass substrate conveying apparatus according to an embodiment of the present invention;

FIG. 2 is a schematic view of an exhaust duct provided by an embodiment of the present invention.

In the figure:

1. a chamber; 2. a conveying roller; 3. an air inlet; 4. an air outlet; 5. an air intake duct; 6. a gas supply device; 7. an exhaust duct; 8. and a suction device.

Detailed Description

Advantages and features of the present invention and methods of accomplishing the same will become apparent with reference to the following detailed description of the embodiments taken in conjunction with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but may be implemented in various forms, which are provided only to complete the disclosure of the present invention and make those skilled in the art sufficiently understand the scope of the present invention, and the present invention is limited only by the scope of the claims. Like reference numerals denote like constituent elements throughout the specification.

Hereinafter, the present invention is described in detail with reference to the accompanying drawings.

Fig. 1 is a schematic view of a glass substrate conveying apparatus according to an embodiment of the present invention, and arrows indicate the flow direction of gas. As shown in fig. 1, an embodiment of the present invention provides a glass substrate conveying device for conveying a glass substrate or a sheet-like article similar to the glass substrate.

The glass substrate conveying device comprises a chamber 1 and a plurality of conveying rollers 2 arranged in the chamber 1, wherein the conveying rollers 2 convey glass substrates in the horizontal direction, so that the glass substrates are prevented from inclining, and friction between the glass substrates and the conveying rollers 2 is avoided.

Specifically, the chamber 1 has a feeding end and a discharging end, and a plurality of conveying rollers 2 are arranged at intervals between the feeding end and the discharging end, and the glass substrate is conveyed from the feeding end to the discharging end by the rotation of the conveying rollers 2. The loading and unloading on the conveying roller 2 can be completed by a manipulator, and the description is omitted.

One row of the conveying rollers 2 may be provided in one chamber 1, and a plurality of rows of the conveying rollers 2 may be provided so as to convey a plurality of glass substrates at the same time. Conveying roller 2 is driven by actuating mechanism, and actuating mechanism can be the motor, and the motor shaft of motor passes through reduction gears and drives conveying roller 2 and rotate, and a motor can be shared to a plurality of conveying rollers 2, guarantees a plurality of conveying roller 2's synchronism simultaneously.

For a set of conveying device, can include a chamber 1, two chambers 1 or more than two chambers 1, can communicate between each chamber 1, also can independently set up. According to the actual requirement, each chamber 1 can adopt the technical scheme for removing the foreign matters provided by the embodiment of the invention.

The glass substrate conveying device also comprises a gas inlet 3 and a gas outlet 4, wherein the gas inlet 3 is communicated above the chamber 1, and the gas inlet 3 supplies gas into the chamber 1; the air outlet 4 is communicated with the lower part of the chamber 1, suction force is formed at the air outlet 4 to suck air from the chamber 1, and flowing air flow is formed in the chamber 1.

The flowing air flow can take out dust or foreign matters in the chamber 1 to clean the chamber 1, so that the influence of the dust or the foreign matters on the performance of the glass substrate is avoided, the flowing air flow does not influence the conveying of the glass substrate, the production efficiency is not influenced, and the labor intensity is also reduced.

The air inlet 3 can be directly arranged at the top of the chamber 1, and one or more air inlets 3 can be arranged corresponding to each chamber 1. In this embodiment, the plurality of air inlets 3 are arranged at intervals on the top of the chamber 1, so that the air flows enter from each position of the chamber 1 synchronously, thereby ensuring uniformity of the air flows.

Here, the arrangement of the plurality of intake ports 3 is not limited. When the top of the chamber 1 is rectangular, the plurality of gas inlets 3 may be arranged in a matrix; when the top of the chamber 1 is circular, the plurality of gas inlets 3 may be arranged in a ring shape.

Here, the shape of the intake port 3 is not limited, and may be circular, rectangular, triangular, or elliptical. The sectional area of the air inlet 3 can be uniform or variable, and if the sectional area of the air inlet 3 is gradually reduced from the air inlet end to the air outlet end, the air inlet speed is gradually increased, so that the foreign matters can be taken away more favorably. In the present embodiment, the intake port 3 is circular and has a uniform cross-sectional area.

The glass substrate conveying device further comprises an air inlet pipeline 5, the air inlets 3 are communicated with the air inlet pipeline 5, and the air inlet end of the air inlet pipeline 5 is communicated with the air supply device 6. The gas supply device 6 provides pressure for gas to convey the gas to the gas inlets 3 through the gas inlet pipelines 5, and the gas inlets 3 are communicated with the gas inlet pipelines 5 to share one gas supply device 6, so that the structure is simplified.

The air supply device 6 comprises an air supply pump, a first filter and a dryer which are arranged in sequence, and the dryer is connected with the air inlet pipeline 5. The gas supply pump is used for extracting gas and supplying the gas to the first filter, the first filter filters the gas and prevents impurities in the gas from entering the cavity 1, and the dryer dries the gas and avoids bringing moisture into the cavity 1.

Be provided with pressure regulating valve between desicator and air inlet 3 on inlet line 5, pressure regulating valve can adjust the pressure of the gas that gets into in chamber 1 to guarantee that dust and foreign matter can be taken away to pressure, can not cause the influence to other parts in the chamber 1 again.

The inlet duct 5 has a main pipe and a plurality of branch pipes each communicating with one of the inlet ports 3, and the pressure regulating valves may be provided one on the main pipe so that the pressure in each branch pipe is the same. Or, the pressure regulating valve is arranged on the branch pipe, and a pressure regulating valve is arranged corresponding to each air inlet 3, so that the pressure of each air inlet 3 can be regulated according to the requirement, and the air inlet pressure of each pressure regulating valve can be regulated according to different positions in the chamber 1 and different accumulation conditions of dust and foreign matters.

Optionally, a showerhead may be provided within the chamber 1 at the gas inlet 3 for injecting gas into the chamber 1. The nozzle is provided with a plurality of spray holes, and the spray holes can disperse and spray gas along various directions so as to increase the flow path of the gas and bring away dust and foreign matters at various positions in the chamber 1. The spray head can be rotatably connected with the chamber 1 to change the air spraying direction, so that dust and foreign matters at various positions in the chamber 1 can be taken away more conveniently.

The air outlet 4 can be directly arranged at the bottom of the chamber 1, and one or more air outlets 4 can be arranged corresponding to each chamber 1. In this embodiment, the air outlets 4 are provided in a plurality, and the air outlets 4 are arranged at intervals at the bottom of the chamber 1, so that the air flows out from each position of the chamber 1, and the uniformity of the air flow is ensured.

Here, the arrangement of the plurality of air outlets 4 is not limited. When the bottom of the chamber 1 is rectangular, the plurality of air outlets 4 may be arranged in a matrix; when the bottom of the chamber 1 is circular, the plurality of air outlets 4 may be arranged in a ring shape.

Here, the shape of the air outlet 4 is not limited, and may be circular, rectangular, triangular, or elliptical. In the present embodiment, the air outlet 4 is circular and has a uniform cross-sectional area.

The flow direction of gas is from the top down, gets into from air inlet 3, carries impurity such as dust and foreign matter in the chamber 1 and flows out from gas outlet 4, and air inlet 3 and gas outlet 4 can be just to setting up in vertical direction, also can the dislocation set, because air inlet 3 and gas outlet 4 all are provided with a plurality ofly, can also partly just to setting up, and partial dislocation set is convenient for gas to flow in chamber 1 to take away the impurity of each position in the chamber 1.

The glass substrate conveying device further comprises an exhaust pipeline 7, the gas outlets 4 are communicated with the exhaust pipeline 7, the exhaust end of the exhaust pipeline 7 is communicated with the air suction device 8, the air suction device 8 provides suction force for the gas outlets 4, so that gas can flow to the gas outlets 4 from the chamber 1 conveniently, the gas is discharged through the exhaust pipeline 7 under the action of the suction force, the gas outlets 4 are communicated with the exhaust pipeline 7, and the structure is simplified by sharing one air suction device 8.

The getter device 8 comprises a getter pump for drawing the gas in the exhaust duct 7 to the outside. The suction device 8 may also comprise a second filter which filters the gas, preventing impurities in the gas from entering the air.

In the present embodiment, the plurality of air outlets 4 are annularly arranged around the circumferential direction of the bottom of the chamber 1 to prevent the air outlets 4 from being blocked by the conveying rollers 2, the glass substrate, and other components in the chamber 1.

On this basis, the exhaust duct 7 is arranged annularly around the circumference of the bottom of the chamber 1, as shown in fig. 2, the plurality of air outlets 4 are all communicated with the exhaust duct 7, the exhaust duct 7 may have one air outlet or a plurality of air outlets, and the plurality of air outlets may share one air suction device 8. The arrows in fig. 2 show the direction of exhaust from the exhaust port.

On this basis, the interior bottom surface of chamber 1 is middle high, peripheral low curved surface to prevent that the slightly big foreign matter of weight from gathering in the bottom of chamber 1 and can't be taken away, and the setting of curved surface makes the foreign matter can slide to the periphery of chamber 1, is convenient for to be taken away by gas outlet 4 that circumference set up.

In order to ensure that sufficient suction force is provided at the air outlet 4, the sectional area of the air outlet 4 can be reduced, and the number of the air outlets 4 can be adjusted to ensure that sufficient suction force can take away dust and foreign matters.

Although the embodiments of the present invention have been described above with reference to the accompanying drawings, the present invention is not limited to the above embodiments, but may be manufactured in various forms, and those skilled in the art will appreciate that the present invention may be embodied in other specific forms without changing the technical spirit or essential features of the invention. It is therefore to be understood that the above described embodiments are illustrative and not restrictive in all respects.

Claims

1. The utility model provides a glass substrate conveyor, includes cavity (1) and sets up a plurality of conveying rollers (2) in cavity (1), glass substrate is carried along the horizontal direction to conveying roller (2), its characterized in that still includes:

the air inlet (3) is communicated above the cavity (1), and the air inlet (3) supplies air to the cavity (1);

the air outlet (4) is communicated with the lower part of the chamber (1), suction force is formed at the air outlet (4) to suck air from the chamber (1), and flowing air flow is formed in the chamber (1).

2. The glass substrate conveying device according to claim 1, wherein the gas inlet (3) is provided in plurality, and the plurality of gas inlets (3) are arranged at intervals at the top of the chamber (1).

3. The glass substrate conveying apparatus according to claim 2, further comprising an air inlet duct (5), wherein the plurality of air inlets (3) are all communicated with the air inlet duct (5), and an air inlet end of the air inlet duct (5) is communicated with an air supply device (6).

4. The glass substrate conveying apparatus according to claim 3, wherein the gas supply means (6) comprises a gas supply pump, a first filter and a dryer, which are arranged in this order, and the dryer is connected to the gas supply duct (5).

5. The glass substrate conveying apparatus according to claim 4, wherein a pressure regulating valve is provided on the gas inlet duct (5) between the dryer and the gas inlet (3).

6. The glass substrate conveying apparatus according to claim 5, wherein the gas inlet pipe (5) has a plurality of branch pipes, each branch pipe communicating with one of the gas inlets (3), one of the pressure regulating valves being provided corresponding to each of the gas inlets (3).

7. The glass substrate conveying apparatus according to any one of claims 1 to 6, wherein the gas outlet (4) is provided in plurality, and the plurality of gas outlets (4) are arranged at intervals at the bottom of the chamber (1).

8. The glass substrate conveying apparatus according to claim 7, wherein the plurality of gas outlets (4) are arranged in a ring shape around a circumference of the bottom of the chamber (1).

9. The glass substrate conveying apparatus according to claim 7, wherein the inner bottom surface of the chamber (1) is a curved surface having a high middle and a low periphery.

10. The glass substrate conveying device according to claim 7, further comprising an exhaust duct (7), wherein the plurality of air outlets (4) are all communicated with the exhaust duct (7), an exhaust end of the exhaust duct (7) is communicated with a suction device (8), and the suction device (8) provides suction to the air outlets (4).