CN210304280U

CN210304280U - Liquid crystal display glass powder spraying equipment

Info

Publication number: CN210304280U
Application number: CN201920647192.3U
Authority: CN
Inventors: 梅润泽; 周学文
Original assignee: Yongzhou Xinhuikai Technology Co ltd
Current assignee: Yongzhou Xinhuikai Technology Co ltd
Priority date: 2019-05-07
Filing date: 2019-05-07
Publication date: 2020-04-14
Anticipated expiration: 2029-05-07

Abstract

The utility model relates to a LCD glass equipment of dusting. The equipment comprises an alcohol component, a feeding arm and a telescopic rod arranged on a base of a powder spraying chamber, wherein the alcohol component comprises an alcohol spray head arranged at the front end of the feeding arm and an alcohol supply device arranged at the rear end of the feeding arm, and the alcohol spray head is communicated with the alcohol supply device through a guide pipe arranged on the feeding arm. The utility model provides a technical scheme can effectively improve the product yield that LCD glass dusted.

Description

Liquid crystal display glass powder spraying equipment

Technical Field

The utility model relates to a LCD technical field especially relates to a LCD glass equipment of dusting.

Background

When manufacturing a liquid crystal display, powder spraying processing needs to be performed on display glass. The powder spraying is mainly completed in a high-pressure powder spraying chamber, and generally, after glass is fed into the powder spraying chamber, the glass is suspended and supported by a plurality of plastic supporting columns and the upper surface of the glass is subjected to powder spraying. However, because the process of the support column contacting with the lower surface of the glass can generate certain static electricity, the glass to be sprayed is subjected to static electricity attachment, when powder is sprayed, particularly when the powder diameter is more than 7.0um, the phenomenon of obvious powder aggregation can occur near the contact area of the glass and the support column, the powder spraying on the glass is uneven, and the reject ratio of the liquid crystal display glass is improved.

SUMMERY OF THE UTILITY MODEL

To the not enough of prior art, the utility model provides a LCD glass equipment of dusting.

The utility model provides a LCD glass equipment of dusting, include alcohol subassembly, pay-off arm and set up the telescopic link on the room base of dusting, the alcohol subassembly including set up in the alcohol shower nozzle of pay-off arm front end and set up in the alcohol feeding device of pay-off arm rear end, the alcohol shower nozzle through set up in pipe on the pay-off arm with alcohol feeding device intercommunication.

The utility model provides a LCD glass equipment of dusting's beneficial effect is, the glass motion of at first waiting to spray powder to the feeding arm on, feeding arm structure similar fork truck's fork arm can carry out up-and-down motion or seesaw. The feeding arm feeds the glass into the powder spraying chamber, and at the moment, the telescopic rod extends out of the base to support the glass. When the glass is stabilized at the upper end of the telescopic rod, the feeding arm can be withdrawn from the powder spraying chamber, and alcohol is uniformly sprayed to the base by the alcohol spray nozzle at the front end of the feeding arm in the process of withdrawing and/or entering the powder spraying chamber. After the feeding arm exits the powder spraying chamber, the telescopic rod retracts into the base and is separated from the glass, the glass is abutted to the base, the lower surface of the glass is attached with alcohol, and due to diffusion movement of the alcohol, the alcohol is also attached to an area which is in contact with the telescopic rod before, so that static electricity on the glass is eliminated. And then the glass can be subjected to powder spraying operation through the powder spraying head. The influence of static electricity on powder spraying operation is effectively eliminated, so that the product yield of the glass powder spraying of the liquid crystal display is remarkably improved, and particularly when the powder diameter is more than 7.0um, the product yield can be improved from 25% to more than 96%.

On the basis of the technical scheme, the utility model discloses can also do following improvement.

Further, the alcohol supply device comprises a pressure regulating valve, a pressure tank, an alcohol bottle and an electromagnetic valve, wherein the pressure tank, the alcohol bottle and the guide pipe are sequentially communicated, the pressure regulating valve is arranged on the pressure tank, and the electromagnetic valve is arranged between the alcohol bottle and the guide pipe.

Adopt above-mentioned further scheme's beneficial effect is, through the air pressure valve change by the pressure vessel entering alcohol bottle's air pressure, make alcohol get into the pipe through the air action to spray through the alcohol shower nozzle, when need not spraying, can close the solenoid valve.

Further, the alcohol supply device further comprises a monitoring device, and the monitoring device is arranged on the alcohol bottle.

Adopt above-mentioned further scheme's beneficial effect be, monitoring devices can be manometer or level gauge, can be used to the condition such as pressure in the monitoring alcohol bottle and liquid level, guarantees the safe handling of alcohol.

Further, the equipment also comprises a controller and an alarm device, wherein the controller is electrically connected with the monitoring device and the alarm device respectively.

Adopt above-mentioned further scheme's beneficial effect be, when monitoring devices monitors that the alcohol liquid level is low the wait the condition, can send corresponding alarm signal by alarm device to relevant staff carries out work such as alcohol filling, and the condition that still sprays takes place when avoiding alcohol not enough.

Further, the alcohol spray head is communicated with the guide pipe through a connecting component, the connecting component comprises a shell with a hollow inner part and an opening at the upper end, and a cover plate covering the opening of the shell, the alcohol spray head comprises at least one spray pipe, at least one first through hole matched with the spray pipe is formed in the bottom wall of the shell, the spray pipe is fixed on the shell through the first through hole, a second through hole matched with the guide pipe is formed in the cover plate, and the guide pipe is respectively communicated with the spray pipes through the second through holes.

Adopt above-mentioned further scheme's beneficial effect be, the spray tube is fixed in on the casing through first through-hole, and the pipe gets into the inner chamber of casing through the second through-hole respectively with each spray tube intercommunication, and the spray tube can be the needle tube form, and a plurality of spray tubes spray jointly, can make alcohol spray more even, casing and apron accessible bolted connection.

Further, the conduit is a hose.

Adopt above-mentioned further scheme's beneficial effect is that, the pipe of hose form is changeed and is arranged, and it can be arranged in pay-off arm lower extreme or other suitable position departments to do not influence the pay-off arm and remove glass.

Further, when the telescopic rod retracts into the base, the upper end face of the telescopic rod is lower than the upper surface of the base.

Adopt above-mentioned further scheme's beneficial effect is that, when the telescopic link retracts the base, telescopic link and glass break away from, can make the alcohol on the base spread to the area of glass preceding with the telescopic link contact, make the effect of eliminating static better.

Further, the diameter of the telescopic rod ranges from 2 to 3 mm.

Adopt above-mentioned further scheme's beneficial effect is that, the diameter of telescopic link is less, then also less with the area of glass contact, after telescopic link and glass break away from, the alcohol on the base diffuses more easily and covers the region to all preceding glass and telescopic link contact, makes the effect of eliminating static better.

Further, the number of the telescopic rods is at least one.

Adopt above-mentioned further scheme's beneficial effect be, can select different quantity telescopic link to support glass according to actual conditions to make the support stable, and minimize area of contact.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

FIG. 1 is a schematic structural diagram of a conventional powder spraying apparatus for a glass of a liquid crystal display;

fig. 2 is a schematic structural diagram of a liquid crystal display glass powder spraying apparatus according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a glass powder spraying device of a liquid crystal display according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a glass powder spraying device of a liquid crystal display according to an embodiment of the present invention;

FIG. 5 is a schematic structural view of an alcohol supply device according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a connecting member according to an embodiment of the present invention.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

As shown in fig. 1, the conventional glass powder spraying apparatus for a liquid crystal display includes a powder spraying chamber 1, and a powder spraying head 11 and a supporting rod which are located in the powder spraying chamber 1. When the powder spraying operation is carried out, the glass 2 is supported by the supporting rod, and certain static electricity is generated in the contact area of the supporting rod and the glass 2, so that the powder aggregation phenomenon is caused, and the powder spraying on the glass 2 is not uniform.

As shown in fig. 2, fig. 3 and fig. 4, the liquid crystal display glass powder spraying apparatus provided by the embodiment of the present invention includes an alcohol component, a feeding arm 3 and a telescopic rod 12 disposed on a base 13 of the powder spraying chamber 1, the alcohol component includes an alcohol nozzle 41 disposed at the front end of the feeding arm 3 and an alcohol supply device disposed at the rear end of the feeding arm 3, and the alcohol nozzle 41 is communicated with the alcohol supply device through a conduit disposed on the feeding arm 3.

In this embodiment, the glass 2 to be powder-sprayed is first moved onto the feeding arm 3, and the feeding arm 3 is configured like a fork arm of a forklift and can move up and down or back and forth, wherein the up and down movement can be driven by a cylinder, and the back and forth movement can be driven by a servo motor. The feeding arm 3 feeds the glass 2 into the powder spraying chamber 1, and at the moment, the telescopic rod 12 extends out of the base 13 to support the glass 2. When the glass 2 is stabilized at the upper end of the telescopic rod 12, the feeding arm 3 can be withdrawn from the powder spraying chamber 1, and in the process of withdrawing and/or entering the powder spraying chamber 1, the alcohol nozzle 41 at the front end of the feeding arm 3 uniformly sprays alcohol to the base 13. After the feeding arm 3 exits the powder spraying chamber 1, the telescopic rod 12 retracts into the base 13 and is separated from the glass 2, so that the glass 2 is abutted to the base 13, the lower surface of the glass 2 is adhered with alcohol, and due to diffusion movement of the alcohol, the alcohol is adhered to the area which is in contact with the telescopic rod 12 before, and static electricity on the glass 2 is eliminated. The glass 2 can then be dusted by the dusting head 11, in which case the glass 2 can be lifted again by the telescopic rod 12 or still be located on the base 13. The influence of static electricity on powder spraying operation is effectively eliminated, so that the product yield of the glass powder spraying of the liquid crystal display is remarkably improved, and particularly when the powder diameter is more than 7.0um, the product yield can be improved from 25% to more than 96%.

Preferably, as shown in fig. 5, the alcohol supply means includes a pressure regulating valve 42, a pressure tank 43, an alcohol bottle 44, and a solenoid valve 45, the pressure tank 43, the alcohol bottle 44, and the conduit pipe are sequentially communicated, the pressure regulating valve 42 is provided on the pressure tank 43, and the solenoid valve 45 is provided between the alcohol bottle 44 and the conduit pipe.

In the preferred embodiment, the pressure of the air entering the alcohol bottle 44 from the pressure tank 43 is varied by the pressure regulating valve 42, alcohol is pneumatically introduced into the conduit and sprayed through the alcohol spray head 41. When spraying is not required, the solenoid valve 45 may be closed.

Preferably, the alcohol supply device further comprises a monitoring device 46, and the monitoring device 46 is arranged on the alcohol bottle 44.

In the preferred embodiment, the monitoring device may be a pressure gauge or a liquid level gauge, which can be used to monitor the pressure and liquid level in the alcohol bottle 44, so as to ensure the safe use of alcohol.

Preferably, the apparatus further comprises a controller and an alarm device, the controller being electrically connected to the monitoring device 46 and the alarm device, respectively.

In the preferred embodiment, when the monitoring device 46 monitors that the alcohol level is too low, the alarm device may send a corresponding alarm signal to prompt the relevant staff to perform alcohol filling and other operations, so as to avoid the situation that the spraying is still performed when the alcohol is insufficient.

It should be noted that the controller can be realized by the control device of the feeding arm 3, which is originally provided with the device, and can be electrically connected with the pressure regulating valve, the electromagnetic valve and other components to realize corresponding control.

Preferably, as shown in fig. 6, the alcohol spray head is communicated with the conduit through a connecting member, the connecting member includes a housing 51 with a hollow interior and an open upper end, and a cover plate 52 covering the opening of the housing 51, the alcohol spray head 41 includes at least one nozzle, the bottom wall of the housing 51 is provided with at least one first through hole 511 matching with the nozzle, the nozzle is fixed to the housing 51 through the first through hole 511, the cover plate 52 is provided with a second through hole 521 matching with the conduit, and the conduit is communicated with each nozzle through the second through hole 521.

In the preferred embodiment, the nozzle is fixed on the housing 51 through the first through hole 511, the conduit is connected to the cover plate 52 through the joint, and enters the inner cavity of the housing 51 through the second through hole 521 to be respectively communicated with each nozzle, the nozzle can be in a needle tube shape, a plurality of nozzles spray together, alcohol can be sprayed more uniformly, and the housing 51 and the cover plate 52 can be connected through bolts.

In addition, the connecting component is fixedly connected with the feeding arm 3, and the connecting component can be arranged at the lower end of the feeding arm 3 or other suitable positions, so that the moving of the glass 2 by the feeding arm 3 is not influenced.

Preferably, the conduit is a hose.

In the preferred embodiment, the conduit in the form of a hose is easier to arrange, and it can be arranged at the lower end of the feeder arm or at another suitable location, so as not to interfere with the movement of the glass by the feeder arm.

Accordingly, other conduits for communication, such as a conduit for communicating the pressure tank 43 and the alcohol bottle 44, may be selected from flexible tubes so that the movement of the feeding arm 3 is not restricted by the conduits.

Preferably, when the telescopic rod 12 is retracted into the base 13, the upper end surface of the telescopic rod 12 is lower than the upper surface of the base 13.

In the preferred embodiment, when the telescopic rod 12 retracts into the base 13, the telescopic rod 12 is separated from the glass 2, so that the alcohol on the base 13 can be diffused to the area, which is in contact with the telescopic rod 12, before the glass 2, and the static electricity eliminating effect is better.

Preferably, the diameter of the telescopic rod 12 ranges from 2 to 3 mm.

In the preferred embodiment, the diameter of the telescopic rod 12 is smaller, so that the contact area with the glass 2 is smaller, and after the telescopic rod 12 is separated from the glass 2, the alcohol on the base 13 is more easily diffused and covers all the contact area between the glass 2 and the telescopic rod 12, so that the static electricity eliminating effect is better.

Preferably, the number of telescopic rods 12 is at least one.

In the preferred embodiment, different numbers of telescopic rods 12 can be selected to support the glass 2 according to actual conditions, so that the support is stable, and the contact area is reduced as much as possible.

It is to be noted that the feed arm 3 may be provided in plurality in parallel with each other. Because the feeding arm 3 is a cantilever structure and the telescopic rod 12 is a columnar structure, the feeding arm 3 can not collide with the telescopic rod 12 when entering the powder spraying chamber 1 by setting a proper relative position relation.

The reader should understand that in the description of this specification, reference to the description of the terms "one embodiment," "some embodiments," "an example," "a specific example" or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The liquid crystal display glass powder spraying equipment is characterized by comprising an alcohol component, a feeding arm (3) and a telescopic rod (12) arranged on a base (13) of a powder spraying chamber (1), wherein the alcohol component comprises an alcohol spray head (41) arranged at the front end of the feeding arm (3) and an alcohol supply device arranged at the rear end of the feeding arm (3), and the alcohol spray head (41) is communicated with the alcohol supply device through a guide pipe arranged on the feeding arm (3).

2. A powder spraying apparatus for liquid crystal display glass as claimed in claim 1, wherein the alcohol supply means comprises a pressure regulating valve (42), a pressure tank (43), an alcohol bottle (44) and a solenoid valve (45), the pressure tank (43), the alcohol bottle (44) and the conduit are in communication in sequence, the pressure regulating valve (42) is disposed on the pressure tank (43), and the solenoid valve (45) is disposed between the alcohol bottle (44) and the conduit.

3. A liquid crystal display glass powder spraying apparatus according to claim 2, characterized in that the alcohol supply means further comprises a monitoring device (46), the monitoring device (46) being arranged on the alcohol bottle (44).

4. A liquid crystal display glass powder spraying apparatus according to claim 3, further comprising a controller and an alarm device, the controller being electrically connected to the monitoring device (46) and the alarm device, respectively.

5. The glass powder spraying device for the liquid crystal display according to any one of claims 1 to 4, wherein the alcohol spray head is communicated with the conduits through a connecting member, the connecting member comprises a shell (51) which is hollow inside and is open at the upper end, and a cover plate (52) which covers the opening of the shell (51), the alcohol spray head (41) comprises at least one spray pipe, at least one first through hole (511) which is matched with the spray pipe is formed in the bottom wall of the shell (51), the spray pipe is fixed to the shell (51) through the first through hole (511), a second through hole (521) which is matched with the conduits is formed in the cover plate (52), and the conduits are respectively communicated with the spray pipes through the second through holes (521).

6. A liquid crystal display glass dusting device according to claim 5 whereby the conduit is a hose.

7. A liquid crystal display glass powder spraying device according to any of claims 1 to 4, characterized in that the upper end surface of the telescopic rod (12) is lower than the upper surface of the base (13) when the telescopic rod (12) is retracted into the base (13).

8. A liquid crystal display glass powder spraying device according to claim 7, characterized in that the diameter of the telescopic rod (12) is in the range of 2 to 3 mm.

9. Liquid crystal display glass powder spraying device according to claim 7, characterized in that the number of telescopic rods (12) is at least one.