CN216054633U

CN216054633U - Etching vacuum pad for liquid crystal display screen production

Info

Publication number: CN216054633U
Application number: CN202121955050.7U
Authority: CN
Inventors: 徐伟
Original assignee: Changshu Haowen Electronic Technology Co ltd
Current assignee: Changshu Haowen Electronic Technology Co ltd
Priority date: 2021-08-19
Filing date: 2021-08-19
Publication date: 2022-03-15
Anticipated expiration: 2031-08-19

Abstract

The utility model discloses an etching vacuum pad for producing a liquid crystal display screen, which comprises: the conductive layer is used for contacting glass, and the connecting layer is used for being fixed on the fork. The utility model has firm combination and light installation, and can not only conduct away the static electricity on the surface of the glass and reduce the ESD phenomenon, but also increase the friction force contacted with the glass, improve the stability and reduce the slide situation.

Description

Etching vacuum pad for liquid crystal display screen production

Technical Field

The utility model relates to a vacuum pad, in particular to an etching vacuum pad for producing a liquid crystal display screen.

Background

When the glass is made into a liquid crystal display screen, the glass is arranged on a fork and is conveyed into a chamber, and a vacuum pad is used at the position where the fork contacts the glass.

The vacuum pad used in the prior art is composed of an upper cover, a sealing ring and a lower cover, wherein the upper cover is matched with an inner ring of the sealing ring, the lower cover is matched with an outer ring of the sealing ring, the upper cover and the lower cover lock the sealing ring, one exposed surface of the sealing ring is in contact with glass, and the upper cover and the lower cover are symmetrically provided with two threaded holes for being fixedly connected with a fork. The disadvantages of this vacuum pad are: the glass sealing device is formed by combining a plurality of structures, so that the glass sealing device is very inconvenient to assemble and disassemble, the sealing ring is in line contact with the panel, the friction force is insufficient, the glass slides easily after being worn, and the glass is thrown out; the sealing ring is non-conductive, static electricity can be generated on the rear surface of the liquid crystal display screen made of glass, and the static electricity can not be conducted away due to the insulation of the sealing ring, so that an ESD (electro-static discharge) phenomenon is easily generated.

Thus, there is a need for improvements in the prior art.

SUMMERY OF THE UTILITY MODEL

The utility model provides an etching vacuum pad for liquid crystal display screen production, which is used for solving the problems.

The utility model adopts a technical scheme that: providing an etched vacuum pad for liquid crystal display production, comprising: the fork comprises a conducting layer and a connecting layer, wherein the conducting layer is used for contacting glass, the connecting layer is used for being fixed on the fork, the conducting layer and the connecting layer are combined together through a rubber coating process, connecting holes are formed in the connecting layer, through holes are formed in the conducting layer in positions corresponding to the connecting holes, and lines are designed on one surface, contacting the glass, of the conducting layer.

Further, the conducting layer is black high-temperature-resistant conducting rubber, and the connecting layer is made of hard alloy aluminum.

Furthermore, the connecting holes are two and are symmetrically arranged on the connecting layer, and correspondingly, the through holes are two and correspond to the positions of the connecting holes respectively.

Furthermore, the connecting layer is fixed on the fork through screws, and the connecting holes are large in top and small in bottom and used for accommodating heads of the screws.

Furthermore, the stripe route is composed of equally spaced horizontal stripes and vertical stripes.

Furthermore, the thickness of the horizontal stripes and the vertical stripes is within the range of 0.25-0.35mm, the distance between every two adjacent horizontal stripes or between every two adjacent vertical stripes is within the range of 0.55-0.65mm, and the protruding height of the grains relative to the surface, contacting the glass, of the conductive layer is within the range of 0.25-0.35 mm.

Further, the corrugation route is composed of equally spaced corrugation strips.

Further, the distance between the wave crest and the wave trough of a single corrugated strip is in the range of 0.45-0.55mm, and the distance between two adjacent corrugated strips is in the range of 0.45-0.55 mm.

The etching vacuum pad for producing the liquid crystal display screen has the beneficial effects that:

1. the vacuum pad is formed by combining a conductive layer and a connecting layer into a whole through an encapsulation process, and is convenient to mount;

2. the conductive layer replaces the original sealing ring, so that the contact area of the vacuum pad and the glass is changed from the original line contact into surface contact, the contact area is increased, and the stability is better;

3. the surface of the conducting layer is designed with lines, so that the friction force is greatly increased, and static electricity is easier to conduct away.

Drawings

FIG. 1 is a plan view of an etching vacuum pad for manufacturing a liquid crystal display panel according to a first embodiment of the present invention;

FIG. 2 is a side view of an etching vacuum pad for manufacturing a liquid crystal display panel according to a first embodiment of the present invention;

the parts in the drawings are numbered as follows: 1. conducting layer, 2, connecting layer, 11, through hole, 12, line, 21, connecting hole.

Detailed Description

The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the utility model easier to understand by those skilled in the art, and thus will clearly and clearly define the scope of the utility model.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "front", "rear", "horizontal", "vertical", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention, and do not indicate or imply that the referenced components or elements must have particular orientations, be constructed and operated in particular orientations, and thus, are not to be construed as limiting the present invention.

Referring to fig. 1 and 2, a first embodiment of the present invention provides an etched vacuum pad for liquid crystal display production, which is suitable for stably contacting a glass surface and conducting away static electricity during a liquid crystal display manufacturing process.

In this embodiment, the production of liquid crystal display is with etching vacuum pad includes: a conductive layer 1 and a connection layer 2.

Conducting layer 1 is black high temperature resistant rubber for contact glass surface, and articulamentum 2 is carbide aluminium for fix the fork with the vacuum pad, and conducting layer 1 combines together through the rubber coating technology with articulamentum 2, simple structure, simple to operate.

The design of the one side of 1 contact glass of conducting layer has line 12, and line 12 is the check design, comprises equidistant horizontal stripe (not mark) and vertical stripe (not mark), and the stripe of horizontal stripe and vertical stripe is thick 0.3mm, and the interval between the adjacent horizontal stripe or between the adjacent vertical stripe is 0.6mm, can greatly improve frictional force through the design of line.

Specifically, the lines 12 protrude 0.3mm from the surface of the conductive layer contacting the glass.

Two connecting holes 21 are symmetrically arranged on the connecting layer 2 and used for being fixed on the fork through screws, and correspondingly, through holes 11 are arranged on the conducting layer 1 corresponding to the connecting holes 21, so that the screws are convenient to detach.

Specifically, the connecting holes 21 are large in top and small in bottom for accommodating and adapting corresponding screws.

In the second embodiment of the present invention, the corrugation 12 is simply changed into a corrugated design, and is composed of equally spaced corrugation bars (not shown), the spacing between the wave crest and the wave trough of a single corrugation bar is 0.5mm, and the distance between two adjacent corrugation bars is 0.5mm, so that a stronger friction force is provided in the corrugation direction.

The rest of the design is the same as the first embodiment.

1. the split structure of the original vacuum pad is changed into an integral structure, namely the vacuum pad is combined into a whole by black conductive silica gel and hard alloy aluminum through a rubber coating process, so that the vacuum pad is firm in combination, simple in structure and convenient to install;

2. the silica gel has the characteristics of temperature resistance, wear resistance, strong corrosion resistance and easy static conduction, and is not easy to generate ESD phenomenon;

3. the conductive layer replaces the original sealing ring, so that the contact area of the vacuum pad and the glass is changed from the original line contact into surface contact, the contact area is increased, and the stability is better;

4. the surface of the conducting layer is designed with the grid lines or the corrugated lines, so that the friction force is greatly increased, the slide condition caused by the abrasion of the contact surface is greatly reduced, and the production efficiency is improved. The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. An etching vacuum pad for producing a liquid crystal display screen, comprising: the fork comprises a conducting layer and a connecting layer, wherein the conducting layer is used for contacting glass, the connecting layer is used for being fixed on the fork, the conducting layer and the connecting layer are combined together through a rubber coating process, connecting holes are formed in the connecting layer, through holes are formed in the conducting layer in positions corresponding to the connecting holes, and lines are designed on one surface, contacting the glass, of the conducting layer.

2. The etched vacuum pad for manufacturing lcd panel according to claim 1, wherein the conductive layer is black high temperature conductive rubber, and the connection layer is cemented carbide aluminum.

3. The etching vacuum pad for manufacturing lcd panel according to claim 1, wherein two of the connecting holes are symmetrically disposed on the connecting layer, and correspondingly, two of the through holes are respectively corresponding to the positions of the connecting holes.

4. The etching vacuum pad for manufacturing liquid crystal display screen according to claim 1, wherein the connection layer is fixed to the fork by screws, and the connection holes are large at the top and small at the bottom for receiving heads of the screws.

5. The etched vacuum pad for manufacturing liquid crystal display panel according to claim 1, wherein the pattern is composed of equally spaced horizontal and vertical stripes.

6. The etched vacuum pad for manufacturing liquid crystal display panel according to claim 5, wherein the thickness of the horizontal and vertical stripes is in the range of 0.25-0.35mm, the distance between the adjacent horizontal stripes or between the adjacent vertical stripes is in the range of 0.55-0.65mm, and the protrusion height of the stripes with respect to the side of the conductive layer contacting the glass is in the range of 0.25-0.35 mm.

7. The etched vacuum pad for manufacturing liquid crystal display panel according to claim 1, wherein the grooves are composed of equally spaced corrugated strips.

8. The etched vacuum pad for manufacturing liquid crystal display panels according to claim 7, wherein the pitch between the peaks and the valleys of the individual corrugated strips is in the range of 0.45 to 0.55mm, and the distance between the adjacent two corrugated strips is in the range of 0.45 to 0.55 mm.