阅读说明：本技术 应用于盖板内表面的加工设备、盖板及显示设备 (Be applied to processing equipment, apron and display device of apron internal surface ) 是由 张宸 朱曦 方峥 涂贵 魏小凡 单祯宇 彭乙 王�琦 庞孟媛 周超 李汉波 于 2021-07-13 设计创作，主要内容包括：本申请公开了一种应用于盖板内表面的加工设备、盖板及显示设备,其中,一种应用于盖板内表面的加工设备,包括：磨削装置,用于对盖板基材的内表面进行磨削,所述磨削装置为环形带状；传动装置,用于驱动所述磨削装置对盖板基材的内表面进行磨削,以及用于形成所述磨削装置的仿形形状；其中,所述磨削装置套设在所述传动装置上,所述传动装置包括若干主动轮和若干从动轮,所述主动轮和所述从动轮的固定位置限制所述磨削装置的形状。本申请实施例提供的应用于盖板内表面的加工设备,适用于整形、异性等各种类型的盖板结构。进一步提升磨削、抛光工艺均匀性和时效性,效率提升缩短生产时间,扩大产能进一步降低成本。(The application discloses be applied to processing equipment, apron and display device of apron internal surface, wherein, a processing equipment who is applied to apron internal surface includes: the grinding device is used for grinding the inner surface of the cover plate base material and is in an annular belt shape; the transmission device is used for driving the grinding device to grind the inner surface of the cover plate base material and forming the profile shape of the grinding device; the grinding device is sleeved on the transmission device, the transmission device comprises a plurality of driving wheels and a plurality of driven wheels, and the fixed positions of the driving wheels and the driven wheels limit the shape of the grinding device. The processing equipment applied to the inner surface of the cover plate is suitable for cover plate structures of various types such as shaping and anisotropic structures. The uniformity and the timeliness of the grinding and polishing process are further improved, the efficiency is improved, the production time is shortened, the productivity is enlarged, and the cost is further reduced.)

1. A tooling apparatus for application to an interior surface of a cover plate, comprising:

the grinding device is used for grinding the inner surface of the cover plate base material and is in an annular belt shape;

the transmission device is used for driving the grinding device to grind the inner surface of the cover plate base material and forming the profile shape of the grinding device;

the grinding device is sleeved on the transmission device, the transmission device comprises a plurality of driving wheels and a plurality of driven wheels, and the fixed positions of the driving wheels and the driven wheels limit the shape of the grinding device.

2. The tooling apparatus of claim 1 wherein the grinding means comprises a belt tensioned over the drive means and profiling the inner surface of the decking substrate and brushes disposed on the outer surface of the belt.

3. A finishing apparatus as claimed in claim 1, in which the grinding means comprises a sanding belt for tensioning on the drive and profiling the inner surface of the cover substrate.

4. The processing equipment applied to the inner surface of the cover plate as claimed in claim 1, wherein the cover plate base material is sleeved on the grinding device, the cover plate base material comprises a first straight line section and a second straight line section which are arranged in parallel and a connecting section for connecting the first straight line section and the second straight line section, and the connecting section is in a circular arc shape.

5. The processing equipment applied to the inner surface of the cover plate as claimed in claim 4, wherein the transmission device comprises two driving wheels and a plurality of driven wheels, the driving wheels and the driven wheels are positioned on the same straight line, the driving wheels are positioned at two ends of the grinding device, and the size of the driving wheels is matched with that of the circular arc of the connecting section.

6. The processing equipment applied to the inner surface of the cover plate as claimed in claim 1, wherein the cover plate base material is reversely buckled on the grinding device, the cover plate base material comprises a third straight line section and a bent section positioned at least one of two ends of the third straight line section, and the bent section is in a circular arc shape.

7. The processing equipment applied to the inner surface of the cover plate as claimed in claim 6, wherein the transmission device comprises two driving wheels and a plurality of driven wheels, the driving wheels and the driven wheels are positioned on the same straight line, the driving wheels are positioned at two ends of the grinding device, and the size of the driving wheels is matched with the size of the circular arc of the bent section.

8. The processing apparatus applied to the inner surface of the cover plate as set forth in claim 1, wherein the width of the grinding means is matched to the width of the cover plate base material.

9. The processing apparatus applied to the inner surface of the cover plate as set forth in claim 1, further comprising a spraying device for spraying polishing liquid to the surface of the grinding device.

10. The tooling apparatus applied to the interior surface of the cover plate of claim 1 further comprising a pressure applicator for applying pressure to the exterior surface of the cover plate substrate.

11. A cover plate, characterized in that it is manufactured by the manufacturing apparatus for an inner surface of a cover plate for a display device according to any one of claims 1 to 9.

12. A display device comprising the cover plate of claim 10.

Technical Field

The application relates to the technical field of display, in particular to a processing device applied to the inner surface of a cover plate, a cover plate and a display device.

Background

With the continuous development of display technology, display devices have been widely applied to daily life and work of people, and with the wide application of curved screens to electronic devices such as mobile phones, tablet computers and smart watches, higher requirements are also put forward on the processing precision of curved glass cover plates.

Traditional process scheme adopts single gyro wheel to rotate, because the unable even spraying of polishing crocus is on the polished surface, especially R angle and inner wall department, can't send the crocus to the demand polishing position to make the cutting output not enough, can't reach the target cutting output and lead to the current polishing scheme brush seal of display device apron serious.

Disclosure of Invention

In view of the above-mentioned drawbacks and deficiencies of the prior art, it is desirable to provide a processing apparatus, a cover plate and a display apparatus applied to an inner surface of the cover plate, which can be applied to various cover plate types, improve grinding accuracy, save man-hours and reduce costs.

In a first aspect, the present application provides a processing apparatus for application to an inner surface of a cover plate, comprising:

the grinding device is used for grinding the inner surface of the cover plate base material and is in an annular belt shape;

the transmission device is used for driving the grinding device to grind the inner surface of the cover plate base material and forming the profile shape of the grinding device;

the grinding device is sleeved on the transmission device, the transmission device comprises a plurality of driving wheels and a plurality of driven wheels, and the fixed positions of the driving wheels and the driven wheels limit the shape of the grinding device.

Optionally, the grinding device comprises a belt for tensioning on the drive and profiling the inner surface of the cover substrate, and a brush disposed on an outer surface of the belt.

Optionally, the grinding device comprises a sanding belt for tensioning on the transmission and profiling the inner surface of the cover substrate.

Optionally, the cover plate base material is sleeved on the grinding device and comprises a first straight line section and a second straight line section which are arranged in parallel and a connecting section used for connecting the first straight line section and the second straight line section, and the connecting section is arc-shaped.

Optionally, the transmission device comprises two driving wheels and a plurality of driven wheels, the driving wheels and the driven wheels are located on the same straight line, the driving wheels are located at two ends of the grinding device, and the size of the driving wheels is matched with the size of the circular arc of the connecting section.

Optionally, the cover plate base material is reversely buckled on the grinding device, the cover plate base material comprises a third straight line section and a bending section located at least one of two ends of the third straight line section, and the bending section is in a circular arc shape.

Optionally, the transmission device comprises two driving wheels and a plurality of driven wheels, the driving wheels and the driven wheels are located on the same straight line, the driving wheels are located at two ends of the grinding device, and the size of the driving wheels is matched with the size of the arc of the bending section.

Optionally, the width of the grinding device is matched to the width of the cover substrate.

Optionally, the polishing device further comprises a spraying device for spraying polishing liquid to the surface of the grinding device.

Optionally, a pressure applying device is further included for applying pressure to the outer surface of the cover substrate.

In a second aspect, the present application provides a cover plate obtained by processing the processing equipment for the inner surface of the cover plate of the display device as described above.

In a third aspect, the present application provides a display device comprising the cover plate described above.

The technical scheme provided by the embodiment of the application can have the following beneficial effects:

the processing equipment who is applied to apron internal surface that this application embodiment provided overlaps through the banded grinding device of annular and establishes on transmission, last action wheel of transmission with from the fixed position restriction of driving wheel grinding device's shape is applicable to various types of apron structures such as plastic, opposite sex. The grinding and polishing of the whole surface of the cover plate are completed while the annular belt-shaped grinding device rotates, the uniformity and the timeliness of the grinding and polishing process are further improved, the production time is shortened due to the improvement of the efficiency, and the productivity is enlarged to further reduce the cost.

Drawings

Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:

fig. 1 is a schematic structural diagram of a processing apparatus applied to an inner surface of a cover plate according to an embodiment of the present application;

FIG. 2 is a schematic structural diagram of another processing apparatus applied to an inner surface of a cover plate according to an embodiment of the present application;

100. a cover plate substrate; 200. a grinding device; 300. a transmission device; 400. a spraying device; 10. a brush; 20. a driving wheel; 30. a driven wheel.

Detailed Description

The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

The glass cover plate is manufactured by a plurality of procedures of glass cutting, Computer Numerical Control (CNC), polishing, tempering, silk printing, inspection and the like, and the glass raw material can basically meet the drawing shape requirement of the glass cover plate after being processed by the procedures of cutting and computer Numerical Control precision machining. However, the inner surface of the processed glass cover plate may have processing tool marks, and the surface and performance requirements of the glass cover plate can be met only by a polishing process.

Referring to fig. 1 in detail, the present application provides a processing apparatus applied to an inner surface of a cover plate, including:

a grinding device 200 for grinding the inner surface of the cover plate base material 100, wherein the grinding device 200 is in the shape of an annular belt;

a driving device 300 for driving the grinding device 200 to grind the inner surface of the cover substrate 100 and for forming a profile shape of the grinding device 200;

the grinding device 200 is sleeved on the transmission device 300, the transmission device 300 comprises a plurality of driving wheels 20 and a plurality of driven wheels 30, and the fixing positions of the driving wheels 20 and the driven wheels 30 limit the shape of the grinding device 200.

The outer surface of the cover substrate 100 refers to a surface of the cover that is exposed to the outside of the display device when the cover is mounted on the display device. The inner surface of the cover plate substrate 100 refers to a surface facing away from the outer surface, and the inner surface of the cover plate substrate 100 is attached and fixed to the display panel after being prepared into a cover plate by processes such as grinding and the like.

In the present embodiment, the grinding device 200 includes a belt for tensioning on the driving device 300 and profiling the inner surface of the cover substrate 100, and a brush 10 disposed on the outer surface of the belt.

In the present implementation, the grinding device 200 includes a sanding belt for tensioning on the transmission 300 and profiling the inner surface of the cover substrate 100.

The surface treatment of the cover plate comprises grinding treatment, sweeping and grinding treatment, flat grinding treatment, polishing treatment and the like. The surface treatment method and the grinding device 200 are selected according to different processes, for example, according to the embodiment of the present application, the sweeping process may be performed by using the brush 10; the flat grinding process may be performed using one of a carpet, and a polishing cloth.

It should be noted that the grinding device 200 of the present application can be provided in various forms, with different grinding manners or roughness, and can be applied to different application scenarios, for example, as a rough grinding manner, a sand belt manner is adopted, and when a fine grinding is performed, a brush 10 manner is adopted. This is not limited by the present application.

In addition, the fixing positions of the driving wheel 20 and the driven wheel 30 on the transmission device 300 limit the shape of the grinding device 200, and the grinding device is suitable for various cover plate structures such as shaping and different shapes. Therefore, the present application exemplifies the shape of the cover plate, and the positions of the driving pulley 20 and the driven pulley 30 can be adjusted according to the shape of the cover plate in a specific application.

In one embodiment, the cover plate substrate 100 is sleeved on the grinding device 200, and the cover plate substrate 100 includes a first straight line section and a second straight line section which are arranged in parallel, and a connecting section for connecting the first straight line section and the second straight line section, wherein the connecting section is in a circular arc shape.

As shown in fig. 1, the cover plate structure is a ring structure and can be directly sleeved on the grinding device 200, and the inner surface can be in contact with the grinding device 200, so that when polishing treatment is performed, the entire surface of the inner surface of the cover plate can be ground or polished together by the rotation of the grinding device 200.

The transmission device 300 includes two driving wheels 20 and a plurality of driven wheels 30, the driving wheels 20 and the driven wheels 30 are located on the same straight line, the driving wheels 20 are located at two ends of the grinding device 200, and the size of the driving wheels 20 is matched with the size of the circular arc of the connecting section.

It should be understood that the present application illustrates one location for the actuator 300, and in other embodiments, may be adjusted based on the size and shape of the cover plate. In the embodiment shown in fig. 1, the dimensions of the driving wheel 20 and the driven wheel 30 limit the tension of the grinding device 200 and the friction with the cover plate, which results in different grinding effects, which is also directly related to the grinding capacity of the grinding device 200, the material of the cover plate, etc., and can be specifically adjusted in a specific application.

In one embodiment, the cover plate substrate 100 is reversely fastened on the grinding device 200, and the cover plate substrate 100 includes a third straight line section and a curved section at least one of two ends of the third straight line section, and the curved section is in a circular arc shape.

The transmission device 300 includes two driving wheels 20 and a plurality of driven wheels 30, the driving wheels 20 and the driven wheels 30 are located on the same straight line, the driving wheels 20 are located at two ends of the grinding device 200, and the size of the driving wheels 20 is matched with the size of the circular arc of the bending section.

As shown in fig. 2, the cover plate structure is a 3D glass cover plate structure, the grinding device 200 is reversely buckled, the grinding device 200 is configured to grind the inner surface of the cover plate by profiling, and when the cover plate structure is specifically configured, the friction between the grinding device 200 and the inner surface can be increased by increasing the outer surface.

It should be noted that, in the embodiments of the present application, the radius of curvature of each position in the cover plate is not specifically limited. In a specific application, different driving wheels 20 and driven wheels 30 can be selected according to different curvature radiuses of different positions of the cover plate, and the position of the grinding device 200 is adjusted through the curvature radiuses of the driving wheels 20 and the driven wheels 30 so as to match the shape of the cover plate.

In addition, the width of the grinding device 200 is matched to the width of the cover substrate 100.

The cover plate applicable to the embodiment of the application includes a single-curved 3D cover plate and a double-curved 3D cover plate, the single-curved 3D cover plate is a curved shape that only two opposite sides of the cover plate substrate 100 are curved toward the back side of the cover plate, and the double-curved 3D cover plate is a curved shape that four sides of the cover plate are curved toward the back side of the cover plate.

In a specific arrangement, when the edge of the single-curved 3D cover plate in the width direction is a plane, the driving wheel 20 and the driven wheel 30 may be in a flat shape, so that the surface of the grinding device 200 is a plane to match the edge of the single-curved 3D cover plate. When the edge of the hyperbolic 3D cover plate in the width direction is a curved surface, the driving wheel 20 and the driven wheel 30 with both ends bent may be used, so that the surface of the grinding device 200 is curved to match the edge of the hyperbolic 3D cover plate.

In addition, the processing equipment for the inner surface of the cover plate of the display device in the embodiment of the present application further includes a spraying device 400 for spraying polishing liquid to the surface of the grinding device 200. The liquid medicine in the polishing liquid spray valve is directly sprayed on the hairbrush 10, and the position needing polishing is driven to enter through the rotation of the hairbrush 10, so that the contact surface is increased, the polishing effect is improved, and the product form is optimized.

It should be noted that, the embodiment of the present application shows a manner of spraying polishing solution, and in other embodiments, a dipping manner may also be included, for example, a storage box for polishing solution is provided, and when the grinding device 200 rotates, the dipping is directly performed, and the polishing solution is brought into a position to be polished by rotating the brush 10. The extension without departing from the inventive concept of the present application belongs to the protection scope of the present application.

In addition, the processing apparatus for the inner surface of the cover plate of the display device in the embodiment of the present application further includes a pressure applying device for applying pressure to the outer surface of the cover plate substrate 100. The surface pressure is applied to the cover plate through the pressing device during grinding, so that the friction force is increased, the grinding removal amount is improved, and the polishing effect is optimized.

In the embodiment of the present application, an embodiment of pressing on the outer surface of the cover plate is shown, and in other embodiments, the friction force may be increased by performing adsorption on the inner surface. This is not particularly limited by the present application.

It should be noted that, according to the embodiment of the present invention, the processes including the vertical grinding and polishing process or the inclined grinding and polishing process can be performed by adjusting the axial directions of the driving pulley 20 and the driven pulley 30. The glass substrate is taken as an example for illustration, and the grinding and polishing treatment performed on the 2.5D or 3D glass substrate with other structures has the same technical effect, and is not described herein again.

In a second aspect, the present application provides a cover plate obtained by processing the processing equipment for the inner surface of the cover plate of the display device as described above.

In the embodiments of the present application, the material of the cover plate is glass. Glass is a molten, cooled, solidified amorphous inorganic substance with a series of very excellent properties: transparent, hard, good corrosion resistance, heat resistance and optical properties. Due to the excellent performance of glass, the glass is widely used on smart phones, such as mobile phone screens, mobile phone battery covers and the like.

In other embodiments, different cover plate materials in the prior art can be used. And is not particularly limited herein.

In a third aspect, the present application provides a display device comprising the cover plate described above.

The display device in the embodiment of the application may be a television, or may be a display device with a display function, such as a PC, a smart phone, a tablet computer, an e-book reader, an MP3(Moving Picture Experts Group Audio Layer III, motion Picture Experts compression standard Audio Layer) player, an MP4(Moving Picture Experts Group Audio Layer IV, motion Picture Experts compression standard Audio Layer) player, a portable computer, or the like.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Unless defined otherwise, technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. Terms such as "disposed" and the like, as used herein, may refer to one element being directly attached to another element or one element being attached to another element through intervening elements. Features described herein in one embodiment may be applied to another embodiment, either alone or in combination with other features, unless the feature is otherwise inapplicable or otherwise stated in the other embodiment.

The present invention has been described in terms of the above embodiments, but it should be understood that the above embodiments are for purposes of illustration and description only and are not intended to limit the invention to the scope of the described embodiments. It will be appreciated by those skilled in the art that many variations and modifications may be made to the teachings of the invention, which fall within the scope of the invention as claimed.