CN211546334U - Etching rack and etching basket tool - Google Patents

Abstract

The utility model provides an etching rack and etching basket utensil, the etching rack, include the rack body and be located a plurality of side teeth on the rack body, the rack body includes parallel opposition's first surface and second surface, the width of first surface is greater than the width on second surface, a plurality of side tooth arrays arrange in on the second surface, every side tooth include the bottom surface and the slope of rectangle set up in four sides on the bottom surface, four sides are in vertical projection on the bottom surface is located in the bottom surface, and two arbitrary are relative the side with the contained angle that the bottom surface becomes is the same. The utility model provides an etching rack can avoid the vortex phenomenon of etching solution among the etching process, promotes etching efficiency. The utility model also provides an etching basket utensil, this etching basket utensil is stable to glass substrate's thinization rate, and thickness homogeneous, the production yield is high.

Description

Etching rack and etching basket tool

Technical Field

The utility model relates to a glass etching technical field especially relates to an etching rack and etching basket utensil.

Background

The liquid crystal display is one of the flat panel displays widely used at present, and has the characteristics of low power consumption, thin profile, light weight and the like. In order to comply with the trend of thinning various terminals with liquid crystal displays, the glass substrate of the liquid crystal display needs to be thinned. In particular, in the field of portable display devices such as mobile terminals, digital cameras, and cellular phones, weight reduction and thickness reduction of the display devices are important issues. In addition, people pay more and more attention to the display effect of the display, and the attention is paid to the processing process of the glass substrateThe line distance and line width need to be etched to be thinner and thinner, and the requirement on uniformity is stricter and stricter. The glass belongs to one of inorganic silicon substances, is amorphous solid, and is fragile and transparent. The glass is inseparable from our life, and modern people no longer meet the requirements of processing glass by physical mechanical means, but rather make full use of various chemical means to deeply process glass so as to obtain better visual enjoyment. In order to reduce the thickness of the glass, one of the most widely used methods at present is to dip the glass into a container filled with an etching solution and to let the surface of the glass be etched by the etching solution. Generally, a solution containing hydrofluoric acid (HF) and concentrated sulfuric acid (H) is used₂SO₄) The etching solution of (a) is subjected to such an etching treatment because it has an excellent glass etching effect. The glass substrate can be thinned to a target thickness by a soaking method assisted by a mechanical throwing or spraying means.

In the process of thinning the glass substrate, an etching basket is needed, and the etching rack is used for loading the liquid crystal glass substrate on the etching basket to play a role in fixing and protecting, so that the glass substrate is not easy to shake in the transportation and etching processes. As shown in fig. 1, the conventional etched rack comprises a rack body 10 ' and side teeth 20 ' located on the rack body 10 ', the distance between adjacent side teeth 20 ' is small, and at the same time, the side teeth 20 ' are structurally conical, so that the spacing distance between two adjacent side teeth at the same height position is not consistent, and the variation rule of the spacing distance is a process from large to small to large along the width direction of the rack, and approximately forms an "X" shape. The cone side teeth design causes serious turbulence in the glass etching process, and after the soaking type etching process, viscous acid liquid can be accumulated to cause higher etching rate at the position, so that the thickness of the glass substrate at the position is thinner, the thickness uniformity is poor, and the yield is reduced.

In view of the above, the applicant of the present invention has made an intensive conception on the defects and inconveniences caused by the perfection of the above-mentioned etching rack and etching basket, and has actively researched, improved and tried to develop and design the present invention.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an it is exactly the not enough of prior art to solve, provides an etching rack and etching basket utensil to solve the inhomogeneous problem of glass substrate etching thickness that current etching rack design is not good enough to lead to, promote product yield and etching efficiency, reduce cost.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

the utility model provides an etching rack, includes the rack body and is located a plurality of side teeth on the rack body, the rack body includes parallel opposition first surface and second surface, the width of first surface is greater than the width of second surface, a plurality of side tooth arrays arrange in on the second surface, every side tooth include the bottom surface and the slope of rectangle set up in four sides on the bottom surface, four sides are in vertical projection on the bottom surface is located in the bottom surface, and arbitrary two are relative the side with the contained angle that the bottom surface becomes is the same.

Further, the rack body further comprises a third surface and a fourth surface which are located in the length direction of the rack body, and the third surface and the fourth surface are located between the first surface and the second surface and respectively have the same included angle with the first surface.

Further, the third surface and the fourth surface are coplanar with two opposite side surfaces, respectively.

Further, both end faces of the etched rack are perpendicular or oblique to the first surface.

Further, the height of the side teeth is 2-4 mm.

The etching basket comprises two aligning clamping plates and a plurality of etching racks, wherein the plurality of etching racks are parallel to each other and are erected between the two aligning clamping plates.

Further, the alignment clamping plate is detachably connected with the etching rack.

Further, two tip of rack body are provided with the mounting hole, two correspond on the counterpoint splint and be provided with the mounting groove, the counterpoint splint pass through the mounting groove with the mounting hole threaded connection of rack body.

Further, the width of the mounting groove is larger than the inner diameter of the mounting hole.

Furthermore, a hollow-out part is arranged on the alignment clamp plate, the hollow-out part is of an m-step positive n-pointed star structure (m and n are integers, m is greater than 0, and n is greater than 4), and two ends of the rack body are respectively clamped with two inner angles of the m-step positive n-pointed star structure on the two alignment clamp plates.

The utility model provides an etching rack and etching basket utensil, the etching rack, include the rack body and be located a plurality of side teeth on the rack body, the rack body includes parallel opposition's first surface and second surface, the width of first surface is greater than the width on second surface, a plurality of side tooth arrays arrange in on the second surface, every side tooth include the bottom surface and the slope of rectangle set up in four sides on the bottom surface, four sides are in vertical projection on the bottom surface is located in the bottom surface, and two arbitrary are relative the side with the contained angle that the bottom surface becomes is the same. The utility model provides an etching rack can avoid the vortex phenomenon of etching solution among the etching process, promotes etching efficiency. The utility model also provides an etching basket utensil, this etching basket utensil is stable to glass substrate's thinization rate, and thickness homogeneous, the production yield is high.

Other advantages of the present invention will be described in more detail in the detailed description which follows, and in conjunction with the accompanying drawings.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation.

In the drawings:

FIG. 1 is a top view of a prior art etched rack;

fig. 2 is a schematic structural diagram of an etched rack according to a first embodiment of the present invention;

fig. 3 is a top view of an etched rack according to an embodiment of the present invention;

FIG. 4 is a top view of an etching basket according to the second embodiment of the present invention;

FIG. 5 is a schematic cross-sectional view of the etching basket A-A' of FIG. 4;

fig. 6 is a schematic structural view of an etching basket according to a second embodiment of the present invention;

FIG. 7 is an enlarged view of a portion of FIG. 6 at C;

fig. 8 is a schematic structural view of an etched rack according to a third embodiment of the present invention;

fig. 9 is a schematic structural view of an etching basket according to a third embodiment of the present invention.

Detailed Description

To further explain the technical solution of the present invention, the present invention is explained in detail below with reference to the accompanying drawings, wherein like elements are designated by like reference numerals in each of the drawings. For purposes of clarity, the various features in the drawings are not necessarily drawn to scale. Also, some well-known elements may be shown.

The present invention may be presented in a variety of forms, some of which are described below.

Example one

Fig. 2 is a schematic structural view of an etching rack according to an embodiment of the present invention, and fig. 3 is a top view of an etching rack according to an embodiment of the present invention. As shown in fig. 2 and 3, the etched rack includes a rack body 10 and a plurality of side teeth 20 on the rack body 10. The rack body 10 includes a first surface (not shown in the figure) and a second surface 102 disposed in parallel and opposite to each other, the plurality of side teeth 20 are arranged in an array and disposed on the second surface 102 at intervals, and the spacing distance between every two adjacent side teeth 20 is, for example, not greater than a certain thickness of the glass substrate to be thinned. The side tooth 20 includes a rectangular bottom surface (not shown in the drawings) and four side surfaces on the bottom surface, such as a first side surface 201, a second side surface 202, a third side surface 203, and a fourth side surface 204, which are obliquely disposed on the bottom surface and are disposed in pairs, wherein one end of the four side surfaces is connected to four edges of the bottom surface, and the other end extends away from the bottom surface. Meanwhile, the vertical projections of the four side surfaces on the bottom surface are all located in the range of the bottom surface, that is, the side teeth 20 have a cross-sectional area gradually decreasing from the bottom surface to the top of the side teeth, and in addition, the included angles formed by any two opposite side surfaces on the side teeth 20 and the bottom surface are the same. As shown in fig. 2, since the distance between two adjacent side teeth 20 of the etching rack is constant in the same height direction, and any two opposite side surfaces of the four side surfaces of the etching rack are uniformly close to the center of the bottom plate, the side teeth design can make the acid solution between the two side teeth 20 smoothly move in the width reverse direction of the etching rack to avoid accumulation, and the acid solution concentration on the two sides of the glass substrate is uniform, so that there is no difference in the etching rate of the portion in the glass thinning process. Such a side tooth may be, for example, a quadrangular pyramid or, for example, a trapezoidal pentahedron structure as in the first embodiment of the present invention, and of course, in other embodiments, the side tooth 20 may further include, for example, one or more faces disposed opposite to the bottom face of the rectangle, such as a hexahedron, etc., which is not limited by the present invention.

Referring to fig. 2 and 3, the rack body 10 is, for example, a hexahedron, and the rack body 10 further includes a third surface 103 and a fourth surface 104 opposite to each other and a fifth surface 105 and a sixth surface (not shown in the drawings) opposite to each other and located between the first surface and the second surface 102, wherein the second surface 102 is located above the first surface in parallel and has a smaller width than the first surface, the third surface 103 and the fourth surface 104 are located in the length direction of the rack body 10, and the third surface 103 and the fourth surface 104 are at the same angle with the first surface, obviously, the angle is an acute angle, and the fifth surface 105 and the sixth surface are two end surfaces of the etched rack. Further, this fifth surface 105, sixth surface set up perpendicularly on the first surface respectively, and this first surface is the same with the length of second surface 102 promptly, in the other embodiments of the utility model, fifth surface 105, sixth surface can also set up for the first surface slope, and the slope setting can make the etching basket utensil that contains this etching rack take out from the etching groove of soaking the etching rack when etching rack and the equipment position of equipment board avoid adhesion etching solution, for example fifth surface 105, sixth surface can become acute angle setting with the first surface respectively. The rack body 10 has a cross-sectional area that decreases in a direction from the first surface toward the second surface 102, so that acid residues on the rack body 10 can be prevented. Further, the rack body 10 may further include a mounting hole, and since the fifth surface 105 and the sixth surface are vertically disposed between the first surface and the second surface 102, the rack body 10 and the mating member thereof can be more conveniently assembled. Of course, the arrangement between the first surface and the second surface 102 of the rack body 10 is not limited to the four surfaces, and the rack body 10 may also have an octahedral structure or other structures, for example.

Further, the third surface 103 of the rack body 10 is coplanar with the third side surface 203 of the side teeth 20, and the fourth surface 104 of the rack body 10 is coplanar with the fourth side surface 204 of the side teeth 20, so that the etching solution on the rack body 10 can smoothly flow down from the etching rack, and the self-cleaning capability is strong. Of course, the consistency of this kind of structure on the slope of slope can also make this rack body 10 and the preparation in the side tooth 20 integrated into one piece process more convenient, nevertheless the utility model discloses limit this rack body 10 and the shaping mode between the side tooth 20, for example can also be modes such as sliding connection between side tooth 20 and the rack body 10. In addition, along with the continuous development of full-face screen, narrow frame technique, for improving the utilization ratio of the big board of glass, reduce the emergence of the bad condition that the thickness difference caused to be suitable for the thin processing procedure of narrow frame machine kind, the utility model discloses a side tooth 20 of etching rack's height has shorter height compared with prior art, and for example, this side tooth 20's height is 2-4 mm.

Example two

FIG. 4 is a top view of an etching basket according to the second embodiment of the present invention; FIG. 5 is a schematic cross-sectional view of the etching basket A-A' of FIG. 4. As shown in fig. 4 and 5, the etching basket provided by the present invention comprises two etching rack assemblies oppositely disposed, each etching rack assembly comprises a plurality of etching racks arranged in the vertical direction, and the side teeth 20 in the etching rack on one side correspond to the side teeth 20 in the etching rack on the other side corresponding position. The etching racks in the two etching rack assemblies are connected with each other through two aligning clamping plates 30, for example, the two aligning clamping plates 30 are respectively disposed on two sides of the etching rack assembly and enclose with the two etching rack assemblies to form an accommodating space, a plurality of glass substrates 40 to be thinned are disposed in the accommodating space in parallel at intervals and are clamped and fixed through the side teeth 20 on two sides thereof, and the spacing distance between adjacent glass substrates is equal to the spacing distance between adjacent side teeth 20, for example. This etching basket utensil is through connecting the etching rack in a plurality of above-mentioned embodiments one fixedly through counterpoint splint 30, has avoided the vortex phenomenon in the etching process when having realized treating the good fixed effect of thinization glass substrate, has promoted the etching yield, makes the glass substrate after the etching have the thickness of homogeneity.

Fig. 6 is a schematic structural view of an etching basket according to a second embodiment of the present invention; fig. 7 is a partial enlarged view at C in fig. 6. As shown in fig. 4-7, the alignment clamp 30 and the etched rack may be detachably connected by a hollow 32, for example. Specifically, both ends of the alignment jig 30 protrude from the first surface 101 of the rack body 10, for example, so that both ends of the rack body 10 in the etched rack are embedded in the hollow portions 32, respectively, thereby realizing the assembly between the etched rack and the alignment jig 30. Of course, the hollow portion 32 can be provided with more groups in the horizontal direction in addition to two groups in the horizontal direction as shown in the figure, so as to adapt to thinning of glass substrates with different specifications. The hollow portion 32 is specifically an m-step positive n-pointed star structure (m and n are integers, m >0, n >4), one end of each rack body 10 is engaged with two inner angles in the m-step positive n-pointed star structure on the alignment splint 30 on one side, and the other end is engaged with two inner angles in the m-step positive n-pointed star structure on the alignment splint 30 on the other side. For example, the structure of the m-step regular n-star may be a 1-step regular hexagonal star design shown in fig. 6 and 7, an included angle between the third surface 103 and the fourth surface 104 of the rack body 10 and the first surface 101 is the same as an internal angle of the 1-step regular hexagonal star, and an inner wall of the hollow portion 32 is tightly attached to the first surface 101, the third surface 103 and the fourth surface 104 of the rack body 10, respectively, such a structural design of the hollow portion 32 can enable the etched rack and the alignment clamp plate 30 to be tightly assembled, thereby avoiding a problem of poor etching caused by loose engagement between the etched rack and the alignment clamp plate 30 in an etching process. In addition, the etching basket can also enable two bottom corners of the rack body 10 to correspond to other inner corners of the n inner corners in the hollow portion 32 in a manner of rotating the etching rack, so that the position of the etching rack relative to the end portion of the glass substrate to be thinned can be adjusted, a binding (binding) area on the substrate can be avoided, and the plate thickness difference of the binding area can be reduced. In other embodiments, the m-step regular n-star structure may be, for example, a 1-step regular five-star structure or a 2-step regular eight-star structure, which is not illustrated in this embodiment, and the specific structure thereof may be adaptively configured according to the structure of the rack body 10.

EXAMPLE III

Fig. 8 is a schematic structural view of an etching rack provided by the third embodiment of the present invention, and fig. 9 is a schematic structural view of an etching basket provided by the third embodiment of the present invention. The structure of the etching rack and the etching basket shown in this embodiment is similar to that of the etching rack and the etching basket in the first and second embodiments, and only the differences are explained here, as shown in fig. 8 and 9, mounting holes 21 are provided at both ends of the rack body 10, mounting grooves 31 are correspondingly provided on the alignment clamp plate 30, the alignment clamp plate 30 is in threaded connection with the mounting holes 21 on the rack body 10 through the mounting grooves 31, the mounting grooves 31 have a certain length, and the width of the groove body is greater than the inner diameter of the mounting holes 21. The etching basket that this embodiment provided can realize the regulation to etching rack position through the elasticity of adjusting screw to play the function of keeping away from binding region and adapting to different specification glass substrates. The adjustment means includes a rotary adjustment for deflecting the etching rack with respect to the glass substrate and a slide adjustment for adjusting the front and rear positions of the etching rack with respect to the mounting groove 31. In addition, for example, two etching racks disposed opposite to each other may be disposed in one of the mounting grooves 31, so that the assembling manner between the etching racks and the aligning clamp plate 30 is more flexible.

It should be understood that the drawings attached to the present specification are only used for matching the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used for limiting the limit conditions of the present invention, so that the present invention has no technical essence, and any structural modification, ratio relationship change or size adjustment should still fall within the scope of the technical contents disclosed in the present invention without affecting the function and the achievable purpose of the present invention. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.

Claims (10)

1. The utility model provides an etching rack, includes the rack body and is located a plurality of side teeth on the rack body, its characterized in that, the rack body includes parallel contraposition first surface and second surface, the width of first surface is greater than the width of second surface, a plurality of side tooth arrays arrange in on the second surface, every side tooth include the bottom surface and the slope of rectangle set up in four sides on the bottom surface, four sides are in vertical projection on the bottom surface is located in the bottom surface, and arbitrary two are relative the side with the contained angle that the bottom surface becomes is the same.

2. The etched rack of claim 1, wherein said rack body further comprises a third surface and a fourth surface disposed along the length of said rack body, said third surface and said fourth surface being disposed between said first surface and said second surface and being disposed at the same respective angles to said first surface.

3. The etched rack of claim 2, wherein said third and fourth surfaces are respectively coplanar with two of said opposing side surfaces.

4. The etched rack of claim 1, wherein both end faces of the etched rack are perpendicular or oblique to the first surface.

5. An etched rack according to claim 1, wherein the height of the side teeth is 2-4 mm.

6. An etching basket comprising two alignment plates and a plurality of etching racks according to any one of claims 1 to 5, wherein the plurality of etching racks are parallel to each other and mounted between the two alignment plates.

7. The etching basket according to claim 6, wherein said alignment clamp is removably attached to said etching rack.

8. The etching basket tool according to claim 7, wherein mounting holes are formed at two ends of the rack body, mounting grooves are correspondingly formed in two aligning clamp plates, and the aligning clamp plates are in threaded connection with the mounting holes of the rack body through the mounting grooves.

9. The etching basket according to claim 8, wherein the width of said mounting slot is greater than the inner diameter of said mounting hole.

10. The etching basket according to claim 7, wherein a hollow portion is disposed on the alignment clamp plate, the hollow portion is an m-step regular n-pointed star structure (m and n are integers, m >0, n >4), and two ends of the rack body are respectively engaged with two inner corners of the m-step regular n-pointed star structure on the two alignment clamp plates.

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