WO2020073394A1

WO2020073394A1 - Aligning pin

Info

Publication number: WO2020073394A1
Application number: PCT/CN2018/113916
Authority: WO
Inventors: 郭德平
Original assignee: 深圳市华星光电半导体显示技术有限公司
Priority date: 2018-10-08
Filing date: 2018-11-05
Publication date: 2020-04-16
Also published as: CN109185300A; CN109185300B

Abstract

Disclosed is an aligning pin (1, 3), which is used for conducting contact alignment on a glass panel (2) and comprises a pin cap (10, 30) and a pin column (11, 31). The pin column (11, 31) is used for supporting the pin cap (10, 30). The pin cap (10, 30) is fixed to an end part of the pin column (11, 31). The pin cap (10, 30) is used for aligning the glass panel (2). The pin cap (10, 30) comprises at least two layers of sub-pin caps (101, 102, 301, 302) arranged in a nested manner, and the sub-pin caps (101, 102, 301, 302) are used for aligning the glass panel (2).

Description

An alignment pin

Technical field

The present application relates to the field of display panel manufacturing, and in particular to an alignment pin.

Background technique

At present, the LCD industry uses registration pins (pins) in many occasions. Due to the contact effect, the wear positions of the registration pins in the equipment on the production line are all the circle of contact between the glass panel and it. Although the height of the registration pin is adjusted by personnel for multiple uses, but due to the different methods of personal adjustment, the height of the registration pin is uneven, resulting in a high risk of bad glass panels after adjustment, so in the production line This method has not been adopted. At present, the registration pin needs to be discarded after being worn out, and cannot be used repeatedly.

Therefore, the existing technology has defects and needs to be improved urgently.

technical problem

The present application provides an alignment pin, which can solve the problem that the alignment pin cannot be recycled many times, thereby reducing the production cost of the glass panel.

Technical solution

To achieve the above purpose, the technical solutions provided by this application are as follows:

The present application provides an alignment pin for contact alignment of a glass panel, including a pin cap and a pin, the pin is used to support the pin cap, and the pin cap is fixed to an end of the pin Part, the pin cap is used to align the glass panel;

Wherein, the pin cap includes at least two nested sub-pin caps, two adjacent sub-pin caps are movably connected, and the sub-pin caps are used to align the glass panel.

In the alignment pin of the present application, the pin cap includes an inner layer sub pin cap and an outer layer sub pin cap, and a gap or close contact is formed between the inner layer sub pin cap and the outer layer sub pin cap.

In the alignment pin of the present application, the outer layer sub-pin cap is a semi-closed hollow cavity, the outer layer sub-pin cap includes an opening, and the cavity is used to accommodate the inner layer sub-pin cap .

In the alignment pin of the present application, the contact surfaces of the inner layer sub-pin cap and the outer layer sub-pin cap have a threaded structure at the corresponding openings, and the outer layer sub-pin cap is fixed by a screw fixing method On the inner layer sub-pin cap.

In the alignment pin of the present application, the pin cap further includes a middle layer sub pin cap, the middle layer sub pin cap has the same shape as the outer layer sub pin cap, and the middle layer sub pin cap is disposed on the inner layer Between the sub-pin cap and the outer-layer sub-pin cap, the inner wall and the outer wall of the middle-layer sub-pin cap both have a threaded structure at the corresponding opening.

In the alignment pin of the present application, at least two middle layer sub-pin caps are provided between the inner layer sub-pin cap and the outer layer sub-pin cap.

In the alignment pins of the present application, extension portions are provided at the lower end edges of the inner layer sub-pin cap and the outer layer sub-pin cap, and the first extension part of the outer layer sub-pin cap and the inner At least an overlapping area is formed in the second extension portion of the layer sub-pin cap, the first extension portion and the second extension portion are provided with through holes corresponding to the overlapping area, the inner layer sub-pin cap and the outer portion The layer pin cap is fixed through the through hole with screws.

In the alignment pin of the present application, the first extension portion and the second extension portion are respectively disposed around the lower end edges of the outer layer sub-pin cap and the inner layer sub-pin cap.

In the alignment pin of the present application, the inner layer sub-pin cap and the pin are fixedly connected, and the inner layer sub-pin cap is a solid structure.

To achieve the above object, the present application also provides a positioning pin for contacting and positioning the glass panel, including a pin cap and a pin, the pin is used to support the pin cap, and the pin cap is fixed to The end of the pin, the pin cap is used for aligning the glass panel;

Wherein, the pin cap includes at least two nested sub-pin caps, and the sub-pin caps are used to align the glass panel.

In the alignment pin of the present application, the contact surfaces of the inner layer sub-pin cap and the outer layer sub-pin cap have a threaded structure at the corresponding openings, and the outer layer sub-pin cap is fixed by a screw fixing On the inner layer sub-pin cap.

Beneficial effect

The beneficial effects of this application are: Compared with the existing alignment pins, the alignment pins provided in this application, by transforming the solid structure of the pin cap of the traditional alignment pin into an inner and outer double-layer structure, the inner and outer double-layer sub-pin caps are located at The contact parts at the lower end all have a thread structure, and the outer layer sub-pin cap can be fixed on the inner layer sub-pin cap by means of thread fixing. When the outer layer sub-pin cap is worn out, the outer layer sub-pin cap can be unscrewed, and the remaining inner layer sub-pin cap can continue to be used, reducing the operation of adjusting the height of the registration pin. The service life of the alignment pin of this solution is at least twice that of the traditional design. In addition, if the thickness of the alignment pin is increased and the pin cap is designed as an N-layer sub-cap, the service life of the alignment pin can be extended by N times that of the traditional design.

BRIEF DESCRIPTION

In order to more clearly explain the embodiments or the technical solutions in the prior art, the following will briefly introduce the drawings required in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only for applications For some embodiments, those of ordinary skill in the art can obtain other drawings based on these drawings without creative work.

FIG. 1A is a schematic structural diagram of an alignment pin provided by Example 1 of the present application before assembly;

FIG. 1B is a schematic structural diagram of the alignment pin provided in Example 1 of the present application after assembly;

2 is a schematic diagram of aligning a glass panel by using an alignment pin provided in Example 1 of the present application;

3A is a schematic structural view of the alignment pin provided by Example 2 of the present application before assembly;

3B is a side view of the alignment pin provided in Example 2 of the present application after assembly;

FIG. 3C is a top view of the alignment pin provided in Example 2 of the present application after assembly.

Embodiments of the invention

The descriptions of the following embodiments refer to additional drawings to illustrate specific embodiments that can be implemented in the present application. Directional terms mentioned in this application, such as [upper], [lower], [front], [back], [left], [right], [inner], [outer], [side], etc., are for reference only Attach the direction of the schema. Therefore, the directional language used is to illustrate and understand this application, not to limit this application. In the figure, units with similar structures are indicated by the same reference numerals.

This application is aimed at the prior art alignment pins, because it can not be used repeatedly for many times, but when manually adjusting the height of the alignment pin, the technical problem of increasing the risk of fragmentation of the glass panel due to the uneven height of the alignment pin, this implementation Examples can solve this defect.

As shown in FIG. 1A, it is a schematic structural diagram of an alignment pin provided by Embodiment 1 of the present application before assembly. The positioning pin 1 is used to contact and align the glass panel. The positioning pin 1 includes a pin cap 10 and a pin 11. The pin 11 is used to support the pin cap 10. The pin cap 10 is fixed to At the end of the pin 11, the pin cap 10 is used to align the glass panel. The pin cap 10 includes at least two nested sub-pin caps, and the sub-pin caps are used to align the glass panel.

In one embodiment, the pin cap 10 has a double-layer structure, which includes an inner layer sub-pin cap 102 and an outer layer sub-pin cap 101, and the inner layer sub-pin cap 102 is fixed to the end of the pin 11 In this embodiment, the inner layer sub-pin 102 and the pin 11 are fixedly connected. Of course, in other embodiments, the inner layer sub-pin cap 102 and the pin 11 are movably connected, for example, the end of the pin 11 is provided with threads, and the inner layer sub-pin cap 102 is connected to all The connecting portion of the pin 11 is provided with a threaded hole, and the inner layer pin cap 102 can be screwed on the pin 11 provided with a thread. Or other active connection methods, no longer listed here.

The outer layer sub-pin cap 101 is a semi-closed hollow cavity structure, and the outer layer sub-pin cap 101 includes an opening 101B. The outer layer sub-pin cap 101 further includes a cavity 101A for receiving the inner layer sub-pin cap 102. The inner layer sub-pin cap 102 and the outer layer sub-pin cap 101 are movably connected, that is, the outer layer sub-pin cap 101 can be detached. The outer wall of the inner layer sub-pin cap 102 has a threaded structure at a first portion 102A corresponding to the opening 101B, and the inner wall of the outer layer sub-pin cap 101 is at a second portion corresponding to the opening 101B (not shown in the figure) ) Also has a screw structure matching the first portion 102A. That is, at least a part of the contact surface of the inner layer sub-pin cap 102 and the outer layer sub-pin cap 101 has a threaded structure, and the outer layer sub-pin cap 101 is fixed to the inner layer sub-pin cap 102 by screwing .

A gap is formed between the inner layer sub-pin cap 102 and the outer layer sub-pin cap 101 except for the first part 102A and the second part. Alternatively, the inner layer sub-pin cap 102 and the outer layer sub-pin cap 101 are in close contact.

In this embodiment, the inner layer sub-pin 102 is a solid structure. In other embodiments, the inner layer sub-pin cap 102 may be designed as a hollow structure, for example, the same shape as the outer layer sub-pin cap 101.

In an embodiment, the pin cap 10 further includes a middle layer pin cap (not shown in the figure), the middle layer pin cap has the same shape as the outer layer sub pin cap 101, and the middle layer sub pin cap Nested on the inner layer sub-pin cap 102, the outer layer sub-pin cap 101 is nested on the middle layer sub-pin cap, the inner wall and the outer wall of the middle layer sub-pin cap are at positions corresponding to the opening 101B All have a threaded structure.

In one embodiment, at least two middle layer sub-pin caps are disposed between the inner layer sub-pin cap 102 and the outer layer sub-pin cap 101.

With reference to FIG. 1B, it is a schematic structural diagram of an alignment pin provided in Example 1 of the present application after assembly. Screwing the outer layer sub-pin cap 101 in FIG. 1A to the inner layer sub-pin cap 102, the outer layer sub-pin cap 101 and the inner layer sub-pin cap 102 are combined to form a double-layer structure A pin cap 10 that is combined with the pin 11 to form the alignment pin 1.

Since the pin cap of the present application adopts a multi-layer structure nesting design, and the two adjacent sub pin caps are movably connected, when the sub pin caps of the outer layer are worn, the outer layer The sub-pin cap is screwed out, and the remaining internal sub-pin cap can continue to be used, thereby reducing the operation of adjusting the height of the registration pin. In addition, through the above design, the service life of the alignment pin can be increased, so that the alignment pin can be recycled many times, which has the effect of reducing costs; at the same time, the adjustment of the alignment pin due to the difference in height is eliminated by personnel Risk of fragmentation of the glass panel.

As shown in FIG. 2, it is a schematic diagram of aligning a glass panel by using the alignment pins provided in Embodiment 1 of the present application. The pin cap 10 of the alignment pin 1 fixes the glass panel 2 and performs an alignment operation. As the time of use increases, the outer layer sub-pin cap 101 is worn out. At this time, the worn outer layer sub-pin cap 101 is unscrewed from the inner layer sub-pin cap 102, so there is no need to replace it. The alignment pin 1 and the inner layer sub-pin cap 102 can continue to be used.

As shown in FIG. 3A, it is a schematic structural diagram of an alignment pin provided in Example 2 of the present application before assembly. The difference between this embodiment and the first embodiment is that the alignment pin 3 includes a pin cap 30 and a pin 31, and the pin cap 30 includes an inner layer sub-pin cap 302 and an outer layer sub-pin cap 301. The inner layer sub-pin cap 302 is fixed on the pin 31, and the outer layer sub-pin cap 301 is used for nesting on the inner layer sub-pin cap 302. Both the inner layer sub-pin cap 302 and the outer layer sub-pin cap 301 are provided with extensions at the lower end edges, the extension includes the first extension 301A of the outer layer sub-pin cap 301, and the The second extension 302A of the inner layer sub-pin cap 302. The outer layer sub-pin cap 301 and the inner layer sub-pin cap 302 are fixed by the extension.

In one embodiment, the first extension portion 301A and the second extension portion 302A are respectively disposed on the lower edge of the outer layer sub-pin cap 301 and the inner layer sub-pin cap 302 around the circumference.

3B, it is a side view of the alignment pin provided in Example 2 of the present application after assembly. The outer layer sub-pin cap 301 in FIG. 3A is nested on the inner layer sub-pin cap 302, and the first extension 301A and the second extension 302A at least form an overlapping area 32. The first extending portion 301A is provided with a first through hole 301B corresponding to the overlapping area 32, and the second extending portion 302A is provided with a second through hole 302B corresponding to the overlapping area 32. After the outer layer sub-pin cap 301 and the inner layer sub-pin cap 302 are assembled, after aligning the first through hole 301B and the second through hole 302B, use screws (not shown) The outer layer sub-pin cap 301 is fixed on the inner layer sub-pin cap 302.

Referring to FIG. 3C, it is a plan view of the alignment pin provided in Example 2 of the present application after assembly. Screws 33 are provided at intervals between the first extensions 301A of the outer layer sub-pin cap 301, and the screws 33 pass through the first through hole 301B and the second through hole 302B The outer layer sub-pin cap 301 is fixed to the inner layer sub-pin cap 302. When the outer layer sub-pin cap 301 is worn, it can be disassembled, and the inner layer sub-pin cap 302 can be used for alignment.

The registration pin provided in this application is modified from the solid structure of the pin cap of the traditional registration pin to an inner and outer double-layer structure. The inner and outer double-layer sub-pin caps have a threaded structure at the lower contact part, and the outer sub-pin cap can be threaded The fixing method is fixed on the inner layer pin cap. When the outer layer sub-pin cap is worn out, the outer layer sub-pin cap can be unscrewed, and the remaining inner layer sub-pin cap can continue to be used, reducing the operation of adjusting the height of the registration pin. The service life of the alignment pin of this solution is at least twice that of the traditional design. In addition, if the thickness of the alignment pin is increased and the pin cap is designed as an N-layer sub-cap, the service life of the alignment pin can be extended by N times that of the traditional design.

In summary, although the present application has been disclosed as preferred embodiments above, the above preferred embodiments are not intended to limit the present application. Those of ordinary skill in the art can make various changes without departing from the spirit and scope of the present application Such changes and retouching, so the scope of protection of this application shall be subject to the scope defined by the claims.

Claims

An alignment pin for contact alignment of a glass panel, which includes a pin cap and a pin, the pin is used to support the pin cap, and the pin cap is fixed to an end of the pin , The pin cap is used to align the glass panel;

Wherein, the pin cap includes at least two nested sub-pin caps, two adjacent sub-pin caps are movably connected, and the sub-pin caps are used to align the glass panel.
The alignment pin according to claim 1, wherein the pin cap includes an inner layer sub pin cap and an outer layer sub pin cap, and a gap is formed between the inner layer sub pin cap and the outer layer sub pin cap Or close contact.
The alignment pin according to claim 2, wherein the outer layer sub-pin cap is a semi-closed hollow cavity, the outer layer sub-pin cap includes an opening, and the cavity is used to accommodate the inner Layer pin cap.
The alignment pin according to claim 3, wherein the contact surfaces of the inner layer sub-pin cap and the outer layer sub-pin cap have a threaded structure corresponding to the opening, and the outer layer sub-pin cap adopts The screw fixing method is fixed on the inner layer sub-pin cap.
The alignment pin according to claim 4, wherein the pin cap further comprises a middle-layer sub-pin cap, the middle-layer sub-pin cap has the same shape as the outer-layer sub-pin cap, and the middle-layer sub-pin cap is provided at Between the inner layer sub-pin cap and the outer layer sub-pin cap, both the inner wall and the outer wall of the middle layer sub-pin cap have screw structures at corresponding openings.
The alignment pin according to claim 5, wherein at least two of the middle layer sub-pin caps are provided between the inner layer sub-pin cap and the outer layer sub-pin cap.
The alignment pin according to claim 2, wherein the inner layer sub-pin cap and the outer layer sub-pin cap are provided with extensions at the lower end edges, and the first extension part of the outer layer sub-pin cap At least an overlapping area is formed with the second extension portion of the inner layer sub-pin cap, and the first extension portion and the second extension portion are each provided with a through hole corresponding to the overlapping area, and the inner layer sub-pin cap The outer layer sub-pin cap is fixed through the through hole with screws.
The alignment pin according to claim 7, wherein the first extension portion and the second extension portion are respectively disposed around the lower end edges of the outer layer sub-pin cap and the inner layer sub-pin cap.
The alignment pin according to claim 2, wherein the inner layer sub-pin cap and the pin are fixedly connected, and the inner layer sub-pin cap has a solid structure.
An alignment pin for contact alignment of a glass panel, which includes a pin cap and a pin, the pin is used to support the pin cap, and the pin cap is fixed to an end of the pin , The pin cap is used to align the glass panel;

Wherein, the pin cap includes at least two nested sub-pin caps, and the sub-pin caps are used to align the glass panel.
The alignment pin according to claim 10, wherein the pin cap includes an inner layer sub pin cap and an outer layer sub pin cap, and a gap is formed between the inner layer sub pin cap and the outer layer sub pin cap Or close contact.
The alignment pin according to claim 11, wherein the outer layer sub-pin cap is a semi-closed hollow cavity, the outer layer sub-pin cap includes an opening, and the cavity is used to accommodate the inner Layer pin cap.
The alignment pin according to claim 12, wherein the contact surfaces of the inner layer sub-pin cap and the outer layer sub-pin cap have a threaded structure corresponding to the opening, and the outer layer sub-pin cap adopts The screw fixing method is fixed on the inner layer sub-pin cap.
The alignment pin according to claim 13, wherein the pin cap further comprises a middle-layer sub-pin cap, the middle-layer sub-pin cap has the same shape as the outer-layer sub-pin cap, and the middle-layer sub-pin cap is provided at Between the inner layer sub-pin cap and the outer layer sub-pin cap, both the inner wall and the outer wall of the middle layer sub-pin cap have screw structures at corresponding openings.
The alignment pin according to claim 14, wherein at least two of the middle layer sub-pin caps are provided between the inner layer sub-pin cap and the outer layer sub-pin cap.
The alignment pin according to claim 11, wherein the inner layer sub-pin cap and the outer layer sub-pin cap are provided with extensions at the lower end edges, and the first extension part of the outer layer sub-pin cap At least an overlapping area is formed with the second extension portion of the inner layer sub-pin cap, and the first extension portion and the second extension portion are each provided with a through hole corresponding to the overlapping area, and the inner layer sub-pin cap The outer layer sub-pin cap is fixed through the through hole with screws.
The alignment pin according to claim 16, wherein the first extension portion and the second extension portion are respectively disposed around the lower end edges of the outer layer sub-pin cap and the inner layer sub-pin cap.
The alignment pin according to claim 11, wherein the inner layer sub-pin cap and the pin are fixedly connected, and the inner layer sub-pin cap has a solid structure.