CN216719072U

CN216719072U - TOCA laminating tool

Info

Publication number: CN216719072U
Application number: CN202123130140.5U
Authority: CN
Inventors: 姜锋
Original assignee: Chuzhou Tongli Photoelectric Co ltd
Current assignee: Chuzhou Tongli Photoelectric Co ltd
Priority date: 2021-12-14
Filing date: 2021-12-14
Publication date: 2022-06-10
Anticipated expiration: 2031-12-14

Abstract

The utility model discloses a TOCA (tool for surface mount technology) laminating jig, and relates to the technical field of jigs. The utility model comprises a jig body; the jig comprises a jig body, a first groove and a bottom plate, wherein the first groove is formed at the top of the jig body and is sunken downwards; a plurality of adsorption holes formed on the upper surface of the bottom plate, wherein the adsorption holes are communicated with a vacuum pump through air pipes. According to the utility model, the tool body is provided with the adsorption holes, and vacuum adsorption is carried out through the adsorption holes, so that the plane for placing the TOCA is not warped or deviated.

Description

TOCA laminating tool

Technical Field

The utility model belongs to the technical field of jigs, and particularly relates to a TOCA (tool for surface mount technology) attaching jig.

Background

With the development of touch technology, human-computer interaction operation is greatly facilitated, and therefore more and more devices have a touch operation function. The demand for touch screens is also increasing.

The thermosetting optical transparent hot melt adhesive film (TOCA) is a major breakthrough on the first generation optical transparent adhesive OCA and the second generation optical transparent adhesive LOCA.

Touch screens are mainly classified into capacitive type touch screens and resistive type touch screens, the operation of the capacitive type touch screens is more convenient, and the capacitive type touch screens become mainstream touch screens. The touch screen generally comprises 3 layers, namely, protective glass, a touch layer and a display layer from top to bottom in sequence. In order to make the touch screen have better performance, the layers need to be attached together to remove air between the layers, so that the screen has better display performance and operation performance; in the laminating process of a large-size touch screen, the problem that the display layer, the protective glass or the hot melt adhesive film are inconvenient to fix in the laminating process exists.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a TOCA attaching jig, which solves the problem of inconvenient fixation in the prior art by arranging an adsorption hole on a jig body and performing vacuum adsorption through the adsorption hole.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

the utility model relates to a TOCA (tool for adhesive bonding) jig, which comprises a jig body; the jig comprises a jig body, a first groove and a bottom plate, wherein the first groove is formed at the top of the jig body and is sunken downwards; and the plurality of adsorption holes are formed in the upper surface of the bottom plate and are communicated with a vacuum pump through air pipes.

Further, the turning side of first recess is provided with the arc angle, avoids treating the glass material turning side of laminating through the arc angle and can't put into first recess because of having deckle edge etc..

Furthermore, a plurality of counter bores are arranged on the first grooves arranged around the periphery of the bottom plate in a surrounding manner, spring ejector pins are arranged in the counter bores in a matching manner, and each spring ejector pin comprises an ejector pin body; the thimble body comprises a first cylinder with the diameter of D1, the top of the first cylinder is provided with a second cylinder with the diameter of D2, and D2 is greater than D1; a spring is connected between the second cylinder and the bottom side face of the counter bore; the value range of the D1 is 4-6mm, and the value range of the D2 is 9-11 mm.

Furthermore, two ends of the bottom plate are respectively provided with an avoidance groove which is convenient for taking the product placed on the bottom plate; notches for taking the jig body are respectively formed in two sides of the bottom side surface of the jig body; and a cavity channel communicated with the adsorption hole is arranged in the bottom plate and communicated with the air pipe.

Further, a second groove which is concave upwards is arranged at the bottom of the jig body, a third groove which is concave upwards is arranged on the bottom side surface of the second groove, the third groove is matched and arranged to comprise a base, a cavity is formed between the base and the bottom plate, air pipes communicated with the adsorption holes are arranged in the cavity, a plurality of air pipes are communicated with a main air pipeline, and the main air pipeline penetrates through the jig body; the bottom side surface of the second groove is provided with a first mounting hole, and the base is provided with a second mounting hole matched with the first mounting hole.

The utility model has the following beneficial effects:

according to the utility model, the tool body is provided with the adsorption holes, and vacuum adsorption is carried out through the adsorption holes, so that the plane for placing the TOCA is not warped or deviated.

Of course, it is not necessary for any product in which the utility model is practiced to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of a bonding jig according to embodiment 1;

FIG. 2 is a front view of FIG. 1;

FIG. 3 is a cross-sectional view taken along line B-B of FIG. 2;

FIG. 4 is a schematic view of the structure of the pogo pin of embodiment 1;

fig. 5 is a schematic view of a back structure of the attaching jig of embodiment 2.

Detailed Description

Example 1

Referring to fig. 1-3, a TOCA bonding tool includes a tool body 1; a first groove 11 formed at the top of the jig body 1 and recessed downwards, and a bottom plate 2 formed at the bottom side surface of the first groove 11; a plurality of adsorption holes 21 formed on the upper surface of the bottom plate 2, wherein the adsorption holes 21 are all communicated with a vacuum pump through air pipes. The aperture of the adsorption hole 21 is generally 1mm, and through the arrangement of the adsorption hole 21, a vacuum pump is used for forming negative pressure, so that the TOCA is fixed, and meanwhile, the plane for placing the TOCA is not warped or deviated.

The corner side of first recess 11 is provided with arc angle 111, avoids treating the glass material corner side of laminating because of having burr etc. can't put into first recess 11 through arc angle 111.

As shown in fig. 1 and 5, a plurality of counter bores 13 are arranged on the first groove 11 arranged around the periphery of the bottom plate 2, spring ejector pins 130 are arranged in the counter bores 13 in a matching manner, and the spring ejector pins 130 comprise ejector pin bodies; the thimble body comprises a first cylinder 131 with the diameter of D1, the top of the first cylinder 131 is provided with a second cylinder 132 with the diameter of D2, and D2 is more than D1; a spring is connected between the second cylinder 132 and the bottom side face of the counter bore 13; the value range of D1 is 5.5mm, and the value range of D2 is 10 mm. Through the setting of spring thimble 130, realize adopting spring thimble 130 to carry out the prefixing when glass apron and TOCA pre-paste to be contactless state before guaranteeing tool and product entering vacuum cavity laminating, whole atress is even helps improving laminating product precision and yield.

The two ends of the bottom plate 2 are respectively provided with an avoidance groove 14 which is convenient for taking the product placed on the bottom plate 2, and the product can be conveniently taken before or after the lamination through the arrangement of the avoidance grooves 14; notches 17 for taking the jig body 1 are respectively formed in two sides of the bottom side surface of the jig body 1; the bottom plate 2 is internally provided with a cavity channel communicated with the adsorption hole 21, and the cavity channel is communicated with an air pipe.

Example 2, on the basis of example 1;

as shown in fig. 3 and 4, the bottom of the jig body 1 is provided with a second groove 15 which is recessed upwards, the bottom side surface of the second groove 15 is provided with a third groove 16 which is recessed upwards, the third groove 16 is provided with a base 20 in a matching manner, a cavity 18 is formed between the base 20 and the bottom plate 2, air pipes which are communicated with the adsorption holes 21 are arranged in the cavity 18, and the air pipes are communicated with a main air pipeline which penetrates through the jig body 1; the bottom side surface of the second groove 15 is provided with a first mounting hole, and the base 20 is provided with a second mounting hole 22 matched with the first mounting hole. Through the removable setting of base 20, the convenience is to opening base 20, arrange and overhaul main gas line and trachea that lie in cavity 18.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean 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 utility model. In this specification, the schematic representations of the terms used above do not necessarily 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.

The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a TOCA laminating tool which characterized in that: comprises a jig body (1);

a first groove (11) which is formed on the top of the jig body (1) and is sunken downwards,

a bottom plate (2) formed on the bottom side surface of the first groove (11);

a plurality of adsorption holes (21) formed on the upper surface of the bottom plate (2), wherein the adsorption holes (21) are communicated with a vacuum pump through air pipes.

2. The TOCA attaching jig according to claim 1, wherein a circular arc angle (111) is provided at a corner side of the first groove (11).

3. The TOCA attaching jig according to claim 1, wherein a plurality of counter bores (13) are arranged on the first groove (11) around the bottom plate (2), and spring ejector pins (130) are arranged in the counter bores (13) in a matching manner.

4. The TOCA bonding jig of claim 3, wherein the pogo pin (130) comprises a pin body;

the thimble body comprises a first cylinder (131) with the diameter D1, a second cylinder (132) with the diameter D2 is arranged at the top of the first cylinder (131), and D2 is greater than D1;

and a spring is connected between the second cylinder (132) and the bottom side surface of the counter bore (13).

5. The TOCA attaching jig according to claim 1, wherein the two ends of the bottom plate (2) are respectively provided with an avoiding groove (14) for facilitating the taking of the product placed on the bottom plate (2).

6. The TOCA attaching jig according to claim 1, wherein a cavity communicated with the adsorption hole (21) is formed in the bottom plate (2), and the cavity is communicated with the air pipe.

7. The TOCA attaching jig according to claim 1, wherein the bottom of the jig body (1) is provided with a second groove (15) which is concave upwards, and the bottom side surface of the second groove (15) is provided with a third groove (16) which is concave upwards.

8. The TOCA attaching jig according to claim 7, wherein the third groove (16) is provided with a base (20), a cavity (18) is formed between the base (20) and the bottom plate (2), air pipes are arranged in the cavity (18) and communicated with the adsorption holes (21), and a plurality of air pipes are communicated with a main air pipeline, and the main air pipeline penetrates through the jig body (1).

9. The TOCA attaching jig according to claim 8, wherein a first mounting hole is formed on the bottom side surface of the second groove (15), and a second mounting hole (22) matched with the first mounting hole is formed on the base (20).

10. The TOCA attaching jig according to claim 1, wherein the jig body (1) is provided with notches (17) on both sides of the bottom side thereof for taking out the jig body (1).