CN212888502U - PI membrane precuring supports tool - Google Patents

Abstract

The utility model discloses a PI film precuring supporting jig, which comprises a supporting frame and a supporting strip, wherein the supporting frame is provided with a frame wall, two ends of the supporting strip are connected with the frame wall, the supporting strip comprises a transverse strip and a longitudinal strip, the frame wall connected with the longitudinal strip is provided with a chute, and the longitudinal strip can translate within a limited range of the chute; this support tool has used the support bar to replace traditional support pin structure, indulges the strip and can be along with the model adjustment position of PI membrane for the support position of indulging the strip is located the invalid area of PI membrane all the time, need not worry because of the support position shelters from the uneven phenomenon of effective area precuring heating that the effective area leads to, effectively guarantees the whole precuring effect of PI membrane.

Description

PI membrane precuring supports tool

Technical Field

The utility model relates to an it solidifies the technique in advance to join in marriage to the membrane, especially relates to a PI membrane solidifies support tool in advance.

Background

PI films in the TFT LCD industry are important display materials, the PI films are divided into effective areas and invalid areas, the effective areas are used as display areas, the PI films are required to be heated uniformly during precuring and are not shielded as much as possible, otherwise, the alignment of subsequent products is influenced, the brightness of the display screen is not uniform, and the display effect of the products is directly related.

The existing pre-curing jig usually adopts a support pin structure to effectively support the PI film, and the general structure is as follows: the below is the heating tool, has seted up a plurality of through-holes on the heating tool, supports pin and runs through and support on the PI membrane after the through-hole, relies on the heat that the heating tool distributed out to carry out the heating solidification to the PI membrane.

The adoption of the structure has the following disadvantages: on one hand, due to the fact that the heating jig is provided with the through holes, the temperature of the position of the PI film corresponding to the positions of the through holes is different from the temperature of the position without the through holes, and the temperature of the direct supporting part for supporting the pins is different from the pre-curing temperature of other parts; moreover, the pin supporting structure is an undifferentiated support without areas, which can cause uneven precuring of the effective area; above, the precuring of the PI film effective area of the traditional support pin structure is heated unevenly, and the alignment quality of subsequent products cannot be guaranteed.

SUMMERY OF THE UTILITY MODEL

For solving the uneven problem of PI membrane precuring that above-mentioned tradition precuring support tool support pin leads to, the utility model provides a PI membrane precuring supports tool.

A PI film pre-curing supporting jig comprises a supporting frame and a supporting strip, wherein the supporting frame is provided with a frame wall, two ends of the supporting strip are connected with the frame wall, and the supporting strip and the frame wall connected with the supporting strip are arranged in a mutually perpendicular mode; the support bar includes the horizontal bar and indulges the strip, indulge the strip run through the horizontal bar and with horizontal bar mutually perpendicular sets up, indulge the frame wall that the strip is connected and still be provided with the spout, indulge the strip and can remove in the spout limited range.

The position that its supports can be adjusted along with the model of PI membrane to mobilizable indulge the strip structure for the support position of indulging the strip is located the invalid area of PI membrane all the time, need not worry because of the support position shelters from the phenomenon that the precuring heats inequality that the valid area leads to, effectively guarantees the whole precuring effect of PI membrane.

Furthermore, the horizontal bar middle part is drawn and is equipped with the spacing groove, indulge the strip and run through the spacing groove with horizontal bar mutually perpendicular sets up, and when the horizontal bar with indulge the strip and support each other, the spacing groove can reserve sufficient space for the translation of indulging the strip.

Further, indulge the strip and be provided with the matching in the position of running through with the horizontal bar the spill breach of spacing groove, the horizontal bar with indulge the strip and support each other, the horizontal bar both ends are fixed on the frame wall and are not portable, the setting up of spill breach makes the upper surface of indulging strip and horizontal bar be located the coplanar, guarantees to be used for placing the level and smooth of the whole holding surface of PI membrane.

Furthermore, the two ends of the longitudinal bar are matched with the sliding groove, a limiting end is arranged on the sliding groove, the longitudinal bar is prevented from being separated from the sliding groove, and the longitudinal bar is convenient to adjust and move.

Furthermore, the limiting protrusion is arranged on the upper surface of the frame wall or the outer side surface of the frame wall.

Furthermore, the horizontal bar and be provided with scale or counterpoint breach on the frame wall that indulges the strip and connect, make things convenient for the removal of indulging the strip to counterpoint, guarantee that the support position is located the invalid area of PI membrane all the time.

Furthermore, the supporting frame and the supporting bars are made of one or more materials with excellent heat resistance, such as PEEK material, Teflon material and quartz tube, but not limited thereto, so as to be more suitable for the pre-curing heating environment, and ensure the supporting strength and the service life of the supporting jig.

Advantageous effects

This support tool has used the support bar to replace traditional support pin structure, and mobilizable vertical bar can be according to the model of PI membrane and its effective area and invalid area's division, adjusts its position of supporting for the support position is located the invalid area of PI membrane all the time, need not worry because of the uneven phenomenon of the effective area precuring that the direct support position is located the effective area and leads to, can effectively guarantee the whole precuring effect of PI membrane, prevents the emergence of follow-up bad phenomenon of joining in marriage.

Drawings

The accompanying drawings, which are included to provide a further understanding of embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention:

FIG. 1 is a schematic diagram of a PI film structure;

fig. 2 is a schematic view of a top view structure of a conventional pin supporting jig after a PI film is placed thereon;

FIG. 3 is a schematic top view of the preferred embodiment of the present invention;

FIG. 4 is a front view of the cross bar 31 of FIG. 3;

FIG. 5 is a side view of the structure of longitudinal strip 32 of FIG. 3;

FIG. 6 is a schematic view of the assembled structure of the longitudinal and transverse bars of FIG. 3;

FIG. 7 is a schematic view of the PI film of FIG. 3;

FIG. 8 is a schematic top view of another preferred embodiment of the present invention;

FIG. 9 is a front view of FIG. 8;

wherein: PI film-10; active area-11; invalid region-12; supporting pin-13; a support frame-20; a support strip-30; a frame wall-21; transverse bar-31; longitudinal strip-32; a chute-211; a limiting groove-311; concave notch-321; a limit end-322.

Detailed Description

The following description of the preferred embodiments of the present invention will enable one skilled in the art to make and use the present invention as described below, and will more fully understand the innovative features and attendant advantages of the present invention.

As shown in fig. 1, which is a schematic view of a PI film structure, a PI film 10 includes an effective region 11 and an ineffective region 12, the effective region 11 is required to be uniformly heated during precuring as a subsequent display region, and is not shielded as much as possible during precuring, otherwise, alignment of subsequent products is affected, so that luminance of a display screen is not uniform, which directly relates to a display effect of a product.

As shown in fig. 2, in the structure of the conventional support for supporting pin 13, support pin 13 is an indifferent support that is not zoned, namely: the supporting pin 13 is directly supported by the invalid region 12 and also supported by the valid region 13, and in the process of pre-curing, since the supporting pin 13 directly supports the valid region 13, the supporting position is not consistent with that of other regions due to heating, the pre-curing effect of the product is seriously affected, and the subsequent problem of uneven alignment is caused.

As shown in fig. 3, the utility model provides a PI membrane precuring supports tool, including carriage 20 and support bar 30, carriage 20 is provided with frame wall 21, support bar 30 both ends with frame wall 21 connects, support bar 30 includes horizontal bar 31 and indulges strip 32, the frame wall 21 that indulges strip 32 and connect is provided with spout 211, indulge strip 32 and can be in spout 211 internal translation.

As shown in fig. 7, the position of the movable vertical bar 32 structure can be adjusted according to the model of the PI film 10, so that the support position of the vertical bar 32 is always located in the invalid region 12 of the PI film, the phenomenon of non-uniform pre-curing of the PI film caused by the fact that the support position blocks the valid region 11 is not needed, and the overall pre-curing effect of the PI film 10 is effectively ensured.

Further, the supporting bars 30 are perpendicular to the frame wall 21 connected thereto.

Further, as shown in fig. 4 and 6, a limiting groove 311 is formed in the middle of the horizontal bar 31, the vertical bar 32 penetrates through the limiting groove 311 and the horizontal bar 31, the fixing frames at the two ends of the horizontal bar 31 are immovable on the frame wall 21, and when the horizontal bar 31 and the vertical bar 32 support each other, the limiting groove 311 can reserve an enough space for the horizontal movement of the vertical bar 32.

Further, as shown in fig. 5 and 6, the longitudinal bar 32 is provided with a concave notch 312 matching with the transverse bar 31 at a penetrating position, and the concave notch 32 ensures that the longitudinal bar 32 penetrates through the transverse bar 31 and is not easy to deform, so that the upper surfaces of the longitudinal bar 32 and the transverse bar 31 are positioned in the same horizontal plane, and the support surface of the support jig for placing the PI film 10 is ensured to be flat.

Further, as shown in fig. 5 and 6, two ends of the longitudinal bar 32 are provided with a limiting end 322 in cooperation with the sliding groove 211, and the limiting end 322 is disposed in an L shape or a T shape exposed from the sliding groove 211, but not limited thereto, the limiting end 322 can prevent the longitudinal bar 32 from coming out of the sliding groove 211, and is more convenient for adjusting the translation of the longitudinal bar 32.

As shown in fig. 8 and 9, the sliding groove 211 may also be a through hole structure hollowed in the frame wall 21 as shown in fig. 9, two ends of the longitudinal bar 32 are disposed through the sliding groove 211, and the limiting end 322 of the longitudinal bar 32 is connected to the frame wall 21 by disposing a butterfly bolt, but is not limited thereto.

Furthermore, the frame wall 21 connected with the horizontal strips 31 and the vertical strips 32 is provided with scales or alignment notches, so that the vertical strips 32 can be conveniently moved to be aligned, and the supporting position is always located in an invalid area of the PI film.

Furthermore, the supporting bar 30 is made of one or more materials with excellent heat resistance, such as PEEK material, teflon material, and quartz tube, but not limited thereto, and is more suitable for the pre-curing heating environment, thereby ensuring the supporting strength and the service life of the supporting jig.

The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the specific embodiments of the present invention be limited by these descriptions; to the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.

Claims (6)

1. The utility model provides a PI membrane precuring supports tool which characterized in that: the supporting frame is provided with a frame wall, two ends of the supporting bar are connected with the frame wall, and the supporting bar and the frame wall connected with the supporting bar are perpendicular to each other; the support bar includes the horizontal bar and indulges the strip, indulge the strip run through the horizontal bar and with horizontal bar mutually perpendicular sets up, indulge the frame wall that the strip is connected and still be provided with the spout, indulge the strip and can remove in the spout limited range.

2. The PI film precuring support jig of claim 1, wherein: the horizontal bar middle part is drawn and is equipped with the spacing groove, indulge the strip and run through the spacing groove with horizontal bar mutually perpendicular sets up.

3. The PI film precuring support jig of claim 2, wherein: the penetrating position of the longitudinal strip and the transverse strip is provided with a concave notch matched with the limiting groove.

4. The PI film precuring support jig of claim 1, wherein: the two ends of the longitudinal bar are matched with the sliding grooves and provided with limiting ends.

5. The PI film precuring support jig of claim 4, wherein: the limiting end is arranged on the surface of the frame wall in a protruding mode.

6. The PI film precuring support jig of claim 1, wherein: and scales or alignment notches are arranged on the frame walls connected with the transverse strips and the longitudinal strips.

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