CN219372689U

CN219372689U - Auxiliary tool for bending FPC of display module

Info

Publication number: CN219372689U
Application number: CN202320557810.1U
Authority: CN
Inventors: 王俊武
Original assignee: Chongqing Liangjiang Lianchuang Electronic Co ltd
Current assignee: Chongqing Liangjiang Lianchuang Electronic Co ltd
Priority date: 2023-03-21
Filing date: 2023-03-21
Publication date: 2023-07-18
Anticipated expiration: 2033-03-21

Abstract

The utility model belongs to the technical field of tool fixtures, and particularly relates to an auxiliary tool for bending an FPC (flexible printed circuit) of a display module, which comprises an L-shaped fixing rod, a slide rod A and a slide rod B, wherein the L-shaped fixing rod, the slide rod A and the slide rod B are arranged on a bottom plate and are used for enclosing into an expanding and contracting rectangular frame, the L-shaped fixing rod is fixedly arranged on the bottom plate relative to two side edges of the L-shaped fixing rod, the slide rod A is slidably arranged on the bottom plate through a sliding groove A, the slide rod B is slidably arranged on the bottom plate through a sliding groove B, and a turnover gland is arranged on one side edge of the L-shaped fixing rod. The auxiliary tool is suitable for display modules with different sizes through sliding arrangement of the sliding rod A and the sliding rod B; the gland can be replaced and the position can be adjusted according to different FPC shapes, so that the device is suitable for FPC plates of different models; the display module of the same model can be bent at the cost by one-time adjustment, and the operation is simple and the bending error is small.

Description

Auxiliary tool for bending FPC of display module

Technical Field

The utility model belongs to the technical field of tool fixtures, and provides an auxiliary tool for bending an FPC of a display module.

Background

The flexible printed circuit board (FPC) is an important component element of the display module, is a flexible printed circuit board which is made of polyimide or polyester film as a base material and has quite reliability, and has the irreplaceable advantages of high wiring density, good bending performance, thin thickness, light weight and the like.

Because of the limitation of structural space, the display module needs to bend the FPC in advance before the whole assembly machine is produced, so that the FPC of the touch display module for shipment is ensured to be in a bending state, and in the prior art, a full-automatic bending device and a manual bending device are mostly adopted, and the full-automatic bending device has high input cost and complex structure; the strength and the angle of the FPC are difficult to grasp during manual bending, so that the test result after bending of the FPC at each time finally has relatively large errors, and standard quantization cannot be well performed.

Comprehensively considering the factors of cost and bending quality, the industry develops a jig for assisting manual bending, and helps an operator to control bending precision; however, the existing auxiliary bending jig can only be used for bending display modules with specific sizes and FPCs with specific shapes, and different auxiliary jigs are required to be developed for bending FPCs with different display modules, so that the auxiliary jigs are poor in universality and are not beneficial to cost control.

Disclosure of Invention

Therefore, the utility model aims to provide an auxiliary tool for bending the FPC of the display module, so as to meet the bending requirements of the FPC of the display modules with different sizes.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides an auxiliary fixture for bending a Flexible Printed Circuit (FPC) of a display module, which comprises an L-shaped fixing rod, a slide rod A and a slide rod B, wherein the L-shaped fixing rod, the slide rod A and the slide rod B are arranged on a bottom plate and are used for enclosing into an expanding and contracting rectangular frame, the L-shaped fixing rod is fixedly arranged on the bottom plate relative to two side edges of the L-shaped fixing rod respectively, the slide rod A is slidably arranged on the bottom plate through a sliding groove A, the slide rod B is slidably arranged on the bottom plate through a sliding groove B, and a turnover gland is arranged on one side edge of the L-shaped fixing rod.

Optionally, an avoidance groove is arranged on the bottom plate and positioned in the expansion and contraction type rectangular frame.

Optionally, a side of the L-shaped fixing rod, where the gland is located, is provided with a chute C along the length direction of the L-shaped fixing rod, the gland rotates on the slide seat through the rotating shaft, and the slide seat is slidably arranged in the chute C.

Optionally, fasteners for locking and releasing the two sliding rods are respectively arranged between the sliding rod A and the sliding groove A, between the sliding rod B and the sliding groove B and between the sliding seat and the sliding groove C, and/or a push rod component respectively acting on the sliding rod A, the sliding rod B and the sliding seat is arranged on the base; the fastener adopts screw nut structure, and push rod subassembly includes lead screw and fixed block, and the fixed block sets firmly on the bottom plate, and the lead screw rotates on the fixed block.

Alternatively, the chute a and the chute B adopt a double-guide-groove structure.

Optionally, the gland is a magnetic plate, and a notch matched with the FPC board of the display module is arranged on the gland.

Optionally, the L-shaped fixing rod, the sliding rod A and the sliding rod B are respectively provided with a flexible liner on the corresponding surface facing the display module, and the flexible liner is prepared from sponge, rubber or silica gel.

Optionally, the L-shaped fixing rod is further provided with an overhanging type limiting plate, and the bottom of the free end of the limiting plate is provided with a transition fillet.

Optionally, the sliding rod B does not abut against the L-shaped fixing rod.

The beneficial effects of the utility model are as follows: the auxiliary tool is suitable for display modules with different sizes through improvement and optimization of the structure and sliding arrangement of the sliding rods A and B; the gland can be replaced and the position can be adjusted according to different FPC shapes, so that the device is suitable for FPC plates of different models; the display module of the same model can be bent at the same cost by one-time adjustment, and the display module has the advantages of simplifying operation, reducing bending error, saving time, improving working efficiency and the like.

Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model. The objects and other advantages of the utility model may be realized and obtained by means of the instrumentalities and combinations particularly pointed out in the specification.

Drawings

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the present utility model will be described in the following preferred detail with reference to the accompanying drawings, in which:

FIG. 1 is a schematic diagram of an auxiliary tool for bending a display module FPC of the present utility model;

FIG. 2 is a schematic illustration of the gland separation of FIG. 1;

FIG. 3 is a schematic plan view of the display module before bending the FPC;

FIG. 4 is a schematic plan view of the display module FPC of the present utility model after bending;

FIG. 5 is an enlarged view of a portion of the stop plate of FIG. 1;

reference numerals: the device comprises a 1-bottom plate, a 2-sliding chute B, a 3-sliding rod B, a 4-screw rod, a 5-fixed block, a 6-sliding chute C, a 7-gland, an 8-rotating shaft, a 9-sliding seat, a 10-fastener, an 11-L-shaped fixed rod, a 12-avoidance groove, a 13-limiting plate, a 14-sliding chute A, a 15-flexible liner, a 16-sliding rod A, a 17-display module and an 18-FPC board; 71-notch, 131-transition fillet.

Detailed Description

Other advantages and effects of the present utility model will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present utility model with reference to specific examples. The utility model may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present utility model. It should be noted that the illustrations provided in the following embodiments merely illustrate the basic idea of the present utility model by way of illustration, and the following embodiments and features in the embodiments may be combined with each other without conflict.

Wherein the drawings are for illustrative purposes only and are shown in schematic, non-physical, and not intended to be limiting of the present patent; for the purpose of better illustrating embodiments of the utility model, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the size of the actual product; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. Furthermore, the present utility model may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed.

As shown in fig. 1-2, the auxiliary fixture for bending the FPC of the display module comprises an L-shaped fixing rod 11, a slide rod a16 and a slide rod B3 which are arranged on a bottom plate 1, wherein the slide rod a16 is slidably arranged on the bottom plate 1 through a slide groove a14, the slide rod B3 is slidably arranged on the bottom plate 1 through a slide groove B2, the L-shaped fixing rod 11 is fixedly arranged on the bottom plate 1, and the slide rod a16 and the slide rod B3 are respectively opposite to two side edges of the L-shaped fixing rod 11, so that the three can be enclosed into an expanding and contracting rectangular frame for fixing the display module 17, and the slide rod a16 and the slide rod B3 are slidably adjusted to be fixed in size and can clamp the display module 17 with different length-width ratios. The turnover type gland 7 is arranged on one side of the L-shaped fixed rod 11, that is, the side of the gland 7 on the L-shaped fixed rod 11 is provided with a chute C6 along the length direction, the gland 7 rotates on the slide seat 9 through the rotating shaft 8, and the slide seat 9 is slidably arranged in the chute C6. Like this, gland 7 is rotated through pivot and slide 9 and is connected, and slide 9 then with spout C6 sliding connection realizes gland 7 upset and the function of sliding to the pressure of being fit for different size display module assembly 17 leans on.

A notch 71 matched with the FPC board 18 of the corresponding display module 17 is arranged at one side edge of the gland 7 in the embodiment; the chute C6 is located at the beginning of the port of the L-shaped fixing rod 11, i.e. one end of the chute C is provided with an opening, so as to facilitate the replacement of the gland 7 with different notches 71, thereby meeting the bending requirements of the FPC boards 18 with different shapes. The gland 7 adopts a magnetic suction plate, so that the operation of the gland 7 is convenient.

An avoidance groove 12 is arranged on the bottom plate 1 in the embodiment and positioned in the expansion and contraction type rectangular frame. The design of the avoidance groove 12 can avoid components at the lower end of the touch display module 17.

The slide bar B3 in the present embodiment does not abut on the L-shaped fixing bar 11. That is, the end of the sliding rod B3 and the L-shaped fixing rod 11 have a gap to form an opening, so that the finger can conveniently extend into the display module 17 to be taken out. It should be noted that, the sliding rod and the sliding slot mentioned in the embodiments are only expressed by a\b, and are not meant to limit the positional characteristics or the relevance between the sliding rod and other components.

The fastening pieces 10 used for locking and releasing the sliding rod A16 and the sliding groove A14 and the sliding seat 9 and the sliding groove C6 are respectively arranged between the sliding rod A16 and the sliding groove A14 and between the sliding seat 9 and the sliding groove C6, and a push rod component acting on the sliding rod B3 is arranged on the base 1; the fastener 10 adopts a screw nut structure, the push rod assembly comprises a screw rod 4 and a fixed block 5, the fixed block 5 is fixedly arranged on the bottom plate 1, and the screw rod 4 rotates on the fixed block 5. In this way, tightness and positioning can be achieved by the fastener 10 and pushing and positioning can be achieved by the screw 4. Of course, in various embodiments, the fastener 10 may be disposed between the slide bar B3 and the slide groove B2, and the slide bar a16 and the slide 9 may be driven by the push rod assembly.

The chute a14 and the chute B2 in the present embodiment adopt a double guide groove structure. To ensure smooth sliding.

The L-shaped fixing rod 11, the slide rod a16 and the slide rod B3 in this embodiment are provided with flexible gaskets 15 on the corresponding faces facing the display module 17, respectively, and the flexible gaskets 15 are made of sponge or rubber or silica gel. Through the design of flexible liner 15, can carry out effectual protection in the centre gripping location in-process of rectangle frame to display module assembly 17, avoid the damage of display module assembly 17.

As shown in fig. 3, the L-shaped fixing rod 11 in this embodiment is further provided with an overhanging type limiting plate 13, and a transition fillet 131 is provided at the bottom of the free end of the limiting plate 13. The lower edge of the limiting plate 13 is convenient for the installation of the display module 17 and prevents the display module 17 from being damaged during the installation.

As shown in fig. 4-5, the operation steps of the auxiliary tool are as follows: firstly, adjusting a slide bar A16 and a slide bar B3 according to the size of a touch display module 17 to be processed, respectively screwing fasteners 10 on a slide groove A14 and a slide groove B2, selecting a gland 7 matched with an FPC board 18 of the touch display module 17 to be processed, sliding and connecting the gland 7 to a slide groove C6 of an L-shaped fixed rod 11, adjusting the position of the gland 7, and screwing the fasteners 10 on the slide groove C6; then, the touch display module 17 to be processed is installed, and the gland 7 is turned over to cover the touch display module 17; then, bending the FPC board 18 manually, and enabling the free end of the FPC board 18 to be matched with a notch 71 formed in the gland 7; finally, the bending is completed, the display module 17 is taken out through the opening between the slide bar B3 and the L-shaped fixed bar 11, and the touch display module 17 with the same model can be operated in batch by only adjusting the slide bar A16 and the slide bar B3 once and replacing the gland 7 once; if another touch display module 17 is required to be folded, the slide bars a16 and B3 are adjusted and the gland 7 matched with the FPC board 18 of the display module 17 is replaced.

By adopting the scheme, the auxiliary tool is suitable for display modules 17 with different sizes through improving and optimizing the structure and sliding the slide bars A16 and B3; the gland 7 can be replaced and the position can be adjusted according to the shapes of different FPC boards 18, so that the device is suitable for different types of FPC boards 18; the display module 17 of the same model can be bent at a time, and the display module has the advantages of simplifying operation, reducing bending error, saving time, improving working efficiency and the like.

Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the present utility model, which is intended to be covered by the claims of the present utility model.

Claims

1. The utility model provides an auxiliary fixtures for display module assembly FPC buckles, a serial communication port, including setting up on the bottom plate and be used for enclosing L shape dead lever, slide bar A and the slide bar B of a expansion and contraction type rectangle frame, and slide bar A and slide bar B respectively for the both sides limit of L shape dead lever, L shape dead lever sets firmly on the bottom plate, slide bar A locates on the bottom plate through spout A slip, slide bar B locates on the bottom plate through spout B slip, one side edge of L shape dead lever sets up convertible gland.

2. The auxiliary fixture for bending the FPC of the display module according to claim 1, wherein the bottom plate is provided with an avoidance groove which is positioned in the expansion rectangular frame.

3. The auxiliary fixture for bending the FPC of the display module according to claim 1, wherein a chute C along the length direction of the gland is arranged on the side of the L-shaped fixing rod, the gland rotates on a sliding seat through a rotating shaft, and the sliding seat is slidably arranged in the chute C.

4. The auxiliary fixture for bending the FPC of the display module according to claim 3, wherein fasteners for locking and unlocking the slide bars A, the slide bars B and the slide grooves B and the slide seat and the slide groove C are respectively arranged between the slide bars A and the slide grooves A, between the slide bars B and the slide grooves B, and/or a push rod assembly respectively acting on the slide bars A, the slide bars B and the slide seat is arranged on the base; the fastener adopts screw nut structure, push rod subassembly includes lead screw and fixed block, and the fixed block sets firmly on the bottom plate, and the lead screw rotates on the fixed block.

5. The auxiliary fixture for bending the FPC of the display module according to claim 4, wherein the chute A and the chute B adopt a double-guide-groove structure.

6. The auxiliary fixture for bending the FPC of the display module according to claim 1, wherein the gland is a magnetic plate, and a notch matched with the FPC of the display module is formed in the gland.

7. The auxiliary fixture for bending the FPC of the display module according to claim 1, wherein the L-shaped fixing rod, the sliding rod A and the sliding rod B are respectively provided with flexible gaskets on the corresponding surfaces facing the display module, and the flexible gaskets are prepared from sponge, rubber or silica gel.

8. The auxiliary fixture for bending the FPC of the display module according to claim 1, wherein the L-shaped fixing rod is further provided with an overhanging type limiting plate, and the bottom of the free end of the limiting plate is provided with a transition fillet.

9. The auxiliary fixture for bending the FPC of the display module according to claim 1, wherein the sliding rod B does not abut against the L-shaped fixing rod.