Positioning assembly jig

Abstract

The utility model discloses a positioning assembly jig which comprises a positioning frame, fixing columns are installed on the periphery of the upper end of the positioning frame, long baffles are arranged on three side edges of the upper end of the positioning frame, second check blocks are arranged on the long baffles, and a first check block is arranged on the other side of the upper end of the positioning frame. According to the positioning and assembling jig, the first check block and the second check block are inserted into the fixing column, protrude out of the upper end of the positioning frame and limit the side edge of the liquid crystal module, so that BL diaphragms are prevented from being separated, arched and uneven, the probability of bad foreign matters is reduced, the foreign matters on the surface can be found and removed in time, and the production efficiency is improved. The original design problem point can be completely improved, and meanwhile assembling foreign matter is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to liquid crystal display module technical field, specifically is a kind of positioning assembly fixture. BACKGROUND

[0002] Liquid crystal display module is screen and backlight assembly, including reflecting plate, emitting layer etc., liquid crystal display module is constantly improved with the continuous development of society, and is widely used, is applied in numerical control system, man-machine interface, medical instrument, food detection and data acquisition etc.

[0003] FOB and BL produced by front process need to be assembled when producing liquid crystal module, FOB refers to the front end part of liquid crystal module, usually including liquid crystal panel (LCD Panel) and its related front end assembly, it is the display part of liquid crystal module, responsible for the display and optical performance of image, BL refers to the backlight part of liquid crystal module, for providing uniform light source for liquid crystal panel, BL provides backlight to make image visible, the existing liquid crystal display module adopts inverted mounting during assembling, the module can be accurately aligned by inverted mounting, first, BL and FOB are assembled, the flexible circuit part of FOB is inverted on the back of LCD panel, to ensure that the connecting point is aligned, and the flexible circuit part of FOB is fixed with the connecting point on the back of LCD panel by using hot pressing or ultrasonic welding method.

[0004] But there is no fixing device when inverted mounting, which causes the separation of bottom BL diaphragm, produces membrane arch, membrane unevenness and other phenomena, at the same time, surface foreign matter cannot be found and removed in time, the product size difference during assembling causes assembly deviation, iron frame paint drop, light leakage and other problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of positioning assembly fixture to solve the problem that the positioning assembly fixture on current market adopts inverted mounting to easily cause the separation of BL diaphragm, produces membrane arch, membrane unevenness and other phenomena as described in the above background art.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of positioning assembly fixture, including positioning frame, fixed column is installed on the upper end of positioning frame, long baffle is arranged on the upper end of three sides of positioning frame, and second stopper is arranged on the long baffle, and first stopper is arranged on the other side of the upper end of positioning frame.

[0007] Preferably, mounting holes are formed in the second stopper and the first stopper, the mounting holes correspond to the fixed columns one by one, and the mounting holes penetrate the inside of the long baffle.

[0008] Preferably, a display screen body is assembled on the positioning frame, and the side edges of the display screen body are in contact with the side edges of the first stopper and the second stopper.

[0009] Preferably, the positioning frame is rotatably connected with a connecting block at each side thereof, and the connecting block is fixed with the second block and the first block.

[0010] Preferably, the top of the fixing column is conical.

[0011] Compared with the prior art, the present application has the following advantages:

[0012] 1. The fixing column, the first block and the second block are provided, the first block and the second block are inserted into the fixing column, the first block and the second block protrude from the upper end of the positioning frame, the first block and the second block limit the side of the liquid crystal module, the operation is performed in a reverse manner, the BL film is prevented from being separated, the film arch is prevented from being generated, the film unevenness is prevented, the foreign matter is prevented from being generated, the foreign matter can be found and removed in time, the original design problem point can be completely improved, and the assembly foreign matter is improved.

[0013] 2. The connecting block is provided, the upper end of the fixing column is conical, the first block and the second block are not separated by the connecting block, the first block and the second block can be disassembled by the pulling manner, the first block and the second block do not need to be observed one by one during the assembly process, and the operation is facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a positioning frame structure schematic view of the present application embodiment;

[0015] Figure 2 It is a structure schematic view after installation of the present application embodiment one;

[0016] Figure 3 It is a structure schematic view after installation of the present application embodiment two;

[0017] Figure 4 It is a side view structure schematic view of the present application embodiment two;

[0018] Figure 5 It is a positioning frame structure schematic view of the present application embodiment two.

[0019] In the drawing: 1, positioning frame; 2, fixing column; 3, first block; 4, second block; 5, long baffle; 6, display screen body; 7, connecting block. DETAILED DESCRIPTION

[0020] Clearly and completely describe the technical scheme in the embodiments of the utility model with reference to the drawings in the embodiments of the utility model, apparently, the described embodiment is only a part of the embodiment of the utility model, and is not all the embodiment. Based on the embodiment in the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor belong to the range of protection of the utility model.

[0021] Please refer to Figures 1-5 The utility model provides the following technical scheme:

[0022] Embodiment one: this embodiment realizes changing the assembly mode of the existing liquid crystal module, improves the yield of the liquid crystal module, and reduces foreign matter defects, and the specific content is as follows:

[0023] A positioning assembly jig, comprising a positioning frame 1, a fixed column 2 is installed on the upper end of the positioning frame 1, a long baffle 5 is arranged on the upper end of the positioning frame 1 on three sides, and a second stop block 4 is arranged on the long baffle 5, and a first stop block 3 is arranged on the other side of the upper end of the positioning frame 1.

[0024] The second stop block 4 and the first stop block 3 are provided with mounting holes, the mounting holes correspond to the fixed columns 2 one by one, and the mounting holes penetrate the inside of the long baffle 5.

[0025] The display screen body 6 is assembled on the positioning frame 1, and the four side edges of the display screen body 6 are in contact with the side edges of the first stop block 3 and the second stop block 4.

[0026] Align the mounting hole on the second stop block 4 with the fixed column 2, the fixed column 2 limits the second stop block 4 and the long baffle 5, align the mounting hole on the first stop block 3 with the fixed column 2, the fixed column 2 limits the first stop block 3, then place the liquid crystal display module in the positioning frame 1, place the liquid crystal display module upwards, assemble the front, the assembly precision is controlled according to the gap of the positioning strip, the foreign matter can be removed in time during the assembly process, the assembly yield is ensured, the original design problem point can be completely improved, and the assembly foreign matter is improved. After assembly is completed, the first stop block 3 and the second stop block 4 on the side are disassembled, then the assembled liquid crystal display device can be directly taken down, and the assembly of the liquid crystal display module is realized.

[0027] Embodiment two: the first stop block 3 and the second stop block 4 are connected with the positioning frame 1, the first stop block 3 and the second stop block 4 are not separated from the positioning frame 1, the side edges of the positioning frame 1 are rotatably connected with the connecting blocks 7, the connecting blocks 7 are fixed with the first stop block 3 and the second stop block 4, and the top of the fixed column 2 is provided with a conical structure.

[0028] Pull the connecting block 7 upwards by hand, the connecting block 7 drives the first block 3 and the second block 4 to rotate upwards synchronously in the process of rotating upwards, when the first block 3 and the second block 4 rotate upwards to contact with the fixed column 2, the first block 3 and the second block 4 are made of plastic, plastic has elasticity, the fixed column 2 extrudes the first block 3 and the second block 4, so that the first block 3 and the second block 4 are sleeved on the fixed column 2, after the liquid crystal display device is assembled, pull the first block 3 and the second block 4 outward by hand, because the structure of the upper end of the fixed column 2 can guide the first block 3 and the second block 4, the first block 3 and the second block 4 move outward until the first block 3 and the second block 4 are separated from the fixed column 2, the first block 3 and the second block 4 are connected with the positioning frame 1 through the setting of the connecting block 7, each part is not separated, quick assembly can be realized, the first block 3 and the second block 4 do not need to be aligned with the fixed column 2, and the assembly efficiency is improved.

[0029] Although the utility model has been explained in detail with reference to the foregoing embodiments, for those skilled in the art, the technical scheme recorded in the foregoing embodiments can be modified, or part of the technical features can be replaced equivalently, any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A positioning assembly jig comprising a positioning frame (1), characterized in that, The positioning frame (1) is provided with fixed columns (2) on the upper end, long baffles (5) are arranged on three sides of the upper end of the positioning frame (1), second stop blocks (4) are arranged on the long baffles (5), and a first stop block (3) is arranged on the other side of the upper end of the positioning frame (1).

2. The positioning assembly jig of claim 1, wherein: The second stop block (4) and the first stop block (3) are both provided with mounting holes, the mounting holes correspond to the fixed columns (2) one by one, and the mounting holes penetrate the inside of the long baffles (5).

3. The positioning assembly jig of claim 2, wherein: The positioning frame (1) is assembled with a display screen body (6), the four side edges of the display screen body (6) are in contact with the side edges of the first stop block (3) and the second stop block (4).

4. The positioning assembly jig of claim 1, wherein: The positioning frame (1) is rotatably connected with a connecting block (7) on the four side edges, and the connecting block (7) is fixed with the second stop block (4) and the first stop block (3).

5. The positioning assembly jig of claim 4, wherein: The fixed column (2) is provided with a conical structure at the top.

Images