CN220171358U

CN220171358U - Laser lighting fixture for liquid crystal panel

Info

Publication number: CN220171358U
Application number: CN202321640016.XU
Authority: CN
Inventors: 刘富兵; 王进; 许扬
Original assignee: Nanjing Was G Technology Co ltd
Current assignee: Nanjing Was G Technology Co ltd
Priority date: 2023-06-27
Filing date: 2023-06-27
Publication date: 2023-12-12
Anticipated expiration: 2033-06-27

Abstract

The utility model discloses a laser lighting fixture for a liquid crystal panel, which comprises a base, wherein a bottom plate is erected on the upper surface of the base, a wiring socket is vertically arranged on one side edge of the base, an indicator lamp is arranged on the base avoiding the bottom plate, a plurality of groups of pressing mechanisms are fixed on the upper surface of the base and matched with the edge of the bottom plate, two groups of PCB components are arranged below one side of the bottom plate, and a positioning pin is arranged on the upper surface of the bottom plate; the advantages are that: the jig is simple and portable in structure, different patterns and sizes can be designed according to the machine table and working conditions, the space of the machine table is not occupied, the detection is stable and efficient by matching with the CCD, the operation and the installation are convenient and simple, and an operator can judge whether the panel is qualified or not by only placing a product on the jig through manpower or the CCD.

Description

Laser lighting fixture for liquid crystal panel

Technical Field

The utility model particularly relates to a laser lighting fixture for a liquid crystal panel.

Background

In OLED liquid crystal display panel trade, the panel need carry out the test of lighting a lamp before installation FPC and PCB, prevents that the panel from appearing the adverse event when carrying out AOI inspection, and the purpose of this tool just need not to install FPC and PCB just can inspect the panel in advance, whether have the defect after lighting the panel to according to different operating mode and product model change tool style.

Disclosure of Invention

The utility model aims to solve the technical problem that whether a liquid crystal panel has defects or not can be detected before FPC (flexible printed circuit) is installed, and provides a laser lighting jig for a liquid crystal panel, which comprises a base, a bottom plate is erected on the upper surface of the base, a wiring socket is vertically arranged on one side edge of the base, an indicator lamp is arranged on the base avoiding the bottom plate, a plurality of groups of pressing mechanisms are fixed on the upper surface of the base and matched with the edge of the bottom plate, two groups of PCB (printed circuit board) components are arranged below one side of the bottom plate, and positioning pins are arranged on the upper surface of the bottom plate.

According to the technical scheme, the jig is simple and portable in structure, different patterns and sizes can be designed according to the machine and working conditions, the space of the machine is not occupied, and the CCD can be matched to enable detection to be stable and efficient; the operation and installation are convenient and simple, and an operator can judge whether the panel is qualified or not through manpower or CCD only by placing the product on the jig.

According to the technical scheme, through grooves are formed in the bottom plate, a plurality of frame plates extend from the wall of the through grooves, the frame plates are arranged on the same plane, stepped platforms are formed at the edges of the frame plates, positioning pins are arranged on a plurality of frame plates, the through grooves are formed in the frame plates for supporting the liquid crystal panel in the air, the liquid crystal panel is convenient to take down and cannot be adsorbed on the bottom plate, and the positioning pins are arranged on the edges of the frame plates for supporting the liquid crystal panel and fixing the liquid crystal panel.

According to the technical scheme, the whole base is made of aluminum, two symmetrical edges of the base are respectively provided with a handle, the aluminum base is high in strength, light in weight, firm and stable in splicing, and can be matched with a machine table for clamping and positioning, and the handles are used for facilitating moving of the device.

According to the technical scheme, the base plate is in interactive connection with the base through the plurality of buffer components, the buffer components comprise the guide posts and the buffer springs, the guide posts penetrate through the base plate to be connected with the base, the buffer springs are sleeved on the guide posts and are positioned between the base plate and the base, the upper end of each guide post is provided with the baffle plate, and the buffer components mainly play a role in overpressure protection of the liquid crystal panel and prevent the liquid crystal panel from being broken due to overlarge pressure.

The preferred technical scheme of the utility model has the advantages that the wiring socket is a 50-pin row socket, and the multi-pin row socket can ensure good signal transmission.

The pressing mechanism is preferably a customized connecting rod pressing assembly and comprises two base assemblies, wherein the base assemblies comprise an upper base and a lower base, the side surfaces of the upper base and the lower base are hinged through connecting plates, the front ends of the upper base and the lower base are simultaneously hinged with an L-shaped pressing plate, the rear ends of the upper bases of the two base assemblies are connected through a connecting rod, the front ends of the upper bases are connected through a connecting rod, the pressing range is larger, and the operation is convenient and quick.

According to the technical scheme, a plurality of groups of telescopic rods are arranged between the base and the bottom plate, two ends of each telescopic rod are connected with the base and the bottom plate respectively, and the telescopic rods mainly play a role in limiting the bottom plate when the bottom plate is pressed down, so that the falling direction of the bottom plate can be prevented from deviating.

According to the technical scheme, the upper surface of the base is provided with the plurality of limit studs, the limit studs are in threaded connection with the base, and the limit studs are mainly applicable to limiting the descending height of the bottom plate.

According to the technical scheme, the PCB assembly comprises a PCB base plate, a PCB fixing plate is arranged above the PCB base plate, the upper surface of the PCB fixing plate is fixedly provided with a PCB, a plurality of probe installation blocks are connected to the panel and are connected together through connecting plates, probes are vertically arranged on the side walls of the probe installation blocks, adjusting screws are erected on the upper surface of the PCB base plate and connected with one end of the PCB fixing plate, and the overall position of the PCB assembly can be adjusted through the adjusting screws.

Compared with the prior art, the utility model has the following beneficial effects:

according to the technical scheme, the jig is simple and portable in structure, different patterns and sizes can be designed according to the machine table and working conditions, the space of the machine table is not occupied, the detection is stable and efficient by matching with the CCD, the operation and the installation are convenient and simple, and an operator can judge whether the panel is qualified or not by only placing the product on the jig or not by manpower or the CCD.

Drawings

Fig. 1 is a left side view of a laser lighting fixture for a liquid crystal panel according to the present embodiment;

fig. 2 is a right side view of the laser lighting fixture of the liquid crystal panel of the present embodiment;

FIG. 3 is a front perspective view of the laser lighting fixture of the liquid crystal panel according to the present embodiment;

FIG. 4 is a diagram showing the position of the panel on the device when the laser lighting fixture for the liquid crystal panel of the present embodiment is in use;

FIG. 5 is a perspective view showing the structure of the pressing mechanism;

FIG. 6 is a diagram showing a floor structure;

fig. 7 is a structural representation of a PCB assembly.

The reference numerals in the figures correspond to: base 1, bottom plate 2, wiring socket 3, pilot lamp 4, pressing mechanism 5, PCB subassembly 6, location pin7, handle 8, spacing double-screw bolt 9, buffer spring 10, telescopic link 11, adjusting screw 12, probe 13, PCB board 14, probe installation piece 15, PCB fixed plate 16, PCB bottom plate 17, connecting plate 18.

Detailed Description

The following describes the technical solution in the embodiment of the present utility model in detail with reference to fig. 1 to 7 in the embodiment of the present utility model.

Example 1

As shown in fig. 1-7, the laser lighting fixture for the liquid crystal panel comprises a base 1, a bottom plate 2 is erected on the upper surface of the base 1, a wiring socket 3 is vertically arranged on one side edge of the base 1, an indicator lamp 4 is arranged on the base 1 avoiding the bottom plate 2, three groups of pressing mechanisms 5 are fixed on the upper surface of the base 1 and matched with the edge of the bottom plate 2, two groups of PCB assemblies 6 are arranged below one side of the bottom plate 2, and a positioning pin7 is arranged on the upper surface of the bottom plate 2.

The bottom plate 2 is the rectangle, and the logical groove has been seted up to bottom plate 2, extends on the cell wall of logical groove and is equipped with a plurality of frame plates, and the frame plate is on the coplanar, and ladder platform has been seted up to the frame plate edge, and location pin7 sets up on several frame plates wherein.

The whole base 1 is made of aluminum, two symmetrical edges of the base 1 are respectively provided with a rectangular notch, and a handle 8 is fixed at the rectangular notch of the base 1 through a screw.

The support plate is vertically arranged at the bottom edge of the base 1 and is positioned at the positions of the two handles 8 at the edge of the base 1, a notch is reserved on the support plate, the use of the handles 8 is prevented from being influenced, and the support plate is fixedly connected with the base 1 through screws.

The base plate 2 is in interactive connection with the base 1 through a plurality of buffer components, the buffer components comprise guide columns and buffer springs 10, the guide columns penetrate through the base plate 2 to be connected with the base, the buffer springs 10 are sleeved on the guide columns and are located between the base plate 2 and the base 1, and baffle plates are arranged at the upper ends of the guide columns.

The wiring socket 3 is a 50-pin row socket, is vertically arranged on the edge corner position of the base 1, the indicator lamp 4 is arranged near the wiring socket 3, and the indicator lamp 4 is used for displaying whether a signal is on or not.

The three sets of pressing structures 5 are arranged on one side of two long sides of the bottom plate 2, one pressing structure 5 is arranged on the other side of the two long sides of the bottom plate 2, two sets of PCB components 6 are arranged below the bottom plate 2 and correspond to the positions of the two pressing structures 5 on the same side, the three sets of pressing structures 5 are identical in structure and fixing method, the distance between the two base components of the pressing structures 5 arranged on one side is relatively large, the distance between the two base components of the pressing structures 5 arranged on the same side is similar to the length of the PCB components 6.

The pressing mechanism 5 is a customized connecting rod pressing assembly and comprises two base assemblies, wherein the base assemblies comprise an upper base 51 and a lower base 52, the side surfaces of the upper base and the lower base are hinged through connecting plates 53, the front ends of the upper base 51 and the lower base 52 are simultaneously hinged with an L-shaped pressing plate 54, the rear ends of the upper base 51 of the two base assemblies are connected through a connecting rod 55, and the upper base and the lower base are fixed by adopting screw matching.

In the short-sized pressing structure 5, the front ends of the L-shaped pressing plates 54 on the two base components are matched with a connecting rod 56 through screws, so that the front ends of the two L-shaped pressing plates 54 are connected.

Four T-shaped pressing blocks are arranged on one surface of the connecting rod 56 in the two base assemblies which are adjacently arranged, the T-shaped pressing blocks correspond to each probe installation block 15, gaps are reserved between the T-shaped pressing blocks and are used for placing a liquid crystal panel, the T-shaped pressing blocks are pressed on the liquid crystal panel, two sides of each T-shaped pressing block are matched and fixed with the connecting rod 56 through screws, waist-shaped holes are formed in two sides of each T-shaped pressing block, and the positions of the T-shaped pressing blocks can be adjusted through the waist-shaped holes.

Four telescopic rods 11 are arranged between the base 1 and the bottom plate 2, the four telescopic rods 11 are arranged on four corners of the bottom plate 1, and two ends of each telescopic rod 11 are respectively connected and fixed with the base 1 and the bottom plate 2.

The upper surface of the base 1 is provided with a plurality of limit studs 9, the limit screws are positioned below the plate body of the bottom plate 2, the base 1 is provided with threaded holes, and the limit studs 9 are matched with the threaded holes of the base 1.

The PCB assembly 6 comprises a PCB bottom plate 17, two waist-shaped holes are formed in two ends of the plane of the bottom plate 17 along the Y-axis direction, screws penetrate through the waist-shaped holes to fix the bottom plate 17 on the base 1, and the bottom plate 17 realizes the overall position adjustment of the PCB assembly along the Y-axis direction through the waist-shaped holes and the screws.

A stand is arranged at one end of the upper end face of the bottom plate 17, the adjusting screw 12 is horizontally erected on the bottom plate 17 through the stand, and the adjusting screw 12 is in threaded connection with the PCB fixing plate 16.

Four probe mounting blocks 15 are connected to the panel, the probe mounting blocks 15 are connected together through a connecting plate 18, and probes 13 are vertically arranged on the side walls of the probe mounting blocks 15.

The PCB fixing plate 16 is provided with a through hole, the PCB bottom plate 17 is provided with a waist-shaped hole corresponding to the through hole of the PCB fixing plate 16, the waist-shaped hole is provided along the X-axis direction, the PCB plate 14 is provided with a through hole corresponding to the through hole of the PCB fixing plate 16, the connecting plate 18 is provided with a through hole corresponding to the through hole of the PCB fixing plate 16, a screw penetrates from the through hole of the uppermost connecting plate 18, continuously passes through the through holes of the PCB plate 14 and the PCB fixing plate 16 and then is matched with a nut, and the nut is positioned in the waist-shaped hole of the bottom plate 17 to slide.

The application method of the laser lighting fixture for the liquid crystal panel of the embodiment is as follows: fixing the jig on a machine table, and connecting the wiring socket with the machine table socket; the product is placed on a jig, the jig is provided with a positioning reference, a panel can be positioned, the levelness of the jig and the position of the PCB needle insertion point are adjusted, and the signal points are ensured to correspond to the probes one by one; closing the pressing assembly (one group at the upper end and two groups at the lower end) and starting detection.

The above embodiments are only for illustrating the technical idea of the present utility model, and the protection scope of the present utility model is not limited thereto, and any modification made on the basis of the technical scheme according to the technical idea of the present utility model falls within the protection scope of the present utility model.

Claims

1. The utility model provides a laser lamp lighting fixture of liquid crystal display panel, includes base (1), its characterized in that: the bottom plate (2) is erect on the upper surface of base (1), wiring socket (3) are established on base (1) one side edge immediately, and bottom plate (2) setting is avoided in pilot lamp (4) on base (1), and multiunit pressing mechanism (5) are fixed on the upper surface of base (1), cooperate with the edge of bottom plate (2), and two sets of PCB subassemblies (6) set up in the below of bottom plate (2) one side, and the upper surface of bottom plate (2) is equipped with location pin (7).

2. The liquid crystal panel laser lighting fixture of claim 1, wherein: the bottom plate (2) is provided with a through groove, a plurality of shelf boards extend from the groove wall of the through groove, the shelf boards are on the same plane, the edges of the shelf boards are provided with stepped platforms, and the positioning pins (7) are arranged on a plurality of shelf boards.

3. The liquid crystal panel laser lighting fixture of claim 1, wherein: the whole base (1) is made of aluminum, and two symmetrical edges of the base (1) are respectively provided with a handle (8).

4. The liquid crystal panel laser lighting fixture of claim 1, wherein: the base plate (2) is in interactive connection with the base (1) through a plurality of buffer components, the buffer components comprise guide columns and buffer springs (10), the guide columns penetrate through the base plate to be connected with the base, the buffer springs (10) are sleeved on the guide columns and are located between the base plate (2) and the base (1), and the upper ends of the guide columns are provided with baffle plates.

5. The liquid crystal panel laser lighting fixture of claim 1, wherein: the wiring socket (3) is a 50-pin row socket.

6. The liquid crystal panel laser lighting fixture of claim 1, wherein: the pressing mechanism (5) is a customized connecting rod pressing assembly and comprises two base assemblies, the base assemblies comprise an upper base (51) and a lower base (52), the side faces of the upper base and the lower base are hinged through connecting plates (53), the front ends of the upper base (51) and the lower base (52) are simultaneously hinged with an L-shaped pressing plate (54), the rear ends of the upper bases (51) of the two base assemblies are connected through a connecting rod (55), and the front ends of the upper base and the lower base are connected through a connecting rod (56).

7. The liquid crystal panel laser lighting fixture of claim 1, wherein: a plurality of groups of telescopic rods (11) are arranged between the base (1) and the bottom plate (2), and two ends of each telescopic rod (11) are respectively connected with the base (1) and the bottom plate (2).

8. The liquid crystal panel laser lighting fixture of claim 1, wherein: the upper surface of the base (1) is provided with a plurality of limit studs (9), and the limit studs are in threaded connection with the base (1).

9. The laser lighting fixture of claim 5, wherein: the PCB assembly (6) comprises a PCB base plate (17), a PCB fixing plate (16) is arranged above the PCB base plate, a PCB (14) is fixed on the upper surface of the PCB fixing plate (16), a plurality of probe installation blocks (15) are connected to the panel, the probe installation blocks (15) are connected together through connecting plates (18), probes (13) are vertically arranged on the side walls of the probe installation blocks (15), adjusting screws (12) are erected on the upper surface of the PCB base plate (17), and the adjusting screws (12) are connected with one end of the PCB fixing plate (16).