Automatic assembling equipment for backlight source of display screen

Abstract

The utility model provides automatic assembling equipment for a display screen backlight source, which relates to the technical field of backlight source assembling and comprises an assembling mechanism and a cleaning and static electricity removing mechanism. The cleaning and static electricity removing mechanism comprises a supporting column, a negative pressure fan and an ion wind generator, a sliding groove is formed in the supporting column, a second sliding block is slidably connected into the sliding groove, a one-way lead screw is inserted into the supporting column and penetrates through the second sliding block, and a negative pressure dust suction hood is fixedly connected to one end of the second sliding block. According to the utility model, the cleaning and static electricity removing device is arranged, the second motor is used for driving the one-way lead screw to rotate, the height of the air outlet is adjusted, it is ensured that ionic wind completely covers the surface of the assembly, and the static electricity removing efficiency is improved; the negative pressure dust hood absorbs dust blown away by ionic wind on the surface of the assembly in real time according to the negative pressure principle, dust diffusion and secondary attachment are avoided, and the cleanliness of the assembly is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to backlight source assembly technical field especially relates to a display screen backlight source automatic assembly equipment. BACKGROUND

[0002] The display screen backlight source is the core component of liquid crystal display, provides uniform light for liquid crystal panel to realize image display. The display screen backlight source is composed of multiple parts, during assembly, first, the backlight module frame is placed on the turntable mold by manual, then the module is cleaned by machine automatically to remove dust and static electricity, then the lower diffusion sheet, two layers of light enhancement sheet and light shielding sheet and other films are pasted in turn, finally, after pressing, the finished product is automatically taken out and sent to the conveying belt.

[0003] In the prior art, the backlight source assembly is extremely sensitive to static electricity and dust, the existing equipment mostly only uses single ion fan to remove static electricity, the ion wind coverage range is limited, the static electricity in the edge, corner and other areas of the assembly cannot be completely eliminated, and the dust in the air is easily adsorbed; at the same time, there is lack of effective dust collection structure, the dust blown by the ion wind is easily attached to the surface of the assembly again, resulting in defects such as bubbles and stains after pasting the film, which seriously affects the light transmission uniformity of the backlight source and reduces the final display effect of the display screen. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the problems in the prior art that the backlight source assembly is extremely sensitive to static electricity and dust, the existing equipment mostly only uses single ion fan to remove static electricity, the ion wind coverage range is limited, the static electricity in the edge, corner and other areas of the assembly cannot be completely eliminated, and the dust in the air is easily adsorbed; at the same time, there is lack of effective dust collection structure, the dust blown by the ion wind is easily attached to the surface of the assembly again, resulting in defects such as bubbles and stains after pasting the film, which seriously affects the light transmission uniformity of the backlight source and reduces the final display effect of the display screen, and proposes a display screen backlight source automatic assembly equipment.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: including: assembly mechanism and clean static electricity removing mechanism, the clean static electricity removing mechanism includes support, negative pressure fan and ion wind generator, the inside of the support is provided with a sliding groove, the inside of the sliding groove is connected with the second sliding block in sliding mode, the inside of the support is inserted with the one-way screw rod, the one-way screw rod penetrates the second sliding block, one end of the second sliding block is fixedly connected with the negative pressure dust collection cover, the suction port of the negative pressure fan is fixedly connected with the air pipe, the air pipe is fixedly connected with the negative pressure dust collection cover, the connecting end of the ion wind generator is electrically connected with the power line, one end of the power line is connected with the ion wind nozzle, the ion wind nozzle is inserted in the inside of the negative pressure dust collection cover.

[0006] Preferably, the assembling mechanism comprises an assembling table, a first motor is fixedly installed at the bottom of the assembling table, the output end of the first motor penetrates through the assembling table, and a rotating disc is connected to the output end of the first motor and arranged at the top of the assembling table.

[0007] Preferably, a three-axis adjusting frame is arranged at the top of the assembling table, a mounting base is connected to the connecting end of the three-axis adjusting frame, and a feeding frame and a winding frame are symmetrically arranged at the bottom of the mounting base.

[0008] Preferably, a first sliding block is slidably connected to the inside of the mounting base, and a bidirectional screw rod is inserted into the inside of the mounting base and penetrates through the first sliding block.

[0009] Preferably, a connecting frame is fixedly installed at the bottom of the first sliding block, and a film tearing roller is arranged at the bottom of the connecting frame.

[0010] Preferably, a limiting fixed head is threadedly connected to the shaft end of the feeding frame, a first motor is also fixedly installed at one end of the mounting base, and the first motor is fixedly connected to one end of the bidirectional screw rod.

[0011] Preferably, the supporting column is fixedly installed at one side of the assembling table, and the negative pressure fan and the ion wind generator are both installed at the other side of the assembling table.

[0012] Preferably, a line frame is fixedly installed at one side of the assembling table, and the power line and the air pipe are both arranged in the inside of the line frame.

[0013] Preferably, a second motor is fixedly installed at the top of the supporting column, and the output end of the second motor is fixedly connected to the top end of the unidirectional screw rod.

[0014] Compared with the prior art, the utility model has the advantages and positive effects that:

[0015] 1. In the utility model, the second motor drives the unidirectional screw rod to rotate, the height of the air outlet is adjusted, the ion wind fully covers the surface of the component, the efficiency of static electricity elimination is improved, the negative pressure dust cover uses the negative pressure principle to adsorb the dust blown away by the ion wind on the surface of the component in real time, the dust diffusion and secondary adhesion are avoided, and the component cleanliness is improved.

[0016] 2. In the utility model, a plurality of adaptive feeding units are arranged, the film roll is sleeved on the connecting shaft of the feeding frame and fixed by the limiting fixed head, the other end of the film is connected to the winding frame, the positions and heights of different film rolls are adjusted by the three-axis adjusting frame during the assembly of the patch, and then the film is unfolded by the film tearing roller and coated, the design integrates the assembly processes of multiple stations, reduces the equipment floor area and the frequency of station switching, and improves the assembly efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 A structure schematic view of the display screen backlight source automatic assembling equipment is provided for the utility model;

[0018] Figure 2 A rear view of the display screen backlight source automatic assembling equipment is provided for the utility model;

[0019] Figure 3 A structure schematic view of the assembling mechanism in the display screen backlight source automatic assembling equipment is provided for the utility model;

[0020] Figure 4 A structure split schematic view of the assembling mechanism in the display screen backlight source automatic assembling equipment is provided for the utility model;

[0021] Figure 5 A display screen backlight source automatic assembling equipment is provided for the utility model Figure 4 An enlarged view of A in the display screen backlight source automatic assembling equipment is provided for the utility model;

[0022] Figure 6 A structure schematic view of the cleaning and static electricity removing mechanism in the display screen backlight source automatic assembling equipment is provided for the utility model.

[0023] Legend: 1, assembling mechanism; 101, assembling table; 102, first motor; 103, rotating disc; 104, three-axis adjusting frame; 105, mounting base; 106, material feeding frame; 107, material winding frame; 108, first sliding block; 109, bidirectional screw rod; 110, connecting frame; 111, film tearing roller; 112, limiting fixing head; 2, cleaning and static electricity removing mechanism; 201, support column; 202, sliding groove; 203, second sliding block; 204, one-way screw rod; 205, negative pressure dust collection cover; 206, negative pressure fan; 207, ion wind generator; 208, power line; 209, air pipe; 210, ion wind nozzle; 211, circuit frame; 212, second motor. DETAILED DESCRIPTION

[0024] In order to enable the above-mentioned purpose, features and advantages of the utility model to be more clearly understood, the utility model will be further described below in conjunction with the drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0025] In the following description, many specific details are set forth in order to provide a thorough understanding of the utility model, however, the utility model can also be implemented in other ways different from the description herein, therefore, the utility model is not limited to the specific embodiments disclosed in the following description.

[0026] Embodiment 1: as Figures 1-6The utility model provides a kind of display screen backlight automatic assembly equipment, comprising: assembly mechanism 1 and clean static electricity removing mechanism 2;Clean static electricity removing mechanism 2 includes support 201, negative pressure fan 206 and ion wind generator 207, the inside of support 201 is opened with sliding slot 202, the inside sliding connection of sliding slot 202 has second sliding block 203, unidirectional screw rod 204 is inserted in the inside of support 201, unidirectional screw rod 204 penetrates second sliding block 203, one end of second sliding block 203 is fixedly connected with negative pressure dust cover 205, the suction port of negative pressure fan 206 is fixedly communicated with air pipe 209, air pipe 209 is fixedly communicated with negative pressure dust cover 205, the connecting end of ion wind generator 207 is electrically connected with power cord 208, one end of power cord 208 is connected with ion wind nozzle 210, ion wind nozzle 210 is inserted in the inside of negative pressure dust cover 205.

[0027] Its whole embodiment 1 reaches the effect for, by setting backlight module outer frame in the top of carousel 103, using second motor 212 to drive unidirectional screw rod 204 and second sliding block 203 screw connection, make second sliding block 203 slide in the inside of sliding slot 202, adjust the height of negative pressure dust cover 205, ion wind nozzle 210 is inserted in the inside of negative pressure dust cover 205, using power cord 208 to connect ion wind generator 207 and ion wind nozzle 210, by corona discharge, provide the gas group with positive and negative ions for ion wind nozzle 210, for neutralizing the static electricity on the surface of backlight source component, simultaneously, using air pipe 209 to connect negative pressure fan 206 and negative pressure dust cover 205, while ion wind nozzle 210 blows ion wind and neutralizes static electricity, negative pressure dust cover 205 uses negative pressure principle to adsorb the dust that component surface is blown by ion wind in real time, avoid dust diffusion and secondary adhesion, improve component cleanliness.

[0028] Embodiment 2: as Figures 1-6As shown, the assembly mechanism 1 comprises an assembly table 101, a first motor 102 is fixedly installed at the bottom of the assembly table 101, the output end of the first motor 102 penetrates through the assembly table 101, a rotating disc 103 is connected to the output end of the first motor 102, and the rotating disc 103 is arranged at the top of the assembly table 101; a three-axis adjusting frame 104 is arranged at the top of the assembly table 101, a mounting base 105 is connected to the connecting end of the three-axis adjusting frame 104, a feeding rack 106 and a winding rack 107 are symmetrically installed at the bottom of the mounting base 105; a first sliding block 108 is slidably connected in the mounting base 105, a bidirectional screw rod 109 is inserted in the mounting base 105, and the bidirectional screw rod 109 penetrates through the first sliding block 108; a connecting frame 110 is fixedly installed at the bottom of the first sliding block 108, and a film tearing roller 111 is arranged at the bottom of the connecting frame 110; a limiting fixed head 112 is threadedly connected to the shaft end of the feeding rack 106, a first motor 102 is also fixedly installed at one end of the mounting base 105, and the first motor 102 is fixedly connected to one end of the bidirectional screw rod 109; a support column 201 is fixedly installed at one side of the assembly table 101, a negative pressure fan 206 and an ion wind generator 207 are both installed at the other side of the assembly table 101; a line rack 211 is fixedly installed at one side of the assembly table 101, a power line 208 and an air pipe 209 are both arranged in the line rack 211; a second motor 212 is fixedly installed at the top of the support column 201, and the output end of the second motor 212 is fixedly connected to the top end of the unidirectional screw rod 204.

[0029] The effect achieved by the whole embodiment 2 is that, by arranging the backlight module frame at the top of the rotating disc 103, the surface of the backlight module frame is treated by the cleaning and static electricity removing mechanism 2, while the ion wind is blown by the ion wind nozzle 210 to neutralize static electricity, the dust scattered by the ion wind on the surface of the assembly is adsorbed in real time by the negative pressure dust suction cover 205 by using the negative pressure principle, so as to avoid dust diffusion and secondary adhesion, and improve the cleanliness of the assembly. After the cleaning treatment is completed, the first motor 102 is started to drive the rotating disc 103 to rotate, and the rotating disc 103 is arranged at the bottom of the mounting base 105; before the patch film is attached, different film rolls are installed on the connecting shaft of the feeding rack 106, and are fixed by using the limiting fixed head 112, then the film roll is unwound, one end of the film roll is arranged on the outer surface wall of the winding rack 107, the film tearing roller 111 is driven to rotate by the motor, so as to drive the winding rack 107 to wind, the film roll is unwound, and then the height and position of the film roll are adjusted in sequence by using the three-axis adjusting frame 104 according to the film attaching order of different film rolls, so as to perform assembly and patch treatment.

[0030] Working principle: when the device is used, the backlight module frame is arranged on the top of the rotating disc 103, the second motor 212 drives the one-way screw rod 204 and the second sliding block 203 to be threadedly connected, the second sliding block 203 slides in the inside of the sliding groove 202, the height of the negative pressure dust cover 205 is adjusted, the ion air nozzle 210 is inserted in the inside of the negative pressure dust cover 205, the power line 208 is used for connecting the ion air generator 207 and the ion air nozzle 210, the gas mass with positive and negative ions is provided for the ion air nozzle 210 through corona discharge, the static electricity on the surface of the backlight assembly is neutralized, meanwhile, the air pipe 209 is used for connecting the negative pressure fan 206 and the negative pressure dust cover 205, when the ion air nozzle 210 blows the ion air to neutralize the static electricity, the negative pressure dust cover 205 uses the negative pressure principle to adsorb the dust scattered by the ion air on the surface of the assembly in real time, the dust diffusion and secondary adhesion are avoided, and the assembly cleanliness is improved.

[0031] After the cleaning of the backlight module frame is completed, the first motor 102 drives the rotating disc 103 to rotate, and the rotating disc 103 is arranged at the bottom of the mounting base 105; before the patch film is attached, different film rolls are arranged on the connecting shafts of the material placing racks 106, are fixed by the limiting fixing heads 112, are then unfolded, and are arranged at the outer walls of the material winding racks 107; the film tearing roller 111 is driven to rotate by the motor, so that the material winding rack 107 is wound, the film roll is unfolded, the height and position of the film roll are adjusted according to the film attaching sequence of different film rolls in sequence by the three-axis adjusting frame 104, and then the patch assembly process is carried out.

[0032] The wiring diagram of the first motor 102, the negative pressure fan 206, the ion air generator 207 and the second motor 212 in the utility model belongs to the common knowledge in the field, the working principle thereof is a known technology, and the model thereof is selected according to actual use; therefore, the control mode and wiring arrangement of the first motor 102, the negative pressure fan 206, the ion air generator 207 and the second motor 212 will not be explained in detail.

[0033] The above is only a preferred embodiment of the utility model, and does not limit the utility model in other forms, any skilled person in the art can change or modify the above disclosed technical content into equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification made according to the technical essence of the utility model to the above embodiment still belongs to the protection scope of the utility model technical scheme.

Claims

1. An apparatus for automatically assembling a backlight for a display screen, comprising: Include: Assembly mechanism (1) and clean static electricity removing mechanism (2); The cleaning static electricity removing mechanism (2) includes a support (201), a negative pressure fan (206) and an ion wind generator (207), a sliding groove (202) is formed in the inside of the support (201), a second sliding block (203) is slidably connected in the inside of the sliding groove (202), a one-way lead screw (204) is inserted into the inside of the support (201), the one-way lead screw (204) penetrates the second sliding block (203), a negative pressure dust cover (205) is fixedly connected to one end of the second sliding block (203), a wind pipe (209) is fixedly communicated with the air suction port of the negative pressure fan (206), the wind pipe (209) is fixedly communicated with the negative pressure dust cover (205), a power line (208) is electrically connected to the connecting end of the ion wind generator (207), an ion wind nozzle (210) is connected to one end of the power line (208), and the ion wind nozzle (210) is inserted into the inside of the negative pressure dust cover (205).

2. The apparatus of claim 1, wherein: The assembly mechanism (1) includes an assembly table (101), a first motor (102) is fixedly installed at the bottom of the assembly table (101), the output end of the first motor (102) penetrates the assembly table (101), and a rotating disc (103) is connected to the output end of the first motor (102).

3. The apparatus of claim 2, wherein: A three-axis adjusting frame (104) is arranged at the top of the assembly table (101), a mounting base (105) is connected to the connecting end of the three-axis adjusting frame (104), and a feeding rack (106) and a winding rack (107) are symmetrically installed at the bottom of the mounting base (105).

4. The apparatus of claim 3, wherein: A first sliding block (108) is slidably connected in the inside of the mounting base (105), and a bidirectional lead screw (109) is inserted into the inside of the mounting base (105).

5. An apparatus for automatically assembling a back light for a display screen according to claim 4, wherein: A connecting frame (110) is fixedly installed at the bottom of the first sliding block (108), and a film tearing roller (111) is arranged at the bottom of the connecting frame (110).

6. The apparatus of claim 4, wherein: A limit fixing head (112) is threadedly connected to the shaft end of the feeding rack (106), and a first motor (102) is also fixedly installed at one end of the mounting base (105), and the first motor (102) is fixedly connected to one end of the bidirectional lead screw (109).

7. The apparatus of claim 2, wherein: The support (201) is fixedly installed on one side of the assembly table (101), and the negative pressure fan (206) and the ion wind generator (207) are both installed on the other side of the assembly table (101).

8. The apparatus of claim 2, wherein: A circuit frame (211) is fixedly installed on one side of the assembly table (101), and the power line (208) and the wind pipe (209) are both arranged in the inside of the circuit frame (211).

9. The apparatus of claim 1, wherein: A second motor (212) is fixedly installed at the top of the support (201), and the output end of the second motor (212) is fixedly connected to the top end of the one-way lead screw (204).

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