Liquid crystal screen surface mounting workbench and surface mounting processing method

Abstract

The invention relates to the technical field of liquid crystal display production, in particular to a liquid crystal display surface mounting workbench and a surface mounting processing method.The liquid crystal display surface mounting workbench comprises a surface mounting subsystem and a screening subsystem, the surface mounting subsystem comprises a feeding module, a positioning module, a surface mounting module and a deodorization module, and a liquid crystal display to be mounted is conveyed through the feeding module; the positioning module is used for adjusting and positioning the film pasting position of the liquid crystal screen based on the position of the surface mounting module; the surface mounting module is used for carrying out film pasting operation on the positioned liquid crystal screen, and odor generated by film pasting welding operation is adsorbed through the odor removal module; according to the working table, the position of the surface mounting module serves as an original point, the position of the conveyed liquid crystal screen is adjusted and positioned through the positioning module, liquid crystal screen film pasting is more accurate, the liquid crystal screen subjected to film pasting is detected through the screening subsystem, and the quality of the liquid crystal screen subjected to film pasting is improved. Defective products after film pasting are removed, personal errors are avoided, and the film pasting quality of the liquid crystal screen is improved.

Description

Technical Field

[0001] The invention relates to the technical field of liquid crystal screen production, and in particular to a liquid crystal screen patch workbench and a patch processing method. Background Art

[0002] Liquid crystal is between solid and liquid, and not only has the optical properties of solid crystals, but also has the flow properties of liquid. The LCD screen uses liquid crystal material as the basic component. The liquid crystal material is filled between two parallel plates, and voltage is used to change the arrangement of the molecules inside the liquid crystal material to achieve the purpose of shading and light transmission to display images of varying depths and staggered arrangements. Moreover, as long as a three-primary color filter layer is added between the two flat plates, color images can be displayed.

[0003] In the production process of LCD screens, it is usually necessary to perform patch processing on the LCD screens. The traditional LCD screen patch method uses manual operation. Due to reliance on manual intervention, there are human errors, which leads to unstable quality of LCD screen film. Summary of the invention

[0004] The purpose of the present invention is to provide a liquid crystal screen patch workbench and a patch processing method, aiming to solve the problem that the existing liquid crystal screen adopts manual patch, there are human errors, and the quality of the liquid crystal display film is unstable.

[0005] To achieve the above-mentioned purpose, in a first aspect, the present invention provides a liquid crystal screen patch workbench, comprising a patch subsystem and a screening subsystem, wherein the patch subsystem is connected to the screening subsystem, the patch subsystem comprises a feeding module, a positioning module, a patch module and a deodorization module, and the feeding module is respectively connected to the positioning module, the patch module and the deodorization module;

[0006] The feeding module is used to transport the LCD screen to be mounted for mounting by the mounting module, and transport the mounted LCD screen away for testing;

[0007] The positioning module adjusts and positions the film-sticking position of the LCD screen based on the position of the patch module;

[0008] The patch module is used to perform film sticking operation on the positioned LCD screen;

[0009] The deodorizing module is used to absorb the odor generated by the film welding operation of the patch module;

[0010] The screening subsystem is used to inspect the LCD screens after mounting and screen out defective products for rework.

[0011] Wherein, the positioning module includes a shooting unit, a recognition unit and a positioning unit, and the shooting unit, the recognition unit and the positioning unit are connected in sequence;

[0012] The shooting unit is used to shoot the LCD screen transported by the feeding module to obtain shooting data;

[0013] The recognition unit recognizes the shooting data based on image recognition technology to obtain the LCD patch position;

[0014] The positioning unit analyzes and calculates the distance from the position of the patch module based on the position of the LCD screen, obtains adjustment parameters, and straightens and adjusts the position of the LCD screen film.

[0015] Wherein, the positioning unit includes an analyzing subunit and an adjusting subunit, and the analyzing subunit and the adjusting subunit are connected;

[0016] The analysis subunit analyzes and calculates the distance from the position of the patch module based on the position of the LCD patch, and obtains the adjustment parameter;

[0017] The adjusting subunit straightens and adjusts the liquid crystal screen based on the adjusting parameters to achieve positioning of the liquid crystal screen.

[0018] Wherein, the patch module includes a patch unit and a welding unit, and the patch unit and the welding unit are connected;

[0019] The patch unit is used to perform film sticking operation on the positioned liquid crystal screen;

[0020] The welding unit is used to weld the film to the liquid crystal screen.

[0021] Wherein, the deodorization module comprises an air intake unit and a deodorization unit, and the air intake unit and the deodorization unit are connected;

[0022] The air suction unit is used to absorb welding fumes generated by the welding of the LCD screen and the film;

[0023] The deodorization unit performs adsorption treatment on the absorbed welding fume based on activated carbon purification technology.

[0024] Wherein, the screening subsystem comprises a power-on detection module, a rejection module and a rework module, and the power-on detection module, the rejection module and the rework module are connected in sequence;

[0025] The power-on detection module is used to perform power-on detection on the LCD screen after film welding to screen out defective products;

[0026] The rejection module is used to mark and pick up defective products and reject them;

[0027] The rework module is used to recycle rejected defective products and perform rework operations.

[0028] In a second aspect, the present invention further provides a method for processing a liquid crystal panel patch, which is applied to the liquid crystal panel patch workbench as described in the first aspect above, and is characterized in that it comprises the following steps:

[0029] The feeding module transports the LCD screen to be mounted, and the positioning module adjusts and positions the film-mounting position of the LCD screen based on the position of the mounting module;

[0030] The patch module performs film application on the positioned LCD screen, and the deodorization module absorbs the odor generated by the film application and welding operation;

[0031] The screening subsystem inspects the LCD screens after mounting and selects defective products for rework.

[0032] The present invention provides a liquid crystal screen patch workbench, in which a liquid crystal display screen to be patched is transported through the feeding module, and the positioning module adjusts and positions the film pasting position of the liquid crystal display screen based on the position of the patch module; the patch module performs a film pasting operation on the positioned liquid crystal display screen, and absorbs the peculiar smell generated by the film pasting welding operation through the deodorization module; the screening subsystem detects the liquid crystal display screen after the patch, and screens out defective products for rework. The workbench takes the position of the patch module as the origin, and adjusts and positions the position of the transported liquid crystal display screen through the positioning module, so that the film pasting of the liquid crystal display screen is more accurate, and then the screening subsystem detects the liquid crystal display screen after the film pasting, and removes the defective products after the film pasting. Compared with the traditional manual film pasting method, it effectively avoids human errors, greatly improves the quality of the liquid crystal display film pasting, and solves the problem that the existing liquid crystal display screen adopts manual pasting and has human errors, resulting in unstable quality of the film pasting of the liquid crystal display screen. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0034] Figure 1 The invention discloses a connection diagram of a liquid crystal panel mounting workbench.

[0035] Figure 2 The present invention is a schematic diagram of a positioning module of a liquid crystal screen patch workbench provided by the present invention.

[0036] Figure 3 The present invention is a schematic diagram of a patch module of a liquid crystal screen patch workbench provided by the present invention.

[0037] Figure 4The present invention is a schematic diagram of a deodorization module of a liquid crystal screen patch workbench provided by the present invention.

[0038] Figure 5 The present invention is a schematic diagram of a screening subsystem of a liquid crystal panel patch workbench provided by the present invention.

[0039] Figure 6 The present invention provides a flow chart of a method for processing a liquid crystal panel.

[0040] In the figure: 1- patch subsystem, 2- screening subsystem, 3- feeding module, 4- positioning module, 5- patch module, 6- deodorization module, 7- shooting unit, 8- identification unit, 9- positioning unit, 10- analysis subunit, 11- adjustment subunit, 12- patch unit, 13- welding unit, 14- suction unit, 15- deodorization unit, 16- power-on detection module, 17- rejection module, 18- rework module, 19- calibration unit, 20- rejection unit, 21- recovery unit, 22- processing unit. DETAILED DESCRIPTION

[0041] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0042] First, as Figure 1 As shown, Figure 1 The present invention is a connection diagram of a liquid crystal patch workbench, which includes a patch subsystem 1 and a screening subsystem 2, wherein the patch subsystem 1 is connected to the screening subsystem 2, and the patch subsystem 1 includes a feeding module 3, a positioning module 4, a patch module 5 and a deodorization module 6, wherein the feeding module 3 is respectively connected to the positioning module 4, the patch module 5 and the deodorization module 6;

[0043] The feeding module 3 is used to transport the LCD screen to be mounted for mounting by the mounting module 5, and transport the mounted LCD screen away for testing;

[0044] The positioning module 4 adjusts and positions the film-sticking position of the LCD screen based on the position of the patch module 5;

[0045] The patch module 5 is used to perform film sticking operation on the positioned LCD screen;

[0046] The deodorizing module 6 is used to absorb the odor generated by the film welding operation of the patch module 5;

[0047] The screening subsystem 2 is used to inspect the LCD screens after mounting and screen out defective products for rework.

[0048] In an embodiment of the present invention, the LCD screen to be mounted is transported by the feeding module 3, and the positioning module 4 adjusts and positions the film-pasting position of the LCD screen based on the position of the mounting module 5; the mounting module 5 performs a film-pasting operation on the positioned LCD screen, and absorbs the odor generated by the film-pasting welding operation through the deodorization module 6; the screening subsystem 2 detects the LCD screen after mounting, and screens out defective products for rework. The workbench takes the position of the mounting module 5 as the origin, and adjusts and positions the position of the transported LCD screen through the positioning module 4, so that the film of the LCD screen is more accurately pasted, and then the screening subsystem 2 detects the LCD screen after filming, and removes defective products after filming. Compared with the traditional manual film-pasting method, it effectively avoids human errors, greatly improves the quality of LCD filming, and solves the problem that the existing LCD screen uses manual mounting, there are human errors, and the quality of LCD screen filming is unstable.

[0049] like Figure 2 As shown, Figure 2 The present invention is a schematic diagram of a positioning module 4 of a liquid crystal screen patch workbench, wherein the positioning module 4 comprises a shooting unit 7, an identification unit 8 and a positioning unit 9, wherein the shooting unit 7, the identification unit 8 and the positioning unit 9 are connected in sequence; the positioning unit 9 comprises an analysis subunit 10 and an adjustment subunit 11, wherein the analysis subunit 10 and the adjustment subunit 11 are connected;

[0050] The shooting unit 7 is used to shoot the LCD screen transported by the feeding module 3 to obtain shooting data;

[0051] The recognition unit 8 recognizes the photographed data based on image recognition technology to obtain the LCD patch position;

[0052] The positioning unit 9 analyzes and calculates the distance from the position of the patch module 5 based on the position of the LCD screen patch, obtains adjustment parameters, and straightens and adjusts the position of the LCD screen film;

[0053] The analysis subunit 10 analyzes and calculates the distance from the position of the patch module 5 based on the position of the LCD patch, and obtains the adjustment parameter;

[0054] The adjusting subunit 11 straightens and adjusts the LCD screen based on the adjusting parameters to achieve the positioning of the LCD screen.

[0055] In an embodiment of the present invention, the shooting unit 7 is used to shoot the feeding module 3 transporting the LCD screen to obtain shooting data, and the recognition unit 8 then recognizes the shooting data based on image recognition technology to obtain the LCD screen patch position. The analysis subunit 10 based on the positioning unit 9 analyzes and calculates the distance from the position of the patch module 5 based on the LCD screen patch position to obtain adjustment parameters, and the adjustment subunit 11 then straightens and adjusts the LCD screen based on the adjustment parameters to achieve LCD screen positioning.

[0056] like Figure 3 As shown, Figure 3 The present invention is a schematic diagram of a patch module 5 of a liquid crystal screen patch workbench, wherein the patch module 5 comprises a patch unit 12 and a welding unit 13, and the patch unit 12 and the welding unit 13 are connected;

[0057] The film attaching unit 12 is used to attach a film to the positioned LCD screen;

[0058] The welding unit 13 is used to weld the film to the liquid crystal screen.

[0059] In the embodiment of the present invention, the patch unit 12 is used to perform a film-sticking operation on the positioned liquid crystal screen; and the welding unit 13 is used to perform a welding operation between the film and the liquid crystal screen.

[0060] like Figure 4 As shown, Figure 4 The present invention is a schematic diagram of a deodorization module 6 of a liquid crystal screen patch workbench, wherein the deodorization module 6 comprises an air intake unit 14 and a deodorization unit 15, and the air intake unit 14 and the deodorization unit 15 are connected;

[0061] The air suction unit 14 is used to absorb welding fumes generated by the welding of the LCD screen and the film;

[0062] The deodorization unit 15 performs adsorption treatment on the absorbed welding fume based on activated carbon purification technology.

[0063] In the embodiment of the present invention, the air intake unit 14 absorbs the welding fume generated by the welding of the LCD screen and the film; the deodorization unit 15 then adsorbs the absorbed welding fume based on the activated carbon purification technology, thereby completing the welding fume treatment and preventing the fume from drifting in the workshop and endangering the health of the workers.

[0064] like Figure 5 As shown, Figure 5 The present invention is a schematic diagram of a screening subsystem 2 of a liquid crystal panel patch workbench, wherein the screening subsystem 2 comprises a power-on detection module 16, a rejection module 17 and a rework module 18, wherein the power-on detection module 16, the rejection module 17 and the rework module 18 are connected in sequence;

[0065] The power-on detection module 16 is used to perform power-on detection on the LCD screen after film welding to screen out defective products;

[0066] The rejection module 17 is used to mark and pick up defective products and reject them;

[0067] The rework module 18 is used to recycle the rejected defective products and perform rework operations.

[0068] In an embodiment of the present invention, the power-on detection module 16 performs power-on detection on the LCD screen after film welding to screen out defective products; the rejection module 17 is used to calibrate and pick up defective products and reject them; the rework module 18 then recycles the rejected defective products and performs rework operations.

[0069] Further, the rejection module 17 includes a calibration unit 19 and a rejection unit 20, and the calibration unit 19 and the rejection unit 20 are connected;

[0070] The calibration unit 19 is used to calibrate the screened defective products to obtain defective marks;

[0071] The rejection unit 20 picks up defective products based on the defective indication and rejects the defective products.

[0072] In the embodiment of the present invention, the calibration unit 19 calibrates the screened defective products to obtain defective marks; the rejection unit 20 then picks up the defective products based on the defective marks and rejects the defective products.

[0073] Further, the rework module 18 includes a recovery unit 21 and a processing unit 22, and the recovery unit 21 is connected to the processing unit 22;

[0074] The recycling unit 21 is used to recycle the defective products rejected by the rejecting unit 20;

[0075] The processing unit 22 is used to rework the recovered defective products.

[0076] In the embodiment of the present invention, the recycling unit 21 recycles the defective products rejected by the rejecting unit 20, and the processing unit 22 performs rework operations on the recycled defective products.

[0077] Second, see Figure 6 , Figure 6 The present invention is a flow chart of a method for processing a liquid crystal patch. The present invention also provides a method for processing a liquid crystal patch, which is applied to the liquid crystal patch workbench as described in the first aspect above, and is characterized in that it comprises the following steps:

[0078] S1: The feeding module 3 transports the LCD screen to be mounted, and the positioning module 4 adjusts and positions the film-mounting position of the LCD screen based on the position of the mounting module 5;

[0079] In an embodiment of the present invention, the liquid crystal display screen to be mounted is transported by the feeding module 3, and then the shooting unit 7 shoots the liquid crystal screen transported by the feeding module 3 to obtain shooting data, and the recognition unit 8 then recognizes the shooting data based on image recognition technology to obtain the mounting position of the liquid crystal screen, and the analysis subunit 10 based on the positioning unit 9 analyzes and calculates the distance from the position of the mounting module 5 based on the LCD screen mounting position to obtain adjustment parameters, and the adjustment subunit 11 then straightens and adjusts the LCD screen based on the adjustment parameters to achieve LCD positioning.

[0080] S2 patch module 5 performs film pasting operation on the positioned LCD screen, and uses deodorization module 6 to absorb the odor generated by the film pasting welding operation;

[0081] In the embodiment of the present invention, the patch unit 12 is used to perform a film-sticking operation on the positioned LCD screen, and the welding unit 13 is used to weld the film to the LCD screen. During the film-sticking operation, the suction unit 14 absorbs the welding fume generated by the welding of the LCD screen and the film; the deodorization unit 15 then adsorbs the absorbed welding fume based on the activated carbon purification technology, thereby completing the welding fume treatment and preventing the fume from drifting in the workshop and endangering the health of the workers.

[0082] The S3 screening subsystem 2 inspects the LCD screens after mounting and selects defective products for rework.

[0083] In the embodiment of the present invention, the power-on detection module 16 performs power-on detection on the LCD screen after film welding to screen out defective products; the calibration unit 19 of the rejection module 17 calibrates the screened defective products to obtain a defective mark; the rejection unit 20 then picks up the defective products based on the defective mark and rejects the defective products. Finally, the defective products rejected by the rejection unit 20 are recycled by the recycling unit 21, and then reworked by the processing unit 22.

[0084] The above disclosure is only a preferred embodiment of a LCD patch workbench and a patch processing method of the present invention. Of course, this cannot be used to limit the scope of rights of the present invention. Ordinary technicians in this field can understand that all or part of the processes of the above embodiments and equivalent changes made according to the claims of the present invention still fall within the scope of the invention.

Claims

1. A LCD screen patch workbench and a patch workbench, characterized in that: It includes a patch subsystem and a screening subsystem, the patch subsystem is connected to the screening subsystem, the patch subsystem includes a feeding module, a positioning module, a patch module and a deodorizing module, the feeding module is respectively connected to the positioning module, the patch module and the deodorizing module; The feeding module is used to transport the LCD screen to be mounted for mounting by the mounting module, and transport the mounted LCD screen away for testing; The positioning module adjusts and positions the film-sticking position of the LCD screen based on the position of the patch module; The patch module is used to perform film sticking operation on the positioned LCD screen; The deodorizing module is used to absorb the odor generated by the film welding operation of the patch module; The screening subsystem is used to inspect the LCD screens after mounting and screen out defective products for rework.

2. The LCD patch workbench according to claim 1, characterized in that: The positioning module includes a shooting unit, a recognition unit and a positioning unit, and the shooting unit, the recognition unit and the positioning unit are connected in sequence; The shooting unit is used to shoot the LCD screen transported by the feeding module to obtain shooting data; The recognition unit recognizes the shooting data based on image recognition technology to obtain the LCD patch position; The positioning unit analyzes and calculates the distance from the position of the patch module based on the position of the LCD screen, obtains adjustment parameters, and straightens and adjusts the position of the LCD screen film.

3. The LCD patch workbench as claimed in claim 2, characterized in that: The positioning unit includes an analysis subunit and an adjustment subunit, and the analysis subunit is connected to the adjustment subunit; The analysis subunit analyzes and calculates the distance from the position of the patch module based on the position of the LCD patch, and obtains the adjustment parameter; The adjusting subunit straightens and adjusts the liquid crystal screen based on the adjusting parameters to achieve positioning of the liquid crystal screen.

4. The LCD patch workbench according to claim 1, characterized in that: The patch module includes a patch unit and a welding unit, and the patch unit is connected to the welding unit; The patch unit is used to perform film sticking operation on the positioned liquid crystal screen; The welding unit is used to weld the film to the liquid crystal screen.

5. The LCD patch workbench according to claim 1, characterized in that: The deodorization module includes an air intake unit and a deodorization unit, and the air intake unit is connected to the deodorization unit; The air suction unit is used to absorb welding fumes generated by the welding of the LCD screen and the film; The deodorization unit performs adsorption treatment on the absorbed welding fume based on activated carbon purification technology.

6. The LCD patch workbench according to claim 1, characterized in that: The screening subsystem comprises a power-on detection module, a rejection module and a rework module, wherein the power-on detection module, the rejection module and the rework module are connected in sequence; The power-on detection module is used to perform power-on detection on the LCD screen after film welding to screen out defective products; The rejection module is used to mark and pick up defective products and reject them; The rework module is used to recycle rejected defective products and perform rework operations.

7. A method for processing a liquid crystal display patch, applied to a liquid crystal display patch workbench as claimed in any one of claims 1 to 6, characterized in that: The following steps are involved: The feeding module transports the LCD screen to be mounted, and the positioning module adjusts and positions the film-mounting position of the LCD screen based on the position of the mounting module; The patch module performs film application on the positioned LCD screen, and the deodorization module absorbs the odor generated by the film application and welding operation; The screening subsystem inspects the LCD screens after mounting and selects defective products for rework.

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