A mobile phone screen brightness detection device

Abstract

The application discloses a mobile phone screen brightness detection equipment, which comprises a feeding mechanical arm, a pretreatment conveying line, a defective product double-channel shunt conveying line, a qualified product double-channel shunt conveying line, a linear module offline sliding table, a sorting mechanical arm and a detection tool, wherein the feeding mechanical arm is connected with the pretreatment conveying line, the bottom end of the pretreatment conveying line is connected with a plurality of defective product double-channel shunt conveying lines, and the defective product double-channel shunt conveying lines are arranged in parallel and connected with the qualified product double-channel shunt conveying lines. Through the above mode, the mobile phone screen brightness detection equipment can divide the incoming mobile phone screen assembly into double channels at one time, and then divide the double channels into three sections at one time, so that six groups of channels are formed to match twenty-four detection holes, thereby achieving exponential improvement of detection efficiency in space scale compared with manual detection means.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of mobile phone detection equipment, and in particular to a mobile phone screen brightness detection equipment. BACKGROUND

[0002] Whether the brightness display performance of the mobile phone screen assembly meets the parameter requirements needs to be sampled and analyzed by a professional brightness detector, and the entire detection process takes a long time. In the process of implementing brightness detection on the mobile phone screen assembly by the traditional manual detection line, the number of screen assemblies that can be controlled by the workers in batch loading operation on the detector is limited, and the manual waiting process in the detection process is long, thereby leading to low detection efficiency. SUMMARY

[0003] The technical problem solved by the present application is to provide a mobile phone screen brightness detection equipment that can first divide the incoming mobile phone screen assembly into two channels, and then perform three-stage secondary division based on the two channels, and actually construct six channels to match twenty-four detection material holes, thereby achieving exponential improvement in detection efficiency in terms of space scale compared with manual detection means.

[0004] To solve the above technical problems, one technical solution adopted by the present application is to provide a mobile phone screen brightness detection equipment, which comprises a feeding manipulator, a pretreatment conveying line, a defective product double-channel shunt conveying line, a qualified product double-channel shunt conveying line, a linear module offline sliding table, a sorting manipulator and a detection tool arranged on a machine table. The feeding manipulator is connected to the pretreatment conveying line. The pretreatment conveying line is connected to a plurality of defective product double-channel shunt conveying lines in a head-to-tail manner. Each defective product double-channel shunt conveying line is correspondingly arranged with a qualified product double-channel shunt conveying line in parallel and head-to-tail. The linear module offline sliding table is arranged above each defective product double-channel shunt conveying line. Each linear module offline sliding table is connected to the detection tool through the sorting manipulator. The sorting manipulator is connected to the qualified product double-channel shunt conveying line and the defective product double-channel shunt conveying line.

[0005] In a preferred embodiment of the present application, the pretreatment conveying line is sequentially arranged with a coarse positioning platform, a cooling air knife and a code scanning platform along the line. The coarse positioning platform is arranged on a hollow rotating platform. A y-axis servo sliding table is arranged below the hollow rotating platform. The y-axis servo sliding table is integrated on an x-axis servo sliding table. A coarse positioning visual camera is arranged above the coarse positioning platform. The coarse positioning visual camera is fixed on a gantry. A code reader is arranged on the code scanning platform.

[0006] In a preferred embodiment of the present application, a movable brightness detector is arranged above the detection tool. The movable brightness detector is arranged on a suspension bracket. The suspension bracket is arranged on a horizontal displacement linear module.

[0007] In a preferred embodiment of the present application, a conveying linear module is arranged between the coarse positioning platform, the cooling air knife and the code scanning platform, a negative pressure suction disc and a rotatable, liftable material taking plate are installed on the conveying linear module, the feeding manipulator and the sorting manipulator, a pre-inspection fine positioning platform is arranged in the stroke range of the sorting manipulator, a window is arranged on the pre-inspection fine positioning platform, and a fine visual camera is matched below the window.

[0008] The mobile phone screen brightness detection device provided by the application can divide incoming mobile phone screen assemblies into two channels at one time, perform three-stage secondary division based on the two channels, actually construct six channels to match twenty-four detection holes, and thus the detection efficiency is exponentially improved in space scale compared with manual detection. BRIEF DESCRIPTION OF DRAWINGS

[0009] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative effort based on these drawings.

[0010] Figure 1 Fig. 1 is a whole structure diagram of a preferred embodiment of the mobile phone screen brightness detection device of the present application;

[0011] Figure 2 Fig. 2 is a local enlarged diagram of a secondary division structure of the mobile phone screen brightness detection device of the present application;

[0012] Figure 3 Fig. 3 is a manipulator structure diagram of the mobile phone screen brightness detection device of the present application;

[0013] Figure 4 Fig. 4 is a detection tool structure diagram of the mobile phone screen brightness detection device of the present application;

[0014] Figure 5 Fig. 5 is a pretreatment work station structure diagram of the mobile phone screen brightness detection device of the present application;

[0015] Figure 6 Fig. 6 is a coarse positioning platform structure diagram of the mobile phone screen brightness detection device of the present application;

[0016] Figure 7 Fig. 7 is an air knife structure diagram of the mobile phone screen brightness detection device of the present application;

[0017] Figure 8 Fig. 8 is a code scanning platform structure diagram of the mobile phone screen brightness detection device of the present application. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present application will be clearly and completely described below. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present application.

[0019] As shown in the figure, the embodiments of the present application include: Figures 1-8 A mobile phone screen brightness detection device, comprising a feeding manipulator 2, a pretreatment conveying line 3, a defective product double-channel shunt conveying line 4, a qualified product double-channel shunt conveying line 5, a linear module offline sliding table 6, a sorting manipulator 7, and a detection tool 8, wherein the feeding manipulator 2 is connected to the pretreatment conveying line 3, the pretreatment conveying line 3 is connected to a plurality of defective product double-channel shunt conveying lines 4 at the bottom, each defective product double-channel shunt conveying line 4 is correspondingly arranged with a qualified product double-channel shunt conveying line 5 parallel to each other and connected at the ends, and each defective product double-channel shunt conveying line 4 is horizontally spanned with a linear module offline sliding table 6, each linear module offline sliding table 6 is connected to the detection tool 8 through the sorting manipulator 7, and the sorting manipulator 7 is matched with the qualified product double-channel shunt conveying line 5 and the defective product double-channel shunt conveying line 4.

[0020] The pretreatment conveying line 3 is sequentially arranged with a coarse positioning platform 31, a cooling air knife 32, and a code scanning platform 33 along the line, the coarse positioning platform 31 is arranged on a hollow rotating platform 311, a y-axis servo sliding table 312 is installed below the hollow rotating platform 311, the y-axis servo sliding table 312 is integrated on an x-axis servo sliding table 313 at the lower part, a coarse positioning visual camera 314 is matched above the coarse positioning platform 31, and the coarse positioning visual camera 314 is fixed on a gantry 315; a code reader 331 is arranged on the code scanning platform 33.

[0021] Further, a movable brightness detector 81 is suspended above the detection tool 8, the movable brightness detector 81 is installed on a suspension bracket 82, and the suspension bracket 82 is installed on a horizontal displacement linear module 83.

[0022] Further, a carrying linear module 333 is arranged between the coarse positioning platform 31, the cooling air knife 32, and the code scanning platform 33, a negative pressure suction disc 334 and a rotatable and liftable material taking plate 335 are installed on the carrying linear module 333, the feeding manipulator 2, and the sorting manipulator 7, a pre-detection fine positioning platform is arranged within the stroke range of the sorting manipulator 7, a window is arranged on the pre-detection fine positioning platform, and a fine positioning visual camera is matched below the window.

[0023] Further, a carrying linear module 333 is arranged between the coarse positioning platform 31, the cooling air knife 32, and the code scanning platform 33, a negative pressure suction disc 334 and a rotatable and liftable material taking plate 335 are installed on the carrying linear module 333, the feeding manipulator 2, and the sorting manipulator 7, a pre-detection fine positioning platform is arranged within the stroke range of the sorting manipulator 7, a window is arranged on the pre-detection fine positioning platform, and a fine positioning visual camera is matched below the window.

[0024] The principle of operation of the device is introduced as follows:

[0025] The function realized by the device is to replace manual work to complete the mobile phone screen lighting test detection process.

[0026] Mainly test the performance indicators such as screen color and brightness after the mobile phone screen is lit.

[0027] The flow direction is from left to right. The starting part includes mechanical hand feeding---camera shooting, while the feeding mechanical hand 2 is controlled by the encoder to complete online grabbing. The carrying linear module 333 sucks and grabs the product from the pretreatment conveying line 3. The carrying linear module 333 grabs the material while the pretreatment conveying line 3 moves, grabs one mobile phone screen assembly at a time, and continuously grabs two, and places them on the coarse positioning platform 31.

[0028] The coarse positioning platform 31 calibrates the relative position of the mobile phone screen assembly. The coarse positioning platform 31 has a camera on it. The camera collects the image of the material, and the background program calculates the deviation, and then adjusts the x direction, y direction and θ orientation to the target position. After positioning and calibration are completed, the carrying linear module 333 grabs it.

[0029] During the process of carrying the mobile phone screen assembly to the next station, it passes through the air knife, which can cool down the mobile phone screen assembly and remove dust.

[0030] Then the material is carried to the code scanning platform 33, which is equipped with a code reader 331 at the bottom. The mobile phone screen is placed with the back facing down, and the code reader 331 collects the two-dimensional code information on the back of the mobile phone screen.

[0031] The pretreated product is grabbed by the sorting mechanical hand 7 when it flows into the defective product conveying line. Then the sorting mechanical hand 7 carries the mobile phone screen assembly to the linear module offline sliding table 6, and moves two mobile phone screen assemblies to the fine positioning platform.

[0032] The fine positioning platform has a camera at the bottom, which takes a photo of the product again to calibrate the positioning data. The fine positioning operation is completed before the product is placed in the tooling.

[0033] After fine positioning is completed, the mechanical hand places the mobile phone screen into the tooling fixture.

[0034] The fixture will power on the mobile phone screen to light up the screen.

[0035] There is a linear module next to it, which moves the brightness detector 81 above the fixture, facing the screen to detect the brightness. According to the quality standard requirements, it judges OK or NG.

[0036] The brightness detection takes a long time, about 60-80s. Multiple fixtures are designed to be standby for detection. Among them, all products to be detected are shown by three detection workstations to complete the throughput in the 60-80s period, each detection workstation is designed as a double-layer structure, each layer is equipped with four material holes and four groups of brightness detectors 81, and non-stop detection can be realized.

[0037] The OK product screen qualified in detection is carried by a mechanical hand to an OK product conveying line, a material receiving position of the OK product conveying line can be provided with a vacuum suction cup negative pressure turnover device, and the mobile phone screen can be turned over and placed flat according to the process requirements.

[0038] The screen unqualified in detection is carried by a mechanical hand to an NG product conveying line.

[0039] In summary, the present application provides a mobile phone screen brightness detection equipment, which can first divide the incoming mobile phone screen assembly into two channels, and then perform three-stage secondary division based on the two channels, and actually construct six channels to match twenty-four detection material holes, so that the detection efficiency is exponentially improved in space scale compared with manual detection means.

[0040] The above is only an embodiment of the present application, and does not limit the patent scope of the present application, and any equivalent structure or equivalent process transformation based on the content of the present application specification, or direct or indirect application in other related technical fields, are also included in the patent protection scope of the present application.

Claims

1. A mobile phone screen brightness detection device, characterized in that, The system includes a feeding robot mounted on the machine platform, a pre-processing conveyor line, a dual-channel diversion conveyor line for defective products, a dual-channel diversion conveyor line for qualified products, a linear module offline slide, a sorting robot, and inspection fixtures. The feeding robot connects to the pre-processing conveyor line. The pre-processing conveyor line connects end to end to several dual-channel diversion conveyor lines for defective products. Each dual-channel diversion conveyor line for defective products is accompanied by a parallel dual-channel diversion conveyor line for qualified products, which is connected end to end. A linear module offline slide spans above each dual-channel diversion conveyor line for defective products. Each linear module offline slide is connected to the inspection fixtures via the sorting robot. The sorting robot is matched and connected to both the dual-channel diversion conveyor line for qualified products and the dual-channel diversion conveyor line for defective products. The pretreatment conveyor line is sequentially arranged with a coarse positioning platform, a cooling air knife, and a barcode scanning platform. The coarse positioning platform is mounted on a hollow rotating platform, and a y-axis servo slide is installed below the hollow rotating platform. The lower part of the y-axis servo slide is integrated into an x-axis servo slide. A coarse positioning vision camera is matched directly above the coarse positioning platform and is fixed on a gantry frame. A barcode reader is provided on the barcode scanning platform.

2. The mobile phone screen brightness detection device according to claim 1, characterized in that, A movable brightness detector is suspended above the testing fixture. The movable brightness detector is mounted on a suspension bracket, which is mounted on a horizontal displacement linear module.

3. The mobile phone screen brightness detection device according to claim 1, characterized in that, The coarse positioning platform, cooling air knife, and barcode scanning platform are equipped with a linear transport module. The linear transport module, the feeding robot, and the sorting robot are all equipped with a rotatable and liftable picking plate with a negative pressure suction cup. The sorting robot has a pre-inspection fine positioning platform within its stroke range. The pre-inspection fine positioning platform is equipped with a viewing window, and a fine positioning vision camera is matched below the viewing window.

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