CN212807571U

CN212807571U - Mobile phone backlight source detection device

Info

Publication number: CN212807571U
Application number: CN202022018968.0U
Authority: CN
Inventors: 郑新华
Original assignee: Xiamen Huarongxin Electronic Technology Co ltd
Current assignee: Xiamen Huarongxin Electronic Technology Co ltd
Priority date: 2020-09-15
Filing date: 2020-09-15
Publication date: 2021-03-26
Anticipated expiration: 2030-09-15

Abstract

The utility model discloses a cell-phone backlight detection device, belong to backlight detection technical field, a cell-phone backlight detection device, comprising a base plate, and a support, the roof, the visual detection subassembly, vacuum generator, the hose, the bearing frame, the apparatus comprises a rotating shaft and a motor, and light the smelting utensil, the left and right sides at bottom plate top all is fixed with the support, the top of support is fixed with the roof, vacuum generator and motor are all fixed at the top of bottom plate, and all lie in between two supports, the top of the bottom plate of motor rear side is fixed with the bearing frame, the rear end of motor is fixed with the pivot, the rear end of pivot inserts in the bearing frame, pivot and bearing frame normal running fit, it is fixed in the pivot to light the smelting utensil, light the smelting utensil and pass through hose and vacuum generator intercommunication, the bottom of roof is fixed with the visual detection subassembly, the visual detection subassembly is located the top of. The utility model discloses a cell-phone backlight detection device, it is rotatable to light the smelting tool, can realize detecting the backlight multi-angle.

Description

Mobile phone backlight source detection device

Technical Field

The utility model belongs to the technical field of the backlight detects, especially, relate to a cell-phone backlight detection device.

Background

The backlight source is a light source located at the back of the liquid crystal display, and the light emitting effect of the backlight source directly influences the visual effect of the liquid crystal display module. The liquid crystal display does not emit light itself, and it displays a pattern or its result of modulating light.

In a mobile phone production line, a backlight source detection device is needed to detect the produced backlight product. The traditional lighting fixture of the backlight source is fixed and can not rotate, so that the phenomenon of poor backlight missing detection is easy to occur; and the backlight source is limited only by the positioning groove, so that the backlight source is easy to fall out or shift, and the detection accuracy is influenced.

Disclosure of Invention

An object of the utility model is to provide a cell-phone backlight detection device, it is rotatable to light the tool, can realize detecting the backlight multi-angle.

To achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides a pair of cell-phone backlight detection device, comprising a base plate, and a support, the roof, the visual detection subassembly, vacuum generator, the hose, the bearing frame, the apparatus further comprises a rotating shaft, including a motor, an end cap, a controller, and a cover plate, the left and right sides at bottom plate top all is fixed with the support, the top of support is fixed with the roof, vacuum generator and motor are all fixed at the top of bottom plate, and all be located between two supports, the top of the bottom plate of motor rear side is fixed with the bearing frame, the rear end of motor is fixed with the pivot, the rear end of pivot inserts in the bearing frame, pivot and bearing frame normal running fit, it is fixed in the pivot to light the apparatus, it passes through hose and vacuum generator intercommunication to light the apparatus, the bottom of roof is fixed with the visual detection.

Preferably, the tool of lighting includes the base and lights the piece, and the constant head tank has been seted up at the base top, and the cavity has been seted up to the inside of base, through a plurality of adsorption holes intercommunication between cavity and the constant head tank, the cavity passes through hose and vacuum generator intercommunication, and the top of base is provided with lights the piece, lights the rear side that the piece is located the constant head tank.

Preferably, the illuminating part comprises guide rods, guide sleeves, a transverse plate, a spiral spring and a spring probe, two guide rods are fixed to the top of the base, each guide rod is sleeved with one guide sleeve, the guide sleeves are in sliding fit with the guide rods, the spiral spring is fixed to the bottom of each guide sleeve, the bottom end of each spiral spring is fixed to the top of the base, the transverse plate is fixed between the two guide sleeves, and the spring probe is fixed to the transverse plate.

Preferably, the positioning groove is formed in the base, and the positioning groove is formed in the base.

Preferably, the visual inspection subassembly includes first slip table, second slip table and CCD and detects the camera, and the bottom of roof is fixed with first slip table, and the sliding end of first slip table bottom is fixed with the second slip table, and the sliding direction mutually perpendicular of second slip table and first slip table, the sliding end of second slip table bottom is fixed with CCD and detects the camera.

Preferably, the first sliding table and the second sliding table are both ball screw sliding tables.

Preferably, the motor is a servo motor.

The utility model has the advantages that:

1. the rotating shaft is driven to rotate through the motor, and then the lighting jig is driven to rotate, so that the orientation of the backlight source is changed, multi-angle detection is realized on the backlight source by combining the visual detection assembly, and the phenomenon of missed detection is avoided.

2. And through the setting of vacuum generator for the tool produces the negative pressure of lighting, adsorbs the backlight, makes the backlight can not fall out or shift, improves and detects the rate of accuracy.

3. Through the elasticity of the spiral spring and the elasticity of the spring probe, the spring probe can abut against the flat cable pin of the backlight source to conduct good contact conduction, and smooth lighting is ensured.

4. The absorption hole produces the negative pressure and adsorbs the transparent film downwards, and the transparent film receives the downward extrusion backlight of adsorption, can produce even extrusion force to the backlight, replaces artifical the scraping back to press to detect, prevents the scratch backlight to save check-out time, improve the backlight yields.

Drawings

Fig. 1 is a schematic view of the structure of the present invention.

Fig. 2 is a first schematic top view of the lighting fixture of the present invention.

Fig. 3 is a schematic view of the lighting member of the present invention.

Fig. 4 is a second schematic top view of the lighting fixture of the present invention.

The labels in the figures are: 1-bottom plate, 2-bracket, 3-top plate, 4-visual detection assembly, 41-first sliding table, 42-second sliding table, 43-CCD detection camera, 5-vacuum generator, 6-hose, 9-motor, 10-lighting fixture, 101-base, 102-lighting piece, 1021-guide rod, 1022-guide sleeve, 1023-transverse plate, 1024-coil spring, 1025-spring probe, 103-positioning groove, 104-cavity, 105-adsorption hole and 106-transparent film.

Detailed Description

The present invention will now be further described with reference to the accompanying drawings and detailed description.

Those not described in detail in this specification are within the skill of the art. In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

As shown in fig. 1 to 4, the device for detecting a backlight of a mobile phone provided in this embodiment includes a bottom plate 1, a bracket 2, a top plate 3, a visual detection assembly 4, a vacuum generator 5, a hose 6, a bearing seat, a rotating shaft, a motor 9, and a lighting fixture 10, wherein the bracket 2 is fixed on both left and right sides of the top of the bottom plate 1, the top plate 3 is fixed on the top of the bracket 2, the vacuum generator 5 and the motor 9 are fixed on the top of the bottom plate 1, and all be located between two supports 2, the top of the bottom plate 1 of motor 9 rear side is fixed with the bearing frame, and the rear end of motor 9 is fixed with the pivot, and in the rear end of pivot inserted the bearing frame, pivot and bearing frame normal running fit lightened tool 10 and be fixed in the pivot, lightened tool 10 and pass through hose 6 and vacuum generator 5 intercommunication, the bottom of roof 3 is fixed with visual detection subassembly 4, and visual detection subassembly 4 is located the top of lightening tool 10. The rotating shaft is driven to rotate through the motor 9, and then the lighting jig 10 is driven to rotate, so that the orientation of the backlight source is changed, multi-angle detection is realized on the backlight source by combining the visual detection assembly 4, and the phenomenon of missed detection is avoided. And through the setting of vacuum generator 5 for lighting tool 10 produces the negative pressure, adsorbs the backlight, makes the backlight can not fall out or shift, improves and detects the rate of accuracy.

Further, the lighting jig 10 comprises a base 101 and a lighting piece 102, a positioning groove 103 is formed in the top of the base 101, a cavity 104 is formed in the base 101, the cavity 104 is communicated with the positioning groove 103 through a plurality of adsorption holes 105, the cavity 104 is communicated with the vacuum generator 5 through a hose 6, the lighting piece 102 is arranged on the top of the base 101, and the lighting piece 102 is located on the rear side of the positioning groove 103. The backlight source is preliminarily positioned through the positioning groove 103, and vacuum is generated through the vacuum generator 5, so that the suction hole 105 generates negative pressure to firmly suck the backlight source, and the backlight source is lightened through the lightening piece 102 so as to be detected.

Further, the illuminating part 102 comprises guide rods 1021, guide sleeves 1022, a transverse plate 1023, a helical spring 1024, and a spring probe 1025, the top of the base 101 is fixed with two guide rods 1021, each guide rod 1021 is sleeved with a guide sleeve 1022, the guide sleeves 1022 and the guide rods 1021 are in sliding fit, the bottom of each guide sleeve 1022 is fixed with a helical spring 1024, the bottom end of the helical spring 1024 is fixed at the top of the base 101, the transverse plate 1023 is fixed between the two guide sleeves 1022, the transverse plate 1023 is fixed with a spring probe 1025, and the top end of the spring probe 1025 is conducted with a power supply. Place the backlight in constant head tank 103 back, up pull up diaphragm 1023, make spring probe 1025 upward movement, coil spring 1024 extension, then place the winding displacement pin of backlight in spring probe 1025 below, loosen diaphragm 1023, coil spring 1024 contracts and resets, drive diaphragm 1023 downward movement, make spring probe 1025 downward movement and the winding displacement pin of backlight near switching on, elasticity through coil spring 1024 and spring probe 1025 self, make spring probe 1025 can be close to the winding displacement pin of backlight, it is electrically conductive to carry out good contact, ensure to light smoothly.

Further, a transparent film 106 is included, the left side of the transparent film 106 is fixed on the top of the base 101, and the positioning groove 103 is covered by the transparent film 106. The absorption hole 105 generates negative pressure to absorb the transparent film 106 downwards, the transparent film 106 is absorbed by the absorption action to extrude the backlight downwards, uniform extrusion force can be generated on the backlight, manual scraping and pressing detection are replaced, the backlight is prevented from being scratched, detection time is saved, and the yield of the backlight is improved.

Further, the visual inspection assembly 4 includes a first sliding table 41, a second sliding table 42, and a CCD detection camera 43, the first sliding table 41 is fixed to the bottom of the top plate 3, the second sliding table 42 is fixed to the sliding end of the bottom of the first sliding table 41, the sliding directions of the second sliding table 42 and the first sliding table 41 are perpendicular to each other, and the CCD detection camera 43 is fixed to the sliding end of the bottom of the second sliding table 42. The sliding direction of the first sliding table 41 is the left-right direction, the sliding direction of the second sliding table 42 is the front-back direction, and the first sliding table 41 is matched with the second sliding table 42 to drive the CCD detection camera 43 to carry out all-dimensional detection.

Furthermore, the first sliding table 41 and the second sliding table 42 are both ball screw sliding tables, so that the stability of the movement process is high, and the detection accuracy is improved.

Further, the motor 9 is a servo motor, and can accurately control the rotating speed and the rotating angle.

The utility model discloses a control mode comes automatic control through the controller, and the control circuit of controller can realize through the simple programming of technical staff in this field, and the supply also belongs to the common general knowledge in this field, and the utility model discloses mainly used protects mechanical device, so the utility model discloses no longer explain control mode and circuit connection in detail.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art; the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. A mobile phone backlight source detection device is characterized in that:

the device comprises a bottom plate, a bracket, a top plate, a visual detection assembly, a vacuum generator, a hose, a bearing seat, a rotating shaft, a motor and a lighting fixture;

the left side and the right side of the top of the bottom plate are both fixed with a bracket, and the top of the bracket is fixed with a top plate;

the vacuum generator and the motor are both fixed on the top of the bottom plate and are both positioned between the two brackets;

a bearing seat is fixed at the top of the bottom plate at the rear side of the motor, a rotating shaft is fixed at the rear end of the motor, the rear end of the rotating shaft is inserted into the bearing seat, and the rotating shaft is in rotating fit with the bearing seat;

the lighting fixture is fixed on the rotating shaft and is communicated with the vacuum generator through a hose;

and a visual detection assembly is fixed at the bottom of the top plate and is positioned above the lighting jig.

2. The device for detecting the backlight source of the mobile phone according to claim 1, wherein:

the lighting fixture comprises a base and a lighting piece;

the top of the base is provided with a positioning groove, the inside of the base is provided with a cavity, the cavity is communicated with the positioning groove through a plurality of adsorption holes, and the cavity is communicated with the vacuum generator through a hose;

the top of base is provided with lights the piece, it is located to light the piece the rear side of constant head tank.

3. The device for detecting the backlight source of the mobile phone according to claim 2, wherein:

the lightening part comprises a guide rod, a guide sleeve, a transverse plate, a spiral spring and a spring probe;

the top of the base is fixedly provided with two guide rods, each guide rod is sleeved with a guide sleeve, the guide sleeves are in sliding fit with the guide rods, the bottom of each guide sleeve is fixedly provided with a spiral spring, and the bottom end of each spiral spring is fixedly arranged at the top of the base;

and a transverse plate is fixed between the two guide sleeves, and a spring probe is fixed on the transverse plate.

4. The device for detecting the backlight source of the mobile phone according to claim 2, wherein:

also includes a transparent film;

the left side of the transparent film is fixed on the top of the base, and the positioning groove is covered by the transparent film.

5. The device for detecting the backlight source of the mobile phone according to claim 1, wherein:

the visual detection assembly comprises a first sliding table, a second sliding table and a CCD detection camera;

a first sliding table is fixed at the bottom of the top plate, a second sliding table is fixed at the sliding end of the bottom of the first sliding table, and the sliding directions of the second sliding table and the first sliding table are perpendicular to each other;

and a CCD detection camera is fixed at the sliding end at the bottom of the second sliding table.

6. The device for detecting the backlight source of the mobile phone according to claim 5, wherein:

the first sliding table and the second sliding table are ball screw sliding tables.

7. The device for detecting the backlight source of the mobile phone according to claim 1, wherein:

the motor is a servo motor.