Backlight plate flatness measuring device

Abstract

The utility model relates to backlight plate flatness measurement equipment which comprises a feeding assembly line, a detection mechanism and a turnover discharging assembly line. The feeding assembly line comprises a first belt line and a second belt line which are arranged side by side in the first direction, the frame is erected above the middles of the first belt line and the second belt line, and the transverse movement driving assembly is installed at the bottom of the frame. The multiple detection assemblies are connected to the bottom of the transverse movement driving assembly in the first direction and driven by the transverse movement driving assembly to move in the second direction, the overturning discharging assembly line comprises a third belt line and an overturning driving assembly, and the overturning driving assembly is arranged at the tail end of the first belt line and the tail end of the second direction. The third belt line is connected to an overturning driving assembly and is driven by the overturning driving assembly to overturn; the detection mechanism comprises a frame, a transverse movement driving assembly and a plurality of detection assemblies, flatness detection can be rapidly carried out on multiple positions of the backlight plate, compared with the prior art, the working efficiency is high, and the labor intensity of operators can be reduced.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of backlight panel detection, and particularly discloses a backlight panel flatness measuring device. BACKGROUND

[0002] Because the liquid crystal display device itself is transparent and cannot emit light, a backlight panel is needed for assistance; the flatness of the backlight panel has a direct influence on the related performance of the liquid crystal display screen, therefore, the flatness of the backlight panel needs to be detected in the production process of the backlight panel, and the detection method of the backlight panel in the prior art is usually that a worker moves back and forth on the backlight panel by means of a micrometer, and the detection is realized according to the change of the micrometer; this method has a low working efficiency, and the operator needs to spend a lot of manual labor, which does not meet the production requirements of enterprises.

[0003] Therefore, the backlight panel flatness measuring device is provided to solve the above problems. CONTENT OF THE UTILITY MODEL

[0004] In order to overcome the defects of the prior art, the application discloses a backlight panel flatness measuring device.

[0005] In order to achieve the above purpose, the technical scheme adopted by the application is as follows: a backlight panel flatness measuring device, comprising a feeding assembly line, a detection mechanism and a turnover and discharging assembly line;

[0006] The feeding assembly line comprises a first belt line and a second belt line which are arranged side by side along a first direction, and a material blocking assembly is arranged between the first belt line and the second belt line for blocking the movement of the backlight panel;

[0007] The detection mechanism comprises a frame, a transverse movement driving assembly and a plurality of detection assemblies, the frame is arranged above the middle part of the first belt line and the second belt line, the transverse movement driving assembly is installed at the bottom of the frame, and the plurality of detection assemblies are connected to the bottom of the transverse movement driving assembly and are driven to move along a second direction by the transverse movement driving assembly;

[0008] The turnover and discharging assembly line comprises a third belt line and a turnover driving assembly, the turnover driving assembly is arranged at the end of the first belt line and the second direction, and the third belt line is connected to the turnover driving assembly and is driven to turn over by the turnover driving assembly.

[0009] Further preferably, the material blocking assembly comprises an inclined seat arranged between the first belt line and the second belt line, two inclined sliding grooves arranged on the two sides of the first direction of the inclined seat, two sliding blocks arranged in the two inclined sliding grooves respectively, rubber blocking wheels arranged on the two sliding blocks respectively, a connecting rod connected between the two sliding blocks, and a straight-line cylinder arranged obliquely below the inclined seat and connected with the connecting rod.

[0010] Further preferably, the device further comprises two side plates arranged side by side, the first belt line and the second belt line are arranged oppositely on the two side plates, the turnover driving assembly comprises a driving motor with a reducer connected to an output shaft, the reducer and the driving motor are arranged outside one of the side plates, a driving shaft of the reducer is connected with a turnover shaft which is arranged between the two side plates, the turnover shaft is connected with a turnover platform, and the third belt line is arranged on the turnover platform.

[0011] Further preferably, the lateral movement driving assembly comprises a linear guide rail, a servo lead screw module and a moving platform, the linear guide rail and the servo lead screw module are arranged on the bottom of the frame on both sides of the first direction, the moving platform is connected to the linear guide rail and the servo lead screw module respectively, and a plurality of detection assemblies are arranged on the bottom of the moving platform along the first direction.

[0012] Further preferably, the detection assembly comprises a protective box and a laser sensor, the protective box is arranged on the bottom of the moving platform, the laser sensor is arranged in the protective box, and the bottom of the protective box is provided with an avoiding hole for the laser sensor to emit laser.

[0013] Further preferably, the conveying end of the first belt line and the second belt line is provided with a double-layer shelf, the upper layer plate and the lower layer plate of the double-layer shelf are respectively provided with a fourth belt line for recycling qualified products and a fifth belt line for recycling unqualified products.

[0014] Further preferably, the fifth belt line is arranged beyond the fourth belt line in the direction of the third belt line.

[0015] The present application achieves the following beneficial effects:

[0016] 1. The flatness measuring device of the present application can quickly detect the flatness of multiple positions of the backlight panel by moving the plurality of detection assemblies through the movement driving assembly, which is higher in work efficiency and can reduce the labor intensity of the operator compared with the prior art.

[0017] 2. The present application can convey the unqualified backlight panel to the fifth belt line when the third belt line is turned over by the turnover driving assembly, and convey the qualified backlight panel to the fourth belt line when the third belt line is not turned over by the turnover driving assembly, so as to realize the sorting of qualified products and unqualified products.

[0018] Other features and advantages of the present application will be described in the following description, and some will become apparent from the description, or will be understood from the practice of the present application. The purpose and other advantages of the present application can be achieved and obtained by the structure as indicated in the specification and the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0019] The accompanying drawings, which are incorporated herein and constitute part of the specification, illustrate embodiments consistent with the present disclosure and serve to explain the principles of the present disclosure together with the description herein.

[0020] Fig. 1 The overall structure of the present application is shown in the schematic diagram;

[0021] Fig. 2 The overall structure of the present application is shown in the schematic diagram;

[0022] Fig. 3 The detection mechanism side view of the present application is shown in the schematic diagram;

[0023] In the figure: 10, feeding line; 11, first belt line; 12, second belt line; 13, side plate; 20, detection mechanism; 21, transverse movement driving assembly; 211, servo screw module; 212, linear guide rail; 213, moving platform; 22, frame; 23, detection assembly; 231, protection box; 2311, escape hole; 232, laser sensor; 30, turnover unloading line; 31, turnover driving assembly; 311, speed reducer; 312, driving motor; 313, turnover platform; 32, third belt line; 40, material blocking assembly; 41, inclined seat; 411, inclined chute; 42, sliding block; 43, connecting rod; 44, linear cylinder; 50, double-layer frame; 60, fourth belt line; 70, fifth belt line. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments.

[0025] In the description of the present application, it should be understood that the terms "opening", "upper", "lower", "thickness", "top", "middle", "length", "inner", "periphery" and the like indicate the orientation or positional relationship, which are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the indicated components or elements must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0026] EMBODIMENT

[0027] In order to solve the problem of detecting the flatness of the backlight panel by artificial means with a micrometer in the prior art, with reference to Figs. 1-3 The present application discloses a backlight panel flatness measuring device, which comprises a feeding line 10, a detection mechanism 20 and a turnover unloading line 30.

[0028] The feeding line 10 comprises a first belt line 11 and a second belt line 12 arranged side by side along a first direction, and the feeding positions of the first belt line 11 and the second belt line 12 are constantly fed with backlight panels by manual or mechanical hands, and the backlight panels are moved under the conveying of the first belt line 11 and the second belt line 12;

[0029] A blocking assembly 40 for blocking the movement of the backlight panels is arranged between the first belt line 11 and the second belt line 12, and the blocking assembly 40 blocks the backlight panels when the backlight panels flow to the set positions on the first belt line 11 and the second belt line 12;

[0030] The detection mechanism 20 comprises a frame 22, a transverse moving driving assembly 21 and a plurality of detection assemblies 23, the frame 22 is arranged above the middle part of the first belt line 11 and the second belt line 12, the transverse moving driving assembly 21 is installed at the bottom of the frame 22, and the plurality of detection assemblies 23 are connected to the bottom of the transverse moving driving assembly 21 and are driven to move along a second direction by the transverse moving driving assembly 21;

[0031] When the backlight panels are blocked at the set positions, the transverse moving driving assembly 21 drives the plurality of detection assemblies 23 to move, and at this time, the plurality of detection assemblies 23 move transversely above a plurality of positions of the backlight panels, so as to detect the flatness of the backlight panels;

[0032] The turnover and unloading line 30 comprises a third belt line 32 and a turnover driving assembly 31, the turnover driving assembly 31 is arranged at the end of the first belt line 11 and the second direction, the third belt line 32 is connected to the turnover driving assembly 31 and is driven to turn over by the turnover driving assembly 31, and the conveying end of the first belt line 11 and the second belt line 12 is provided with a double-layer rack 50, the upper layer and the lower layer of the double-layer rack 50 are respectively provided with a fourth belt line 60 for recycling qualified products and a fifth belt line 70 for recycling unqualified products, and the fifth belt line 70 is arranged beyond the fourth belt line 60 towards the third belt line 32.

[0033] After the detection of the flatness of the backlight panels by the plurality of detection assemblies 23 is completed, the blocking assembly is reset, and under the conveying of the first belt line 11 and the second belt line 12, the backlight panels are conveyed to the third belt line 32, according to the detection results, when the third belt line 32 is driven to turn over by the turnover driving assembly 31, the unqualified backlight panels are conveyed to the fifth belt line 70, and when the third belt line 32 is not driven to turn over by the turnover driving assembly 31, the qualified backlight panels are conveyed to the fourth belt line 60, so as to realize the sorting of the qualified products and the unqualified products.

[0034] In one of the specific embodiments, the material blocking assembly 40 of the present application comprises an inclined seat 41 arranged between the first belt line 11 and the second belt line 12, two inclined sliding grooves 411 arranged on the two sides of the first direction of the inclined seat 41, two sliding blocks 42 arranged in the two inclined sliding grooves 411 respectively, two rubber blocking wheels arranged on the two sliding blocks 42 respectively, a connecting rod 43 connected between the two sliding blocks 42, and a straight-line cylinder 44 arranged obliquely below the inclined seat 41 and connected with the connecting rod 43. When the straight-line cylinder 44 drives the two sliding blocks 42 to move obliquely to the set position, the two rubber blocking wheels will block the belts leaked from above the first belt line 11 and the second belt line 12. At this time, when the first belt line 11 and the second belt line 12 conveying the backlight move to the set position, they will be blocked by the two rubber blocking wheels, thereby facilitating the subsequent flatness detection work.

[0035] In one of the specific embodiments, the present application further comprises two side plates 13 arranged side by side, the first belt line 11 and the second belt line 12 are arranged oppositely on the two side plates 13, the turnover driving assembly 31 comprises a driving motor 312 with a reducer 311 connected to the output shaft, and a turnover platform 313, the reducer 311 and the driving motor 312 are arranged on the outside of one of the side plates 13, the driving shaft of the reducer 311 is connected with a turnover shaft penetrating between the two side plates 13, the turnover platform 313 is connected to the turnover shaft, and the third belt line 32 is arranged on the turnover platform 313; under the cooperation of the driving motor 312 and the reducer 311, the turnover shaft of the present application drives the turnover platform 313 to turn over, so that the third belt line 32 of the present application turns over.

[0036] In one of the specific embodiments, the transverse movement driving assembly 21 of the present application comprises a linear guide rail 212, a servo screw module 211, and a moving platform 213, the linear guide rail 212 and the servo screw module 211 are arranged on the bottom of the frame 22 on the two sides of the first direction, the moving platform 213 is connected to the linear guide rail 212 and the servo screw module 211 respectively, and a plurality of detection assemblies 23 are arranged on the bottom of the moving platform 213 along the first direction. Under the drive of the servo screw module 211, the moving platform 213 will move along the first direction, and in the process, the plurality of detection assemblies 23 arranged on the bottom of the moving platform 213 will detect the flatness of the backlight panel.

[0037] Based on the above embodiment, the detection assembly 23 of the present application comprises a protective box 231 and a laser sensor 232, the protective box 231 is arranged on the bottom of the moving platform 213, the laser sensor 232 is arranged inside the protective box 231, and the bottom of the protective box 231 is provided with an avoidance hole 2311 for the laser sensor 232 to emit laser. When detecting the backlight panel, the laser sensor 232 will emit laser to the backlight panel.

[0038] In the description of the specification, reference to terms "one embodiment", "an example", "a specific example" and so on, means that the particular feature, structure, material or characteristic being described is included in at least one embodiment or example of the application. The illustrative appearances of the above-mentioned terms in various places in the specification are not necessarily intended to refer to the same embodiment or example. Moreover, the particular features, structures, materials or characteristics can be combined in any suitable manner in one or more embodiments or examples.

[0039] The above embodiments are only for illustrating the technical concept and characteristics of the application, and the purpose is to enable those skilled in the art to understand the content of the application and implement it, and cannot be used to limit the protection scope of the application. Any equivalent changes or modifications made according to the spirit and principle of the application should be covered within the protection scope of the application.

Claims

1. A backlight panel flatness measurement device, characterized in that, It includes a feeding assembly line (10), a testing mechanism (20), and a tilting unloading assembly line (30); The feeding line (10) includes a first belt line (11) and a second belt line (12) arranged side by side along a first direction, and a baffle assembly (40) for blocking the movement of the backlight panel is provided between the first belt line (11) and the second belt line (12). The detection mechanism (20) includes a frame (22), a lateral movement drive assembly (21), and a plurality of detection components (23). The frame (22) is mounted above the middle of the first belt (11) and the second belt (12). The lateral movement drive assembly (21) is installed at the bottom of the frame (22). The plurality of detection components (23) are connected to the bottom of the lateral movement drive assembly (21) along a first direction and are driven by it to move along a second direction. The overturning unloading production line (30) includes a third belt (32) and an overturning drive assembly (31). The overturning drive assembly (31) is located at the end of the first belt (11) and the second direction, and the third belt (32) is connected to the overturning drive assembly (31) and is driven to overturn by it.

2. The backlight panel flatness measurement device according to claim 1, characterized in that, The baffle assembly (40) includes an inclined seat (41) located between the first belt line (11) and the second belt line (12), two inclined grooves (411) opened on both sides of the inclined seat (41) in the first direction, two sliders (42) respectively located in the two inclined grooves (411), rubber baffles respectively located on the two sliders (42), a connecting rod (43) connected between the two sliders (42), and a linear cylinder (44) inclined below the inclined seat (41) and connected to the connecting rod (43).

3. The backlight panel flatness measurement device according to claim 1, characterized in that, It also includes two side plates (13) arranged side by side. The first belt (11) and the second belt (12) are arranged opposite to each other on the two side plates (13). The flip drive assembly (31) includes a drive motor (312) with a reducer (311) connected to its output shaft and a flip platform (313). The reducer (311) and the drive motor (312) are located on the outside of one of the side plates (13). The drive shaft of the reducer (311) is connected to a flip shaft that passes between the two side plates (13). The flip shaft is connected to the flip platform (313). The third belt (32) is located on the flip platform (313).

4. The backlight panel flatness measurement device according to claim 1, characterized in that, The lateral movement drive assembly (21) includes a linear guide rail (212), a servo screw module (211), and a moving platform (213). The linear guide rail (212) and the servo screw module (211) are located on both sides of the bottom of the frame (22) in a first direction. The moving platform (213) is connected to the linear guide rail (212) and the servo screw module (211) respectively. Several detection components (23) are located at the bottom of the moving platform (213) along the first direction.

5. The backlight panel flatness measurement device according to claim 1, characterized in that, The detection component (23) includes a protective box (231) and a laser sensor (232). The protective box (231) is located at the bottom of the mobile platform (213), and the laser sensor (232) is located inside the protective box (231). The bottom of the protective box (231) is provided with a clearance hole (2311) for the laser sensor (232) to emit laser light.

6. The backlight panel flatness measurement device according to claim 1, characterized in that, The conveying end of the second belt (12) of the first belt (11) is provided with a double-layer frame (50). The upper and lower plates of the double-layer frame (50) are respectively provided with a fourth belt (60) for recycling qualified products and a fifth belt (70) for recycling unqualified products.

7. The backlight panel flatness measurement device according to claim 6, characterized in that, The fifth belt line (70) is positioned beyond the fourth belt line (60) in the direction of the third belt line (32).

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