CN214865324U

CN214865324U - Measuring device is used in backlight unit maintenance

Info

Publication number: CN214865324U
Application number: CN202121278478.2U
Authority: CN
Inventors: 李莹; 苏要乐图; 刘训良; 赵东东
Original assignee: Chongqing Hanbo Display Technology R & D Center Co ltd
Current assignee: Chongqing Hanbo Display Technology R & D Center Co ltd
Priority date: 2021-06-08
Filing date: 2021-06-08
Publication date: 2021-11-26
Anticipated expiration: 2031-06-08

Abstract

The utility model discloses a backlight unit is measuring device for maintenance, including measuring stand and portal frame, the top fixedly connected with portal frame of measuring stand, the top of portal frame is provided with electronic slide rail, the outside sliding connection of electronic slide rail has the slip table, the bottom fixedly connected with of slip table detects the machine, the below of detecting the machine is provided with removes measuring mechanism. This measuring device is used in backlight unit maintenance is through being provided with the fixed station, step motor, the screw rod, the screw thread piece, the bull stick, module tool and connecting rod, step motor's output passes through the shaft coupling and drives the bull stick rotation, the bull stick passes through driving belt and drive wheel and drives two sets of screw rods rotation, thereby drive screw thread piece horizontal migration, three module tools of group fixed with it carry out optical measurement from right side to left side to the fixed point removal in the measuring station top, once measure three groups, need not manually to put and remove, the time of position adjustment is saved, and the measurement efficiency is improved, the problem of measurement inefficiency has been solved.

Description

Measuring device is used in backlight unit maintenance

Technical Field

The utility model relates to a backlight unit technical field specifically is a backlight unit is measuring device for maintenance.

Background

Backlight unit is the light emitting source among the LCD, backlight unit need carry out size detection and luminance, the detection of degree of consistency isoparametric before dispatching from the factory, it can carry out batch detection to use optics two-dimensional color brightness meter usually, but because the detection volume is big, the manual work is put backlight module subassembly and is adjusted the position and consume a large amount of time, measurement efficiency is lower, on the other hand, in actual measurement, because speed requirement, often can confuse qualified piece and unqualified piece, the fragile module of manual taking, cause qualified piece to damage, influence the quality of dispatching from the factory. The utility model provides a backlight unit is measuring device for maintenance, detects through the fast movement to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a backlight unit is measuring device for maintenance to propose the problem of being not convenient for distinguish fast and unloading in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a measuring device for maintaining a backlight module comprises a measuring table and a portal frame, wherein the top end of the measuring table is fixedly connected with the portal frame, the top end of the portal frame is provided with an electric slide rail, the outside of the electric slide rail is connected with a slide table in a sliding manner, the bottom end of the slide table is fixedly connected with a detector, a movable measuring mechanism is arranged below the detector, one side of the portal frame is provided with an audible and visual alarm, the other side of the portal frame is provided with a control panel, the bottom end of the control panel is provided with a control button, one side of the measuring table is provided with a conveying mechanism, and one side of the portal frame is provided with a blanking mechanism;

unloading mechanism includes the cylinder, cylinder fixed connection is in the bottom of portal frame one side, the piston rod fixedly connected with rubber push pedal of cylinder output, the frame is collected to the one end fixedly connected with of measuring stand, the inside of collecting the frame is provided with the rubber backing plate.

Preferably, the mobile measurement mechanism comprises fixed station, step motor, screw rod, screw thread piece, bull stick, module tool and connecting rod, fixed station fixed connection is on the top of measuring table, the opposite side fixedly connected with step motor of fixed station, step motor's output passes through shaft coupling fixedly connected with bull stick, the both ends of bull stick are provided with the screw rod, screw rod swing joint is on the top of fixed station, three group's screw thread pieces have been cup jointed respectively to the outside of screw rod, the top fixedly connected with module tool of screw thread piece, the module tool is provided with three groups, fixedly connected with connecting rod between the module tool.

Preferably, the screw rods are provided with two groups, the thread directions of the screw rods are the same, and a driving wheel and a driving belt are respectively arranged between the other side of the rotating rod and the other side of the screw rods.

Preferably, the both ends of fixed station inner wall are provided with the reservation groove, the screw thread piece inlays in the inside of reservation groove and through reservation groove and fixed station sliding connection.

Preferably, transport mechanism comprises gear motor, driving sprocket, conveyer belt and drive sprocket, the conveyer belt sets up the one side at the survey meter, the inside one side of conveyer belt is provided with driving sprocket, the inside equidistant multiunit drive sprocket that is provided with of conveyer belt, gear motor fixed connection is in the bottom of survey meter one side, be provided with driving belt between gear motor's output and the driving sprocket.

Preferably, the top end of the conveyor belt is located at a level lower than that of the fixed table, and the conveyor belt is located at one end of one side of the fixed table.

Preferably, the speed reducing motor, the air cylinder, the audible and visual alarm, the portal frame, the electric slide rail, the detection machine, the control panel, the control button and the fixed platform are in control connection through a PLC system.

Compared with the prior art, the beneficial effects of the utility model are that: the measuring device for maintaining the backlight module not only realizes quick material distinguishing and discharging and high moving detection efficiency, but also realizes automatic transmission of qualified parts;

(1) through the arrangement of the collecting frame, the rubber base plate, the rubber push plate and the air cylinder, when a module which shows a fault is unqualified in measurement by the detection machine, the audible and visual alarm alarms, the stepping motor stops rotating, a worker manually takes down the module and places the module in the collecting frame, the rubber base plate is laid in the collecting frame to prevent the module from being collided and damaged, the control button is pressed down to start the module again, the next group of module jigs are moved to the lower part of the detection machine to be measured, the last group of qualified module is pushed to the conveying mechanism by the rubber push plate of the air cylinder, so that qualified parts and unqualified parts can be quickly distinguished, and confusion is prevented;

(2) the three groups of module jigs fixed with the fixture are moved from right to left at the top end of the measuring table to the fixed point below the detector for optical measurement, three groups are measured at one time, manual placement and movement are not needed, the time of position adjustment is saved, and the measuring efficiency is improved;

(3) through being provided with gear motor, driving sprocket, conveyer belt and driving sprocket, the measurement finishes and qualified backlight module moves to cylinder the place ahead, the rubber push pedal pushes away backlight module to the conveyer belt top, gear motor passes through driving belt and drives driving sprocket and rotate, driving sprocket synchronous rotation makes the conveyer belt form and stabilizes the conveying, be convenient for transmit most qualified spare to other processing regions, improve whole measuring speed, reduce the direct contact between hand and the module, guarantee product quality.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

fig. 2 is a schematic top view of the mobile measuring mechanism of the present invention;

FIG. 3 is a schematic diagram of a side view structure of the cylinder of the present invention;

fig. 4 is a schematic view of a front view structure of the conveying mechanism of the present invention.

In the figure: 1. a sliding table; 2. a detector; 3. a control panel; 4. a control button; 5. a mobile measuring mechanism; 501. a fixed table; 502. a stepping motor; 503. a screw; 504. a thread block; 505. a rotating rod; 506. a module jig; 507. a connecting rod; 6. a measuring table; 7. a collection frame; 8. a rubber pad; 9. a transport mechanism; 901. a reduction motor; 902. a drive sprocket; 903. a conveyor belt; 904. a drive sprocket; 10. a rubber push plate; 11. a cylinder; 12. an audible and visual alarm; 13. a gantry; 14. provided is an electric sliding rail.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1: referring to fig. 1-4, a measuring device for maintaining a backlight module comprises a measuring table 6 and a portal frame 13, wherein the top end of the measuring table 6 is fixedly connected with the portal frame 13, the top end of the portal frame 13 is provided with an electric slide rail 14, the outside of the electric slide rail 14 is slidably connected with a sliding table 1, the bottom end of the sliding table 1 is fixedly connected with a detector 2, a movable measuring mechanism 5 is arranged below the detector 2, one side of the portal frame 13 is provided with an audible and visual alarm 12, the other side of the portal frame 13 is provided with a control panel 3, the bottom end of the control panel 3 is provided with a control button 4, one side of the measuring table 6 is provided with a conveying mechanism 9, and one side of the portal frame 13 is provided with a blanking mechanism;

referring to fig. 1-4, the measuring device for maintaining the backlight module further comprises a blanking mechanism, the blanking mechanism comprises an air cylinder 11, the air cylinder 11 is fixedly connected to the bottom of one side of a portal frame 13, a piston rod at the output end of the air cylinder 11 is fixedly connected with a rubber push plate 10, one end of a measuring table 6 is fixedly connected with a collecting frame 7, and a rubber base plate 8 is arranged inside the collecting frame 7;

specifically, as shown in fig. 1, fig. 2, fig. 3 and fig. 4, after the module that shows trouble measures nonconformity through detection machine 2, audible-visual annunciator 12 sounds the warning, step motor 502 stall, the staff takes off the mould subassembly manually and places in collecting frame 7, it prevents to collide with the damage to lay rubber backing plate 8 in collecting frame 7, press control button 4 and start again, next group of module tool 506 moves to and measures below detection machine 2, last group of qualified mould subassembly is pushed to transport mechanism 9 by the rubber push pedal 10 of cylinder 11, so that distinguish qualified piece and nonconforming piece fast, prevent to obscure.

Example 2: the mobile measuring mechanism 5 comprises a fixed platform 501, a stepping motor 502, a screw 503, thread blocks 504, a rotating rod 505, module fixtures 506 and connecting rods 507, wherein the fixed platform 501 is fixedly connected to the top end of the measuring platform 6, the stepping motor 502 is fixedly connected to the other side of the fixed platform 501, the output end of the stepping motor 502 is fixedly connected with the rotating rod 505 through a coupler, the screw 503 is arranged at two ends of the rotating rod 505, the screw 503 is movably connected to the top end of the fixed platform 501, three groups of thread blocks 504 are respectively sleeved outside the screw 503, the top ends of the thread blocks 504 are fixedly connected with the module fixtures 506, the module fixtures 506 are provided with three groups, and the connecting rods 507 are fixedly connected between the module fixtures 506;

two groups of screws 503 are arranged, the thread directions of the screws 503 are the same, a driving wheel and a driving belt are respectively arranged between the other side of the rotating rod 505 and the other side of the screws 503, and a group of motors drives the two groups of screws 503 to effectively save energy and reduce noise;

two ends of the inner wall of the fixed table 501 are provided with reserved grooves, and the thread blocks 504 are embedded in the reserved grooves and are in sliding connection with the fixed table 501 through the reserved grooves, so that the influence of axial force is reduced, and the fixed table can move stably;

specifically, as shown in fig. 1 and fig. 2, the output end of the stepping motor 502 drives the rotating rod 505 to rotate through the coupling, the rotating rod 505 drives the two sets of screws 503 to rotate through the transmission belt and the transmission wheel, so as to drive the screw block 504 to move horizontally, the three sets of module jigs 506 fixed with the screw block move from right to left at the top end of the measuring table 6 to the fixed point below the detector 2 for optical measurement, three sets are measured at a time, manual placement and movement are not needed, the time of position adjustment is saved, and the measuring efficiency is improved.

Example 3: the conveying mechanism 9 consists of a speed reducing motor 901, a driving chain wheel 902, a conveying belt 903 and a driving chain wheel 904, wherein the conveying belt 903 is arranged on one side of the measuring table 6, the driving chain wheel 902 is arranged on one side inside the conveying belt 903, a plurality of groups of driving chain wheels 904 are arranged inside the conveying belt 903 at equal intervals, the speed reducing motor 901 is fixedly connected to the bottom end of one side of the measuring table 6, and a driving belt is arranged between the output end of the speed reducing motor 901 and the driving chain wheel 902;

the horizontal height of the top end of the conveyor belt 903 is lower than that of the fixed table 501, and the conveyor belt 903 is located at one end of one side of the fixed table 501 and is convenient to erect;

the speed reducing motor 901, the cylinder 11, the audible and visual alarm 12, the portal frame 13, the electric slide rail 14, the detector 2, the control panel 3, the control button 4 and the fixed platform 501 are in control connection through a PLC system, so that automatic measurement is realized;

specifically, as shown in fig. 1, fig. 2, fig. 3 and fig. 4, the backlight module that is qualified after measurement is moved to the front of the cylinder 11, the rubber push plate 10 pushes the backlight module to the top end of the conveyor belt 903, the speed reduction motor 901 drives the driving sprocket 902 to rotate through the driving belt, and the driving sprocket 904 synchronously rotates to enable the conveyor belt 903 to form stable conveying, so that most qualified parts are conveniently conveyed to other processing areas, the overall measurement speed is improved, direct contact between hands and the module is reduced, and the product quality is ensured.

The working principle is as follows: when the utility model is used, firstly, the worker places three groups of backlight module assemblies on the top of the module jig 506 respectively, starts the stepping motor 502, the stepping motor 502 drives the rotating rod 505 to rotate, thereby driving the two groups of screw rods 503 to rotate through the driving wheel and the driving belt, the three groups of screw blocks 504 change the rotation into linear motion outside the screw rods 503, driving the module jig 506 to move stably, the module jig 506 moves from right to left to the lower part of the detector 2 to receive measurement, if the module is qualified, the module moves continuously, the next group of module carries out measurement, if the module is unqualified, the detector 2 sends a signal to the audible and visual alarm 12, the audible and visual alarm 12 sounds to give an alarm and sends a signal to the control panel 3, the stepping motor 502 stops driving, the worker manually takes off the current unqualified module assembly and puts the module into the collecting frame 7, the rubber cushion plate 8 laid in the collecting frame 7 can prevent the collision of the backlight module, pressing a control button 4, continuously starting a stepping motor 502, continuously moving a module jig 506 leftwards, detecting a next group of module assemblies, after the detection is finished, moving the module assemblies to the front of an air cylinder 11, pushing out a piston rod of the air cylinder 11, pushing qualified module assemblies into the top end of a conveyor belt 903 by a rubber push plate 10, driving a transmission chain wheel 904 to rotate in the conveyor belt 903 by a speed reducing motor 901 through a driving chain wheel 902, conveying the qualified module assemblies to a next processing area by the conveyor belt 903, and finishing the whole measuring process, wherein the speed reducing motor 901, the air cylinder 11, an audible and visual alarm 12, a portal frame 13, an electric slide rail 14, a detector 2, a control panel 3, a control button 4 and a fixed platform 501 are connected through a PLC system in a control way, parameters are set according to data of a backlight module and input into the control panel 3 to form a moving and measuring track, and the sliding platform 1 can move leftwards and rightwards outside the electric slide rail 14, thereby driving the detector 2 to move and carrying out automatic measurement.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a backlight unit is measuring device for maintenance, includes measuring stand (6) and portal frame (13), its characterized in that: the device comprises a measuring table (6), a portal frame (13) and a mobile measuring mechanism (5), wherein the portal frame (13) is fixedly connected to the top end of the measuring table (6), an electric sliding rail (14) is arranged on the top end of the portal frame (13), a sliding table (1) is connected to the outer portion of the electric sliding rail (14) in a sliding manner, a detecting machine (2) is fixedly connected to the bottom end of the sliding table (1), the mobile measuring mechanism (5) is arranged below the detecting machine (2), an audible and visual alarm (12) is arranged on one side of the portal frame (13), a control panel (3) is arranged on the other side of the portal frame (13), a control button (4) is arranged at the bottom end of the control panel (3), a conveying mechanism (9) is arranged on one side of the measuring table (6), and a blanking mechanism is arranged on one side of the portal frame (13);

unloading mechanism includes cylinder (11), cylinder (11) fixed connection is in the bottom of portal frame (13) one side, piston rod fixedly connected with rubber push pedal (10) of cylinder (11) output, the one end fixedly connected with of measuring stand (6) collects frame (7), the inside of collecting frame (7) is provided with rubber tie plate (8).

2. The device of claim 1, wherein the backlight module comprises: the mobile measuring mechanism (5) consists of a fixed platform (501), a stepping motor (502), a screw (503), a thread block (504), a rotating rod (505), a module jig (506) and a connecting rod (507), the fixed platform (501) is fixedly connected with the top end of the measuring platform (6), the other side of the fixed platform (501) is fixedly connected with a stepping motor (502), the output end of the stepping motor (502) is fixedly connected with a rotating rod (505) through a coupler, two ends of the rotating rod (505) are provided with screw rods (503), the screw rods (503) are movably connected to the top end of the fixed platform (501), three groups of thread blocks (504) are respectively sleeved outside the screw rod (503), the top ends of the thread blocks (504) are fixedly connected with a module jig (506), the module jig (506) is provided with three groups, and connecting rods (507) are fixedly connected between the module jig (506).

3. The device according to claim 2, wherein the backlight module comprises: two groups of screw rods (503) are arranged, the thread directions of the screw rods (503) are the same, and a driving wheel and a driving belt are respectively arranged between the other side of the rotating rod (505) and the other side of the screw rods (503).

4. The device according to claim 2, wherein the backlight module comprises: the both ends of fixed station (501) inner wall are provided with the reservation groove, screw thread piece (504) inlay in the inside of reservation groove and through reservation groove and fixed station (501) sliding connection.

5. The device of claim 1, wherein the backlight module comprises: conveying mechanism (9) comprise gear motor (901), driving sprocket (902), conveyer belt (903) and driving sprocket (904), conveyer belt (903) set up the one side at measuring table (6), one side of conveyer belt (903) inside is provided with driving sprocket (902), the inside equidistant multiunit driving sprocket (904) that is provided with of conveyer belt (903), gear motor (901) fixed connection is in the bottom of measuring table (6) one side, be provided with driving belt between gear motor (901)'s the output and driving sprocket (902).

6. The device according to claim 5, wherein the backlight module comprises: the horizontal height of the top end of the conveyor belt (903) is lower than that of the fixed table (501), and the conveyor belt (903) is located at one end of one side of the fixed table (501).

7. The device according to claim 5, wherein the backlight module comprises: the device comprises a speed reducing motor (901), a cylinder (11), an audible and visual alarm (12), a portal frame (13), an electric slide rail (14), a detector (2), a control panel (3), a control button (4) and a fixed platform (501) which are connected through a PLC system.