Turnover device for liquid crystal screen production

Abstract

The utility model relates to the technical field of object overturning or overturning, and discloses an overturning device for liquid crystal screen production, which comprises a working table, a movable plate is arranged on the upper side of the working table, a first clamping block is arranged on the front side of the movable plate, a rotating shaft is fixedly connected to the rear side of the first clamping block, and the rotating shaft is rotatably connected with the front side of the movable plate. A fixing plate is fixedly connected to the upper side of the workbench, a second clamping block is arranged on the rear side of the fixing plate, a rotating shaft is fixedly connected to the front side of the second clamping block, the front end of the rotating shaft rotationally extends into the fixing plate, and a control mechanism is arranged on the workbench and the fixing plate. According to the turnover device for the liquid crystal display, when a worker detects the quality of the outer surface of the liquid crystal display, the turnover of the liquid crystal display can be freely controlled through the feet, so that the turnover speed of the liquid crystal display can be freely adjusted according to the speed of the worker, the convenience is improved when the worker detects the liquid crystal display, and the practicability of the turnover device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of overturning or turning over objects, in particular to a turnover device for liquid crystal screen production. BACKGROUND

[0002] Liquid crystal screen is a display technology widely used in electronic devices, which displays images by using the physical properties of liquid crystal material. Liquid crystal material is between solid and liquid state, has the optical properties of solid crystal and the fluidity of liquid state. The working principle of liquid crystal screen is mainly to control the passage of light by changing the arrangement state of liquid crystal molecules, thereby realizing the display of images. Liquid crystal screens need to be detected for the quality of the outer surface during production. In order to facilitate detection, a turnover device is usually used to rotate the liquid crystal screen while detecting.

[0003] The current turnover device is usually clamped and fixed after the liquid crystal piece is clamped and fixed, and then the motor drives it to turn over. The staff detects the outer surface of the liquid crystal screen during the turning process. The outer surface of the liquid crystal screen is not evenly distributed, so the detection time of some parts will be longer, and some parts can be quickly detected. The speed of the motor is fixed and cannot be adjusted. In order to ensure the normal detection of the liquid crystal screen, the staff needs to detect with both hands and adjust the speed of the motor at the same time, which brings some trouble to the staff, makes the detection work slow, and reduces the practicability of the turnover device. UTILITY MODEL CONTENT

[0004] (I) The technical problem solved: In view of the shortcomings of the prior art, the utility model provides a turnover device for liquid crystal screen production, which can control the turning of the liquid crystal screen by the foot while the staff detects the quality of the outer surface of the liquid crystal screen, so that the turning speed of the liquid crystal screen can be freely adjusted according to the speed of the staff, the convenience of the staff during detection is improved, and the practicability of the turnover device is improved.

[0005] (II) Technical scheme: In order to achieve the above purpose, the utility model provides the following technical scheme: a turnover device for liquid crystal screen production, comprising a workbench, a fixed plate is fixedly connected to the upper side of the workbench, a second clamping block is arranged on the rear side of the fixed plate;

[0006] The front side of the second clamping block is fixedly connected with a rotating shaft, the front end of the rotating shaft is rotatably extended into the inside of the fixed plate, a control mechanism is arranged on the workbench and the fixed plate, the control mechanism can be controlled by stepping, and the liquid crystal screen is freely turned over;

[0007] The control mechanism comprises a first transmission groove, a second transmission groove, a rotating rod, a first synchronous wheel, a second synchronous wheel, a control rod, a third synchronous wheel, a fourth synchronous wheel, a foot pedal, a fixing ring and a torsion spring.

[0008] Preferably, the upper side of the workbench is provided with a movable plate, the front side of the movable plate is provided with a first clamping block, the rear side of the first clamping block is fixedly connected with a rotating shaft, and the rotating shaft is rotatably connected with the front side of the movable plate.

[0009] The upper side of the workbench is provided with a sliding groove, and the sliding groove is slidably connected with a sliding block.

[0010] The rear side of the workbench is fixedly connected with a motor assembly, the output end of the motor assembly is fixedly connected with a transmission shaft, the front end of the transmission shaft rotatably extends into the inside of the sliding groove, and the front end of the transmission shaft is fixedly connected with a threaded rod.

[0011] The front end of the threaded rod is screwed through the sliding block, and the front end of the threaded rod is rotatably connected with the front wall of the sliding groove.

[0012] Preferably, the first transmission groove is arranged in the inside of the fixed plate and the workbench, and the front end of the rotating shaft rotatably extends into the inside of the first transmission groove.

[0013] The front end of the rotating shaft is rotatably connected to the front wall of the first transmission groove, the second transmission groove is arranged in the inside of the workbench, and the second transmission groove is arranged at the rear side of the first transmission groove.

[0014] The inside of the second transmission groove is in communication with the inside of the first transmission groove, and the second transmission groove is an L-shaped groove.

[0015] Preferably, the left wall of the second transmission groove extends out of the left side of the workbench, and the rotating rod is rotatably connected to the rear wall of the second transmission groove.

[0016] The front end of the rotating rod is rotatably connected to the front wall of the first transmission groove, the first synchronous wheel is fixedly sleeved on the outer surface of the rotating shaft, and the second synchronous wheel is fixedly sleeved on the outer surface of the rotating rod.

[0017] The first synchronous wheel and the second synchronous wheel are in transmission connection with a first synchronous belt, and the control rod is arranged in the inside of the second transmission groove.

[0018] Preferably, the front and rear ends of the control rod are rotatably connected with the front and rear walls of the second transmission groove respectively, and the control rod is arranged at the left side of the rotating rod.

[0019] The third synchronous wheel is fixedly sleeved on the outer surface of the control rod, and the fourth synchronous wheel is fixedly sleeved on the outer surface of the rotating rod.

[0020] The third synchronous wheel and the fourth synchronous wheel are in transmission connection with a second synchronous belt, and the foot pedal is fixedly connected to the outer surface of the control rod.

[0021] Preferably, the left side of the foot pedal extends out of the left side of the workbench, the fixing ring is fixedly sleeved on the outer surface of the rotating rod, and the fixing ring is arranged at the rear side of the fourth synchronous wheel.

[0022] The torsion spring is sleeved on the outer surface of the rotating rod, the front end of the torsion spring is fixedly connected to the rear side of the fixing ring, and the rear end of the torsion spring is fixedly connected to the rear wall of the second transmission groove.

[0023] (Three) beneficial effects: compared with the prior art, the utility model provides a kind of turnover device for liquid crystal screen production, with following beneficial effects:

[0024] (1), the turnover device for liquid crystal screen production, downwardly presses foot pedal, and foot pedal drives control rod to start rotating synchronously, after transmission, liquid crystal screen will rotate, and then staff can detect the outer surface of liquid crystal screen, and the rotating speed of liquid crystal screen can change according to the treading speed of staff, by this way, staff detects the outer surface of liquid crystal screen at the same time, can control liquid crystal screen turnover by foot freely, and then the turnover speed of liquid crystal screen can be freely adjusted according to the speed of staff, so that the convenience of staff detection is improved, and the practicability of turnover device is improved.

[0025] (2), the turnover device for liquid crystal screen production, when pressing foot pedal, rotating rod will drive fixing ring to rotate synchronously, and then torsion spring starts to deform, after detection, release foot pedal, and then torsion spring starts to reset from deformed state, and then torsion spring drives fixing ring to reset synchronously, fixing ring drives rotating rod to reset synchronously, according to the above, liquid crystal screen will start to reset, by this way, after detecting liquid crystal screen, it is automatically reset, and then it is convenient to take down liquid crystal screen. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is a structure schematic view of the turnover device for liquid crystal screen production of the utility model;

[0027] Figure 2 It is a sectional view of base and fixed block connecting structure of the utility model;

[0028] Figure 3 It is Figure 2 the enlarged schematic view of A of the utility model;

[0029] Figure 4 It is Figure 2 the enlarged schematic view of B of the utility model.

[0030] In the figure: 1, workbench; 2, movable plate; 3, first clamping block; 4, rotating shaft; 5, sliding groove; 6, sliding block; 7, motor assembly; 8, threaded rod; 9, fixed plate; 10, second clamping block; 11, rotating shaft; 12, first transmission groove; 13, second transmission groove; 14, rotating rod; 15, first synchronous wheel; 16, second synchronous wheel; 17, first synchronous belt; 18, control rod; 19, third synchronous wheel; 20, fourth synchronous wheel; 21, second synchronous belt; 22, foot pedal; 23, fixed ring; 24, torsion spring. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0032] Please refer to Figures 1 to 4 The utility model provides a new technical scheme: a turnover device for liquid crystal screen production, including workbench 1, the upside of workbench 1 is provided with movable plate 2, the front side of movable plate 2 is provided with first clamping block 3, the rear side of first clamping block 3 is fixedly connected with rotating shaft 4, rotating shaft 4 is rotatably connected with the front side of movable plate 2, the upside of workbench 1 is provided with sliding groove 5, the inside of sliding groove 5 is slidably connected with sliding block 6, sliding block 6 and sliding groove 5 are T-shaped structure, sliding block 6 is fixedly connected with movable plate 2, the rear side of workbench 1 is fixedly connected with motor assembly 7, the output end of motor assembly 7 is fixedly connected with transmission shaft, the front end of transmission shaft rotatably extends into the inside of sliding groove 5, the front end of transmission shaft is fixedly connected with threaded rod 8, the front end of threaded rod 8 is screwed through sliding block 6, the front end of threaded rod 8 is rotatably connected with the front wall of sliding groove 5, the upside of workbench 1 is fixedly connected with fixed plate 9, the rear side of fixed plate 9 is provided with second clamping block 10, the front side of second clamping block 10 is fixedly connected with rotating shaft 11, the front end of rotating shaft 11 rotatably extends into the inside of fixed plate 9, workbench 1 and fixed plate 9 are provided with control mechanism, the control mechanism can be controlled by the way of stepping on, to drive liquid crystal screen to freely overturn, and the control mechanism includes first transmission groove 12, second transmission groove 13, rotating rod 14, first synchronous wheel 15, second synchronous wheel 16, control rod 18, third synchronous wheel 19, fourth synchronous wheel 20, foot pedal 22, fixed ring 23 and torsion spring 24.

[0033] Further, the first transmission groove 12 is arranged in the inside of the fixed plate 9 and the workbench 1, the front end of the rotating shaft 11 rotates and extends into the inside of the first transmission groove 12, the front end of the rotating shaft 11 is rotatably connected to the front wall of the first transmission groove 12, the second transmission groove 13 is arranged in the inside of the workbench 1, the second transmission groove 13 is arranged at the rear side of the first transmission groove 12, the inside of the second transmission groove 13 is communicated with the inside of the first transmission groove 12, the second transmission groove 13 is an L-shaped groove, the left wall of the second transmission groove 13 extends out of the left side of the workbench 1, the rotating rod 14 is rotatably connected to the rear wall of the second transmission groove 13, the front end of the rotating rod 14 is rotatably connected to the front wall of the first transmission groove 12, the first synchronous wheel 15 is fixedly sleeved on the outer surface of the rotating shaft 11, the second synchronous wheel 16 is fixedly sleeved on the outer surface of the rotating rod 14, the first synchronous wheel 15 and the second synchronous wheel 16 are drivingly connected by the first synchronous belt 17, and the control rod 18 is arranged in the inside of the second transmission groove 13.

[0034] Further, the front and rear ends of the control rod 18 are rotatably connected to the front and rear walls of the second transmission groove 13 respectively, the control rod 18 is arranged at the left side of the rotating rod 14, the third synchronous wheel 19 is fixedly sleeved on the outer surface of the control rod 18, the fourth synchronous wheel 20 is fixedly sleeved on the outer surface of the rotating rod 14, the third synchronous wheel 19 and the fourth synchronous wheel 20 are drivingly connected by the second synchronous belt 21, the foot pedal 22 is fixedly connected to the outer surface of the control rod 18, the left side of the foot pedal 22 extends out of the left side of the workbench 1, the foot pedal 22 does not contact the third synchronous wheel 19 and the second synchronous belt 21, the fixed ring 23 is fixedly sleeved on the outer surface of the rotating rod 14, the fixed ring 23 is arranged at the rear side of the fourth synchronous wheel 20, the torsion spring 24 is sleeved on the outer surface of the rotating rod 14, the front end of the torsion spring 24 is fixedly connected to the rear side of the fixed ring 23, and the rear end of the torsion spring 24 is fixedly connected to the rear wall of the second transmission groove 13.

[0035] When starting work, first place the liquid crystal screen between the first clamping block 3 and the second clamping block 10 on the upper side of the workbench 1, then start the motor assembly 7, the motor assembly 7 starts to transmit power from the output end, drives the transmission shaft to rotate, the transmission shaft drives the threaded rod 8 to rotate synchronously, the threaded rod 8 drives the threaded sliding block 6 to start moving forward, the sliding block 6 drives the movable plate 2 to move forward synchronously, and then the first clamping block 3 and the second clamping block 10 will clamp and fix the liquid crystal screen, then the worker rotates the liquid crystal screen, the worker steps on the foot pedal 22, the foot pedal 22 drives the control rod 18 to start rotating synchronously, the control rod 18 drives the third synchronous wheel 19 to rotate synchronously, the third synchronous wheel 19 drives the fourth synchronous wheel 20 to rotate synchronously through the second synchronous belt 21, the fourth synchronous wheel 20 drives the rotating rod 14 to rotate synchronously, the rotating rod 14 drives the second synchronous wheel 16 to rotate synchronously, the second synchronous wheel 16 drives the first synchronous wheel 15 to rotate synchronously through the first synchronous belt 17, the first synchronous wheel 15 drives the rotating shaft 11 to rotate synchronously, the rotating shaft 11 drives the second clamping block 10 to rotate synchronously, and then the second clamping block 10 drives the liquid crystal screen and the first clamping block 3 to rotate synchronously.

[0036] Then the worker can detect the outer surface of the liquid crystal screen, the rotation speed of the liquid crystal screen will change according to the stepping speed of the worker, at the same time the rotating rod 14 drives the fixed ring 23 to rotate synchronously, and then the torsional spring 24 starts to deform, and then the foot pedal 22 is released after detection, and then the torsional spring 24 starts to reset from the deformed state, and then the torsional spring 24 drives the fixed ring 23 to reset synchronously, the fixed ring 23 drives the rotating rod 14 to reset synchronously, according to the above, the liquid crystal screen will start to reset, in this way, the worker can control the liquid crystal screen to flip freely through the foot while detecting the outer surface of the liquid crystal screen, and then the flipping speed of the liquid crystal screen can be freely adjusted according to the speed of the worker, so that the convenience of the worker during detection is improved, and the practicality of the flipping device is improved.

[0037] Working principle: when starting work, first put the liquid crystal screen on the upper side of the workbench 1, between the first clamp block 3 and the second clamp block 10, then start the motor assembly 7, the motor assembly 7 starts to transmit power from the output end, drives the transmission shaft to rotate, the transmission shaft drives the threaded rod 8 to rotate synchronously, the threaded rod 8 drives the threaded sliding block 6 to start moving forward, the sliding block 6 drives the movable plate 2 to move forward synchronously, and then the first clamp block 3 and the second clamp block 10 will clamp and fix the liquid crystal screen, then the worker rotates the liquid crystal screen, the worker steps on the foot pedal 22, the foot pedal 22 drives the control rod 18 to start rotating synchronously, the control rod 18 drives the third synchronous wheel 19 to rotate synchronously, the third synchronous wheel 19 drives the fourth synchronous wheel 20 to rotate synchronously through the second synchronous belt 21, the fourth synchronous wheel 20 drives the rotating rod 14 to rotate synchronously, the rotating rod 14 drives the second synchronous wheel 16 to rotate synchronously, the second synchronous wheel 16 drives the first synchronous wheel 15 to rotate synchronously through the first synchronous belt 17, the first synchronous wheel 15 drives the rotating shaft 11 to rotate synchronously, the rotating shaft 11 drives the second clamp block 10 to rotate synchronously, and then the second clamp block 10 drives the liquid crystal screen and the first clamp block 3 to rotate synchronously.

[0038] Then the worker can detect the outer surface of the liquid crystal screen, the rotating speed of the liquid crystal screen will change according to the stepping speed of the worker, at the same time the rotating rod 14 drives the fixed ring 23 to rotate synchronously, and then the torsional spring 24 starts to deform, and then the foot pedal 22 is released, and then the torsional spring 24 starts to reset from the deformed state, and then the torsional spring 24 drives the fixed ring 23 to reset synchronously, and the fixed ring 23 drives the rotating rod 14 to reset synchronously, according to the above, the liquid crystal screen will start to reset.

[0039] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A flipping device for LCD screen production, comprising a workbench (1), a fixing plate (9) fixedly connected to the upper side of the workbench (1), and a second clamping block (10) provided on the rear side of the fixing plate (9). The front side of the second clamping block (10) is fixedly connected to a rotating shaft (11), the front end of which extends rotatably into the interior of the fixed plate (9). The feature is that: The workbench (1) and the fixed plate (9) are equipped with control mechanisms. The control mechanisms can be controlled by stepping on them, thereby causing the LCD screen to rotate freely. The control mechanism includes a first transmission groove (12), a second transmission groove (13), a rotating rod (14), a first synchronous pulley (15), a second synchronous pulley (16), a control rod (18), a third synchronous pulley (19), a fourth synchronous pulley (20), a foot pedal (22), a fixing ring (23), and a torsion spring (24).

2. The flipping device for LCD screen production according to claim 1, characterized in that: The workbench (1) is provided with a movable plate (2) on its upper side. A first clamping block (3) is provided on the front side of the movable plate (2). A rotating shaft (4) is fixedly connected to the rear side of the first clamping block (3). The rotating shaft (4) is rotatably connected to the front side of the movable plate (2). A sliding groove (5) is provided on the upper side of the workbench (1). A sliding block (6) is slidably connected inside the sliding groove (5). Both the sliding block (6) and the sliding groove (5) are T-shaped structures. The sliding block (6) is fixedly connected to the movable plate (2). A motor assembly (7) is fixedly connected to the rear side of the workbench (1). A drive shaft is fixedly connected to the output end of the motor assembly (7). The front end of the drive shaft rotates and extends into the interior of the sliding groove (5). A threaded rod (8) is fixedly connected to the front end of the drive shaft. The threaded end of the threaded rod (8) passes through the sliding block (6), and the front end of the threaded rod (8) is rotatably connected to the front wall of the sliding groove (5).

3. The flipping device for LCD screen production according to claim 1, characterized in that: The first transmission groove (12) is opened inside the fixed plate (9) and the worktable (1), and the front end of the rotating shaft (11) extends into the interior of the first transmission groove (12). The front end of the rotating shaft (11) is rotatably connected to the front wall of the first transmission groove (12), and the second transmission groove (13) is opened inside the workbench (1). The second transmission groove (13) is located on the rear side of the first transmission groove (12). The interior of the second transmission groove (13) is connected to the interior of the first transmission groove (12), and the second transmission groove (13) is an L-shaped groove.

4. The flipping device for LCD screen production according to claim 3, characterized in that: The left wall of the second transmission groove (13) extends out of the left side of the workbench (1), and the rotating rod (14) is rotatably connected to the rear wall of the second transmission groove (13). The front end of the rotating rod (14) is rotatably connected to the front wall of the first transmission groove (12), the first synchronous wheel (15) is fixedly sleeved on the outer surface of the rotating shaft (11), and the second synchronous wheel (16) is fixedly sleeved on the outer surface of the rotating rod (14). A first synchronous belt (17) is connected between the first synchronous pulley (15) and the second synchronous pulley (16), and a control lever (18) is located inside the second transmission groove (13).

5. The flipping device for LCD screen production according to claim 1, characterized in that: The front and rear ends of the control rod (18) are rotatably connected to the front and rear walls of the second transmission groove (13) respectively, and the control rod (18) is located on the left side of the rotating rod (14); The third synchronous pulley (19) is fixedly sleeved on the outer surface of the control rod (18), and the fourth synchronous pulley (20) is fixedly sleeved on the outer surface of the rotating rod (14); A second synchronous belt (21) is connected between the third synchronous pulley (19) and the fourth synchronous pulley (20), and the foot pedal (22) is fixedly connected to the outer surface of the control lever (18).

6. The flipping device for LCD screen production according to claim 5, characterized in that: The left side of the foot pedal (22) extends out of the left side of the workbench (1), and the fixing ring (23) is fixedly sleeved on the outer surface of the rotating rod (14). The fixing ring (23) is located on the rear side of the fourth synchronous pulley (20). A torsion spring (24) is sleeved on the outer surface of the rotating rod (14). The front end of the torsion spring (24) is fixedly connected to the rear side of the fixed ring (23), and the rear end of the torsion spring (24) is fixedly connected to the rear wall of the second transmission groove (13).

Images