Scratch-proof examination table

Abstract

The application discloses a scratch-avoiding inspection table, which comprises a support, a water storage tank, an inspection carrier plate and a driving mechanism, the inspection carrier plate is vertically slidably arranged in the water storage tank, and the inspection carrier plate is vertically slidably arranged on the support; a limiting block is arranged on the water storage tank to limit the vertical moving range of the inspection carrier plate on the water storage tank; the driving mechanism is arranged on the support and is used for driving the vertical movement of the inspection carrier plate; and a plurality of convex points are arranged on the inspection carrier plate. The application breaks through the conventional inspection table, and the convex points are arranged on the inspection carrier plate to reduce the contact area between glasses, thereby reducing the risk of scratches. Meanwhile, the water storage tank is arranged, when the glasses are placed, the water buffer and the buoyancy of the water on the glasses are utilized to reduce the pressure of the glasses on the convex points, and the risk of scratches of the glasses is further reduced. In addition, the height of the inspection glasses is adjusted by the driving mechanism, and the labor intensity of workers is reduced.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of liquid crystal panel production, and particularly relates to a scratch-avoiding inspection table. BACKGROUND

[0002] The development of liquid crystal panels gradually develops towards 'high definition' and 'high brightness', and the shortcoming brought by 'high definition' and 'high brightness' is that the requirement for surface scratch is higher and higher. TFT-LCD liquid crystal display panels are prone to scratch and other defects in the thinning process, and need to be continuously inspected in the processing process. The glass placed on the inspection table can also cause surface scratch. SUMMARY

[0003] In view of the defects in the prior art, the main purpose of the present application is to overcome the defects in the prior art, and disclose a scratch-avoiding inspection table. The scratch-avoiding inspection table comprises a support, a water storage tank, an inspection carrier plate and a driving mechanism. The inspection carrier plate is vertically slidably arranged in the water storage tank and is vertically slidably arranged on the support. A limiting block is arranged on the water storage tank to limit the vertical movement range of the inspection carrier plate on the water storage tank. The driving mechanism is arranged on the support and is used to drive the vertical movement of the inspection carrier plate. A plurality of convex points are arranged on the inspection carrier plate.

[0004] Further, the inspection carrier plate is in the shape of a concave character, and guide plates are arranged on both sides and extend to both sides. The guide plates are slidably connected with the support and the water storage tank.

[0005] Further, at least two first guide columns are arranged in parallel on opposite sides of the water storage tank, and first guide holes are arranged at positions corresponding to the guide plates. The limiting block is arranged on the upper end of the first guide column.

[0006] Further, the support comprises a bottom plate, a top plate and a second guide column. The bottom plate and the top plate are arranged in parallel. The second guide column is arranged between the bottom plate and the top plate. Second guide holes matched with the second guide column are arranged at positions corresponding to the inspection carrier plate.

[0007] Further, a plurality of through holes are arranged on the inspection carrier plate.

[0008] Further, a horizontal guide member, an air knife and a horizontal driving mechanism are further arranged. The horizontal guide member and the horizontal driving mechanism are arranged in parallel on the water storage tank. The air knife is arranged on the horizontal guide member and the horizontal driving mechanism. The horizontal driving mechanism is used to drive the horizontal movement of the air knife along the horizontal guide member. The water on the surface of the glass is blown away to one side by the air knife.

[0009] Further, the horizontal guide member is a guide rail.

[0010] Further, the horizontal driving mechanism comprises an actuator and a screw rod, the screw rod is arranged in parallel with the horizontal guide, the air knife is in threaded cooperation with the screw rod, the actuator is connected with the screw rod, and the screw rod is driven to rotate by the actuator, so that the air knife moves horizontally.

[0011] Further, the actuator is a hand crank or a motor.

[0012] The present application has the following beneficial effects:

[0013] The present application breaks the conventional test table, sets convex points on the test carrier plate to reduce the contact area between glasses, and further reduces the risk of scratching. Meanwhile, a water storage tank is added, when the glass is placed, the water buffer and the buoyancy of water on the glass are used to reduce the pressure of the glass on the convex point, and further reduce the risk of glass scratching. In addition, the height of the test glass is adjusted by the driving mechanism to reduce the labor intensity of the workers. The air knife is added to clean the surface of the glass, reduce the influence of water on the test result, and clean the surface of the glass to improve the accuracy of the test. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a structure schematic diagram of the test table for preventing scratching of the present application;

[0015] Figure 2 It is a structure schematic diagram of the test table for preventing scratching of the present application; Figure 1

[0016] Figure 3 It is a structure schematic diagram of the water storage tank;

[0017] Figure 4 It is a structure schematic diagram of the test carrier plate;

[0018] Figure 5 It is a structure schematic diagram of the support;

[0019] Figure 6 It is a structure schematic diagram of the horizontal guide, the air knife and the horizontal driving mechanism;

[0020] Figure 7 It is a use initial state diagram of the test table for preventing scratching of the present application;

[0021] Figure 8 It is a use state diagram of the test table for preventing scratching of the present application;

[0022] The following are the reference signs:

[0023] ​1, support, 2, water storage tank, 3, test carrier plate, 4, driving mechanism, 5, limiting block, 6, horizontal guide, 7, air knife, 8, horizontal driving mechanism, 9, glass, 11, bottom plate, 12, top plate, 13, second guide column, 21, first guide column, 31, convex point, 32, guide plate, 33, first guide hole, 34, second guide hole, 35, through hole, 81, actuator, 82, screw rod. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical scheme and advantages of the present application more clear, the present application is further described in detail below with reference to the drawings and examples. It should be understood that the specific examples described herein are only used to explain the present application and are not used to limit the present application.

[0025] A scratch-avoiding test table, such as Figures 1-4As shown, it comprises a support 1, a water storage tank 2, an inspection carrier plate 3 and a driving mechanism 4. The inspection carrier plate 3 is vertically slidably arranged in the water storage tank 1, so that the height position of the inspection carrier plate 3 in the water storage tank 1 can be adjusted. A limiting block 5 is arranged on the water storage tank 2, which is used to limit the highest upward moving position of the inspection carrier plate 3 relative to the water storage tank 2. In addition, the inspection carrier plate 3 is vertically slidably connected with the support 1, that is, the height position of the inspection carrier plate 3 on the support 1 can be adjusted. The driving mechanism 4 is arranged on the support 1, which drives the vertical movement of the inspection carrier plate. The driving mechanism 4 comprises, but is not limited to, a pneumatic cylinder. In order to improve the stability of the vertical movement of the inspection carrier plate 3 and reduce the load of a single pneumatic cylinder, two pneumatic cylinders are arranged symmetrically to drive the two ends of the inspection carrier plate 3. The inspection carrier plate 4 is used to place the glass 9, so as to facilitate the worker to inspect the surface of the glass 9. A plurality of convex points 31 are arranged on the inspection carrier plate 4. Preferably, the convex points 31 are arranged in a row. By arranging the convex points 31, the contact area between the glass 9 and the inspection carrier plate 3 is reduced, and the possibility of scratching is reduced. In addition, the convex points 31 are usually made of silica gel material, which is soft and will not cause scratches on the surface of the glass 9, and will not shed like fabric. In this embodiment, the water storage tank 2 is filled with water, which is preferably pure water, such as distilled water. When in use, the driving mechanism 4 is reset, so that the water storage tank 2 and the inspection carrier plate 3 are in the lowest position. At this time, the inspection carrier plate 3 is submerged in water, and the worker places the glass 9 to be inspected into the water storage tank 2. Because water has a buffering effect on the glass 9, and the glass 9 has buoyancy in water, the possibility of damage to the glass 9 is reduced. In addition, water can clean the surface of the glass 9 to avoid false detection of the glass 9 due to dirt. After the glass 9 is placed, its position on the inspection carrier plate 3 is adjusted. At this time, the water acts as a lubricant between the glass 9 and the convex points 31, and due to the buoyancy of the water, the pressure between the glass 9 and the convex points 31 is reduced, thereby avoiding scratching of the glass 9. When inspecting, the driving mechanism 4 drives the inspection carrier plate 3 to move upward. When the inspection carrier plate 3 contacts the limiting block 5, the driving mechanism 4 continues to drive the inspection carrier plate 3 to move upward, driving the water storage tank 2 to move upward synchronously, thereby raising the height of the inspection carrier plate 3, so that the worker can inspect the glass 9 at a comfortable height, reducing the working strength of the worker. Usually, the limiting block 5 limits the upward movement of the inspection carrier plate 3 to the limit position, so that the upper surface of the glass 9 is on the same plane as the upper surface of the water storage tank 2 after the glass 9 is placed on the inspection carrier plate 3. At this position, even if an accident occurs, the glass 9 will be blocked by the side wall of the water storage tank 2 and will not fall out.

[0026] In an embodiment, as Figures 1-4As shown, the test carrier plate 3 is in the shape of a concave, and the two side edges extend to provide guide plates 32, which are in sliding connection with the support 1 and the water storage tank 2. Specifically, the opposite two side edges of the water storage tank 2 are respectively provided with at least two first guide columns 21 arranged in parallel, and the first guide holes 33 are arranged at the corresponding positions of the guide plates 32, and the limiting blocks 5 are arranged at the upper ends of the first guide columns 32. Generally, two first guide columns 21 are arranged in parallel at each side edge of the water storage tank 2.

[0027] In an embodiment, as shown in the drawings, Figures 1-5 As shown, the support 1 includes a bottom plate 11, a top plate 12, and second guide columns 13 arranged between the bottom plate 11 and the top plate 12 for supporting the bottom plate 11 and the top plate 12. Of course, support columns can also be added between the bottom plate 11 and the top plate 12 to reduce the strength of the second guide columns 13. Specifically, four second guide columns 13 are arranged in a rectangular arrangement at the edges of the bottom plate 11. In addition, the corresponding positions of the test carrier plate 3 are provided with second guide holes 34, which are matched with the second guide columns 13 to guide the vertical movement of the test carrier plate 3 by the second guide columns 13.

[0028] In an embodiment, as shown in the drawings, Figures 1-5 As shown, a plurality of through holes 35 are arranged on the test carrier plate 3. The through holes 35 are used for drainage to reduce the resistance of water to the test carrier plate 3 when the test carrier plate 3 is moved up or down.

[0029] In an embodiment, as shown in the drawings, Figures 1-6 As shown, the horizontal guide 6 and the horizontal driving mechanism 8 are arranged in parallel on the water storage tank 2, and the air knife 7 is arranged on the horizontal guide 6 and the horizontal driving mechanism 8; wherein the horizontal guide 6 is a guide rail, and two guide rails are arranged on the upper surfaces of the two side walls of the water storage tank 2, respectively. Preferably, the guide rail is a dovetail guide rail. The horizontal driving mechanism 8 drives the air knife 7 to move horizontally along the horizontal guide 6, and at the same time, the air knife 7 blows the water on the surface of the glass 9 to one side. Generally, the blowing direction of the air knife 7 is 30-60° to the surface of the glass 9. By arranging the air knife 7, the water is blown away, which avoids the influence of the water on the worker's inspection of the glass 9, and also cleans the surface of the glass 9 again, which is more conducive to the worker's inspection of the glass 9. The air knife 7 only blows and washes the upper surface of the glass 9, and the lower surface of the glass 9 still has water, i.e. the water between the convex point 31 and the glass 9 serves as lubrication to reduce the friction between them, thereby reducing the risk of scratching the glass 9, and the glass 9 can be adjusted in a small range.

[0030] The horizontal drive mechanism 8 can be a cylinder; however, it can also be any other mechanism capable of driving the air knife 7 to move horizontally. Specifically, the horizontal drive mechanism 8 includes an actuator 81 and a lead screw 82. The lead screw 82 is arranged parallel to the horizontal guide member 6, and the air knife 7 is threadedly engaged with the lead screw 82. The actuator 81 is connected to the lead screw 82. The actuator 81 can be a motor, which drives the lead screw 82 to rotate, thereby driving the air knife 7 to move horizontally along the direction guided by the horizontal guide member 6. Conventionally, to increase torque and reduce speed, a gearbox can be added, i.e., the motor is connected to the lead screw 82 through the gearbox. Of course, the actuator 81 can also be a hand crank, which is operated manually by the worker to control the movement speed of the air knife 7 according to the worker's actual needs.

[0031] In one embodiment, such as Figure 1 As shown, lighting fixtures can be installed on the top plate 12 to increase the illumination for workers during inspection.

[0032] When using this invention, as Figures 1-8 As shown, water is injected into the water tank 2, and the drive mechanism 4 is in a retracted state. At this time, because the inspection carrier plate 3 is positioned low, the worker can easily place the glass 9 onto it, which greatly reduces the worker's workload compared to directly lifting it onto the inspection table. After the glass 9 is placed, its position is adjusted, and then the drive mechanism 4 is controlled by the PLC to drive the inspection carrier plate 3 upward until it contacts the limit block 5, which then drives the water tank 2 upward synchronously. At this point, the glass 9 is above the water level in the water tank 2 and is located at the opening of the water tank 2. The drive mechanism 4 raises the glass 9 to a suitable inspection position for the worker, and then the air knife 7 is activated. The horizontal drive mechanism 8 drives the air knife 7 to move to the other side to remove the water from the surface of the glass 9, and then the air knife is reset. Finally, the worker inspects the glass 9.

[0033] The above are merely preferred embodiments of the present invention and are not intended to limit the scope of the present invention. Any modifications or equivalent substitutions made to the present invention without departing from the spirit and scope thereof should be covered within the protection scope of the claims of the present invention.

Claims

1. An inspection table for avoiding scratching, characterized by, Including support, water storage tank, test carrier plate and driving mechanism, the test carrier plate is vertically slidingly arranged in the water storage tank, and the test carrier plate is vertically slidingly arranged on the support, the limiting block is arranged on the water storage tank to limit the vertical movement range of the test carrier plate on the water storage tank, the driving mechanism is arranged on the support, and the driving mechanism is used to drive the vertical movement of the test carrier plate, and a plurality of convex points are arranged on the test carrier plate; When in use, the driving mechanism is reset, so that the water storage tank and the test carrier plate are in the lowest position, at this time, the test carrier plate is submerged in water, the staff puts the glass to be tested into the water storage tank, adjusts the position of the glass after the glass is put in, and then drives the test carrier plate to move upward by the PLC control driving mechanism until the test carrier plate contacts with the limiting block, drives the water storage tank to move upward synchronously, at this time, the glass is higher than the water level in the water storage tank and is located at the opening of the water storage tank.

2. An inspection table according to claim 1, wherein, The test carrier plate is concave-shaped, and the guide plates are arranged on the two side edges extending to both sides, and the guide plates are slidingly connected with the support and the water storage tank.

3. An inspection table to avoid scratching according to claim 2, characterized in that, The opposite two side edges of the water storage tank are respectively provided with at least two first guide columns arranged in parallel, and the first guide holes are arranged at the corresponding positions of the guide plates, and the limiting block is arranged at the upper end of the first guide column.

4. The scratch-resistant inspection table of claim 1, wherein, The support includes a bottom plate, a top plate and a second guide column, the bottom plate and the top plate are arranged in parallel, the second guide column is arranged between the bottom plate and the top plate, and the second guide hole matched with the second guide column is arranged at the corresponding position of the test carrier plate.

5. The scratch-resistant inspection table of claim 1, wherein, A plurality of through holes are arranged on the test carrier plate.

6. The scratch-resistant inspection table of claim 1, wherein, It also includes a horizontal guide, a wind knife and a horizontal driving mechanism, the horizontal guide and the horizontal driving mechanism are arranged in parallel on the water storage tank, the wind knife is arranged on the horizontal guide and the horizontal driving mechanism, the horizontal driving mechanism is used to drive the wind knife to move horizontally along the horizontal guide, and the water on the surface of the glass is blown away to one side by the wind knife.

7. An inspection table to avoid scratching according to claim 6, characterized in that, The horizontal guide is a guide rail.

8. An inspection table to avoid scratching according to claim 6, characterized in that, The horizontal driving mechanism includes an actuator and a lead screw, the lead screw is arranged in parallel with the horizontal guide, the wind knife is threadedly matched with the lead screw, the actuator is connected with the lead screw, the actuator is used to drive the lead screw to rotate, so that the wind knife moves horizontally.

9. An inspection table to avoid scratching according to claim 8, characterized in that, The actuator is a hand crank or a motor.

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