Support for detecting multiple polarizing sheets

Abstract

The utility model relates to polarizing plate detection technical field especially, a kind of support of polarizing plate detection multiple piece including load frame and carrier plate;Load frame is rectangular frame, four edges inside are all equipped with the carrier plate for carrying polarizing plate;Further include direct current electric air pump and bellows;Carrier plate is set hollow, several air holes are equidistantly set on its upside;The four edges outside of load frame are all equipped with direct current electric air pump;Every direct current electric air pump and corresponding carrier plate are all communicated with bellows;The upside of the opposite two sides of load frame is equipped with convex part, the downside of the opposite two sides of load frame is equipped with recess, and convex part and recess are mutually matched.The utility model is pumped by the air hole and guide bar design on carrier plate, in combination with the suction force of direct current electric air pump, the accurate positioning and firm fixation of polarizing plate are realized, the displacement or damage caused by mechanical vibration or uneven stress is avoided, and the efficiency and reliability of detection are significantly improved.

Description

Technical Field

[0001] This utility model relates to the field of polarizer detection technology, and in particular to a bracket for detecting multiple polarizers. Background Technology

[0002] As a key optical component of LCD displays, the performance and quality of polarizers directly affect the imaging effect of the display. Therefore, they need to undergo rigorous optical testing during the production process to ensure that parameters such as transmittance, polarization degree, and uniformity meet the standards. Currently, polarizer testing mainly relies on automated optical inspection equipment, which uses high-precision cameras and optical sensors for scanning and analysis. However, existing testing technologies still face many challenges when processing multiple polarizers in batches. First, because polarizers are thin and easily deformable, it is difficult to ensure that each polarizer is accurately positioned when multiple polarizers are tested simultaneously. Positioning deviations may lead to inaccurate test data and even affect subsequent palletizing and packaging processes. Although traditional mechanical clamping or vacuum adsorption methods can fix polarizers, they are prone to displacement or damage due to uneven force, thereby reducing the reliability of the test. In addition, after the existing equipment completes the testing, it usually requires additional mechanical mechanisms (such as robotic arms or conveyor belts) to transfer the polarizers one by one to the palletizing area for stacking and packaging. This process not only increases the complexity and cost of the equipment but also reduces production efficiency. Utility Model Content

[0003] To overcome the shortcomings of existing polarizer testing technology, such as insufficient positioning accuracy and easy material damage when testing multiple polarizers simultaneously, and the need for additional stacking mechanisms after testing, which leads to complex equipment and low efficiency, this utility model provides a bracket for testing multiple polarizers.

[0004] The technical solution of this utility model is as follows: a bracket for detecting multiple polarizers, including a frame and a carrier plate; the frame is a rectangular frame, and carrier plates for supporting polarizers are installed on the inner sides of all four sides; it also includes a DC electric air pump and a corrugated pipe; the carrier plate is hollow, and a number of air holes are equidistantly opened on its upper side; a DC electric air pump is installed on the outer sides of all four sides of the frame; each DC electric air pump is connected to the corresponding carrier plate by a corrugated pipe; the upper sides of the opposite sides of the frame are provided with protrusions, and the lower sides of the opposite sides of the frame are provided with concave parts, and the protrusions and concave parts match each other.

[0005] More preferably, tie rods are installed on both sides of the frame.

[0006] More preferably, a guide strip is provided on the side of the carrier plate near the frame to guide the polarizer to slide.

[0007] More preferably, the guide strip surface is smooth.

[0008] More preferably, the vent is an oblique vent, facing upwards away from the guide bar.

[0009] More preferably, it also includes DC electric actuators; DC electric actuators are installed at the center of the outer sides of the four sides of the frame, and the drive end of the DC electric actuator is fixedly connected to the corresponding carrier plate.

[0010] Beneficial effects: This utility model, through the design of air holes and guide strips on the carrier plate, combined with the suction force of the DC electric air pump, achieves precise positioning and firm fixation of the polarizer, avoiding displacement or damage caused by mechanical vibration or uneven force, and significantly improving the efficiency and reliability of detection. The convex and concave design of the carrier frame allows multiple carrier frames to be quickly stacked and aligned, supporting the sequential inspection of multiple polarizers without the need for additional mechanical mechanisms to transfer them one by one, simplifying the process and improving inspection efficiency. After the test is completed, by turning off the DC electric air pump and shrink carrier plate, the polarizing film can be automatically and neatly stacked under the action of gravity, eliminating the need for special palletizing equipment, reducing production costs, and improving packaging efficiency. Integrating inspection, stacking, and palletizing functions into one unit reduces equipment complexity and operational steps, thereby improving overall production efficiency and lowering manufacturing costs. Attached Figure Description

[0011] Figure 1 This is a schematic diagram of the three-dimensional structure of the support for detecting multiple polarizers according to this utility model; Figure 2 This is a schematic diagram of the stacked frame state of this utility model; Figure 3 This is a three-dimensional structural diagram of the combined frame, carrier plate, DC electric air pump, and corrugated pipe of this utility model.

[0012] The markings in the diagram are: 1-Carrier frame, 1001-Protrusion, 1002-Recess, 1003-Tie rod, 2-Carrier plate, 2001-Air hole, 2002-Guide strip, 3-DC electric air pump, 4-Corrugated pipe, 5-DC electric push rod. Detailed Implementation

[0013] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments, but this does not limit the scope of protection and application of the present invention.

[0014] Example 1: A bracket for detecting multiple polarizers, such as... Figures 1-3 As shown, it includes a frame 1 and a carrier plate 2; the frame 1 is a rectangular frame, and the carrier plate 2 is installed on the inner sides of all four sides; It also includes a DC electric air pump 3 and a corrugated pipe 4; the carrier plate 2 is hollow, and a number of air holes 2001 are equally spaced on its upper side; DC electric air pumps 3 are installed on the four outer sides of the carrier frame 1; each DC electric air pump 3 is connected to the corresponding carrier plate 2 by a corrugated pipe 4; the upper sides of the front and rear sides of the carrier frame 1 are provided with protrusions 1001, and the lower sides of the front and rear sides of the carrier frame 1 are provided with recesses 1002, and the protrusions 1001 and the recesses 1002 match each other.

[0015] Pull rods 1003 are installed on both the left and right sides of the frame 1 to facilitate the inspection personnel to hold and move the frame 1.

[0016] A guide strip 2002 is provided on the side of the carrier plate 2 near the carrier frame 1 to guide the polarizer to achieve precise alignment.

[0017] The guide bar 2002 has a smooth surface. The smooth surface can reduce the resistance between the polarizer and the guide bar 2002, making it easier to slide and improving positioning efficiency and accuracy.

[0018] The vent 2001 is an oblique hole, facing away from the guide bar 2002 from bottom to top. When the polarizer is fixed by drawing air through the vent 2001, its oblique structure generates a pulling force on the polarizer to the outside, which helps the polarizer to flatten on the carrier plate 2.

[0019] It also includes a DC electric actuator 5; DC electric actuators 5 are installed on the middle of the outer sides of the four sides of the frame 1, and the driving end of the DC electric actuator 5 is fixedly connected to the corresponding carrier plate 2.

[0020] In the polarizer stacking inspection process, the robotic arm uses an electric suction cup to pick up a single polarizer and transfers it to the top of the four carrier plates 2 of the carrier frame 1. Then, the robotic arm lowers the polarizer, and the edge of the polarizer slides down along the smooth surface of the guide strip 2002, finally being stably positioned on the carrier plate 2 and tightly fitted with the air hole 2001. At this time, the DC electric air pump 3 is started, and air is pumped into the cavity of the carrier plate 2 through the bellows 4, so that the air hole 2001 generates a downward suction force, thereby firmly fixing the polarizer in the predetermined position, effectively avoiding displacement problems caused by mechanical vibration, and ensuring the positioning accuracy of subsequent inspections.

[0021] After the single-piece fixing is completed, multiple polarizers are fixed on different carrier frames 1 according to the same process. During testing, the first carrier frame 1 carrying the polarizer is placed on the testing platform for transmittance and polarization degree testing. The obtained data is compared with the preset database. If the test is qualified, the second carrier frame 1 is stacked on top of the first carrier frame 1 through the precise fit of the protrusion 1001 and the concave part 1002. After ensuring that the two polarizers are completely aligned, the test is performed again. The subsequent carrier frames 1 are stacked and tested in sequence according to this process. If a piece is found to be unqualified, the carrier frame 1 is immediately moved to the unqualified product area and the subsequent testing process continues.

[0022] To meet the testing requirements of polarizers of different sizes, a DC electric push rod 5 is equipped on the carrier frame 1, which can precisely adjust the spacing between the carrier plates 2. When the number of qualified polarizers stacked and tested reaches the packaging requirements, the testing process is paused, and the entire stacked carrier frame 1 is transferred to the packaging line. In the packaging process, the DC electric air pump 3 is first turned off to release the suction of the air hole 2001, and then all DC electric push rods 5 are controlled to retract simultaneously, so that the carrier plate 2 is completely separated from the polarizer. At this time, the polarizer falls naturally under the action of gravity, and the neat stacking is automatically completed. Finally, the empty carrier frame 1 is removed, and the stacked polarizers can be directly packaged. This not only saves the need for special stacking equipment and reduces production costs, but also significantly improves production efficiency.

[0023] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present invention.

Claims

1. A bracket for detecting multiple polarizers, comprising a frame (1) and a carrier plate (2); the frame (1) is a rectangular frame, and the carrier plate (2) for supporting polarizers is installed on the inner sides of all four sides; characterized in that: It also includes a DC electric air pump (3) and a corrugated pipe (4); the carrier plate (2) is hollow and has several air holes (2001) equidistantly opened on its upper side; DC electric air pumps (3) are installed on the four outer sides of the carrier frame (1); each DC electric air pump (3) is connected to the corresponding carrier plate (2) by a corrugated pipe (4); the upper sides of the opposite sides of the carrier frame (1) are provided with protrusions (1001) and the lower sides of the opposite sides of the carrier frame (1) are provided with recesses (1002), and the protrusions (1001) and the recesses (1002) match each other.

2. The bracket for detecting multiple polarizers according to claim 1, characterized in that: Tie rods (1003) are installed on both sides of the frame (1).

3. The bracket for detecting multiple polarizers according to claim 1, characterized in that: A guide strip (2002) is provided on the side of the carrier plate (2) near the carrier frame (1) to guide the polarizer to slide.

4. The bracket for detecting multiple polarizers according to claim 3, characterized in that: The guide bar (2002) has a smooth surface.

5. A bracket for detecting multiple polarizers according to claim 4, characterized in that: The vent (2001) is an oblique hole, facing upwards away from the guide bar (2002).

6. The bracket for detecting multiple polarizers according to claim 1, characterized in that: It also includes a DC electric push rod (5); DC electric push rods (5) are installed on the middle of the outer sides of the four sides of the frame (1), and the driving end of the DC electric push rod (5) is fixedly connected to the corresponding carrier plate (2).

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