A display screen rotation and translation device

Abstract

The utility model relates to the technical field of display screen detection auxiliary equipment, concretely is a kind of display screen rotation translation device.It includes door type stand that is set left and right symmetry, and the support crossbeam of front and back symmetry is equipped in two stand top;Crossbeam top is equipped with the slide platform that can slide left and right. Fixed vertical rodless air cylinder alpha on slide platform, its sliding seat alpha is hinged telescopic air cylinder, and telescopic air cylinder output shaft connects obtuse angle 7 character shape rotating block, and rotating block bottom fixed ladder shape truss, and truss left side fixed clamp, and lower surface is equipped with left and right rodless air cylinder beta, and its sliding seat beta is fixed with the clamp mirror image symmetry of left side clamp. The device can automatically clamp display screen on conveying belt, rotate 90 degrees and translate to detection position, adapt to multiple size display screen, improve sampling randomness and efficiency, and the structure is stable and reliable.

Description

Technical Field

[0001] This utility model relates to the technical field of auxiliary equipment for display screen testing, specifically a display screen rotation and translation device. Background Technology

[0002] With the rapid development of the electronic information industry, displays have become deeply integrated into all aspects of people's production and life, with applications spanning multiple fields. Given this massive production scale, quality control of displays has become a crucial link in the enterprise's production chain. Even a tiny scratch or a hidden bubble can directly affect a product's market competitiveness, and may even lead to user complaints and a surge in after-sales costs. Therefore, establishing a scientific and efficient quality inspection system has become a core requirement for display manufacturers. The industry generally adopts a three-tiered inspection system of "initial inspection - re-inspection - random inspection," minimizing the risk of defective products entering the market through multi-stage and multi-level screening.

[0003] Initial inspection is the first line of defense in quality control, typically located at the end of each process in the display screen production line. It involves assembly line workers performing a preliminary visual inspection of the products after completing their respective processes. Re-inspection is the "core line of defense" in quality control, involving professional inspectors or machines conducting a comprehensive and meticulous visual inspection of the display screens. Sampling inspection refers to randomly selecting a certain number and batches of display screens from the re-inspected batches for re-testing to ensure the quality of the re-inspection and the overall pass rate of the display screens.

[0004] However, the efficient completion of the re-inspection process has created new challenges for subsequent random inspections. Re-inspected displays need to be temporarily stored before packaging or warehousing, and this temporary storage often results in stacking: dozens or even hundreds of displays are piled high. This stacking method directly leads to insufficient randomness in random inspections. When sampling, inspectors usually prioritize products at the top of the stack or those easily accessible, while products at the bottom or in the middle are difficult to select, creating selection bias. If substandard products happen to be concentrated at the bottom of the stack, these problems cannot be detected during random inspections, leading to substandard batches entering the market, causing customer complaints and damage to brand reputation. Therefore, to ensure randomness in random inspections, re-inspected products are often temporarily removed for testing during conveyor belt transport. However, displays on conveyor belts are usually placed upside down: screen facing down, back facing up, on a clean conveyor belt. While this placement effectively prevents direct contact between the screen and the outside environment, it creates significant inconvenience for random inspections—the inspection requires testing the screen surface, but with the screen facing down, it cannot be directly tested.

[0005] Therefore, for the purpose of random inspection, more functional requirements were put forward for the removal device. However, existing devices generally have defects and cannot meet the actual needs of the industry. Specifically, these defects are as follows: First, the function is limited and cannot achieve integrated rotation and translation. Most existing automated devices only have clamping and translation functions and cannot rotate the upside-down display screen. Since the display screen is placed upside down after re-inspection, it needs to be flipped to face up for inspection during random inspection. However, existing devices cannot perform this action, forcing inspectors to manually flip the display screen. Second, the clamping structure is fixed and has poor adaptability. The size and specifications of display screens vary greatly, and the clamping spacing of existing devices is mostly fixed, which can only adapt to one size of display screen. When enterprises need to switch to producing different sizes of display screens, they need to disassemble the original clamps, replace them with corresponding special clamps, and readjust the equipment parameters, which seriously affects production efficiency and cannot adapt to the high-speed production rhythm of the production line. Third, the adaptability to the production line is poor. Most existing automated devices are "independent designs": a separate sampling platform needs to be set up next to the production line, which increases the complexity of the equipment and the floor space required. More importantly, the stand-alone design cannot operate synchronously with the production line and cannot keep up with the transmission rhythm of the production line, resulting in some displays not being sampled during transmission, which further reduces the randomness of random inspection.

[0006] In summary, the insufficient randomness of sampling in the current display screen inspection process, along with the limitations of existing automated devices such as limited functionality, poor adaptability, and poor integration with production lines, have become key bottlenecks restricting the efficiency and accuracy of display screen quality control. Therefore, developing a new device to solve these problems has significant practical importance and application value. Utility Model Content

[0007] To address the shortcomings of existing technologies, this utility model provides a display screen rotation and translation device, which solves the problems mentioned in the background art. Technical solution

[0008] To achieve the above objectives, this utility model is implemented through the following technical solution: a display screen rotation and translation device, comprising two symmetrically arranged portal frames; characterized in that: two supporting beams are symmetrically arranged at the top front and rear between the two frames; a servo motor is provided in the middle of the upper surface of the left frame, and a pulley is fixed coaxially to its output shaft; a pulley is also provided at the top of the right frame, and the two pulleys are connected by a transmission belt; a sliding table that can slide left and right is provided at the top of the two beams; a vertical rodless cylinder A is fixed on the sliding table, and a telescopic cylinder is rotatably hinged to the sliding seat A of the rodless cylinder A in the middle of the front; an obtuse-angled 7-shaped rotating block is hinged to the end of the output shaft of the telescopic cylinder; a ladder-shaped mounting truss is fixed at the bottom of the rotating block; a clamp is fixed on the left side of the truss; a rodless cylinder B is fixed in the middle of the lower surface of the truss; the rodless cylinder B is arranged in the left and right direction, and a clamp is also fixed to the lower surface of its sliding seat B.

[0009] Preferably, the slide is located between the upper and lower ends of the transmission belt and its top is fixed to the upper end of the transmission belt by a pressure block.

[0010] Preferably, each crossbeam has a T-shaped slide rail on its upper surface in the left-right direction, and the bottom of the slide table has several T-shaped groove sliding seats that match the T-shaped slide rail symmetrically fixed in front and behind.

[0011] Preferably, the sliding seat of the rodless cylinder armor has two L-shaped auxiliary supports symmetrically arranged on both sides of the telescopic cylinder, and the bottom outer end of the auxiliary support is connected to the middle of the rotating block through a rotating shaft.

[0012] Preferably, the lower surface of the truss is symmetrically provided with two T-shaped slide rails along the left and right directions, and the upper surface of the clamp on the right side is symmetrically fixed with several T-shaped groove sliding seats that match the T-shaped slide rails.

[0013] Preferably, the clamp is truss-shaped along the front-back direction, with several L-shaped positioning clamping blocks on one side, and the positioning clamping blocks on the two clamps are mirror-symmetrical.

[0014] This utility model provides a display screen rotation and translation device, which has the following beneficial effects: 1. This device integrates the three core actions of clamping, rotation, and translation into one unit. Through the coordinated control of a servo motor, rodless cylinder A, telescopic cylinder, and rodless cylinder B, it can complete the entire process from material picking to material unloading. This avoids the subjectivity and uncertainty of manual operation, thus doubly improving sampling efficiency and stability. It is compatible with the high-speed production rhythm of modern display screen production lines, solving the long-standing bottleneck of sampling efficiency that has constrained the industry.

[0015] 2. The device uses a rodless cylinder (B) to drive the right-side clamp to move left and right, allowing for flexible adjustment of the distance between the two clamps. Combined with the long coverage of the truss-shaped clamps, it can meet the sampling inspection needs of various display screen sizes without the need to replace the clamps. Compared to existing fixed clamp devices, this significantly reduces equipment adjustment time, adapts to the "multi-variety, small-batch" production model of enterprises, and saves on clamp replacement and adjustment costs.

[0016] 3. The device adopts a portal frame design, with a hollow area at the bottom that allows the conveyor belt to pass directly through without the need for an additional sampling platform, achieving seamless integration with the production line. It can sample and return each passing display screen, avoiding the "selectivity bias" of traditional stacked sampling. By controlling the set random sampling algorithm, such as randomly selecting one display screen every 10-20 screens, it can ensure that the sampled products truly represent the quality of the entire batch, improving the reliability of the sampling results and effectively preventing unqualified batches of products from entering the market. Attached Figure Description

[0017] Figure 1 This is a three-dimensional structural diagram of the present invention; Figure 2 This is the front view of the present invention; Figure 3 for Figure 2 Enlarged view of section I; Figure 4 for Figure 2 Enlarged view of section II; Figure 5 for Figure 2 Top view; Figure 6 for Figure 2 A bottom view; Figure 7 for Figure 2 Sectional view of AA; Figure 8 for Figure 2 BB section view; Figure 9 This is a schematic diagram of the working state of this utility model; In the diagram: 1. Upright frame; 2. Crossbeam; 3. Servo motor; 301. Pulley; 302. Transmission belt; 303. Slide table; 304. Pressure block; 4. Rodless cylinder A; 401. Sliding seat A; 5. Telescopic cylinder; 501. Rotating block; 502. Auxiliary support; 503. Rotating shaft; 6. Truss; 7. Fixture; 701. Positioning clamping block; 8. Rodless cylinder B; 801. Sliding seat B; 9. T-shaped slide rail; 10. T-slot sliding seat; 11. Conveyor belt; 12. Display screen. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0019] In this application, the terms "upper," "lower," "inner," "middle," "outer," "front," and "rear," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. These terms are primarily for the purpose of better describing this application and its embodiments, and are not intended to limit the indicated device, element, or component to having a specific orientation, or to be constructed and operated in a specific orientation.

[0020] Furthermore, in addition to indicating location or positional relationship, some of the aforementioned terms may also have other meanings. For example, the term "above" may also be used in some cases to indicate a certain dependency or connection relationship. Those skilled in the art can understand the specific meaning of these terms in this application based on the specific circumstances.

[0021] Example 1: Please refer to Figures 1 to 9 A display screen rotation and translation device includes two symmetrically arranged portal frames (1); characterized in that: two supporting beams (2) are symmetrically arranged at the top front and back between the two frames (1); a servo motor (3) is provided in the middle of the upper surface of the left frame (1), and a pulley (301) is fixed coaxially on its output shaft; a pulley (301) is also provided at the top of the right frame (1), and the two pulleys (301) are connected by a transmission belt (302); a sliding table (303) that can slide left and right is provided at the top of the two beams (2); a vertical rodless cylinder is fixed on the sliding table (303). (4) The sliding seat (401) of the rodless cylinder (4) is hinged to a telescopic cylinder (5) in the middle of the front. The output shaft of the telescopic cylinder (5) is vertical and its end is hinged to a 7-shaped rotating block (501). There are two rotating blocks, which are symmetrically hinged to the two sides of the output shaft end of the telescopic cylinder (5). A ladder-shaped mounting truss (6) is fixed at the bottom of the rotating block (501). A clamp (7) is fixed on the left side of the truss (6). A rodless cylinder (8) is fixed in the middle of the lower surface of the truss (6). The rodless cylinder (8) is arranged in the left and right direction and a clamp (7) is also fixed on the lower surface of its sliding seat (801).

[0022] The slide (303) is located between the upper and lower ends of the transmission belt (302) and its top is fixed to the upper end of the transmission belt (302) by a pressure block (304).

[0023] Each of the beams (2) is provided with a T-shaped slide rail (9) along the left and right direction on its upper surface. The bottom of the slide table (303) is symmetrically fixed with several T-shaped groove sliding seats (10) that match the T-shaped slide rail (9). The two are installed in a matching manner.

[0024] The sliding seat (401) of the rodless cylinder (4) is provided with two L-shaped auxiliary supports (502) symmetrically on both sides of the telescopic cylinder (5). The bottom outer end of the auxiliary support (502) is connected to the middle part of the rotating block (501) through a rotating shaft (503).

[0025] The truss (6) has two T-shaped slide rails (9) symmetrically arranged on the lower surface in the front and back along the left and right directions. The clamp (7) on the right side has several T-shaped groove sliding seats (10) that match the T-shaped slide rails (9) symmetrically fixed on the upper surface in the front and back. The two are matched and installed.

[0026] The clamp (7) is truss-shaped along the front-back direction, and has several L-shaped positioning clamping blocks (701) on one side. The positioning clamping blocks (701) on the two clamps (7) are mirror-symmetrical.

[0027] The portal frame (1) serves as the basic support component of the entire device, connecting the ground and the support beam (2). It provides a stable installation base for the slide table (303), rodless cylinder A (4), etc., ensuring that the device will not shake during operation (such as slide table translation and display screen rotation), which is a prerequisite for ensuring the accuracy of all actions. The support beam (2) connects the two portal frames (1) to form an overall frame structure, enhancing the overall stability of the device. The servo motor (3) serves as the power source for the translation of the slide table (303). It drives the pulley (301) to rotate through the output shaft, providing stable power for the translation of the slide table (303). The slide table (303) carries the rodless cylinder A (4), telescopic cylinder (5), etc. By translating left and right with the transmission belt (302), it drives the display screen (12) to move to the detection position, which is the core moving component for realizing the translation function of the display screen. The pressure block (304) fixes the slide (303) to the transmission belt (302) (by adhesive) to ensure that the movement of the transmission belt (302) can be accurately transmitted to the slide.

[0028] The rodless cylinder A (4) adjusts the height of the clamp (7). By driving the sliding seat A (401) to move up and down, it drives the telescopic cylinder (5), the rotating block (501), the truss (6), and the clamp (7) to rise and fall synchronously, so that the clamp can accurately approach the display screen (12) on the conveyor belt (11) (before clamping) or move away from the display screen (after detection and return), thus achieving precise positioning in the height direction. The telescopic cylinder (5) serves as the power source for the rotation of the display screen (12). Through the extension or retraction of the output shaft, it pushes the rotating block (501) to rotate around the rotating shaft (503), converting the linear telescopic motion into rotational motion, thus achieving a 90-degree attitude adjustment of the display screen. The rotating block (501) connects the telescopic cylinder (5) and the truss (6), transmitting the thrust of the telescopic cylinder and converting the linear motion into the rotational motion of the truss. The two symmetrical settings can make the truss (6) evenly stressed, avoiding unilateral tilting during rotation and ensuring the stability of the display screen's rotational attitude. The auxiliary support (502) provides rotational support for the rotating block (501) and defines the position of the rotation axis of the rotating block (501), namely the rotating shaft (503).

[0029] The truss (6) serves as the mounting carrier for the clamp (7) and the rodless cylinder (8), connecting the rotating block (501) and the clamping component, and transmitting the rotational power of the rotating block to the display screen (12). The clamp (7) directly clamps the display screen (12), and clamping or releasing the display screen is achieved through the relative movement of the two clamps (the right clamp is driven by the rodless cylinder (8)). It is the core clamping component that is in direct contact with the display screen, ensuring that the display screen is fixed in position during translation and rotation. The positioning clamping block (701) is in direct contact with the display screen (12), achieving precise positioning and stable clamping; the side part clamps the two edges of the display screen, and the bottom part supports the bottom of the display screen (because the width of the display screen is greater than the width of the conveyor belt, the edge extends out of the conveyor belt), preventing the display screen from falling during up-and-down movement or rotation, and ensuring clamping safety. The rodless cylinder B (8) adjusts the distance between the two clamps (7). By driving the sliding seat B (801) to move left and right, it moves the right clamp closer to or away from the left clamp, adapting to different widths of displays within a certain range, achieving compatible clamping of multiple display sizes, and improving the versatility of the device. The T-shaped slide rail (9) and the T-slot sliding seat (10) provide guidance for the movement of the slide table (303) and the right clamp (7), limiting the movement trajectory to a straight line from left to right, reducing movement resistance, avoiding lateral deviation, and ensuring the accuracy of translation and clamping adjustment.

[0030] Working process: After the device is powered on, each component is reset to its initial state - the slide table (303) is located on the left side of the two crossbeams (2), the sliding seat A (401) of the rodless cylinder A (4) is in a high position, the sliding seat B (801) of the rodless cylinder B (8) is at the leftmost end, the distance between the two clamps (7) is the smallest, and the output shaft of the telescopic cylinder (5) is shortened; the conveyor belt (11) transports the re-inspected display screen (12) (screen upside down) to directly below the truss (6).

[0031] Based on the size and width of the display screen (12), start the rodless cylinder B (8). The sliding seat B (801) of the rodless cylinder B (8) drives the right clamp (7) to move to the right along the T-shaped slide rail (9) on the lower surface of the truss (6) until the distance between the two clamps (7) is greater than and completely covers the display screen (12). The rodless cylinder B (8) stops moving and maintains pressure.

[0032] Start the rodless cylinder A (4). The sliding seat A (401) of the rodless cylinder A (4) moves vertically downward. The sliding seat A (401) drives the telescopic cylinder (5), auxiliary bracket (502), rotating block (501), truss (6) and two clamps (7) to descend synchronously until the upper surface of the horizontal part of the positioning clamping block (701) is flush with the lower surface of the display screen (12) and stops, maintaining pressure. The rodless cylinder B (8) starts up again and rotates in the opposite direction, causing the sliding seat B (801) to drive the right clamp (7) to move to the left along the T-shaped slide rail (9) on the lower surface of the truss (6) until the positioning clamping block (701) on the clamp (7) fits against the two sides of the display screen (12) and the horizontal part of the positioning clamping block (701) supports the bottom of the display screen (12). The two clamps (7) work together to firmly clamp the display screen (12), completing the clamping.

[0033] Restart the rodless cylinder (4) to rotate in the opposite direction. The sliding seat (401) of the rodless cylinder (4) moves vertically upward, causing the display screen (12) to move upward a suitable distance to leave space for rotation. Start the servo motor (3), which drives the left pulley (301) to rotate. The left pulley (301) drives the right pulley (301) to rotate synchronously through the transmission belt (302). The transmission belt (302) drives the slide table (303) to move to the right along the T-shaped slide rail (9) on the crossbeam (2) through the pressure block (304). During the movement of the slide table (303), the controller starts the telescopic cylinder (5), whose output axis extends outward, pushing the rotating block (501) to rotate around the rotating shaft (503). The rotating block (501) drives the truss (6), the fixture (7) and the display screen (12) to rotate synchronously until the display screen (12) rotates 90 degrees (the screen is facing the inspection personnel or instrument). The telescopic cylinder (5) stops moving and maintains the rotation angle. When the slide (303) moves the display screen (12) to the preset detection position on the right, the servo motor (3) stops rotating and the slide (303) stops moving. The inspection personnel or inspection instruments perform appearance inspection on the display screen (12), such as checking for scratches, bubbles, etc.

[0034] After the test is completed, the controller starts the telescopic cylinder (5) to rotate in reverse, its output shaft shortens, and pulls the rotating block (501) to rotate in reverse around the rotating shaft (503) to reset, and the display screen (12) returns to the inverted state; then, the servo motor (3) starts to reverse, driving the slide table (303) to move to the left along the T-shaped slide rail (9) to the initial material picking position; when the rodless cylinder A (4) is started, the sliding seat A (401) moves vertically downward to place the display screen (12) on the conveyor belt (11); the rodless cylinder B (8) is started, the sliding seat B (801) moves to the right, the right clamp (7) releases the display screen (12), and the display screen (12) continues to be conveyed forward with the conveyor belt (11); finally, the rodless cylinder A (4) is started, and the sliding seat A (401) rises; the device returns to standby state, waiting for the next sampling inspection.

[0035] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A display screen rotation and translation device, comprising two symmetrically arranged portal frames (1); characterized in that: Two supporting beams (2) are symmetrically arranged at the top front and back between the two uprights (1); the left upright (1) has a servo motor (3) in the middle of its upper surface, and its output shaft is coaxially fixed with a pulley (301); the right upright (1) also has a pulley (301) at the top, and the two pulleys (301) are connected by a transmission belt (302); the two beams (2) have a sliding table (303) at the top that can slide left and right; a vertical rodless cylinder (4) is fixed on the sliding table (303). The sliding seat A (401) of the rodless cylinder A (4) is hinged to a telescopic cylinder (5) in the middle of the front. The output shaft end of the telescopic cylinder (5) is hinged to a 7-shaped rotating block (501). A ladder-shaped mounting truss (6) is fixed at the bottom of the rotating block (501). A clamp (7) is fixed on the left side of the truss (6). A rodless cylinder B (8) is fixed in the middle of the lower surface of the truss (6). The rodless cylinder B (8) is arranged in the left and right direction and a clamp (7) is also fixed on the lower surface of its sliding seat B (801).

2. The display screen rotation and translation device according to claim 1, characterized in that: The slide (303) is located between the upper and lower ends of the transmission belt (302) and its top is fixed to the upper end of the transmission belt (302) by a pressure block (304).

3. The display screen rotation and translation device according to claim 2, characterized in that: Each of the beams (2) has a T-shaped slide rail (9) on its upper surface along the left and right direction. The bottom of the slide table (303) is symmetrically fixed with several T-shaped groove sliding seats (10) that match the T-shaped slide rail (9).

4. The display screen rotation and translation device according to claim 1, characterized in that: The sliding seat (401) of the rodless cylinder (4) is provided with two L-shaped auxiliary supports (502) symmetrically on both sides of the telescopic cylinder (5). The bottom outer end of the auxiliary support (502) is connected to the middle part of the rotating block (501) through a rotating shaft (503).

5. A display screen rotation and translation device according to claim 1, characterized in that: The truss (6) has two T-shaped slide rails (9) symmetrically arranged on the lower surface in the front and back along the left and right directions. The clamp (7) on the right side has several T-shaped groove sliding seats (10) that match the T-shaped slide rails (9) symmetrically fixed on the upper surface in the front and back.

6. A display screen rotation and translation device according to claim 5, characterized in that: The clamp (7) is truss-shaped along the front-back direction, and has several L-shaped positioning clamping blocks (701) on one side. The positioning clamping blocks (701) on the two clamps (7) are mirror-symmetrical.

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