Automatic detection device for LCM (Liquid Crystal Module) picture
By designing an automatic LCM screen detection device with screw drive and alternating feeding, the low efficiency problem caused by traditional manual feeding was solved, realizing efficient automated detection of LCD modules and improving positioning accuracy and production efficiency.
Patent Information
- Application Number
- CN202520067464.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-13
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2035-01-13
AI Technical Summary
Traditional LCM screen inspection relies on manual loading, resulting in low production efficiency. Furthermore, existing automated equipment cannot provide sufficient positioning accuracy, which can easily damage the LCD module or cause inspection errors.
An automatic LCM image detection device was designed, which adopts a lead screw drive and alternating feeding method. The motor drives the lead screw to rotate, causing the material transfer plate to move in opposite directions, thereby realizing the automatic conveying and detection of the LCD module. It is combined with a high-resolution camera and photoelectric sensor for accurate detection.
It improves the overall efficiency of the production line, reduces operation time, ensures the positioning accuracy and safety of LCD modules during the testing process, and avoids module damage and testing errors.
Smart Images
Figure CN223673696U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of LCM image detection technology, and more specifically, to an automatic LCM image detection device. Background Technology
[0002] In the manufacturing process of liquid crystal modules (LCMs), image quality inspection is a crucial step in ensuring product qualification rate and user experience.
[0003] Traditional testing processes typically rely on manual loading of materials one by one, placing each LCD module in the testing position for testing. After testing, the LCD module must be removed before the next LCD module is placed in the testing position. However, the testing position is usually located inside, which is inconvenient to operate. Therefore, this operation requires a lot of time, especially on large-scale production lines, which greatly limits the overall production efficiency.
[0004] Some early attempts at automation used relatively simple robotic arms or push-pull devices for loading, but these methods often failed to provide sufficient positioning accuracy, which could easily cause damage to the LCD module or detection errors. Utility Model Content
[0005] To overcome the above shortcomings, this utility model provides an automatic LCM screen inspection device. The traditional inspection process usually relies on manual loading one by one, placing each LCD module in the inspection position for inspection, and then removing the LCD module after inspection before placing the next LCD module in the inspection position. The inspection position is usually located inside, which is inconvenient to operate. Therefore, this operation requires a lot of time, especially on large-scale production lines, which greatly limits the overall production efficiency.
[0006] This utility model is implemented as follows: An automatic LCM screen detection device includes a detection table, a display is installed on one side of the detection table, a feeding plate is installed on one side of the upper surface of the detection table, and a side plate 1 and a side plate 2 are respectively provided on both sides of the feeding plate. A sliding groove 1 is opened on the side plate 1, and a feeding component 1 is slidably installed in the sliding groove 1. A shaped groove is opened on the side plate 2, and a feeding component 2 is slidably installed in the shaped groove. A detection component is installed on the other side of the upper surface of the detection table. The feeding component 1 and the feeding component 2 alternately feed the liquid crystal module.
[0007] In a preferred embodiment of this utility model, the feeding component includes a transfer plate that slides within a chute, and a positioning groove is provided at the upper end of the transfer plate.
[0008] In a preferred embodiment of this utility model, a lead screw is rotatably disposed inside the slide groove, and the lead screw is threadedly connected to one side of the material transfer plate.
[0009] In the preferred technical scheme of the utility model, the feeding piece two includes a sliding block sliding in the special-shaped groove, one side of the sliding block is provided with a second material conveying plate, symmetric vertical grooves are formed in the second material conveying plate, a third material conveying plate is slidingly arranged in the vertical grooves, and positioning grooves two are formed in the upper end of the third material conveying plate.
[0010] In the preferred technical scheme of the utility model, the middle part of the feeding plate is provided with a middle plate, a sliding groove two is formed in the middle plate, and one side of the second material conveying plate is slidingly arranged in the sliding groove two.
[0011] In the preferred technical scheme of the utility model, a screw rod two is rotationally arranged in the sliding groove two, and the screw rod two is threadedly connected with one side of the second material conveying plate.
[0012] In the preferred technical scheme of the utility model, the screw threads of the screw rod one and the screw rod two are opposite, and the screw rod one and the screw rod two are connected through a transmission piece.
[0013] In the preferred technical scheme of the utility model, the lower sides of the first material conveying plate and the second material conveying plate are both provided with moving wheels.
[0014] In the preferred technical scheme of the utility model, the detection assembly comprises a detection shell on a detection table, an adjusting groove is formed in the upper side of the detection shell, a connecting block is slidingly arranged in the adjusting groove, a detector is mounted on the lower side of the connecting block, and the connecting block is connected with the piston end of a cylinder.
[0015] In the preferred technical scheme of the utility model, springs are arranged on the inner walls of the two sides of the adjusting groove, one end of each spring is connected with a touch plate, and photoelectric sensors are mounted at the two ends of the adjusting groove.
[0016] The utility model discloses a kind of LCM picture automatic detection devices, and liquid crystal module is placed in positioning groove one, is driven transmission piece by motor, so that screw rod one and screw rod two rotate simultaneously, to promote the movement of second material conveying plate and second material conveying plate, the sliding of sliding block in special-shaped groove, make third material conveying plate slide down, when second material conveying plate and transmission plate three meet, the height of third material conveying plate is lower than the height of second material conveying plate, satisfy the liquid crystal module in positioning groove one is transported to detection assembly, while the liquid crystal module in positioning groove two moves out from detection assembly, compared with traditional feeding mode, this mode saves operation time, can significantly improve the overall efficiency of production line. BRIEF DESCRIPTION OF DRAWINGS
[0017] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings used in the embodiments will be briefly introduced as follows. It should be understood that the following drawings only show some embodiments of the present application, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained without creative labor on the basis of these drawings.
[0018] Figure 1 is a schematic diagram of the overall structure provided by the embodiments of the present application;
[0019] Figure 2 is a schematic diagram of the structure of the material conveying part one and the material conveying part two provided by the embodiments of the present application;
[0020] Figure 3 is a schematic diagram of the alternate state of the material conveying part one and the material conveying part two provided by the embodiments of the present application;
[0021] Figure 4 is a schematic diagram of the structure of the material conveying part one provided by the embodiments of the present application;
[0022] Figure 5 is a schematic diagram of the side view structure provided by the embodiments of the present application; Figure 4
[0023] Figure 6 is a schematic diagram of the structure of the material conveying part two provided by the embodiments of the present application;
[0024] Figure 7 is a schematic diagram of the structure of the detection assembly provided by the embodiments of the present application;
[0025] Figure 8 is a schematic diagram of the detection structure provided by the embodiments of the present application.
[0026] In the drawings: 1, detection table; 2, display; 3, feeding plate; 4, side plate one; 5, sliding groove one; 6, lead screw one; 7, material conveying plate one; 8, positioning groove one; 9, middle plate; 10, sliding groove two; 11, lead screw two; 12, side plate two; 13, special-shaped groove; 14, material conveying plate two; 15, vertical groove; 16, material conveying plate three; 17, sliding block; 18, positioning groove two; 19, moving wheel; 20, transmission part; 21, detection shell; 22, adjusting groove; 23, connecting block; 24, air cylinder; 25, detector; 26, photoelectric sensor; 27, spring; 28, touch plate. DETAILED DESCRIPTION
[0027] In order to make the purposes, technical schemes and advantages of the embodiments of the present application clearer, the technical schemes of the embodiments of the present application will be described clearly and completely below in conjunction with the drawings of the embodiments of the present application. Obviously, the described embodiments are some but not all of the embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of the present application.
[0028] Please refer to Figures 1-8 The present application provides a technical scheme: an LCM picture automatic detection device, which comprises a detection table 1, a display 2 is installed on one side of the detection table 1, the display 2 is used for displaying images and results in a detection process, an upper plate 3 is installed on one side of the upper surface of the detection table 1, side plates one 4 and two 12 are respectively arranged on two sides of the upper plate 3, a sliding groove one 5 is formed on the side plate one 4, an upper feeding piece one is slidably installed in the sliding groove one 5, a special-shaped groove 13 is formed on the side plate two 12, an upper feeding piece two is slidably installed in the special-shaped groove 13, a detection assembly is installed on the other side of the upper surface of the detection table 1, the upper feeding piece one and the upper feeding piece two alternately feed the liquid crystal module.
[0029] The upper feeding piece one comprises a transmission plate one 7 which is slidably arranged in the sliding groove one 5, a positioning groove one 8 is formed on the upper end of the transmission plate one 7, after the liquid crystal module is arranged in the positioning groove one 8, displacement of the liquid crystal module during detection can be prevented.
[0030] A lead screw one 6 is rotatably arranged in the sliding groove one 5, the lead screw one 6 is threadedly connected with one side of the transmission plate one 7, through rotation of the lead screw one 6, the transmission plate one 7 is automatically moved, a moving wheel 19 is installed on the lower side of the transmission plate one 7, the moving wheel 19 can make the transmission plate one 7 keep smooth movement.
[0031] For example Figure 6As shown, the second feeding piece comprises a sliding block 17 sliding in the special-shaped groove 13, one side of the sliding block 17 is provided with a second conveying plate 14, the lower side of the second conveying plate 14 is installed with a moving wheel 19, the second conveying plate 14 is provided with symmetrical vertical grooves 15, the vertical grooves 15 are slidingly provided with a third conveying plate 16, the upper end of the third conveying plate 16 is provided with a positioning groove 18, and a middle plate 9 is arranged at the middle position of the feeding plate 3, the middle plate 9 is provided with a sliding groove 10, one side of the second conveying plate 14 is slidingly arranged in the sliding groove 10, a second screw rod 11 is rotatably arranged in the sliding groove 10, the second screw rod 11 is threadedly connected with one side of the second conveying plate 14, when the second screw rod 11 rotates, the second conveying plate 14 automatically slides in the sliding groove 10, and through the sliding of the sliding block 17 in the special-shaped groove 13, the third conveying plate 16 slides downward on the second conveying plate 14 at the position in the middle of the special-shaped groove 13, so that when the first conveying plate 7 and the third conveying plate 16 meet, the third conveying plate 16 is lower than the first conveying plate 7, the alternating movement during conveying the liquid crystal module is realized, the liquid crystal module is conveniently moved to the inside of the detection assembly for detection, and the detected liquid crystal module is also convenient to take out.
[0032] In order to move the first conveying plate 7 and the third conveying plate 16 towards or reversely, the screw thread directions of the first screw rod 6 and the second screw rod 11 are opposite, the first screw rod 6 and the second screw rod 11 are connected through a transmission piece 20, the transmission piece 20 is driven by a motor, the transmission piece 20 is two belt pulleys connected with the first screw rod 6 and the second screw rod 11 respectively, and a belt is sleeved between the two belt pulleys.
[0033] As shown in Figure 7 and Figure 8 The detection assembly comprises a detection shell 21 on the detection table 1, the upper side of the detection shell 21 is provided with an adjusting groove 22, the adjusting groove 22 is slidingly provided with a connecting block 23, the lower side of the connecting block 23 is installed with a detector 25, the connecting block 23 is connected with the piston end of an air cylinder 24, through the pushing of the air cylinder 24, the connecting block 23 slides in the adjusting groove 22 with the detector 25, so that the detector 25 moves according to the position of the liquid crystal module, and the detector 25 can preferentially adopt a high-resolution camera.
[0034] The inner walls of the two sides of the adjusting groove 22 are both provided with springs 27, one end of the spring 27 is connected with a touch plate 28, and photoelectric sensors 26 are installed at the two ends of the adjusting groove 22, the photoelectric sensors 26 are opposite type photoelectric sensors 26, are installed on the two side frames at the two ends of the adjusting groove 22, form a light beam channel, when the detector 25 enters the channel and blocks the light beam, the sensor triggers a signal, the controller commands the detector 25 to stop, and at this time, the detector 25 is in contact with the touch plate 28, and the detector 25 is protected through the spring 27.
[0035] Working principle: when using, the liquid crystal module is placed in the positioning groove 8, the transmission member 20 is driven through the motor, the lead screw 6 and the lead screw 11 are rotated simultaneously, the transmission plate 7 and the transmission plate 14 are moved towards each other, the transmission plate 3 16 is slid downwards through the sliding block 17 in the special-shaped groove 13, when the transmission plate 7 and the transmission plate 3 16 meet, the height of the transmission plate 3 16 is lower than the height of the transmission plate 7, the liquid crystal module in the positioning groove 8 is transported into the detection assembly, the liquid crystal module in the positioning groove 2 18 is moved out of the detection assembly, and when the liquid crystal module enters the detection shell 21, the position of the detector 25 can be moved through the pushing of the air cylinder 24, so that the detector 25 detects the picture of the liquid crystal module.
[0036] The preferred embodiments of the present application have been described above by way of example only, not for limitation, for those skilled in the art, various modifications and changes can be made to the present application. Any modification, equivalent replacement, improvement, etc. within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. An apparatus for automatic detection of LCM pictures, characterized in that, The utility model provides a kind of liquid crystal module detection device, including detection platform, display is installed on one side of detection platform, loading plate is installed on the upper surface of detection platform, side plate one and side plate two are respectively arranged on both sides of loading plate, the groove one is opened in side plate one, the feeding piece one is slidably installed in the groove one, the special-shaped groove is opened in side plate two, the feeding piece two is slidably installed in the special-shaped groove, detection assembly is installed on the other side of the upper surface of detection platform, the feeding piece one and the feeding piece two are alternately fed to liquid crystal module.
2. The LCM picture automatic detection device according to claim 1, wherein, The feeding piece one includes the transmission plate one slidably installed in the groove one, and the positioning groove one is opened in the upper end of the transmission plate one.
3. The LCM picture auto-detection apparatus of claim 2, wherein The screw rod one is rotatably arranged in the groove one, and the screw rod one is threadedly connected with one side of the transmission plate one.
4. The LCM picture auto-detection apparatus of claim 3, wherein, The feeding piece two includes the sliding block slidably installed in the special-shaped groove, the transmission plate two is arranged on one side of the sliding block, the symmetrical vertical groove is opened in the transmission plate two, the transmission plate three is slidably arranged in the vertical groove, and the positioning groove two is opened in the upper end of the transmission plate three.
5. The LCM picture auto-detection apparatus of claim 4, wherein, The middle plate is arranged at the middle position of the loading plate, the groove two is opened in the middle plate, and one side of the transmission plate two is slidably arranged in the groove two.
6. The LCM picture auto-detection apparatus of claim 5, wherein The screw rod two is rotatably arranged in the groove two, and the screw rod two is threadedly connected with one side of the transmission plate two.
7. The LCM picture auto-detection apparatus of claim 6, wherein The screw rod one and the screw rod two are opposite in screw direction, and the screw rod one and the screw rod two are connected through the transmission member.
8. The LCM picture auto-detection apparatus of claim 7, wherein, The moving wheels are arranged on the lower side of the transmission plate one and the transmission plate two.
9. The apparatus for automatic detection of LCM pictures according to claim 1, wherein, The detection assembly includes the detection shell arranged on the detection platform, the adjusting groove is opened in the upper side of the detection shell, the connecting block is slidably arranged in the adjusting groove, the detector is arranged on the lower side of the connecting block, and the connecting block is connected with the piston end of the air cylinder.
10. The apparatus for automatic detection of LCM pictures according to claim 9, wherein, The spring is arranged on the inner wall of both sides of the adjusting groove, one end of the spring is connected with the touch plate, and the photoelectric sensor is arranged at both ends of the adjusting groove.