Screen dispensing and laminating machine

Abstract

The utility model relates to a screen dispensing and laminating machine. The screen dispensing and laminating machine comprises a machine table, a middle frame feeding device, a screen laminating device and a dispensing device, the middle frame feeding device comprises a middle frame conveying mechanism and a middle frame positioning mechanism which are arranged on the machine table. The screen laminating device comprises a lifting mechanism, a screen positioning mechanism and a turnover mechanism, the lifting mechanism and the screen positioning mechanism are arranged on the machine table, the turnover mechanism is arranged at the output end of the lifting mechanism, the turnover mechanism is used for fixing and turning over a screen panel, the screen positioning mechanism is used for positioning the screen panel, and the middle frame conveying mechanism can move a screen middle frame to the position below the turnover mechanism. The screen panel is opposite to the screen middle frame; the glue dispensing device comprises a three-axis mechanical arm arranged on the machine table and a glue dispensing mechanism arranged at the output end of the three-axis mechanical arm, and the glue dispensing mechanism is used for dispensing glue for the screen panel. According to the full-automatic screen laminating machine, the dispensing and laminating functions of the screen are integrated, an operator only needs to place a screen panel and a screen middle frame on the screen laminating device and the middle frame feeding device correspondingly, and full-automatic operation of screen laminating is achieved.

Description

Technical Field

[0001] The utility model relates to the field of vehicle-mounted central control screen processing, and more specifically, to a screen glue dispensing and laminating machine. Background Art

[0002] The in-vehicle central control screen refers to a touch screen or display screen installed on the center console of the car, which is used to display various information of the vehicle and control certain functions of the vehicle. It usually has functions such as navigation, entertainment, vehicle information display and control. The structure of the central control screen usually includes a screen panel and a middle frame. During the production process, the two need to be assembled and bonded. The assembly method in the existing technology is generally manual assembly or semi-automatic assembly. Manual assembly requires workers to first dispense glue on the screen, and then bond the screen and the middle frame. Semi-automatic assembly is to automatically dispense glue on the screen through automated equipment, and then workers bond the screen and the middle frame. Both of the above solutions cannot achieve automated dispensing and bonding of the central control screen, and the efficiency is low, which is not conducive to mass production of products and needs to be improved urgently. Utility Model Content

[0003] In view of this, the utility model provides a screen dispensing and laminating machine, which can realize the fully automated process of automatic dispensing of the screen and automatic lamination of the screen and the middle frame.

[0004] The purpose of the utility model is achieved through the following technical solutions:

[0005] A screen glue dispensing and laminating machine comprises: a machine platform, a middle frame feeding device, a screen laminating device, a glue dispensing device, a glue dispensing correction device and a glue wiping device; the middle frame feeding device comprises a middle frame conveying mechanism and a middle frame positioning mechanism provided on the machine platform, the middle frame conveying mechanism is used to transfer and fix the screen middle frame, and the middle frame positioning mechanism is used to position the screen middle frame; the screen laminating device comprises a lifting mechanism and a screen positioning mechanism provided on the machine platform, and a flipping mechanism provided at the output end of the lifting mechanism, the flipping mechanism is used to fix and flip the screen panel, the The screen positioning mechanism is used to position the screen panel, and the middle frame conveying mechanism can move the screen middle frame to the bottom of the flipping mechanism so that the screen panel is opposite to the screen middle frame; the dispensing device includes a three-axis robot provided on the machine platform, and a dispensing mechanism provided at the output end of the three-axis robot. The dispensing mechanism is located above the screen bonding device and is used to dispense glue for the screen panel; the dispensing correction device is provided on the machine platform for testing the dispensing position and dispensing parameters; the erasing device is provided on the machine platform for erasing residual glue in the dispensing mechanism.

[0006] In the above technical solution, when assembling and bonding the screen panel and the screen middle frame, the screen middle frame and the screen panel are placed on the middle frame loading device and the screen bonding device respectively, and then the glue dispensing device dispenses glue on the screen panel. After the glue dispensing is completed, the flipping mechanism drives the screen panel to flip, and makes the glue-dispensed surface of the screen panel face down. At this time, the screen middle frame moves to the bottom of the screen panel, and the screen panel and the screen middle frame are precisely aligned through the screen positioning mechanism and the middle frame positioning mechanism. Then the lifting mechanism drives the flipping mechanism to descend to complete the bonding of the screen panel and the screen middle frame.

[0007] The glue dispensing and laminating machine of this utility model integrates the glue dispensing and laminating functions of the screen. The operator only needs to place the screen panel and the screen middle frame on the screen laminating device and the middle frame loading device respectively, thereby realizing fully automated operation of screen laminating, reducing errors and uncertainties caused by manual operation, and improving the screen laminating efficiency. The entire laminating process is coherent and efficient, shortening the product processing cycle and improving the overall production capacity of the production line.

[0008] Optionally, in a possible implementation, the middle frame conveying mechanism includes a first linear module, an XXY alignment platform provided at the output end of the first linear module, and a middle frame receiving platform provided on the XXY alignment platform, wherein the starting end of the first linear module is close to the edge of the machine platform and the end end is close to the screen bonding device.

[0009] In the above technical solution, by integrating the first linear module and the XXY alignment platform, the automatic transportation of the screen middle frame from the edge of the machine to the screen bonding device is realized, that is, the screen middle frame can be accurately moved to the bottom of the screen panel. Among them, the XXY alignment platform has high-precision horizontal adjustment capabilities, which can ensure that the screen middle frame is accurately aligned with the screen panel during the transportation process, thereby improving the bonding quality of the central control screen.

[0010] Optionally, in a possible implementation, there are two middle frame positioning mechanisms, which are symmetrically arranged on both sides of the conveying direction of the first linear module. The middle frame positioning mechanism includes a second linear module, a positioning frame arranged at the output end of the second linear module, and a middle frame vision camera arranged on the positioning frame. The second linear module can drive the middle frame vision camera to approach or move away from the first linear module.

[0011] In this technical solution, two symmetrically positioned middle frame positioning mechanisms provide dual assurance for the positioning of the display's middle frame. They can simultaneously monitor and adjust the frame from both sides, effectively reducing the potential deviation caused by unilateral positioning and further improving the positioning accuracy and stability of the display's middle frame. Furthermore, the design of the second linear module allows the middle frame vision camera to move closer to or further away from the first linear module as needed. This adjustability not only accommodates middle frames of varying sizes and shapes, but also allows for flexible adjustments based on the needs of different stages in the production process.

[0012] Optionally, in a possible implementation, the lifting mechanism includes a fixed seat, a connecting frame provided on the fixed seat, and a lifting drive member for driving the connecting frame to lift and lower, and the connecting frame is slidably connected to the fixed seat through a guide rail slider unit.

[0013] In this technical solution, the lifting mechanism, with its fixed base providing a solid foundation for support, combined with the precise control of the lifting drive, ensures the stability and reliability of the connecting frame during the lifting process. Furthermore, the use of the guide rail and slider unit enables the connecting frame to move precisely along a predetermined trajectory during the lifting process, achieving high-precision positioning.

[0014] Optionally, in a possible implementation, the flipping mechanism includes a flipping frame rotatably mounted on the connecting frame, and a flipping driving member provided on the flipping frame and used to drive the flipping frame to rotate, the flipping frame is provided with a screen receiving platform for placing the screen panel, and a suction cup assembly for holding the screen receiving platform.

[0015] In the above technical solution, the design of the flipping mechanism allows the screen panel to be flipped during the processing or assembly process, thereby facilitating the gluing and bonding operations of the screen panel. The screen support platform serves as a supporting platform for the screen panel, combined with the strong suction of the suction cup assembly, ensuring the stability and accuracy of the screen panel during the flipping process, effectively preventing the screen panel from shifting or slipping during the flipping process, and ensuring the smooth progress of subsequent process steps.

[0016] Optionally, in a possible implementation, the screen positioning mechanism is two symmetrical and spaced-apart edges respectively close to opposite sides of the flip mechanism, and the screen positioning mechanism includes a mounting frame and a screen vision camera provided on the mounting frame.

[0017] In this technical solution, the dual-vision camera setup enables comprehensive and precise positioning of the screen panel, effectively avoiding the potential blind spots of a single camera. This ensures accurate positioning of the screen panel at all angles and positions, providing reliable data support for subsequent process steps. Furthermore, the dual-vision camera configuration not only improves positioning accuracy but also enhances system stability and reliability.

[0018] Optionally, in a possible implementation, the dispensing mechanism includes a movable plate arranged at the output end of the three-axis manipulator, and a dispensing head, a dispensing vision camera and a glue barrel arranged on the movable plate, the glue barrel is used to supply glue to the dispensing head, and the dispensing vision camera is used to locate the dispensing position of the screen.

[0019] In the above technical solution, the dispensing mechanism is integrated at the output end of the three-axis manipulator. Through the flexible movement of the manipulator, the dispensing head can accurately reach any dispensing position on the screen panel. The introduction of the dispensing vision camera enables the dispensing position to be accurately positioned through image recognition technology. Compared with mechanical positioning, it has higher accuracy and adaptability, and can automatically correct positioning errors caused by factors such as screen panel size differences and position offsets.

[0020] Optionally, in a possible implementation, the dispensing correction device includes a bracket arranged on the machine platform, and a needle sensor, a sample plate and a discharge barrel arranged on the bracket in sequence, a sticker is placed on the sample plate, and a line laser is also provided on the movable plate.

[0021] In the above technical solution, the dispensing correction device provides a quality control link for the dispensing process. The position of the dispensing head can be accurately detected by the needle sensor to achieve correction of the position of the dispensing head, thereby preventing inaccurate dispensing caused by deviation of the dispensing head position. The test plate and the stickers on it provide a real simulation environment for dispensing correction. Before actual production, dispensing tests can be carried out on the test plate, and the shape, width, position and other parameters of the dispensing can be monitored in real time by a line laser to ensure that the dispensing effect meets expectations. In addition, the setting of the discharge barrel can exhaust and remove hardened or dirty rubber before dispensing, keeping the production environment clean and the rubber effective. In summary, the dispensing correction device of this technical solution integrates dispensing head correction, dispensing quality verification, real-time trial and error and adjustment, and discharge and exhaust functions, which can effectively improve the quality of dispensing.

[0022] Optionally, in a possible implementation, the eraser device includes an eraser rack provided on the machine platform, an eraser member provided on the eraser rack, and two roll racks, and the eraser member and the two roll racks are distributed in a triangular shape.

[0023] In the above technical solution, the introduction of a glue-erasing device provides timely cleaning of screens and other components requiring glue application. After dispensing or when excess glue needs to be removed, the glue-erasing device precisely removes residual glue, ensuring a clean and aesthetically pleasing product surface while avoiding quality issues caused by residual glue. Furthermore, integrating the glue-erasing device into the machine allows for continuous glue dispensing and wiping operations.

[0024] Optionally, in a possible implementation, a weighing device is further provided on the machine platform, and the weighing device includes a weighing frame provided on the machine platform, and an electronic scale provided on the weighing frame.

[0025] In the above technical solution, the setting of the weighing device can accurately control the dispensing amount, that is, the glue output of the dispensing head is weighed before formal dispensing to ensure that the glue output meets expectations, thereby ensuring the dispensing quality of the dispensing head. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following is a brief introduction to the drawings required for use in the embodiments. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without creative work.

[0027] Figure 1 It is a schematic diagram of the overall structure of an embodiment.

[0028] Figure 2 Schematic diagram of the structure of a frame loading device in one embodiment.

[0029] Figure 3 Schematic diagram of the structure of the frame positioning mechanism in one embodiment.

[0030] Figure 4 Schematic diagram of the structure of a screen laminating device according to an embodiment.

[0031] Figure 5 It is a structural schematic diagram of the lifting mechanism and the flipping structure of an embodiment.

[0032] Figure 6 Schematic diagram of the structure of a screen positioning mechanism according to an embodiment.

[0033] Figure 7 Schematic diagram of the structure of a dispensing mechanism according to an embodiment.

[0034] Figure 8 Schematic diagram of the structure of an erasing device according to an embodiment.

[0035] Reference numerals: 1-machine;

[0036] Middle frame loading device; 21-middle frame conveying mechanism; 211-first linear module; 212-XXY alignment platform; 213-middle frame receiving platform; 22-middle frame positioning mechanism; 221-second linear module; 222-positioning frame; 223-middle frame vision camera; 24-light source; 25-first adjustment block; 26-first guide rod; 27-first screw;

[0037] Screen laminating device; 31-lifting mechanism; 311-fixing base; 312-connecting frame; 313-lifting drive member; 3131-lifting motor; 3132-screw rod; 3133-driving pulley; 3134-driven pulley; 3135-belt; 32-screen positioning mechanism; 321-mounting frame; 322-screen vision camera; 323-adapter; 324-second adjustment block; 325-second guide rod; 326-second screw rod; 327-third guide rod; 328-third screw rod; 33-flipping mechanism; 331-flipping frame; 332-flipping drive member; 333-screen receiving platform; 334-suction cup assembly;

[0038] Glue dispensing device; 41-three-axis manipulator; 42-glue dispensing mechanism; 421-moving plate; 422-glue dispensing head; 423-glue dispensing visual camera; 424-glue barrel; 425-line laser;

[0039] Glue dispensing calibration device; 51- bracket; 52- needle sensor; 53- sample plate; 54- discharge barrel;

[0040] Glue erasing device; 61-glue erasing rack; 62-roll rack; 63-glue erasing member; 631-limiting block; 632-elastic card block; 633-guide shaft;

[0041] Weighing device. DETAILED DESCRIPTION

[0042] To make the objectives, technical solutions, and advantages of the embodiments of the present application more clear, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Generally, the components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations.

[0043] Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the present application for protection, but merely represents selected embodiments of the present application. All other embodiments obtained by persons of ordinary skill in the art based on the embodiments in the present application without creative work are within the scope of protection of the present application.

[0044] Please refer to Figure 1, this embodiment provides a screen glue dispensing and laminating machine, including: a machine platform 1, a middle frame feeding device 2, a screen laminating device 3, a glue dispensing device 4, a glue dispensing correction device 5 and a glue erasing device 6; the middle frame feeding device 2 includes a middle frame conveying mechanism 21 and a middle frame positioning mechanism 22 provided on the machine platform 1, the middle frame conveying mechanism is used to transfer and fix the screen middle frame, and the middle frame positioning mechanism 22 is used to position the screen middle frame; the screen laminating device 3 includes a lifting mechanism 31 and a screen positioning mechanism 32 provided on the machine platform 1, and a flipping mechanism 33 provided at the output end of the lifting mechanism 31, and the flipping mechanism 33 is used to fix The screen positioning mechanism 32 is used to position the screen panel, and the middle frame conveying mechanism 21 can move the screen middle frame to the bottom of the flipping mechanism 33 so that the screen panel is opposite to the screen middle frame; the dispensing device 4 includes a three-axis manipulator 41 provided on the machine 1, and a dispensing mechanism 42 provided at the output end of the three-axis manipulator 41. The dispensing mechanism 42 is located above the screen bonding device 3 and is used to dispense glue for the screen panel; the dispensing correction device 5 is provided on the machine 1 for testing the dispensing position and dispensing parameters; the erasing device 6 is provided on the machine 1 for erasing residual glue in the dispensing mechanism 42.

[0045] For the convenience of description, this embodiment establishes a spatial rectangular coordinate system XYZ. When assembling and bonding the screen panel and the screen middle frame, the screen middle frame and the screen panel are placed on the middle frame loading device 2 and the screen bonding device 3 respectively, and then the glue dispensing device 4 descends along the -Z axis direction to dispense glue on the screen panel. After the glue dispensing is completed, the flipping mechanism 33 drives the screen panel to flip along the X axis direction, and makes the glue dispensing surface of the screen panel face down. At this time, the screen middle frame moves along the +Y axis direction to directly below the screen panel. The screen panel and the screen middle frame are precisely aligned by the screen positioning mechanism 32 and the middle frame positioning mechanism 22, and then the lifting mechanism 31 drives the flipping mechanism 33 to descend along the -Z axis to complete the bonding of the screen panel and the screen middle frame.

[0046] The glue dispensing and laminating machine of this embodiment integrates the glue dispensing and laminating functions of the screen. The operator only needs to place the screen panel and the screen middle frame on the screen laminating device 3 and the middle frame loading device 2 respectively, thereby realizing fully automated operation of screen laminating, reducing errors and uncertainties caused by human operation, and improving the screen laminating efficiency. The entire laminating process is coherent and efficient, shortening the product processing cycle and improving the overall production capacity of the production line.

[0047] Please refer to Figure 2 and Figure 3In this embodiment, the middle frame conveying mechanism 21 includes a first linear module 211, an XXY alignment platform 212 provided at the output end of the first linear module 211, and a middle frame receiving platform 213 provided on the XXY alignment platform 212. The starting end of the first linear module 211 is close to the edge of the machine 1, and the end is close to the screen bonding device 3. Among them, the first linear module 211 can be a linear motor, which is horizontally fixed on the machine 1 and can drive the linear motion of the XXY alignment platform 212. Its starting end is close to the edge of the machine 1, which can facilitate workers to quickly place the middle frame of the screen. The XXY alignment platform 212, also known as the UVW alignment platform, is a mechanical execution part in a high-precision visual alignment system. It realizes the linear motion of the XY two-axis and the rotational motion of the Z axis through the parallel motion of three linear moving axes. It has the characteristics of high precision, high stability and wide application. Its specific structure is not described here.

[0048] This embodiment integrates the first linear module 211 and the XXY alignment platform 212 to achieve automated transportation of the screen middle frame from the edge of the machine 1 to the screen bonding device 3, that is, the screen middle frame can be accurately moved to the bottom of the screen panel. The XXY alignment platform 212 has high-precision horizontal adjustment capabilities, which can ensure that the screen middle frame is accurately aligned with the screen panel during the transportation process, thereby improving the bonding quality of the central control screen.

[0049] Please refer to Figure 2 In this embodiment, two middle frame positioning mechanisms 22 are symmetrically arranged on either side of the first linear module 211 in the conveying direction. The middle frame positioning mechanism 22 includes a second linear module 221, a positioning frame 222 arranged at the output end of the second linear module 221, and a middle frame vision camera 223 arranged on the positioning frame 222. The second linear module 221 can drive the middle frame vision camera 223 toward or away from the first linear module 211. Specifically, the two second linear modules 221 are symmetrically arranged on either side of the first linear module 211 and are perpendicular to the first linear module 211. The second linear modules 221 can be linear motors. The arrangement of the positioning frame 222 allows the middle frame vision camera 223 to be placed above the middle frame receiving platform 213 to facilitate positioning of the screen middle frame.

[0050] This embodiment provides dual protection for the positioning of the screen's middle frame through two symmetrically arranged middle frame positioning mechanisms 22. This allows for simultaneous monitoring and adjustment of the screen's middle frame from both sides, effectively reducing the potential deviations caused by unilateral positioning and further improving the positioning accuracy and stability of the screen's middle frame. Furthermore, the design of the second linear module 221 enables the middle frame vision camera 223 to move closer to or further away from the first linear module 211 as needed. This adjustability is not only suitable for middle frames of different sizes and shapes, but also allows for flexible adjustments based on the needs of different stages in the production process. For example, during the initial alignment phase, the middle frame vision camera 223 can move closer to the screen's middle frame to obtain a clearer image; once the positioning is confirmed, the middle frame vision camera 223 can move back to avoid interfering with subsequent processes.

[0051] Please refer to Figure 3 It should be noted that the positioning frame 222 of this embodiment is also provided with a light source 24. Two light sources 24 can be provided, one of which is located on the periphery of the middle-frame visual camera 223 and the other is located below the middle-frame visual camera 223. This can effectively reduce interference from the external environment and improve imaging effects. In addition, the middle-frame visual camera 223 is movably mounted on the positioning frame 222 via a first adjustment block 25. The positioning frame 222 is provided with a plurality of first guide rods 26. The first adjustment block 25 is movably mounted on the plurality of first guide rods 26. A first screw 27 is connected to the first adjustment block 25. The first screw 27 is threadedly connected to the positioning frame 222. When the first screw 27 is rotated, the first adjustment block 25 is driven to rise and fall, thereby adjusting the height of the middle-frame visual camera 223 to better adapt to different working environments and work requirements.

[0052] Please refer to Figure 4 In this embodiment, the lifting mechanism 31 includes a fixed base 311, a connecting frame 312 mounted on the fixed base 311, and a lifting drive 313 for driving the connecting frame 312 upward and downward. The connecting frame 312 is slidably connected to the fixed base 311 via a guide rail and slider unit. Specifically, the fixed base 311 is located near the end of the first linear module 211. The guide rail is mounted on the fixed base 311, and the slider is mounted on the connecting frame 312. The slider is slidably mounted on the guide rail. The guide rail and slider units are arranged in two sets at intervals.

[0053] Furthermore, the lifting drive 313 utilizes a screw rod 3132 to achieve the lifting function of the connecting frame 312. The lifting drive 313 includes a lifting motor 3131 fixed to the fixed base 311, and a screw rod 3132 rotatably mounted on the fixed base 311. A driving pulley 3133 and a driven pulley 3134 are respectively provided at the output end of the lifting motor 3131 and one end of the screw rod 3132. The driving pulley 3133 and the driven pulley 3134 are connected by a belt 3135. The connecting frame 312 is threadedly connected to the screw rod 3132 via a connecting block. Thus, when the lifting motor 3131 drives the driving pulley 3133 to rotate, it drives the driven pulley 3134 and the screw rod 3132 to rotate, thereby driving the connecting frame 312 to rise and fall. This drive method can greatly save the installation space of the lifting drive 313, improve space utilization, and facilitate assembly. Of course, as another embodiment, the lifting drive 313 can also be directly driven by a cylinder.

[0054] The lifting mechanism 31 of this embodiment, with its fixed base 311 providing a solid foundation for support, combined with the precise control of the lifting drive 313, ensures the stability and reliability of the connecting frame 312 during the lifting process. Furthermore, the use of the guide rail and slider unit enables the connecting frame 312 to move precisely along a predetermined trajectory during the lifting process, achieving high-precision positioning.

[0055] Please refer to Figure 4 and Figure 5 In this embodiment, the flipping mechanism 33 includes a flipping frame 331 rotatably mounted on the connecting frame 312, and a flipping driving member 332 provided on the flipping frame 331 and used to drive the flipping frame 331 to rotate. The flipping frame 331 is provided with a screen receiving platform 333 for placing the screen panel, and a suction cup assembly 334 for holding the screen receiving platform 333. The flipping driving member 332 is arranged on one side of the flipping frame 331, and its output end is connected to the flipping frame 331. Among them, the screen receiving platform 333 includes a stacked pressure-maintaining jig and a control jig, and the screen panel is fixed on the control jig. The suction cup assembly 334 includes a plurality of suction cups arranged in an array on the flipping frame 331, and the pressure-maintaining jig is sucked by the joint action of the plurality of suction cups to prevent it from shifting or falling off during the flipping process.

[0056] The design of the flipping mechanism 33 of this embodiment allows the screen panel to be flipped during the processing or assembly process, thereby facilitating the gluing and bonding operations of the screen panel. The screen support 333 serves as a support platform for the screen panel, and combined with the strong suction of the suction cup assembly 334, ensures the stability and accuracy of the screen panel during the flipping process, effectively prevents the screen panel from shifting or slipping during the flipping process, and ensures the smooth progress of subsequent process steps.

[0057] Please refer to Figure 4 and Figure 6 In this embodiment, the screen positioning mechanism 32 comprises two symmetrical, spaced-apart mechanisms, each located near opposite edges of the flip mechanism 33. The screen positioning mechanism 32 includes a mounting frame 321 and a screen vision camera 322 mounted on the mounting frame 321. Specifically, the flip mechanism 33 is located between the fixed base 311 and the second linear module 221. Similarly, the two screen positioning mechanisms 32 are also located between the fixed base 311 and the second linear module 221. The screen vision camera 322 is movably connected to the mounting frame 321 via an adapter 323. The screen vision camera 322 is movably mounted on the adapter 323 via a second adjustment block 324. The adapter 323 is provided with a plurality of second guide rods 325. The second adjustment block 324 is movably mounted on the plurality of second guide rods 325. A second screw 326 is connected to the second adjustment block 324 and is threadedly connected to the adapter 323. When the second screw 326 rotates, it can drive the screen vision camera 322 to rise and fall along the Z-axis. Furthermore, the mounting bracket 321 is equipped with a plurality of third guide rods 327. The adapter 323 is slidably secured to the mounting bracket 321 via a third adjustment block. The third adjustment block is equipped with a third screw 328, which is threadedly connected to the mounting bracket 321. Rotation of the third screw 328 drives the screen vision camera 322 to move horizontally along the Y-axis. It should also be noted that a corresponding light source is provided above the screen vision camera 322.

[0058] The dual-vision camera configuration 32 of this embodiment enables comprehensive and precise positioning of the screen panel, effectively avoiding the potential blind spots of a single camera. This ensures accurate positioning of the screen panel at all angles and positions, providing reliable data support for subsequent process steps. Furthermore, the dual-vision camera configuration not only improves positioning accuracy but also enhances system stability and reliability.

[0059] It should be noted that the middle frame positioning mechanism 22 and the screen positioning mechanism 32 of this embodiment cooperate with each other to achieve precise alignment of the middle frame and the screen. Specifically, the middle frame vision camera 223 locates the position of the screen middle frame through imaging and stores the position information. Subsequently, when the flip mechanism 33 flips the screen panel, the screen vision camera 322 locates the position of the screen panel through imaging and stores the position information. The parameters of the two position information are then compared. After running the algorithm, the XXY alignment platform 212 compensates for the position of the screen middle frame, thus ensuring precise alignment of the screen panel and the screen middle frame.

[0060] Please refer to Figure 7In this embodiment, the dispensing mechanism 42 includes a mobile plate 421 located at the output end of the three-axis manipulator 41, as well as a dispensing head 422, a dispensing vision camera 423, and a glue barrel 424 located on the mobile plate 421. The glue barrel 424 is used to supply glue to the dispensing head 422, and the dispensing vision camera 423 is used to locate the dispensing position on the screen. The three-axis manipulator 41 includes an X-axis manipulator, a Y-axis manipulator, and a Z-axis manipulator. The mobile plate 421 is fixed to the output end of the Z-axis manipulator. The dispensing head 422, the dispensing vision camera 423, and the glue barrel 424 are spaced apart on the mobile plate 421. The specific location can be set according to actual needs. In addition, a corresponding light source is provided below the dispensing vision camera 423.

[0061] The dispensing mechanism 42 of this embodiment is integrated at the output end of the three-axis manipulator 41. Through the flexible movement of the manipulator, the dispensing head 422 can accurately reach any dispensing position on the screen panel; the introduction of the dispensing vision camera 423 enables the dispensing position to be accurately positioned through image recognition technology, which has higher accuracy and adaptability than mechanical positioning, and can automatically correct positioning errors caused by factors such as screen panel size differences and position offsets.

[0062] Please refer to Figure 1 In this embodiment, a dispensing correction device 5 is also provided on the machine 1. The dispensing correction device 5 includes a bracket 51 provided on the machine 1, and a needle sensor 52, a sample plate 53 and a discharge barrel 54 provided on the bracket 51 in sequence. A sticker is placed on the sample plate 53, and a line laser 425 is also provided on the movable plate 421.

[0063] The dispensing correction device 5 of this embodiment provides a quality control link for the dispensing process. The position of the dispensing head 422 can be accurately detected by the needle sensor 52, and the position of the dispensing head 422 can be corrected to prevent the problem of inaccurate dispensing caused by the position deviation of the dispensing head 422. The specific principle is to detect the position of the dispensing head 422 through multiple needle sensors 52, and then calibrate the detected position as the initial position. The test plate 53 and the stickers thereon provide a real simulation environment for dispensing correction. Before actual production, a dispensing test can be performed on the test plate 53, and the shape, width, position and other parameters of the dispensing can be monitored in real time by the line laser 425 to ensure that the dispensing effect meets expectations. In addition, the setting of the discharge barrel 54 can exhaust and remove hardened or dirty glue before dispensing, keeping the production environment clean and the glue effective. In summary, the dispensing correction device 5 of this technical solution integrates the dispensing head 422 correction, dispensing quality verification, real-time trial and error and adjustment, and dispensing and exhaust functions, which can effectively improve the dispensing quality.

[0064] Please refer to Figure 1 and Figure 8In this embodiment, the machine 1 is further provided with an eraser device 6. This device 6 comprises an eraser rack 61 mounted on the machine 1, an eraser element 63 mounted on the eraser rack 61, and two roll racks 62 arranged in a triangular configuration. The eraser element 63 and the two roll racks 62 are positioned on one side of the screen laminating device 3. The two roll racks 62 serve as an unwinding rack 62 and a rewinding rack 62, respectively, for conveying and retrieving eraser film. The eraser film roll is drawn from one of the roll racks 62, passes around the eraser element 63, and is retrieved by the other roll rack 62.

[0065] The eraser 63 comprises two symmetrically positioned limit blocks 631, each with an elastic block 632 on its opposing side. A rubber eraser gap is defined between the two elastic blocks 632, and a plurality of guide shafts 633 are positioned on opposite sides of the gap. In this embodiment, two guide shafts 633 are positioned symmetrically along the gap, located on the side of the gap closest to the two roll holders 62. A third guide shaft 633 is positioned on the side of the gap away from the two roll holders 62, located at the central axis of the gap.

[0066] The introduction of the glue erasing device 6 provides timely cleaning of screens or other components requiring glue application. After dispensing or when excess glue needs to be removed, the glue erasing element 63 precisely removes residual glue, ensuring a clean and aesthetically pleasing product surface while preventing quality issues caused by residual glue. Furthermore, integrating the glue erasing device 6 into the machine 1 enables continuous glue dispensing and erasing operations.

[0067] Please refer to Figure 1 In this embodiment, the machine 1 is further provided with a weighing device 7, which includes a weighing frame mounted on the machine 1 and an electronic scale mounted on the weighing frame. The weighing device 7 allows for precise control of the amount of glue dispensed. Specifically, the amount of glue dispensed by the dispensing head 422 is weighed before actual dispensing to ensure that the amount of glue dispensed meets expectations, thereby ensuring the dispensing quality of the dispensing head 422.

[0068] In the description of the present invention, it should be understood that terms such as "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0069] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature specified as "first" or "second" may explicitly or implicitly include one or more of such features. In the description of this utility model, "plurality" means two or more, unless otherwise specifically defined.

[0070] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A screen dispensing and laminating machine, characterized in that: include: Machine; The middle frame loading device includes a middle frame conveying mechanism and a middle frame positioning mechanism provided on the machine platform, wherein the middle frame conveying mechanism is used to transfer and fix the screen middle frame, and the middle frame positioning mechanism is used to position the screen middle frame; The screen laminating device includes a lifting mechanism and a screen positioning mechanism provided on the machine platform, and a flipping mechanism provided at the output end of the lifting mechanism. The flipping mechanism is used to fix and flip the screen panel, the screen positioning mechanism is used to position the screen panel, and the middle frame conveying mechanism can move the screen middle frame to the bottom of the flipping mechanism so that the screen panel and the screen middle frame are opposite each other. A dispensing device, comprising a three-axis manipulator provided on the machine platform, and a dispensing mechanism provided at the output end of the three-axis manipulator, wherein the dispensing mechanism is located above the screen laminating device and is used to dispense glue to the screen panel; A dispensing calibration device, provided on the machine platform, for testing the dispensing position and dispensing parameters; The glue erasing device is arranged on the machine platform and is used for erasing the residual glue in the glue dispensing mechanism.

2. The screen dispensing and laminating machine according to claim 1, characterized in that: The middle frame conveying mechanism includes a first linear module, an XXY alignment platform provided at the output end of the first linear module, and a middle frame receiving platform provided on the XXY alignment platform. The starting end of the first linear module is close to the edge of the machine platform, and the end end is close to the screen bonding device.

3. The screen dispensing and laminating machine according to claim 2, characterized in that: There are two middle frame positioning mechanisms, which are symmetrically arranged on both sides of the conveying direction of the first linear module. The middle frame positioning mechanism includes a second linear module, a positioning frame arranged at the output end of the second linear module, and a middle frame vision camera arranged on the positioning frame. The second linear module can drive the middle frame vision camera to approach or move away from the first linear module.

4. The screen dispensing and laminating machine according to claim 1, characterized in that: The lifting mechanism includes a fixed seat, a connecting frame arranged on the fixed seat, and a lifting driving member for driving the connecting frame to move up and down. The connecting frame is slidably connected to the fixed seat through a guide rail slider unit.

5. The screen dispensing and laminating machine according to claim 4, characterized in that: The flip mechanism includes a flip frame rotatably mounted on the connecting frame, and a flip driving member provided on the flip frame and used to drive the flip frame to rotate. The flip frame is provided with a screen receiving platform for placing a screen panel, and a suction cup assembly for holding the screen receiving platform.

6. The screen dispensing and laminating machine according to claim 1, characterized in that: The screen positioning mechanism is composed of two symmetrical and spaced apart edges respectively close to the edges on opposite sides of the flip mechanism. The screen positioning mechanism includes a mounting frame and a screen vision camera arranged on the mounting frame.

7. The screen dispensing and laminating machine according to claim 1, characterized in that: The dispensing mechanism includes a movable plate arranged at the output end of the three-axis manipulator, and a dispensing head, a dispensing vision camera and a glue barrel arranged on the movable plate. The glue barrel is used to supply glue to the dispensing head, and the dispensing vision camera is used to locate the dispensing position of the screen.

8. The screen dispensing and laminating machine according to claim 7, characterized in that: The dispensing correction device includes a bracket arranged on the machine platform, and a needle sensor, a sample plate and a discharge barrel arranged on the bracket in sequence. A sticker is placed on the sample plate, and a line laser is also provided on the movable plate.

9. The screen dispensing and laminating machine according to claim 1, characterized in that: The glue erasing device comprises a glue erasing frame arranged on the machine platform, a glue erasing piece arranged on the glue erasing frame and two roll frames, and the glue erasing piece and the two roll frames are distributed in a triangle.

10. The screen dispensing and laminating machine according to claim 1, characterized in that: The machine platform is further provided with a weighing device, which includes a weighing frame provided on the machine platform and an electronic scale provided on the weighing frame.

Images