Sealing and welding structure for shell of FPD liquid crystal display device

Abstract

The invention relates to the technical field of welding equipment, and discloses an FPD liquid crystal display equipment shell sealing welding structure which comprises a rack, a welding assembly used for welding an FPD liquid crystal display equipment shell is arranged on the upper surface of the rack, and a conveying assembly used for conveying the FPD liquid crystal display equipment shell is arranged on one side of the rack. A positioning assembly used for lifting a shell of the FPD liquid crystal display device is arranged on the inner side of the machine frame, and a sealing assembly used for pressing the shell of the FPD liquid crystal display device is arranged in the machine frame. According to the shell conveying device, through the conveying structure that the conveying belt is matched with the supporting rollers, it is guaranteed that the shell conveying process is stable and free of deviation, the positioning assemblies drive supporting plates to ascend and descend through telescopic rods, suction cups controlled by four branch air pipes are matched for adsorption and fixation, and rapid and accurate positioning of the shell is achieved by combining guiding limiting of positioning rods and supports; and weld joint deviation caused by shell displacement during welding is effectively avoided.

Description

Technical Field

[0001] This invention relates to the field of welding equipment technology, specifically to a sealing welding structure for the housing of an FPD liquid crystal display device. Background Technology

[0002] FPD LCD device housing sealing welding is a special welding process for the housing of flat panel LCD devices. The core is to perform sealing welding treatment at the splicing points of the housing, which not only ensures the structural strength of the housing, but also achieves the sealing protection effect of dustproof, waterproof and electromagnetic shielding. It is a key process in the processing of FPD LCD device housings.

[0003] Currently, most welding mechanisms rely on manual positioning and pressing, which is not only labor-intensive and costly, but also prone to weld misalignment and gaps due to positioning deviations and uneven pressing force, resulting in insufficient sealing of the shell and difficulty in meeting the stringent requirements of dustproof, waterproof and electromagnetic shielding. To address this, we propose a sealing welding structure for the shell of FPD liquid crystal display equipment. Summary of the Invention

[0004] To address the shortcomings of existing technologies, this invention provides a sealing welding structure for the housing of an FPD liquid crystal display device. This solves the problem that most existing welding mechanisms rely on manual positioning and pressing, which is not only labor-intensive and costly, but also prone to weld misalignment and gaps due to positioning deviations and uneven pressing force, thus leading to insufficient housing sealing and difficulty in meeting the stringent requirements of dustproof, waterproof and electromagnetic shielding.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a sealing and welding structure for an FPD (Flat Display Device) housing, comprising a frame, a welding assembly for welding the FPD housing on the upper surface of the frame, a conveying assembly for conveying the FPD housing on one side of the frame, a positioning assembly for supporting the FPD housing on the inner side of the frame, and a sealing assembly for pressing the FPD housing inside the frame. The welding assembly includes an X-axis conveying mechanism mounted on the upper surface of the frame, a mounting bracket slidably mounted on the X-axis conveying mechanism, and a Y-axis conveying mechanism mounted on one side of the mounting bracket. A Z-axis conveyor mechanism is slidably mounted on the shaft conveyor mechanism, and an assembly base is slidably mounted on the Z-axis conveyor mechanism. A welding gun is mounted on one side of the assembly base. The conveying assembly includes stabilizing plates mounted on both sides of the frame. A transmission rod is rotatably connected to the inner wall of the stabilizing plate. Two symmetrically arranged conveyor belts are mounted at both ends of the transmission rod for conveying the FPD LCD display device shell. The conveying structure of the conveyor belts and support rollers ensures that the shell is conveyed smoothly without deviation. The positioning assembly uses a telescopic rod to drive the pallet to rise and fall, and is fixed by suction cups controlled by four-way branched air pipes. Combined with the guiding and limiting of the positioning rod and the bracket, the shell is positioned quickly and accurately, effectively avoiding weld deviation caused by shell displacement during welding.

[0006] Preferably, the positioning component includes a carrier plate fixedly connected to the inner side of the frame. A vertical telescopic rod is fixedly connected to the upper surface of the carrier plate. A support plate is fixedly connected to the output end of the telescopic rod. Four symmetrically arranged suction cups are fixedly connected to the upper surface of the support plate for adsorbing and positioning the FPD LCD display device housing. When the housing is conveyed to the top of the positioning component, the conveying component stops operating. The telescopic rod in the positioning component starts and extends upward, driving the support plate to rise and fit against the bottom of the housing. At the same time, the pump in the positioning sleeve below the carrier plate starts, delivering negative pressure to the four suction cups through a four-branched air pipe. The suction cups adsorb the bottom of the housing, achieving precise positioning of the housing. The positioning rod below the support plate slides vertically along the L-shaped bracket, cooperating with the stop block to limit the lifting stroke of the support plate and ensure positioning stability. When the upper end of the FPD LCD display device housing abuts against the rubber roller, the telescopic rod is closed.

[0007] Preferably, the sealing assembly includes two mounting plates placed inside the frame, arranged symmetrically. Two symmetrically arranged pressure rollers are rotatably connected to the sides of the two mounting plates that are close to each other. Rubber rollers are mounted on the pressure rollers. A slide bar is mounted on one side of the frame. Two symmetrically arranged sliders are fixedly connected to one side of one of the mounting plates, and the sliders slide horizontally on the slide bar. Symmetrically arranged threaded seats are fixedly connected to one side of the two mounting plates. A positioning block is fixedly connected to the side of the frame away from the slide bar. A horizontally arranged screw is rotatably connected to one side of the positioning block. The threaded seat is threaded onto the screw. A servo motor drives the screw to move the mounting plates synchronously closer. The rubber rollers roll and press the joint of the outer shell, uniformly eliminating gaps and laying a good foundation for sealing welding. A three-dimensional conveying mechanism drives the welding gun to move precisely, and with the help of supplementary lighting and real-time monitoring by a camera, the weld formation is aesthetically pleasing, the sealing performance meets standards, and the welding defect rate is significantly reduced.

[0008] Preferably, the upper surface of the frame is fixedly connected to two symmetrically arranged positioning frames. The positioning frames are L-shaped, and the lower surface of the upper end of the positioning frames is fixedly connected to a camera for monitoring the welding operation of the FPD LCD display device shell. The camera is used to drive the conveyor belt to transport the FPD LCD display device shell through the transmission rod. From material conveying, positioning and fixing, sealing and pressing, to welding operation and finished product output, the whole process is automated and coordinated, reducing manual intervention. This not only reduces the intensity of manual operation and human error, but also significantly shortens the welding cycle of a single shell, meeting the needs of mass production.

[0009] Preferably, two symmetrically arranged supplementary lights are installed on the side of the mounting frame away from the Y-axis conveying mechanism to provide supplementary lighting for the processing area.

[0010] Preferably, a drive motor is installed on one side of one of the stabilizing plates. The drive end of the drive motor is fixedly connected to the shaft of the transmission rod. When the drive motor of the conveying assembly is started, the drive motor drives the transmission rod to rotate, thereby driving the conveyor belts at both ends to run. The FPD LCD display device housing is placed on the conveyor belt and moves towards the processing area inside the frame under the drive of the conveyor belt. The support rollers inside the frame support the upper conveyor belt to ensure that the conveying process is stable and without deviation.

[0011] Preferably, a positioning sleeve is fixedly connected to the lower surface of the carrier plate, a pump body is installed in the positioning sleeve, an air pipe is installed at the drive end of the pump body, and the end of the air pipe away from the pump body is provided with four branches for connecting to four suction cups respectively, controlling the adsorption and release of the FPD liquid crystal display device shell. When the pump body in the positioning sleeve below the carrier plate is activated, negative pressure is delivered to the four suction cups through the air pipe with four branches. The suction cups adsorb the bottom of the shell, realizing the precise positioning of the shell.

[0012] Preferably, the upper surface of the carrier plate is fixedly connected to two symmetrically arranged brackets, which are L-shaped. The lower surface of the tray is fixedly connected to four symmetrically arranged positioning rods, which pass through the inside of the brackets and can slide along the vertical direction of the brackets. The lower end of the positioning rod is fixedly connected to a stop. The modular design of each component makes installation and maintenance convenient. The L-shaped positioning frame, mounting sleeve and other structures ensure the installation stability of components such as cameras and servo motors. The positioning rod stop, slider and slide bar and other guide and limit structures further improve the overall stability and service life of the equipment.

[0013] Preferably, the inner side of the frame is rotatably connected to two symmetrically arranged support rollers, which are supported below the upper conveyor belt.

[0014] Preferably, a mounting sleeve is fixedly connected to one side of the frame, and a servo motor is installed inside the mounting sleeve. The drive end of the servo motor is fixedly connected to the shaft of the screw.

[0015] In summary, the technical effects and advantages of this invention are as follows: 1. In this invention, the conveyor structure of the conveyor belt and the support roller ensures that the outer shell is conveyed smoothly without deviation. The positioning component uses a telescopic rod to drive the pallet to rise and fall, and is fixed by suction cup controlled by four branched air pipes. Combined with the positioning rod and the guide limit of the bracket, the outer shell is positioned quickly and accurately, effectively avoiding weld deviation caused by the displacement of the outer shell during welding.

[0016] 2. In this invention, the servo motor drives the screw to move the mounting plate closer to the outside, and the rubber roller rolls to press the joint of the outer shell, which can uniformly eliminate gaps and lay a good foundation for sealing welding. The three-dimensional conveying mechanism drives the welding gun to move precisely, and with the help of the supplementary light and the camera for real-time monitoring, it ensures that the weld is beautiful and the sealing meets the standards, which greatly reduces the welding defect rate.

[0017] 3. In this invention, from material conveying, positioning and fixing, sealing and pressing, to welding operations and finished product output, the entire process is automated and coordinated, reducing manual intervention. This not only reduces the intensity of manual operation and human error, but also significantly shortens the welding cycle of a single shell, meeting the needs of mass production.

[0018] 4. In this invention, each component is modularly designed, making installation and maintenance convenient. The L-shaped positioning frame, mounting sleeve and other structures ensure the installation stability of components such as cameras and servo motors. The positioning rod stop, slider and slide rod and other guiding and limiting structures further improve the overall stability and service life of the equipment. Attached Figure Description

[0019] Figure 1This is a schematic diagram of the overall structure of the sealing and welding structure for the housing of an FPD liquid crystal display device according to the present invention; Figure 2 This is a rear view schematic diagram of a sealing and welding structure for the housing of an FPD liquid crystal display device according to the present invention; Figure 3 This is a bottom view schematic diagram of the sealing and welding structure of the housing of an FPD liquid crystal display device according to the present invention; Figure 4 This invention relates to a sealing and welding structure for the housing of an FPD liquid crystal display device. Figure 3 A schematic diagram of the structure at point A; Figure 5 This is a partial cross-sectional view of a sealing and welding structure for the housing of an FPD liquid crystal display device according to the present invention. Figure 6 This is a side view of a sealing and welding structure for the housing of an FPD liquid crystal display device according to the present invention. Figure 7 This is a top view schematic diagram of a sealing and welding structure for the housing of an FPD liquid crystal display device according to the present invention.

[0020] In the diagram: 1. Frame; 2. Welding assembly; 21. X-axis conveyor mechanism; 22. Mounting frame; 23. Y-axis conveyor mechanism; 24. Z-axis conveyor mechanism; 25. Assembly base; 26. Welding gun; 27. Positioning frame; 28. Camera; 29. ​​Fill light; 3. Conveying assembly; 31. Stabilizing plate; 32. Conveyor belt; 33. Transmission rod; 34. Drive motor; 4. Positioning assembly; 41. Carrier plate; 42. Positioning sleeve; 43. Pump body; 44. Air pipe; 45. Bracket; 46. Support plate; 47. Positioning rod; 48. Stop block; 49. Telescopic rod; 410. Suction cup; 411. Support roller; 5. Sealing assembly; 51. Mounting plate; 52. Pressure roller; 53. Rubber roller; 54. Slider; 55. Slide rod; 56. Positioning block; 57. Screw; 58. Threaded seat; 59. Servo motor; 510. Mounting sleeve. Detailed Implementation

[0021] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0022] refer to Figures 1-7The diagram illustrates a sealing and welding structure for an FPD (Flat Display Device) housing, comprising a frame 1. A welding assembly 2 for welding the FPD housing is mounted on the upper surface of the frame 1. A conveying assembly 3 for conveying the FPD housing is mounted on one side of the frame 1. A positioning assembly 4 for supporting the FPD housing is mounted on the inner side of the frame 1. A sealing assembly 5 for pressing the FPD housing is located inside the frame 1. The welding assembly 2 includes an X-axis conveying mechanism 21 mounted on the upper surface of the frame 1. A mounting bracket 22 is slidably mounted on the X-axis conveying mechanism 21. A Y-axis conveying mechanism 23 is mounted on one side of the mounting bracket 22. A Z-axis conveying mechanism 24 is slidably mounted on the Y-axis conveying mechanism 23. An assembly base 25 is slidably mounted on the conveying mechanism 24. A welding gun 26 is mounted on one side of the assembly base 25. The conveying assembly 3 includes stabilizing plates 31 mounted on both sides of the frame 1. A transmission rod 33 is rotatably connected to the inner wall of the stabilizing plate 31. Two symmetrically arranged conveyor belts 32 are mounted at both ends of the transmission rod 33 for conveying the FPD LCD display device shell. The conveying structure of the conveyor belts 32 and the support rollers 411 ensures that the shell is conveyed smoothly without deviation. The positioning assembly 4 uses a telescopic rod 49 to drive the pallet 46 to rise and fall. It is then fixed by suction cups 410 controlled by four-way branched air pipes 44. Combined with the guiding and limiting of the positioning rod 47 and the bracket 45, the shell is positioned quickly and accurately, effectively avoiding weld deviation caused by shell displacement during welding.

[0023] The positioning component 4 includes a carrier plate 41 fixedly connected to the inner side of the frame 1. A vertical telescopic rod 49 is fixedly connected to the upper surface of the carrier plate 41. A support plate 46 is fixedly connected to the output end of the telescopic rod 49. Four symmetrically arranged suction cups 410 are fixedly connected to the upper surface of the support plate 46 for adsorbing and positioning the FPD LCD display device housing. When the housing is transported to the top of the positioning component 4, the conveying component 3 stops operating. The telescopic rod 49 in the positioning component 4 starts and extends upward, driving the support plate 46 to rise and fit against the bottom of the housing. At the same time, the pump 43 in the positioning sleeve 42 below the carrier plate 41 starts and delivers negative pressure to the four suction cups 410 through the four-branched air pipe 44. The suction cups 410 adsorb the bottom of the housing, achieving precise positioning of the housing. The positioning rod 47 below the support plate 46 slides vertically along the L-shaped bracket 45, and works with the stop block 48 to limit the lifting stroke of the support plate 46 to ensure positioning stability. When the upper end of the FPD LCD display device housing abuts against the rubber roller 53, the telescopic rod 49 is closed.

[0024] The sealing assembly 5 includes two mounting plates 51 placed inside the frame 1, arranged symmetrically. Two symmetrically arranged pressure rollers 52 are rotatably connected to the sides of the two mounting plates 51 that are close to each other. Rubber rollers 53 are mounted on the pressure rollers 52. A slide bar 55 is mounted on one side of the frame 1. Two symmetrically arranged sliders 54 are fixedly connected to one side of one of the mounting plates 51, and the sliders 54 slide horizontally on the slide bar 55. Symmetrically arranged threaded seats 58 are fixedly connected to one side of each mounting plate 51. A positioning block 56 is fixedly connected to the side away from the slide bar 55. A horizontally set screw 57 is rotatably connected to one side of the positioning block 56. A threaded seat 58 is threaded onto the screw 57. A servo motor 59 drives the screw 57 to move the mounting plate 51 closer in sync. The rubber roller 53 rolls and presses the splice of the outer shell, which can evenly eliminate gaps and lay a good foundation for sealing welding. The three-dimensional conveying mechanism drives the welding gun 26 to move precisely. With the help of the supplementary light 29 and the camera 28 monitoring in real time, the weld is made beautiful and the sealing meets the standards, which greatly reduces the welding defect rate.

[0025] The upper surface of the frame 1 is fixedly connected to two symmetrically arranged positioning frames 27. The positioning frames 27 are L-shaped, and the lower surface of the upper end of the positioning frame 27 is fixedly connected to a camera 28, which is used to monitor the welding operation of the FPD LCD display device shell and to drive the conveyor belt 32 to transport the FPD LCD display device shell through the transmission rod 33. From material conveying, positioning and fixing, sealing and pressing, to welding operation and finished product output, the whole process realizes automated collaborative operation, reduces manual intervention, not only reduces the intensity of manual operation and human error, but also significantly shortens the welding cycle of a single shell, meeting the needs of mass production.

[0026] Two symmetrically arranged supplementary lights 29 are installed on the side of the mounting frame 22 away from the Y-axis conveying mechanism 23 for supplementary lighting of the processing area.

[0027] One of the stabilizing plates 31 has a drive motor 34 installed on one side. The drive end of the drive motor 34 is fixedly connected to the shaft of the transmission rod 33. When the drive motor 34 of the conveying assembly 3 is started, the drive motor 34 drives the transmission rod 33 to rotate, which in turn drives the conveyor belts 32 at both ends to rotate. The FPD LCD display device housing is placed on the conveyor belt 32 and moves towards the processing area inside the frame 1 under the drive of the conveyor belt 32. The support roller 411 inside the frame 1 supports the upper conveyor belt 32 to ensure that the conveying process is stable and without deviation.

[0028] The lower surface of the carrier plate 41 is fixedly connected to a positioning sleeve 42, and a pump body 43 is installed in the positioning sleeve 42. An air pipe 44 is installed at the drive end of the pump body 43. The end of the air pipe 44 away from the pump body 43 is provided with four branches, which are used to connect to four suction cups 410 respectively to control the adsorption and release of the FPD LCD display device shell. When the pump body 43 in the positioning sleeve 42 below the carrier plate 41 is activated, negative pressure is delivered to the four suction cups 410 through the air pipe 44 with four branches. The suction cups 410 adsorb the bottom of the shell to achieve precise positioning of the shell.

[0029] The upper surface of the carrier plate 41 is fixedly connected to two symmetrically arranged brackets 45, which are L-shaped. The lower surface of the support plate 46 is fixedly connected to four symmetrically arranged positioning rods 47. The positioning rods 47 pass through the inside of the brackets 45 and can slide along the vertical direction of the brackets 45. The lower end of the positioning rods 47 is fixedly connected to a stop block 48. The modular design of each component makes installation and maintenance convenient. The L-shaped positioning frame 27, the mounting sleeve 510 and other structures ensure the installation stability of components such as the camera 28 and the servo motor 59. The positioning rods 47, the stop block 48, the slider 54 and the slide rod 55 and other guide and limit structures further improve the overall stability and service life of the equipment.

[0030] The inner side of the frame 1 is rotatably connected to two symmetrically arranged support rollers 411, which are supported below the upper conveyor belt 32.

[0031] Among them, a mounting sleeve 510 is fixedly connected to one side of the frame 1, and a servo motor 59 is installed inside the mounting sleeve 510. The drive end of the servo motor 59 is fixedly connected to the shaft of the screw 57.

[0032] The working principle of this invention is as follows: The drive motor 34 of the conveying component 3 is started, and the drive motor 34 drives the transmission rod 33 to rotate, which in turn drives the conveyor belts 32 at both ends to rotate. The FPD LCD display device housing is placed on the conveyor belt 32 and moves towards the processing area inside the frame 1 under the drive of the conveyor belt 32. The support roller 411 inside the frame 1 supports the upper conveyor belt 32 to ensure that the conveying process is stable and without deviation. When the outer shell is conveyed to the top of the positioning component 4, the conveying component 3 stops operating, the telescopic rod 49 in the positioning component 4 starts and extends upward, driving the pallet 46 to rise to fit against the bottom of the outer shell. At the same time, the pump 43 in the positioning sleeve 42 below the carrier plate 41 starts, delivering negative pressure to the four suction cups 410 through the four-branched air pipe 44. The suction cups 410 adsorb the bottom of the outer shell, achieving precise positioning of the outer shell. The positioning rod 47 below the pallet 46 slides vertically along the L-shaped bracket 45, and works with the stop block 48 to limit the lifting stroke of the pallet 46 to ensure positioning stability. When the upper end of the FPD LCD display device outer shell abuts against the rubber roller 53, the telescopic rod 49 is closed. When the servo motor 59 inside the mounting sleeve 510 on one side of the frame 1 is started, its drive end drives the screw 57 to rotate. The threaded seat 58 drives the corresponding mounting plate 51 to move horizontally under the action of the screw 57. The mounting plate 51 on the other side slides synchronously along the slide bar 55 through the slider 54, so that the two symmetrically arranged mounting plates 51 move closer to each other. The rubber roller 53 on the mounting plate 51 fits against the two sides of the outer shell, and the splice of the outer shell is pressed tightly by rolling and pressing to eliminate gaps and provide a guarantee for subsequent sealing welding. The X-axis conveying mechanism 21, Y-axis conveying mechanism 23 and Z-axis conveying mechanism 24 of the welding assembly 2 work together to drive the assembly base 25 and the welding gun 26 on one side to move precisely in three-dimensional space. According to the preset welding path, the welding gun 26 performs sealing welding on the joint of the pressed shell. The camera 28 monitors the welding process in real time, captures the welding trajectory and weld status to ensure welding sealing. At the same time, the supplementary light 29 on the mounting frame 22 is turned on to provide sufficient light to the welding area and improve the welding clarity. After welding is completed, pump body 43 stops outputting negative pressure, suction cup 410 releases the outer shell, telescopic rod 49 retracts and drives pallet 46 to descend, the welded FPD LCD display device outer shell falls back onto conveyor belt 32, and conveyor assembly 3 starts again to transport the welded outer shell out of the processing area, completing one sealing welding operation.

[0033] All electrical components mentioned in this article are connected to an external main controller and 220V AC mains power, and the main controller can be a conventional known device such as a computer that can control it.

[0034] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A sealed welded structure for the housing of an FPD liquid crystal display device, comprising a frame (1), characterized in that: The upper surface of the frame (1) is provided with a welding assembly (2) for welding the housing of the FPD liquid crystal display device. One side of the frame (1) is provided with a conveying assembly (3) for conveying the housing of the FPD liquid crystal display device. The inner side of the frame (1) is provided with a positioning assembly (4) for supporting the housing of the FPD liquid crystal display device. The inside of the frame (1) is provided with a sealing assembly (5) for pressing the housing of the FPD liquid crystal display device. The welding assembly (2) includes an X-axis conveying mechanism (21) mounted on the upper surface of the frame (1). A mounting bracket (22) is slidably mounted on the X-axis conveying mechanism (21). A Y-axis conveying mechanism (23) is installed on one side of the mounting frame (22), a Z-axis conveying mechanism (24) is slidably installed on the Y-axis conveying mechanism (23), an assembly seat (25) is slidably installed on the Z-axis conveying mechanism (24), a welding gun (26) is installed on one side of the assembly seat (25), and the conveying assembly (3) includes a stabilizing plate (31) installed on both sides of the frame (1). A transmission rod (33) is rotatably connected to the inner wall of the stabilizing plate (31), and two symmetrically arranged conveyor belts (32) are installed at both ends of the transmission rod (33) for conveying the FPD liquid crystal display device housing.

2. The sealing and welding structure for the housing of an FPD liquid crystal display device according to claim 1, characterized in that: The positioning component (4) includes a carrier plate (41) fixedly connected to the inner side of the frame (1). A vertical telescopic rod (49) is fixedly connected to the upper surface of the carrier plate (41). A tray (46) is fixedly connected to the output end of the telescopic rod (49). Four symmetrically arranged suction cups (410) are fixedly connected to the upper surface of the tray (46) for adsorbing and positioning the housing of the FPD liquid crystal display device.

3. The sealing and welding structure for the housing of an FPD liquid crystal display device according to claim 1, characterized in that: The sealing assembly (5) includes two mounting plates (51) placed inside the frame (1). The two mounting plates (51) are symmetrically arranged. Two symmetrically arranged pressure rollers (52) are rotatably connected to the side of the two mounting plates (51) that are close to each other. Rubber rollers (53) are installed on the pressure rollers (52). A slide rod (55) is installed on one side of the frame (1). Two symmetrically arranged sliders (54) are fixedly connected to one side of one of the mounting plates (51). The sliders (54) slide horizontally on the slide rod (55). A symmetrically arranged threaded seat (58) is fixedly connected to one side of one of the mounting plates (51). A positioning block (56) is fixedly connected to the side of the frame (1) away from the slide rod (55). A horizontally arranged screw (57) is rotatably connected to one side of the positioning block (56). The threaded seat (58) is threaded onto the screw (57).

4. The sealing and welding structure for the housing of an FPD liquid crystal display device according to claim 1, characterized in that: The upper surface of the frame (1) is fixedly connected to two symmetrically arranged positioning frames (27). The positioning frames (27) are L-shaped, and a camera (28) is fixedly connected to the lower surface of the upper end of the positioning frame (27) for monitoring the welding operation of the FPD liquid crystal display device shell.

5. The sealing and welding structure for the housing of an FPD liquid crystal display device according to claim 1, characterized in that: Two symmetrically arranged supplementary lights (29) are installed on the side of the mounting bracket (22) away from the Y-axis conveying mechanism (23) to provide supplementary lighting for the processing area.

6. The sealing and welding structure for the housing of an FPD liquid crystal display device according to claim 1, characterized in that: One of the stabilizers (31) is equipped with a drive motor (34) on one side. The drive end of the drive motor (34) is fixedly connected to the shaft of the transmission rod (33) and is used to drive the conveyor belt (32) to transport the FPD liquid crystal display device housing through the transmission rod (33).

7. The sealing and welding structure for the housing of an FPD liquid crystal display device according to claim 2, characterized in that: A positioning sleeve (42) is fixedly connected to the lower surface of the carrier plate (41). A pump body (43) is installed in the positioning sleeve (42). An air pipe (44) is installed at the drive end of the pump body (43). The end of the air pipe (44) away from the pump body (43) is provided with four branches, which are used to connect to four suction cups (410) respectively to control the adsorption and release of the FPD liquid crystal display device shell.

8. The sealing and welding structure for the housing of an FPD liquid crystal display device according to claim 2, characterized in that: The upper surface of the carrier plate (41) is fixedly connected to two symmetrically arranged brackets (45), the brackets (45) are L-shaped, and the lower surface of the tray (46) is fixedly connected to four symmetrically arranged positioning rods (47). The positioning rods (47) pass through the inside of the brackets (45) and can slide along the vertical direction of the brackets (45). The lower end of the positioning rods (47) is fixedly connected to a stop block (48).

9. The sealing and welding structure for the housing of an FPD liquid crystal display device according to claim 1, characterized in that: The inner side of the frame (1) is rotatably connected to two symmetrically arranged support rollers (411), which are supported below the upper conveyor belt (32).

10. The sealing and welding structure for the housing of an FPD liquid crystal display device according to claim 3, characterized in that: A mounting sleeve (510) is fixedly connected to one side of the frame (1). A servo motor (59) is installed inside the mounting sleeve (510). The drive end of the servo motor (59) is fixedly connected to the shaft of the screw (57).

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