Liquid crystal screen frame adhesive shaping device with adjustable light shielding mask

Abstract

This invention relates to a liquid crystal screen frame adhesive setting device with an adjustable light-shielding mask, belonging to the field of frame adhesive setting technology. It includes a base, a lifting structure, an adjusting structure, and a support frame. The base has a vertical side plate, a U-shaped mounting bracket, and a horizontal guide rail mounted on its top. An electric slider slides on the guide rail, moving the support plate and the liquid crystal screen horizontally. In the lifting structure, a drive component moves a horizontal connecting plate up and down, positioning the light source lamp in a suitable position to ensure uniform illumination. In the adjusting structure, a rotary adjustment component controls the rotation of light-shielding plates with uniformly distributed circumference and varying light transmittance, flexibly adjusting the light intensity. The support frame is located between two vertical side plates and is adjusted to be horizontal using a leveling component and a level, improving setting accuracy. The mask template on the support frame is fixedly connected by a pin assembly, allowing for quick and stable replacement of the mask template to meet different needs. This ensures accurate pattern formation during liquid crystal screen frame adhesive setting, improving setting quality and process adaptability.

Description

Technical Field

[0001] This invention relates to the field of frame adhesive shaping technology, and in particular to a liquid crystal screen frame adhesive shaping device with an adjustable light-shielding mask. Background Technology

[0002] The LCD panel frame adhesive setting device is a key piece of equipment used for frame adhesive molding and curing in LCD panel production. By precisely controlling the adhesive application process, a special adhesive is evenly applied to the edge of the glass substrate, forming an extremely narrow adhesive line. Subsequently, photocuring technology is used to rapidly set the adhesive, achieving the core objectives of sealing the LCD, fixing the panel structure, and isolating it from external interference, thus ensuring stable display performance and product lifespan.

[0003] However, existing LCD screen frame adhesive setting technologies suffer from numerous problems. Regarding illumination control, the distance between the light source and the LCD screen is difficult to precisely control. Traditional devices lack adjustable lifting structures, leading to insufficient illumination uniformity and easily causing uneven adhesive curing and localized stress concentration, directly impacting setting quality and product yield. Simultaneously, illumination intensity adjustment lacks flexibility. Existing technologies often rely on a single light source or a light-shielding plate with fixed transmittance, failing to dynamically adjust illumination intensity based on different frame adhesive materials, adhesive layer thicknesses, or process requirements. This results in poor process adaptability and difficulty in meeting diverse production needs. For example, the LCD screen dispensing device disclosed in publication number (CN223819040U), while improving the distance control between the light source and the LCD screen and enhancing illumination uniformity through a lifting structure, does not solve the problem of poor illumination intensity adjustment flexibility. It lacks a coordinated design of multi-transmittance light-shielding plates and rotating adjustment components, making it impossible to dynamically adjust intensity based on parameters such as frame adhesive material and adhesive layer thickness. This limits process adaptability, resulting in low efficiency and easily affecting yield in diversified production.

[0004] In view of this, the present invention is hereby proposed. Summary of the Invention

[0005] To overcome the technical defects of the existing technology, the present invention provides a liquid crystal screen frame adhesive shaping device with an adjustable light-shielding mask. It can flexibly select a light-shielding plate with appropriate light transmittance according to the specific requirements of different liquid crystal screen frame adhesive shaping, accurately adjust the light intensity, fully meet diverse shaping needs, and enhance the process adaptability.

[0006] The technical solution adopted in this invention includes a base, a lifting structure, an adjusting structure, and a support frame. Two vertical side plates, a U-shaped mounting bracket, and a horizontal guide rail are fixedly installed on the top of the base. The vertical side plates are located on one side of the U-shaped mounting bracket, and the horizontal guide rail is located inside the two vertical side plates. An electric slider is slidably installed on the horizontal guide rail. A support plate for fixing the LCD screen is installed on the top of the electric slider. The lifting structure includes a horizontal connecting plate and a driving assembly for controlling the lifting of the horizontal connecting plate. A light source is fixedly installed at the bottom of the horizontal connecting plate, and a support frame is fixedly installed at the top of the horizontal connecting plate. The device is equipped with an extension frame and an adjustment structure including a light-shielding plate and a rotation adjustment component for controlling the rotation of the light-shielding plate. The rotation adjustment component is fixedly connected to one end of the extension frame. The light-shielding plates are evenly distributed around the circumference, and each light-shielding plate has a different light transmittance. The support frame is located between two vertical side plates. A vertical limiting groove is provided on the vertical side plate, and a leveling component is installed in the vertical limiting groove. The support frame is connected to the leveling component. A level is fixedly installed on the outer wall of one end of the support frame. A masking template is provided on the support frame, and the masking template is fixedly connected to the support frame through a pin assembly.

[0007] Preferably, in order to enable the horizontal connecting plate to rise and fall stably along the first screw and achieve precise position adjustment, the driving component includes a vertical strip block, which is fixedly inserted into the U-shaped mounting bracket. Both ends of the vertical strip block are fixed with convex blocks, and a first screw is rotatably arranged between the two convex blocks. The horizontal connecting plate has a vertical threaded hole, and the first screw is threaded into the threaded hole.

[0008] Preferably, in order to enable the first screw to rotate by controlling the drive motor to turn on, one end of the first screw is rotatably connected to the inner wall of the lower convex block through the first rotary joint, the top of the upper convex block is fixedly mounted with a drive motor, and the other end of the first screw is fixedly connected to the output shaft of the drive motor.

[0009] Preferably, in order to limit the horizontal connecting plate, a limiting slide rod is fixedly provided between the two convex blocks, and one end of the horizontal connecting plate is slidably fitted onto the limiting slide rod.

[0010] Preferably, in order to allow the light-shielding plate to be flexibly rotated and adjusted to adapt to different lighting requirements, the rotation adjustment assembly includes a suspension seat, which is fixed to one end of the extension frame. A vertical drive column is rotatably inserted into the suspension seat, and a circular connector is fixedly installed at the bottom end of the vertical drive column. A suspension connecting plate is fixedly installed on the outer wall of the circular connector, and the light-shielding plate is fixedly connected to one end of the suspension connecting plate through the positioning strip.

[0011] Preferably, in order to enable the vertical drive column to rotate by controlling the servo motor to turn on, a servo motor is fixedly installed on the top of the suspension seat, and the top of the vertical drive column is fixedly connected to the output shaft of the servo motor.

[0012] Preferably, in order to clean the surface of the light source lamp by means of the cleaning roller, side seats are fixedly installed at both ends of the light shield, and a cleaning roller is rotatably installed on the inner wall of the side seat. The cleaning roller is in close contact with the surface of the light source lamp, and one end of the cleaning roller is connected to the suspension seat through the synchronous connection assembly.

[0013] Preferably, in order to make the cleaning roller rotate synchronously with the light-shielding plate to achieve linkage cleaning, the synchronous connection assembly includes a fixed rod and a limiting support block. The fixed rod is fixed to the bottom of the suspension seat, and the limiting support block is fixed to the top of the suspension connecting plate. An annular bevel gear block is fixedly installed on the top of the fixed rod. A linkage shaft is rotatably inserted into the limiting support block. A connecting bevel gear is fixedly installed at one end of the linkage shaft. The connecting bevel gear meshes with the annular bevel gear block. A drive sprocket is fixedly installed at the other end of the linkage shaft. A driven sprocket is fixedly installed at one end of the cleaning roller. The driven sprocket is connected to the drive sprocket through the chain.

[0014] Preferably, to facilitate flexible adjustment of the support frame height for equipment leveling and ensure stable operation, the leveling component includes a second screw. One end of the second screw is rotatably mounted on the inner wall of the vertical limiting groove via the second rotary joint. A handle is fixedly mounted on the other end of the second screw. A lifting threaded block is mounted on the second screw. The lifting threaded block is slidably engaged in the vertical limiting groove. The support frame is rotatably connected to the lifting threaded block via the hinge seat.

[0015] Preferably, to ensure a stable connection between the mask template and the support frame and facilitate assembly and disassembly, thereby achieving rapid positioning and fixation, the pin assembly includes a U-shaped plate. The U-shaped plate is fixed to the outer wall of the support frame, and a positioning pin is slidably inserted into the U-shaped plate. One end of the positioning pin is inserted into a positioning pin hole corresponding to the support frame and the mask template, and a lifting head is fixedly installed on the other end of the positioning pin. An annular pad is fixedly fitted onto the positioning pin, and the annular pad is elastically connected to the inner wall of the U-shaped plate through the clamping spring.

[0016] The beneficial effects of this invention are: by adjusting the light-shielding plates that are evenly distributed around the circumference and have different light transmittance in the structure, and in conjunction with the rotating adjustment component, the appropriate light transmittance of the light-shielding plate can be flexibly selected according to the shaping requirements, the light intensity can be flexibly adjusted, the diverse shaping requirements can be met, and the process adaptability can be enhanced. By using the leveling component and level, the support frame can be quickly and accurately adjusted to a horizontal state, improving the shaping accuracy of the frame adhesive. The pin component can quickly and securely connect the mask and the support frame, making it convenient to change the mask according to different needs and ensuring accurate pattern forming. The electric slider moves the tray and LCD screen horizontally, allowing for flexible adjustment of the LCD screen position and facilitating coordinated operation with other components. The drive assembly can precisely control the distance between the light source and the LCD screen, ensuring uniform illumination and providing stable and suitable conditions for frame adhesive shaping, effectively improving shaping quality and product yield. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of the present invention; Figure 2 This is a schematic diagram of the installation structure of the level instrument of the present invention; Figure 3 This is a schematic diagram of the leveling component of the present invention; Figure 4 This is a schematic diagram of the structure of the pin assembly of the present invention; Figure 5 This is a schematic diagram of the structure of the driving component of the present invention; Figure 6 This is a schematic diagram of the installation structure of the suspension connecting plate of the present invention; Figure 7 This is a schematic diagram of the installation structure of the annular bevel gear block of the present invention; Figure 8 This is a schematic diagram of the mounting structure of the lateral seat of the present invention; Figure 9 This is a schematic diagram of the installation structure of the cleaning roller of the present invention.

[0018] Explanation of reference numerals in the attached drawings: 1. Base; 2. Vertical side plate; 3. U-shaped mounting bracket; 4. Horizontal guide rail; 5. Electric slider; 6. Support plate; 7. Horizontal connecting plate; 8. Drive assembly; 801. Vertical strip; 802. Convex block; 803. First screw; 804. First rotary joint; 805. Drive motor; 806. Limiting slide bar; 9. Light source; 10. Extension frame; 11. Light shield; 12. Rotation adjustment assembly; 1201. Suspension seat; 1202. Vertical drive column; 1203. Circular connector; 1204. Suspension connecting plate; 1205. Positioning strip; 1206. Servo motor; 1207. Side seat; 1208. Cleaning 13. Support frame; 14. Leveling assembly; 1401. Second screw; 1402. Second rotary joint; 1403. Handle; 1404. Lifting threaded block; 1405. Hinge seat; 15. Level; 16. Mask template; 17. Pin assembly; 1701. U-shaped plate; 1702. Positioning pin; 1703. Lifting head; 1704. Annular pad; 1705. Pressing spring; 18. Synchronous connection assembly; 1801. Fixed rod; 1802. Limiting support block; 1803. Annular bevel gear block; 1804. Linkage shaft; 1805. Connecting bevel gear; 1806. Drive sprocket; 1807. Driven sprocket; 1808. Chain. Detailed Implementation

[0019] The present invention will be further described below with reference to the accompanying drawings: like Figures 1-9As shown, this embodiment provides a liquid crystal screen frame adhesive shaping device with an adjustable light-shielding mask, including a base 1, a lifting structure, an adjusting structure, and a support frame 13. Two vertical side plates 2, a U-shaped mounting bracket 3, and a horizontal guide rail 4 are fixedly installed on the top of the base 1. The vertical side plates 2 are located on one side of the U-shaped mounting bracket 3, and the horizontal guide rail 4 is located inside the two vertical side plates 2. An electric slider 5 is slidably installed on the horizontal guide rail 4. A support plate 6 for fixing the liquid crystal screen is installed on the top of the electric slider 5. The liquid crystal screen is placed on the support plate 6 and fixed. By controlling the electric slider 5 to move along the horizontal guide rail 4, the support plate 6 and the liquid crystal screen are moved horizontally to move to a suitable position so that the various components of the device can work together to complete the liquid crystal screen frame adhesive shaping operation. The lifting structure includes a horizontal connecting plate 7 and a drive assembly 8 for controlling the lifting of the horizontal connecting plate 7. A light source 9 is fixedly installed at the bottom of the horizontal connecting plate 7. Activating the drive assembly 8 raises or lowers the horizontal connecting plate 7 to a suitable height, positioning the bottom light source 9 at the required illumination position for the LCD screen. This allows for precise control of the distance between the light source and the LCD screen, ensuring uniform illumination coverage and providing stable and suitable lighting conditions for frame adhesive setting, thus improving setting quality and product yield. An extension frame 10 is fixedly installed at the top of the horizontal connecting plate 7. The adjustment structure includes a light-shielding plate 11 and a rotation adjustment assembly 12 for controlling the rotation of the light-shielding plate 11. The rotation adjustment assembly 12 is fixedly connected to one end of the extension frame 10. The light-shielding plates 11 are evenly distributed circumferentially, and each light-shielding plate 11 has a different light transmittance. Based on the required illumination conditions for LCD screen frame adhesive setting, the light-shielding plate 11 connected to one end of the extension frame 10 is rotated via the rotation adjustment assembly 12 to select a light-shielding plate 11 with suitable light transmittance for the working position. By utilizing circumferentially distributed light-shielding plates 11 with varying light transmittance, the light intensity can be flexibly adjusted to meet diverse shaping needs and improve product shaping quality and process adaptability. A support frame 13 is located between two vertical side plates 2. Vertical limiting grooves are provided on the vertical side plates 2, and leveling components 14 are installed in these grooves. The support frame 13 is connected to the leveling components 14. A level 15 is fixedly installed on the outer wall of one end of the support frame 13. The level 15 is used to determine if the support frame 13 is level. If it is not level, the leveling components 14 are operated to move within the vertical limiting grooves, adjusting the height of the support frame 13. The level 15 accurately controls the level of the support frame 13, and the leveling components 14 quickly adjust it to ensure the support frame 13 is level. To improve the accuracy and quality of LCD screen frame adhesive setting, a mask template 16 is provided on the support frame 13. The mask template 16 is fixedly connected to the support frame 13 through a pin assembly 17. The mask template 16 is placed in a suitable position on the support frame 13, and the positioning pin 1702 of the pin assembly 17 is inserted into the corresponding positioning pin holes of the support frame 13 and the mask template 16. It is fixed by means of springs and other structures. The pin assembly 17 can quickly and firmly connect the mask template 16 to the support frame 13, which is convenient for changing the mask template 16 according to different needs and ensures accurate pattern forming during LCD screen frame adhesive setting.

[0020] As a technical optimization solution of the present invention, specifically as follows: Figure 5 As shown, the drive assembly 8 includes a vertical strip 801, which is fixedly inserted into the U-shaped mounting bracket 3. Both ends of the vertical strip 801 are fixed with protruding blocks 802. A first screw 803 is rotatably disposed between the two protruding blocks 802. A vertical threaded hole is provided on the horizontal connecting plate 7, and the first screw 803 is threaded into the threaded hole. When the vertical strip 801 of the drive assembly 8 is fixedly inserted into the U-shaped mounting bracket, rotating the first screw 803 between the two protruding blocks 802 causes the horizontal connecting plate 7 to rise or fall vertically due to the corresponding threaded hole, thereby achieving precise adjustment of the height of the light source 9 at the bottom of the horizontal connecting plate 7. One end of the first screw 803 is rotatably connected to the inner wall of the lower protruding block 802 through a first rotating joint 804. A drive motor 805 is fixedly installed on the top of the upper protruding block 802, and the other end of the first screw 803 is fixedly connected to the output shaft of the drive motor 805. A limiting slide rod 806 is fixedly installed between the two convex blocks 802, and one end of the horizontal connecting plate 7 is slidably fitted onto the limiting slide rod 806. In use, the drive motor 805 at the top of the upper convex block 802 is started, driving the first screw 803 connected to the motor output shaft to rotate. Since one end of the horizontal connecting plate 7 is threaded onto the first screw 803 and slidably fitted onto the limiting slide rod 806, the rotation of the first screw 803 will drive the horizontal connecting plate 7 to rise and fall stably along the limiting slide rod 806, precisely controlling the height of its bottom light source 9.

[0021] As a technical optimization solution of the present invention, specifically as follows: Figures 6-8As shown, the rotation adjustment assembly 12 includes a suspension seat 1201, which is fixed to one end of the extension frame 10. A vertical drive column 1202 is rotatably inserted into the suspension seat 1201. A circular connector 1203 is fixedly installed at the bottom end of the vertical drive column 1202. A suspension connecting plate 1204 is fixedly installed on the outer wall of the circular connector 1203. The light-shielding plate 11 is fixedly connected to one end of the suspension connecting plate 1204 through a positioning strip 1205. Rotating the vertical drive column 1202 inserted into the suspension seat 1201 causes the bottom circular connector 1203 to rotate, which in turn causes the suspension connecting plate 1204 fixed to the outer wall of the circular connector 1203 to rotate. Finally, this causes the light-shielding plate 11, which is connected to the suspension connecting plate 1204 through the positioning strip 1205, to rotate, so as to select the light-shielding plate 11 with suitable light transmittance to be in the working position. A servo motor 1206 is fixedly mounted on the top of the suspension seat 1201, and the top of the vertical drive column 1202 is fixedly connected to the output shaft of the servo motor 1206. Side seats 1207 are fixedly mounted on both ends of the light-shielding plate 11. Cleaning rollers 1208 are rotatably mounted on the inner wall of the side seats 1207. The cleaning rollers 1208 are in contact with the surface of the light source lamp 9, and one end of the cleaning rollers 1208 is connected to the suspension seat 1201 via a synchronous connection assembly 18. Starting the servo motor 1206 drives the vertical drive column 1202 to rotate, causing the light-shielding plate 11 to rotate to a suitable light-transmitting position. During rotation, the cleaning rollers 1208 inside the side seats 1207 at both ends of the light-shielding plate 11 roll against the surface of the light source lamp 9 under the action of the synchronous connection assembly 18, synchronously cleaning dust from the surface of the light source lamp 9, ensuring lighting effect, and improving the quality of the frame adhesive setting. As a technical optimization solution of the present invention, specifically as follows: Figures 7-9 As shown, the synchronous connection assembly 18 includes a fixed rod 1801 and a limiting support block 1802. The fixed rod 1801 is fixed to the bottom of the suspension seat 1201, and the limiting support block 1802 is fixed to the top of the suspension connecting plate 1204. An annular bevel gear block 1803 is fixedly installed on the top of the fixed rod 1801. A linkage shaft 1804 is rotatably inserted into the limiting support block 1802. A connecting bevel gear 1805 is fixedly installed at one end of the linkage shaft 1804. The connecting bevel gear 1805 meshes with the annular bevel gear block 1803. A drive sprocket 1806 is fixedly installed at the other end of the linkage shaft 1804. A driven sprocket 1807 is fixedly installed at one end of the cleaning roller 1208. The driven sprocket 1807 and the drive sprocket 1806 are connected by a chain 1808. When the light shield 11 rotates, it moves the limiting support block 1802, causing the connecting bevel gear 1805 on the linkage shaft 1804 to roll along the annular bevel gear block 1803, thereby driving the linkage shaft 1804 to rotate. The drive sprocket 1806 on the linkage shaft 1804 rotates accordingly, driving the driven sprocket 1807 at one end of the cleaning roller 1208 to rotate via the chain 1808, thus causing the cleaning roller 1208 to roll against the surface of the light source lamp 9, achieving synchronous cleaning of the surface of the light source lamp 9 when the light shield 11 rotates.

[0022] As a technical optimization solution of the present invention, specifically as follows: Figure 3 As shown, the leveling assembly 14 includes a second screw 1401. One end of the second screw 1401 is rotatably mounted on the inner wall of the vertical limiting groove via a second rotating joint 1402. A handle 1403 is fixedly mounted on the other end of the second screw 1401. A lifting threaded block 1404 is mounted on the second screw 1401 and is slidably engaged in the vertical limiting groove. The support frame 13 is rotatably connected to the lifting threaded block 1404 via a hinge seat 1405. Observing the level 15, if the support frame 13 is not level, rotating the handle 1403 will rotate the second screw 1401, causing the lifting threaded block 1404 mounted on it to move along the vertical limiting groove. Because the support frame 13 is rotatably connected to the lifting threaded block 1404 via the hinge seat 1405, the movement of the lifting threaded block 1404 will cause one end of the support frame 13 to rise or fall, thereby adjusting the height of the support frame 13. With the help of the level 15, it is brought to a level state, ensuring the shaping accuracy.

[0023] As a technical optimization solution of the present invention, specifically as follows: Figure 4 As shown, the pin assembly 17 includes a U-shaped plate 1701, which is fixed to the outer wall of the support frame 13. A positioning pin 1702 is slidably inserted into the U-shaped plate 1701. One end of the positioning pin 1702 is inserted into the positioning pin holes corresponding to those opened on the support frame 13 and the mask template 16. A lifting head 1703 is fixedly installed on the other end of the positioning pin 1702. An annular pad 1704 is fixedly fitted onto the positioning pin 1702. The annular pad 1704 is elastically connected to the inner wall of the U-shaped plate 1701 through a clamping spring 1705. When installing the mask template 16, lift the lifting head 1703, and the positioning pin 1702 slides within the U-shaped plate 1701, placing the mask template 16 in a suitable position on the support frame 13. Release the lifting head 1703, and under the action of the clamping spring 1705, the annular pad 1704 pushes the positioning pin 1702, causing one end of it to insert into the corresponding positioning pin hole of the support frame 13 and the mask template 16, achieving a stable connection. When disassembling, simply lift the lifting head 1703 to pull out the positioning pin 1702, which is convenient and quick.

[0024] The foregoing has shown and described the basic principles, main features and advantages of this invention. Those skilled in the art should understand that this invention is not limited to the above embodiments. The embodiments and descriptions in the specification are only illustrative of the principles of this invention. Various changes and modifications can be made to this invention without departing from the spirit and scope of this invention. All such changes and modifications fall within the scope of this invention as claimed. The scope of protection of this invention is defined by the appended claims and their equivalents.

Claims

1. A liquid crystal screen frame adhesive shaping device with an adjustable light-shielding mask, characterized in that: Includes a base (1), on which two vertical side plates (2), a U-shaped mounting bracket (3) and a horizontal guide rail (4) are fixedly installed. The vertical side plates (2) are located on one side of the U-shaped mounting bracket (3), and the horizontal guide rail (4) is located inside the two vertical side plates (2). An electric slider (5) is slidably installed on the horizontal guide rail (4), and a support plate (6) for fixing the LCD screen is installed on the top of the electric slider (5). The lifting structure includes a horizontal connecting plate (7) and a drive assembly (8) for controlling the lifting of the horizontal connecting plate (7). A light source (9) is fixedly installed at the bottom of the horizontal connecting plate (7), and an extension frame (10) is fixedly installed at the top of the horizontal connecting plate (7). The adjustment structure includes a light-shielding plate (11) and a rotation adjustment component (12) for controlling the rotation of the light-shielding plate (11). The rotation adjustment component (12) is fixedly connected to one end of the extension frame (10). The light-shielding plates (11) are evenly distributed around the circumference, and each light-shielding plate (11) has different light transmittance. A support frame (13) is located between two vertical side plates (2). A vertical limiting groove is provided on the vertical side plate (2). A leveling component (14) is installed in the vertical limiting groove. The support frame (13) is connected to the leveling component (14). A level (15) is fixedly installed on the outer wall of one end of the support frame (13). A mask template (16) is provided on the support frame (13). The mask template (16) is fixedly connected to the support frame (13) through a pin assembly (17).

2. The liquid crystal screen frame adhesive shaping device with an adjustable light-shielding mask according to claim 1, characterized in that: The drive assembly (8) includes a vertical strip (801), which is fixedly inserted into the U-shaped mounting bracket (3). Both ends of the vertical strip (801) are fixed with convex blocks (802). A first screw (803) is rotatably arranged between the two convex blocks (802). A vertical threaded hole is opened on the horizontal connecting plate (7), and the first screw (803) is threaded into the threaded hole.

3. The liquid crystal screen frame adhesive shaping device with an adjustable light-shielding mask according to claim 2, characterized in that: One end of the first screw (803) is rotatably connected to the inner wall of the lower convex block (802) through the first rotary joint (804), and a drive motor (805) is fixedly installed on the top of the upper convex block (802). The other end of the first screw (803) is fixedly connected to the output shaft of the drive motor (805).

4. The liquid crystal screen frame adhesive shaping device with an adjustable light-shielding mask according to claim 3, characterized in that: A limiting slide rod (806) is fixedly provided between the two convex blocks (802), and one end of the horizontal connecting plate (7) is slidably fitted on the limiting slide rod (806).

5. The liquid crystal screen frame adhesive shaping device with an adjustable light-shielding mask according to claim 1, characterized in that: The rotating adjustment assembly (12) includes a suspension seat (1201), which is fixed to one end of the extension frame (10). A vertical drive column (1202) is rotatably inserted into the suspension seat (1201). A circular connector (1203) is fixedly installed at the bottom end of the vertical drive column (1202). A suspension connecting plate (1204) is fixedly installed on the outer wall of the circular connector (1203). The light shield (11) is fixedly connected to one end of the suspension connecting plate (1204) through a positioning strip (1205).

6. The liquid crystal screen frame adhesive shaping device with an adjustable light-shielding mask according to claim 5, characterized in that: A servo motor (1206) is fixedly installed on the top of the suspension seat (1201), and the top of the vertical drive column (1202) is fixedly connected to the output shaft of the servo motor (1206).

7. The liquid crystal screen frame adhesive shaping device with an adjustable light-shielding mask according to claim 6, characterized in that: Both ends of the light shield (11) are fixedly installed with side seats (1207). A cleaning roller (1208) is rotatably installed on the inner wall of the side seat (1207). The cleaning roller (1208) is in contact with the surface of the light source lamp (9), and one end of the cleaning roller (1208) is connected to the suspension seat (1201) through a synchronous connection component (18).

8. The liquid crystal screen frame adhesive shaping device with an adjustable light-shielding mask according to claim 7, characterized in that: The synchronous connection assembly (18) includes a fixed rod (1801) and a limiting support block (1802). The fixed rod (1801) is fixed to the bottom of the suspension seat (1201), and the limiting support block (1802) is fixed to the top of the suspension connecting plate (1204). An annular bevel gear block (1803) is fixedly installed on the top of the fixed rod (1801), and a linkage shaft (1804) is rotatably inserted into the limiting support block (1802). A connecting bevel gear (1805) is fixedly installed at one end of the linkage shaft (1804), and the connecting bevel gear (1805) meshes with the annular bevel gear block (1803). A drive sprocket (1806) is fixedly installed at the other end of the linkage shaft (1804). A driven sprocket (1807) is fixedly installed at one end of the cleaning roller (1208), and the driven sprocket (1807) is connected to the drive sprocket (1806) through a chain (1808).

9. The liquid crystal screen frame adhesive shaping device with an adjustable light-shielding mask according to claim 1, characterized in that: The leveling assembly (14) includes a second screw (1401), one end of which is rotatably mounted on the inner wall of the vertical limiting groove via a second rotating joint (1402), and the other end of which is fixedly mounted with a handle (1403). A lifting threaded block (1404) is mounted on the second screw (1401), and the lifting threaded block (1404) is slidably engaged in the vertical limiting groove. The support frame (13) is rotatably connected to the lifting threaded block (1404) via a hinge seat (1405).

10. The liquid crystal screen frame adhesive shaping device with an adjustable light-shielding mask according to claim 1, characterized in that: The pin assembly (17) includes a U-shaped plate (1701), which is fixed on the outer wall of the support frame (13). A positioning pin (1702) is slidably inserted on the U-shaped plate (1701). One end of the positioning pin (1702) is inserted into the positioning pin holes corresponding to those opened on the support frame (13) and the mask plate (16). A lifting head (1703) is fixedly installed on the other end of the positioning pin (1702). An annular pad (1704) is fixedly fitted on the positioning pin (1702). The annular pad (1704) is elastically connected to the inner wall of the U-shaped plate (1701) through a clamping spring (1705).

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