A dispensing device for producing liquid crystal display screens

Abstract

The utility model relates to the technical field of liquid crystal display screen production, specifically a dispensing device for liquid crystal display screen production, comprising a supporting lifting mechanism; a mounting plate is mounted under the dispensing mechanism, the mounting plate is symmetrically provided with two guide grooves, two limit rods are respectively slidably provided with two sliding blocks, two limit rods are respectively slidably provided with two No. 2 hanging columns, when a No. 1 bidirectional threaded rod rotates, the No. 1 hanging columns at both ends thereof will be driven to slide in the T-shaped sliding groove through a T-shaped sliding block, when the two No. 1 bidirectional threaded rods rotate, the two No. 2 bidirectional screw rods will be driven to move inward or outward at the same time through the outermost No. 1 hanging columns at both ends thereof, when the two No. 2 bidirectional screw rods rotate, the No. 2 hanging columns at both ends thereof will be waited for to move inward or outward at the same time through the limit rods, and the function of adjusting the dispensing position is achieved by cooperation, the use range of the dispensing device is effectively improved, the dispensing efficiency can be improved, and the production efficiency is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of liquid crystal display screen production, in particular to a glue dispensing device for liquid crystal display screen production. Background Art

[0002] Liquid crystal display is a type of flat panel display. It uses a liquid crystal solution in two polarized materials. When electric current passes through the liquid, the crystals will be rearranged to achieve the purpose of imaging. It is mainly used for television and computer screen displays. During the production process of liquid crystal display, glue needs to be applied to the liquid crystal back panel to facilitate subsequent bonding and assembly.

[0003] A patent with announcement number CN 218902478 U discloses a dispensing device for liquid crystal display production, including a workbench, a dispensing mechanism is installed on the upper surface of the workbench, an adjustment disk is arranged under the glue outlet pipe, the support rod is fixedly connected to the lower surface of the dispensing mechanism, the telescopic rod is movably inserted into the inside of the support rod, the adjustment disk is rotatably connected to the outer surface of the telescopic rod, the threaded barrel is movably sleeved on the outer surface of the dispensing head, the threaded ring is sleeved on the outer surface of the glue outlet pipe, and the threaded barrel is threadedly connected to the outer surface of the threaded ring, so as to achieve the function of conveniently changing the size of the dispensing head.

[0004] However, since different models of LCD screens have different specifications and sizes, their glue dispensing positions are also different. The existing glue dispensing equipment for LCD screen production cannot adjust the glue dispensing position according to the size of the screen, and the existing glue dispensing equipment for LCD screen production can only dispense one glue point at a time, resulting in low production and processing efficiency. Therefore, in view of the above problems, a glue dispensing equipment for LCD screen production is proposed. Utility Model Content

[0005] In order to make up for the deficiencies of the prior art and to address the problems existing in the prior art, the utility model provides a glue dispensing device for producing a liquid crystal display screen.

[0006] The technical solution adopted by the utility model to solve its technical problems is as follows: a dispensing device for producing a liquid crystal display screen described in the utility model comprises a supporting lifting mechanism; a dispensing mechanism is installed on the supporting lifting mechanism, the dispensing mechanism comprises a mounting plate, and the mounting plate is installed under the dispensing mechanism, the mounting plate is symmetrically provided with two guide grooves, and two fixed plates are slidably arranged in the two guide grooves, a limiting rod is respectively installed between every two fixed plates, and the two limiting rods are parallel to the mounting plate, two sliding blocks are slidably arranged on the two limiting rods, a guide beam is commonly arranged under every two sliding blocks, and the guide beam and the limiting rod are perpendicular to each other, guide grooves are respectively provided on the two guide beams, and the sliding blocks are slidably arranged in the guide grooves provided by the guide beams, T-shaped slide grooves are respectively provided under the two guide beams, and four T-shaped sliding blocks are slidably arranged in the T-shaped slide grooves provided under the two guide beams, and a No. 1 hanging column is respectively installed under the T-shaped sliding block, and every four No. 1 hanging columns are respectively located directly below the guide beams on both sides, and the sides of the No. 1 hanging columns on both sides are respectively A threaded hole is opened through it, and a No. 1 bidirectional threaded rod is respectively inserted into the threaded holes opened in the No. 1 hanging columns on both sides. A No. 1 motor is installed on the two sides of the guide beam through fixing parts, and the end of the No. 1 bidirectional threaded rod is installed on the output end of the No. 1 motor. Two No. 2 hanging columns are respectively slidably arranged on the two limit rods, and the two No. 2 hanging columns are located on the inner sides of the two sliding blocks. The No. 1 hanging columns on both sides are located at the most corners, and the side faces of the No. 1 hanging columns and the No. 2 hanging columns are both provided with threaded holes. The No. 1 hanging columns and the No. 2 hanging columns at the corners on both sides are connected. No. 2 bidirectional screws are respectively penetrated in the threaded holes opened on the sides of the No. 2 lifting columns on both sides, and a guide groove is opened under the mounting plate, in which two fixing rods are slidably installed, and two No. 2 motors are respectively installed under the two fixing rods, and the ends of the two No. 2 bidirectional screws are respectively installed at the output ends of the two No. 2 motors, and glue tube heads are installed under the No. 1 lifting column and the No. 2 lifting column, which cooperate to achieve the function of adjusting the glue dispensing position, effectively improving the use range of the glue dispensing equipment, and can improve the glue dispensing efficiency, thereby effectively improving the production efficiency.

[0007] Preferably, the fixing plate and the mounting plate are perpendicular to each other, the two limiting rods are parallel to each other, and the limiting rods and the fixing plate are perpendicular to each other, so as to achieve the function of adjusting the distance between the dispensing tube heads so as to be suitable for dispensing processing of LCD screens of different sizes.

[0008] Preferably, the guide beam is parallel to the supporting lifting mechanism, and the two guide beams are parallel to each other, and the No. 1 lifting column and the guide beam are perpendicular to each other, so as to achieve the function of adjusting the distance between the No. 1 lifting columns on both sides.

[0009] Preferably, the No. 1 bidirectional threaded rod is parallel to the guide beam, and the No. 1 bidirectional threaded rod is located directly below the guide beam, the No. 1 lifting column and the No. 2 lifting column are both perpendicular to the mounting plate, and the fixing rod is perpendicular to the mounting plate, thereby achieving the effect of adjusting the spacing of the No. 1 lifting column under the guide beam.

[0010] Preferably, the thread patterns at both ends of the No. 1 bidirectional threaded rod are opposite, and the four No. 1 hanging columns are symmetrically arranged at both ends of the No. 1 bidirectional threaded rod, the thread patterns at both ends of the No. 2 bidirectional screw rod are opposite, and the two No. 2 hanging columns are symmetrically arranged at both ends of the No. 2 bidirectional screw rod, and the No. 1 hanging columns at both sides and corners are also symmetrically arranged at both ends of the No. 2 bidirectional screw rod and located on the outside of the two No. 2 hanging columns, so as to achieve the effect of adjusting the distance between the No. 1 hanging column and the No. 2 hanging column, so as to adjust the glue dispensing position.

[0011] Preferably, the glue dispensing tube head is connected to an external glue storage tank through a pipeline, and a delivery pump is provided on the connecting pipeline, so as to achieve the effect of glue dispensing and improve the glue dispensing efficiency.

[0012] The utility model is beneficial in that:

[0013] 1. The utility model can simultaneously point multiple glue points through the glue dispensing tube heads respectively installed under multiple No. 1 hanging columns under the mounting plate and the No. 2 hanging columns. When the No. 1 two-way threaded rod rotates, it will drive the No. 1 hanging columns at both ends to slide in the T-shaped slide groove through the T-shaped slider. When the two No. 1 two-way threaded rods rotate, they will drive the two No. 2 two-way screw rods to move inward or outward at the same time through the outermost No. 1 hanging columns at both ends. When the two No. 2 two-way screw rods rotate, they will wait for the No. 2 hanging columns at both ends to move inward or outward at the same time through the limit rod, thereby adjusting the distance between the No. 1 hanging column and the No. 2 hanging column, and achieving the effect of adjusting the glue dispensing position, effectively improving the use range of the glue dispensing equipment, and can improve the glue dispensing efficiency, effectively improving the production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0015] Figure 1 is a schematic diagram of a first three-dimensional structure;

[0016] Figure 2 It is an enlarged schematic diagram of the main structure of the dispensing component;

[0017] Figure 3It is an enlarged schematic diagram of the main structure of the hanging column assembly;

[0018] Figure 4 It is an enlarged schematic diagram of the screw drive assembly structure;

[0019] Figure 5 This is an enlarged schematic diagram of the cutaway main structure of the guide beam assembly.

[0020] In the figure: 1. Support lifting mechanism; 2. Glue dispensing mechanism; 3. Mounting plate; 4. Fixed plate; 5. Limit rod; 6. Sliding block; 7. Guide beam; 8. T-shaped slide groove; 9. T-shaped slider; 10. No. 1 lifting column; 11. No. 1 bidirectional threaded rod; 12. No. 1 motor; 13. No. 2 lifting column; 14. No. 2 bidirectional screw rod; 15. No. 2 motor; 16. Fixed rod; 17. Glue dispensing tube head. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-5As shown, a dispensing device for producing liquid crystal display screens comprises a supporting lifting mechanism 1; a dispensing mechanism 2 is installed on the supporting lifting mechanism 1, the dispensing mechanism 2 comprises a mounting plate 3, and the mounting plate 3 is installed under the dispensing mechanism 2, the mounting plate 3 is symmetrically provided with two guide grooves, and two fixing plates 4 are slidably arranged in the two guide grooves, a limiting rod 5 is respectively installed between every two fixing plates 4, and the two limiting rods 5 are parallel to the mounting plate 3, two sliding blocks 6 are slidably arranged on the two limiting rods 5, a guide beam 7 is commonly arranged under every two sliding blocks 6, and the guide beam 7 is perpendicular to the limiting rod 5, and guide grooves are respectively provided on the two guide beams 7, and the sliding blocks 6 are slidably arranged on the guide beams 7, a T-shaped slide groove 8 is respectively provided under the two guide beams 7, four T-shaped sliders 9 are respectively slidably arranged in the T-shaped slide grooves 8 provided under the two guide beams 7, a No. 1 hanging column 10 is respectively installed under the T-shaped sliders 9, and every four No. 1 hanging columns 10 are respectively located directly below the guide beams 7 on both sides, threaded holes are respectively penetrated on the sides of the No. 1 hanging columns 10 on both sides, and a No. 1 bidirectional threaded rod 11 is respectively penetrated in the threaded holes provided in the No. 1 hanging columns 10 on both sides, a No. 1 motor 12 is installed on the side of the two guide beams 7 through fixing parts, and the end of the No. 1 bidirectional threaded rod 11 is installed at the output end of the No. 1 motor 12, and two No. 2 hanging columns 10 are respectively slidably arranged on the two limit rods 5. Column 13, and the two No. 2 hanging columns 13 are located on the inner sides of the two sliding blocks 6, the No. 1 hanging column 10 on both sides is located at the most corners, and the side of the No. 1 hanging column 10 and the side of the No. 2 hanging column 13 are both provided with threaded holes, and the threaded holes opened in the No. 1 hanging column 10 located at the corners on both sides and the side of the No. 2 hanging columns 13 on both sides are respectively penetrated with No. 2 bidirectional screws 14, a guide groove is opened under the mounting plate 3, and two fixing rods 16 are slidably installed in the guide groove, two No. 2 motors 15 are respectively installed under the two fixing rods 16, and the ends of the two No. 2 bidirectional screws 14 are respectively installed at the output ends of the two No. 2 motors 15, and the No. 1 hanging column 10 and the No. 2 hanging column 13 are both installed with a glue hose head 17, the fixing plate 4 The guide beam 7 is parallel to the supporting lifting mechanism 1, and the two guide beams 7 are parallel to each other. The No. 1 hanging column 10 is perpendicular to the guide beam 7. The No. 1 bidirectional threaded rod 11 is parallel to the guide beam 7, and the No. 1 bidirectional threaded rod 11 is located directly below the guide beam 7. The No. 1 hanging column 10 and the No. 2 hanging column 13 are perpendicular to the mounting plate 3. The fixing rod 16 is perpendicular to the mounting plate 3. The thread patterns at both ends of the No. 1 bidirectional threaded rod 11 are opposite, and the four No. 1 hanging columns 10 are symmetrically arranged at both ends of the No. 1 bidirectional threaded rod 11. The thread patterns at both ends of the No. 2 bidirectional screw 14 are opposite.The two No. 2 hanging columns 13 are symmetrically arranged at both ends of the No. 2 bidirectional screw 14, and the No. 1 hanging columns 10 located at the corners are also symmetrically arranged at both ends of the No. 2 bidirectional screw 14 and located outside the two No. 2 hanging columns 13. The glue dispensing pipe head 17 is connected to the external glue storage tank through a pipeline, and a delivery pump is arranged on the connecting pipeline.

[0023] During operation, since different models of LCD screens have different specifications and sizes, their glue dispensing positions are also different. The existing glue dispensing equipment for LCD screen production cannot adjust the glue dispensing position according to the size of the screen, and the existing glue dispensing equipment for LCD screen production can only dispense one glue point at a time, resulting in low production and processing efficiency. In this solution, the glue in the external glue storage tank is transported to the glue dispensing tube head 17, and the glue dispensing mechanism 2 is controlled to descend through the support lifting mechanism 1, and the glue dispensing tube head 17 in the glue dispensing mechanism 2 is used to dispense glue on the back panel of the LCD screen placed on the support lifting mechanism 1, so as to achieve the effect of glue dispensing. , multiple glue points are dispensed simultaneously by the glue dispensing tube heads 17 respectively installed under the multiple No. 1 hanging columns 10 under the mounting plate 3 and the No. 2 hanging columns 13, thereby improving the glue dispensing efficiency. When the spacing between the glue dispensing tube heads 17 needs to be adjusted, so as to perform glue dispensing processing on LCD screens of different sizes, the No. 1 motor 12 is controlled to operate. When the No. 1 motor 12 rotates, it will drive the No. 1 bidirectional threaded rod 11 to rotate, and when the No. 1 bidirectional threaded rod 11 rotates, it will drive the No. 1 hanging columns 10 at both ends thereof to slide in the T-shaped slide groove 8 through the T-shaped slider 9, and when the No. 1 hanging column 10 moves, it will move inward or outward at the same time, and the two When the No. 1 bidirectional threaded rod 11 rotates, it will drive the two No. 2 bidirectional screws 14 to move inward or outward at the same time through the No. 1 hanging columns 10 at the outermost ends of the No. 1 bidirectional screws 14, and then drive the No. 2 hanging columns 13 on both sides to move inward or outward at the same time through the No. 2 bidirectional screws 14. When the No. 2 hanging columns 13 move, they will drive the fixing plate 4 to slide in the guide groove under the mounting plate 3 through the limit rod 5, and at the same time drive the sliding block 6 to slide in the guide groove of the guide beam 7, and cooperate with the No. 1 motor 12 to control the operation of the No. 2 motor 15. When the No. 2 motor 15 operates, it will drive the No. 2 bidirectional screw 14 to rotate. When the two No. 2 bidirectional screws 14 rotate, they will wait for the No. 2 hanging columns 13 at both ends to move inward or outward at the same time through the limit rod 5, and the No. 1 hanging column 10 at both ends of the No. 2 bidirectional screw 14 will slide on the limit rod 5 through the guide beam 7 and the sliding block 6, thereby adjusting the distance between the No. 1 hanging column 10 and the No. 2 hanging column 13, so that the distance between the glue dispensing tube heads 17 installed under the No. 1 hanging column 10 and the No. 2 hanging column 13 can be adjusted, and the effect of adjusting the glue dispensing position is achieved through the cooperation, which effectively improves the use range of the glue dispensing equipment, and can improve the glue dispensing efficiency, thereby effectively improving the production efficiency.

[0024] Working principle: by transferring the glue in the external glue storage tank to the glue dispensing tube head 17, and controlling the glue dispensing mechanism 2 to descend through the supporting lifting mechanism 1, the glue dispensing tube head 17 in the glue dispensing mechanism 2 dispenses glue on the back panel of the LCD screen placed on the supporting lifting mechanism 1, so as to achieve the effect of dispensing glue, and dispensing multiple glue points at the same time through the glue dispensing tube heads 17 respectively installed under the multiple No. 1 hanging columns 10 under the mounting plate 3 and the No. 2 hanging columns 13, thereby improving the efficiency of dispensing glue, and when it is necessary to adjust the spacing between the glue dispensing tube heads 17, so as to Liquid crystal display screens of different sizes are processed by dispensing. When the No. 1 motor 12 is controlled to run, the No. 1 bidirectional threaded rod 11 is driven to rotate. When the No. 1 bidirectional threaded rod 11 is rotated, the No. 1 hanging columns 10 at both ends thereof are driven to slide in the T-shaped slide groove 8 through the T-shaped slider 9. When the No. 1 hanging column 10 moves, it moves inward or outward at the same time. When the two No. 1 bidirectional threaded rods 11 are rotated, the two No. 2 bidirectional screw rods 14 are driven inward or outward at the same time through the No. 1 hanging columns 10 at the outermost ends thereof. The second lifting column 13 moves sideways, and then the second two-way screw 14 drives the second lifting columns 13 on both sides to move inward or outward at the same time, and when the second lifting column 13 moves, it drives the fixing plate 4 to slide in the guide groove under the mounting plate 3 through the limit rod 5, and at the same time drives the sliding block 6 to slide in the guide groove of the guide beam 7, and cooperates with the operation of the first motor 12 while controlling the operation of the second motor 15. When the second motor 15 operates, it will drive the second two-way screw 14 to rotate, and when the two second two-way screws 14 rotate, they will wait for the second lifting columns 13 at both ends to rotate. The column 13 moves inward or outward at the same time through the limit rod 5, and the No. 1 hanging column 10 located at both ends of the No. 2 bidirectional screw 14 will slide on the limit rod 5 through the guide beam 7 and the sliding block 6, thereby adjusting the distance between the No. 1 hanging column 10 and the No. 2 hanging column 13, so that the distance between the dispensing tube heads 17 installed under the No. 1 hanging column 10 and the No. 2 hanging column 13 can be adjusted, and the effect of adjusting the dispensing position is achieved, which effectively improves the use range of the dispensing equipment, and can improve the dispensing efficiency, thereby effectively improving the production efficiency.

[0025] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A dispensing device for liquid crystal display production, characterized in that: The invention comprises a support lifting mechanism (1); a dispensing mechanism (2) is installed on the support lifting mechanism (1); the dispensing mechanism (2) comprises a mounting plate (3), and the mounting plate (3) is installed under the dispensing mechanism (2); the mounting plate (3) is symmetrically provided with two guide grooves, and two fixing plates (4) are respectively slidably arranged in the two guide grooves; a limiting rod (5) is respectively installed between every two fixing plates (4), and the two limiting rods (5) are parallel to the mounting plate (3); two sliding blocks (6) are respectively slidably arranged on the two limiting rods (5), and a common sliding block (6) is arranged under every two sliding blocks (6). A guide beam (7), wherein the guide beam (7) and the limit rod (5) are perpendicular to each other, guide grooves are respectively provided on the two guide beams (7), and the sliding block (6) is slidably arranged in the guide grooves provided on the guide beams (7), and T-shaped sliding grooves (8) are respectively provided under the two guide beams (7), and four T-shaped sliding blocks (9) are slidably arranged in the T-shaped sliding grooves (8) provided under the two guide beams (7), and a No. 1 hanging column (10) is respectively installed under the T-shaped sliding block (9), and each of the four No. 1 hanging columns (10) is respectively located directly below the guide beams (7) on both sides, and the No. 1 hanging columns (10) on both sides are The side surfaces are respectively penetrated with threaded holes, and the threaded holes of the No. 1 hanging columns (10) on both sides are respectively penetrated with No. 1 bidirectional threaded rods (11), the side surfaces of the two guide beams (7) are installed with No. 1 motors (12) through fixing parts, and the ends of the No. 1 bidirectional threaded rods (11) are installed on the output ends of the No. 1 motors (12), and two No. 2 hanging columns (13) are respectively slidably arranged on the two limit rods (5), and the two No. 2 hanging columns (13) are located on the inner sides of the two sliding blocks (6), and the No. 1 hanging columns (10) on both sides are located at the most corners of the No. 1 hanging columns (10) and the No. 2 hanging columns The side of the mounting plate (13) is provided with threaded holes, and the threaded holes provided on the side of the No. 1 hanging column (10) located at the corners on both sides and the No. 2 hanging columns (13) on both sides are respectively penetrated by No. 2 bidirectional screws (14), a guide groove is provided under the mounting plate (3), two fixing rods (16) are slidably installed in the guide groove, two No. 2 motors (15) are respectively installed under the two fixing rods (16), and the ends of the two No. 2 bidirectional screws (14) are respectively installed at the output ends of the two No. 2 motors (15), and a glue hose head (17) is installed under the No. 1 hanging column (10) and the No. 2 hanging column (13).

2. The dispensing equipment for producing liquid crystal display screens according to claim 1, characterized in that: The fixing plate (4) and the mounting plate (3) are perpendicular to each other, the two limiting rods (5) are parallel to each other, and the limiting rods (5) and the fixing plate (4) are perpendicular to each other.

3. The glue dispensing equipment for liquid crystal display production according to claim 1, characterized in that: The guide beam (7) and the supporting lifting mechanism (1) are parallel to each other, and the two guide beams (7) are parallel to each other, and the No. 1 lifting column (10) and the guide beam (7) are perpendicular to each other.

4. The glue dispensing equipment for liquid crystal display production according to claim 1, characterized in that: The first bidirectional threaded rod (11) and the guide beam (7) are parallel to each other, and the first bidirectional threaded rod (11) is located directly below the guide beam (7). The first hanging column (10) and the second hanging column (13) are both perpendicular to the mounting plate (3), and the fixing rod (16) and the mounting plate (3) are perpendicular to each other.

5. The dispensing equipment for producing liquid crystal display screens according to claim 1, characterized in that: The thread patterns at both ends of the No. 1 bidirectional threaded rod (11) are opposite, and the four No. 1 hanging columns (10) are symmetrically arranged at both ends of the No. 1 bidirectional threaded rod (11); the thread patterns at both ends of the No. 2 bidirectional screw rod (14) are opposite, and the two No. 2 hanging columns (13) are symmetrically arranged at both ends of the No. 2 bidirectional screw rod (14); the No. 1 hanging columns (10) located at the corners on both sides are also symmetrically arranged at both ends of the No. 2 bidirectional screw rod (14) and located outside the two No. 2 hanging columns (13).

6. The glue dispensing equipment for producing liquid crystal display screens according to claim 5, characterized in that: The glue dispensing pipe head (17) is connected to an external glue storage tank via a pipeline, and a delivery pump is provided on the connecting pipeline.

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