Feeding device for LCD production

By designing a feeding device that includes material suction assembly and automatic deduplication function, the problem of inaccurate positioning of the traditional feeding device is solved, and the precise conveying and self-centering of the glass substrate is achieved, and the production efficiency and process quality are improved.

CN120024701AInactive Publication Date: 2025-05-23JIANGXI RUIER ELECTRONICS CO LTD
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Patent Information

Application Number
CN202510437826.2
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-04-09
Publication Date
2025-05-23
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

Traditional LCD feeding devices are prone to minor deviations during high-speed operation, resulting in inaccurate substrate positioning, affecting the accuracy and production efficiency of subsequent processes.

Method used

A feeding assembly including a fixed seat, a rotary seat, a rodless cylinder, a motor, a large gear, a pinion and a suction assembly is designed to absorb the glass substrate through a suction cup and use the automatic de-material and self-centering function to ensure positioning accuracy.

Benefits of technology

It realizes accurate adsorption and transportation of glass substrates, automatically de-material and self-centering, improves positioning accuracy and production efficiency, and avoids quality problems in subsequent processes.

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Abstract

The invention discloses a feeding device for LCD (liquid crystal display) production, which comprises a base and a fixing bolt, the fixing bolt is mounted on the base in a threaded manner, and the feeding device further comprises a feeding assembly used for conveying a glass substrate. Under the action of the feeding assembly, the glass substrate can be adsorbed and conveyed, automatic stripping can be achieved in the material returning period, the stripped glass substrate can be automatically centered, and therefore the positioning precision is guaranteed, the production efficiency is improved, and the influence on the quality and yield of the follow-up process is avoided.
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Description

Technical Field

[0001] The invention relates to the technical field of LCD production, and in particular to a feeding device used for LCD production. Background Art

[0002] Liquid crystal displays (LCDs) are the core display components of modern electronic devices, and their manufacturing process involves precise and complex production processes. In the production of LCD panels, the loading device is a key device at the front end of the production line, mainly used for the precise handling, positioning and supply of glass substrates or other raw materials. The stability, accuracy and efficiency of the loading device directly affect the quality and yield of subsequent processes (such as cleaning, coating, photolithography, etc.).

[0003] Traditional LCD loading devices usually use structures such as robotic arms, conveyor belts or vacuum suction cups to transport substrates. However, as LCD panels develop towards larger sizes and higher resolutions, the thickness of the substrates is thinner and the area is larger, and the requirements for stability, dust prevention and shock resistance during the transportation process are more stringent. Traditional loading methods have technical problems such as insufficient positioning accuracy. Robot arms or conveyor belts are prone to slight deviations when running at high speeds, resulting in inaccurate alignment between the substrate and the processing station, affecting the accuracy of subsequent coating or etching processes, and even causing the substrate to be scrapped. Summary of the invention

[0004] The problem to be solved by the present invention is to provide a feeding device for LCD production. Under the action of the feeding component, the present invention can adsorb and transport the glass substrate, and can realize automatic material removal during the material removal period, and the removed glass substrate can be centered by itself, thereby ensuring positioning accuracy, thereby improving production efficiency and avoiding affecting the quality and yield of subsequent processes.

[0005] The present invention provides a technical solution to solve the above problems: a loading device for LCD production, comprising a base and a fixing bolt, wherein the fixing bolt is threadedly installed on the base, and also comprises a loading assembly, wherein the loading assembly is used to transport the glass substrate.

[0006] Preferably, the loading assembly includes a fixed seat, a rotating seat, a rodless cylinder, a connecting rod, a motor, a large gear, a small gear and a suction assembly, the fixed seat is fixedly connected to the base, the rotating seat is rotatably connected to the fixed seat, the rodless cylinder is fixedly connected to the top of the rotating seat, the connecting rod is fixedly connected to the side wall of the slider of the rodless cylinder, the motor is installed on the side wall of the fixed seat, the large gear key is connected to the rotating seat, the small gear key is connected to the output shaft of the motor, the large gear and the small gear are meshed, and the suction assembly is used to adsorb the glass substrate, thereby transporting the glass substrate.

[0007] Preferably, the material suction assembly includes a fixed block, a suction plate, a suction cup, a blocking plate, a return spring and a material receiving assembly, the fixed block is fixedly connected to the end of the connecting rod, the suction plate is fixedly connected to the end of the fixed block, the suction cup is fixedly connected to the bottom of the suction plate, the suction cup is communicated with the suction plate, the blocking plate is slidably connected to the suction plate, the blocking plate blocks the suction cup, the return spring is connected between the blocking plate and the fixed block, and the material receiving assembly is used to enable the suction cup to remove material from the glass substrate.

[0008] Preferably, the material receiving assembly includes a material receiving frame, a contact rod and a contact plate, the material receiving frame is fixedly connected to the top of the base, the contact rod is fixedly connected to the side wall of the blocking plate, and the contact plate is fixedly connected to the top of the material receiving frame, the contact rod moves to contact the contact plate, driving the blocking plate to move, so that gas enters the suction cup, and the suction cup releases the glass substrate to realize material removal.

[0009] Preferably, the inner wall of the material receiving frame is an inclined surface, so as to center the withdrawn glass substrate.

[0010] Preferably, a cleaning component is also included, and the cleaning component is used to clean impurities on the surface of the glass substrate.

[0011] Preferably, the cleaning component includes a non-woven pad 1, a non-woven pad 2, a wiping plate, an electric push rod, a pushing plate and a pushing rod, the non-woven pad 1 is installed in the material receiving frame, the non-woven pad 2 is installed on the base, the wiping plate is rotatably installed on the base, the wiping plate is located above the non-woven pad 2, the electric push rod is fixed in the base, the pushing plate is slidably connected in the material receiving frame, and the pushing rod is fixed between the pushing plate and the telescopic end of the electric push rod.

[0012] Preferably, the second non-woven pad is arranged obliquely.

[0013] Preferably, it also includes a material receiving frame, and the material receiving frame is fixedly connected to the top of the base.

[0014] Preferably, the inner wall of the material receiving frame is an inclined surface to facilitate centering of the glass substrate.

[0015] Compared with the prior art, the advantages of the present invention are: under the action of the loading component, the present invention can adsorb and transport the glass substrate, and can realize automatic material removal during the material withdrawal period, and the removed glass substrate can be centered by itself, thereby ensuring positioning accuracy, thereby improving production efficiency and avoiding affecting the quality and yield of subsequent processes. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings described herein are used to provide further understanding of the present invention and constitute a part of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute improper limitations on the present invention.

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention.

[0018] Figure 2 It is a schematic diagram of the cross-sectional three-dimensional structure of the present invention.

[0019] Figure 3 It is a three-dimensional structural schematic diagram of the fixing block, suction plate, suction cup and other components of the present invention.

[0020] The attached drawings are marked as follows: 1. Base; 2. Fixing bolt; 3. Fixed seat; 4. Rotating seat; 5. Rodless cylinder; 6. Connecting rod; 7. Motor; 8. Large gear; 9. Small gear; 10. Fixed block; 11. Suction plate; 12. Suction cup; 13. Blocking plate; 131. Reset spring; 14. Material receiving frame; 15. Contact rod; 16. Contact plate; 17. Non-woven pad one; 18. Non-woven pad two; 19. Wiping plate; 20. Electric push rod; 21. Pushing plate; 22. Pushing rod; 23. Material receiving frame. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. In the description of the present invention, it should be noted that the terms "first", "second", etc. are only used for descriptive purposes, and do not specifically refer to the order or sequence, nor are they used to limit the present invention. They are only used to distinguish components or operations described with the same technical terms, and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In order to make the terms "including" and any variations of them in the specification and claims of the present invention and the above-mentioned drawings, it is intended to cover non-exclusive inclusions.

[0022] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", and "set" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0023] In addition, in the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0024] Embodiment 1: As shown in the accompanying drawings, a loading device for LCD production includes a base 1 and a fixing bolt 2, wherein the fixing bolt 2 is threadedly mounted on the base 1, and also includes a loading assembly, wherein the loading assembly is used to transport a glass substrate.

[0025] In this embodiment, specifically, the loading assembly includes a fixed seat 3, a rotating seat 4, a rodless cylinder 5, a connecting rod 6, a motor 7, a large gear 8, a small gear 9 and a suction assembly. The fixed seat 3 is fixedly connected to the base 1, the rotating seat 4 is rotatably connected to the fixed seat 3, the rodless cylinder 5 is fixedly connected to the top of the rotating seat 4, the connecting rod 6 is fixedly connected to the side wall of the slider of the rodless cylinder 5, and the rodless cylinder 5 controls the connecting rod 6 to move up and down through the slider. The motor 7 is installed on the side wall of the fixed seat 3, the large gear 8 is keyed to the rotating seat 4, and the small gear 9 is keyed to the output shaft of the motor 7. The large gear 8 and the small gear 9 are meshed, and the rotation of the small gear 9 drives the large gear 8 to rotate, thereby controlling the rodless cylinder 5 to rotate and transpose, which is convenient for loading the glass substrate, and the suction assembly is used to adsorb the glass substrate, thereby transporting the glass substrate.

[0026] The material suction assembly includes a fixed block 10, a suction plate 11, a suction cup 12, a blocking plate 13, a return spring 131 and a material receiving assembly, wherein the fixed block 10 is fixedly connected to the end of the connecting rod 6, the suction plate 11 is fixedly connected to the end of the fixed block 10, the suction cup 12 is fixedly connected to the bottom of the suction plate 11, the suction cup 12 is communicated with the suction plate 11, the blocking plate 13 is slidably connected to the suction plate 11, the blocking plate 13 blocks the suction cup 12, the return spring 131 is connected between the blocking plate 13 and the fixed block 10, and the material receiving assembly is used to enable the suction cup 12 to unload the glass substrate, and when the connecting rod 6 moves up and down, the fixed block 10, the suction plate 11, the suction cup 12 and the blocking plate 13 are driven to move up and down, so that the suction cup 12 can adsorb the glass substrate, thereby facilitating the loading of the glass substrate. Secondly, the material receiving assembly includes a material receiving frame 14, a contact rod 15 and a contact plate 16, the material receiving frame 14 is fixedly connected to the top of the base 1, the contact rod 15 is fixedly connected to the side wall of the blocking plate 13, and the contact plate 16 is fixedly connected to the top of the material receiving frame 14, the contact rod 15 moves to contact with the contact plate 16, driving the blocking plate 13 to move, so that gas enters the suction cup 12, and the suction cup 12 releases the glass substrate to realize material withdrawal, the suction cup 12 and the blocking plate 13 move up and down, thereby driving the contact rod 15 to move and contact with the contact plate 16, thereby causing the blocking plate 13 to move upward, and the reset spring 131 undergoes adaptive deformation, thereby causing the suction cup 12 to release the glass substrate.

[0027] Furthermore, a cleaning component is also included, and the cleaning component is used to clean impurities on the surface of the glass substrate. Specifically, the cleaning component includes a non-woven pad 17, a non-woven pad 18, a wiping plate 19, an electric push rod 20, a pushing plate 21 and a pushing rod 22. The non-woven pad 17 is installed in the material receiving frame 14, and the glass substrate is returned to the material receiving frame 14. The non-woven pad 17 can clean the bottom of the glass substrate. The non-woven pad 18 is installed on the base 1, and the wiping plate 19 is rotatably installed on the base 1. The wiping plate 19 is located above the non-woven pad 18. As the glass substrate moves, the wiping plate 19 cooperates with the non-woven pad 18 to clean the upper and lower surfaces of the glass substrate. In this way, impurities on the surface of the glass substrate can be avoided to affect the subsequent production quality. The electric push rod 20 is fixedly connected to the base 1, the pushing plate 21 is slidably connected to the material receiving frame 14, and the pushing rod 22 is fixedly connected between the pushing plate 21 and the telescopic end of the electric push rod 20. Furthermore, it also includes a material receiving frame 23 , which is fixed to the top of the base 1 , and is used to temporarily store glass substrates that need to be loaded and cleaned, so that the suction cup 12 can transport the glass substrates.

[0028] It should be noted that the inner wall of the receiving frame 14 is an inclined surface, which is convenient for centering the withdrawn glass substrate and facilitating subsequent processing. The non-woven pad 18 is inclined, which is convenient for the glass substrate to move downward by itself under its own gravity to achieve a self-cleaning effect. The inner wall of the receiving frame 23 is an inclined surface, which is convenient for centering the glass substrate and facilitating the suction cup 12 to absorb the glass substrate.

[0029] The above description is only for the best embodiment of the present invention, but it should not be understood as limiting the claims. The present invention is not limited to the above embodiments, and its specific structure is allowed to be changed. All changes made within the scope of protection of the independent claims of the present invention are within the scope of protection of the present invention.

Claims

1. A feeding device for LCD production, comprising a base (1) and a fixing bolt (2), wherein the fixing bolt (2) is threadedly mounted on the base (1), characterized in that: The utility model also comprises a loading assembly, and the loading assembly is used for transporting the glass substrate.

2. The feeding device for LCD production according to claim 1, characterized in that: The loading assembly comprises a fixed seat (3), a rotating seat (4), a rodless cylinder (5), a connecting rod (6), a motor (7), a large gear (8), a small gear (9) and a suction assembly, wherein the fixed seat (3) is fixedly connected to the base (1), the rotating seat (4) is rotatably connected to the fixed seat (3), the rodless cylinder (5) is fixedly connected to the top of the rotating seat (4), the connecting rod (6) is fixedly connected to the side wall of the slider of the rodless cylinder (5), the motor (7) is installed on the side wall of the fixed seat (3), the large gear (8) is key-connected to the rotating seat (4), the small gear (9) is key-connected to the output shaft of the motor (7), the large gear (8) and the small gear (9) are meshed, and the suction assembly is used to adsorb the glass substrate, thereby transporting the glass substrate.

3. The feeding device for LCD production according to claim 2, characterized in that: The material suction assembly comprises a fixed block (10), a suction plate (11), a suction cup (12), a blocking plate (13), a return spring (131) and a material receiving assembly, wherein the fixed block (10) is fixedly connected to the end of the connecting rod (6), the suction plate (11) is fixedly connected to the end of the fixed block (10), the suction cup (12) is fixedly connected to the bottom of the suction plate (11), the suction cup (12) is communicated with the suction plate (11), the blocking plate (13) is slidably connected to the suction plate (11), the blocking plate (13) blocks the suction cup (12), the return spring (131) is connected between the blocking plate (13) and the fixed block (10), and the material receiving assembly is used to enable the suction cup (12) to remove the glass substrate.

4. The feeding device for LCD production according to claim 3, characterized in that: The material receiving assembly comprises a material receiving frame (14), a contact rod (15) and a contact plate (16); the material receiving frame (14) is fixedly connected to the top of the base (1); the contact rod (15) is fixedly connected to the side wall of the blocking plate (13); the contact plate (16) is fixedly connected to the top of the material receiving frame (14); the contact rod (15) moves to contact the contact plate (16), driving the blocking plate (13) to move, so that gas enters the suction cup (12), and the suction cup (12) releases the glass substrate to realize material removal.

5. The feeding device for LCD production according to claim 4, characterized in that: The inner wall of the material receiving frame (14) is an inclined surface, which is used to center the withdrawn glass substrate.

6. The feeding device for LCD production according to claim 1, characterized in that: Also included is a cleaning component, which is used to clean impurities on the surface of the glass substrate.

7. The feeding device for LCD production according to claim 6, characterized in that: The cleaning component comprises a non-woven pad 1 (17), a non-woven pad 2 (18), a wiping plate (19), an electric push rod (20), a pushing plate (21) and a pushing rod (22); the non-woven pad 1 (17) is installed in the material receiving frame (14); the non-woven pad 2 (18) is installed on the base (1); the wiping plate (19) is rotatably installed on the base (1); the wiping plate (19) is located above the non-woven pad 2 (18); the electric push rod (20) is fixedly connected in the base (1); the pushing plate (21) is slidably connected in the material receiving frame (14); and the pushing rod (22) is fixedly connected between the pushing plate (21) and the telescopic end of the electric push rod (20).

8. The feeding device for LCD production according to claim 7, characterized in that: The second nonwoven pad (18) is arranged obliquely.

9. The feeding device for LCD production according to claim 1, characterized in that: It also comprises a material receiving frame (23), wherein the material receiving frame (23) is fixedly connected to the top of the base (1).

10. The feeding device for LCD production according to claim 9, characterized in that: The inner wall of the material receiving frame (23) is an inclined surface, which facilitates the centering of the glass substrate.