LCD (liquid crystal display) automatic film laminating and pressing device

Abstract

The utility model discloses a liquid crystal display (LCD) automatic film laminating and pressing device which comprises a machine frame, the machine frame comprises a base and a working table, and a vacuum adsorption carrier used for placing a product is arranged on the upper surface of the working table. The film laminating and pressing device further comprises a pressing wheel assembly, a first translation driving mechanism capable of driving the pressing wheel assembly to translate, a film laminating assembly used for adsorbing a protective film, a rotation driving mechanism capable of driving the film laminating assembly to rotate and a second translation driving mechanism capable of driving the film laminating assembly to translate. The film covering assembly comprises a mounting bottom plate and a vacuum suction plate; buffer bearing assemblies are arranged at the two ends of the pressing wheel assembly, the two buffer bearing assemblies are connected with a first moving seat at the same time, and the first moving seat is installed at the power output end of a first translation driving mechanism; and the rotary driving mechanism is fixed on the second moving seat. The laminating device can meet the laminating requirement of a laminating film on the surface of an LCD (Liquid Crystal Display), greatly reduces the labor intensity of workers, improves the production efficiency, and can ensure the quality of the laminating film after the laminating film is laminated.

Description

Technical Field

[0001] The utility model belongs to the technical field of mechanical equipment, and in particular relates to an automatic film laminating and pressing device for LCD. Background Art

[0002] Liquid crystal display, abbreviated as LCD in English, is a type of flat panel display. It is used for screen display of televisions and computers. The advantages of this display are low power consumption, small size and low radiation. Liquid crystal display is widely used. In the production process of LCD, a protective film (or coating) needs to be attached to its surface. At present, the lamination of LCD coating process is basically done manually, which is time-consuming and labor-intensive. Even if there is a semi-automatic lamination mechanism, it can only meet the lamination of protective films of LCDs of smaller sizes (within 200mm long and 100mm wide). If the size is larger, the coating used for lamination is prone to bubbles and poor flatness, which cannot meet the needs. In addition, the manual lamination process is inefficient, labor-intensive, and time-consuming. Utility Model Content

[0003] The main technical problem solved by the utility model is to provide an automatic LCD laminating and pressing device, which meets the pressing needs of LCD surface laminating, greatly reduces manual labor intensity, improves production efficiency, and can ensure the quality of laminating and pressing.

[0004] In order to solve the above technical problems, a technical solution adopted by the utility model is: to provide an LCD automatic laminating and pressing device, comprising a frame, the frame comprising a base and a workbench, the upper surface of the workbench is provided with a vacuum suction cup for placing the product;

[0005] The laminating and laminating device further comprises a pressing wheel assembly, a first translation driving mechanism capable of driving the pressing wheel assembly to translate, a laminating assembly, a rotation driving mechanism capable of driving the laminating assembly to rotate, and a second translation driving mechanism capable of driving the laminating assembly to translate, wherein the pressing wheel assembly is located above the vacuum suction cup;

[0006] The laminating assembly comprises a mounting base plate and a vacuum suction plate, wherein the vacuum suction plate is mounted on the surface of the mounting base plate, and the lower end of the mounting base plate is fixed to a rotating shaft, which is connected to the power output end of the rotating drive mechanism, and the rotating shaft is driven to rotate by the rotating drive mechanism;

[0007] Both ends of the pressure wheel assembly are provided with buffer bearing assemblies, and the two buffer bearing assemblies are simultaneously connected to the first moving seat, and the first moving seat is installed at the power output end of the first translation driving mechanism;

[0008] The rotation drive mechanism is fixed on the second moving seat, and the second moving seat is installed on the power output end of the second translation drive mechanism.

[0009] Furthermore, the rotary drive mechanism is a rotary drive cylinder.

[0010] Furthermore, the second translation driving mechanism is a linear module driven by a servo motor.

[0011] Furthermore, the base is provided with a linear guide rail, and the second movable seat can slide along the linear guide rail.

[0012] Specifically, the first translation driving mechanism is a translation driving cylinder, and the translation driving cylinder is installed on the second moving seat; the power output end of the translation driving cylinder is fixedly connected to the first moving seat.

[0013] Furthermore, the pressure wheel assembly is a rubber-coated pressure wheel, and the buffer bearing assembly includes a bearing seat, a pin and a spring. A bearing is installed in the middle position of the bearing seat, the pin is inserted into the bearing seat and the lower end is inserted into the first movable seat, and the pin is divided into two sections by the bearing seat and defined as an upper section and a lower section respectively, and the upper section and the lower section of the pin are both covered with a spring.

[0014] Furthermore, the product is adsorbed on the vacuum suction cup by vacuum.

[0015] Furthermore, a plurality of buffers are provided at the lower end of the mounting base plate.

[0016] Furthermore, the first translation driving mechanism is a translation driving cylinder.

[0017] The beneficial effects of the utility model are:

[0018] In the utility model, the product to be coated is vacuum adsorbed on the workbench, the protective film is vacuum adsorbed on the coating component, the coating component is driven to rotate to the top of the product by the rotary drive mechanism, and then the first translation drive mechanism drives the pressing wheel component to translate to press the protective film, and at the same time the second translation drive mechanism drives the coating component to translate, so that the protective film is slowly pressed from one end of the product to the other end of the product. Therefore, the utility model can meet the pressing needs of LCD surface coating, greatly reduce manual labor intensity, improve production efficiency, and ensure the quality of the coating after pressing;

[0019] Furthermore, the buffer bearing assembly plays a role of flexible buffering during the entire pressing process, so that there are no bubbles after pressing, which greatly improves the pressing yield.

[0020] The above description is only an overview of the technical solution of the utility model. In order to more clearly understand the technical means of the utility model and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiments of the utility model in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is one of the structural diagrams of the utility model (seen from one angle);

[0022] Figure 2 It is the front view of the utility model;

[0023] Figure 3 This is the second structural diagram of the utility model (seen from another angle);

[0024] Figure 4 It is a structural schematic diagram of the pressure wheel assembly of the utility model;

[0025] The reference numerals are as follows:

[0026] Product 10, protective film 20;

[0027] Frame 1, base 11, linear guide rail 111, workbench 12, vacuum suction cup 121;

[0028] The pressure wheel assembly 2, the buffer bearing assembly 21, the bearing seat 211, the pin 212, and the first movable seat 22;

[0029] A first translation driving mechanism 3;

[0030] Laminating assembly 4, mounting base plate 41, buffer 411, vacuum suction plate 42, rotating shaft 43;

[0031] Rotation drive mechanism 5;

[0032] The second translation driving mechanism 6 and the second moving seat 61 . DETAILED DESCRIPTION

[0033] The following is a specific embodiment of the present invention, and those skilled in the art can easily understand the advantages and effects of the present invention from the contents disclosed in this specification. The present invention can also be implemented in other different ways, that is, different modifications and changes can be made without departing from the scope disclosed by the present invention.

[0034] Embodiment: An LCD automatic laminating and pressing device, such as Figures 1 to 4 As shown, it comprises a frame 1, the frame comprises a base 11 and a workbench 12, and the upper surface of the workbench is provided with a vacuum suction cup 121 for placing the product 10;

[0035] The laminating and laminating device further comprises a pressing wheel assembly 2, a first translation driving mechanism 3 capable of driving the pressing wheel assembly to translate, a laminating assembly 4 for adsorbing the protective film 20, a rotation driving mechanism 5 capable of driving the laminating assembly to rotate, and a second translation driving mechanism 6 capable of driving the laminating assembly to translate, wherein the pressing wheel assembly is located above the vacuum suction cup;

[0036] The laminating assembly 4 includes a mounting base plate 41 and a vacuum suction plate 42, wherein the vacuum suction plate is mounted on the surface of the mounting base plate, and the lower end of the mounting base plate is fixed to a rotating shaft 43, which is connected to the power output end of the rotating drive mechanism, and the rotating shaft is driven to rotate by the rotating drive mechanism;

[0037] Both ends of the pressure wheel assembly are provided with a buffer bearing assembly 21, and the two buffer bearing assemblies are simultaneously connected to a first moving seat 22, and the first moving seat is installed at the power output end of the first translation drive mechanism;

[0038] The rotation drive mechanism is fixed on the second moving seat 61, and the second moving seat is installed at the power output end of the second translation drive mechanism.

[0039] In this embodiment, the rotation driving mechanism is a rotation driving cylinder.

[0040] In this embodiment, the second translation driving mechanism is a linear module driven by a servo motor. This is a prior art, so it is not described in detail. The servo motor is the power output of the linear module.

[0041] In this embodiment, the base is provided with a linear guide rail 111, and the second movable seat can slide along the linear guide rail.

[0042] In this embodiment, the first translation driving mechanism is a translation driving cylinder, and the translation driving cylinder is installed on the second moving seat; the power output end of the translation driving cylinder is fixedly connected to the first moving seat.

[0043] In this embodiment, the pressure wheel assembly is a rubber-coated pressure wheel, and the buffer bearing assembly 21 includes a bearing seat 211, a pin 212 and a spring (not shown in the figure). A bearing (not shown in the figure) is installed in the middle position of the bearing seat. The pin is inserted into the bearing seat and the lower end is inserted into the first movable seat. The pin is divided into two sections through the bearing seat and defined as an upper section and a lower section respectively. The upper section and the lower section of the pin are both covered with a spring. It plays a certain buffering role during pressing, avoids excessive rolling pressure of the pressure wheel assembly, reduces bubbles after pressing, and improves the pressing yield.

[0044] In this embodiment, the product is adsorbed on the vacuum suction cup by vacuum.

[0045] In this embodiment, a plurality of buffers 411 are provided at the lower end of the installation base plate.

[0046] In this embodiment, the first translation driving mechanism is a translation driving cylinder, but is not limited thereto. Other driving structures are also acceptable as long as they can drive the first movable seat to translate.

[0047] In this embodiment, the product is an LCD, but it is not limited thereto, and other flat-plate-shaped workpieces may also be used.

[0048] The working principle and working process of the utility model are as follows:

[0049] Linear guides are used to facilitate the pressing action.

[0050] The rotary drive cylinder is used to flip the laminating component after it absorbs the protective film.

[0051] The film covering component can be provided with a vacuum suction cup with multiple suction nozzles for adsorbing the protective film.

[0052] Rubber-coated pressing wheel is used to press the product and the protective film.

[0053] Linear guide rails are used for horizontal translation of the laminating assembly.

[0054] The buffer bearing assembly is used for flexible buffer pressing between the rubber-coated pressing wheel and the product during the pressing process.

[0055] The translation drive cylinder is used for the horizontal translation of the pressure wheel assembly.

[0056] The buffer is used to buffer the force after the laminating component is turned over.

[0057] Vacuum suction cups are used to absorb products that need to be pressed.

[0058] Working principle or process: The film laminating component first adsorbs the film (or protective film) to be pressed on it, and after the rotary drive cylinder rotates, it covers the front end of the rubber-coated pressure wheel and the product adsorbed by the vacuum suction cup. At this time, the translation drive cylinder pushes the rubber-coated pressure wheel forward to press the front end of the film (or protective film), and then the servo motor drives the slide rail module. The entire second moving seat slides along the slide rail, and the film is pressed on the product. Finally, the film laminating pressing action is completed and needs to be rolled back once. At this time, the rotary cylinder needs to be opened and rotated to the initial position. The buffer bearing assembly plays a flexible buffer pressing process, so that there are no bubbles after pressing, which greatly improves the pressing yield.

[0059] The above description is only an embodiment of the present utility model, and does not limit the patent scope of the present utility model. Any equivalent structure made using the contents of the specification and drawings of the present utility model, or directly or indirectly used in other related technical fields, is also included in the patent protection scope of the present utility model.

Claims

1. An LCD automatic laminating and pressing device, characterized in that: The machine comprises a frame (1), the frame comprising a base (11) and a workbench (12), the upper surface of the workbench being provided with a vacuum suction cup (121) for placing a product (10); The laminating and laminating device further comprises a pressing wheel assembly (2), a first translation driving mechanism (3) capable of driving the pressing wheel assembly to translate, a laminating assembly (4) for adsorbing a protective film (20), a rotation driving mechanism (5) capable of driving the laminating assembly to rotate, and a second translation driving mechanism (6) capable of driving the laminating assembly to translate, wherein the pressing wheel assembly is located above the vacuum suction cup; The coating assembly (4) comprises a mounting base plate (41) and a vacuum suction plate (42), wherein the vacuum suction plate is mounted on the surface of the mounting base plate, and the lower end of the mounting base plate is fixed to a rotating shaft (43), wherein the rotating shaft is connected to the power output end of the rotating drive mechanism, and the rotating shaft is driven to rotate by the rotating drive mechanism; Both ends of the pressure wheel assembly are provided with a buffer bearing assembly (21), and the two buffer bearing assemblies are simultaneously connected to a first movable seat (22), and the first movable seat is installed at the power output end of the first translation drive mechanism; The rotation drive mechanism is fixed on a second movable seat (61), and the second movable seat is mounted on a power output end of the second translation drive mechanism.

2. The LCD automatic laminating and pressing device according to claim 1, characterized in that: The rotary drive mechanism is a rotary drive cylinder.

3. The LCD automatic laminating and pressing device according to claim 1, characterized in that: The second translation driving mechanism is a linear module driven by a servo motor.

4. The LCD automatic laminating and pressing device according to claim 1, characterized in that: The base is provided with a linear guide rail (111), and the second movable seat can slide along the linear guide rail.

5. The LCD automatic laminating and pressing device according to claim 1, characterized in that: The first translation driving mechanism is a translation driving cylinder, and the translation driving cylinder is installed on the second moving seat; the power output end of the translation driving cylinder is fixedly connected to the first moving seat.

6. The LCD automatic laminating and pressing device according to claim 1, characterized in that: The pressure wheel assembly is a rubber-coated pressure wheel, and the buffer bearing assembly (21) comprises a bearing seat (211), a pin (212) and a spring. A bearing is installed in the middle position of the bearing seat, and the pin is inserted into the bearing seat and the lower end is inserted into the first movable seat. The pin is divided into two sections by the bearing seat and defined as an upper section and a lower section respectively, and the upper section and the lower section of the pin are both covered with a spring.

7. The LCD automatic laminating and pressing device according to claim 1, characterized in that: The product is sucked onto the vacuum suction cup by vacuum.

8. The LCD automatic laminating and pressing device according to claim 1, characterized in that: A plurality of buffers (411) are provided at the lower end of the installation base plate.

9. The LCD automatic laminating and pressing device according to claim 1, characterized in that: The first translation driving mechanism is a translation driving cylinder.

Images