High-speed automatic die cutting device for liquid crystal display panel

Abstract

The high-speed automatic die cutting device comprises a die cutting bottom plate, electric telescopic rods are fixedly connected to the four corners of the upper portion of the die cutting bottom plate, a top plate is fixedly connected to the extending ends of the electric telescopic rods, a first threaded rod is rotatably connected to the interior of the top plate, and a second threaded rod is rotatably connected to the interior of the first threaded rod. The two sides of the middle of the first threaded rod are both in threaded connection with threaded blocks, the bottom ends of the threaded blocks are fixedly connected with threaded frames, and the bottom ends of the threaded frames are fixedly connected with cutting knives. The device is provided with the L-shaped clamping plates, the gear body, the rack and the rubber plate, the L-shaped clamping plate on one side is adjusted according to the size of the liquid crystal panel, the L-shaped clamping plate is located on the upper surface of the liquid crystal panel through movement of the sliding block, the servo motor drives the gear body to rotate, the gear body is meshed with the rack, the L-shaped clamping plate descends, and then the liquid crystal panel is clamped. The liquid crystal panel is clamped in an abutting mode through the rubber plate.

Description

Technical Field

[0001] The utility model relates to the technical field of automatic die-cutting of liquid crystal panels, in particular to a high-speed automatic die-cutting device for liquid crystal panels. Background Art

[0002] The LCD panel is the material that determines the brightness, contrast, color, and viewing angle of the LCD display. The price trend of the LCD panel directly affects the price of the LCD display. The quality and technology of the LCD panel are related to the overall performance of the LCD display. During the processing of the LCD panel, it is necessary to use a die-cutting device to cut it. The die-cutting process can make the parts to be cut into die-cutting plates according to pre-designed graphics for cutting, so that the shape of the parts to be cut is no longer limited to straight edges.

[0003] The LCD panels in the prior art need to be die-cut according to the required size after production, but the traditional method uses manual hand-held die-cutting of the LCD panels, which has low efficiency and slow speed. If mechanical automated die-cutting is used, it is impossible to effectively clamp and cooperate with the mechanical structure to perform die-cutting on LCD panels of different sizes, which is inconvenient to use. Utility Model Content

[0004] The purpose of the utility model is to provide a high-speed automatic die-cutting device for liquid crystal panels. By moving a sliding block, its L-shaped clamping plate is placed on the upper surface of the liquid crystal panel, and by driving a servo motor, its gear body is rotated to engage with the rack, the L-shaped clamping plate is lowered, and the liquid crystal panel is clamped by a rubber plate to keep the position fixed.

[0005] To achieve the above object, a high-speed automatic die-cutting device for a liquid crystal panel is provided, comprising: a die-cutting bottom plate, the four upper corners of the die-cutting bottom plate are fixedly connected to electric telescopic rods, the extended ends of the electric telescopic rods are fixedly connected to a top plate, the interior of the top plate is rotatably connected to a first threaded rod, both sides of the middle of the first threaded rod are threadedly connected to threaded blocks, the bottom end of the threaded block is fixedly connected to a threaded rack, and the bottom end of the threaded rack is fixedly connected to a cutting knife;

[0006] The four inner corner edges of the die-cutting base plate are all provided with L-shaped clamping plates, and the inner sides of the die-cutting base plate at one end are provided with sliding grooves, and the inner side of the sliding groove is slidably matched with a slider, and the inner side of the slider is slidably matched with the L-shaped clamping plate.

[0007] According to the high-speed automatic die-cutting device for liquid crystal panels, a rack is fixedly connected to the rear side of the L-shaped clamping plate, and a gear body is meshed with one side of the rack.

[0008] According to the high-speed automatic die-cutting device for liquid crystal panels, the bottom end of the die-cutting base plate and the bottom end of the slider on one side are fixedly connected to a fixing frame, a servo motor is fixedly connected inside the fixing frame, and the driving end of the servo motor is fixedly connected to the gear body.

[0009] According to the high-speed automatic die-cutting device for liquid crystal panels, a second threaded rod is threadedly connected to one side of the inner portion of the threaded frame, and a sliding rod is slidably matched to the other side of the threaded frame.

[0010] According to the high-speed automatic die-cutting device for liquid crystal panels, both ends of the outer side of the threaded frame are fixedly connected to a fixed shell, the outer side of the fixed shell is fixedly connected to a first motor, and the driving end of the first motor is fixedly connected to the second threaded rod.

[0011] According to the high-speed automatic die-cutting device for a liquid crystal panel, one end of the top plate is fixedly connected to a second motor, and a driving end of the second motor is fixedly connected to the first threaded rod.

[0012] According to the high-speed automatic die-cutting device for liquid crystal panels, a sliding block is fixedly connected to the outer side of the sliding block, and a rubber plate is fixedly connected to the inner side of the L-shaped clamping plate.

[0013] The above scheme has the following beneficial effects:

[0014] 1. The utility model is provided with an L-shaped clamping plate, a gear body, a rack and a rubber plate. The L-shaped clamping plate on one side is adjusted according to the size of the liquid crystal panel. The L-shaped clamping plate is placed on the upper surface of the liquid crystal panel by moving the sliding block, and the gear body is rotated by a servo motor to mesh with the rack, so that the L-shaped clamping plate is lowered, and the liquid crystal panel is clamped by the rubber plate to keep the position fixed. The rubber plate material is flexible and can provide clamping buffer protection.

[0015] 2. The utility model is provided with a first threaded rod, a second threaded rod, a threaded frame and a cutting knife. The first motor drives the second threaded rod to rotate, and after rotation, the second threaded rod is threadedly matched with the threaded frame to realize thread position movement. The second motor can drive the first threaded rod to rotate, and after rotation, the second threaded rod is threadedly matched with the threaded block to realize lateral position movement. It can complete lateral and longitudinal position movement as required, facilitate position movement through the cutting knife, and cooperate with the electric telescopic rod to realize electric telescopic movement to complete the descending effect.

[0016] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The present utility model will be further described below in conjunction with the accompanying drawings and embodiments;

[0018] Figure 1 It is a front sectional view of a high-speed automatic die-cutting device for a liquid crystal panel of the present utility model;

[0019] Figure 2 It is a three-dimensional structure diagram of a threaded frame of a high-speed automatic die-cutting device for a liquid crystal panel of the present utility model;

[0020] Figure 3 For the present utility model Figure 1 The enlarged view at position A in;

[0021] Figure 4 It is a structure diagram of a rubber plate and an L-shaped clamping plate of a high-speed automatic die-cutting device for a liquid crystal panel of the present utility model.

[0022] Legend description:

[0023] 1. Die-cutting bottom plate; 2. Electric telescopic rod; 3. First threaded rod; 4. First motor; 5. Second motor; 6. Cutting knife; 7. Slide bar; 8. Threaded frame; 9. Second threaded rod; 10. Threaded block; 11. Fixed frame; 12. Gear body; 13. Chute; 14. L-shaped clamping plate; 15. Sliding block; 16. Rack; 17. Rubber plate. Specific implementation manners

[0024] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.

[0025] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model 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. Therefore, it should not be construed as a limitation to the present utility model; the terms "first", "second", "third" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance. In addition, unless otherwise clearly specified and defined, the terms "installed", "connected", "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0026] Referring to Figures 1-4 , an embodiment of the present utility model provides a high-speed automatic die-cutting device for a liquid crystal panel, which includes: a die-cutting bottom plate 1. Electric telescopic rods 2 are fixedly connected to the four corners above the die-cutting bottom plate 1. The electric telescopic rods 2 realize electric telescoping and complete the descending function. The extending ends of the electric telescopic rods 2 are fixedly connected to a top plate. A first threaded rod 3 is rotatably connected inside the top plate. Threaded blocks 10 are threadedly connected to both sides of the middle of the first threaded rod 3. The bottom ends of the threaded blocks 10 are fixedly connected to threaded frames 8. The bottom ends of the threaded frames 8 are fixedly connected to cutting knives 6. The cutting operation of the liquid crystal panel is realized through the cutting knives 6. Fixed frames 11 are fixedly connected to the bottom ends of one side of the die-cutting bottom plate 1 and the bottom ends of the sliders. A servo motor is fixedly connected inside the fixed frames 11. The driving end of the servo motor is fixedly connected to a gear main body 12. A second threaded rod 9 is threadedly connected to one side inside the threaded frame 8. A slide rod 7 is slidably matched with the other side of the threaded frame 8. Fixed outer shells are fixedly connected to both ends of the outside of the threaded frame 8. A first motor 4 is fixedly connected to the outside of the fixed outer shell. The first motor 4 drives the second threaded rod 9 to rotate. After rotation, it is threadedly matched with the threaded frame 8, and the threaded position movement can be realized. The driving end of the first motor 4 is fixedly connected to the second threaded rod 9;

[0027] The four inner corner edges of the die-cutting bottom plate 1 are all provided with L-shaped clamping plates 14. By placing the liquid crystal panel on the top of the die-cutting bottom plate 1, the L-shaped clamping plate 14 on one side is adjusted according to the size of the liquid crystal panel. Slide grooves 13 are provided on both sides of the inner part of the die-cutting bottom plate 1 at one end. The position movement can be achieved by sliding the slide groove 13 and the slider. The inner side of the slider is slidably matched with the L-shaped clamping plate 14. The rear side of the L-shaped clamping plate 14 is fixedly connected with a rack 16. One side of the rack 16 is meshed with a gear body 12. The gear body 12 is driven by a servo motor to rotate and mesh with the rack 16, so that the L-shaped clamping plate 14 is lowered, and the rubber plate 17 is used to The liquid crystal panel is clamped by resistance and keeps its position fixed. One end of the top plate is fixedly connected to the second motor 5, which can drive the rotation of the first threaded rod 3. After rotation, it is threadedly matched with the threaded block 10 to achieve lateral position movement. It can complete lateral and longitudinal position movement as required, and is convenient for position movement through the cutting knife 6. The driving end of the second motor 5 is fixedly connected to the first threaded rod 3, and the outer side of the slider is fixedly connected to the sliding block 15. Through the movement of the sliding block 15, its L-shaped clamping plate 14 is located on the upper surface of the liquid crystal panel. The inner side of the L-shaped clamping plate 14 is fixedly connected to the rubber plate 17. The rubber plate 17 has a buffering effect, which can protect the liquid crystal panel clamping.

[0028] Working principle: When in use, first place the liquid crystal panel on top of the die-cutting base plate 1, and then adjust the L-shaped clamping plate 14 on one side according to the size of the liquid crystal panel, and move the sliding block 15 to place the L-shaped clamping plate 14 on the upper surface of the liquid crystal panel, and drive the servo motor to rotate the gear body 12 and engage with the rack 16 to lower the L-shaped clamping plate 14, and clamp the liquid crystal panel through the rubber plate 17 to keep the position fixed, and then the first motor 4 and the second motor 5 can be driven by the first motor 4 to drive the second threaded rod 9 to rotate, and after rotation, it can be threadedly matched with the threaded frame 8 to achieve thread position movement, and the second motor 5 can drive the first threaded rod 3 to rotate, and after rotation, it can be threadedly matched with the threaded block 10 to achieve lateral position movement, and can complete lateral and longitudinal position movement as required, which is convenient for position movement through the cutting knife 6, and cooperates with the electric telescopic rod 2 to achieve electric telescopic extension to complete the descending effect.

[0029] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A high-speed automatic die-cutting device for a liquid crystal panel, comprising: The die-cutting base plate (1) is characterized in that the four upper corners of the die-cutting base plate (1) are fixedly connected to electric telescopic rods (2), the extended ends of the electric telescopic rods (2) are fixedly connected to a top plate, the interior of the top plate is rotatably connected to a first threaded rod (3), both sides of the middle of the first threaded rod (3) are threadedly connected to threaded blocks (10), the bottom end of the threaded block (10) is fixedly connected to a threaded rack (8), and the bottom end of the threaded rack (8) is fixedly connected to a cutting knife (6); The four inner corner edges of the die-cutting base plate (1) are all provided with L-shaped clamping plates (14), and the inner sides of the die-cutting base plate (1) at one end are provided with sliding grooves (13), the inner side of the sliding groove (13) is slidably matched with a slider, and the inner side of the slider is slidably matched with the L-shaped clamping plate (14).

2. A high-speed automatic die-cutting device for liquid crystal panels according to claim 1, characterized in that: A rack (16) is fixedly connected to the rear side of the L-shaped clamping plate (14), and a gear body (12) is meshed with one side of the rack (16).

3. The high-speed automatic die-cutting device for liquid crystal panels according to claim 1, characterized in that: The bottom end of the die-cutting base plate (1) and the bottom end of the slide block on one side are both fixedly connected to a fixing frame (11), a servo motor is fixedly connected inside the fixing frame (11), and a driving end of the servo motor is fixedly connected to a gear body (12).

4. The high-speed automatic die-cutting device for liquid crystal panels according to claim 1, characterized in that: A second threaded rod (9) is threadedly connected to one side of the inner part of the threaded rack (8), and a sliding rod (7) is slidably matched to the other side of the threaded rack (8).

5. The high-speed automatic die-cutting device for liquid crystal panels according to claim 1, characterized in that: Both ends of the outer side of the threaded frame (8) are fixedly connected to a fixed shell, the outer side of the fixed shell is fixedly connected to a first motor (4), and the driving end of the first motor (4) is fixedly connected to the second threaded rod (9).

6. The high-speed automatic die-cutting device for liquid crystal panels according to claim 1, characterized in that: A second motor (5) is fixedly connected to one end of the top plate, and a driving end of the second motor (5) is fixedly connected to the first threaded rod (3).

7. The high-speed automatic die-cutting device for liquid crystal panels according to claim 1, characterized in that: A sliding block (15) is fixedly connected to the outer side of the sliding block, and a rubber plate (17) is fixedly connected to the inner side of the L-shaped clamping plate (14).

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