Laser cutting machine for liquid crystal display panel

Abstract

The laser cutting machine for the liquid crystal display panel comprises a supporting table, the upper side wall of the supporting table is connected with two positioning frames in a sliding mode, the rear side wall of each positioning frame is fixedly connected with a connecting block, the middle of each connecting block is fixedly connected with a threaded sleeve, and the threaded sleeve is fixedly connected with a cutting head. The interiors of the two threaded sleeves are in threaded connection with the same transmission lead screw, side supporting frames are fixedly connected to the positions, located on the two sides, of the upper side wall of the supporting table, and a laser cutting assembly is installed between the two side supporting frames. The center of the lower side wall of the supporting table is fixedly connected with a sliding seat, the lower side wall of the sliding seat is fixedly connected with an electric cylinder, the output end of the electric cylinder is fixedly connected with a sliding disc, and the upper side wall of the sliding disc is provided with a fixed suction cup and a suction pump. According to the liquid crystal panel cutting device, the liquid crystal panel can be effectively fixed through the fixing suction cups, so that the stability of the liquid crystal panel during cutting can be improved, and the influence on cutting can be effectively reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of liquid crystal panels, in particular to a laser cutting machine for liquid crystal panels. Background Art

[0002] Laser cutting, also known as laser cutting, uses a focused high-power density laser beam to irradiate the workpiece, causing the irradiated material to quickly melt, vaporize, ablate or reach the ignition point, and at the same time uses a high-speed airflow coaxial with the light beam to blow away the molten material, thereby achieving the cutting of the workpiece; in the process of producing and processing LCD panels, laser cutting machines are used for cutting.

[0003] When using a laser cutting machine to cut a liquid crystal panel, in order to ensure cutting accuracy, a clamping mechanism is generally used to fix the liquid crystal panel. However, most existing clamping mechanisms can only clamp and fix most liquid crystal panels of fixed sizes. During the cutting process of the laser cutting machine, the clamping structure will interfere with the cutting and affect the cutting efficiency. Utility Model Content

[0004] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art, and to provide a laser cutting machine for a liquid crystal panel. The device is provided with a positioning frame and a transmission screw. The transmission screw can drive two positioning frames to move inward at the same time under the drive of a driving motor, so as to push the liquid crystal panel inward, thereby aligning the central axis of the liquid crystal panel with the central axis of the supporting table. Pushing the liquid crystal panel backward can align the rear side wall of the liquid crystal panel with the rear inner wall of the positioning frame, so as to effectively and accurately position the liquid crystal panel and effectively improve the stability of subsequent cutting.

[0005] The device is provided with a fixed suction cup, an electric cylinder and a pumping air pump. The pumping air pump can suck and blow air to the fixed suction cup, thereby speeding up the fixation and separation of the fixed suction cup and the liquid crystal panel, so that the fixed suction cup can effectively fix the liquid crystal panel, thereby improving the stability of the liquid crystal panel during cutting and effectively reducing the impact on cutting.

[0006] The utility model also provides a laser cutting machine for a liquid crystal panel as described above, comprising: a support table, the upper side wall of the support table is slidably connected to two positioning frames, the rear side wall of each positioning frame is fixedly connected to a connecting block, the middle part of each connecting block is fixedly connected to a threaded sleeve, the internal threads of the two threaded sleeves are connected to the same transmission screw, the upper side wall of the support table is fixedly connected to side support frames at both sides, and a laser cutting assembly is installed between the two side support frames;

[0007] A sliding seat is fixedly connected to the center of the lower side wall of the support table, an electric cylinder is fixedly connected to the lower side wall of the sliding seat, a sliding plate is fixedly connected to the output end of the electric cylinder, and a fixed suction cup and a pumping air pump are installed on the upper side wall of the sliding plate.

[0008] According to the laser cutting machine for liquid crystal panels, the left side wall of the support table is fixedly connected to a support side plate, the upper side wall of the support side plate is fixedly connected to a drive motor, the output end of the drive motor is fixedly connected to the transmission screw, and the drive motor can drive the transmission screw to rotate.

[0009] According to the laser cutting machine for a liquid crystal panel, a matching hole is provided at the center of the upper side wall of the support table, and the matching hole matches with the fixed suction cup, and the fixed suction cup can adsorb the liquid crystal panel through the matching hole.

[0010] According to the laser cutting machine for a liquid crystal panel, the positioning frame is arranged in an L shape, and an upper pressing plate is fixedly connected to the upper side wall of the positioning frame, which can effectively prevent the liquid crystal panel from warping.

[0011] According to the laser cutting machine for a liquid crystal panel, the output end of the pumping air pump is fixedly connected to the fixed suction cup, and the pumping air pump can suck and blow air to the fixed suction cup, thereby speeding up the fixing and separation of the fixed suction cup and the liquid crystal panel.

[0012] According to the laser cutting machine for a liquid crystal panel, the sliding plate and the sliding seat are slidably connected to improve the sliding stability of the sliding plate.

[0013] According to the laser cutting machine for a liquid crystal panel, the outer wall of the transmission screw is provided with a first thread and a second thread, the thread directions of the first thread and the second thread are opposite, the transmission screw is threadedly connected to the threaded sleeve through the first thread or the second thread, and the transmission screw can drive the positioning frame to move inward or outward, thereby positioning the liquid crystal panel.

[0014] According to the laser cutting machine for liquid crystal panels, four supporting legs are fixedly connected to the lower side wall of the supporting table, and reinforcing ribs are fixedly connected between the supporting legs to improve the stability of the supporting legs.

[0015] 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

[0016] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0017] Figure 1This is a schematic structural diagram of a laser cutting machine for liquid crystal panels of the utility model;

[0018] Figure 2 It is a top view schematic diagram of a laser cutting machine for liquid crystal panels of the utility model;

[0019] Figure 3 It is a cross-sectional schematic diagram of a laser cutting machine for liquid crystal panels of the utility model;

[0020] Figure 4 The utility model is a front schematic diagram of a laser cutting machine for liquid crystal panels.

[0021] Legend:

[0022] 1. Support table; 101. Side support frame; 102. Laser cutting assembly; 103. Support leg; 104. Reinforcement rib; 105. Matching hole; 2. Sliding seat; 201. Electric cylinder; 202. Fixed suction cup; 203. Sliding plate; 204. Pump; 3. Driving motor; 301. Support side plate; 302. Drive screw; 303. First thread; 304. Second thread; 4. Positioning frame; 401. Upper pressure plate; 402. Connecting block; 403. Threaded sleeve. DETAILED DESCRIPTION

[0023] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0024] In the description of the present utility model, it should be noted that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present utility model; the terms "first", "second", and "third" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance. In addition, unless otherwise clearly specified and limited, the terms "installed", "connected", and "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 a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0025] Reference Figure 1-4 The utility model embodiment is a laser cutting machine for liquid crystal panels, which includes: a support table 1, the upper side wall of the support table 1 is slidably connected to two positioning frames 4, the positioning frames 4 are set in an L shape, and the upper side wall of the positioning frames 4 is fixedly connected to an upper pressure plate 401, which can effectively prevent the liquid crystal panel from warping.

[0026] The rear side wall of each positioning frame 4 is fixedly connected with a connecting block 402, and the middle part of each connecting block 402 is fixedly connected with a threaded sleeve 403. The internal threads of the two threaded sleeves 403 are connected with the same transmission screw 302. The left side wall of the support table 1 is fixedly connected with the supporting side plate 301, and the upper side wall of the supporting side plate 301 is fixedly connected with the driving motor 3. The output end of the driving motor 3 is fixedly connected to the transmission screw 302, and the driving motor 3 can drive the transmission screw 302 to rotate. The outer side wall of the transmission screw 302 is provided with a first thread 303 and a second thread 304. The thread directions of the first thread 303 and the second thread 304 are opposite. The transmission screw 302 is threadedly connected to the threaded sleeve 403 through the first thread 303 or the second thread 304. The transmission screw 302 can drive the positioning frame 4 to move inward or outward, so as to position the liquid crystal panel.

[0027] Side support frames 101 are fixedly connected to the upper side wall of the support table 1 and located on both sides, and a laser cutting assembly 102 is installed between the two side support frames 101 .

[0028] A sliding seat 2 is fixedly connected to the center of the lower side wall of the support table 1, and an electric cylinder 201 is fixedly connected to the lower side wall of the sliding seat 2. A sliding plate 203 is fixedly connected to the output end of the electric cylinder 201. A fixed suction cup 202 and a pumping air pump 204 are installed on the upper side wall of the sliding plate 203. The output end of the pumping air pump 204 is fixedly connected to the fixed suction cup 202. The pumping air pump 204 can evacuate and blow air to the fixed suction cup 202, thereby speeding up the fixation and separation of the fixed suction cup 202 and the liquid crystal panel. The sliding plate 203 is slidably connected to the sliding seat 2, thereby improving the sliding stability of the sliding plate 203.

[0029] A matching hole 105 is provided at the center of the upper side wall of the support table 1. The matching hole 105 matches with the fixed suction cup 202. The fixed suction cup 202 can adsorb the LCD panel through the matching hole 105. Four supporting legs 103 are fixedly connected to the lower side wall of the support table 1. Reinforcing ribs 104 are fixedly connected between the supporting legs 103 to improve the stability of the support of the supporting legs 103.

[0030] The electrical components appearing in this article are all electrically connected to an external main controller, and the main controller can be a conventional known device for control such as a computer, and the electrical components appearing in this article are all electrically connected to an external power supply.

[0031] Working principle: The device is provided with a positioning frame 4 and a transmission screw 302. The transmission screw 302 can drive the two positioning frames 4 to move inward at the same time under the drive of the driving motor 3, thereby pushing the LCD panel inward, and then aligning the central axis of the LCD panel with the central axis of the supporting table 1. Pushing the LCD panel backward can align the rear side wall of the LCD panel with the rear inner wall of the positioning frame, which can effectively and accurately position the LCD panel and effectively improve the stability of subsequent cutting; the device is provided with a fixed suction cup 202, an electric cylinder 201 and a pumping air pump 204. The pumping air pump 204 can evacuate and blow air to the fixed suction cup 202, thereby accelerating the fixation and separation of the fixed suction cup 202 and the LCD panel, and then the fixed suction cup 202 can effectively fix the LCD panel, thereby improving the stability of the LCD panel during cutting and effectively reducing the impact on the cutting.

[0032] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A laser cutting machine for liquid crystal panels, characterized in that: include: A support table (1), wherein the upper side wall of the support table (1) is slidably connected to two positioning frames (4), the rear side wall of each positioning frame (4) is fixedly connected to a connecting block (402), the middle part of each connecting block (402) is fixedly connected to a threaded sleeve (403), the internal threads of the two threaded sleeves (403) are connected to the same transmission screw (302), the upper side wall of the support table (1) is fixedly connected to side support frames (101) on both sides, and a laser cutting assembly (102) is installed between the two side support frames (101); A sliding seat (2) is fixedly connected to the center of the lower side wall of the support table (1), an electric cylinder (201) is fixedly connected to the lower side wall of the sliding seat (2), a sliding plate (203) is fixedly connected to the output end of the electric cylinder (201), and a fixed suction cup (202) and a pumping air pump (204) are installed on the upper side wall of the sliding plate (203).

2. The laser cutting machine for liquid crystal panel according to claim 1, characterized in that: The left side wall of the support table (1) is fixedly connected to a support side plate (301), the upper side wall of the support side plate (301) is fixedly connected to a drive motor (3), and the output end of the drive motor (3) is fixedly connected to the transmission screw (302).

3. The laser cutting machine for liquid crystal panel according to claim 1, characterized in that: A matching hole (105) is provided at the center of the upper side wall of the support table (1), and the matching hole (105) matches with the fixed suction cup (202).

4. The laser cutting machine for liquid crystal panel according to claim 1, characterized in that: The positioning frame (4) is arranged in an L shape, and an upper pressing plate (401) is fixedly connected to the upper side wall of the positioning frame (4).

5. The laser cutting machine for liquid crystal panel according to claim 1, characterized in that: The output end of the pumping air pump (204) is fixedly connected to the fixed suction cup (202).

6. The laser cutting machine for liquid crystal panel according to claim 1, characterized in that: The sliding plate (203) and the sliding seat (2) are slidably connected.

7. The laser cutting machine for liquid crystal panel according to claim 1, characterized in that: The outer wall of the transmission screw (302) is provided with a first thread (303) and a second thread (304), the thread directions of the first thread (303) and the second thread (304) are opposite, and the transmission screw (302) is threadedly connected to the threaded sleeve (403) via the first thread (303) or the second thread (304).

8. The laser cutting machine for liquid crystal panel according to claim 1, characterized in that: Four support legs (103) are fixedly connected to the lower side wall of the support table (1), and reinforcing ribs (104) are fixedly connected between the support legs (103).

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