Cutting machining device for TFT liquid crystal display screen

Abstract

The utility model discloses a TFT (Thin Film Transistor) liquid crystal display screen cutting processing device, which belongs to the technical field of TFT liquid crystal display screen processing equipment, solves the problem that the TFT liquid crystal display screen is possibly damaged due to friction between the TFT liquid crystal display screen and a cut TFT liquid crystal display screen when the TFT liquid crystal display screen is controlled to rotate by the existing device, and comprises a cutting assembly, the cutting assembly comprises a first motor fixedly mounted on the top face of the mounting plate, the output end of the first motor penetrates through the top face of the mounting plate and is fixedly provided with a gear, the middle of the top face of the pressing plate is rotationally sleeved with a sleeve through a bearing ring, and a first electric telescopic rod is fixedly mounted on the side wall of the sleeve. And a cutting tool bit is arranged at the output end of the first electric telescopic rod, after the two sides of the TFT liquid crystal display screen are cut through the cutting tool bit, the first motor drives the cutting tool bit to rotate by 90 degrees, then cutting is conducted again, and the situation that the TFT liquid crystal display screen is damaged due to collision or friction during moving is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of TFT liquid crystal display screen processing equipment, in particular to a TFT liquid crystal display screen cutting processing device. Background Art

[0002] TFT liquid crystal display, also known as thin film transistor, has the advantages of high speed, high brightness and high contrast in displaying screen information, which has become an important factor in the current market's mainstream sales. During the production process of TFT liquid crystal display, it needs to be cut into appropriate sizes to adapt to different production needs.

[0003] After searching, the application with patent number CN202220065711.7 discloses a cutting device for processing TFT liquid crystal display screens, including a supporting structure, a fixing structure and a cutting structure. The supporting structure includes an annular supporting frame, a first driving member and a limiting member, the limiting member is fixed on both sides of one end of the annular supporting frame, the fixing structure includes a first slider and a second cylinder, the first slider is mounted on the first driving member, the end of the stepper motor output shaft passes through the first slider and extends to the outside, the second fixing frame is fixed on the annular supporting frame, the second driving member is mounted on the second fixing frame, the electric cylinder is mounted on the second driving member, and a cutting head is mounted on the end of the electric cylinder;

[0004] Although the cutting device for processing the TFT LCD screen drives the placement table and the TFT LCD screen above it to rotate 90 degrees through the stepper motor and then pass under the cutting head again to cut the TFT LCD display, the cutting device for processing the TFT LCD screen needs to control the placement table and the TFT LCD screen above it to rotate four times before the cutting is completed. When the TFT LCD screen rotates, it may rub against the cut TFT LCD screen, causing damage to the TFT LCD screen.

[0005] Therefore, we propose a TFT liquid crystal display cutting processing device. Utility Model Content

[0006] In view of the shortcomings of the prior art, the utility model provides a TFT liquid crystal display cutting and processing device, which solves the problem that the prior device needs to control the placement table and the TFT liquid crystal display above it to rotate four times before cutting is completed, and when the TFT liquid crystal display is rotated, it may rub against the cut TFT liquid crystal display, causing damage to the TFT liquid crystal display.

[0007] To achieve the above purpose, the utility model is implemented through the following technical solutions: a TFT liquid crystal display cutting processing device, comprising a bottom plate, the side wall of the bottom plate is fixedly installed with an L-shaped plate;

[0008] A pressing assembly and a cutting assembly are arranged above the bottom plate;

[0009] The clamping assembly comprises a connecting rod, a mounting plate is fixedly sleeved on the outer surface of the connecting rod, and a pressing plate is fixedly mounted on the bottom surface of the connecting rod;

[0010] The cutting assembly includes a first motor fixedly mounted on the top surface of the mounting plate, the output end of the first motor passes through the top surface of the mounting plate and is fixedly mounted with a gear, the middle part of the top surface of the pressure plate is rotatably sleeved with a sleeve through a bearing ring, the top of the sleeve is provided with a gear groove meshing with the gear, the side wall of the sleeve is fixedly mounted with a first electric telescopic rod, and the output end of the first electric telescopic rod is provided with a cutting head.

[0011] Preferably, the sleeve is rotatably sleeved on the outer surface of the connecting rod, and two first electric telescopic rods are provided and symmetrically distributed on both sides of the sleeve, wherein the gear is driven to rotate by the first motor, and then the gear drives the sleeve to rotate, and the sleeve can drive the first electric telescopic rod and the cutting head at the output end thereof to rotate together.

[0012] Preferably, a mounting seat is fixedly installed on the output end of the first electric telescopic rod, a slide groove is provided on the bottom surface of the mounting seat, and a threaded rod is rotatably mounted on the inner wall of the slide groove through a bearing ring, a slider matching the slide groove is threadedly mounted on the outer surface of the threaded rod, a second electric telescopic rod is fixedly installed on the bottom surface of the slider, and a cutting head is fixedly installed on the output end of the second electric telescopic rod, wherein the threaded rod is driven to rotate, and then the slider can be driven to move along the inner wall of the slide groove, and then the slider can drive the cutting head to move on the surface of the TFT liquid crystal display screen, and the TFT liquid crystal display screen can be cut by pushing the cutting head downward by the second electric telescopic rod.

[0013] Preferably, a second motor is fixedly mounted on the side of the mounting seat, and an output end of the second motor passes through the side wall of the mounting seat and is fixedly connected to one end of the threaded rod, wherein the second motor is convenient for driving the threaded rod to rotate.

[0014] Preferably, the clamping assembly includes a cylinder fixedly mounted on the top surface of the L-shaped plate, and an output end of the cylinder penetrates through the top surface of the L-shaped plate and is fixedly mounted with a stepper motor, wherein the stepper motor can be pushed to move downward by the cylinder.

[0015] Preferably, the output end of the stepper motor is fixedly connected to a connecting rod, wherein when the stepper motor moves downward, it can drive the connecting rod and the pressure plate to move downward together, and the stepper motor drives the connecting rod and the stepper motor to rotate, thereby adjusting the angle of the cutting assembly.

[0016] Preferably, a pad located just below the sleeve is fixedly mounted on the top surface of the bottom plate, wherein the TFT liquid crystal display screen can be placed on the top surface of the pad.

[0017] The utility model provides a TFT liquid crystal display screen cutting and processing device, which has the following beneficial effects:

[0018] The TFT liquid crystal display cutting and processing device drives the gear to rotate through the first motor, and then drives the sleeve and the first electric telescopic rods on both sides to rotate together. When the mounting seat at the output end of the first electric telescopic rod is parallel to the edge of the TFT liquid crystal display, the mounting seat and the cutting head can be pushed to move by the first electric telescopic rod until the spacing between the cutting heads on both sides matches the cutting size of the TFT liquid crystal display. Then, the cutting head is pushed downward by the second electric telescopic rod to contact the surface of the TFT liquid crystal display. Then, the second motor is started to drive the threaded rod to rotate, and then the slider and the second electric telescopic rod below it are driven to move, so that the cutting head at the output end of the second electric telescopic rod can be driven to move back along the surface of the TFT liquid crystal display. After the cutting is completed, the cutting head is retracted by the second electric telescopic rod, and then the first motor drives the sleeve and the cutting heads on both sides thereof to rotate 90 degrees, and then the TFT LCD screen is cut again by the cutting head. During the cutting process, the TFT LCD screen itself does not need to move, thus avoiding the TFT LCD screen from being damaged due to collision or friction during movement, and solving the problem that the existing device needs to control the placement table and the TFT LCD screen above it to rotate four times before the cutting is completed, and the TFT LCD screen may be damaged due to friction with the cut TFT LCD screen when the TFT LCD screen rotates. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the structure of the utility model;

[0020] Figure 2 It is a side view structural schematic diagram of the utility model;

[0021] Figure 3 This is a schematic diagram of the structure of the clamping assembly of the utility model;

[0022] Figure 4 This is a schematic diagram of the cutting assembly structure of the utility model.

[0023] In the figure: 1, bottom plate; 11, pad; 2, L-shaped plate; 3, clamping assembly; 31, cylinder; 32, stepping motor; 33, connecting rod; 34, mounting plate; 35, pressing plate; 4, cutting assembly; 41, first motor; 42, gear; 43, sleeve; 44, gear slot; 45, first electric telescopic rod; 46, mounting seat; 47, second motor; 48, cutting head. DETAILED DESCRIPTION

[0024] 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.

[0025] Embodiment 1:

[0026] like Figure 1-4As shown: it includes a bottom plate 1, an L-shaped plate 2 is fixedly installed on the side wall of the bottom plate 1, a clamping assembly 3 and a cutting assembly 4 are arranged above the bottom plate 1, the clamping assembly 3 includes a connecting rod 33, the outer surface of the connecting rod 33 is fixedly sleeved with a mounting plate 34, the bottom surface of the connecting rod 33 is fixedly installed with a pressing plate 35, the cutting assembly 4 includes a first motor 41 fixedly installed on the top surface of the mounting plate 34, the output end of the first motor 41 passes through the top surface of the mounting plate 34 and is fixedly installed with a gear 42, the middle part of the top surface of the pressing plate 35 is rotatably sleeved with a sleeve 43 through a bearing ring, the top of the sleeve 43 is provided with a gear groove 44 meshing with the gear 42, and the side wall of the sleeve 43 is fixedly installed with a first electric telescopic The output end of the first electric telescopic rod 45 is provided with a cutting head 48, the sleeve 43 is rotatably sleeved on the outer surface of the connecting rod 33, and the first electric telescopic rod 45 is provided with two and symmetrically distributed on both sides of the sleeve 43. The output end of the first electric telescopic rod 45 is fixedly installed with a mounting seat 46, and a slide groove is provided on the bottom surface of the mounting seat 46, and a threaded rod is rotatably sleeved on the inner wall of the slide groove through a bearing ring. The outer surface of the threaded rod is threadedly sleeved with a slider matching the slide groove, and a second electric telescopic rod is fixedly installed on the bottom surface of the slider, and a cutting head 48 is fixedly installed on the output end of the second electric telescopic rod, and a second motor 47 is fixedly installed on the side of the mounting seat 46. The output end of 47 penetrates the side wall of the mounting seat 46 and is fixedly connected to one end of the threaded rod. The first motor 41 drives the gear 42 to rotate, and then drives the sleeve 43 and the first electric telescopic rods 45 on both sides thereof to rotate together. When the mounting seat 46 at the output end of the first electric telescopic rod 45 is parallel to the edge of the TFT liquid crystal display screen, the mounting seat 46 and the cutting head 48 can be pushed to move by the first electric telescopic rod 45 until the spacing between the cutting heads 48 on both sides matches the cutting size of the TFT liquid crystal display screen, and then the cutting head 48 is pushed downward by the second electric telescopic rod to contact the surface of the TFT liquid crystal display screen, and then the second motor 47 is started to drive the threaded rod to rotate. The first motor 41 drives the sliding block 43 and the second electric telescopic rod below it to move, which can drive the cutting head 48 at the output end of the second electric telescopic rod to move repeatedly along the surface of the TFT liquid crystal display screen, and then cut the two sides of the TFT liquid crystal display screen synchronously. After the cutting is completed, the cutting head 48 is retracted by the second electric telescopic rod, and then the first motor 41 drives the sleeve 43 and the cutting heads 48 on both sides thereof to rotate 90°, and then the TFT liquid crystal display screen is cut again by the cutting head 48. During the cutting process, the TFT liquid crystal display screen does not need to move itself, so that the TFT liquid crystal display screen is prevented from being damaged due to bumps or frictions during movement.

[0027] Embodiment 2:

[0028] like Figure 1-3As shown: the clamping assembly 3 includes a cylinder 31 fixedly installed on the top surface of the L-shaped plate 2, the output end of the cylinder 31 passes through the top surface of the L-shaped plate 2 and is fixedly installed with a stepper motor 32, the output end of the stepper motor 32 is fixedly connected with a connecting rod 33, and the top surface of the base plate 1 is fixedly installed with a pad 11 located directly below the sleeve 43, the stepper motor 32 can be pushed downward by the cylinder 31, when the stepper motor 32 moves downward, it can drive the connecting rod 33 and the pressure plate 35 to move downward together, and the stepper motor 32 drives the connecting rod 33 and the stepper motor 32 to rotate, and then adjust the angle of the cutting assembly 4, the TFT liquid crystal display can be placed on the top surface of the pad 11.

[0029] Working principle and use process of the utility model: When the TFT liquid crystal display cutting processing device is used, the TFT liquid crystal display is first placed on the top surface of the backing plate 11, and then the cylinder 31 is started to push the pressing plate 35 downward until the pressing plate 35 is pressed on the top surface of the TFT liquid crystal display, so that the TFT liquid crystal display can be pressed and fixed on the top surface of the backing plate 11, and then the first motor 41 is started to drive the gear 42 to rotate, and then the sleeve 43 and the first electric telescopic rods 45 on both sides thereof are driven to rotate together. When the mounting seat 46 at the output end of the first electric telescopic rod 45 is parallel to the edge of the TFT liquid crystal display, the first electric telescopic rod 45 can be started to push the mounting seat 46 and the cutting head 48 to move until the distance between the cutting heads 48 on both sides is the same as that of the TFT liquid crystal display. The cutting size of the display screen is matched, and then the second electric telescopic rod is started to push the cutting head 48 downward to contact the surface of the TFT liquid crystal display screen, and then the second motor 47 is started to drive the threaded rod to rotate, and then the slider and the second electric telescopic rod below it are driven to move, which can drive the cutting head 48 at the output end of the second electric telescopic rod to move repeatedly along the surface of the TFT liquid crystal display screen, and then the two sides of the TFT liquid crystal display screen are cut synchronously. After the cutting is completed, the cutting head 48 is retracted by the second electric telescopic rod, and then the first motor 41 is started to drive the sleeve 43 and the cutting heads 48 on both sides of the sleeve 43 to rotate 90°, and then the TFT liquid crystal display screen is cut again by the cutting head 48, and the cutting work of the TFT liquid crystal display screen can be completed.

[0030] The above shows and describes the basic principles and main features of the utility model and the advantages of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is limited by the attached claims rather than the above description, and it is intended to include all changes within the meaning and scope of the equivalent elements of the claims. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0031] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A TFT liquid crystal display cutting and processing device, comprising a bottom plate (1), wherein an L-shaped plate (2) is fixedly mounted on a side wall of the bottom plate (1); Features: A pressing assembly (3) and a cutting assembly (4) are arranged above the bottom plate (1); The clamping assembly (3) comprises a connecting rod (33), a mounting plate (34) is fixedly mounted on the outer surface of the connecting rod (33), and a pressing plate (35) is fixedly mounted on the bottom surface of the connecting rod (33); The cutting assembly (4) comprises a first motor (41) fixedly mounted on the top surface of a mounting plate (34); the output end of the first motor (41) penetrates through the top surface of the mounting plate (34) and is fixedly mounted with a gear (42); a sleeve (43) is rotatably sleeved on the middle part of the top surface of the pressing plate (35) through a bearing ring; a gear groove (44) meshing with the gear (42) is provided at the top end of the sleeve (43); a first electric telescopic rod (45) is fixedly mounted on the side wall of the sleeve (43); and a cutting head (48) is provided at the output end of the first electric telescopic rod (45).

2. The TFT liquid crystal display cutting and processing device according to claim 1, characterized in that: The sleeve (43) is rotatably sleeved on the outer surface of the connecting rod (33), and two first electric telescopic rods (45) are provided and symmetrically distributed on both sides of the sleeve (43).

3. The TFT liquid crystal display cutting and processing device according to claim 1, characterized in that: The output end of the first electric telescopic rod (45) is fixedly mounted with a mounting seat (46), the bottom surface of the mounting seat (46) is provided with a slide groove, and the inner wall of the slide groove is rotatably sleeved with a threaded rod through a bearing ring, the outer surface of the threaded rod is threadedly sleeved with a slider matching the slide groove, the bottom surface of the slider is fixedly mounted with a second electric telescopic rod, and the output end of the second electric telescopic rod is fixedly mounted with a cutting head (48).

4. The TFT liquid crystal display cutting and processing device according to claim 3 is characterized in that: A second motor (47) is fixedly mounted on the side of the mounting seat (46), and an output end of the second motor (47) passes through the side wall of the mounting seat (46) and is fixedly connected to one end of the threaded rod.

5. The TFT liquid crystal display cutting and processing device according to claim 1, characterized in that: The clamping assembly (3) comprises a cylinder (31) fixedly mounted on the top surface of the L-shaped plate (2), and a stepping motor (32) is fixedly mounted on the output end of the cylinder (31) penetrating through the top surface of the L-shaped plate (2).

6. The TFT liquid crystal display cutting device according to claim 5, characterized in that: The output end of the stepping motor (32) is fixedly connected with a connecting rod (33).

7. The TFT liquid crystal display cutting device according to claim 5, characterized in that: A pad (11) located directly below the sleeve (43) is fixedly mounted on the top surface of the bottom plate (1).

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