Overturning clamp for display screen production

Abstract

The utility model discloses a turnover clamp for display screen production, and relates to the technical field of display screen production, the turnover clamp comprises a bottom plate, two lifting turnover mechanisms are symmetrically connected in the bottom plate in a sliding mode, and a display screen clamping mechanism is fixedly installed on the outer surface of each lifting turnover mechanism. By means of the lifting turnover mechanism, during turnover, the first motor can drive the vertical rod to ascend and descend, so that the display screen has enough space to rotate, the display screen can be clamped through the display screen clamping mechanism and the limiting mechanism, and the display screen can be conveniently clamped through the lifting turnover mechanism and the limiting mechanism. According to the display screen limiting device, the other two sides of the display screen can be automatically limited, manual operation is not needed, so that the workload is reduced, the working efficiency is improved, the display screen can move due to the existence of the rubber supporting rollers, and abrasion to the surface of the display screen can be reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to display screen production technical field, concretely is a kind of turnover fixture for display screen production. BACKGROUND

[0002] In the display screen production process, the display screen needs to be turned over for testing, therefore, a turnover fixture is needed to fix the display screen. According to the search, a patent with the patent number CN221495963U discloses a turnover fixture for display screen production, which comprises a bottom frame, and two fixed plates symmetrically fixed and installed on the top of the bottom frame. Two guide rods are symmetrically fixed and installed on the opposite side of the two fixed plates close to the top.

[0003] Although the above technical solution can limit the other two sides of display screens of different widths and improve the stability of the display screen during turning over, manual movement and rotation of the two limiting plates are required during actual use, which not only reduces work efficiency but also increases the burden. In addition, the size of the display screen may vary, and the height of the two supporting plates is fixed, so it is not convenient to turn over the larger display screen, which may easily touch the bottom. UTILITY MODEL CONTENT

[0004] To overcome the shortcomings of the prior art, the utility model provides a turnover fixture for display screen production, which solves the problems raised in the background art.

[0005] To achieve the above purpose, the utility model is implemented by the following technical solutions: a turnover fixture for display screen production, comprising a bottom plate, two lifting and turning mechanisms symmetrically and slidably connected inside the bottom plate, a display screen clamping mechanism fixedly installed on the outer surface of the lifting and turning mechanism, and a limiting mechanism installed inside the lifting and turning mechanism and matched with the display screen clamping mechanism.

[0006] The lifting and turning mechanism comprises a support pipe slidably connected inside the bottom plate, a vertical rod slidably connected inside the support pipe, a rotating shaft penetratingly and rotatably connected to the top end of the vertical rod, and a U-shaped frame fixedly connected to one end of the rotating shaft.

[0007] Preferably, a first motor is fixedly installed at the inner bottom of the support pipe, and the output shaft of the first motor is fixedly connected with a first one-way screw rod threadedly connected with the inside of the vertical rod, so as to drive the vertical rod to lift and lower, thereby changing the height of the display screen clamping mechanism and facilitating the rotation of display screens of different sizes.

[0008] Preferably, a second motor is fixedly installed on one side of the outer surface of the vertical rod, and the output shaft of the second motor is fixedly connected with one end of the rotating shaft, so as to drive the display screen to rotate.

[0009] Preferably, the outer surface of the bottom plate is fixedly provided with a third motor, and the output shaft of the third motor is fixedly connected with a two-way screw rod which is threadedly connected with the two supporting pipes, so as to drive the two lifting and overturning mechanisms to move relative to each other.

[0010] Preferably, the display screen clamping mechanism comprises a first fixed plate and a second fixed plate which are symmetrically and fixedly connected on one side of the U-shaped frame, a cylinder is fixedly arranged at the top of the second fixed plate, a first pressure sensor is fixedly connected to the bottom end of the cylinder, a pressing plate is fixedly connected to the bottom end of the first pressure sensor, supports are fixedly arranged on the upper surface of the first fixed plate and the lower surface of the pressing plate, and a plurality of rubber supporting rollers are rotationally connected to the inner wall of the supports, so as to clamp the display screen and reduce the friction on the surface of the display screen when the display screen is positioned.

[0011] Preferably, the limiting mechanism comprises a double-shaft motor which is fixedly connected to the inside of the U-shaped frame, second one-way screw rods are fixedly connected to the two output shafts of the double-shaft motor, L-shaped plates are slidably connected to the inner wall of the U-shaped frame and are threadedly connected to the outer surfaces of the second one-way screw rods, a second pressure sensor is fixedly connected to the outer surface of the L-shaped plate, and a limiting plate is fixedly connected to one side of the second pressure sensor, so as to automatically limit the two ends of the display screen and improve the fixing effect of the display screen.

[0012] The utility model provides a kind of overturning clamp for display screen production.It has the following beneficial effects:

[0013] 1, the overturning clamp for display screen production, by setting the lifting overturning mechanism, when overturning, first motor can drive vertical rod to lift, so that display screen has enough space to rotate, to solve the problem that existing clamp height is fixed and is not convenient to rotate large volume display screen.

[0014] 2, the overturning clamp for display screen production, by setting the display screen clamping mechanism and limiting mechanism, not only can automatically limit the other two sides of display screen, without manual operation, to reduce work burden and improve work efficiency, and due to the existence of rubber supporting roller, display screen can be moved, and the abrasion on the surface of display screen can be reduced, to solve the problem that existing device needs to be adjusted manually to limit display screen, reduces work efficiency and increases work burden. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the overall structure schematic diagram of the utility model;

[0016] Figure 2 It is the partial structure schematic diagram of the utility model;

[0017] Figure 3 It is the structural schematic view of the display screen clamping mechanism and the limiting mechanism of the utility model.

[0018] In the figure, 1, bottom plate; 2, lifting and overturning mechanism; 21, support pipe; 22, vertical rod; 23, rotating shaft; 24, U-shaped frame; 25, first motor; 26, first one-way screw rod; 27, second motor; 3, display screen clamping mechanism; 31, first fixed plate; 32, second fixed plate; 33, air cylinder; 34, first pressure sensor; 35, pressing plate; 36, bracket; 37, rubber supporting roller; 4, limiting mechanism; 41, double-shaft motor; 42, second one-way screw rod; 43, L-shaped plate; 44, limiting plate; 5, third motor; 6, bidirectional screw rod. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0020] Embodiment 1

[0021] As shown in Figure 1 and Figure 2 A kind of overturning clamp for display screen production, including bottom plate 1, two lifting and overturning mechanisms 2 are symmetrically slidably connected in the inside of bottom plate 1, lifting and overturning mechanism 2 includes support pipe 21 slidably connected in the inside of bottom plate 1, vertical rod 22 is slidably connected in the inside of support pipe 21, rotating shaft 23 is connected at the top of vertical rod 22 in penetration, and U-shaped frame 24 is fixedly connected to one end of rotating shaft 23. First motor 25 is fixedly installed in the inner bottom of support pipe 21, and the output shaft of first motor 25 is fixedly connected with the first one-way screw rod 26 that is internally screwed with vertical rod 22. Second motor 27 is fixedly installed on the outer surface side of vertical rod 22, and the output shaft of second motor 27 is fixedly connected with one end of rotating shaft 23.

[0022] Third motor 5 is fixedly installed on the outer surface side of bottom plate 1, and the output shaft of third motor 5 is fixedly connected with bidirectional screw rod 6 that is screwed with two support pipes 21.

[0023] In use, the third motor 5 rotates to drive the bidirectional screw rod 6 to rotate, and through the thread, the two lifting and overturning mechanisms 2 on the two sides can be driven to move relatively, so as to facilitate clamping display screens of different lengths. The second motor 27 rotates to drive the U-shaped frame 24 to rotate, and can drive the display screen to overturn. When overturning, the first motor 25 rotates to drive the first unidirectional screw rod 26 to rotate, and through the thread, the vertical rod 22 can be driven to lift and lower, so that the display screen has enough space to rotate, thereby solving the problem that the existing clamp is fixed in height and is not convenient to rotate a display screen of large volume.

[0024] Embodiment 2:

[0025] As shown in Figure 1 and Figure 3 , the outer surface of the lifting and overturning mechanism 2 is fixedly installed with the display screen clamping mechanism 3. The display screen clamping mechanism 3 comprises a first fixed plate 31 and a second fixed plate 32 which are fixedly connected symmetrically on the side of the U-shaped frame 24. The top of the second fixed plate 32 is fixedly installed with a cylinder 33. The bottom end of the cylinder 33 is fixedly connected with a first pressure sensor 34. The bottom end of the first pressure sensor 34 is fixedly connected with a pressing plate 35. The upper surface of the first fixed plate 31 and the lower surface of the pressing plate 35 are both fixedly installed with a bracket 36. The inner wall of the bracket 36 is rotatably connected with a plurality of rubber supporting rollers 37 in sequence.

[0026] The cylinder 33 operates to drive the pressing plate 35 to move downward. Under the cooperation of the rubber supporting rollers 37 on the upper and lower sides, the display screen can be clamped upward and downward. Due to the existence of the rubber supporting rollers 37, the display screen can be moved, and the abrasion to the surface of the display screen can be reduced.

[0027] Embodiment 3:

[0028] As shown in Figure 1 and Figure 3 , the inside of the lifting and overturning mechanism 2 is installed with a limiting mechanism 4 cooperating with the display screen clamping mechanism 3. The limiting mechanism 4 comprises a double-shaft motor 41 fixedly connected inside the U-shaped frame 24. The two output shafts of the double-shaft motor 41 are both fixedly connected with a second unidirectional screw rod 42. The outer surface of the second unidirectional screw rod 42 is threadedly connected with an L-shaped plate 43 slidingly connected with the inner wall of the U-shaped frame 24. The outer surface of the L-shaped plate 43 is fixedly connected with a second pressure sensor. One side of the second pressure sensor is fixedly connected with a limiting plate 44.

[0029] The double-shaft motor 41 rotates to drive the two second unidirectional screw rods 42 to rotate, and through the thread, the two sides of the L-shaped plate 43 and the limiting plate 44 can be driven to move relatively, so as to automatically limit the other two sides of the display screen without manual operation, thereby reducing the work burden and improving the work efficiency.

[0030] Working principle: in use, the third motor 5 rotates to drive the bidirectional screw rod 6 to rotate, and through the thread, the two lifting and overturning mechanisms 2 on the two sides can be driven to move relatively, the cylinder 33 operates to drive the pressing plate 35 to move downward, under the cooperation of the rubber supporting rollers 37 on the upper and lower sides, the display screen can be clamped up and down, the double-shaft motor 41 rotates to drive the two second unidirectional screw rods 42 to rotate, through the thread, the L-shaped plates 43 and the limiting plates 44 on the two sides can be driven to move relatively, and the other two sides of the display screen can be automatically limited without manual operation, thereby reducing the work burden and improving the work efficiency, and due to the existence of the rubber supporting rollers 37, the display screen can be moved, and the abrasion to the surface of the display screen can be reduced.

[0031] The second motor 27 rotates to drive the U-shaped frame 24 to rotate, and the display screen is overturned, in the overturning process, the first motor 25 rotates to drive the first unidirectional screw rod 26 to rotate, through the thread, the vertical rod 22 is lifted and lowered, so that the display screen has enough space to rotate, thereby solving the problem that the existing clamp is fixed in height and is not convenient to rotate the display screen with large volume.

[0032] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above, and for those skilled in the art, obviously, the utility model is not limited to the details of the above-mentioned exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic features of the utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0033] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description manner of the specification is only for the sake of clarity, those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be properly combined to form other embodiments that those skilled in the art can understand.

Claims

1. A flipping fixture for display screen production, comprising a base plate (1), characterized in that: The base plate (1) has two lifting and flipping mechanisms (2) symmetrically slidably connected inside. The outer surface of the lifting and flipping mechanism (2) is fixedly installed with a display screen clamping mechanism (3). The lifting and flipping mechanism (2) has a limiting mechanism (4) that cooperates with the display screen clamping mechanism (3) inside. The lifting and flipping mechanism (2) includes a support tube (21) slidably connected inside the base plate (1), a vertical rod (22) slidably connected inside the support tube (21), a rotating shaft (23) rotatably connected through the top of the vertical rod (22), and a U-shaped frame (24) fixedly connected to one end of the rotating shaft (23).

2. The flipping fixture for display screen production according to claim 1, characterized in that: The first motor (25) is fixedly installed at the inner bottom of the support tube (21), and the output shaft of the first motor (25) is fixedly connected to the first one-way lead screw (26) which is threadedly connected to the inside of the vertical rod (22).

3. The flipping fixture for display screen production according to claim 1, characterized in that: A second motor (27) is fixedly installed on one side of the outer surface of the vertical rod (22), and the output shaft of the second motor (27) is fixedly connected to one end of the rotating shaft (23).

4. The flipping fixture for display screen production according to claim 1, characterized in that: A third motor (5) is fixedly installed on one side of the outer surface of the base plate (1), and the output shaft of the third motor (5) is fixedly connected to a bidirectional lead screw (6) that is threadedly connected to two support tubes (21).

5. The flipping fixture for display screen production according to claim 1, characterized in that: The display screen clamping mechanism (3) includes a first fixing plate (31) and a second fixing plate (32) symmetrically fixedly connected to one side of the U-shaped frame (24). A cylinder (33) is fixedly installed through the top of the second fixing plate (32). A first pressure sensor (34) is fixedly connected to the bottom of the cylinder (33). A pressure plate (35) is fixedly connected to the bottom of the first pressure sensor (34). A bracket (36) is fixedly installed on the upper surface of the first fixing plate (31) and the lower surface of the pressure plate (35). A plurality of rubber support rollers (37) are rotatably connected to the inner wall of the bracket (36).

6. The flipping fixture for display screen production according to claim 1, characterized in that: The limiting mechanism (4) includes a dual-axis motor (41) fixedly connected inside the U-shaped frame (24). The output shafts at both ends of the dual-axis motor (41) are fixedly connected to a second one-way lead screw (42). The outer surface of the second one-way lead screw (42) is threadedly connected to an L-shaped plate (43) that is slidably connected to the inner wall of the U-shaped frame (24). The outer surface of the L-shaped plate (43) is fixedly connected to a second pressure sensor. A limiting plate (44) is fixedly connected to one side of the second pressure sensor.

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