Fixing mechanism for LED display screen cutting

Abstract

The utility model discloses a fixing mechanism for cutting an LED (light-emitting diode) display screen, which belongs to the technical field of display screen processing equipment and comprises a cutting table and a right-angle stop block fixed on the cutting table, and further comprises a guide rod fixed at the top of the right-angle stop block, the guide rod is sleeved with the right-angle pressing block in a sliding mode, the guide rod is sleeved with the compressed spring in a sliding mode, and the compressed spring is located between the top end of the guide rod and the top of the right-angle pressing block. According to the utility model, the flat-bottom cutting table is matched with the glass cutting knife for use, so that the cutting knife is effectively prevented from scratching the cutting table when cutting a glass substrate, and the two limiting and fixing parts, the right-angle baffle block, the right-angle pressing block and other structures are matched for use, so that the glass substrate is limited, clamped and fixed from the corners of the glass substrate; deformation easily caused by suspension of the bottom of the glass substrate is avoided, and the size cutting precision of the glass substrate is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of display screen processing equipment, in particular to a fixing mechanism for cutting an LED display screen. Background Art

[0002] LED display screen is a device composed of multiple LED modules and display screen substrates, used to display various information such as text, images, and videos. The manufacturing material of the display screen substrate in the LED display screen is mostly glass material. It needs to go through a cutting process during the production process to cut a large area of glass substrate into several smaller and equal-sized glass substrates. When cutting the LED display screen substrate, a fixing mechanism is used to fix the glass substrate, and then a cutting machine is used to cut it. The existing LED display screen cutting fixing mechanism is a supporting clamping fixation, that is, by inserting the display screen substrate horizontally into a U-shaped limit slot set on the cutting table, and then by lifting multiple lower support plates at the same time, so that it is pushed from the bottom to the top of the display screen substrate, and then by the lower support bolts relatively set on the moving bearing of the cutting machine, it is pushed from the top to the top of the display screen substrate, so as to achieve the fixing effect of the display screen substrate, and align the cutting path with the gap between the two adjacent lower support plates, so as to avoid the cutting machine accidentally damaging the fixing mechanism, but when the lower support plate is lifted to support the display screen substrate, it is easy to make the display screen substrate be pushed into a micro-arc shape, which affects the accuracy of size cutting.

[0003] The existing patent application number: 202122442120.5 discloses a positioning and cutting device for processing LED display screens. The device opens a card slot on two opposite inner walls in a U-shaped seat, then inserts the display screen substrate horizontally into the card slot, and then lifts up the top support mechanism to support the bottom of the display screen substrate, and then uses the downward pressure bolt on the slide seat to support the top of the display screen substrate to complete the fixing operation of the display screen substrate. In the above-mentioned prior art, the device still has the above-mentioned technical problems when clamping and fixing the display screen substrate. Utility Model Content

[0004] The utility model aims to provide a fixing mechanism for cutting an LED display screen, so as to solve the problem in the background art that the display screen substrate is pushed into a slight arc shape, thus affecting the precision of size cutting.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] The utility model provides a fixing mechanism for cutting an LED display screen, comprising a cutting table and a right-angle stopper fixed on the cutting table, and the fixing mechanism for cutting an LED display screen also comprises:

[0007] A guide rod fixed to the top of the right-angle stopper.

[0008] A right-angle pressing block slidably sleeved on the guide rod.

[0009] A compression spring slidably sleeved on the guide rod, and the compression spring is located between the top end of the guide rod and the top of the right-angle pressing block.

[0010] Two limit fixing parts respectively slidably connected with two guide grooves arranged on the top of the cutting table.

[0011] The limit fixing part includes:

[0012] A sliding seat slidably arranged in the guide groove.

[0013] A transverse stop block fixed on the end face of the sliding seat.

[0014] A constraint rod fixed on the top of the sliding seat.

[0015] A straight pressing block slidably sleeved on the constraint rod.

[0016] A spring slidably sleeved on the constraint rod, and the spring is located between the top of the straight pressing block and the top end of the constraint rod.

[0017] A positioning screw rod threadedly connected with a threaded hole arranged on the sliding seat, the positioning screw rod is used to fix the sliding seat at any position in the guide groove, and the positioning screw rod is slidably connected with a groove arranged on the straight pressing block.

[0018] Further, the shape of the right-angle stop block is L-shaped, and the two end faces of the right-angle stop block are respectively flush with the end faces of the two guide grooves.

[0019] Further, the right-angle pressing block is located inside the right-angle stop block, and the right-angle pressing block matches the right-angle stop block.

[0020] Further, the sliding seat is located between the edge of the cutting table and the straight pressing block, and the sliding seat is perpendicular to the transverse stop block in the horizontal direction.

[0021] Further, the bottom of the transverse stop block is attached to the top of the cutting table, and the two transverse stop blocks are perpendicular to each other in the horizontal direction.

[0022] Further, the fixing mechanism for cutting the LED display screen further includes two limit bolts threadedly installed on the cutting table, the limit bolts are located at the open ends of the guide grooves far from the right-angle stop block, and the limit bolts are used to prevent the sliding seat from sliding out of the guide groove.

[0023] Further, the fixing mechanism for cutting the LED display screen further includes a limit rod fixed on the top of the right-angle stop block, and the limit rod is slidably connected with a limit groove arranged on the right-angle pressing block.

[0024] Compared with the prior art, the above one or more technical solutions have the following beneficial effects:

[0025] 1. The cutting table with a flat bottom design of the present utility model is used in cooperation with a glass cutting knife, effectively avoiding scratching the cutting table when the cutting knife cuts the glass substrate. In cooperation with the use of two limiting and fixing parts, a right-angle stop block and a right-angle pressing block and other structures, the glass substrate is limited, clamped and fixed from the corners, avoiding the bottom of the glass substrate from being suspended and prone to deformation, and improving the size cutting accuracy of the glass substrate;

[0026] 2. Through the cooperation of mechanisms such as the limiting and fixing parts, the right-angle stop block and the right-angle pressing block, the present utility model can quickly limit the three right-angle corners of the glass substrate in the horizontal direction and clamp and fix the three right-angle corners of the glass substrate in the vertical direction, improving the efficiency of the fixing operation of the glass substrate and avoiding the influence of the stress generated by cutting on its fixing effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 is an axonometric view of the present utility model;

[0028] Figure 2 is Figure 1 an enlarged view of part A in

[0029] Figure 3 is an axonometric view of the limiting and fixing part in the present utility model.

[0030] In the figure: 1. Cutting table; 2. Guide groove; 3. Limiting and fixing part; 31. Slide seat; 32. Cross bar fastener; 33. Constraint rod; 34. Straight pressing block; 35. Spring; 36. Positioning screw; 37. Groove; 38. Screw hole; 4. Limiting bolt; 5. Right-angle stop block; 6. Guide rod; 7. Compression spring; 8. Right-angle pressing block; 9. Limiting rod; 10. Limiting groove. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0031] In order to enable those skilled in the art of the present technology to better understand the solution of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application.

[0032] As Figures 1 to 3 shown, a fixing mechanism for cutting an LED display screen includes a cutting table 1 and a right-angle stop block 5 fixed on the cutting table 1. A cutting frame is provided on the cutting table 1, and a movable cutting knife is provided on the cutting frame. The glass substrate is cut by the cutting knife, which can not only make the bottom of the glass substrate completely fit with the top of the cutting table 1, avoid deformation during subsequent clamping and fixing, and improve the size cutting accuracy of the glass substrate, but also avoid the cutting knife from contacting the top of the cutting table 1 during cutting and scratching the cutting table 1. The fixing mechanism for cutting an LED display screen further includes:

[0033] The guide rod 6 fixed to the top of the right-angled stop block 5.

[0034] The right-angled pressing block 8 slidably sleeved on the guide rod 6.

[0035] The compression spring 7 slidably sleeved on the guide rod 6, and the compression spring 7 is located between the top end of the guide rod 6 and the top of the right-angled pressing block 8.

[0036] The two limit fixing parts 3 respectively slidably connected with the two guide grooves 2 provided on the top of the cutting table 1.

[0037] The limit fixing part 3 includes:

[0038] The slide block 31 slidably arranged in the guide groove 2.

[0039] The cross stop block 32 fixed to the end face of the slide block 31.

[0040] The constraint rod 33 fixed to the top of the slide block 31.

[0041] The straight pressing block 34 slidably sleeved on the constraint rod 33.

[0042] The spring 35 slidably sleeved on the constraint rod 33, and the spring 35 is located between the top of the straight pressing block 34 and the top end of the constraint rod 33.

[0043] The positioning screw rod 36 threadedly connected with the screw hole 38 provided on the slide block 31, the positioning screw rod 36 is used to fix the slide block 31 at any position in the guide groove 2, and the positioning screw rod 36 is slidably connected with the groove 37 provided on the straight pressing block 34.

[0044] In this embodiment, the shape of the right-angled stop block 5 is L-shaped, and the two end faces of the right-angled stop block 5 are respectively flush with the end faces of the two guide grooves 2. The right-angled stop block 5 is L-shaped at a right angle, that is, its two length boundaries are perpendicular to each other. Cooperating with the two guide grooves 2 being collinear with its two length boundaries respectively, that is, the two guide grooves 2 are perpendicular to each other in the horizontal plane, so as to facilitate the accurate positioning and clamping fixation of the glass substrate and improve its subsequent cutting accuracy.

[0045] In this embodiment, the right-angled pressing block 8 is located inside the right-angled stop block 5, and the right-angled pressing block 8 matches the right-angled stop block 5, so as to facilitate the pressing and fixing of the right angle of the glass substrate close to the right-angled stop block 5, facilitate the quick completion of the preliminary clamping and fixing operation of the glass substrate, and realize the positioning operation of the glass substrate.

[0046] In this embodiment, the slide block 31 is located between the edge of the cutting table 1 and the straight pressing block 34, and the slide block 31 is perpendicular to the cross stop block 32 in the horizontal direction. The bottom of the cross stop block 32 is attached to the top of the cutting table 1, and the two cross stop blocks 32 are perpendicular to each other in the horizontal direction.

[0047] The two slides 31 are then slid toward the direction close to the right-angle stopper 5 until the two cross blocks 32 are respectively attached to the two adjacent boundaries of the glass substrate. In this process, the straight pressing block 34 is pulled upward to a certain height to avoid blocking the right angle of the glass substrate from being attached to the inner side wall of the right-angle stopper 5. After the two are attached, the hand pulling up the right-angle pressing block 8 is released so that the right-angle pressing block 8 is pressed against the top of the glass substrate under the elastic force of the compression spring 7, thereby realizing the preliminary limiting and fixing operation of the glass substrate. Then, the two slides 31 are slid toward the direction close to the right-angle stopper 5 until the two cross blocks 32 are respectively attached to the two adjacent boundaries of the glass substrate. In this process, the straight pressing block 34 The glass substrate is kept in a pulled-up state so that the boundary of the glass substrate is disposed between the bottom of the straight pressing block 34 and the top of the cutting table 1. After the horizontal stopper 32 is attached to the boundary of the glass substrate, the hand pulling up the straight pressing block 34 is released. Under the elastic force of the spring 35, the straight pressing block 34 clamps and fixes the glass substrate. Then, the positioning screw 36 is screwed to make its bottom end contact the bottom of the inner wall of the guide groove 2, and the slide seat 31 is limited and fixed in the guide groove 2 to prevent it from lateral displacement affecting the clamping and fixing effect of the glass substrate. The two sets of slide seats 31, the horizontal stopper 32 and the right-angle stopper 5 are used in coordination to achieve the horizontal direction. The three right angles and four boundaries of the glass substrate are limited and fixed, and the freedom of the glass substrate in the horizontal direction is restricted. The straight pressing block 34 and the right-angle pressing block 8 are used to clamp and fix the glass substrate to restrict its freedom in the vertical direction, and the position displacement of the glass substrate during cutting is avoided to affect the accuracy of the cutting size.

[0048] In this embodiment, the fixing mechanism for cutting the LED display screen also includes two limit bolts 4 threadedly mounted on the cutting table 1. The limit bolts 4 are located at the opening in the guide groove 2 away from the right-angle block 5. The limit bolts 4 are used to prevent the slide 31 from sliding out of the guide groove 2.

[0049] In this embodiment, the fixing mechanism for cutting the LED display screen also includes a limit rod 9 fixed to the top of the right-angle stopper 5, and the limit rod 9 is slidably connected to the limit groove 10 provided on the right-angle pressure block 8. Such a design can cooperate with the guide rod 6 to constrain the degree of freedom of the right-angle pressure block 8, so that it can slide up and down along the axial direction of the guide rod 6, thereby avoiding position deviation when clamping the glass substrate and affecting its clamping and fixing effect on the glass substrate.

[0050] The above are only the preferred embodiments of the present utility model. Those parts not described in the present utility model can be realized by adopting or referring to the existing technologies. Of course, the above description is not a limitation to the present utility model, and the present utility model is not limited to the above examples. Changes, modifications, additions or substitutions made by those skilled in the art within the substantial scope of the present utility model should also fall within the protection scope of the present utility model.

Claims

1. A fixing mechanism for cutting an LED display screen, comprising a cutting table (1) and a right-angle stopper (5) fixed on the cutting table (1), characterized in that, The fixing mechanism for cutting the LED display screen further includes: A guide rod (6) fixed to the top of the right-angle stop block (5); A right-angle pressing block (8) slidably sleeved on the guide rod (6); A compression spring (7) slidably sleeved on the guide rod (6), and the compression spring (7) is located between the top end of the guide rod (6) and the top of the right-angle pressing block (8); Two limit fixing parts (3) respectively slidably connected to two guide grooves (2) provided on the top of the cutting table (1); The limit fixing part (3) includes: A sliding seat (31) slidably arranged in the guide groove (2); A horizontal stop block (32) fixed to the end face of the sliding seat (31); A constraint rod (33) fixed to the top of the sliding seat (31); A straight pressing block (34) slidably sleeved on the constraint rod (33); A spring (35) slidably sleeved on the constraint rod (33), and the spring (35) is located between the top of the straight pressing block (34) and the top end of the constraint rod (33); A positioning screw rod (36) threadedly connected to a screw hole (38) provided on the sliding seat (31), and the positioning screw rod (36) is used to fix the sliding seat (31) at any position in the guide groove (2), and the positioning screw rod (36) is slidably connected to a groove (37) provided on the straight pressing block (34).

2. The fixing mechanism for cutting an LED display screen according to claim 1, characterized in that: The right-angle stop block (5) is in an L shape, and the two end faces of the right-angle stop block (5) are flush with the end faces of the two guide grooves (2) respectively.

3. The fixing mechanism for cutting an LED display screen according to claim 2, wherein: The right-angle pressing block (8) is located inside the right-angle stop block (5), and the right-angle pressing block (8) matches the right-angle stop block (5).

4. The fixing mechanism for cutting an LED display screen according to claim 3, characterized in that: The sliding seat (31) is located between the edge of the cutting table (1) and the straight pressing block (34), and the sliding seat (31) is perpendicular to the horizontal stop block (32) in the horizontal direction.

5. The fixing mechanism for cutting an LED display screen according to claim 4, wherein: The bottom of the horizontal stop block (32) is attached to the top of the cutting table (1), and the two horizontal stop blocks (32) are perpendicular to each other in the horizontal direction.

6. The fixing mechanism for cutting an LED display screen according to claim 5, characterized in that: The fixing mechanism for cutting the LED display screen further includes two limit bolts (4) threadedly installed on the cutting table (1), and the limit bolts (4) are located at the open ends of the guide grooves (2) far from the right-angle stop block (5), and the limit bolts (4) are used to prevent the sliding seat (31) from sliding out of the guide groove (2).

7. The fixing mechanism for cutting an LED display screen according to claim 1, wherein: The fixing mechanism for cutting the LED display screen further includes a limit rod (9) fixed to the top of the right-angle stop block (5), and the limit rod (9) is slidably connected to a limit groove (10) provided on the right-angle pressing block (8).

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