Vehicle-mounted display screen backlight module pressing equipment

Abstract

The utility model discloses a vehicle-mounted display screen backlight module press-fit device, which relates to the technical field of backlight module processing and comprises a workbench, centering components arranged on the front side and the rear side of a frame, rollers symmetrically arranged on the front side and the rear side of the frame, and a press-fit component arranged right above the workbench. A second rotating handle is rotated to drive a threaded rod to rotate so that U-shaped plates can be driven to get close to each other or get away from each other, a centering assembly is matched with a clamping plate so that a frame on the top face of the workbench can move to the position under the central axis of the lifting box in the vertical direction, and the situation that a light guide plate inclines due to uneven stress is avoided; through the arrangement of the pressing assembly, the pressing plate is pressed to drive the lifting box to move downwards and abut against the light guide plate, so that the light guide plate can be embedded into the frame; when the lifting box abuts against the light guide plate, the bottom face of the lifting box completely fits the top face of the light guide plate.

Description

TECHNICAL FIELD

[0001] The utility model relates to backlight module processing technical field, especially a kind of vehicle-mounted display screen backlight module compression equipment. BACKGROUND

[0002] Backlight module is one of the key components of liquid crystal display panel, function is in supply sufficient brightness and distributed uniform light source, so that it can normally display image, vehicle-mounted display screen backlight module main part includes light source, light guide plate, reflector and optical film piece, when backlight module is assembled, light guide plate is embedded into frame, to avoid light guide plate to appear inclination due to uneven stress, usually using compression equipment to press light guide plate into frame.

[0003] As the utility model discloses a kind of vehicle-mounted display screen backlight module processing compression equipment, it is close to each other by setting adjusting structure and L type clamping plate, rotating handle drives double-end screw rod rotation can drive L type clamping plate simultaneously, so it can be clamped and positioned to different sizes of iron frame, by setting compression structure, press block drives abutting spring piece to resist light guide plate again continue to press block, light guide plate can be embedded into iron frame inside, abutting spring piece has the advantage that light guide plate is extruded simultaneously without causing light guide plate damage.

[0004] This prior art still has the following problems when using:

[0005] When the device places iron frame, the vertical central axis of iron frame is difficult to align to the vertical central axis of flat plate, when iron frame deviates from the bottom surface of flat plate, abutting spring piece is close to the front half or rear half of light guide plate when abutting light guide plate, so that light guide plate appears inclination during embedding into iron frame. UTILITY MODEL CONTENT

[0006] In order to overcome the deficiencies of the prior art, the utility model provides a kind of vehicle-mounted display screen backlight module compression equipment to solve the technical problems mentioned in the above background.

[0007] To solve the above technical problems, the utility model provides the following technical scheme: a kind of vehicle-mounted display screen backlight module compression equipment, including workbench;

[0008] Centering assembly, centering assembly is set to the front and rear sides of frame, centering assembly can conveniently make the vertical central axis of frame align to the central top surface of workbench;

[0009] Roller, the roller is symmetrically set to the front and rear sides of frame, roller can conveniently make frame continue to move on the top surface of workbench after the centering operation of centering assembly is completed;

[0010] The pressing assembly is arranged directly above the workbench, and the pressing assembly facilitates embedding the light guide plate into the frame.

[0011] As a preferred technical scheme of the utility model, the workbench top surface is slidably connected with symmetrical clamping plates, the clamping plate bottom surface is fixedly provided with a first sliding block, the workbench top surface is provided with a first sliding groove matched with the first sliding block, the first sliding block is slidably connected with the workbench through the first sliding groove, the workbench outer side surface is rotatably connected with a first rotating handle, one side of the first rotating handle is fixedly provided with a bidirectional screw rod, one end of the bidirectional screw rod away from the first rotating handle penetrates the workbench to the inside of the first sliding groove and is rotatably connected with the workbench through a bearing, the bidirectional screw rod penetrates the first sliding block and is threadedly connected with the first sliding block, the workbench bottom surface four corners are fixedly provided with supporting columns, the workbench top surface four corners are fixedly provided with fixing rods, and the fixing rod top surface is fixedly provided with a fixed plate.

[0012] As a preferred technical scheme of the utility model, the centering assembly comprises a second rotating handle, a threaded rod, a lifting block, a connecting plate, a U-shaped plate and a second sliding block, the workbench bottom is rotatably connected with the threaded rod through a bearing, the threaded rod bottom surface is fixedly provided with the second rotating handle, the threaded rod outer side is provided with the lifting block in penetration, the lifting block front and back sides are hingedly connected with symmetrical connecting plates, the other end of the connecting plate is hingedly connected with the U-shaped plate, and the U-shaped plate inner side is fixedly provided with the second sliding block.

[0013] As a preferred technical scheme of the utility model, the threaded rod is threadedly connected with the lifting block, the workbench upper and lower sides are slidably connected with the U-shaped plate respectively, the workbench top surface is provided with a second sliding groove matched with the second sliding block, the second sliding block is slidably connected with the workbench through the second sliding groove, one side of the U-shaped plate away from each other is fixedly provided with a mounting box, one side of the mounting box away from each other is provided with a horizontal groove, a plurality of fixed shafts are fixedly arranged between the horizontal groove inside upper and lower sides, the fixed shaft penetrates the roller and is rotatably connected with the roller, and the roller upper and lower sides are rotatably connected with the horizontal groove inner wall respectively.

[0014] As a preferred technical scheme of the utility model, the pressing assembly comprises a pressing plate, a pressing rod, a first spring, a lifting box, a second spring and a sliding plate, the fixed plate top is provided with the pressing plate, the pressing plate bottom surface is fixedly provided with the pressing rod and the first spring, the pressing rod bottom surface is fixedly provided with the sliding plate, the sliding plate bottom surface is fixedly provided with a plurality of second springs, and one end of the second spring away from the sliding plate is fixedly provided with the lifting box.

[0015] As a preferred technical scheme of the utility model, the pressing rod penetrates the fixed plate and is in sliding connection with the fixed plate, one end of the first spring away from the pressing plate is fixedly connected with the fixed plate, the pressing rod extends into the lifting box and is in sliding connection with the lifting box, the top surface of the lifting box is provided with a first through hole penetrating into the inside of the lifting box, the front and rear sides and the left and right sides of the sliding plate are respectively in sliding connection with the inner wall of the lifting box, and the top surface of the sliding plate is provided with a second through hole penetrating through.

[0016] Compared with the prior art, the utility model can achieve the beneficial effects that:

[0017] The utility model discloses a centering assembly is set up, and the threaded rod is rotated to drive the U-shaped plate to be close to each other or be far from each other, and the centering assembly cooperates with the clamping plate to make the frame on the top surface of the workbench move to the center axis of the lifting box below, thereby avoiding the inclination of the light guide plate due to uneven stress, the roller is set up, and the roller can be conveniently close to each other after the centering assembly is operated to the frame, so that the clamping plate can clamp and limit the frame, the pressing assembly is set up, the pressing plate is pressed to drive the lifting box to move downward and abut against the light guide plate, so that the light guide plate can be embedded into the frame, and the bottom surface of the lifting box is completely attached to the top surface of the light guide plate when the lifting box abuts against the light guide plate. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is main structure schematic diagram of the utility model;

[0019] Figure 2 It is overhead view sectional structure schematic diagram of the utility model;

[0020] Figure 3 It is right view structure schematic diagram of the utility model;

[0021] Figure 4 It is U-shaped plate and roller sectional structure schematic diagram of the utility model;

[0022] Figure 5 It is inside sectional structure schematic diagram of the utility model lifting box;

[0023] 1, workbench;2, clamping plate;3, first sliding block;4, first handle;5, two-way screw;6, second handle;7, threaded rod;8, lifting block;9, connecting plate;10, U-shaped plate;11, second sliding block;12, mounting box;13, roller;14, pressing plate;15, pressing rod;16, first spring;17, fixed rod;18, fixed plate;19, lifting box;20, second spring;21, sliding plate;22, fixed shaft. DETAILED DESCRIPTION

[0024] In order to make the technical means, creation characteristics, achieve the purpose and effect of the utility model easy to understand, the following will be further described in conjunction with specific embodiments, but the following embodiments are only preferred embodiments of the utility model, not all. Based on the embodiments in the embodiment, other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0025] Embodiment

[0026] Please refer to Figures 1-3 The utility model provides a kind of compression equipment of vehicle-mounted display screen back light module, including workbench 1, workbench 1 bottom four corners are fixedly provided with support column, workbench 1 top four corners are fixedly provided with fixed rod 17, fixed rod 17 top is fixedly provided with fixed plate 18, to be embedded the frame and light guide plate of fitting are placed in workbench 1 top, workbench 1 top is slidably connected with symmetrical clamping plate 2, clamping plate 2 bottom is fixedly provided with first sliding block 3, workbench 1 top is provided with the first sliding slot of adaptation first sliding block 3, first sliding block 3 is slidably connected with workbench 1 by first sliding slot, bidirectional screw rod 5 is arranged in first sliding block 3 inside, bidirectional screw rod 5 is arranged in the inside of first sliding slot, first sliding block 3 is screw connected with bidirectional screw rod 5, one end of bidirectional screw rod 5 is rotatably connected with workbench 1 by bearing, the other end of bidirectional screw rod 5 is fixedly provided with first handle 4 and is penetrated through workbench 1, first handle 4 is rotatably connected with the outside of workbench 1, rotate first handle 4 and drive bidirectional screw rod 5 to rotate, bidirectional screw rod 5 rotates and drives first sliding block 3 to be close to each other simultaneously, to drive clamping plate 2 to be close to each other, one clamping plate 2 is tightly closed frame and can drive frame to move on workbench 1 top, until two clamping plates 2 are tightly closed frame, frame left and right sides are clamped and positioned.

[0027] As Figures 1-4As shown, the frame is provided with a centering assembly on both sides, the centering assembly is composed of a second handle 6, a threaded rod 7, a lifting block 8, a connecting plate 9, a U-shaped plate 10 and a second sliding block 11, the bottom of the workbench 1 is rotatably connected with the threaded rod 7 through the bearing, the bottom surface of the threaded rod 7 is fixedly provided with the second handle 6, the outer side of the threaded rod 7 is provided with the lifting block 8, the threaded rod 7 is threadedly connected with the lifting block 8, the lifting block 8 is hingedly connected with the symmetrical connecting plate 9 on both sides, the other end of the connecting plate 9 is hingedly connected with the U-shaped plate 10, the upper and lower sides of the workbench 1 are respectively slidably connected with the U-shaped plate 10, the inner side of the U-shaped plate 10 is fixedly provided with the second sliding block 11, the top surface of the workbench 1 is provided with a second sliding groove matched with the second sliding block 11, the second sliding block 11 is slidably connected with the workbench 1 through the second sliding groove, rotating the second handle 6 drives the threaded rod 7 to rotate, the threaded rod 7 rotates to drive the lifting block 8 to move downward, the lifting block 8 moves to drive the connecting plate 9 to rotate at the same time, the connecting plate 9 rotates to drive the U-shaped plate 10 to approach each other, one of the U-shaped plates 10 extrudes the frame to drive the frame to move on the top surface of the workbench 1 until the two U-shaped plates 10 extrude the frame at the same time, the front and rear sides of the frame are limited, the centering assembly cooperates with the clamping plate 2 to move the frame on the top surface of the workbench 1 to the center of the top surface of the workbench 1, avoiding the inclination of the light guide plate due to uneven stress.

[0028] As Figures 1-4 shown, the U-shaped plate 10 is fixedly provided with a mounting box 12 on the side approaching each other, the mounting box 12 is provided with a horizontal groove on the side approaching each other, a plurality of fixed shafts 22 are fixedly arranged between the upper and lower sides inside the horizontal groove, a plurality of rollers 13 are rotatably connected between the upper and lower sides inside the horizontal groove, the fixed shaft 22 penetrates the roller 13 and is rotatably connected with the roller 13, the U-shaped plate 10 approaches each other through the roller 13 abutting against the front and rear sides of the frame, the roller 13 abutting against the frame at the same time, the frame can still move left and right on the top surface of the workbench 1, the frame moves left and right to drive the roller 13 to rotate, thereby facilitating the clamping plate 2 to approach each other to clamp and limit the frame after the centering assembly completes the centering operation on the frame.

[0029] As Figures 1-5The workbench 1 is provided with a pressing assembly above, the pressing assembly is composed of a pressing plate 14, a pressing rod 15, a first spring 16, a lifting box 19, a second spring 20 and a sliding plate 21, the pressing plate 14 is arranged above the fixed plate 18, the pressing plate 14 is fixedly provided with the pressing rod 15 and the first spring 16 on the bottom surface, the pressing rod 15 penetrates through the fixed plate 18 and is in sliding connection with the fixed plate 18, one end of the first spring 16 away from the pressing plate 14 is fixedly connected with the fixed plate 18, the pressing rod 15 is fixedly provided with the sliding plate 21 on the bottom surface, the sliding plate 21 is fixedly provided with a plurality of second springs 20 on the bottom surface, the lifting box 19 is fixedly arranged at one end of the second spring 20 away from the sliding plate 21, the lifting box 19 is aligned to the top surface of the workbench 1 along the vertical central axis, the pressing rod 15 extends into the inside of the lifting box 19 and is in sliding connection with the lifting box 19, the sliding plate 21 is arranged in the inside of the lifting box 19, the sliding plate 21 is in sliding connection with the inner wall of the lifting box 19 on the front and rear sides and on the left and right sides, respectively, the lifting box 19 is provided with a first through hole penetrating into the inside of the lifting box 19 on the top surface, the second through hole is arranged on the top surface of the sliding plate 21 in a penetrating manner, the lifting box 19 can play a buffering role in cooperation with the second spring 20, so as to avoid that the sliding plate 21 directly moves downward and extrudes the light guide plate to cause damage to the light guide plate, the pressing plate 14 is pressed to drive the pressing plate 14, the pressing rod 15 and the sliding plate 21 to move downward, the first spring 16 is compressed, the sliding plate 21 moves to drive the lifting box 19 and the second spring 20 to move downward, the lifting box 19 moves downward and contacts the light guide plate, the lifting box 19 closely adheres to the light guide plate when the lifting box 19 moves downward and contacts the light guide plate, the sliding plate 21 continues to move downward, the second spring 20 is compressed, the pressing plate 14 is continuously pressed when the compression amount of the second spring 20 reaches the maximum, so that the lifting box 19 tightly abuts against the light guide plate, so that the light guide plate is embedded into the frame, the bottom surface of the lifting box 19 completely adheres to the top surface of the light guide plate when the lifting box 19 tightly abuts against the light guide plate.

[0030] Specific working principle:

[0031] When the device is used, the first handle 4 is rotated to drive the bidirectional screw rod 5 to rotate, the bidirectional screw rod 5 drives the first sliding block 3 to move away from each other, thereby driving the clamping plate 2 to move away from each other, until the distance between the clamping plate 2 reaches the maximum, the second handle 6 is rotated to drive the threaded rod 7 to rotate, the threaded rod 7 drives the lifting block 8 to move upwards, the lifting block 8 drives the connecting plate 9 to rotate, the connecting plate 9 drives the U-shaped plate 10 to move away from each other, until the distance between the U-shaped plate 10 reaches the maximum, the frame and the light guide plate to be embedded are placed on the top surface of the workbench 1, the second handle 6 is reversely rotated to drive the U-shaped plate 10 to move close to each other, the U-shaped plate 10 drives the mounting box 12 to move close to each other, thereby driving the rollers 13 to move close to the front and back sides of the frame, the roller 13 on one side is abutted against the frame to drive the frame to move on the top surface of the workbench 1, until the rollers 13 on both sides are abutted against the frame to limit the front and back sides of the frame, after the rollers 13 are abutted against the frame, the frame can still move left and right on the top surface of the workbench 1, the first handle 4 is reversely rotated to drive the clamping plate 2 to move close to each other, one of the clamping plate 2 is abutted against the frame to drive the frame to move on the top surface of the workbench 1, the frame drives the roller 13 to rotate, until the two clamping plate 2 are abutted against the frame to clamp and limit the left and right sides of the frame, at this time, the frame moves to the center axis of the lifting box 19 along the vertical direction below, thereby avoiding the light guide plate from being inclined due to uneven stress.

[0032] The pressing plate 14 is pressed to drive the pressing plate 14, the pressing rod 15 and the sliding plate 21 to move downwards, the first spring 16 is compressed, the sliding plate 21 drives the lifting box 19 and the second spring 20 to move downwards, when the lifting box 19 moves downwards and contacts the light guide plate, the lifting box 19 is tightly attached to the light guide plate, the sliding plate 21 continues to move downwards, the second spring 20 is compressed, when the compression amount of the second spring 20 reaches the maximum, the pressing plate 14 is continuously pressed to make the lifting box 19 abut against the light guide plate, thereby embedding the light guide plate into the frame, when the lifting box 19 abuts against the light guide plate, the bottom surface of the lifting box 19 is completely attached to the top surface of the light guide plate, the pressing plate 14 is released to make the first spring 16 push the pressing plate 14 to move upwards, the pressing plate 14 drives the sliding plate 21 to move upwards, the top surface of the sliding plate 21 contacts the lifting box 19 to drive the lifting box 19 to move upwards, until the lifting box 19 moves back to the original position, the frame embedded with the light guide plate can be taken out.

[0033] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, the above embodiments and descriptions in the specification are only preferred examples of the present application, and are not intended to limit the present application, various changes and improvements can be made to the present application without departing from the spirit and scope of the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A vehicle-mounted display screen backlight module pressing equipment, comprising a workbench (1), characterized in that: a centering assembly is arranged on the front and rear sides of the frame, which can conveniently align the vertical center axis of the frame to the center of the top surface of the workbench (1); symmetrically arranged on the front and rear sides of the frame are rollers (13), which can facilitate the frame to continue moving on the top surface of the workbench (1) after the centering operation of the centering assembly is completed; a pressing assembly is arranged above the workbench (1), which facilitates the embedding of the light guide plate into the frame. The top surface of the workbench (1) is slidably connected with symmetric clamping plates (2), the bottom surface of the clamping plate (2) is fixedly provided with a first sliding block (3), the top surface of the workbench (1) is provided with a first sliding groove matched with the first sliding block (3), the first sliding block (3) is slidably connected with the workbench (1) through the first sliding groove, the outer side surface of the workbench (1) is rotatably connected with a first rotating handle (4), one side of the first rotating handle (4) is fixedly provided with a bidirectional screw rod (5), one end of the bidirectional screw rod (5) away from the first rotating handle (4) penetrates into the first sliding groove inside the workbench (1) and is rotatably connected with the workbench (1) through a bearing, the bidirectional screw rod (5) penetrates through the first sliding block (3) and is threadedly connected with the first sliding block (3), the bottom surface of the workbench (1) is fixedly provided with support columns at four corners, and the top surface of the workbench (1) is fixedly provided with fixed rods (17) at four corners, the top surface of the fixed rod (17) is fixedly provided with a fixed plate (18). The centering assembly comprises a second rotating handle (6), a threaded rod (7), a lifting block (8), a connecting plate (9), a U-shaped plate (10) and a second sliding block (11), the bottom of the workbench (1) is rotatably connected with the threaded rod (7) through a bearing, the bottom surface of the threaded rod (7) is fixedly provided with the second rotating handle (6), the outer side of the threaded rod (7) is penetratively provided with the lifting block (8), the front and rear sides of the lifting block (8) are hingedly connected with symmetric connecting plates (9), the other end of the connecting plate (9) is hingedly connected with the U-shaped plate (10), and the inner side of the U-shaped plate (10) is fixedly provided with the second sliding block (11). The threaded rod (7) is threadedly connected with the lifting block (8), the upper and lower sides of the workbench (1) are slidably connected with the U-shaped plate (10), the top surface of the workbench (1) is provided with a second sliding groove matched with the second sliding block (11), the second sliding block (11) is slidably connected with the workbench (1) through the second sliding groove, the side of the U-shaped plate (10) close to each other is fixedly provided with a mounting box (12), the side of the mounting box (12) close to each other is provided with a horizontal groove, a plurality of fixed shafts (22) are fixedly arranged between the upper and lower sides inside the horizontal groove, the fixed shafts (22) penetrate through the rollers (13) and are rotatably connected with the rollers (13), and the upper and lower sides of the rollers (13) are rotatably connected with the inner walls of the horizontal grooves, respectively. 2.The press bonding device for a back light module of a car display screen according to claim 1, wherein: ​ 3. The laminating device for the back light module of the display screen on vehicle according to claim 1, characterized in that: ​ 4. The press equipment for the back light module of the display screen on the vehicle according to claim 3, characterized in that: ​ 5. The laminating device for the back light module of the display screen on vehicle according to claim 2, characterized in that: The pressing assembly comprises a pressing plate (14), a pressing rod (15), a first spring (16), a lifting box (19), a second spring (20) and a sliding plate (21), the fixed plate (18) is provided with the pressing plate (14) above, the bottom surface of the pressing plate (14) is fixedly provided with the pressing rod (15) and the first spring (16), the bottom surface of the pressing rod (15) is fixedly provided with the sliding plate (21), the bottom surface of the sliding plate (21) is fixedly provided with a plurality of second springs (20), and the end, away from the sliding plate (21), of the second spring (20) is fixedly provided with the lifting box (19).

6. The laminating device for a back light module of a car display screen according to claim 5, characterized in that: The pressing rod (15) penetrates through the fixed plate (18) and is in sliding connection with the fixed plate (18), the end, away from the pressing plate (14), of the first spring (16) is fixedly connected with the fixed plate (18), the pressing rod (15) extends into the inside of the lifting box (19) and is in sliding connection with the lifting box (19), the top surface of the lifting box (19) is provided with a first through hole penetrating into the inside of the lifting box (19), and the front and rear sides and the left and right sides of the sliding plate (21) are respectively in sliding connection with the inner walls of the lifting box (19); and the top surface of the sliding plate (21) is provided with a second through hole penetrating through.

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