Backlight module reflector plate die cutting device

Abstract

The utility model relates to the technical field of reflector plate die cutting, and discloses a backlight module reflector plate die cutting device which comprises a workbench, winding rollers arranged on the two sides of the top of the workbench, a pressing device and a die cutting device and further comprises a fixing frame fixed to the top of the workbench, and the pressing device and the die cutting device are arranged on the top of the workbench. The interior of the fixing frame is rotationally connected with a supporting roller, the inner side of the fixing frame is provided with a guide structure used for guiding the reflector plate, and the guide structure comprises a first motor fixed to the surface of the fixing frame, a two-way screw fixed to an output shaft of the first motor and limiting plates in threaded connection to the two sides of the surface of the two-way screw. The supporting frame is fixed to the rear portion of the top of the workbench, and movable grooves are formed in the two ends of the supporting frame; according to the utility model, not only can the friction force generated when the reflector plate is guided be reduced, but also the impurities of the reflector plate can be conveniently adsorbed and cleaned, so that the subsequent pressing and die cutting quality is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of reflector sheet die cutting, specifically to a backlight module reflector sheet die cutting device. BACKGROUND

[0002] The backlight module is one of the key components of the liquid crystal display panel. Its function is to supply sufficient brightness and evenly distributed light source, so that it can normally display the image. The reflector sheet is mainly used in the backlight module of the liquid crystal display, and its function is mainly to make full use of the light source and distribute it evenly. The use of the reflector sheet requires that many products be fixed on the backlight module by adhesive tape, and the size and pasting position of the adhesive tape also have strict requirements.

[0003] After searching, a backlight module reflector sheet die cutting device is disclosed in Chinese patent literature (publication number: CN218083132U). This backlight module reflector sheet die cutting device includes a first U-shaped plate, an L-shaped plate is fixed on the top of the first U-shaped plate near the four corners, a fixed block is fixed on the top of the L-shaped plate, a clamping block is provided on one side of the fixed block, a rotating roller is clamped between the clamping block and the L-shaped plate, an electric push rod is embedded and fixed in the side wall of the fixed block, the output end of the electric push rod is fixedly connected with the clamping block, a second U-shaped plate and a third U-shaped plate are fixed on the top of the first U-shaped plate, a first air cylinder and a second air cylinder are respectively fixed on the top of the second U-shaped plate and the third U-shaped plate.

[0004] The die cutting device disclosed in the patent can guide the reflector sheet of the module before die cutting to facilitate subsequent pressing and die cutting, but the reflector sheet will rub against the inner wall of the moving plate during the guiding process, and the reflector sheet will produce debris when rubbed, which is easy to fall on the surface of the reflector sheet. This not only affects the pressing effect, but also affects the quality of die cutting. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a backlight module reflector sheet die cutting device to solve the problems existing in the background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a backlight module reflector sheet die cutting device, including a workbench, winding rollers arranged on both sides of the top of the workbench, and pressing equipment and die cutting equipment arranged on the top of the workbench respectively, further including:

[0007] A fixed frame is fixed on the top of the workbench, a supporting roller is rotatably connected in the fixed frame, a guide structure for guiding the reflector sheet is arranged on the inner side of the fixed frame, the guide structure includes a first motor fixed on the surface of the fixed frame, a bidirectional screw rod fixed on the output shaft of the first motor, and limiting plates threadedly connected on both sides of the surface of the bidirectional screw rod;

[0008] Support frame is fixed on the top of the workbench rear, and the inside of both ends of the support frame is provided with a movable slot, the movable slot is movably connected with a folding plate, and the one end of the folding plate is fixed with a dust collection head, and the side of the support frame is provided with a driving structure for driving the two folding plates to move;

[0009] The collecting box and the dust collector are respectively arranged on the inside of the workbench, the suction end of the collecting box is communicated with the dust collector, the back of the collecting box is communicated with two dust collection pipes, and the other end of the dust collection pipe is communicated with the top of the dust collection head.

[0010] Preferably, the driving structure comprises a second motor fixed on the surface of the support frame, a gear fixed on the output shaft of the second motor and a rack plate fixed on the other end of the folding plate, and the rack plate is engaged with the gear.

[0011] Preferably, the inside of the movable slot is fixedly connected with a fixed rod, and the surface of the fixed rod is movably connected with the inside of the folding plate.

[0012] Preferably, the dust collection pipe is a telescopic hose, and the extension length thereof is greater than the length of the rack plate.

[0013] Preferably, the inside of the fixed frame is fixed with an auxiliary roller, and the auxiliary roller is located to the right of the supporting roller.

[0014] Preferably, the inside of the collecting box is movably connected with a material collecting box.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] The utility model discloses a side of the limiting plate rotatably connected with a plurality of gyro wheels, which can reduce the friction between the limiting plate and the reflecting sheet, and facilitate subsequent better guiding and limiting, and the dust collection head can adsorb the impurities attached to the upper and lower sides of the reflecting sheet through the arrangement of the collecting box, the dust collector, the dust collection pipe and the dust collection head, thereby improving the subsequent pressing and die cutting effect. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the three-dimensional structure schematic diagram in the utility model;

[0018] Figure 2 It is the rear view structure schematic diagram in the utility model;

[0019] Figure 3 It is the three-dimensional structure schematic diagram in the utility model;

[0020] Figure 4 It is the local structure schematic diagram in the utility model.

[0021] In the figure: 1, workbench; 2, winding roller; 3, pressing equipment; 4, die cutting equipment; 5, fixed frame; 6, supporting roller; 7, guide structure; 71, first motor; 72, bidirectional screw; 73, limiting plate; 8, supporting frame; 9, movable groove; 10, folding plate; 11, dust collection head; 12, driving structure; 121, second motor; 122, gear; 123, rack plate; 13, fixed rod; 14, collection box; 15, dust collector; 16, dust collection pipe; 17, auxiliary roller; 18, material collecting box; 19, roller. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0023] Please refer to Figures 1-4 As shown in the figure, a backlight module reflection sheet die cutting device, including workbench 1, both sides of the top of workbench 1 are provided with winding roller 2, the top of workbench 1 is provided with pressing equipment 3 and die cutting equipment 4 respectively, the top of workbench 1 is fixedly connected with fixed frame 5, the inside of fixed frame 5 is rotatably connected with supporting roller 6, the inside of fixed frame 5 is provided with guide structure 7 for guiding the reflection sheet, guide structure 7 includes first motor 71 fixed on the surface of fixed frame 5, the output shaft of first motor 71 is connected with bidirectional screw 72, and the other end of bidirectional screw 72 is rotatably connected with the inner wall of fixed frame 5, the front and back of the surface of bidirectional screw 72 are threadedly connected with limiting plate 73, and the inside of limiting plate 73 is movably connected with the surface of supporting roller 6, the rear of the top of workbench 1 is fixedly provided with supporting frame 8, and the inside of both ends of supporting frame 8 is provided with movable groove 9, movable groove 9 is movably connected with folding plate 10 inside, and one end of folding plate 10 is fixedly connected with dust collection head 11, movable groove 9 is fixedly connected with fixed rod 13 inside, the surface of fixed rod 13 is movably connected with the inside of folding plate 10, so that folding plate 10 can be assisted and supported, and the stability during movement can be maintained, one side of supporting frame 8 is provided with driving structure 12 for driving two folding plates 10 to move, the inside of workbench 1 is provided with collection box 14 and dust collector 15 respectively, the suction end of collection box 14 is connected with dust collector 15, both sides of the back of collection box 14 are connected with dust collection pipe 16, and the other end of dust collection pipe 16 is connected with the top of dust collection head 11, dust collection pipe 16 is a telescopic hose, and its extension length is greater than the length of rack plate 123, so that dust collection pipe 16 will not be torn off when dust collection head 11 moves.

[0024] The driving structure 12 comprises a second motor 121, a gear 122 and two rack plates 123, the second motor 121 is fixed on the surface of the support frame 8, the output shaft of the second motor 121 is fixed with one side of the gear 122, the number of the rack plates 123 is two, and they are engaged with two sides of the gear 122, the other end of the folding plate 10 is fixed with the other side of the rack plate 123, so that when the folding plate 10 is moved, the second motor 121 can be started, the gear 122 is rotated, the two rack plates 123 are moved to the opposite side, and the folding plate 10 is moved together, so that the dust collection head 11 is close to the surface of the reflecting sheet.

[0025] The inner side of the fixed frame 5 is fixed with an auxiliary roller 17, and the auxiliary roller 17 is located on the right side of the supporting roller 6, so that the reflecting sheet can be supported to facilitate subsequent better conveying.

[0026] The inside of the collecting box 14 is movably connected with a collecting box 18, so that the impurities falling into the collecting box 14 can be uniformly collected and treated.

[0027] It is worth noting that in the technical scheme, the technical features should be regarded as prior art, the specific structure, working principle and possible control mode and spatial arrangement mode of these technical features can be selected by the prior art, and the technical scheme will not be further expanded and described in detail.

[0028] Working principle: when in use, the reflecting sheet can pass through the upper side of the supporting roller 6, pass through the lower side of the auxiliary roller 17, and then pass through the pressing device 3 for conveying, the conveyed reflecting sheet can pass through the die cutting device 4 and be wound on the surface of the right winding roller 2, before conveying the reflecting sheet, the first motor 71 can be started to drive the bidirectional screw rod 72 to rotate, and the front and rear limiting plates 73 are moved to the opposite side, so that the roller 19 is in contact with the reflecting sheet, thereby reducing the friction of the reflecting sheet during guiding, then the driving structure 12 drives the two folding plates 10 to move to the opposite side, and the dust collection head 11 is close to the surface of the reflecting sheet, then the dust collection machine 15 is started, so that the inside of the collecting box 14 produces negative pressure, at this time, the impurities on the surface of the reflecting sheet are adsorbed by the dust collection head 11 and fall into the inside of the collecting box 14 for collection, when the reflecting sheet moves to the inside of the pressing device 3, it can be pressed, and finally the pressed reflecting sheet is cut by the die cutting device 4, and the specific pressing and cutting can refer to the working principle of the comparative file.

[0029] It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting; it is not intended to exclude myriad other embodiments of the present application that other inventors can develop based on the same general inventive concepts embodied by the described embodiments. That is, although the present application is described in terms of particular embodiments and implementations, it is to be understood that the terminology used is for the purpose of descriptive clarity and that it is intended to be limited only by the words recited in the appended claims. The scope of the present application shall be limited only by the claims.

[0030] While the embodiments of the present application have been shown and described with respect to particular embodiments thereof, it will be understood by those skilled in the art that various changes in form and details can be made therein without departing from the spirit and scope of the application. Therefore, the scope of the application should not be limited by the embodiments, but should be defined only in accordance with the following claims and their equivalents.

Claims

1. A backlight module reflector die-cutting device, comprising a workbench (1), winding rollers (2) arranged on both sides of the top of the workbench (1), and a pressing device (3) and a die-cutting device (4) arranged on the top of the workbench (1) respectively, characterized in that, Also include: The fixed frame (5) is fixed on the top of the workbench (1), the inside of the fixed frame (5) is rotatably connected with the supporting roller (6), the inner side of the fixed frame (5) is provided with a guide structure (7) for guiding the reflecting sheet, the guide structure (7) comprises a first motor (71) fixed on the surface of the fixed frame (5), a bidirectional screw (72) fixed on the output shaft of the first motor (71) and a limiting plate (73) threadedly connected on both sides of the surface of the bidirectional screw (72); The support frame (8) is fixed on the top of the workbench (1), and the inside of the support frame (8) is provided with a movable slot (9), the inside of the movable slot (9) is movably connected with a folding plate (10), one end of the folding plate (10) is fixed with a dust collecting head (11), one side of the support frame (8) is provided with a driving structure (12) for driving two folding plates (10) to move; The collecting box (14) and the dust collecting machine (15) are arranged on the inner side of the workbench (1) respectively, the suction end of the collecting box (14) is connected with the dust collecting machine (15), the back of the collecting box (14) is connected with a dust collecting pipe (16) on both sides, and the other end of the dust collecting pipe (16) is connected with the top of the dust collecting head (11).

2. The backlight module reflector die cutting device according to claim 1, wherein: The driving structure (12) comprises a second motor (121) fixed on the surface of the support frame (8), a gear (122) fixed on the output shaft of the second motor (121) and a rack plate (123) fixed on the other end of the folding plate (10), and the rack plate (123) is engaged with the gear (122).

3. The backlight module reflector die cutting device of claim 1, wherein: The inside of the movable slot (9) is fixedly connected with a fixed rod (13), and the surface of the fixed rod (13) is movably connected with the inside of the folding plate (10).

4. The backlight module reflector die cutting device of claim 2, wherein: The dust collecting pipe (16) is a telescopic hose, and its extension length is greater than the length of the rack plate (123).

5. The backlight module reflector die cutting device of claim 1, wherein: The inner side of the fixed frame (5) is fixed with an auxiliary roller (17), and the auxiliary roller (17) is located to the right of the supporting roller (6).

6. The apparatus of claim 1, wherein: The inside of the collecting box (14) is movably connected with a material collecting box (18).

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