CN223519786U - A backlight module reflective sheet die-cutting device - Google Patents

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 two sides of the top of the workbench, laminating equipment and die cutting equipment respectively arranged on the top of the workbench, a fixing frame fixed on the top of the workbench, a supporting roller rotatably connected to the inside of the fixing frame, and a guide structure for guiding a reflector plate arranged on the inside of the fixing frame, wherein the guide structure comprises a first motor fixed on the surface of the fixing frame, a bidirectional screw rod fixed on an output shaft of the first motor, and limiting plates in threaded connection on two sides of the surface of the bidirectional screw rod, and supporting frames fixed on the rear of the top of the workbench, wherein movable grooves are formed in the interiors of two ends of the supporting frames.

Description

Die cutting device for reflector plate of backlight module

Technical Field

The utility model relates to the technical field of reflector plate die cutting, in particular to a reflector plate die cutting device of a backlight module.

Background

The backlight module is one of the key components of the liquid crystal display panel. The function is to provide enough light source with uniform brightness and distribution, so that the light source can display images normally, the reflector plate is mainly applied to the backlight module in the liquid crystal display, and the function is mainly to make full use of and uniformly distribute the light source. The reflector plate is used, many products are fixed on the backlight module by sticking the adhesive tape, and the size and the sticking position of the adhesive tape are strictly required.

Through searching, for example, chinese patent literature discloses a die cutting device for a reflecting sheet of a backlight module (bulletin number: CN 218083132U). This kind of backlight unit reflector plate cross cutting device, including first U template, the top of first U template just is close to the four corners and all is fixed with the L template, the top of L template is fixed with the fixed block, one side of fixed block is equipped with the grip block, the centre gripping has the live-rollers between grip block and the L template, a lateral wall embedding of fixed block is fixed with electric putter, electric putter's output and grip block fixed connection, the top of first U template is fixed with second U template and third U template, the top of second U template and third U template is fixed with first cylinder and second cylinder respectively.

The die cutting device disclosed in the patent can guide the die-cutting reflecting sheet before die-cutting so as to facilitate the follow-up press fit and die-cutting, but the reflecting sheet can rub with the inner wall of the movable plate in the guide process, and the reflecting sheet can generate scraps when rubbed, so that the scraps can easily fall on the surface of the reflecting sheet, the press fit effect can be affected, and the die-cutting quality can be affected.

Disclosure of utility model

The utility model aims to provide a die cutting device for a reflecting sheet of a backlight module, which solves the problems in the background technology.

In order to achieve the above purpose, the utility model provides the following technical scheme that the die cutting device for the reflector plate of the backlight module comprises a workbench, winding rollers arranged on two sides of the top of the workbench, pressing equipment and die cutting equipment respectively arranged on the top of the workbench, and further comprises:

The fixing frame is fixed at the top of the workbench, the supporting roller is rotationally connected inside the fixing frame, a guide structure for guiding the reflecting sheet is arranged inside the fixing frame, the guide structure comprises a first motor fixed on the surface of the fixing frame, a bidirectional screw fixed on an output shaft of the first motor and limiting plates connected with two sides of the surface of the bidirectional screw in a threaded manner;

The dust collection device comprises a workbench, a support frame fixed at the rear of the top of the workbench, movable grooves are formed in the two ends of the support frame, folding plates are movably connected in the movable grooves, dust collection heads are fixed at one ends of the folding plates, and a driving structure for driving the two folding plates to move is arranged on one side of the support frame;

the collecting box and the dust collector are respectively arranged on the inner side of the workbench, the suction end of the collecting box is communicated with the dust collector, dust collection pipes are respectively communicated with the two sides of the back of the collecting box, and the other ends of the dust collection pipes are communicated with the top of the dust collection head.

Preferably, the driving structure comprises a second motor fixed on the surface of the supporting frame, a gear fixed on an output shaft of the second motor and a rack plate fixed on the other end of the folding plate, and the rack plate is meshed with the gear.

Preferably, a fixing rod is fixedly connected to the inside of the movable groove, and the surface of the fixing rod is movably connected with the inside of the folding plate.

Preferably, the dust collection pipe is a telescopic hose, and the extension length of the dust collection pipe is larger than the length of the rack plate.

Preferably, an auxiliary roller is fixed on the inner side of the fixing frame, and the auxiliary roller is positioned on the right side of the supporting roller.

Preferably, the collecting box is movably connected with the collecting box.

Compared with the prior art, the utility model has the following beneficial effects:

According to the utility model, through the arrangement that one side of the limiting plate is rotationally connected with the plurality of rollers, the friction force between the limiting plate and the reflecting sheet can be reduced, so that the guiding limiting is convenient and better performed subsequently, and meanwhile, along with the conveying of the reflecting sheet, the dust collection head can adsorb impurities attached to the upper side and the lower side of the reflecting sheet through the arrangement of the collection box, the dust collector, the dust collection pipe and the dust collection head, so that the effect of subsequent lamination and die cutting is improved.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic rear view of the present utility model;

FIG. 3 is a schematic perspective view of the present utility model;

Fig. 4 is a schematic view of a partial structure in the present utility model.

In the figure, 1, a workbench; 2, a wind-up roll, 3, a pressing device, 4, a die-cutting device, 5, a fixing frame, 6, a supporting roll, 7, a guiding structure, 71, a first motor, 72, a two-way screw, 73, a limiting plate, 8, a supporting frame, 9, a movable groove, 10, a folding plate, 11, a dust collection head, 12, a driving structure, 121, a second motor, 122, a gear, 123, a rack plate, 13, a fixed rod, 14, a collection box, 15, a dust collector, 16, a dust collection pipe, 17, an auxiliary roll, 18, a collection box, 19 and a roller.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, a die cutting device for reflector plates of backlight modules comprises a workbench 1, wherein windup rolls 2 are arranged on two sides of the top of the workbench 1, a pressing device 3 and a die cutting device 4 are respectively arranged on the top of the workbench 1, a fixing frame 5 is fixedly connected to the top of the workbench 1, a supporting roll 6 is rotatably connected to the inside of the fixing frame 5, a guiding structure 7 for guiding the reflector plates is arranged on the inner side of the fixing frame 5, the guiding structure 7 comprises a first motor 71 fixed on the surface of the fixing frame 5, a bidirectional screw 72 is bolted to an output shaft of the first motor 71, the other end of the bidirectional screw 72 is rotatably connected with the inner wall of the fixing frame 5, limiting plates 73 are respectively connected to the front and rear sides of the surface of the bidirectional screw 72 in a threaded manner, the inside of the limiting plates 73 are movably connected with the surface of the supporting roll 6, a supporting frame 8 is fixed to the rear of the top of the workbench 1, the movable groove 9 is arranged in the two ends of the support frame 8, the folding plate 10 is movably connected in the movable groove 9, the dust collection pipe 16 is fixedly connected to one end of the folding plate 10, the fixing rod 13 is fixedly connected in the movable groove 9, the surface of the fixing rod 13 is movably connected with the inside of the folding plate 10, thus the folding plate 10 can be supported in an auxiliary manner and keeps the stability during moving, one side of the support frame 8 is provided with the driving structure 12 for driving the two folding plates 10 to move, the inner side of the workbench 1 is respectively provided with the collecting box 14 and the dust collector 15, the suction end of the collecting box 14 is communicated with the dust collector 15, the two sides of the back surface of the collecting box 14 are respectively communicated with the dust collection pipe 16, the other end of the dust collection pipe 16 is communicated with the top of the dust collection head 11, the dust collection pipe 16 is a flexible pipe, and the extension length of the dust collection pipe 16 is larger than that of the rack plate 123, thus, the dust suction pipe 16 is not broken when the dust suction head 11 moves.

The driving structure 12 comprises a second motor 121, a gear 122 and a rack plate 123, wherein the second motor 121 is fixed on the surface of the supporting frame 8, the output shaft of the second motor 121 is fixed on one side of the gear 122, the number of the rack plates 123 is two, the rack plates are meshed with two sides of the gear 122, the other end of the folding plate 10 is fixed on the other side of the rack plate 123, when the folding plate 10 is driven to move, the second motor 121 can be started, the gear 122 is driven to rotate, and meanwhile, the two rack plates 123 are driven to move towards opposite sides, and the folding plate 10 is driven to move along with the opposite sides, so that the dust collection head 11 is close to the surface of the reflecting plate.

The inside of mount 5 is fixed with auxiliary roller 17, and auxiliary roller 17 is located the right side of backing roll 6, so can support the reflector plate to carry more conveniently follow-up.

The collection box 18 is movably connected to the inside of the collection box 14, so that the impurities falling into the collection box 14 can be collected uniformly.

It should be noted that technical features, such as the specific structure, the working principle, the control mode and the spatial arrangement mode which may be related to the technical features should be considered as the prior art, and conventional choices in the art are adopted, and the technical scheme is not further specifically developed and detailed.

The operation principle is that when the die-cutting machine is used, the reflector plate can pass through the upper part of the supporting roller 6 and pass through the lower part of the auxiliary roller 17, then is conveyed through the pressing device 3, the conveyed reflector plate can pass through the die-cutting device 4 and is wound on the surface of the right Fang Shoujuan roller 2, before conveying the reflector plate, the first motor 71 can be started and drives the bidirectional screw 72 to rotate, meanwhile, the front limiting plate 73 and the rear limiting plate 73 are driven to move towards one side opposite to each other, the roller 19 is contacted with the reflector plate, friction between the reflector plate and the reflector plate can be reduced in the process of guiding the reflector plate, the two folding plates 10 can be driven to move towards one side opposite to each other through the driving structure 12, the dust collection head 11 is driven to approach the surface of the reflector plate, the dust collector 15 is started immediately, impurities on the surface of the reflector plate are adsorbed through the dust collection head 11 and fall into the interior of the collection box 14 at the moment, the reflector plate moves into the interior of the pressing device 3 to press the reflector plate, pressing can be carried out, and finally, the die-cutting of the pressed reflector plate can be pressed through the device 4, and the die-cutting principle can be compared.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a backlight unit reflector plate cross cutting device, includes workstation (1), sets up wind-up roll (2) in its top both sides and sets up pressing equipment (3) and cross cutting equipment (4) at workstation (1) top respectively, its characterized in that still includes:

The fixing frame (5) is fixed at the top of the workbench (1), a supporting roller (6) is rotatably connected in the fixing frame (5), a guide structure (7) for guiding the reflecting sheet is arranged on the inner side of the fixing frame (5), the guide structure (7) comprises a first motor (71) fixed on the surface of the fixing frame (5), a bidirectional screw (72) fixed on an output shaft of the first motor (71) and limiting plates (73) in threaded connection with two sides of the surface of the bidirectional screw (72);

The dust collection device comprises a support frame (8) fixed at the rear of the top of the workbench (1), wherein movable grooves (9) are formed in the two ends of the support frame (8), folding plates (10) are movably connected in the movable grooves (9), dust collection heads (11) are fixed at one ends of the folding plates (10), and a driving structure (12) for driving the two folding plates (10) to move is arranged on one side of the support frame (8);

the dust collection device comprises a workbench (1), and is characterized in that a collection box (14) and a dust collector (15) are arranged on the inner side of the workbench respectively, a suction end of the collection box (14) is communicated with the dust collector (15), dust collection pipes (16) are respectively communicated with two sides of the back of the collection box (14), and the other ends of the dust collection pipes (16) are communicated with the top of a dust collection head (11).

2. The die-cutting device for the reflector plate of the backlight module of claim 1, wherein the driving structure (12) comprises a second motor (121) fixed on the surface of the supporting frame (8), a gear (122) fixed on an 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 meshed with the gear (122).

3. The die-cutting device for the reflecting sheet of the backlight module according to claim 1, wherein a fixing rod (13) is fixedly connected to the inside of the movable groove (9), and the surface of the fixing rod (13) is movably connected with the inside of the folding plate (10).

4. The device of claim 2, wherein the dust suction pipe (16) is a flexible hose, and has an extension length greater than that of the rack plate (123).

5. The die-cutting device for the reflecting sheet of the backlight module according to claim 1, wherein an auxiliary roller (17) is fixed on the inner side of the fixing frame (5), and the auxiliary roller (17) is positioned on the right side of the supporting roller (6).

6. The die-cutting device for the reflector plates of the backlight module according to claim 1, wherein a collecting box (18) is movably connected inside the collecting box (14).