Optical film feeding mechanism with material shaking function

Abstract

The utility model relates to an optical diaphragm feeding mechanism with a material shaking function, which comprises a diaphragm absorbing frame, a diaphragm placing plate and a bottom plate which are sequentially arranged from top to bottom, a plurality of negative pressure suckers for absorbing diaphragms are arranged on the peripheral side of the diaphragm absorbing frame, and a vibration device is mounted on the diaphragm absorbing frame and used for shaking off the lifted redundant diaphragms. The feeding device is simple in structure, reasonable in design, time-saving and labor-saving, working efficiency can be improved, the problem that a lower-layer optical film can be attached by an upper-layer optical film due to the fact that the upper-layer optical film is taken out is solved, smooth feeding of each layer of optical film is guaranteed, and influence on operation is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of optical film piece feeding mechanism with shake material function. BACKGROUND

[0002] At present, optical film piece is widely applied in display device, especially in liquid crystal display. Liquid crystal display screen is a passive light-emitting element, which does not emit light itself, but is illuminated by the backlight system of liquid crystal display. The backlight system is mainly composed of light source, light guide plate, optical film piece and plastic frame, etc. It converts the incoming light source into a surface light source through the light guide plate, thereby illuminating the entire liquid crystal display screen. And, by placing optical film piece on the light guide plate, it plays a role in uniform light and converging large-angle light for front observation.

[0003] In the production process of optical film piece, it is necessary to transport optical film piece. The existing mode is to transport manually, which is time-consuming and laborious, and low in efficiency. In addition, when it is necessary to take out one by one from the stack of optical film pieces, since the optical film piece is thin, there is static electricity between adjacent optical film pieces. When the upper optical film piece is taken out, the adjacent lower optical film piece will also be adhered and taken up by the upper optical film piece, which is not convenient for single optical film piece taking work. SUMMARY

[0004] The utility model improves the above-mentioned problem, that is, the technical problem to be solved by the utility model is to provide an optical film piece feeding mechanism with shake material function, which is convenient and efficient, effectively prevents optical film piece adhesion problem, and facilitates optical film piece taking work.

[0005] The utility model is constituted as follows. It comprises a film suction frame, a film placing plate and a bottom plate arranged in sequence from top to bottom. A plurality of negative pressure suction cups for adsorbing film pieces are arranged on the side of the film suction frame. A vibrating device is installed on the film suction frame to shake off the excess film pieces taken up.

[0006] Further, a driving device is arranged above the film suction frame. The driving device comprises a lifting assembly for moving the film suction frame up and down and a horizontal moving assembly for driving the lifting assembly to move left and right.

[0007] Further, the lifting assembly is a lifting cylinder, and the output end of the lifting cylinder is connected with a connecting plate arranged on the film suction frame.

[0008] Further, the horizontal moving assembly comprises a sliding block, a lead screw and a guide rod arranged on the sliding block. The lifting assembly is connected with the sliding block. The lead screw is driven to rotate by a lead screw motor, thereby driving the lifting assembly and the film suction frame to move left and right.

[0009] Further, a plurality of limiting guide grooves are arranged on the side of the film placing plate, a limiting guide rod is arranged in each limiting guide groove, and a limiting space for the optical film sheet is formed between the plurality of limiting guide rods.

[0010] Further, a sliding assembly is arranged between the limiting guide rod and the bottom plate, the sliding assembly comprises a sliding rail arranged on the bottom plate, a limiting block is arranged below the limiting guide rod, a sliding block is arranged below the limiting block, and the sliding block is in sliding cooperation with the sliding rail.

[0011] Further, a fixing plate is arranged in the middle of the film sucking frame, and the fixing plate is used for mounting a vibration device.

[0012] Further, the vibration device is a vibration motor.

[0013] Further, a jacking assembly is arranged between the film placing plate and the bottom plate, and the jacking assembly is used for driving the film placing plate to move up and down.

[0014] Further, the jacking assembly is a gas cylinder.

[0015] Compared with the prior art, the device has the following beneficial effects: the device has simple structure, reasonable design and convenient use, the stacked optical film sheets are placed on the film placing plate, the limiting area of the optical film sheets is formed by adjusting the positions of the guide rods, the lifting assembly drives the film sucking frame and the negative pressure sucking disc to move downwards, the negative pressure sucking disc sucks the uppermost optical film sheet, then the lifting assembly drives the film sucking frame, the negative pressure sucking disc and the optical film sheet to move upwards by a distance, the vibration device drives the film sucking frame to shake, the second layer of optical film sheets that are taken together with the first layer of optical film sheets are shaken off, then the transverse moving assembly drives the lifting assembly, the film sucking frame and the negative pressure sucking disc to move left and right together, and the optical film sheets are transported to the next process, thereby effectively preventing the problem that when the upper optical film sheet is taken, the lower optical film sheet adjacent to the upper optical film sheet is also taken together with the upper optical film sheet, facilitating the single optical film sheet taking work and improving the work efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a front view of the embodiment of the device;

[0017] Figure 2 It is a top view of the embodiment of the device;

[0018] Figure 3 It is a top view of the embodiment of the device without the film sucking frame;

[0019] Figure 4 It is a top view of the embodiment of the device with the film sucking frame and the driving device. DETAILED DESCRIPTION

[0020] The utility model discloses make further detailed explanation to the utility model below combining with the drawing and specific embodiment.

[0021] Embodiment: as Figures 1-4 Indicated, in the utility model embodiment, provide a kind of optical film loading mechanism with shake material function, including by upper and lower sequentially arranged suction frame 1, place film plate 2 and bottom plate 3, the suction frame peripheral side is provided with a plurality of negative pressure chuck 4 for adsorbing film, vibration device 5 is installed on the suction frame, to shake off the excess optical film that is taken up.

[0022] The above-mentioned vibration device includes a fixing plate 51 arranged in the middle of the suction frame, and the vibration device is installed on the fixing plate.

[0023] When working: stacked optical film A is placed on the film placing plate, the position of each guide rod is adjusted to form a limiting area of the optical film, the suction frame and the negative pressure chuck are moved downward by the lifting assembly, so that the negative pressure chuck adsorbs the uppermost optical film, then the suction frame, the negative pressure chuck and the optical film are moved upward by the lifting assembly, the suction frame is shaken by the vibration device, the second layer of optical film that follows the first layer of optical film is shaken off, and then the lifting assembly, the suction frame and the negative pressure chuck are moved left and right by the transverse moving assembly, so that the optical film is transported to the next process.

[0024] During the continuous conveying of the optical film, the thickness of the stacked optical film is reduced, and the film placing plate can be moved upward by the jacking assembly to adjust the height of the remaining optical film.

[0025] In the utility model embodiment, a driving device is arranged above the suction frame, and the driving device includes a lifting assembly 6 for moving the suction frame upward and downward, and a transverse moving assembly 7 for driving the lifting assembly to move left and right.

[0026] The lifting assembly 6 is a lifting cylinder, and the output end of the lifting cylinder is connected to a connecting plate 61 arranged on the suction frame.

[0027] The transverse moving assembly 7 includes a sliding block 701, a lead screw 702 arranged on the sliding block, and a guide rod 703, the lifting assembly is connected to the sliding block, the lead screw is driven to rotate by a lead screw motor 704, thereby driving the lifting assembly and the suction frame to move left and right.

[0028] In the embodiment of the utility model, the film placing plate is provided with a plurality of limiting guide grooves on the side, a limiting guide rod 202 is arranged in each limiting guide groove, a plurality of limiting guide rods can move along the corresponding limiting guide groove and approach the stacked optical film pieces, and the limiting space 203 of the optical film piece is formed between the plurality of limiting guide rods.

[0029] In the embodiment of the utility model, the limiting guide rod and the bottom plate are provided with a sliding assembly 8, the sliding assembly comprises a sliding rail 801 arranged on the bottom plate, a limiting block 802 is arranged below the limiting guide rod, a sliding block 803 is arranged below the limiting block, and the sliding block is in sliding cooperation with the sliding rail.

[0030] The limiting guide rod and the bottom plate can be provided with four groups of sliding assemblies, the four groups of sliding assemblies comprise a first sliding assembly, a second sliding assembly, a third sliding assembly and a fourth sliding assembly, the first sliding assembly and the second sliding assembly are symmetrically arranged and arranged on the left and right sides, the third sliding assembly and the fourth sliding assembly are symmetrically arranged and arranged on the front and rear sides, the sliding rail of the first sliding block assembly, the sliding rail of the second sliding block assembly and the sliding rail of the third sliding assembly are vertically arranged, the sliding rail of the fourth sliding assembly is also vertically arranged with the sliding rail of the first sliding block assembly and the sliding rail of the second sliding block assembly, and the sliding rails of the third sliding assembly and the fourth sliding assembly extend from front to back.

[0031] Each group of sliding assemblies comprises two sliding rails, a limiting block and two sliding blocks, the two sliding blocks are fixed to the two sides below the limiting block, the two sliding blocks are in sliding cooperation with the two sliding rails respectively, each group of limiting sliding assemblies comprises two limiting guide grooves arranged on the front, rear, left and right of the film placing plate, and the two limiting rods pass through the limiting guide grooves and are connected with the limiting block.

[0032] In the embodiment of the utility model, the film placing plate and the bottom plate are provided with a jacking assembly 9 for driving the film placing plate to move up and down.

[0033] In the embodiment of the utility model, the jacking assembly is a gas cylinder.

[0034] In the embodiment of the utility model, the film placing plate 1 is provided with a plurality of suction disc fixing plates 101 on the side, an adjusting groove 102 is formed on the suction disc fixing plate, the negative pressure suction disc is fastened to any position of the adjusting groove by a fixing assembly, the negative pressure suction disc is connected with the external negative pressure source through the pipeline, the fixing assembly comprises a screw rod 103 arranged on the top of the negative pressure suction disc, the screw rod is arranged in the adjusting groove, nuts 104 are arranged on the upper and lower parts of the adjusting groove, the nut is sleeved on the screw rod and is in threaded cooperation with the screw rod, and the width of the nut is greater than the width of the adjusting groove.

[0035] Any of the above technical solutions of the utility model discloses, if its disclosed numerical range except another declaration, then the disclosed numerical range is all preferred numerical range, any person skilled in the art should understand that: preferred numerical range is only the numerical value of obvious technical effect or representative numerical value in many implementable numerical values. Because the numerical value is more, cannot be exhausted, so the utility model discloses part of numerical value to illustrate the technical scheme of the utility model, and, the numerical value enumerated above should not constitute the restriction of the protection scope of the utility model creation.

[0036] If the words such as "first", "second" are used to limit the components in the present application, those skilled in the art should know that: the use of "first", "second" is only for the convenience of distinguishing the components, and the above words have no special meaning unless otherwise stated.

[0037] Meanwhile, if the above utility model discloses or involves mutually fixed connection components or structural parts, except another declaration, the fixed connection can be understood as: the detachable fixed connection (for example, using bolt or screw connection), and can also be understood as: the fixed connection of non-detachable (for example, riveting, welding), of course, the mutual fixed connection can also be replaced by integral structure (for example, using casting process integral forming manufacturing) (obviously, except for integral forming process).

[0038] In addition, the terms used to represent the position relationship or shape in any of the above technical solutions of the utility model, except another declaration, its meaning includes the state or shape similar, similar or close to it.

[0039] Any component provided by the utility model can be assembled by a plurality of individual components, or can be an individual component manufactured by integral forming process.

[0040] Finally, it should be noted that: the above examples are only used to illustrate the technical solutions of the utility model and not to limit them; although the utility model has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that: the specific embodiments of the utility model can still be modified or some technical features can be replaced by equivalents; without departing from the spirit of the technical solutions of the utility model, they should be covered in the technical solution range of the utility model claimed.

Claims

1. An optical film sheet feeding mechanism with a shaking function, characterized by comprising: a film sheet feeding mechanism 1; a shaking mechanism 2; and a control unit 3. It comprises a film suction frame, a film placing plate and a bottom plate arranged from top to bottom, the film suction frame is provided with a plurality of negative pressure suction cups for sucking film pieces on the side, a vibrating device is installed on the film suction frame for shaking off the excess film pieces taken up.

2. The optical film sheet feeding mechanism with a shaking function according to claim 1, characterized in that, A driving device is arranged above the film suction frame, the driving device comprises a lifting assembly for driving the film suction frame to move up and down and a horizontal moving assembly for driving the lifting assembly to move left and right.

3. The optical film sheet feeding mechanism with a shaking function according to claim 2, characterized in that, The lifting assembly is a lifting cylinder, the output end of the lifting cylinder is connected with a connecting plate arranged on the film suction frame.

4. The optical film sheet feeding mechanism with a shaking function according to claim 2, characterized in that, The horizontal moving assembly comprises a sliding block, a lead screw and a guide rod arranged on the sliding block, the lifting assembly is connected with the sliding block, the lead screw is driven to rotate by a lead screw motor, thereby driving the lifting assembly and the film suction frame to move left and right.

5. The optical film sheet feeding mechanism with a shaking function according to claim 1, characterized in that, A plurality of limiting guide grooves are arranged on the side of the film placing plate, a limiting guide rod is arranged in each limiting guide groove, and a limiting space for optical film pieces is formed between the plurality of limiting guide rods.

6. The optical film sheet feeding mechanism with a shaking function according to claim 5, characterized in that, A sliding assembly is arranged between the limiting guide rod and the bottom plate, the sliding assembly comprises a sliding rail arranged on the bottom plate, a limiting block is arranged below the limiting guide rod, a sliding block is arranged below the limiting block, and the sliding block is in sliding fit with the sliding rail.

7. The optical film sheet feeding mechanism with a shaking function according to claim 1, characterized in that, A fixing plate is arranged in the middle of the film suction frame for installing the vibrating device.

8. The optical film sheet feeding mechanism with a shaking function according to claim 1, characterized in that, The vibrating device is a vibrating motor.

9. The optical film sheet feeding mechanism with a shaking function according to claim 1, characterized in that, A jacking assembly is arranged between the film placing plate and the bottom plate for driving the film placing plate to move up and down.

10. The optical film sheet feeding mechanism with a shaking function according to claim 9, characterized in that, The jacking assembly is a cylinder.

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