Automatic deviation rectifying and conveying device for optical films

Abstract

The utility model discloses an automatic deviation rectifying and conveying device for an optical film. The automatic deviation rectifying and conveying device comprises a bottom frame, a first guide rail assembly, a movable frame, a film rolling roller, a rotary driving mechanism, a fixed frame, a deviation rectifying sensor and a pushing air cylinder. The bottom of the movable frame is connected with the bottom frame through a first guide rail assembly, the pushing air cylinder is arranged on the bottom frame, and the movable end of the pushing air cylinder is connected with the movable frame. The deviation correcting sensor is connected with the side end of the fixed frame through the clamping arm, and the pushing air cylinder is used for pushing the movable frame to transversely move relative to the bottom frame according to the transverse deviation position of the optical film. In the conveying process of the optical film, the deviation rectifying sensor can monitor the transverse position of the optical film in real time, when it is detected that the optical film deviates transversely, the pushing air cylinder can be controlled to drive the movable frame to transversely move along the first guide rail assembly, the optical film is rapidly adjusted to the correct position, automatic deviation rectifying is achieved, and the production efficiency is improved. And the conveying stability of the optical film is improved.

Description

Technical Field

[0001] The utility model relates to the field of optical film conveying devices, in particular to an automatic deviation-correcting conveying device for optical films. Background Art

[0002] Optical film is a thin film material used in optical applications with specific optical properties, such as light transmittance, reflectivity, anti-reflection, light filtering and polarization. Optical film is widely used in modern science and technology, especially in electronic displays, optical instruments, photographic equipment, solar cells and other fields, playing a key role.

[0003] In the prior art, during the production and transportation process of optical films, the optical films are prone to lateral displacement, which can easily lead to uneven film rolls, wrinkles or damage to the optical films, thereby affecting the production quality of the products; in addition, the tension of traditional conveying devices often needs to be adjusted through manual intervention, which not only increases the complexity and labor intensity of the operation, but also reduces the production efficiency.

[0004] Therefore, the prior art has defects and needs to be improved. Utility Model Content

[0005] The technical problem to be solved by the utility model is to provide an automatic deviation-correcting conveying device which can automatically adjust the tension and is easy to use.

[0006] To achieve this purpose, the utility model adopts the following technical solutions: an automatic deviation correction and conveying device for optical film, comprising a base frame, a first guide rail assembly, a movable frame, a film roll roller, a rotary drive mechanism, a fixed frame, a deviation correction sensor and a push cylinder;

[0007] The bottom of the movable frame is connected to the base frame through the first guide rail assembly, and the movable frame can move laterally relative to the base frame along the first guide rail assembly. The pushing cylinder is arranged on the base frame, and the movable end of the pushing cylinder is connected to the movable frame;

[0008] The film rolling drum is arranged on the movable frame, and is used for rolling up the optical film. The rotary drive mechanism is connected to the shaft end of the film rolling drum to drive the film rolling drum to rotate.

[0009] The fixed frame is arranged at the side end of the base frame away from the movable frame, the movable frame is provided with a first guide roller, and the fixed frame is provided with a second guide roller, the first guide roller and the second guide roller are used for guiding and conveying the optical film, the deflection correction sensor is connected to the side end of the fixed frame through a clamping arm, the deflection correction sensor is used for detecting the lateral offset position of the optical film, and the pushing cylinder is used for pushing the movable frame to move laterally relative to the base frame according to the lateral offset position of the optical film.

[0010] According to the above technical solution, the automatic deviation-correcting conveying device for the optical film further includes a third guide roller, a tensioning roller, a second guide rail assembly and an upper pull assembly;

[0011] The third guide roller is arranged at the side end of the fixed frame away from the second guide roller, the tensioning roller is arranged between the second guide roller and the third guide roller, and the tensioning roller is slidably connected to the fixed frame through the second guide roller assembly, the bottom of the tensioning roller abuts against the optical film, the upper pulling assembly is connected to the tensioning roller, and the upper pulling assembly is used to apply an upward pulling force to the tensioning roller.

[0012] By adopting the above-mentioned technical solutions, in the automatic deviation-correcting conveying device for optical film, the pull-up assembly includes a counterweight, a chain and a gear;

[0013] The gear is arranged on the fixing frame, one end of the chain is connected to the tensioning roller, and the other end of the chain passes through the gear and is connected to the counterweight.

[0014] By adopting the above-mentioned technical solutions, in the automatic deviation-correcting conveying device for optical films, the rotation driving mechanism includes a driving motor, a driving pulley, a driven pulley and a transmission belt;

[0015] The driving motor is arranged on the movable frame, the output shaft of the driving motor is connected to the driving pulley, the driven pulley is connected to the shaft end of the film rolling drum, and the driving pulley and the driven pulley are connected through the transmission belt.

[0016] By adopting the above-mentioned technical solutions, in the automatic deviation-correcting conveying device for optical films, the rotary drive mechanism further comprises a tensioning pressure wheel, which is arranged on the side wall of the movable frame and abuts against the transmission belt.

[0017] By adopting the above-mentioned technical solutions, in the automatic deviation-correcting conveying device for optical films, a slide groove for moving the tensioning pressure wheel is provided on the movable frame.

[0018] By adopting the above-mentioned technical solutions, in the automatic deviation-correcting and conveying device for optical films, the bottom of the base frame is provided with supporting feet and moving pulleys.

[0019] Compared with the prior art, the utility model has the following beneficial effects:

[0020] The optical film of the utility model is led out from the film winding drum for transportation. During the transportation process, the correction sensor can monitor the lateral position of the optical film in real time to detect whether the optical film deviates from the predetermined transportation path. When the correction sensor detects that the optical film has a lateral deviation, a corresponding signal is generated to control the action of the push cylinder to drive the movable frame to move laterally along the first guide rail assembly. When the movable frame moves, the optical film wound on the film winding drum also moves accordingly, so that the optical film is quickly adjusted to the correct position, automatic correction is achieved, and the transportation stability of the optical film is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0022] The structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification so as to facilitate understanding and reading by persons familiar with this technology. They are not used to limit the conditions under which the present invention can be implemented, and therefore have no substantive technical significance. Any structural modification, change in proportion or adjustment of size, without affecting the effects and purposes that can be achieved by the present invention, should still fall within the scope of the technical contents disclosed by the present invention.

[0023] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0024] Figure 2 This is a schematic diagram of the overall structure of the utility model from another perspective;

[0025] Figure 3 It is a schematic diagram of the structure of the pull-up assembly of the utility model. DETAILED DESCRIPTION

[0026] In order to make the utility model's purpose, features, and advantages more obvious and easy to understand, the following will be combined with the drawings in the utility model embodiments to clearly and completely describe the technical solutions in the utility model embodiments. Obviously, the embodiments described below are only part of the utility model embodiments, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] In the description of the present invention, it should be understood that the terms "upper", "lower", "top", "bottom", "inside", "outside", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. It should be noted that when a component is considered to be "connected" to another component, it may be directly connected to the other component or there may be a centrally arranged component at the same time.

[0028] The technical solution of the utility model is further explained below with reference to the accompanying drawings and through specific implementation methods.

[0029] like Figures 1 to 3 As shown, the embodiment of the utility model provides an automatic deviation-correcting conveying device for an optical film, comprising a base frame 1, a first guide rail assembly 2, a movable frame 3, a film-winding drum 4, a rotation drive mechanism 5, a fixed frame 6, a deviation-correcting sensor 7, and a pushing cylinder 8. The bottom of the movable frame 3 is connected to the base frame 1 through the first guide rail assembly 2, and the movable frame 3 can move laterally relative to the base frame 1 along the first guide rail assembly 2. The pushing cylinder 8 is arranged on the base frame 1, and the movable end of the pushing cylinder 8 is connected to the movable frame 3. The film-winding drum 4 is arranged on the movable frame 3, and the film-winding drum 4 is used to wind the optical film. The rotating drive mechanism 5 is connected to the axial end of the film winding drum 4 to drive the film winding drum 4 to rotate. The fixed frame 6 is arranged at the side end of the base frame 1 away from the movable frame 3. The movable frame 3 is provided with a first guide roller 31, and the fixed frame 6 is provided with a second guide roller 61. The first guide roller 31 and the second guide roller 61 are used for guiding and conveying the optical film. The deflection correction sensor 7 is connected to the side end of the fixed frame 6 through a clamping arm 71. The deflection correction sensor 7 is used to detect the lateral offset position of the optical film. The pushing cylinder 8 is used to push the movable frame 3 to move laterally relative to the base frame 1 according to the lateral offset position of the optical film. The optical film is led out from the film winding drum 4, and is guided and conveyed by the first guide roller 31 and the second guide roller 61. During the conveying process, the correction sensor 7 can monitor the lateral position of the optical film in real time to detect whether the optical film deviates from the predetermined conveying path. When the correction sensor 7 detects that the optical film is laterally offset, a corresponding signal is generated to control the action of the push cylinder 8 to drive the movable frame 3 to move laterally along the first guide rail assembly 2. When the movable frame 3 moves, the optical film wound on the film winding drum 4 also moves accordingly, so that the optical film is quickly adjusted to the correct position, automatic correction is achieved, and the conveying stability of the optical film is improved.

[0030] like Figures 1 to 3As shown, further, it also includes a third guide roller 91, a tensioning roller 92, a second guide rail assembly 93 and an upper pulling assembly 94, the third guide roller 91 is arranged at the side end of the fixed frame 6 away from the second guide roller 61, the tensioning roller 92 is arranged between the second guide roller 61 and the third guide roller 91, and the tensioning roller 92 is slidably connected to the fixed frame 6 through the second guide roller 61 assembly, the bottom of the tensioning roller 92 abuts against the optical film, the upper pulling assembly 94 is connected to the tensioning roller 92, the upper pulling assembly 94 is used to apply an upward pulling force to the tensioning roller 92, so as to adjust the tensioning force between the tensioning roller 92 and the optical film to prevent the optical film from wrinkling, deformation or damage during transportation, the second guide rail assembly 93 is set, so that the tensioning roller 92 can slide freely within a certain range to adapt to optical films of different specifications and thicknesses.

[0031] like Figure 2 and Figure 3 As shown, further, the pull-up assembly 94 includes a counterweight 941, a chain 942 and a gear 943, wherein the gear 943 is disposed on the fixing frame 6, one end of the chain 942 is connected to the tensioning roller 92, and the other end of the chain 942 passes through the gear 943 and is connected to the counterweight 941. As the tension changes during the conveying process of the optical film, the counterweight 941 can automatically adjust the position of the tensioning roller 92 through the meshing action of the chain 942 and the gear 943, thereby maintaining appropriate tension.

[0032] like Figure 1 As shown, further, the rotary drive mechanism 5 includes a driving motor 51, a driving pulley 52, a driven pulley 53 and a transmission belt 54. The driving motor 51 is arranged on the movable frame 3. The output shaft of the driving motor 51 is connected to the driving pulley 52. ​​The driven pulley 53 is connected to the shaft end of the film roll 4. The driving pulley 52 and the driven pulley 53 are connected through the transmission belt 54. The driving motor 51 can drive the driving pulley 52 to rotate, and drive the film roll 4 connected to the driven pulley 53 to rotate through the transmission belt 54, so as to realize the unwinding and conveying of the optical film.

[0033] like Figure 1 As shown, further, the rotary drive mechanism 5 also includes a tensioning wheel 55, which is arranged on the side wall of the movable frame 3 and abuts against the transmission belt 54. The arrangement of the tensioning wheel 55 can prevent the transmission belt 54 from slipping.

[0034] like Figure 1As shown, further, the movable frame 3 is provided with a slide groove 30 for moving the tensioning wheel 55. The transmission belt 54 may wear or stretch during long-term use. By adjusting the position of the tensioning wheel 55, such changes can be compensated and the appropriate tension of the transmission belt 54 can be maintained.

[0035] like Figure 1 As shown, further, the bottom of the base frame 1 is provided with a support foot 11 and a movable pulley 12. The support foot 11 can improve the support stability of the correction device to prevent shaking or displacement during operation; the setting of the movable pulley 12 can facilitate the rapid adjustment of the position of the correction device according to production requirements to adapt to different installation environments.

[0036] As described above, the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments can still be modified, or some of the technical features can be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.

Claims

1. An automatic deviation-correcting conveying device for an optical film, characterized in that: It includes a base frame, a first guide rail assembly, a movable frame, a film rolling roller, a rotary drive mechanism, a fixed frame, a deviation correction sensor and a push cylinder; The bottom of the movable frame is connected to the base frame through the first guide rail assembly, and the movable frame can move laterally relative to the base frame along the first guide rail assembly. The pushing cylinder is arranged on the base frame, and the movable end of the pushing cylinder is connected to the movable frame; The film rolling drum is arranged on the movable frame, and is used for rolling up the optical film. The rotary drive mechanism is connected to the shaft end of the film rolling drum to drive the film rolling drum to rotate. The fixed frame is arranged at the side end of the base frame away from the movable frame, the movable frame is provided with a first guide roller, and the fixed frame is provided with a second guide roller, the first guide roller and the second guide roller are used for guiding and conveying the optical film, the deflection correction sensor is connected to the side end of the fixed frame through a clamping arm, the deflection correction sensor is used for detecting the lateral offset position of the optical film, and the pushing cylinder is used for pushing the movable frame to move laterally relative to the base frame according to the lateral offset position of the optical film.

2. The automatic deviation-correcting conveying device for optical films according to claim 1, characterized in that: It also includes a third guide roller, a tensioning roller, a second guide rail assembly and an upper pull assembly; The third guide roller is arranged at the side end of the fixed frame away from the second guide roller, the tensioning roller is arranged between the second guide roller and the third guide roller, and the tensioning roller is slidably connected to the fixed frame through the second guide roller assembly, the bottom of the tensioning roller abuts against the optical film, the upper pulling assembly is connected to the tensioning roller, and the upper pulling assembly is used to apply an upward pulling force to the tensioning roller.

3. The automatic deviation-correcting conveying device for optical films according to claim 2, characterized in that: The pull-up assembly includes a counterweight, a chain and a gear; The gear is arranged on the fixing frame, one end of the chain is connected to the tensioning roller, and the other end of the chain passes through the gear and is connected to the counterweight.

4. The automatic deviation-correcting conveying device for optical films according to claim 1, characterized in that: The rotary drive mechanism comprises a driving motor, a driving pulley, a driven pulley and a transmission belt; The driving motor is arranged on the movable frame, the output shaft of the driving motor is connected to the driving pulley, the driven pulley is connected to the shaft end of the film rolling drum, and the driving pulley and the driven pulley are connected through the transmission belt.

5. The automatic deviation-correcting conveying device for optical films according to claim 4, characterized in that: The rotary drive mechanism also includes a tensioning pressure wheel, which is arranged on the side wall of the movable frame and abuts against the transmission belt.

6. The automatic deviation-correcting conveying device for optical films according to claim 5, characterized in that: The movable frame is provided with a slide groove for allowing the tensioning and pressing wheel to move to a certain position.

7. The automatic deviation-correcting conveying device for optical films according to claim 1, characterized in that: The bottom of the base frame is provided with supporting feet and moving pulleys.

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