Deviation rectifying and positioning mechanism for optical film production

Abstract

The utility model relates to the technical field of optical film production, and discloses a deviation rectifying and positioning mechanism for optical film production, which comprises an equipment base, an operation table fixedly mounted on the equipment base, a bracket arranged on the operation table, a wind-up roller arranged on the bracket, a fixed frame fixedly mounted on the operation table, and distributed at one end far away from the wind-up roller, a cut-off tool is arranged in the fixing frame, an air cylinder used for driving the cut-off tool to ascend and descend is arranged on the top face of the fixing frame, an optical film is wound on the winding roller, and deviation rectifying sensors which are symmetrical left and right are arranged on the operation table and distributed at the positions close to the fixing frame. And a deviation correcting mechanism for correcting the position deviation of the optical film is arranged on the operation table. And through cooperation of the movable frame and the deviation rectifying mechanism, deviation rectifying and positioning can be conveniently and rapidly conducted on the extended optical film, and the effect of automatically correcting the position of the optical film is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of optical film production, in particular to a deviation correction and positioning mechanism for optical film production. Background Art

[0002] Optical films include reflective films, anti-reflective films, polarizing films, interference filters, spectroscopes, etc. They have been widely used in national economy and national defense construction, and have received increasing attention from scientific and technological workers.

[0003] After searching the authorization announcement number CN 218950587 U, an automatic deviation correction device for winding and slitting for optical film production is disclosed. In view of the fact that the existing device is cumbersome to operate when correcting the optical film, and there is no limit structure after the correction, which leads to the problem of shaking during the slitting operation, the following scheme is proposed, which includes an operating table, two symmetrically arranged fixed plates are fixedly installed on the top of the operating table, a wire release roller is rotatably connected between the two fixed plates, a guide roller is rotatably connected to the operating table, a positioning shaft is rotatably connected to the top of the positioning shaft, a placement plate is fixedly installed on the top of the positioning shaft, a conveying device is provided on the placement plate, a deviation correction sensor is installed on the placement plate, an adjustment mechanism is provided on the operating table, and a cutting mechanism is provided on the top of the operating table. The above technical scheme is simple to operate, can facilitate the deviation correction of optical films, and can also facilitate the slitting of optical films to ensure the flatness of the end surface of the film.

[0004] In the above technical solution, the extended optical film is controlled to adjust its position under the transmission action of the adjustment mechanism by controlling the manual control adjustment mechanism. During manual adjustment, the adjustment efficiency is low and the adjustment accuracy is poor, resulting in a large error in the final position distribution of the optical film, making it difficult to achieve automated precise correction and positioning.

[0005] To this end, we propose a deviation correction and positioning mechanism for optical film production. Utility Model Content

[0006] The utility model mainly solves the above technical problems and provides a deviation correction and positioning mechanism for optical film production.

[0007] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a deviation correction and positioning mechanism for optical film production, comprising an equipment base, an operating table fixedly installed on the equipment base, a bracket provided on the operating table, a winding roller provided on the bracket, a fixed frame fixedly installed on the operating table, the fixed frame distributed at one end away from the winding roller, a cutting tool provided in the fixed frame, a cylinder for driving the cutting tool to rise and fall provided on the top surface of the fixed frame, an optical film is wound on the winding roller, one end of the optical film on the winding roller is pulled through the fixed frame and extended outward by an external traction mechanism, and the cutting tool is controlled by the cylinder to cut the optical film extended out;

[0008] The operating table is provided with left-right symmetrical deviation correction sensors, and the deviation correction sensors are distributed near the fixed frame;

[0009] The operating table is provided with a correction mechanism for correcting the position deviation of the optical film, and a movable frame is rotatably mounted on the top surface of the operating table through a driving shaft, and the correction mechanism is arranged inside the movable frame;

[0010] The deviation correction mechanism comprises a supporting roller and a positioning roller. The outer surfaces of the positioning rollers are respectively fixedly mounted with a slope positioning plate and an elastic positioning strip. The outer surface of the slope positioning plate is provided with dense anti-skid convex points.

[0011] Preferably, the movable frame is distributed between the winding roller and the fixed frame, and a mirror-distributed slide groove is provided on the top surface of the operating table at the position corresponding to the movable frame. A rolling ball shaft is movably installed on the bottom surface of the movable frame, and the rolling ball shaft is distributed in the slide groove.

[0012] Preferably, the supporting roller is rotatably installed in the movable frame, the positioning roller is rotatably installed in the movable frame through a shaft sleeve, and the positioning roller and the supporting roller are distributed correspondingly up and down.

[0013] Preferably, a micro motor is provided on the outer side surface of the movable frame, and the output end of the micro motor is fixedly connected to the shaft sleeve via a connecting shaft.

[0014] Preferably, the lower end of the driving shaft extends vertically downward into the device base, and a driving mechanism for controlling the free rotation of the driving shaft is provided in the device base.

[0015] Beneficial Effects

[0016] The utility model provides a deviation correction and positioning mechanism for optical film production, which has the following beneficial effects:

[0017] (1) A deflection correction and positioning mechanism for producing optical films. During the production process of the optical film, an external traction mechanism pulls one end of the optical film on the winding roller to extend outward through the deflection correction mechanism and the fixed frame in turn, and the optical film passes between the supporting roller and the positioning roller. When the outwardly extended optical film is detected to be positionally offset by the deflection correction sensor, the positioning roller is controlled to rotate so that the positioning roller drives the slope positioning plate to rotate downward. At this time, the optical film passing between the supporting roller and the positioning roller will be fixed under the squeezing action of the slope positioning plate. By controlling the rotation of the movable frame, the movable frame is slowly deflected to the left or right with the optical film fixed on the deflection correction mechanism until the optical film is corrected to the correct position at the fixed frame position. The extended optical film is conveniently and quickly deflected and positioned through the cooperation of the movable frame and the deflection correction mechanism, thereby achieving the effect of automatically correcting the position of the optical film.

[0018] (2) The correction and positioning mechanism for optical film production controls the positioning roller to rotate in the opposite direction after the extended optical film is corrected and positioned, so that the slope positioning plate moves away from the roller, thereby releasing the fixation of the optical film. During the resetting process of the slope positioning plate, the optical film is temporarily positioned by the elastic positioning strip, so as to prevent the optical film from adhering to the slope positioning plate and causing it to move with the rotation of the slope positioning plate, thereby achieving the effect of avoiding secondary displacement of the optical film. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the implementation of the utility model or the technical solution in the prior art, the following is a brief introduction to the drawings required for the implementation or the prior art description. Obviously, the drawings described below are only exemplary, and for ordinary technicians in this field, other implementation drawings can be derived from the provided drawings without creative work.

[0020] The structures, proportions, sizes, etc. disclosed in this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the restrictive conditions for the implementation of the utility model. Therefore, they have no substantive technical significance. Any modification of the structure, change in the proportion relationship or adjustment of the size should still fall within the scope of the technical content disclosed in the utility model without affecting the effects and purposes that can be achieved by the utility model.

[0021] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0022] Figure 2 This is a schematic diagram of the three-dimensional structure of the deviation correction mechanism of the utility model;

[0023] Figure 3 This is a schematic diagram of the three-dimensional structure of the supporting roller and the positioning roller of the utility model;

[0024] Figure 4 It is a schematic diagram of the three-dimensional structure of the slope positioning plate of the utility model.

[0025] Legend:

[0026] 1. Equipment base; 2. Operating table; 3. Bracket; 4. Winding roller; 5. Fixed frame; 6. Cylinder; 7. Cutting tool; 8. Correction sensor; 9. Movable frame; 10. Correction mechanism; 11. Slide; 12. Driving shaft; 13. Rolling ball shaft; 101. Roller; 102. Positioning roller; 103. Micro motor; 104. Bushing; 105. Connecting shaft; 106. Slope positioning plate; 107. Elastic positioning strip. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, 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.

[0028] Embodiment: A deviation correction and positioning mechanism for optical film production, such as Figure 1-Figure 4 As shown, the equipment base 1 includes an operating table 2 fixedly mounted on the equipment base 1, a bracket 3 is provided on the operating table 2, a winding roller 4 is provided on the bracket 3, a fixing frame 5 is fixedly mounted on the operating table 2, the fixing frame 5 is distributed at one end away from the winding roller 4, a cutting tool 7 is provided in the fixing frame 5, and a cylinder 6 for driving the cutting tool 7 to rise and fall is provided on the top surface of the fixing frame 5, an optical film is rolled up on the winding roller 4, one end of the optical film on the winding roller 4 is pulled through the fixing frame 5 and extended outwards by an external traction mechanism, and the cutting tool 7 is controlled by the cylinder 6 to cut the optical film extended out;

[0029] Furthermore, the operating table 2 is provided with a left-right symmetrical deflection correction sensor 8, which is distributed near the fixing frame 5. The deflection correction sensor 8 is convenient for detecting the position of the optical film extending outward, and detecting whether the extended optical film has a position deviation;

[0030] Furthermore, a correction mechanism 10 for correcting the position deviation of the optical film is provided on the operating table 2. A movable frame 9 is rotatably installed on the top surface of the operating table 2 through a driving shaft 12. The lower end of the driving shaft 12 extends vertically downward into the equipment base 1. A driving mechanism for controlling the free rotation of the driving shaft 12 is provided in the equipment base 1. The movable frame 9 is distributed between the winding roller 4 and the fixed frame 5. A slide groove 11 with left and right mirror distribution is opened at the top surface of the operating table 2 corresponding to the position of the movable frame 9. A rolling ball shaft 13 is movably installed on the bottom surface of the movable frame 9. The rolling ball shaft 13 is distributed in the slide groove 11. By controlling the driving shaft 12 to rotate left and right, the driving shaft 12 drives the movable frame 9 to swing left and right to change its position. When the movable frame 9 swings, the rolling ball shaft 13 will slide back and forth along the slide groove 11. The correction mechanism 10 is arranged inside the movable frame 9.

[0031] The deviation correction mechanism 10 includes a roller 101 and a positioning roller 102. The roller 101 is rotatably mounted in the movable frame 9. The positioning roller 102 is rotated in the movable frame 9 through a shaft sleeve 104. The positioning roller 102 and the roller 101 are distributed in a corresponding manner up and down. A micro motor 103 is provided on the outer side of the movable frame 9. The output end of the micro motor 103 is fixedly connected to the shaft sleeve 104 through a connecting shaft 105. The positioning roller 102 is controlled to rotate freely by the micro motor 103.

[0032] The outer surfaces of the positioning rollers 102 are respectively fixedly mounted with slope positioning plates 106 and elastic positioning strips 107. The outer surfaces of the slope positioning plates 106 are provided with dense anti-skid convex points. During the production process of the optical film, the external traction mechanism pulls one end of the optical film on the winding roller 4 to pass through the correction mechanism 10 and the fixed frame 5 in turn, and the optical film passes between the roller 101 and the positioning roller 102. When the optical film extending outward is detected to be positionally offset by the correction sensor 8, the positioning roller 102 is controlled to rotate so that the positioning roller 102 drives the slope positioning plate 106 to rotate downward. At this time, the optical film passing between the roller 101 and the positioning roller 102 will be fixed under the squeezing action of the slope positioning plate 106. By controlling the active The movable frame 9 rotates, so that the movable frame 9 slowly deflects to the left or right with the optical film fixed on the correcting mechanism 10, until the position of the optical film is corrected to the correct position through the position of the fixed frame 5. The extended optical film can be quickly corrected and positioned through the cooperation of the movable frame 9 and the correcting mechanism 10. After the extended optical film is corrected and positioned, the positioning roller 102 is controlled to rotate in the opposite direction to make the slope positioning plate 106 away from the roller 101, thereby releasing the fixation of the optical film. During the resetting process of the slope positioning plate 106, the optical film is temporarily positioned by the elastic positioning strip 107 to prevent the optical film from adhering to the slope positioning plate 106 and causing it to move with the rotation of the slope positioning plate 106.

[0033] The working principle of this utility model:

[0034] During the production process of the optical film, the external traction mechanism pulls one end of the optical film on the winding roller 4 to extend outward through the correcting mechanism 10 and the fixed frame 5 in sequence, and the optical film passes between the roller 101 and the positioning roller 102. When the optical film extending outward is detected to be positionally offset by the correcting sensor 8, the positioning roller 102 is controlled to rotate, so that the positioning roller 102 drives the slope positioning plate 106 to rotate downward. At this time, the optical film passing between the roller 101 and the positioning roller 102 will be fixed under the squeezing action of the slope positioning plate 106. By controlling the rotation of the movable frame 9, the movable frame 9 is slowly deflected to the left or right with the optical film fixed on the correcting mechanism 10, until the optical film position is corrected to the correct position at the position of the fixed frame 5. The cooperation between the movable frame 9 and the correcting mechanism 10 is convenient and fast to correct the extended optical film.

[0035] After the extended optical film is corrected and positioned, the positioning roller 102 is controlled to rotate in the opposite direction to move the slope positioning plate 106 away from the roller 101, thereby releasing the fixation of the optical film. During the resetting process of the slope positioning plate 106, the optical film is temporarily positioned by the elastic positioning strip 107 to prevent the optical film from adhering to the slope positioning plate 106 and causing it to move as the slope positioning plate 106 rotates.

[0036] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A deviation correction and positioning mechanism for optical film production, comprising an equipment base (1), an operating table (2) fixedly mounted on the equipment base (1), a bracket (3) disposed on the operating table (2), a winding roller (4) disposed on the bracket (3), a fixed frame (5) fixedly mounted on the operating table (2), the fixed frame (5) being distributed at one end away from the winding roller (4), a cutting tool (7) disposed inside the fixed frame (5), a cylinder (6) for driving the cutting tool (7) to rise and fall is disposed on the top surface of the fixed frame (5), an optical film is wound on the winding roller (4), one end of the optical film on the winding roller (4) is pulled through the fixed frame (5) and extended outward by an external traction mechanism, and the cutting tool (7) is controlled by the cylinder (6) to cut the optical film extended outward; Features: The operating table (2) is provided with left-right symmetrical deviation correction sensors (8), and the deviation correction sensors (8) are distributed near the fixing frame (5); The operating table (2) is provided with a correction mechanism (10) for correcting the position deviation of the optical film, and a movable frame (9) is rotatably mounted on the top surface of the operating table (2) via a driving shaft (12), and the correction mechanism (10) is arranged inside the movable frame (9); The deviation correction mechanism (10) comprises a support roller (101) and a positioning roller (102), the outer surface of the positioning roller (102) being respectively fixedly mounted with a slope positioning plate (106) and an elastic positioning strip (107), and the outer surface of the slope positioning plate (106) being provided with dense anti-slip convex points.

2. The deviation correction and positioning mechanism for optical film production according to claim 1, characterized in that: The movable frame (9) is distributed between the winding roller (4) and the fixed frame (5); a sliding groove (11) with mirror distribution on the left and right is opened at the top surface of the operating table (2) corresponding to the position of the movable frame (9); a rolling ball shaft (13) is movably installed on the bottom surface of the movable frame (9); and the rolling ball shaft (13) is distributed in the sliding groove (11).

3. The deviation correction and positioning mechanism for optical film production according to claim 1, characterized in that: The supporting roller (101) is rotatably mounted in the movable frame (9), and the positioning roller (102) is rotatably mounted in the movable frame (9) via a shaft sleeve (104). The positioning roller (102) and the supporting roller (101) are correspondingly distributed up and down.

4. The deviation correction and positioning mechanism for optical film production according to claim 3, characterized in that: A micro motor (103) is provided on the outer side surface of the movable frame (9), and the output end of the micro motor (103) is fixedly connected to the shaft sleeve (104) via a connecting shaft (105).

5. The deviation correction and positioning mechanism for optical film production according to claim 1, characterized in that: The lower end of the driving shaft (12) extends vertically downward into the device base (1), and a driving mechanism for controlling the free rotation of the driving shaft (12) is provided in the device base (1).

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