PFT optical film winding device capable of correcting deviation

By designing a deviation correction mechanism and an anti-biasing mechanism in the optical film winding device, the problem of the optical film being easily offset and distorted during the transmission process is solved, and the stable winding of the optical film is achieved.

CN222612506UActive Publication Date: 2025-03-14ANHUI GUOFENG PLASTIC
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202421084852.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-17
Publication Date
2025-03-14
Estimated Expiration
2034-05-17

AI Technical Summary

Technical Problem

The existing optical film winding device is prone to deviation under the driving of the tension roller, which leads to severe deviation of the optical film, and it is difficult to correct the limit only through the limit block.

Method used

A PFT optical film winding device including a bias correction mechanism and an anti-biasing mechanism is designed. The deviation correction mechanism can fine-tune the fourth roller to reset the optical film through the coordination of the first to third rollers and the driving of the cylinder; the deviation prevention mechanism can adjust the limit disc spacing to prevent the optical film from deviating through the coordination of the worm, the worm gear and the bidirectional threaded rod.

Benefits of technology

It effectively avoids the optical film offset during the transmission process, ensures that the optical film is slow and neat during the winding process, and avoids deviation.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222612506U_ABST
    Figure CN222612506U_ABST
Patent Text Reader

Abstract

The utility model discloses a PFT optical film winding device capable of rectifying deviation. The PFT optical film winding device comprises a deviation rectifying mechanism and an air cylinder installed on one side of the deviation rectifying mechanism. An anti-deviation mechanism is arranged above the deviation rectifying mechanism, and the bottom of the anti-deviation mechanism is fixedly connected to the top end of the base; the deviation rectifying mechanism comprises a base, a supporting table is fixedly connected to one side of the top of the base, and a first roller is arranged on one side of the top of the supporting table; wherein a second roller is arranged on the side, close to the first roller, of the supporting table, a third roller is arranged on the side, close to the second roller, of the supporting table, and a PFT optical film body is connected to one side of the third roller in an attached mode; the PFT optical film body can be prevented from deviating in the conveying process by arranging the deviation correcting mechanism, the distance between the two limiting discs can be adjusted according to the width of the PFT optical film body by arranging the deviation preventing mechanism, and it can be ensured that the PFT optical film body is slowly and neatly wound.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of optical film production equipment, in particular to a PFT optical film winding device capable of correcting deviation. Background Art

[0002] Optical film is composed of thin layered media, a type of optical medium material that propagates light beams through interfaces. Optical thin film devices include reflective films, anti-reflective films, polarizing films, interference filters and spectrometers. In the production of optical films, it is sometimes necessary to roll up the optical film to save storage space.

[0003] Publication No. CN214934433U discloses a winding device for an optical film. The limit blocks can limit the movement of the optical film in the width direction to prevent the optical film from deviating. The distance of the limit blocks can be adjusted to be used for optical films of different widths, thereby improving the application range of the winding device. However, the patent still has the following problems in actual use:

[0004] Although the winding device of the optical film can limit the movement of the optical film in the width direction through the limit block to prevent the optical film from deviating, the tension roller is easily deviated when driven by the optical film, which causes the deviation of the optical film to become serious. It is difficult to correct it by only limiting the position of the optical film through the limit block.

[0005] A PFT optical film winding device capable of correcting deviation is proposed to solve the above-mentioned problems. Utility Model Content

[0006] The purpose of the utility model is to provide a PFT optical film winding device with deviation correction, so as to solve the problem proposed in the above background technology that the movement of the optical film in the width direction can be limited by the limit block to prevent the optical film from deviating, but the tension roller is easily deviated when driven by the optical film, thereby causing the deviation of the optical film to become serious. It is difficult to correct the problem by only limiting the position of the optical film by the limit block.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a PFT optical film winding device capable of correcting deviation, comprising a correcting mechanism, and a cylinder installed on one side of the correcting mechanism;

[0008] An anti-deflection mechanism is arranged above the deflection correction mechanism, and the bottom of the anti-deflection mechanism is fixedly connected to the top of the base;

[0009] Also includes:

[0010] The deviation correction mechanism comprises a base, one side of the top of the base is fixedly connected to a support platform, and one side of the top of the support platform is provided with a first roller;

[0011] Wherein, a second roller is arranged on one side of the support platform close to the first roller, a third roller is arranged on one side of the support platform close to the second roller, and a PFT optical film body is bonded and connected to one side of the third roller;

[0012] A correction frame is fixedly connected to one side of the support platform away from the third roller, one end of the correction frame is fixedly connected to the cylinder, and the output end of the cylinder passes through the correction frame and is fixedly connected to a connecting block.

[0013] Preferably, guide rails are slidably connected inside both ends of the connection block, both ends of the two guide rails are fixedly connected to the deviation correction frame, and the top side of the connection block is fittedly connected to a support block.

[0014] Preferably, a bolt is connected to the internal thread of one end of the support block, one end of the bolt is threadedly connected to the connecting block, and the other end of the support block is rotatably connected to the fourth roller.

[0015] Preferably, one side of the fourth roller is fitted and connected to the PFT optical film body, sensors are symmetrically arranged at both ends of the PFT optical film body close to the fourth roller, and the bottoms of the two sensors are fixedly connected to the support platform.

[0016] Preferably, the anti-deviation mechanism comprises a winding frame, the bottom of the winding frame is fixedly connected to the base, and both ends of one side of the top of the winding frame are fixedly connected to support plates.

[0017] Preferably, a worm is rotatably connected to one side of the two support plates, one end of the worm passes through the support plate and is fixedly connected to a wheel plate, one side of both ends of the worm is meshingly connected to a worm wheel, and the inside of the two worm wheels are fixedly connected to a bidirectional threaded rod.

[0018] Preferably, the end of the bidirectional threaded rod away from the worm gear is rotatably connected to the winding frame, and both ends of the bidirectional threaded rod are symmetrically threaded with threaded sleeves, and the inside of one end of the two threaded sleeves is fixedly connected with bearings, and the inner wall of the bearing is fixedly connected with a roller shaft, and both ends of the roller shaft are rotatably connected to the winding frame, one side of the roller shaft is fit-connected to the PFT optical film body, and both ends of the PFT optical film body close to the roller shaft are fit-connected with a limiting plate, the inside of the limiting plate is rotatably connected to the roller shaft, and one end of the limiting plate is fixedly connected to the bearing, and a fifth roller is provided at both ends of the bottom of the winding frame.

[0019] Compared with the prior art, the utility model has the following beneficial effects: the PFT optical film winding device capable of correcting deviation can avoid the deviation of the PFT optical film body during the transmission process by setting a correcting mechanism, and can adjust the distance between the two limit disks according to the width of the PFT optical film body by setting an anti-deflection mechanism, so as to ensure that the PFT optical film body is slowly and neatly wound up. The specific contents are as follows:

[0020] 1. The deviation correction mechanism can be set to avoid the deviation of the PFT optical film body during the transmission process. The cooperation between the first roller, the second roller, the third roller and the PFT optical film body can keep the PFT optical film body in a taut state. When the PFT optical film body deviates, the sensor sends a signal to the controller, and the cylinder is started by the controller. The piston rod of the cylinder drives the connecting block to slide on the outside of the guide rail, so as to fine-tune the fourth roller and reset the PFT optical film body.

[0021] 2. By setting up an anti-deviation mechanism, the distance between the two limit disks can be adjusted according to the width of the PFT optical film body, which can ensure that the PFT optical film body can be rolled up slowly and neatly. The worm is driven to rotate by the wheel, and the meshing action between the worm and the worm wheel is utilized to drive the bidirectional threaded rod to rotate. The thread action between the bidirectional threaded rod and the threaded sleeve is utilized to drive the bearing to move on the surface of the roller. The distance between the limit disks can be adjusted according to the width of the PFT optical film body to avoid deviation of the PFT optical film body when it is rolled up. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0023] Figure 2 For this utility model Figure 1 A schematic diagram of the enlarged structure of the middle deviation-correcting mechanism;

[0024] Figure 3 For this utility model Figure 2 Schematic diagram of the structure of the middle support platform from a top view;

[0025] Figure 4 For this utility model Figure 3 The enlarged structural diagram at A in the middle;

[0026] Figure 5 For this utility model Figure 1 Schematic diagram of the structure of the central anti-deflection mechanism from top view;

[0027] Figure 6 For this utility model Figure 5 Enlarged structural diagram at B in the middle.

[0028] In the figure: 1. deviation correction mechanism; 101. base; 102. support table; 103. first roller; 104. second roller; 105. third roller; 106. PFT optical film body; 107. deviation correction frame; 108. cylinder; 109. connecting block; 110. guide rail; 111. support block; 112. bolt; 113. fourth roller; 114. sensor; 2. anti-deviation mechanism; 201. winding frame; 202. support plate; 203. worm; 204. wheel; 205. worm wheel; 206. bidirectional threaded rod; 207. threaded sleeve; 208. bearing; 209. roller shaft; 210. limit plate; 211. fifth roller. DETAILED DESCRIPTION

[0029] 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 implementation regulations described are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of 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.

[0030] See also Figure 1-6 The utility model provides a technical solution: a PFT optical film winding device capable of correcting deflection, comprising a deflection correcting mechanism 1, and a cylinder 108 installed on one side of the deflection correcting mechanism 1; an anti-deflection mechanism 2 is arranged above the deflection correcting mechanism 1, and the bottom of the anti-deflection mechanism 2 is fixedly connected to the top of a base 101; the deflection correcting mechanism 1 comprises a base 101, a support platform 102 is fixedly connected to one side of the top of the base 101, a first roller 103 is arranged on one side of the top of the support platform 102, and the support platform 102 is close to the first roller 103. A second roller 104 is disposed on one side of the support platform 103, a third roller 105 is disposed on one side of the support platform 102 close to the second roller 104, and a PFT optical film body 106 is bonded to one side of the third roller 105, wherein the bottoms of the first roller 103, the second roller 104 and the third roller 105 are all rotatably connected with a bracket, the bottom of the bracket is fixedly connected to the support platform 102, and the first roller 103, the second roller 104 and the third roller 105 are all bonded to the PFT optical film body 106;

[0031] A correction frame 107 is fixedly connected to one side of the support platform 102 away from the third roller 105. One end of the correction frame 107 is fixedly connected to a cylinder 108. The output end of the cylinder 108 passes through the correction frame 107 and is fixedly connected to a connecting block 109. The connecting block 109 is driven by the cylinder 108 to slide on the outer side of the guide rail 110.

[0032] The two ends of the connection block 109 are slidably connected with guide rails 110, and the two ends of the two guide rails 110 are fixedly connected to the correction frame 107. The top side of the connection block 109 is attached with a support block 111, and the correction frames 107 are symmetrically arranged on both sides of the PFT optical film body 106.

[0033] The inner thread of one end of the support block 111 is connected with a bolt 112, one end of the bolt 112 is threadedly connected to the connecting block 109, and the other end of the support block 111 is rotatably connected with a fourth roller 113. The position of the support block 111 on the surface of the connecting block 109 can be changed by setting the bolt 112;

[0034] One side of the fourth roller 113 is fitted and connected with the PFT optical film body 106. Sensors 114 are symmetrically arranged at both ends of the PFT optical film body 106 close to the fourth roller 113. The bottoms of the two sensors 114 are fixedly connected to the support platform 102. One end of the sensor 114 is connected to a controller, and one end of the controller is connected to the signal input end of the cylinder 108. The cylinder 108 can be started and stopped by the controller.

[0035] The anti-deviation mechanism 2 includes a winding frame 201, the bottom of the winding frame 201 is fixedly connected to the base 101, and both ends of one side of the top of the winding frame 201 are fixedly connected to support plates 202, one side of the two support plates 202 is rotatably connected to a worm 203, one end of the worm 203 penetrates the support plate 202 and is fixedly connected to a wheel 204, one side of both ends of the worm 203 is meshedly connected to a worm wheel 205, and the inside of the two worm wheels 205 is fixedly connected to a bidirectional threaded rod 206, the worm 203 is driven to rotate through the wheel 204, and the meshing action between the worm 203 and the worm wheel 205 is utilized to drive the bidirectional threaded rod 206 to rotate;

[0036] One end of the bidirectional threaded rod 206 away from the worm gear 205 is rotatably connected to the winding frame 201, and both ends of the bidirectional threaded rod 206 are symmetrically threadedly connected with threaded sleeves 207, and the inner part of one end of the two threaded sleeves 207 is fixedly connected with bearings 208, and the inner wall of the bearing 208 is fixedly connected with a roller shaft 209, and both ends of the roller shaft 209 are rotatably connected to the winding frame 201, and one side of the roller shaft 209 is fit-connected with the PFT optical film body 106, and both ends of the PFT optical film body 106 close to the roller shaft 209 are fit-connected with a limiting disk 210, and the interior of the limiting disk 210 is rotatably connected to the roller shaft 209, and one end of the limiting disk 210 is fixedly connected to the bearing 208, and the fifth roller 211 is provided at both ends of the bottom of the winding frame 201, and one end of the fifth roller 211 on the right side of the bottom of the winding frame 201 is fixedly connected to the output end of the motor, and the fifth roller 211 on the right side is the winding roller of the PFT optical film body 106.

[0037] Working principle: Before using this PFT optical film winding device with corrective function, you need to check the overall condition of the device to make sure it can work normally. Figure 1 - Figure 6 As shown, firstly, the motor is started to drive the fifth roller 211 to rotate, so that the PFT optical film body 106 can be driven to slowly move forward and be rolled up. By utilizing the cooperation among the first roller 103, the second roller 104, the third roller 105 and the PFT optical film body 106, the PFT optical film body 106 can be in a taut state. When the PFT optical film body 106 deviates, the sensor 114 sends a signal to the controller, and the cylinder 108 is started by the controller. The piston rod of the cylinder 108 drives the connecting block 109 to slide on the outside of the guide rail 110, so as to fine-tune the fourth roller 113, so that the PFT optical film body 106 can be reset, and the PFT optical film body 106 can be in a straight state when entering the rolling frame 201.

[0038] Secondly, the worm 203 is driven to rotate by the wheel 204, and the meshing action between the worm 203 and the worm wheel 205 is utilized to drive the bidirectional threaded rod 206 to rotate, and the thread action between the bidirectional threaded rod 206 and the threaded sleeve 207 is utilized to drive the bearing 208 to move on the surface of the roller 209. The spacing between the limit plates 210 can be adjusted according to the width of the PFT optical film body 106 to avoid deviation of the PFT optical film body 106 when it is rolled up.

[0039] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A PFT optical film winding device capable of correcting deflection, comprising a correcting mechanism (1), and a cylinder (108) installed on one side of the correcting mechanism (1); An anti-deflection mechanism (2) is provided above the deflection correction mechanism (1), and the bottom of the anti-deflection mechanism (2) is fixedly connected to the top of the base (101); It is characterized in that Also includes: The deviation-correcting mechanism (1) comprises a base (101), one side of the top of the base (101) is fixedly connected to a support platform (102), and one side of the top of the support platform (102) is provided with a first roller (103); Wherein, a second roller (104) is arranged on one side of the support platform (102) close to the first roller (103), a third roller (105) is arranged on one side of the support platform (102) close to the second roller (104), and a PFT optical film body (106) is bonded to one side of the third roller (105); A correction frame (107) is fixedly connected to one side of the support platform (102) away from the third roller (105); one end of the correction frame (107) is fixedly connected to a cylinder (108); an output end of the cylinder (108) passes through the correction frame (107) and is fixedly connected to a connection block (109).

2. The PFT optical film winding device capable of correcting deviation according to claim 1, characterized in that: Both ends of the connection block (109) are slidably connected to guide rails (110), both ends of the two guide rails (110) are fixedly connected to the deviation correction frame (107), and the top side of the connection block (109) is fittedly connected to a support block (111).

3. The PFT optical film winding device capable of correcting deviation according to claim 2, characterized in that: A bolt (112) is internally threadedly connected to one end of the support block (111), one end of the bolt (112) is threadedly connected to the connection block (109), and the other end of the support block (111) is rotatably connected to a fourth roller (113).

4. The PFT optical film winding device capable of correcting deviation according to claim 3, characterized in that: One side of the fourth roller (113) is fitted and connected to the PFT optical film body (106), and sensors (114) are symmetrically arranged at both ends of the PFT optical film body (106) close to the fourth roller (113), and the bottoms of the two sensors (114) are fixedly connected to the support platform (102).

5. The PFT optical film winding device capable of correcting deviation according to claim 1, characterized in that: The anti-deviation mechanism (2) comprises a winding frame (201), the bottom of the winding frame (201) is fixedly connected to the base (101), and both ends of one side of the top of the winding frame (201) are fixedly connected to support plates (202).

6. The PFT optical film winding device capable of correcting deviation according to claim 5, characterized in that: A worm (203) is rotatably connected to one side of the two support plates (202), one end of the worm (203) passes through the support plate (202) and is fixedly connected to a wheel disc (204), one side of both ends of the worm (203) is meshingly connected to a worm wheel (205), and the insides of the two worm wheels (205) are fixedly connected to a bidirectional threaded rod (206).

7. The PFT optical film winding device capable of correcting deviation according to claim 6, characterized in that: One end of the bidirectional threaded rod (206) away from the worm gear (205) is rotatably connected to the winding frame (201), and both ends of the bidirectional threaded rod (206) are symmetrically threadedly connected with threaded sleeves (207), and the interior of one end of the two threaded sleeves (207) is fixedly connected with bearings (208), and the inner wall of the bearing (208) is fixedly connected with a roller shaft (209), and both ends of the roller shaft (209) are rotatably connected to the winding frame (201), and one side of the roller shaft (209) is fitted and connected to the PFT optical film body (106), and both ends of the PFT optical film body (106) close to the roller shaft (209) are fitted and connected with a limit plate (210), and the interior of the limit plate (210) is rotatably connected to the roller shaft (209), and one end of the limit plate (210) is fixedly connected to the bearing (208), and the fifth roller (211) is provided at both ends of the bottom of the winding frame (201).