Automatic flattening structure for transfer film processing

Abstract

The utility model relates to transfer film processing technical field, and disclose a kind of automatic flattening structure for transfer film processing, flattening mechanism is composed of dust sticking rubber roller, pre-cut dust sticking paper roll, dust sticking rubber roller inside is integrated with heating element;It can be adapted to different material transfer film, enhanced the versatility of equipment, adjusting mechanism is used to adjust transfer film tension;Monitoring module includes infrared photoelectric sensor and tension sensor, infrared photoelectric sensor and tension sensor are electrically connected with control unit respectively, control unit is based on the signal of infrared photoelectric sensor and tension sensor, action of adjusting mechanism and flattening mechanism is controlled by PID algorithm, to realize closed-loop regulation, can timely discover and correct film surface uneven and tension abnormal problem.Flattening mechanism adopts the combination of dust sticking rubber roller and pre-cut dust sticking paper roll, can effectively remove transfer film surface pollutant, ensure the cleanliness of film surface, improve transfer film quality.

Description

Technical Field

[0001] This utility model belongs to the field of transfer film processing technology, and specifically relates to an automatic leveling structure for transfer film processing. Background Technology

[0002] Transfer films have wide applications in modern industrial production, such as electronics, packaging, and decoration. During the processing of transfer films, the smoothness and cleanliness of the film surface are crucial to the quality of the final product. Contaminants, wrinkles, and unstable tension on the film surface can severely affect the performance and appearance of the transfer film, thus impacting its effectiveness in subsequent processes.

[0003] In traditional transfer membrane processing, cleaning and tension adjustment of the membrane surface often employ relatively simple methods. For example, in cleaning, surface dust may be removed simply by wiping or blowing air, but this is ineffective in removing some sticky contaminants; as publicly announced.

[0004] A high-gloss transfer film production coating machine automatic leveling structure (CN212093051U) uses scrapers on two mounting plates to level the surface of the high-gloss transfer film, reducing wrinkles and improving coating efficiency. However, this automatic leveling structure is ineffective at removing sticky contaminants from the transfer film surface. These contaminants can affect the film's optical and adhesive properties, reducing product quality. Furthermore, it lacks real-time monitoring of the film's surface flatness and tension, making it impossible to detect surface problems promptly.

[0005] In view of this, we propose an automatic leveling structure for transfer film processing to solve the above problems. Utility Model Content

[0006] The present invention aims to solve the technical problem of the difficulty in cleaning contaminants on the surface of the transfer membrane in the prior art.

[0007] To achieve the above objectives, this utility model provides the following technical solution:

[0008] An automatic leveling structure for transfer film processing includes:

[0009] The sweeping mechanism consists of at least one pair of adhesive rollers symmetrically arranged on the upper and lower surfaces of the transfer film and a pre-cut adhesive paper roll. The contaminants on the upper and lower surfaces of the transfer film are captured by the adhesive rollers and transferred to the pre-cut adhesive paper roll. The adhesive rollers have integrated heating elements.

[0010] The adjustment mechanism includes a servo motor, a linear lead screw, and a guide rod. The linear lead screw is connected to the leveling mechanism via a lead screw nut. The servo motor drives the linear lead screw to rotate, which in turn moves the leveling mechanism up and down to adjust the tension of the transfer film.

[0011] The monitoring module includes an infrared photoelectric sensor and a tension sensor to monitor the flatness and tension data of the membrane surface in real time. The infrared photoelectric sensor and the tension sensor are electrically connected to the control unit. Based on the signals from the infrared photoelectric sensor and the tension sensor, the control unit controls the action of the adjustment mechanism and the leveling mechanism through a PID algorithm to achieve closed-loop regulation.

[0012] Preferably, the two sticky adhesive rollers arranged symmetrically on the top and bottom rotate in opposite directions, the two pre-cut sticky adhesive paper rolls arranged symmetrically on the top and bottom rotate in opposite directions, and the upper pre-cut sticky adhesive paper roll rotates in the opposite direction to the upper sticky adhesive roller.

[0013] Preferably, the upper adhesive roller and the upper pre-cut adhesive paper roll are fixed to the upper support via bearing seat A, and the lower adhesive roller and the lower pre-cut adhesive paper roll are fixed to the lower support via bearing seat A.

[0014] Preferably, the adjustment mechanism also includes a convex frame and a movable slide. The linear lead screw and guide rod are arranged vertically on the convex frame. The linear lead screw is rotatably connected to the convex frame and fixedly connected to the output shaft of the servo motor fixedly installed on the top of the convex frame. There are two guide rods and they are fixed on the inner side of the convex frame. The movable slide is connected to the linear lead screw through a lead screw nut and the movable slide cooperates with the guide rod to slide and guide.

[0015] The upper and lower supports are fixedly connected to two symmetrically arranged C-shaped frames on the left and right sides, respectively, and the outer side of the C-shaped frame on the left is fixedly connected to a sliding table.

[0016] Preferably, the outer side of the U-shaped frame on the right is fixedly connected to the guide slider, and the guide slider cooperates with the vertical guide rod on the right support to guide the sliding.

[0017] Preferably, two infrared photoelectric sensors are provided and are respectively installed between the feed end of the transfer film and the leveling mechanism, and between the leveling mechanism and the discharge end of the transfer film.

[0018] Preferably, three tension sensors are provided, which are respectively installed on the bearing housing of the guide roller at the feed end, the bearing housing of the adhesive roller at the dust-collecting end, and the bearing housing of the floating roller at the discharge end.

[0019] Compared with the prior art, the technical effects and advantages of this utility model are:

[0020] This automatic leveling structure for transfer film processing integrates a leveling mechanism, an adjusting mechanism, and a monitoring module. As the transfer film moves from the inlet to the outlet, the symmetrically arranged adhesive rollers in the leveling mechanism rotate in opposite directions, capturing contaminants on the upper and lower surfaces of the transfer film. These contaminants are then transferred by a pre-cut adhesive paper roll rotating in the opposite direction. Heating elements within the adhesive rollers can adjust the temperature according to the transfer film material to improve cleaning efficiency. The adjusting mechanism relies on a servo motor to drive a linear lead screw, which in turn moves the leveling mechanism up and down to adjust the transfer film tension. The monitoring module uses an infrared photoelectric sensor to monitor film surface flatness and a tension sensor to detect tension at different locations. Based on these sensor signals, the control unit employs a PID algorithm to control the actions of the adjusting and leveling mechanisms, achieving closed-loop regulation.

[0021] The leveling mechanism combines a sticky adhesive roller with a pre-cut sticky adhesive paper roll, effectively removing contaminants from the transfer film surface, ensuring film cleanliness, and improving transfer film quality. The pre-cut sticky adhesive paper roll is easy to replace, maintaining continuous cleaning effectiveness and reducing maintenance costs. Furthermore, the integrated heating element within the sticky adhesive roller provides temperature control, adapting to transfer films of different materials, enhancing the equipment's versatility, and reducing wrinkles on the high-gloss transfer film surface, further improving product quality.

[0022] The adjustment mechanism, utilizing a servo motor and linear lead screw, achieves precise adjustment of the transfer film tension. The precise speed and position control of the servo motor, along with the coordination of components such as the guide rod and moving slide, ensures the accuracy, stability, and reliability of tension adjustment. The monitoring module acquires real-time data on film surface flatness and tension through multiple infrared photoelectric sensors and tension sensors. The control unit uses a PID algorithm for closed-loop adjustment, enabling timely detection and correction of film surface unevenness and tension anomalies, ensuring stable film surface flatness and tension, and significantly improving the quality and stability of transfer film processing. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the structure of this utility model;

[0024] Figure 2 This is a schematic diagram of the structure of the present invention after the guide roller and floating roller have been removed;

[0025] Figure 3 This utility model Figure 2 Exploded view;

[0026] Figure 4 This is a diagram showing the rotation state of the adhesive roller and pre-cut adhesive paper roll of this utility model.

[0027] In the diagram: 1. Transfer film; 2. Adhesive roller; 3. Pre-cut adhesive paper roll; 4. Contaminant; 5. Bearing seat A; 6. Upper support; 7. Lower support; 8. C-shaped frame; 9. Moving slide; 10. Servo motor; 11. Linear lead screw; 12. Guide rod; 13. C-shaped frame; 14. Guide slider; 15. Right side support; 16. Vertical guide rod; 17. Infrared photoelectric sensor; 18. Heating element; 19. Control unit; 20. Tension sensor; 21. Guide roller; 22. Floating roller. Detailed Implementation

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0029] The following combination Figures 1 to 4 This application will be described in further detail.

[0030] This application discloses an automatic leveling structure for transfer film processing, including a leveling mechanism, an adjustment mechanism, and a monitoring module;

[0031] The sweeping mechanism consists of at least one pair of adhesive rollers 2 symmetrically arranged on the upper and lower surfaces of the transfer film 1, and pre-cut adhesive paper rolls 3. Contaminants 4 on the upper and lower surfaces of the transfer film 1 are captured by the adhesive rollers 2 and transferred to the pre-cut adhesive paper rolls 3, ensuring the cleanliness of the transfer film 1 surface and improving its quality. The pre-cut adhesive paper rolls 3 can be easily replaced after a period of use, ensuring continuous cleaning effectiveness and reducing maintenance costs.

[0032] The adhesive roller 2 integrates a heating element 18; the temperature of the heating element 18 is controllable to adapt to different materials of the transfer film 1; the controllable temperature of the heating element 18 can adjust the temperature of the adhesive roller 2 according to the characteristics of different materials of the transfer film 1, thereby achieving the best cleaning effect and improving the versatility of the equipment.

[0033] like Figure 4 As shown, the two symmetrically arranged adhesive rollers 2 rotate in opposite directions, as do the two symmetrically arranged pre-cut adhesive paper rolls 3. Furthermore, the upper pre-cut adhesive paper roll 3 rotates in the opposite direction to the upper adhesive roller 2. This arrangement allows for a reasonable relative movement between the adhesive rollers 2 and the pre-cut adhesive paper rolls 3, more effectively transferring contaminants 4 from the adhesive rollers 2 to the adhesive paper rolls.

[0034] The upper adhesive roller 2 and the upper pre-cut adhesive paper roll 3 are fixed to the upper support 6 by bearing seat A5, and the lower adhesive roller 2 and the lower pre-cut adhesive paper roll 3 are fixed to the lower support 7 by bearing seat A5.

[0035] The adjustment mechanism includes a servo motor 10, a linear lead screw 11, a guide rod 12, a mortise frame 8, and a movable slide table 9. The linear lead screw 11 is connected to the leveling mechanism via a lead screw nut. The servo motor 10 drives the linear lead screw 11 to rotate, thereby moving the leveling mechanism up and down to adjust the tension of the transfer film 1.

[0036] Linear lead screw 11 and guide rod 12 are arranged vertically on the convex frame 8. The linear lead screw 11 is rotatably connected to the convex frame 8 and fixedly connected to the output shaft of the servo motor 10 fixedly installed on the top of the convex frame 8. There are two guide rods 12 and they are fixed on the inner side of the convex frame 8. The movable slide 9 is connected to the linear lead screw 11 through the lead screw nut and the movable slide 9 cooperates with the guide rod 12 to slide and guide.

[0037] The upper support 6 and the lower support 7 are fixedly connected to two symmetrically arranged C-shaped frames 13 on their left and right sides, respectively, and the outer side of the C-shaped frame 13 on the left is fixedly connected to the sliding table 9.

[0038] The outer side of the right-side C-shaped frame 13 is fixedly connected to the guide slider 14, and the guide slider 14 cooperates with the vertical guide rod 16 on the right-side bracket 15 to guide the sliding.

[0039] The linear lead screw 11 is driven to rotate by the servo motor 10, which in turn moves the leveling mechanism up and down, enabling precise adjustment of the tension of the transfer film 1. The servo motor 10 provides precise speed and position control, ensuring accurate tension adjustment. The cooperation between the guide rod 12 and the moving slide 9 provides stable guidance for the up and down movement of the leveling mechanism, preventing swaying or deviation during movement and ensuring the stability and reliability of tension adjustment. The U-shaped frame 8 provides reliable support for the linear lead screw 11 and the guide rod 12, giving the entire adjustment mechanism high structural strength and stability, enabling it to withstand certain external forces and vibrations.

[0040] The monitoring module includes an infrared photoelectric sensor 17 and a tension sensor 20, which monitor the flatness and tension data of the membrane surface in real time. The infrared photoelectric sensor 17 and the tension sensor 20 are electrically connected to the control unit 19. Based on the signals from the infrared photoelectric sensor 17 and the tension sensor 20, the control unit 19 controls the action of the adjustment mechanism and the leveling mechanism through a PID algorithm to achieve closed-loop adjustment.

[0041] Two infrared photoelectric sensors 17 are provided and are respectively installed between the feed end of the transfer film 1 and the leveling mechanism, and between the leveling mechanism and the discharge end of the transfer film 1. The infrared photoelectric sensor 17 between the feed end and the leveling mechanism is used to monitor the untreated film surface state in real time and provide initial data to the control unit 19; the infrared photoelectric sensor 17 between the leveling mechanism and the discharge end is used to detect the quality of the film surface after leveling, forming a closed-loop feedback.

[0042] Three tension sensors 20 are provided, respectively installed on the bearing seat of the guide roller 21 at the feeding end, on the bearing seat A5 of the adhesive roller 2, and on the bearing seat of the floating roller 22 at the discharging end. The tension sensor 20 on the bearing seat of the guide roller 21 at the feeding end detects the initial tension before entering the leveling mechanism. The tension sensor 20 on the bearing seat A5 of the adhesive roller 2 directly measures the dynamic tension during the leveling process. The tension sensor 20 on the floating roller 22 at the discharging end indirectly calculates the tension through the displacement change of the floating roller 22, ensuring stable discharge tension.

[0043] An infrared photoelectric sensor 17 between the feed end and the leveling mechanism provides initial data on the unprocessed film surface, while an infrared photoelectric sensor 17 between the leveling mechanism and the discharge end detects the quality of the film surface after leveling. Through the cooperation of these two sensors, a closed-loop feedback is formed, and the control unit 19 can adjust the actions of the adjustment mechanism and the leveling mechanism in a timely manner based on the feedback information to ensure the stability of the film surface flatness.

[0044] Three tension sensors 20 are respectively installed on the bearing housing of the guide roller 21 at the feeding end, the bearing housing A5 of the adhesive roller 2 at the dust-adhesive end, and the bearing housing of the floating roller 22 at the discharging end, enabling comprehensive monitoring of the tension of the transfer film 1 at different positions. The sensor at the feeding end detects the initial tension, the sensor at the adhesive roller 2 measures the dynamic tension, and the sensor at the discharging end ensures stable discharging tension, providing accurate data support for precise tension control.

[0045] Based on the signals from the infrared photoelectric sensor 17 and the tension sensor 20, the control unit 19 controls the actions of the adjustment mechanism and the leveling mechanism through a PID algorithm to achieve closed-loop regulation. The PID algorithm can automatically adjust the control parameters according to the deviation between the actual measured value and the set value, so that the system can quickly and stably reach the set target value, thereby improving the quality and stability of the transfer film 1 processing.

[0046] The operation procedure for the automatic leveling structure used in the transfer film processing is as follows:

[0047] Install the transfer film 1 onto the processing equipment, ensuring that the transfer film 1 can pass smoothly through the feed end, the leveling mechanism and the discharge end. Check whether the installation path of the transfer film 1 is smooth and avoid jamming or tangling.

[0048] Check that the adhesive roller 2 and the pre-cut adhesive paper roll 3 in the sweeping mechanism are installed correctly. The adhesive paper roll should be able to rotate normally and have sufficient usable length. At the same time, check that the connection of the heating element 18 inside the adhesive roller 2 is normal.

[0049] Check the adjustment mechanism to ensure that the servo motor 10, linear lead screw 11, guide rod 12, moving slide 9 and other components are firmly connected and there is no looseness or damage.

[0050] The monitoring module was inspected, and it was confirmed that the infrared photoelectric sensor 17 and tension sensor 20 were installed in the correct positions, the connection lines were normal, and they were functioning properly.

[0051] Parameter settings

[0052] Based on the material of the transfer film 1, the temperature of the heating element 18 inside the adhesive roller 2 is set so that the adhesive roller 2 reaches a working temperature suitable for cleaning the transfer film 1 of that material.

[0053] The target flatness and target tension values ​​of the transfer membrane 1 are set in the control unit 19 as a reference for subsequent closed-loop adjustment.

[0054] Turn on the power to the entire processing equipment to allow the transfer film 1 to begin moving between the feed end and the discharge end. At this time, the feed end guide roller 21 drives the transfer film 1 to be conveyed to the leveling mechanism.

[0055] The infrared photoelectric sensor 17, located between the feed end of the transfer membrane 1 and the leveling mechanism, begins to monitor the untreated membrane surface status in real time and transmits the initial data of the membrane surface flatness to the control unit 19.

[0056] Tension sensor 20, installed on bearing housing of guide roller 21 at feed end, detects the initial tension of transfer film 1 before it enters the leveling mechanism and sends the data to control unit 19.

[0057] The symmetrically arranged adhesive rollers 2 begin to rotate in opposite directions, cleaning the upper and lower surfaces of the transfer film 1. The adhesive rollers 2 capture the contaminants 4 on the surface of the transfer film 1. At the same time, the pre-cut adhesive paper rolls 3 also begin to rotate, with the upper pre-cut adhesive paper rolls 3 rotating in the opposite direction to the upper adhesive rollers 2, and the same applies to the lower ones, transferring the contaminants 4 from the adhesive rollers 2 to the adhesive paper rolls.

[0058] The heating element 18 inside the adhesive roller 2 is maintained at a set temperature to match the material of the transfer film 1, improve the cleaning effect, and reduce wrinkles on the surface of the high-gloss transfer film 1.

[0059] Tension sensor 20, installed on bearing housing A5 of adhesive roller 2, directly measures the dynamic tension during the sweeping process and feeds the data back to control unit 19.

[0060] The control unit 19 calculates the adjustment amount using a PID algorithm based on the initial tension at the feed end, the dynamic tension during the leveling process, and the preset target tension value.

[0061] Control unit 19 drives servo motor 10 to rotate, which in turn drives linear lead screw 11 to rotate. Linear lead screw 11 is connected to the leveling mechanism via a lead screw nut, thereby causing the leveling mechanism to move up and down and adjust the tension of transfer film 1 to approach the target tension value. During the movement, guide rod 12, moving slide 9, guide slider 14, and vertical guide rod 16 provide stable guidance to ensure a smooth adjustment process.

[0062] Monitoring the quality of the membrane surface after smoothing

[0063] An infrared photoelectric sensor 17 located between the leveling mechanism and the discharge end of the transfer membrane 1 detects the quality of the membrane surface after leveling and transmits the data to the control unit 19.

[0064] The tension sensor 20, installed on the bearing seat of the floating roller 22 at the discharge end, indirectly calculates the discharge tension through the displacement change of the floating roller 22 and feeds the data back to the control unit 19.

[0065] Closed-loop regulation

[0066] The control unit 19 compares the film surface flatness data at the feed end and discharge end, the tension data at the feed end, the leveling process, and the discharge end with the preset target values, and continuously adjusts the actions of the adjustment mechanism and the leveling mechanism through a PID algorithm.

[0067] If the flatness of the film surface is not up to standard or the tension deviates from the target value, the control unit 19 will further adjust parameters such as the rotation of the servo motor 10, the speed of the adhesive roller 2, or the temperature of the heating element 18 to achieve precise control of the flatness and tension of the film surface.

[0068] End Phase

[0069] When the transfer film 1 is finished or when processing needs to be paused, turn off the power to the equipment, stop the movement of the transfer film 1, the rotation of the adhesive roller 2 and the pre-cut adhesive paper roll 3, and the rotation of the servo motor 10.

[0070] Maintenance and Replacement

[0071] Check the condition of the pre-cut adhesive paper roll 3. If the adhesive paper roll has been used to a certain extent, replace it in time to ensure the cleaning effect during the next processing.

[0072] Perform routine maintenance on the equipment, such as cleaning the adhesive rollers and checking the connections and wear of each component.

[0073] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. An automatic leveling structure for transfer film processing, characterized in that, include: The sweeping mechanism consists of at least one pair of adhesive rollers (2) symmetrically arranged on the upper and lower surfaces of the transfer film (1) and a pre-cut adhesive paper roll (3). The contaminants (4) on the upper and lower surfaces of the transfer film (1) are captured by the adhesive rollers (2) and transferred to the pre-cut adhesive paper roll (3). The adhesive rollers (2) have heating elements (18) integrated inside. The adjustment mechanism includes a servo motor (10), a linear screw (11) and a guide rod (12). The linear screw (11) is connected to the sweeping mechanism through a screw nut. The servo motor (10) drives the linear screw (11) to rotate, thereby moving the sweeping mechanism up and down to adjust the tension of the transfer film (1). The monitoring module includes an infrared photoelectric sensor (17) and a tension sensor (20) to monitor the flatness and tension data of the membrane surface in real time. The infrared photoelectric sensor (17) and the tension sensor (20) are electrically connected to the control unit (19). Based on the signals from the infrared photoelectric sensor (17) and the tension sensor (20), the control unit (19) controls the action of the adjustment mechanism and the leveling mechanism through a PID algorithm to achieve closed-loop adjustment.

2. The automatic leveling structure for transfer film processing according to claim 1, characterized in that: The two sticky adhesive rollers (2) arranged symmetrically on the top and bottom have opposite rotation directions, and the two pre-cut sticky adhesive paper rolls (3) arranged symmetrically on the top and bottom have opposite rotation directions. The upper pre-cut sticky adhesive paper roll (3) has the opposite rotation direction to the upper sticky adhesive roller (2).

3. The automatic leveling structure for transfer film processing according to claim 1, characterized in that: The upper adhesive roller (2) and the upper pre-cut adhesive paper roll (3) are fixed on the upper support (6) by bearing seat A (5), and the lower adhesive roller (2) and the lower pre-cut adhesive paper roll (3) are fixed on the lower support (7) by bearing seat A (5).

4. The automatic leveling structure for transfer film processing according to claim 3, characterized in that: The adjustment mechanism also includes a convex frame (8) and a movable slide (9). The linear screw (11) and the guide rod (12) are arranged vertically on the convex frame (8). The linear screw (11) is rotatably connected to the convex frame (8) and is fixedly connected to the output shaft of the servo motor (10) fixedly installed on the top of the convex frame (8). There are two guide rods (12) and they are fixed inside the convex frame (8). The movable slide (9) is connected to the linear screw (11) through the screw nut and the movable slide (9) and the guide rod (12) cooperate to slide and guide. The upper support (6) and the lower support (7) are fixedly connected to two symmetrically arranged U-shaped frames (13) on the left and right sides respectively, and the outer side of the U-shaped frame (13) on the left is fixedly connected to the sliding table (9).

5. The automatic leveling structure for transfer film processing according to claim 4, characterized in that: The outer side of the right-side C-shaped frame (13) is fixedly connected to the guide slider (14), and the guide slider (14) cooperates with the vertical guide rod (16) on the right-side bracket (15) to guide the sliding.

6. The automatic leveling structure for transfer film processing according to claim 1, characterized in that: Two infrared photoelectric sensors (17) are provided and are respectively installed between the feed end of the transfer film (1) and the leveling mechanism, and between the leveling mechanism and the discharge end of the transfer film (1).

7. The automatic leveling structure for transfer film processing according to claim 1, characterized in that: Three tension sensors (20) are provided, which are respectively installed on the bearing seat of the guide roller (21) at the feed end, on the bearing seat A (5) of the adhesive roller (2) at the discharge end, and on the bearing seat of the floating roller (22) at the discharge end.

Images